Sync with Linus tree to have 157550ff ("mtd: add GPMI-NAND driver in the config and Makefile") as I have patch depending on that one.
Unified · Split
| @@ -0,0 +1,22 @@ | |||
| 1 | What: /sys/firmware/acpi/pm_profile | ||
| 2 | Date: 03-Nov-2011 | ||
| 3 | KernelVersion: v3.2 | ||
| 4 | Contact: linux-acpi@vger.kernel.org | ||
| 5 | Description: The ACPI pm_profile sysfs interface exports the platform | ||
| 6 | power management (and performance) requirement expectations | ||
| 7 | as provided by BIOS. The integer value is directly passed as | ||
| 8 | retrieved from the FADT ACPI table. | ||
| 9 | Values: For possible values see ACPI specification: | ||
| 10 | 5.2.9 Fixed ACPI Description Table (FADT) | ||
| 11 | Field: Preferred_PM_Profile | ||
| 12 | |||
| 13 | Currently these values are defined by spec: | ||
| 14 | 0 Unspecified | ||
| 15 | 1 Desktop | ||
| 16 | 2 Mobile | ||
| 17 | 3 Workstation | ||
| 18 | 4 Enterprise Server | ||
| 19 | 5 SOHO Server | ||
| 20 | 6 Appliance PC | ||
| 21 | 7 Performance Server | ||
| 22 | >7 Reserved | ||
| @@ -0,0 +1,19 @@ | |||
| 1 | What: /sys/kernel/debug/ideapad/cfg | ||
| 2 | Date: Sep 2011 | ||
| 3 | KernelVersion: 3.2 | ||
| 4 | Contact: Ike Panhc <ike.pan@canonical.com> | ||
| 5 | Description: | ||
| 6 | |||
| 7 | cfg shows the return value of _CFG method in VPC2004 device. It tells machine | ||
| 8 | capability and what graphic component within the machine. | ||
| 9 | |||
| 10 | |||
| 11 | What: /sys/kernel/debug/ideapad/status | ||
| 12 | Date: Sep 2011 | ||
| 13 | KernelVersion: 3.2 | ||
| 14 | Contact: Ike Panhc <ike.pan@canonical.com> | ||
| 15 | Description: | ||
| 16 | |||
| 17 | status shows infos we can read and tells its meaning and value. | ||
| 18 | |||
| 19 | |||
| @@ -206,3 +206,16 @@ Description: · 205 unmodified lines | |||
| 206 | when a discarded area is read the discard_zeroes_data | 206 | when a discarded area is read the discard_zeroes_data |
| 207 | parameter will be set to one. Otherwise it will be 0 and | 207 | parameter will be set to one. Otherwise it will be 0 and |
| 208 | the result of reading a discarded area is undefined. | 208 | the result of reading a discarded area is undefined. |
| 209 | What: /sys/block/<disk>/alias | ||
| 210 | Date: Aug 2011 | ||
| 211 | Contact: Nao Nishijima <nao.nishijima.xt@hitachi.com> | ||
| 212 | Description: | ||
| 213 | A raw device name of a disk does not always point a same disk | ||
| 214 | each boot-up time. Therefore, users have to use persistent | ||
| 215 | device names, which udev creates when the kernel finds a disk, | ||
| 216 | instead of raw device name. However, kernel doesn't show those | ||
| 217 | persistent names on its messages (e.g. dmesg). | ||
| 218 | This file can store an alias of the disk and it would be | ||
| 219 | appeared in kernel messages if it is set. A disk can have an | ||
| 220 | alias which length is up to 255bytes. Users can use alphabets, | ||
| 221 | numbers, "-" and "_" in alias name. This file is writeonce. | ||
| @@ -71,3 +71,10 @@ Description: Value of 1 indicates the controller can honor the reset_devices · 70 unmodified lines | |||
| 71 | a dump device, as kdump requires resetting the device in order | 71 | a dump device, as kdump requires resetting the device in order |
| 72 | to work reliably. | 72 | to work reliably. |
| 73 | 73 | ||
| 74 | Where: /sys/bus/pci/devices/<dev>/ccissX/transport_mode | ||
| 75 | Date: July 2011 | ||
| 76 | Kernel Version: 3.0 | ||
| 77 | Contact: iss_storagedev@hp.com | ||
| 78 | Description: Value of "simple" indicates that the controller has been placed | ||
| 79 | in "simple mode". Value of "performant" indicates that the | ||
| 80 | controller has been placed in "performant mode". | ||
| @@ -0,0 +1,46 @@ | |||
| 1 | What: /sys/bus/pci/drivers/ehci_hcd/.../companion | ||
| 2 | /sys/bus/usb/devices/usbN/../companion | ||
| 3 | Date: January 2007 | ||
| 4 | KernelVersion: 2.6.21 | ||
| 5 | Contact: Alan Stern <stern@rowland.harvard.edu> | ||
| 6 | Description: | ||
| 7 | PCI-based EHCI USB controllers (i.e., high-speed USB-2.0 | ||
| 8 | controllers) are often implemented along with a set of | ||
| 9 | "companion" full/low-speed USB-1.1 controllers. When a | ||
| 10 | high-speed device is plugged in, the connection is routed | ||
| 11 | to the EHCI controller; when a full- or low-speed device | ||
| 12 | is plugged in, the connection is routed to the companion | ||
| 13 | controller. | ||
| 14 | |||
| 15 | Sometimes you want to force a high-speed device to connect | ||
| 16 | at full speed, which can be accomplished by forcing the | ||
| 17 | connection to be routed to the companion controller. | ||
| 18 | That's what this file does. Writing a port number to the | ||
| 19 | file causes connections on that port to be routed to the | ||
| 20 | companion controller, and writing the negative of a port | ||
| 21 | number returns the port to normal operation. | ||
| 22 | |||
| 23 | For example: To force the high-speed device attached to | ||
| 24 | port 4 on bus 2 to run at full speed: | ||
| 25 | |||
| 26 | echo 4 >/sys/bus/usb/devices/usb2/../companion | ||
| 27 | |||
| 28 | To return the port to high-speed operation: | ||
| 29 | |||
| 30 | echo -4 >/sys/bus/usb/devices/usb2/../companion | ||
| 31 | |||
| 32 | Reading the file gives the list of ports currently forced | ||
| 33 | to the companion controller. | ||
| 34 | |||
| 35 | Note: Some EHCI controllers do not have companions; they | ||
| 36 | may contain an internal "transaction translator" or they | ||
| 37 | may be attached directly to a "rate-matching hub". This | ||
| 38 | mechanism will not work with such controllers. Also, it | ||
| 39 | cannot be used to force a port on a high-speed hub to | ||
| 40 | connect at full speed. | ||
| 41 | |||
| 42 | Note: When this file was first added, it appeared in a | ||
| 43 | different sysfs directory. The location given above is | ||
| 44 | correct for 2.6.35 (and probably several earlier kernel | ||
| 45 | versions as well). | ||
| 46 | |||
| @@ -142,3 +142,18 @@ Description: · 141 unmodified lines | |||
| 142 | such devices. | 142 | such devices. |
| 143 | Users: | 143 | Users: |
| 144 | usb_modeswitch | 144 | usb_modeswitch |
| 145 | |||
| 146 | What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm | ||
| 147 | Date: September 2011 | ||
| 148 | Contact: Andiry Xu <andiry.xu@amd.com> | ||
| 149 | Description: | ||
| 150 | If CONFIG_USB_SUSPEND is set and a USB 2.0 lpm-capable device | ||
| 151 | is plugged in to a xHCI host which support link PM, it will | ||
| 152 | perform a LPM test; if the test is passed and host supports | ||
| 153 | USB2 hardware LPM (xHCI 1.0 feature), USB2 hardware LPM will | ||
| 154 | be enabled for the device and the USB device directory will | ||
| 155 | contain a file named power/usb2_hardware_lpm. The file holds | ||
| 156 | a string value (enable or disable) indicating whether or not | ||
| 157 | USB2 hardware LPM is enabled for the device. Developer can | ||
| 158 | write y/Y/1 or n/N/0 to the file to enable/disable the | ||
| 159 | feature. | ||
| @@ -0,0 +1,52 @@ | |||
| 1 | What: /sys/class/devfreq/.../ | ||
| 2 | Date: September 2011 | ||
| 3 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 4 | Description: | ||
| 5 | Provide a place in sysfs for the devfreq objects. | ||
| 6 | This allows accessing various devfreq specific variables. | ||
| 7 | The name of devfreq object denoted as ... is same as the | ||
| 8 | name of device using devfreq. | ||
| 9 | |||
| 10 | What: /sys/class/devfreq/.../governor | ||
| 11 | Date: September 2011 | ||
| 12 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 13 | Description: | ||
| 14 | The /sys/class/devfreq/.../governor shows the name of the | ||
| 15 | governor used by the corresponding devfreq object. | ||
| 16 | |||
| 17 | What: /sys/class/devfreq/.../cur_freq | ||
| 18 | Date: September 2011 | ||
| 19 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 20 | Description: | ||
| 21 | The /sys/class/devfreq/.../cur_freq shows the current | ||
| 22 | frequency of the corresponding devfreq object. | ||
| 23 | |||
| 24 | What: /sys/class/devfreq/.../central_polling | ||
| 25 | Date: September 2011 | ||
| 26 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 27 | Description: | ||
| 28 | The /sys/class/devfreq/.../central_polling shows whether | ||
| 29 | the devfreq ojbect is using devfreq-provided central | ||
| 30 | polling mechanism or not. | ||
| 31 | |||
| 32 | What: /sys/class/devfreq/.../polling_interval | ||
| 33 | Date: September 2011 | ||
| 34 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 35 | Description: | ||
| 36 | The /sys/class/devfreq/.../polling_interval shows and sets | ||
| 37 | the requested polling interval of the corresponding devfreq | ||
| 38 | object. The values are represented in ms. If the value is | ||
| 39 | less than 1 jiffy, it is considered to be 0, which means | ||
| 40 | no polling. This value is meaningless if the governor is | ||
| 41 | not polling; thus. If the governor is not using | ||
| 42 | devfreq-provided central polling | ||
| 43 | (/sys/class/devfreq/.../central_polling is 0), this value | ||
| 44 | may be useless. | ||
| 45 | |||
| 46 | What: /sys/class/devfreq/.../userspace/set_freq | ||
| 47 | Date: September 2011 | ||
| 48 | Contact: MyungJoo Ham <myungjoo.ham@samsung.com> | ||
| 49 | Description: | ||
| 50 | The /sys/class/devfreq/.../userspace/set_freq shows and | ||
| 51 | sets the requested frequency for the devfreq object if | ||
| 52 | userspace governor is in effect. | ||
| @@ -22,6 +22,14 @@ Description: · 21 unmodified lines | |||
| 22 | mesh will be fragmented or silently discarded if the | 22 | mesh will be fragmented or silently discarded if the |
| 23 | packet size exceeds the outgoing interface MTU. | 23 | packet size exceeds the outgoing interface MTU. |
| 24 | 24 | ||
| 25 | What: /sys/class/net/<mesh_iface>/mesh/ap_isolation | ||
| 26 | Date: May 2011 | ||
| 27 | Contact: Antonio Quartulli <ordex@autistici.org> | ||
| 28 | Description: | ||
| 29 | Indicates whether the data traffic going from a | ||
| 30 | wireless client to another wireless client will be | ||
| 31 | silently dropped. | ||
| 32 | |||
| 25 | What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth | 33 | What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth |
| 26 | Date: October 2010 | 34 | Date: October 2010 |
| 27 | Contact: Marek Lindner <lindner_marek@yahoo.de> | 35 | Contact: Marek Lindner <lindner_marek@yahoo.de> |
| @@ -0,0 +1,72 @@ | |||
| 1 | What: /sys/class/hidraw/hidraw*/device/speed | ||
| 2 | Date: April 2010 | ||
| 3 | Kernel Version: 2.6.35 | ||
| 4 | Contact: linux-bluetooth@vger.kernel.org | ||
| 5 | Description: | ||
| 6 | The /sys/class/hidraw/hidraw*/device/speed file controls | ||
| 7 | reporting speed of Wacom bluetooth tablet. Reading from | ||
| 8 | this file returns 1 if tablet reports in high speed mode | ||
| 9 | or 0 otherwise. Writing to this file one of these values | ||
| 10 | switches reporting speed. | ||
| 11 | |||
| 12 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/led | ||
| 13 | Date: August 2011 | ||
| 14 | Contact: linux-input@vger.kernel.org | ||
| 15 | Description: | ||
| 16 | Attribute group for control of the status LEDs and the OLEDs. | ||
| 17 | This attribute group is only available for Intuos 4 M, L, | ||
| 18 | and XL (with LEDs and OLEDs) and Cintiq 21UX2 (LEDs only). | ||
| 19 | Therefore its presence implicitly signifies the presence of | ||
| 20 | said LEDs and OLEDs on the tablet device. | ||
| 21 | |||
| 22 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status0_luminance | ||
| 23 | Date: August 2011 | ||
| 24 | Contact: linux-input@vger.kernel.org | ||
| 25 | Description: | ||
| 26 | Writing to this file sets the status LED luminance (1..127) | ||
| 27 | when the stylus does not touch the tablet surface, and no | ||
| 28 | button is pressed on the stylus. This luminance level is | ||
| 29 | normally lower than the level when a button is pressed. | ||
| 30 | |||
| 31 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status1_luminance | ||
| 32 | Date: August 2011 | ||
| 33 | Contact: linux-input@vger.kernel.org | ||
| 34 | Description: | ||
| 35 | Writing to this file sets the status LED luminance (1..127) | ||
| 36 | when the stylus touches the tablet surface, or any button is | ||
| 37 | pressed on the stylus. | ||
| 38 | |||
| 39 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led0_select | ||
| 40 | Date: August 2011 | ||
| 41 | Contact: linux-input@vger.kernel.org | ||
| 42 | Description: | ||
| 43 | Writing to this file sets which one of the four (for Intuos 4) | ||
| 44 | or of the right four (for Cintiq 21UX2) status LEDs is active (0..3). | ||
| 45 | The other three LEDs on the same side are always inactive. | ||
| 46 | |||
| 47 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/status_led1_select | ||
| 48 | Date: September 2011 | ||
| 49 | Contact: linux-input@vger.kernel.org | ||
| 50 | Description: | ||
| 51 | Writing to this file sets which one of the left four (for Cintiq 21UX2) | ||
| 52 | status LEDs is active (0..3). The other three LEDs on the left are always | ||
| 53 | inactive. | ||
| 54 | |||
| 55 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/buttons_luminance | ||
| 56 | Date: August 2011 | ||
| 57 | Contact: linux-input@vger.kernel.org | ||
| 58 | Description: | ||
| 59 | Writing to this file sets the overall luminance level (0..15) | ||
| 60 | of all eight button OLED displays. | ||
| 61 | |||
| 62 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<cfg>.<intf>/wacom_led/button<n>_rawimg | ||
| 63 | Date: August 2011 | ||
| 64 | Contact: linux-input@vger.kernel.org | ||
| 65 | Description: | ||
| 66 | When writing a 1024 byte raw image in Wacom Intuos 4 | ||
| 67 | interleaving format to the file, the image shows up on Button N | ||
| 68 | of the device. The image is a 64x32 pixel 4-bit gray image. The | ||
| 69 | 1024 byte binary is split up into 16x 64 byte chunks. Each 64 | ||
| 70 | byte chunk encodes the image data for two consecutive lines on | ||
| 71 | the display. The low nibble of each byte contains the first | ||
| 72 | line, and the high nibble contains the second line. | ||
| @@ -5,19 +5,4 @@ Contact: "Ike Panhc <ike.pan@canonical.com>" · 4 unmodified lines | |||
| 5 | Description: | 5 | Description: |
| 6 | Control the power of camera module. 1 means on, 0 means off. | 6 | Control the power of camera module. 1 means on, 0 means off. |
| 7 | 7 | ||
| 8 | What: /sys/devices/platform/ideapad/cfg | ||
| 9 | Date: Jun 2011 | ||
| 10 | KernelVersion: 3.1 | ||
| 11 | Contact: "Ike Panhc <ike.pan@canonical.com>" | ||
| 12 | Description: | ||
| 13 | Ideapad capability bits. | ||
| 14 | Bit 8-10: 1 - Intel graphic only | ||
| 15 | 2 - ATI graphic only | ||
| 16 | 3 - Nvidia graphic only | ||
| 17 | 4 - Intel and ATI graphic | ||
| 18 | 5 - Intel and Nvidia graphic | ||
| 19 | Bit 16: Bluetooth exist (1 for exist) | ||
| 20 | Bit 17: 3G exist (1 for exist) | ||
| 21 | Bit 18: Wifi exist (1 for exist) | ||
| 22 | Bit 19: Camera exist (1 for exist) | ||
| 23 | 8 | ||
| @@ -1,10 +0,0 @@ | |||
| 1 | What: /sys/class/hidraw/hidraw*/device/speed | ||
| 2 | Date: April 2010 | ||
| 3 | Kernel Version: 2.6.35 | ||
| 4 | Contact: linux-bluetooth@vger.kernel.org | ||
| 5 | Description: | ||
| 6 | The /sys/class/hidraw/hidraw*/device/speed file controls | ||
| 7 | reporting speed of wacom bluetooth tablet. Reading from | ||
| 8 | this file returns 1 if tablet reports in high speed mode | ||
| 9 | or 0 otherwise. Writing to this file one of these values | ||
| 10 | switches reporting speed. | ||
| @@ -166,8 +166,8 @@ if (condition) · 165 unmodified lines | |||
| 166 | else | 166 | else |
| 167 | do_that(); | 167 | do_that(); |
| 168 | 168 | ||
| 169 | This does not apply if one branch of a conditional statement is a single | 169 | This does not apply if only one branch of a conditional statement is a single |
| 170 | statement. Use braces in both branches. | 170 | statement; in the latter case use braces in both branches: |
| 171 | 171 | ||
| 172 | if (condition) { | 172 | if (condition) { |
| 173 | do_this(); | 173 | do_this(); |
| @@ -50,6 +50,13 @@ specify the GFP_ flags (see kmalloc) for the allocation (the · 49 unmodified lines | |||
| 50 | implementation may choose to ignore flags that affect the location of | 50 | implementation may choose to ignore flags that affect the location of |
| 51 | the returned memory, like GFP_DMA). | 51 | the returned memory, like GFP_DMA). |
| 52 | 52 | ||
| 53 | void * | ||
| 54 | dma_zalloc_coherent(struct device *dev, size_t size, | ||
| 55 | dma_addr_t *dma_handle, gfp_t flag) | ||
| 56 | |||
| 57 | Wraps dma_alloc_coherent() and also zeroes the returned memory if the | ||
| 58 | allocation attempt succeeded. | ||
| 59 | |||
| 53 | void | 60 | void |
| 54 | dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, | 61 | dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, |
| 55 | dma_addr_t dma_handle) | 62 | dma_addr_t dma_handle) |
| @@ -433,8 +433,18 @@ · 432 unmodified lines | |||
| 433 | Insert notes about VLAN interfaces with hw crypto here or | 433 | Insert notes about VLAN interfaces with hw crypto here or |
| 434 | in the hw crypto chapter. | 434 | in the hw crypto chapter. |
| 435 | </para> | 435 | </para> |
| 436 | <section id="ps-client"> | ||
| 437 | <title>support for powersaving clients</title> | ||
| 438 | !Pinclude/net/mac80211.h AP support for powersaving clients | ||
| 439 | </section> | ||
| 436 | !Finclude/net/mac80211.h ieee80211_get_buffered_bc | 440 | !Finclude/net/mac80211.h ieee80211_get_buffered_bc |
| 437 | !Finclude/net/mac80211.h ieee80211_beacon_get | 441 | !Finclude/net/mac80211.h ieee80211_beacon_get |
| 442 | !Finclude/net/mac80211.h ieee80211_sta_eosp_irqsafe | ||
| 443 | !Finclude/net/mac80211.h ieee80211_frame_release_type | ||
| 444 | !Finclude/net/mac80211.h ieee80211_sta_ps_transition | ||
| 445 | !Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni | ||
| 446 | !Finclude/net/mac80211.h ieee80211_sta_set_buffered | ||
| 447 | !Finclude/net/mac80211.h ieee80211_sta_block_awake | ||
| 438 | </chapter> | 448 | </chapter> |
| 439 | 449 | ||
| 440 | <chapter id="multi-iface"> | 450 | <chapter id="multi-iface"> |
| @@ -460,7 +470,6 @@ · 19 unmodified lines | |||
| 460 | !Finclude/net/mac80211.h sta_notify_cmd | 470 | !Finclude/net/mac80211.h sta_notify_cmd |
| 461 | !Finclude/net/mac80211.h ieee80211_find_sta | 471 | !Finclude/net/mac80211.h ieee80211_find_sta |
| 462 | !Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr | 472 | !Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr |
| 463 | !Finclude/net/mac80211.h ieee80211_sta_block_awake | ||
| 464 | </chapter> | 473 | </chapter> |
| 465 | 474 | ||
| 466 | <chapter id="hardware-scan-offload"> | 475 | <chapter id="hardware-scan-offload"> |
| @@ -32,7 +32,7 @@ · 31 unmodified lines | |||
| 32 | The Linux DRM layer contains code intended to support the needs | 32 | The Linux DRM layer contains code intended to support the needs |
| 33 | of complex graphics devices, usually containing programmable | 33 | of complex graphics devices, usually containing programmable |
| 34 | pipelines well suited to 3D graphics acceleration. Graphics | 34 | pipelines well suited to 3D graphics acceleration. Graphics |
| 35 | drivers in the kernel can make use of DRM functions to make | 35 | drivers in the kernel may make use of DRM functions to make |
| 36 | tasks like memory management, interrupt handling and DMA easier, | 36 | tasks like memory management, interrupt handling and DMA easier, |
| 37 | and provide a uniform interface to applications. | 37 | and provide a uniform interface to applications. |
| 38 | </para> | 38 | </para> |
| @@ -57,10 +57,10 @@ · 18 unmodified lines | |||
| 57 | existing drivers. | 57 | existing drivers. |
| 58 | </para> | 58 | </para> |
| 59 | <para> | 59 | <para> |
| 60 | First, we'll go over some typical driver initialization | 60 | First, we go over some typical driver initialization |
| 61 | requirements, like setting up command buffers, creating an | 61 | requirements, like setting up command buffers, creating an |
| 62 | initial output configuration, and initializing core services. | 62 | initial output configuration, and initializing core services. |
| 63 | Subsequent sections will cover core internals in more detail, | 63 | Subsequent sections cover core internals in more detail, |
| 64 | providing implementation notes and examples. | 64 | providing implementation notes and examples. |
| 65 | </para> | 65 | </para> |
| 66 | <para> | 66 | <para> |
| @@ -74,7 +74,7 @@ · 7 unmodified lines | |||
| 74 | </para> | 74 | </para> |
| 75 | <para> | 75 | <para> |
| 76 | The core of every DRM driver is struct drm_driver. Drivers | 76 | The core of every DRM driver is struct drm_driver. Drivers |
| 77 | will typically statically initialize a drm_driver structure, | 77 | typically statically initialize a drm_driver structure, |
| 78 | then pass it to drm_init() at load time. | 78 | then pass it to drm_init() at load time. |
| 79 | </para> | 79 | </para> |
| 80 | 80 | ||
| @@ -88,8 +88,8 @@ · 7 unmodified lines | |||
| 88 | </para> | 88 | </para> |
| 89 | <programlisting> | 89 | <programlisting> |
| 90 | static struct drm_driver driver = { | 90 | static struct drm_driver driver = { |
| 91 | /* don't use mtrr's here, the Xserver or user space app should | 91 | /* Don't use MTRRs here; the Xserver or userspace app should |
| 92 | * deal with them for intel hardware. | 92 | * deal with them for Intel hardware. |
| 93 | */ | 93 | */ |
| 94 | .driver_features = | 94 | .driver_features = |
| 95 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | | 95 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | |
| @@ -154,8 +154,8 @@ · 58 unmodified lines | |||
| 154 | </programlisting> | 154 | </programlisting> |
| 155 | <para> | 155 | <para> |
| 156 | In the example above, taken from the i915 DRM driver, the driver | 156 | In the example above, taken from the i915 DRM driver, the driver |
| 157 | sets several flags indicating what core features it supports. | 157 | sets several flags indicating what core features it supports; |
| 158 | We'll go over the individual callbacks in later sections. Since | 158 | we go over the individual callbacks in later sections. Since |
| 159 | flags indicate which features your driver supports to the DRM | 159 | flags indicate which features your driver supports to the DRM |
| 160 | core, you need to set most of them prior to calling drm_init(). Some, | 160 | core, you need to set most of them prior to calling drm_init(). Some, |
| 161 | like DRIVER_MODESET can be set later based on user supplied parameters, | 161 | like DRIVER_MODESET can be set later based on user supplied parameters, |
| @@ -203,8 +203,8 @@ · 41 unmodified lines | |||
| 203 | <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term> | 203 | <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term> |
| 204 | <listitem> | 204 | <listitem> |
| 205 | <para> | 205 | <para> |
| 206 | DRIVER_HAVE_IRQ indicates whether the driver has a IRQ | 206 | DRIVER_HAVE_IRQ indicates whether the driver has an IRQ |
| 207 | handler, DRIVER_IRQ_SHARED indicates whether the device & | 207 | handler. DRIVER_IRQ_SHARED indicates whether the device & |
| 208 | handler support shared IRQs (note that this is required of | 208 | handler support shared IRQs (note that this is required of |
| 209 | PCI drivers). | 209 | PCI drivers). |
| 210 | </para> | 210 | </para> |
| @@ -214,8 +214,8 @@ · 3 unmodified lines | |||
| 214 | <term>DRIVER_DMA_QUEUE</term> | 214 | <term>DRIVER_DMA_QUEUE</term> |
| 215 | <listitem> | 215 | <listitem> |
| 216 | <para> | 216 | <para> |
| 217 | If the driver queues DMA requests and completes them | 217 | Should be set if the driver queues DMA requests and completes them |
| 218 | asynchronously, this flag should be set. Deprecated. | 218 | asynchronously. Deprecated. |
| 219 | </para> | 219 | </para> |
| 220 | </listitem> | 220 | </listitem> |
| 221 | </varlistentry> | 221 | </varlistentry> |
| @@ -238,7 +238,7 @@ · 16 unmodified lines | |||
| 238 | </variablelist> | 238 | </variablelist> |
| 239 | <para> | 239 | <para> |
| 240 | In this specific case, the driver requires AGP and supports | 240 | In this specific case, the driver requires AGP and supports |
| 241 | IRQs. DMA, as we'll see, is handled by device specific ioctls | 241 | IRQs. DMA, as discussed later, is handled by device-specific ioctls |
| 242 | in this case. It also supports the kernel mode setting APIs, though | 242 | in this case. It also supports the kernel mode setting APIs, though |
| 243 | unlike in the actual i915 driver source, this example unconditionally | 243 | unlike in the actual i915 driver source, this example unconditionally |
| 244 | exports KMS capability. | 244 | exports KMS capability. |
| @@ -269,36 +269,34 @@ · 24 unmodified lines | |||
| 269 | initial output configuration. | 269 | initial output configuration. |
| 270 | </para> | 270 | </para> |
| 271 | <para> | 271 | <para> |
| 272 | Note that the tasks performed at driver load time must not | 272 | If compatibility is a concern (e.g. with drivers converted over |
| 273 | conflict with DRM client requirements. For instance, if user | 273 | to the new interfaces from the old ones), care must be taken to |
| 274 | prevent device initialization and control that is incompatible with | ||
| 275 | currently active userspace drivers. For instance, if user | ||
| 274 | level mode setting drivers are in use, it would be problematic | 276 | level mode setting drivers are in use, it would be problematic |
| 275 | to perform output discovery & configuration at load time. | 277 | to perform output discovery & configuration at load time. |
| 276 | Likewise, if pre-memory management aware user level drivers are | 278 | Likewise, if user-level drivers unaware of memory management are |
| 277 | in use, memory management and command buffer setup may need to | 279 | in use, memory management and command buffer setup may need to |
| 278 | be omitted. These requirements are driver specific, and care | 280 | be omitted. These requirements are driver-specific, and care |
| 279 | needs to be taken to keep both old and new applications and | 281 | needs to be taken to keep both old and new applications and |
| 280 | libraries working. The i915 driver supports the "modeset" | 282 | libraries working. The i915 driver supports the "modeset" |
| 281 | module parameter to control whether advanced features are | 283 | module parameter to control whether advanced features are |
| 282 | enabled at load time or in legacy fashion. If compatibility is | 284 | enabled at load time or in legacy fashion. |
| 283 | a concern (e.g. with drivers converted over to the new interfaces | ||
| 284 | from the old ones), care must be taken to prevent incompatible | ||
| 285 | device initialization and control with the currently active | ||
| 286 | userspace drivers. | ||
| 287 | </para> | 285 | </para> |
| 288 | 286 | ||
| 289 | <sect2> | 287 | <sect2> |
| 290 | <title>Driver private & performance counters</title> | 288 | <title>Driver private & performance counters</title> |
| 291 | <para> | 289 | <para> |
| 292 | The driver private hangs off the main drm_device structure and | 290 | The driver private hangs off the main drm_device structure and |
| 293 | can be used for tracking various device specific bits of | 291 | can be used for tracking various device-specific bits of |
| 294 | information, like register offsets, command buffer status, | 292 | information, like register offsets, command buffer status, |
| 295 | register state for suspend/resume, etc. At load time, a | 293 | register state for suspend/resume, etc. At load time, a |
| 296 | driver can simply allocate one and set drm_device.dev_priv | 294 | driver may simply allocate one and set drm_device.dev_priv |
| 297 | appropriately; at unload the driver can free it and set | 295 | appropriately; it should be freed and drm_device.dev_priv set |
| 298 | drm_device.dev_priv to NULL. | 296 | to NULL when the driver is unloaded. |
| 299 | </para> | 297 | </para> |
| 300 | <para> | 298 | <para> |
| 301 | The DRM supports several counters which can be used for rough | 299 | The DRM supports several counters which may be used for rough |
| 302 | performance characterization. Note that the DRM stat counter | 300 | performance characterization. Note that the DRM stat counter |
| 303 | system is not often used by applications, and supporting | 301 | system is not often used by applications, and supporting |
| 304 | additional counters is completely optional. | 302 | additional counters is completely optional. |
| @@ -307,15 +305,15 @@ · 2 unmodified lines | |||
| 307 | These interfaces are deprecated and should not be used. If performance | 305 | These interfaces are deprecated and should not be used. If performance |
| 308 | monitoring is desired, the developer should investigate and | 306 | monitoring is desired, the developer should investigate and |
| 309 | potentially enhance the kernel perf and tracing infrastructure to export | 307 | potentially enhance the kernel perf and tracing infrastructure to export |
| 310 | GPU related performance information to performance monitoring | 308 | GPU related performance information for consumption by performance |
| 311 | tools and applications. | 309 | monitoring tools and applications. |
| 312 | </para> | 310 | </para> |
| 313 | </sect2> | 311 | </sect2> |
| 314 | 312 | ||
| 315 | <sect2> | 313 | <sect2> |
| 316 | <title>Configuring the device</title> | 314 | <title>Configuring the device</title> |
| 317 | <para> | 315 | <para> |
| 318 | Obviously, device configuration will be device specific. | 316 | Obviously, device configuration is device-specific. |
| 319 | However, there are several common operations: finding a | 317 | However, there are several common operations: finding a |
| 320 | device's PCI resources, mapping them, and potentially setting | 318 | device's PCI resources, mapping them, and potentially setting |
| 321 | up an IRQ handler. | 319 | up an IRQ handler. |
| @@ -323,10 +321,10 @@ · 1 unmodified line | |||
| 323 | <para> | 321 | <para> |
| 324 | Finding & mapping resources is fairly straightforward. The | 322 | Finding & mapping resources is fairly straightforward. The |
| 325 | DRM wrapper functions, drm_get_resource_start() and | 323 | DRM wrapper functions, drm_get_resource_start() and |
| 326 | drm_get_resource_len() can be used to find BARs on the given | 324 | drm_get_resource_len(), may be used to find BARs on the given |
| 327 | drm_device struct. Once those values have been retrieved, the | 325 | drm_device struct. Once those values have been retrieved, the |
| 328 | driver load function can call drm_addmap() to create a new | 326 | driver load function can call drm_addmap() to create a new |
| 329 | mapping for the BAR in question. Note you'll probably want a | 327 | mapping for the BAR in question. Note that you probably want a |
| 330 | drm_local_map_t in your driver private structure to track any | 328 | drm_local_map_t in your driver private structure to track any |
| 331 | mappings you create. | 329 | mappings you create. |
| 332 | <!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* --> | 330 | <!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* --> |
| @@ -335,20 +333,20 @@ · 2 unmodified lines | |||
| 335 | <para> | 333 | <para> |
| 336 | if compatibility with other operating systems isn't a concern | 334 | if compatibility with other operating systems isn't a concern |
| 337 | (DRM drivers can run under various BSD variants and OpenSolaris), | 335 | (DRM drivers can run under various BSD variants and OpenSolaris), |
| 338 | native Linux calls can be used for the above, e.g. pci_resource_* | 336 | native Linux calls may be used for the above, e.g. pci_resource_* |
| 339 | and iomap*/iounmap. See the Linux device driver book for more | 337 | and iomap*/iounmap. See the Linux device driver book for more |
| 340 | info. | 338 | info. |
| 341 | </para> | 339 | </para> |
| 342 | <para> | 340 | <para> |
| 343 | Once you have a register map, you can use the DRM_READn() and | 341 | Once you have a register map, you may use the DRM_READn() and |
| 344 | DRM_WRITEn() macros to access the registers on your device, or | 342 | DRM_WRITEn() macros to access the registers on your device, or |
| 345 | use driver specific versions to offset into your MMIO space | 343 | use driver-specific versions to offset into your MMIO space |
| 346 | relative to a driver specific base pointer (see I915_READ for | 344 | relative to a driver-specific base pointer (see I915_READ for |
| 347 | example). | 345 | an example). |
| 348 | </para> | 346 | </para> |
| 349 | <para> | 347 | <para> |
| 350 | If your device supports interrupt generation, you may want to | 348 | If your device supports interrupt generation, you may want to |
| 351 | setup an interrupt handler at driver load time as well. This | 349 | set up an interrupt handler when the driver is loaded. This |
| 352 | is done using the drm_irq_install() function. If your device | 350 | is done using the drm_irq_install() function. If your device |
| 353 | supports vertical blank interrupts, it should call | 351 | supports vertical blank interrupts, it should call |
| 354 | drm_vblank_init() to initialize the core vblank handling code before | 352 | drm_vblank_init() to initialize the core vblank handling code before |
| @@ -357,7 +355,7 @@ · 2 unmodified lines | |||
| 357 | </para> | 355 | </para> |
| 358 | <!--!Fdrivers/char/drm/drm_irq.c drm_irq_install--> | 356 | <!--!Fdrivers/char/drm/drm_irq.c drm_irq_install--> |
| 359 | <para> | 357 | <para> |
| 360 | Once your interrupt handler is registered (it'll use your | 358 | Once your interrupt handler is registered (it uses your |
| 361 | drm_driver.irq_handler as the actual interrupt handling | 359 | drm_driver.irq_handler as the actual interrupt handling |
| 362 | function), you can safely enable interrupts on your device, | 360 | function), you can safely enable interrupts on your device, |
| 363 | assuming any other state your interrupt handler uses is also | 361 | assuming any other state your interrupt handler uses is also |
| @@ -371,10 +369,10 @@ · 7 unmodified lines | |||
| 371 | using the pci_map_rom() call, a convenience function that | 369 | using the pci_map_rom() call, a convenience function that |
| 372 | takes care of mapping the actual ROM, whether it has been | 370 | takes care of mapping the actual ROM, whether it has been |
| 373 | shadowed into memory (typically at address 0xc0000) or exists | 371 | shadowed into memory (typically at address 0xc0000) or exists |
| 374 | on the PCI device in the ROM BAR. Note that once you've | 372 | on the PCI device in the ROM BAR. Note that after the ROM |
| 375 | mapped the ROM and extracted any necessary information, be | 373 | has been mapped and any necessary information has been extracted, |
| 376 | sure to unmap it; on many devices the ROM address decoder is | 374 | it should be unmapped; on many devices, the ROM address decoder is |
| 377 | shared with other BARs, so leaving it mapped can cause | 375 | shared with other BARs, so leaving it mapped could cause |
| 378 | undesired behavior like hangs or memory corruption. | 376 | undesired behavior like hangs or memory corruption. |
| 379 | <!--!Fdrivers/pci/rom.c pci_map_rom--> | 377 | <!--!Fdrivers/pci/rom.c pci_map_rom--> |
| 380 | </para> | 378 | </para> |
| @@ -389,9 +387,9 @@ · 8 unmodified lines | |||
| 389 | should support a memory manager. | 387 | should support a memory manager. |
| 390 | </para> | 388 | </para> |
| 391 | <para> | 389 | <para> |
| 392 | If your driver supports memory management (it should!), you'll | 390 | If your driver supports memory management (it should!), you |
| 393 | need to set that up at load time as well. How you initialize | 391 | need to set that up at load time as well. How you initialize |
| 394 | it depends on which memory manager you're using, TTM or GEM. | 392 | it depends on which memory manager you're using: TTM or GEM. |
| 395 | </para> | 393 | </para> |
| 396 | <sect3> | 394 | <sect3> |
| 397 | <title>TTM initialization</title> | 395 | <title>TTM initialization</title> |
| @@ -401,7 +399,7 @@ · 3 unmodified lines | |||
| 401 | and devices with dedicated video RAM (VRAM), i.e. most discrete | 399 | and devices with dedicated video RAM (VRAM), i.e. most discrete |
| 402 | graphics devices. If your device has dedicated RAM, supporting | 400 | graphics devices. If your device has dedicated RAM, supporting |
| 403 | TTM is desirable. TTM also integrates tightly with your | 401 | TTM is desirable. TTM also integrates tightly with your |
| 404 | driver specific buffer execution function. See the radeon | 402 | driver-specific buffer execution function. See the radeon |
| 405 | driver for examples. | 403 | driver for examples. |
| 406 | </para> | 404 | </para> |
| 407 | <para> | 405 | <para> |
| @@ -429,21 +427,21 @@ · 21 unmodified lines | |||
| 429 | created by the memory manager at runtime. Your global TTM should | 427 | created by the memory manager at runtime. Your global TTM should |
| 430 | have a type of TTM_GLOBAL_TTM_MEM. The size field for the global | 428 | have a type of TTM_GLOBAL_TTM_MEM. The size field for the global |
| 431 | object should be sizeof(struct ttm_mem_global), and the init and | 429 | object should be sizeof(struct ttm_mem_global), and the init and |
| 432 | release hooks should point at your driver specific init and | 430 | release hooks should point at your driver-specific init and |
| 433 | release routines, which will probably eventually call | 431 | release routines, which probably eventually call |
| 434 | ttm_mem_global_init and ttm_mem_global_release respectively. | 432 | ttm_mem_global_init and ttm_mem_global_release, respectively. |
| 435 | </para> | 433 | </para> |
| 436 | <para> | 434 | <para> |
| 437 | Once your global TTM accounting structure is set up and initialized | 435 | Once your global TTM accounting structure is set up and initialized |
| 438 | (done by calling ttm_global_item_ref on the global object you | 436 | by calling ttm_global_item_ref() on it, |
| 439 | just created), you'll need to create a buffer object TTM to | 437 | you need to create a buffer object TTM to |
| 440 | provide a pool for buffer object allocation by clients and the | 438 | provide a pool for buffer object allocation by clients and the |
| 441 | kernel itself. The type of this object should be TTM_GLOBAL_TTM_BO, | 439 | kernel itself. The type of this object should be TTM_GLOBAL_TTM_BO, |
| 442 | and its size should be sizeof(struct ttm_bo_global). Again, | 440 | and its size should be sizeof(struct ttm_bo_global). Again, |
| 443 | driver specific init and release functions can be provided, | 441 | driver-specific init and release functions may be provided, |
| 444 | likely eventually calling ttm_bo_global_init and | 442 | likely eventually calling ttm_bo_global_init() and |
| 445 | ttm_bo_global_release, respectively. Also like the previous | 443 | ttm_bo_global_release(), respectively. Also, like the previous |
| 446 | object, ttm_global_item_ref is used to create an initial reference | 444 | object, ttm_global_item_ref() is used to create an initial reference |
| 447 | count for the TTM, which will call your initialization function. | 445 | count for the TTM, which will call your initialization function. |
| 448 | </para> | 446 | </para> |
| 449 | </sect3> | 447 | </sect3> |
| @@ -453,27 +451,26 @@ · 3 unmodified lines | |||
| 453 | GEM is an alternative to TTM, designed specifically for UMA | 451 | GEM is an alternative to TTM, designed specifically for UMA |
| 454 | devices. It has simpler initialization and execution requirements | 452 | devices. It has simpler initialization and execution requirements |
| 455 | than TTM, but has no VRAM management capability. Core GEM | 453 | than TTM, but has no VRAM management capability. Core GEM |
| 456 | initialization is comprised of a basic drm_mm_init call to create | 454 | is initialized by calling drm_mm_init() to create |
| 457 | a GTT DRM MM object, which provides an address space pool for | 455 | a GTT DRM MM object, which provides an address space pool for |
| 458 | object allocation. In a KMS configuration, the driver will | 456 | object allocation. In a KMS configuration, the driver |
| 459 | need to allocate and initialize a command ring buffer following | 457 | needs to allocate and initialize a command ring buffer following |
| 460 | basic GEM initialization. Most UMA devices have a so-called | 458 | core GEM initialization. A UMA device usually has what is called a |
| 461 | "stolen" memory region, which provides space for the initial | 459 | "stolen" memory region, which provides space for the initial |
| 462 | framebuffer and large, contiguous memory regions required by the | 460 | framebuffer and large, contiguous memory regions required by the |
| 463 | device. This space is not typically managed by GEM, and must | 461 | device. This space is not typically managed by GEM, and it must |
| 464 | be initialized separately into its own DRM MM object. | 462 | be initialized separately into its own DRM MM object. |
| 465 | </para> | 463 | </para> |
| 466 | <para> | 464 | <para> |
| 467 | Initialization will be driver specific, and will depend on | 465 | Initialization is driver-specific. In the case of Intel |
| 468 | the architecture of the device. In the case of Intel | ||
| 469 | integrated graphics chips like 965GM, GEM initialization can | 466 | integrated graphics chips like 965GM, GEM initialization can |
| 470 | be done by calling the internal GEM init function, | 467 | be done by calling the internal GEM init function, |
| 471 | i915_gem_do_init(). Since the 965GM is a UMA device | 468 | i915_gem_do_init(). Since the 965GM is a UMA device |
| 472 | (i.e. it doesn't have dedicated VRAM), GEM will manage | 469 | (i.e. it doesn't have dedicated VRAM), GEM manages |
| 473 | making regular RAM available for GPU operations. Memory set | 470 | making regular RAM available for GPU operations. Memory set |
| 474 | aside by the BIOS (called "stolen" memory by the i915 | 471 | aside by the BIOS (called "stolen" memory by the i915 |
| 475 | driver) will be managed by the DRM memrange allocator; the | 472 | driver) is managed by the DRM memrange allocator; the |
| 476 | rest of the aperture will be managed by GEM. | 473 | rest of the aperture is managed by GEM. |
| 477 | <programlisting> | 474 | <programlisting> |
| 478 | /* Basic memrange allocator for stolen space (aka vram) */ | 475 | /* Basic memrange allocator for stolen space (aka vram) */ |
| 479 | drm_memrange_init(&dev_priv->vram, 0, prealloc_size); | 476 | drm_memrange_init(&dev_priv->vram, 0, prealloc_size); |
| @@ -483,7 +480,7 @@ · 3 unmodified lines | |||
| 483 | <!--!Edrivers/char/drm/drm_memrange.c--> | 480 | <!--!Edrivers/char/drm/drm_memrange.c--> |
| 484 | </para> | 481 | </para> |
| 485 | <para> | 482 | <para> |
| 486 | Once the memory manager has been set up, we can allocate the | 483 | Once the memory manager has been set up, we may allocate the |
| 487 | command buffer. In the i915 case, this is also done with a | 484 | command buffer. In the i915 case, this is also done with a |
| 488 | GEM function, i915_gem_init_ringbuffer(). | 485 | GEM function, i915_gem_init_ringbuffer(). |
| 489 | </para> | 486 | </para> |
| @@ -493,16 +490,25 @@ · 3 unmodified lines | |||
| 493 | <sect2> | 490 | <sect2> |
| 494 | <title>Output configuration</title> | 491 | <title>Output configuration</title> |
| 495 | <para> | 492 | <para> |
| 496 | The final initialization task is output configuration. This involves | 493 | The final initialization task is output configuration. This involves: |
| 497 | finding and initializing the CRTCs, encoders and connectors | 494 | <itemizedlist> |
| 498 | for your device, creating an initial configuration and | 495 | <listitem> |
| 499 | registering a framebuffer console driver. | 496 | Finding and initializing the CRTCs, encoders, and connectors |
| 497 | for the device. | ||
| 498 | </listitem> | ||
| 499 | <listitem> | ||
| 500 | Creating an initial configuration. | ||
| 501 | </listitem> | ||
| 502 | <listitem> | ||
| 503 | Registering a framebuffer console driver. | ||
| 504 | </listitem> | ||
| 505 | </itemizedlist> | ||
| 500 | </para> | 506 | </para> |
| 501 | <sect3> | 507 | <sect3> |
| 502 | <title>Output discovery and initialization</title> | 508 | <title>Output discovery and initialization</title> |
| 503 | <para> | 509 | <para> |
| 504 | Several core functions exist to create CRTCs, encoders and | 510 | Several core functions exist to create CRTCs, encoders, and |
| 505 | connectors, namely drm_crtc_init(), drm_connector_init() and | 511 | connectors, namely: drm_crtc_init(), drm_connector_init(), and |
| 506 | drm_encoder_init(), along with several "helper" functions to | 512 | drm_encoder_init(), along with several "helper" functions to |
| 507 | perform common tasks. | 513 | perform common tasks. |
| 508 | </para> | 514 | </para> |
| @@ -555,10 +561,10 @@ void intel_crt_init(struct drm_device *dev) · 46 unmodified lines | |||
| 555 | </programlisting> | 561 | </programlisting> |
| 556 | <para> | 562 | <para> |
| 557 | In the example above (again, taken from the i915 driver), a | 563 | In the example above (again, taken from the i915 driver), a |
| 558 | CRT connector and encoder combination is created. A device | 564 | CRT connector and encoder combination is created. A device-specific |
| 559 | specific i2c bus is also created, for fetching EDID data and | 565 | i2c bus is also created for fetching EDID data and |
| 560 | performing monitor detection. Once the process is complete, | 566 | performing monitor detection. Once the process is complete, |
| 561 | the new connector is registered with sysfs, to make its | 567 | the new connector is registered with sysfs to make its |
| 562 | properties available to applications. | 568 | properties available to applications. |
| 563 | </para> | 569 | </para> |
| 564 | <sect4> | 570 | <sect4> |
| @@ -567,12 +573,12 @@ void intel_crt_init(struct drm_device *dev) · 2 unmodified lines | |||
| 567 | Since many PC-class graphics devices have similar display output | 573 | Since many PC-class graphics devices have similar display output |
| 568 | designs, the DRM provides a set of helper functions to make | 574 | designs, the DRM provides a set of helper functions to make |
| 569 | output management easier. The core helper routines handle | 575 | output management easier. The core helper routines handle |
| 570 | encoder re-routing and disabling of unused functions following | 576 | encoder re-routing and the disabling of unused functions following |
| 571 | mode set. Using the helpers is optional, but recommended for | 577 | mode setting. Using the helpers is optional, but recommended for |
| 572 | devices with PC-style architectures (i.e. a set of display planes | 578 | devices with PC-style architectures (i.e. a set of display planes |
| 573 | for feeding pixels to encoders which are in turn routed to | 579 | for feeding pixels to encoders which are in turn routed to |
| 574 | connectors). Devices with more complex requirements needing | 580 | connectors). Devices with more complex requirements needing |
| 575 | finer grained management can opt to use the core callbacks | 581 | finer grained management may opt to use the core callbacks |
| 576 | directly. | 582 | directly. |
| 577 | </para> | 583 | </para> |
| 578 | <para> | 584 | <para> |
| @@ -580,17 +586,25 @@ void intel_crt_init(struct drm_device *dev) · 1 unmodified line | |||
| 580 | </para> | 586 | </para> |
| 581 | </sect4> | 587 | </sect4> |
| 582 | <para> | 588 | <para> |
| 583 | For each encoder, CRTC and connector, several functions must | 589 | Each encoder object needs to provide: |
| 584 | be provided, depending on the object type. Encoder objects | 590 | <itemizedlist> |
| 585 | need to provide a DPMS (basically on/off) function, mode fixup | 591 | <listitem> |
| 586 | (for converting requested modes into native hardware timings), | 592 | A DPMS (basically on/off) function. |
| 587 | and prepare, set and commit functions for use by the core DRM | 593 | </listitem> |
| 588 | helper functions. Connector helpers need to provide mode fetch and | 594 | <listitem> |
| 589 | validity functions as well as an encoder matching function for | 595 | A mode-fixup function (for converting requested modes into |
| 590 | returning an ideal encoder for a given connector. The core | 596 | native hardware timings). |
| 591 | connector functions include a DPMS callback, (deprecated) | 597 | </listitem> |
| 592 | save/restore routines, detection, mode probing, property handling, | 598 | <listitem> |
| 593 | and cleanup functions. | 599 | Functions (prepare, set, and commit) for use by the core DRM |
| 600 | helper functions. | ||
| 601 | </listitem> | ||
| 602 | </itemizedlist> | ||
| 603 | Connector helpers need to provide functions (mode-fetch, validity, | ||
| 604 | and encoder-matching) for returning an ideal encoder for a given | ||
| 605 | connector. The core connector functions include a DPMS callback, | ||
| 606 | save/restore routines (deprecated), detection, mode probing, | ||
| 607 | property handling, and cleanup functions. | ||
| 594 | </para> | 608 | </para> |
| 595 | <!--!Edrivers/char/drm/drm_crtc.h--> | 609 | <!--!Edrivers/char/drm/drm_crtc.h--> |
| 596 | <!--!Edrivers/char/drm/drm_crtc.c--> | 610 | <!--!Edrivers/char/drm/drm_crtc.c--> |
| @@ -605,22 +619,33 @@ void intel_crt_init(struct drm_device *dev) · 8 unmodified lines | |||
| 605 | <title>VBlank event handling</title> | 619 | <title>VBlank event handling</title> |
| 606 | <para> | 620 | <para> |
| 607 | The DRM core exposes two vertical blank related ioctls: | 621 | The DRM core exposes two vertical blank related ioctls: |
| 608 | DRM_IOCTL_WAIT_VBLANK and DRM_IOCTL_MODESET_CTL. | 622 | <variablelist> |
| 623 | <varlistentry> | ||
| 624 | <term>DRM_IOCTL_WAIT_VBLANK</term> | ||
| 625 | <listitem> | ||
| 626 | <para> | ||
| 627 | This takes a struct drm_wait_vblank structure as its argument, | ||
| 628 | and it is used to block or request a signal when a specified | ||
| 629 | vblank event occurs. | ||
| 630 | </para> | ||
| 631 | </listitem> | ||
| 632 | </varlistentry> | ||
| 633 | <varlistentry> | ||
| 634 | <term>DRM_IOCTL_MODESET_CTL</term> | ||
| 635 | <listitem> | ||
| 636 | <para> | ||
| 637 | This should be called by application level drivers before and | ||
| 638 | after mode setting, since on many devices the vertical blank | ||
| 639 | counter is reset at that time. Internally, the DRM snapshots | ||
| 640 | the last vblank count when the ioctl is called with the | ||
| 641 | _DRM_PRE_MODESET command, so that the counter won't go backwards | ||
| 642 | (which is dealt with when _DRM_POST_MODESET is used). | ||
| 643 | </para> | ||
| 644 | </listitem> | ||
| 645 | </varlistentry> | ||
| 646 | </variablelist> | ||
| 609 | <!--!Edrivers/char/drm/drm_irq.c--> | 647 | <!--!Edrivers/char/drm/drm_irq.c--> |
| 610 | </para> | 648 | </para> |
| 611 | <para> | ||
| 612 | DRM_IOCTL_WAIT_VBLANK takes a struct drm_wait_vblank structure | ||
| 613 | as its argument, and is used to block or request a signal when a | ||
| 614 | specified vblank event occurs. | ||
| 615 | </para> | ||
| 616 | <para> | ||
| 617 | DRM_IOCTL_MODESET_CTL should be called by application level | ||
| 618 | drivers before and after mode setting, since on many devices the | ||
| 619 | vertical blank counter will be reset at that time. Internally, | ||
| 620 | the DRM snapshots the last vblank count when the ioctl is called | ||
| 621 | with the _DRM_PRE_MODESET command so that the counter won't go | ||
| 622 | backwards (which is dealt with when _DRM_POST_MODESET is used). | ||
| 623 | </para> | ||
| 624 | <para> | 649 | <para> |
| 625 | To support the functions above, the DRM core provides several | 650 | To support the functions above, the DRM core provides several |
| 626 | helper functions for tracking vertical blank counters, and | 651 | helper functions for tracking vertical blank counters, and |
| @@ -632,24 +657,24 @@ void intel_crt_init(struct drm_device *dev) · 5 unmodified lines | |||
| 632 | register. The enable and disable vblank callbacks should enable | 657 | register. The enable and disable vblank callbacks should enable |
| 633 | and disable vertical blank interrupts, respectively. In the | 658 | and disable vertical blank interrupts, respectively. In the |
| 634 | absence of DRM clients waiting on vblank events, the core DRM | 659 | absence of DRM clients waiting on vblank events, the core DRM |
| 635 | code will use the disable_vblank() function to disable | 660 | code uses the disable_vblank() function to disable |
| 636 | interrupts, which saves power. They'll be re-enabled again when | 661 | interrupts, which saves power. They are re-enabled again when |
| 637 | a client calls the vblank wait ioctl above. | 662 | a client calls the vblank wait ioctl above. |
| 638 | </para> | 663 | </para> |
| 639 | <para> | 664 | <para> |
| 640 | Devices that don't provide a count register can simply use an | 665 | A device that doesn't provide a count register may simply use an |
| 641 | internal atomic counter incremented on every vertical blank | 666 | internal atomic counter incremented on every vertical blank |
| 642 | interrupt, and can make their enable and disable vblank | 667 | interrupt (and then treat the enable_vblank() and disable_vblank() |
| 643 | functions into no-ops. | 668 | callbacks as no-ops). |
| 644 | </para> | 669 | </para> |
| 645 | </sect1> | 670 | </sect1> |
| 646 | 671 | ||
| 647 | <sect1> | 672 | <sect1> |
| 648 | <title>Memory management</title> | 673 | <title>Memory management</title> |
| 649 | <para> | 674 | <para> |
| 650 | The memory manager lies at the heart of many DRM operations, and | 675 | The memory manager lies at the heart of many DRM operations; it |
| 651 | is also required to support advanced client features like OpenGL | 676 | is required to support advanced client features like OpenGL |
| 652 | pbuffers. The DRM currently contains two memory managers, TTM | 677 | pbuffers. The DRM currently contains two memory managers: TTM |
| 653 | and GEM. | 678 | and GEM. |
| 654 | </para> | 679 | </para> |
| 655 | 680 | ||
| @@ -679,41 +704,46 @@ void intel_crt_init(struct drm_device *dev) · 23 unmodified lines | |||
| 679 | <para> | 704 | <para> |
| 680 | GEM-enabled drivers must provide gem_init_object() and | 705 | GEM-enabled drivers must provide gem_init_object() and |
| 681 | gem_free_object() callbacks to support the core memory | 706 | gem_free_object() callbacks to support the core memory |
| 682 | allocation routines. They should also provide several driver | 707 | allocation routines. They should also provide several driver-specific |
| 683 | specific ioctls to support command execution, pinning, buffer | 708 | ioctls to support command execution, pinning, buffer |
| 684 | read & write, mapping, and domain ownership transfers. | 709 | read & write, mapping, and domain ownership transfers. |
| 685 | </para> | 710 | </para> |
| 686 | <para> | 711 | <para> |
| 687 | On a fundamental level, GEM involves several operations: memory | 712 | On a fundamental level, GEM involves several operations: |
| 688 | allocation and freeing, command execution, and aperture management | 713 | <itemizedlist> |
| 689 | at command execution time. Buffer object allocation is relatively | 714 | <listitem>Memory allocation and freeing</listitem> |
| 715 | <listitem>Command execution</listitem> | ||
| 716 | <listitem>Aperture management at command execution time</listitem> | ||
| 717 | </itemizedlist> | ||
| 718 | Buffer object allocation is relatively | ||
| 690 | straightforward and largely provided by Linux's shmem layer, which | 719 | straightforward and largely provided by Linux's shmem layer, which |
| 691 | provides memory to back each object. When mapped into the GTT | 720 | provides memory to back each object. When mapped into the GTT |
| 692 | or used in a command buffer, the backing pages for an object are | 721 | or used in a command buffer, the backing pages for an object are |
| 693 | flushed to memory and marked write combined so as to be coherent | 722 | flushed to memory and marked write combined so as to be coherent |
| 694 | with the GPU. Likewise, when the GPU finishes rendering to an object, | 723 | with the GPU. Likewise, if the CPU accesses an object after the GPU |
| 695 | if the CPU accesses it, it must be made coherent with the CPU's view | 724 | has finished rendering to the object, then the object must be made |
| 725 | coherent with the CPU's view | ||
| 696 | of memory, usually involving GPU cache flushing of various kinds. | 726 | of memory, usually involving GPU cache flushing of various kinds. |
| 697 | This core CPU<->GPU coherency management is provided by the GEM | 727 | This core CPU<->GPU coherency management is provided by a |
| 698 | set domain function, which evaluates an object's current domain and | 728 | device-specific ioctl, which evaluates an object's current domain and |
| 699 | performs any necessary flushing or synchronization to put the object | 729 | performs any necessary flushing or synchronization to put the object |
| 700 | into the desired coherency domain (note that the object may be busy, | 730 | into the desired coherency domain (note that the object may be busy, |
| 701 | i.e. an active render target; in that case the set domain function | 731 | i.e. an active render target; in that case, setting the domain |
| 702 | will block the client and wait for rendering to complete before | 732 | blocks the client and waits for rendering to complete before |
| 703 | performing any necessary flushing operations). | 733 | performing any necessary flushing operations). |
| 704 | </para> | 734 | </para> |
| 705 | <para> | 735 | <para> |
| 706 | Perhaps the most important GEM function is providing a command | 736 | Perhaps the most important GEM function is providing a command |
| 707 | execution interface to clients. Client programs construct command | 737 | execution interface to clients. Client programs construct command |
| 708 | buffers containing references to previously allocated memory objects | 738 | buffers containing references to previously allocated memory objects, |
| 709 | and submit them to GEM. At that point, GEM will take care to bind | 739 | and then submit them to GEM. At that point, GEM takes care to bind |
| 710 | all the objects into the GTT, execute the buffer, and provide | 740 | all the objects into the GTT, execute the buffer, and provide |
| 711 | necessary synchronization between clients accessing the same buffers. | 741 | necessary synchronization between clients accessing the same buffers. |
| 712 | This often involves evicting some objects from the GTT and re-binding | 742 | This often involves evicting some objects from the GTT and re-binding |
| 713 | others (a fairly expensive operation), and providing relocation | 743 | others (a fairly expensive operation), and providing relocation |
| 714 | support which hides fixed GTT offsets from clients. Clients must | 744 | support which hides fixed GTT offsets from clients. Clients must |
| 715 | take care not to submit command buffers that reference more objects | 745 | take care not to submit command buffers that reference more objects |
| 716 | than can fit in the GTT or GEM will reject them and no rendering | 746 | than can fit in the GTT; otherwise, GEM will reject them and no rendering |
| 717 | will occur. Similarly, if several objects in the buffer require | 747 | will occur. Similarly, if several objects in the buffer require |
| 718 | fence registers to be allocated for correct rendering (e.g. 2D blits | 748 | fence registers to be allocated for correct rendering (e.g. 2D blits |
| 719 | on pre-965 chips), care must be taken not to require more fence | 749 | on pre-965 chips), care must be taken not to require more fence |
| @@ -729,7 +759,7 @@ void intel_crt_init(struct drm_device *dev) · 9 unmodified lines | |||
| 729 | <title>Output management</title> | 759 | <title>Output management</title> |
| 730 | <para> | 760 | <para> |
| 731 | At the core of the DRM output management code is a set of | 761 | At the core of the DRM output management code is a set of |
| 732 | structures representing CRTCs, encoders and connectors. | 762 | structures representing CRTCs, encoders, and connectors. |
| 733 | </para> | 763 | </para> |
| 734 | <para> | 764 | <para> |
| 735 | A CRTC is an abstraction representing a part of the chip that | 765 | A CRTC is an abstraction representing a part of the chip that |
| @@ -765,21 +795,19 @@ void intel_crt_init(struct drm_device *dev) · 29 unmodified lines | |||
| 765 | <sect1> | 795 | <sect1> |
| 766 | <title>Framebuffer management</title> | 796 | <title>Framebuffer management</title> |
| 767 | <para> | 797 | <para> |
| 768 | In order to set a mode on a given CRTC, encoder and connector | 798 | Clients need to provide a framebuffer object which provides a source |
| 769 | configuration, clients need to provide a framebuffer object which | 799 | of pixels for a CRTC to deliver to the encoder(s) and ultimately the |
| 770 | will provide a source of pixels for the CRTC to deliver to the encoder(s) | 800 | connector(s). A framebuffer is fundamentally a driver-specific memory |
| 771 | and ultimately the connector(s) in the configuration. A framebuffer | 801 | object, made into an opaque handle by the DRM's addfb() function. |
| 772 | is fundamentally a driver specific memory object, made into an opaque | 802 | Once a framebuffer has been created this way, it may be passed to the |
| 773 | handle by the DRM addfb function. Once an fb has been created this | 803 | KMS mode setting routines for use in a completed configuration. |
| 774 | way it can be passed to the KMS mode setting routines for use in | ||
| 775 | a configuration. | ||
| 776 | </para> | 804 | </para> |
| 777 | </sect1> | 805 | </sect1> |
| 778 | 806 | ||
| 779 | <sect1> | 807 | <sect1> |
| 780 | <title>Command submission & fencing</title> | 808 | <title>Command submission & fencing</title> |
| 781 | <para> | 809 | <para> |
| 782 | This should cover a few device specific command submission | 810 | This should cover a few device-specific command submission |
| 783 | implementations. | 811 | implementations. |
| 784 | </para> | 812 | </para> |
| 785 | </sect1> | 813 | </sect1> |
| @@ -789,7 +817,7 @@ void intel_crt_init(struct drm_device *dev) · 3 unmodified lines | |||
| 789 | <para> | 817 | <para> |
| 790 | The DRM core provides some suspend/resume code, but drivers | 818 | The DRM core provides some suspend/resume code, but drivers |
| 791 | wanting full suspend/resume support should provide save() and | 819 | wanting full suspend/resume support should provide save() and |
| 792 | restore() functions. These will be called at suspend, | 820 | restore() functions. These are called at suspend, |
| 793 | hibernate, or resume time, and should perform any state save or | 821 | hibernate, or resume time, and should perform any state save or |
| 794 | restore required by your device across suspend or hibernate | 822 | restore required by your device across suspend or hibernate |
| 795 | states. | 823 | states. |
| @@ -812,8 +840,8 @@ void intel_crt_init(struct drm_device *dev) · 16 unmodified lines | |||
| 812 | <para> | 840 | <para> |
| 813 | The DRM core exports several interfaces to applications, | 841 | The DRM core exports several interfaces to applications, |
| 814 | generally intended to be used through corresponding libdrm | 842 | generally intended to be used through corresponding libdrm |
| 815 | wrapper functions. In addition, drivers export device specific | 843 | wrapper functions. In addition, drivers export device-specific |
| 816 | interfaces for use by userspace drivers & device aware | 844 | interfaces for use by userspace drivers & device-aware |
| 817 | applications through ioctls and sysfs files. | 845 | applications through ioctls and sysfs files. |
| 818 | </para> | 846 | </para> |
| 819 | <para> | 847 | <para> |
| @@ -822,8 +850,8 @@ void intel_crt_init(struct drm_device *dev) · 2 unmodified lines | |||
| 822 | management, memory management, and output management. | 850 | management, memory management, and output management. |
| 823 | </para> | 851 | </para> |
| 824 | <para> | 852 | <para> |
| 825 | Cover generic ioctls and sysfs layout here. Only need high | 853 | Cover generic ioctls and sysfs layout here. We only need high-level |
| 826 | level info, since man pages will cover the rest. | 854 | info, since man pages should cover the rest. |
| 827 | </para> | 855 | </para> |
| 828 | </chapter> | 856 | </chapter> |
| 829 | 857 | ||
| @@ -352,6 +352,7 @@ typedef enum fe_delivery_system { · 351 unmodified lines | |||
| 352 | SYS_CMMB, | 352 | SYS_CMMB, |
| 353 | SYS_DAB, | 353 | SYS_DAB, |
| 354 | SYS_DVBT2, | 354 | SYS_DVBT2, |
| 355 | SYS_TURBO, | ||
| 355 | } fe_delivery_system_t; | 356 | } fe_delivery_system_t; |
| 356 | </programlisting> | 357 | </programlisting> |
| 357 | </section> | 358 | </section> |
| @@ -809,6 +810,8 @@ typedef enum fe_hierarchy { · 451 unmodified lines | |||
| 809 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> | 810 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| 810 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> | 811 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| 811 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> | 812 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| 813 | <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> | ||
| 814 | <listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem> | ||
| 812 | </itemizedlist> | 815 | </itemizedlist> |
| 813 | <para>Future implementations might add those two missing parameters:</para> | 816 | <para>Future implementations might add those two missing parameters:</para> |
| 814 | <itemizedlist mark='opencircle'> | 817 | <itemizedlist mark='opencircle'> |
| @@ -818,25 +821,18 @@ typedef enum fe_hierarchy { · 3 unmodified lines | |||
| 818 | </section> | 821 | </section> |
| 819 | <section id="dvbs2-params"> | 822 | <section id="dvbs2-params"> |
| 820 | <title>DVB-S2 delivery system</title> | 823 | <title>DVB-S2 delivery system</title> |
| 821 | <para>The following parameters are valid for DVB-S2:</para> | 824 | <para>In addition to all parameters valid for DVB-S, DVB-S2 supports the following parameters:</para> |
| 822 | <itemizedlist mark='opencircle'> | 825 | <itemizedlist mark='opencircle'> |
| 823 | <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> | 826 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| 824 | <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> | ||
| 825 | <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> | ||
| 826 | <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> | ||
| 827 | <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> | ||
| 828 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> | ||
| 829 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> | ||
| 830 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> | ||
| 831 | <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> | ||
| 832 | <listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem> | ||
| 833 | <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> | 827 | <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> |
| 834 | <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> | 828 | <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> |
| 835 | </itemizedlist> | 829 | </itemizedlist> |
| 836 | <para>Future implementations might add those two missing parameters:</para> | 830 | </section> |
| 831 | <section id="turbo-params"> | ||
| 832 | <title>Turbo code delivery system</title> | ||
| 833 | <para>In addition to all parameters valid for DVB-S, turbo code supports the following parameters:</para> | ||
| 837 | <itemizedlist mark='opencircle'> | 834 | <itemizedlist mark='opencircle'> |
| 838 | <listitem><para><link linkend="DTV-DISEQC-MASTER"><constant>DTV_DISEQC_MASTER</constant></link></para></listitem> | 835 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| 839 | <listitem><para><link linkend="DTV-DISEQC-SLAVE-REPLY"><constant>DTV_DISEQC_SLAVE_REPLY</constant></link></para></listitem> | ||
| 840 | </itemizedlist> | 836 | </itemizedlist> |
| 841 | </section> | 837 | </section> |
| 842 | <section id="isdbs-params"> | 838 | <section id="isdbs-params"> |
| @@ -205,7 +205,7 @@ a partial path like:</para> · 204 unmodified lines | |||
| 205 | additional include file <emphasis | 205 | additional include file <emphasis |
| 206 | role="tt">linux/dvb/version.h</emphasis> exists, which defines the | 206 | role="tt">linux/dvb/version.h</emphasis> exists, which defines the |
| 207 | constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document | 207 | constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document |
| 208 | describes <emphasis role="tt">DVB_API_VERSION 3</emphasis>. | 208 | describes <emphasis role="tt">DVB_API_VERSION 5.4</emphasis>. |
| 209 | </para> | 209 | </para> |
| 210 | 210 | ||
| 211 | </section> | 211 | </section> |
| @@ -2370,6 +2370,14 @@ that used it. It was originally scheduled for removal in 2.6.35. · 2369 unmodified lines | |||
| 2370 | </listitem> | 2370 | </listitem> |
| 2371 | </orderedlist> | 2371 | </orderedlist> |
| 2372 | </section> | 2372 | </section> |
| 2373 | <section> | ||
| 2374 | <title>V4L2 in Linux 3.2</title> | ||
| 2375 | <orderedlist> | ||
| 2376 | <listitem> | ||
| 2377 | <para>V4L2_CTRL_FLAG_VOLATILE was added to signal volatile controls to userspace.</para> | ||
| 2378 | </listitem> | ||
| 2379 | </orderedlist> | ||
| 2380 | </section> | ||
| 2373 | 2381 | ||
| 2374 | <section id="other"> | 2382 | <section id="other"> |
| 2375 | <title>Relation of V4L2 to other Linux multimedia APIs</title> | 2383 | <title>Relation of V4L2 to other Linux multimedia APIs</title> |
| @@ -2478,6 +2486,9 @@ ioctls.</para> · 102 unmodified lines | |||
| 2478 | <listitem> | 2486 | <listitem> |
| 2479 | <para>Flash API. <xref linkend="flash-controls" /></para> | 2487 | <para>Flash API. <xref linkend="flash-controls" /></para> |
| 2480 | </listitem> | 2488 | </listitem> |
| 2489 | <listitem> | ||
| 2490 | <para>&VIDIOC-CREATE-BUFS; and &VIDIOC-PREPARE-BUF; ioctls.</para> | ||
| 2491 | </listitem> | ||
| 2481 | </itemizedlist> | 2492 | </itemizedlist> |
| 2482 | </section> | 2493 | </section> |
| 2483 | 2494 | ||
| @@ -232,8 +232,9 @@ control is deprecated. New drivers and applications should use the · 231 unmodified lines | |||
| 232 | <entry>Enables a power line frequency filter to avoid | 232 | <entry>Enables a power line frequency filter to avoid |
| 233 | flicker. Possible values for <constant>enum v4l2_power_line_frequency</constant> are: | 233 | flicker. Possible values for <constant>enum v4l2_power_line_frequency</constant> are: |
| 234 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_DISABLED</constant> (0), | 234 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_DISABLED</constant> (0), |
| 235 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_50HZ</constant> (1) and | 235 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_50HZ</constant> (1), |
| 236 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_60HZ</constant> (2).</entry> | 236 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_60HZ</constant> (2) and |
| 237 | <constant>V4L2_CID_POWER_LINE_FREQUENCY_AUTO</constant> (3).</entry> | ||
| 237 | </row> | 238 | </row> |
| 238 | <row> | 239 | <row> |
| 239 | <entry><constant>V4L2_CID_HUE_AUTO</constant></entry> | 240 | <entry><constant>V4L2_CID_HUE_AUTO</constant></entry> |
| @@ -266,7 +266,7 @@ · 265 unmodified lines | |||
| 266 | 266 | ||
| 267 | <para>When satisfied with the try results, applications can set the active | 267 | <para>When satisfied with the try results, applications can set the active |
| 268 | formats by setting the <structfield>which</structfield> argument to | 268 | formats by setting the <structfield>which</structfield> argument to |
| 269 | <constant>V4L2_SUBDEV_FORMAT_TRY</constant>. Active formats are changed | 269 | <constant>V4L2_SUBDEV_FORMAT_ACTIVE</constant>. Active formats are changed |
| 270 | exactly as try formats by drivers. To avoid modifying the hardware state | 270 | exactly as try formats by drivers. To avoid modifying the hardware state |
| 271 | during format negotiation, applications should negotiate try formats first | 271 | during format negotiation, applications should negotiate try formats first |
| 272 | and then modify the active settings using the try formats returned during | 272 | and then modify the active settings using the try formats returned during |
| @@ -927,6 +927,33 @@ ioctl is called.</entry> · 926 unmodified lines | |||
| 927 | Applications set or clear this flag before calling the | 927 | Applications set or clear this flag before calling the |
| 928 | <constant>VIDIOC_QBUF</constant> ioctl.</entry> | 928 | <constant>VIDIOC_QBUF</constant> ioctl.</entry> |
| 929 | </row> | 929 | </row> |
| 930 | <row> | ||
| 931 | <entry><constant>V4L2_BUF_FLAG_PREPARED</constant></entry> | ||
| 932 | <entry>0x0400</entry> | ||
| 933 | <entry>The buffer has been prepared for I/O and can be queued by the | ||
| 934 | application. Drivers set or clear this flag when the | ||
| 935 | <link linkend="vidioc-querybuf">VIDIOC_QUERYBUF</link>, <link | ||
| 936 | linkend="vidioc-qbuf">VIDIOC_PREPARE_BUF</link>, <link | ||
| 937 | linkend="vidioc-qbuf">VIDIOC_QBUF</link> or <link | ||
| 938 | linkend="vidioc-qbuf">VIDIOC_DQBUF</link> ioctl is called.</entry> | ||
| 939 | </row> | ||
| 940 | <row> | ||
| 941 | <entry><constant>V4L2_BUF_FLAG_NO_CACHE_INVALIDATE</constant></entry> | ||
| 942 | <entry>0x0400</entry> | ||
| 943 | <entry>Caches do not have to be invalidated for this buffer. | ||
| 944 | Typically applications shall use this flag if the data captured in the buffer | ||
| 945 | is not going to be touched by the CPU, instead the buffer will, probably, be | ||
| 946 | passed on to a DMA-capable hardware unit for further processing or output. | ||
| 947 | </entry> | ||
| 948 | </row> | ||
| 949 | <row> | ||
| 950 | <entry><constant>V4L2_BUF_FLAG_NO_CACHE_CLEAN</constant></entry> | ||
| 951 | <entry>0x0800</entry> | ||
| 952 | <entry>Caches do not have to be cleaned for this buffer. | ||
| 953 | Typically applications shall use this flag for output buffers if the data | ||
| 954 | in this buffer has not been created by the CPU but by some DMA-capable unit, | ||
| 955 | in which case caches have not been used.</entry> | ||
| 956 | </row> | ||
| 930 | </tbody> | 957 | </tbody> |
| 931 | </tgroup> | 958 | </tgroup> |
| 932 | </table> | 959 | </table> |
| @@ -127,6 +127,13 @@ structs, ioctls) must be noted in more detail in the history chapter · 126 unmodified lines | |||
| 127 | (compat.xml), along with the possible impact on existing drivers and | 127 | (compat.xml), along with the possible impact on existing drivers and |
| 128 | applications. --> | 128 | applications. --> |
| 129 | 129 | ||
| 130 | <revision> | ||
| 131 | <revnumber>3.2</revnumber> | ||
| 132 | <date>2011-08-26</date> | ||
| 133 | <authorinitials>hv</authorinitials> | ||
| 134 | <revremark>Added V4L2_CTRL_FLAG_VOLATILE.</revremark> | ||
| 135 | </revision> | ||
| 136 | |||
| 130 | <revision> | 137 | <revision> |
| 131 | <revnumber>3.1</revnumber> | 138 | <revnumber>3.1</revnumber> |
| 132 | <date>2011-06-27</date> | 139 | <date>2011-06-27</date> |
| @@ -410,7 +417,7 @@ and discussions on the V4L mailing list.</revremark> · 277 unmodified lines | |||
| 410 | </partinfo> | 417 | </partinfo> |
| 411 | 418 | ||
| 412 | <title>Video for Linux Two API Specification</title> | 419 | <title>Video for Linux Two API Specification</title> |
| 413 | <subtitle>Revision 3.1</subtitle> | 420 | <subtitle>Revision 3.2</subtitle> |
| 414 | 421 | ||
| 415 | <chapter id="common"> | 422 | <chapter id="common"> |
| 416 | &sub-common; | 423 | &sub-common; |
| @@ -462,6 +469,7 @@ and discussions on the V4L mailing list.</revremark> · 45 unmodified lines | |||
| 462 | &sub-close; | 469 | &sub-close; |
| 463 | &sub-ioctl; | 470 | &sub-ioctl; |
| 464 | <!-- All ioctls go here. --> | 471 | <!-- All ioctls go here. --> |
| 472 | &sub-create-bufs; | ||
| 465 | &sub-cropcap; | 473 | &sub-cropcap; |
| 466 | &sub-dbg-g-chip-ident; | 474 | &sub-dbg-g-chip-ident; |
| 467 | &sub-dbg-g-register; | 475 | &sub-dbg-g-register; |
| @@ -504,6 +512,7 @@ and discussions on the V4L mailing list.</revremark> · 36 unmodified lines | |||
| 504 | &sub-queryctrl; | 512 | &sub-queryctrl; |
| 505 | &sub-query-dv-preset; | 513 | &sub-query-dv-preset; |
| 506 | &sub-querystd; | 514 | &sub-querystd; |
| 515 | &sub-prepare-buf; | ||
| 507 | &sub-reqbufs; | 516 | &sub-reqbufs; |
| 508 | &sub-s-hw-freq-seek; | 517 | &sub-s-hw-freq-seek; |
| 509 | &sub-streamon; | 518 | &sub-streamon; |
| @@ -0,0 +1,139 @@ | |||
| 1 | <refentry id="vidioc-create-bufs"> | ||
| 2 | <refmeta> | ||
| 3 | <refentrytitle>ioctl VIDIOC_CREATE_BUFS</refentrytitle> | ||
| 4 | &manvol; | ||
| 5 | </refmeta> | ||
| 6 | |||
| 7 | <refnamediv> | ||
| 8 | <refname>VIDIOC_CREATE_BUFS</refname> | ||
| 9 | <refpurpose>Create buffers for Memory Mapped or User Pointer I/O</refpurpose> | ||
| 10 | </refnamediv> | ||
| 11 | |||
| 12 | <refsynopsisdiv> | ||
| 13 | <funcsynopsis> | ||
| 14 | <funcprototype> | ||
| 15 | <funcdef>int <function>ioctl</function></funcdef> | ||
| 16 | <paramdef>int <parameter>fd</parameter></paramdef> | ||
| 17 | <paramdef>int <parameter>request</parameter></paramdef> | ||
| 18 | <paramdef>struct v4l2_create_buffers *<parameter>argp</parameter></paramdef> | ||
| 19 | </funcprototype> | ||
| 20 | </funcsynopsis> | ||
| 21 | </refsynopsisdiv> | ||
| 22 | |||
| 23 | <refsect1> | ||
| 24 | <title>Arguments</title> | ||
| 25 | |||
| 26 | <variablelist> | ||
| 27 | <varlistentry> | ||
| 28 | <term><parameter>fd</parameter></term> | ||
| 29 | <listitem> | ||
| 30 | <para>&fd;</para> | ||
| 31 | </listitem> | ||
| 32 | </varlistentry> | ||
| 33 | <varlistentry> | ||
| 34 | <term><parameter>request</parameter></term> | ||
| 35 | <listitem> | ||
| 36 | <para>VIDIOC_CREATE_BUFS</para> | ||
| 37 | </listitem> | ||
| 38 | </varlistentry> | ||
| 39 | <varlistentry> | ||
| 40 | <term><parameter>argp</parameter></term> | ||
| 41 | <listitem> | ||
| 42 | <para></para> | ||
| 43 | </listitem> | ||
| 44 | </varlistentry> | ||
| 45 | </variablelist> | ||
| 46 | </refsect1> | ||
| 47 | |||
| 48 | <refsect1> | ||
| 49 | <title>Description</title> | ||
| 50 | |||
| 51 | <para>This ioctl is used to create buffers for <link linkend="mmap">memory | ||
| 52 | mapped</link> or <link linkend="userp">user pointer</link> | ||
| 53 | I/O. It can be used as an alternative or in addition to the | ||
| 54 | <constant>VIDIOC_REQBUFS</constant> ioctl, when a tighter control over buffers | ||
| 55 | is required. This ioctl can be called multiple times to create buffers of | ||
| 56 | different sizes.</para> | ||
| 57 | |||
| 58 | <para>To allocate device buffers applications initialize relevant fields of | ||
| 59 | the <structname>v4l2_create_buffers</structname> structure. They set the | ||
| 60 | <structfield>type</structfield> field in the | ||
| 61 | <structname>v4l2_format</structname> structure, embedded in this | ||
| 62 | structure, to the respective stream or buffer type. | ||
| 63 | <structfield>count</structfield> must be set to the number of required buffers. | ||
| 64 | <structfield>memory</structfield> specifies the required I/O method. The | ||
| 65 | <structfield>format</structfield> field shall typically be filled in using | ||
| 66 | either the <constant>VIDIOC_TRY_FMT</constant> or | ||
| 67 | <constant>VIDIOC_G_FMT</constant> ioctl(). Additionally, applications can adjust | ||
| 68 | <structfield>sizeimage</structfield> fields to fit their specific needs. The | ||
| 69 | <structfield>reserved</structfield> array must be zeroed.</para> | ||
| 70 | |||
| 71 | <para>When the ioctl is called with a pointer to this structure the driver | ||
| 72 | will attempt to allocate up to the requested number of buffers and store the | ||
| 73 | actual number allocated and the starting index in the | ||
| 74 | <structfield>count</structfield> and the <structfield>index</structfield> fields | ||
| 75 | respectively. On return <structfield>count</structfield> can be smaller than | ||
| 76 | the number requested. The driver may also increase buffer sizes if required, | ||
| 77 | however, it will not update <structfield>sizeimage</structfield> field values. | ||
| 78 | The user has to use <constant>VIDIOC_QUERYBUF</constant> to retrieve that | ||
| 79 | information.</para> | ||
| 80 | |||
| 81 | <table pgwide="1" frame="none" id="v4l2-create-buffers"> | ||
| 82 | <title>struct <structname>v4l2_create_buffers</structname></title> | ||
| 83 | <tgroup cols="3"> | ||
| 84 | &cs-str; | ||
| 85 | <tbody valign="top"> | ||
| 86 | <row> | ||
| 87 | <entry>__u32</entry> | ||
| 88 | <entry><structfield>index</structfield></entry> | ||
| 89 | <entry>The starting buffer index, returned by the driver.</entry> | ||
| 90 | </row> | ||
| 91 | <row> | ||
| 92 | <entry>__u32</entry> | ||
| 93 | <entry><structfield>count</structfield></entry> | ||
| 94 | <entry>The number of buffers requested or granted.</entry> | ||
| 95 | </row> | ||
| 96 | <row> | ||
| 97 | <entry>&v4l2-memory;</entry> | ||
| 98 | <entry><structfield>memory</structfield></entry> | ||
| 99 | <entry>Applications set this field to | ||
| 100 | <constant>V4L2_MEMORY_MMAP</constant> or | ||
| 101 | <constant>V4L2_MEMORY_USERPTR</constant>.</entry> | ||
| 102 | </row> | ||
| 103 | <row> | ||
| 104 | <entry>&v4l2-format;</entry> | ||
| 105 | <entry><structfield>format</structfield></entry> | ||
| 106 | <entry>Filled in by the application, preserved by the driver.</entry> | ||
| 107 | </row> | ||
| 108 | <row> | ||
| 109 | <entry>__u32</entry> | ||
| 110 | <entry><structfield>reserved</structfield>[8]</entry> | ||
| 111 | <entry>A place holder for future extensions.</entry> | ||
| 112 | </row> | ||
| 113 | </tbody> | ||
| 114 | </tgroup> | ||
| 115 | </table> | ||
| 116 | </refsect1> | ||
| 117 | |||
| 118 | <refsect1> | ||
| 119 | &return-value; | ||
| 120 | |||
| 121 | <variablelist> | ||
| 122 | <varlistentry> | ||
| 123 | <term><errorcode>ENOMEM</errorcode></term> | ||
| 124 | <listitem> | ||
| 125 | <para>No memory to allocate buffers for <link linkend="mmap">memory | ||
| 126 | mapped</link> I/O.</para> | ||
| 127 | </listitem> | ||
| 128 | </varlistentry> | ||
| 129 | <varlistentry> | ||
| 130 | <term><errorcode>EINVAL</errorcode></term> | ||
| 131 | <listitem> | ||
| 132 | <para>The buffer type (<structfield>type</structfield> field) or the | ||
| 133 | requested I/O method (<structfield>memory</structfield>) is not | ||
| 134 | supported.</para> | ||
| 135 | </listitem> | ||
| 136 | </varlistentry> | ||
| 137 | </variablelist> | ||
| 138 | </refsect1> | ||
| 139 | </refentry> | ||
| @@ -86,6 +86,12 @@ · 85 unmodified lines | |||
| 86 | <entry>Event data for event V4L2_EVENT_CTRL. | 86 | <entry>Event data for event V4L2_EVENT_CTRL. |
| 87 | </entry> | 87 | </entry> |
| 88 | </row> | 88 | </row> |
| 89 | <row> | ||
| 90 | <entry></entry> | ||
| 91 | <entry>&v4l2-event-frame-sync;</entry> | ||
| 92 | <entry><structfield>frame</structfield></entry> | ||
| 93 | <entry>Event data for event V4L2_EVENT_FRAME_SYNC.</entry> | ||
| 94 | </row> | ||
| 89 | <row> | 95 | <row> |
| 90 | <entry></entry> | 96 | <entry></entry> |
| 91 | <entry>__u8</entry> | 97 | <entry>__u8</entry> |
| @@ -135,6 +141,129 @@ · 43 unmodified lines | |||
| 135 | </tgroup> | 141 | </tgroup> |
| 136 | </table> | 142 | </table> |
| 137 | 143 | ||
| 144 | <table frame="none" pgwide="1" id="v4l2-event-vsync"> | ||
| 145 | <title>struct <structname>v4l2_event_vsync</structname></title> | ||
| 146 | <tgroup cols="3"> | ||
| 147 | &cs-str; | ||
| 148 | <tbody valign="top"> | ||
| 149 | <row> | ||
| 150 | <entry>__u8</entry> | ||
| 151 | <entry><structfield>field</structfield></entry> | ||
| 152 | <entry>The upcoming field. See &v4l2-field;.</entry> | ||
| 153 | </row> | ||
| 154 | </tbody> | ||
| 155 | </tgroup> | ||
| 156 | </table> | ||
| 157 | |||
| 158 | <table frame="none" pgwide="1" id="v4l2-event-ctrl"> | ||
| 159 | <title>struct <structname>v4l2_event_ctrl</structname></title> | ||
| 160 | <tgroup cols="4"> | ||
| 161 | &cs-str; | ||
| 162 | <tbody valign="top"> | ||
| 163 | <row> | ||
| 164 | <entry>__u32</entry> | ||
| 165 | <entry><structfield>changes</structfield></entry> | ||
| 166 | <entry></entry> | ||
| 167 | <entry>A bitmask that tells what has changed. See <xref linkend="changes-flags" />.</entry> | ||
| 168 | </row> | ||
| 169 | <row> | ||
| 170 | <entry>__u32</entry> | ||
| 171 | <entry><structfield>type</structfield></entry> | ||
| 172 | <entry></entry> | ||
| 173 | <entry>The type of the control. See &v4l2-ctrl-type;.</entry> | ||
| 174 | </row> | ||
| 175 | <row> | ||
| 176 | <entry>union (anonymous)</entry> | ||
| 177 | <entry></entry> | ||
| 178 | <entry></entry> | ||
| 179 | <entry></entry> | ||
| 180 | </row> | ||
| 181 | <row> | ||
| 182 | <entry></entry> | ||
| 183 | <entry>__s32</entry> | ||
| 184 | <entry><structfield>value</structfield></entry> | ||
| 185 | <entry>The 32-bit value of the control for 32-bit control types. | ||
| 186 | This is 0 for string controls since the value of a string | ||
| 187 | cannot be passed using &VIDIOC-DQEVENT;.</entry> | ||
| 188 | </row> | ||
| 189 | <row> | ||
| 190 | <entry></entry> | ||
| 191 | <entry>__s64</entry> | ||
| 192 | <entry><structfield>value64</structfield></entry> | ||
| 193 | <entry>The 64-bit value of the control for 64-bit control types.</entry> | ||
| 194 | </row> | ||
| 195 | <row> | ||
| 196 | <entry>__u32</entry> | ||
| 197 | <entry><structfield>flags</structfield></entry> | ||
| 198 | <entry></entry> | ||
| 199 | <entry>The control flags. See <xref linkend="control-flags" />.</entry> | ||
| 200 | </row> | ||
| 201 | <row> | ||
| 202 | <entry>__s32</entry> | ||
| 203 | <entry><structfield>minimum</structfield></entry> | ||
| 204 | <entry></entry> | ||
| 205 | <entry>The minimum value of the control. See &v4l2-queryctrl;.</entry> | ||
| 206 | </row> | ||
| 207 | <row> | ||
| 208 | <entry>__s32</entry> | ||
| 209 | <entry><structfield>maximum</structfield></entry> | ||
| 210 | <entry></entry> | ||
| 211 | <entry>The maximum value of the control. See &v4l2-queryctrl;.</entry> | ||
| 212 | </row> | ||
| 213 | <row> | ||
| 214 | <entry>__s32</entry> | ||
| 215 | <entry><structfield>step</structfield></entry> | ||
| 216 | <entry></entry> | ||
| 217 | <entry>The step value of the control. See &v4l2-queryctrl;.</entry> | ||
| 218 | </row> | ||
| 219 | <row> | ||
| 220 | <entry>__s32</entry> | ||
| 221 | <entry><structfield>default_value</structfield></entry> | ||
| 222 | <entry></entry> | ||
| 223 | <entry>The default value value of the control. See &v4l2-queryctrl;.</entry> | ||
| 224 | </row> | ||
| 225 | </tbody> | ||
| 226 | </tgroup> | ||
| 227 | </table> | ||
| 228 | |||
| 229 | <table frame="none" pgwide="1" id="v4l2-event-frame-sync"> | ||
| 230 | <title>struct <structname>v4l2_event_frame_sync</structname></title> | ||
| 231 | <tgroup cols="3"> | ||
| 232 | &cs-str; | ||
| 233 | <tbody valign="top"> | ||
| 234 | <row> | ||
| 235 | <entry>__u32</entry> | ||
| 236 | <entry><structfield>frame_sequence</structfield></entry> | ||
| 237 | <entry> | ||
| 238 | The sequence number of the frame being received. | ||
| 239 | </entry> | ||
| 240 | </row> | ||
| 241 | </tbody> | ||
| 242 | </tgroup> | ||
| 243 | </table> | ||
| 244 | |||
| 245 | <table pgwide="1" frame="none" id="changes-flags"> | ||
| 246 | <title>Changes</title> | ||
| 247 | <tgroup cols="3"> | ||
| 248 | &cs-def; | ||
| 249 | <tbody valign="top"> | ||
| 250 | <row> | ||
| 251 | <entry><constant>V4L2_EVENT_CTRL_CH_VALUE</constant></entry> | ||
| 252 | <entry>0x0001</entry> | ||
| 253 | <entry>This control event was triggered because the value of the control | ||
| 254 | changed. Special case: if a button control is pressed, then this | ||
| 255 | event is sent as well, even though there is not explicit value | ||
| 256 | associated with a button control.</entry> | ||
| 257 | </row> | ||
| 258 | <row> | ||
| 259 | <entry><constant>V4L2_EVENT_CTRL_CH_FLAGS</constant></entry> | ||
| 260 | <entry>0x0002</entry> | ||
| 261 | <entry>This control event was triggered because the control flags | ||
| 262 | changed.</entry> | ||
| 263 | </row> | ||
| 264 | </tbody> | ||
| 265 | </tgroup> | ||
| 266 | </table> | ||
| 138 | </refsect1> | 267 | </refsect1> |
| 139 | <refsect1> | 268 | <refsect1> |
| 140 | &return-value; | 269 | &return-value; |
| @@ -0,0 +1,88 @@ | |||
| 1 | <refentry id="vidioc-prepare-buf"> | ||
| 2 | <refmeta> | ||
| 3 | <refentrytitle>ioctl VIDIOC_PREPARE_BUF</refentrytitle> | ||
| 4 | &manvol; | ||
| 5 | </refmeta> | ||
| 6 | |||
| 7 | <refnamediv> | ||
| 8 | <refname>VIDIOC_PREPARE_BUF</refname> | ||
| 9 | <refpurpose>Prepare a buffer for I/O</refpurpose> | ||
| 10 | </refnamediv> | ||
| 11 | |||
| 12 | <refsynopsisdiv> | ||
| 13 | <funcsynopsis> | ||
| 14 | <funcprototype> | ||
| 15 | <funcdef>int <function>ioctl</function></funcdef> | ||
| 16 | <paramdef>int <parameter>fd</parameter></paramdef> | ||
| 17 | <paramdef>int <parameter>request</parameter></paramdef> | ||
| 18 | <paramdef>struct v4l2_buffer *<parameter>argp</parameter></paramdef> | ||
| 19 | </funcprototype> | ||
| 20 | </funcsynopsis> | ||
| 21 | </refsynopsisdiv> | ||
| 22 | |||
| 23 | <refsect1> | ||
| 24 | <title>Arguments</title> | ||
| 25 | |||
| 26 | <variablelist> | ||
| 27 | <varlistentry> | ||
| 28 | <term><parameter>fd</parameter></term> | ||
| 29 | <listitem> | ||
| 30 | <para>&fd;</para> | ||
| 31 | </listitem> | ||
| 32 | </varlistentry> | ||
| 33 | <varlistentry> | ||
| 34 | <term><parameter>request</parameter></term> | ||
| 35 | <listitem> | ||
| 36 | <para>VIDIOC_PREPARE_BUF</para> | ||
| 37 | </listitem> | ||
| 38 | </varlistentry> | ||
| 39 | <varlistentry> | ||
| 40 | <term><parameter>argp</parameter></term> | ||
| 41 | <listitem> | ||
| 42 | <para></para> | ||
| 43 | </listitem> | ||
| 44 | </varlistentry> | ||
| 45 | </variablelist> | ||
| 46 | </refsect1> | ||
| 47 | |||
| 48 | <refsect1> | ||
| 49 | <title>Description</title> | ||
| 50 | |||
| 51 | <para>Applications can optionally call the | ||
| 52 | <constant>VIDIOC_PREPARE_BUF</constant> ioctl to pass ownership of the buffer | ||
| 53 | to the driver before actually enqueuing it, using the | ||
| 54 | <constant>VIDIOC_QBUF</constant> ioctl, and to prepare it for future I/O. | ||
| 55 | Such preparations may include cache invalidation or cleaning. Performing them | ||
| 56 | in advance saves time during the actual I/O. In case such cache operations are | ||
| 57 | not required, the application can use one of | ||
| 58 | <constant>V4L2_BUF_FLAG_NO_CACHE_INVALIDATE</constant> and | ||
| 59 | <constant>V4L2_BUF_FLAG_NO_CACHE_CLEAN</constant> flags to skip the respective | ||
| 60 | step.</para> | ||
| 61 | |||
| 62 | <para>The <structname>v4l2_buffer</structname> structure is | ||
| 63 | specified in <xref linkend="buffer" />.</para> | ||
| 64 | </refsect1> | ||
| 65 | |||
| 66 | <refsect1> | ||
| 67 | &return-value; | ||
| 68 | |||
| 69 | <variablelist> | ||
| 70 | <varlistentry> | ||
| 71 | <term><errorcode>EBUSY</errorcode></term> | ||
| 72 | <listitem> | ||
| 73 | <para>File I/O is in progress.</para> | ||
| 74 | </listitem> | ||
| 75 | </varlistentry> | ||
| 76 | <varlistentry> | ||
| 77 | <term><errorcode>EINVAL</errorcode></term> | ||
| 78 | <listitem> | ||
| 79 | <para>The buffer <structfield>type</structfield> is not | ||
| 80 | supported, or the <structfield>index</structfield> is out of bounds, | ||
| 81 | or no buffers have been allocated yet, or the | ||
| 82 | <structfield>userptr</structfield> or | ||
| 83 | <structfield>length</structfield> are invalid.</para> | ||
| 84 | </listitem> | ||
| 85 | </varlistentry> | ||
| 86 | </variablelist> | ||
| 87 | </refsect1> | ||
| 88 | </refentry> | ||
| @@ -406,6 +406,15 @@ flag is typically present for relative controls or action controls where · 405 unmodified lines | |||
| 406 | writing a value will cause the device to carry out a given action | 406 | writing a value will cause the device to carry out a given action |
| 407 | (⪚ motor control) but no meaningful value can be returned.</entry> | 407 | (⪚ motor control) but no meaningful value can be returned.</entry> |
| 408 | </row> | 408 | </row> |
| 409 | <row> | ||
| 410 | <entry><constant>V4L2_CTRL_FLAG_VOLATILE</constant></entry> | ||
| 411 | <entry>0x0080</entry> | ||
| 412 | <entry>This control is volatile, which means that the value of the control | ||
| 413 | changes continuously. A typical example would be the current gain value if the device | ||
| 414 | is in auto-gain mode. In such a case the hardware calculates the gain value based on | ||
| 415 | the lighting conditions which can change over time. Note that setting a new value for | ||
| 416 | a volatile control will have no effect. The new value will just be ignored.</entry> | ||
| 417 | </row> | ||
| 409 | </tbody> | 418 | </tbody> |
| 410 | </tgroup> | 419 | </tgroup> |
| 411 | </table> | 420 | </table> |
| @@ -138,6 +138,22 @@ · 137 unmodified lines | |||
| 138 | field of the oldest event.</para> | 138 | field of the oldest event.</para> |
| 139 | </entry> | 139 | </entry> |
| 140 | </row> | 140 | </row> |
| 141 | <row> | ||
| 142 | <entry><constant>V4L2_EVENT_FRAME_SYNC</constant></entry> | ||
| 143 | <entry>4</entry> | ||
| 144 | <entry> | ||
| 145 | <para>Triggered immediately when the reception of a | ||
| 146 | frame has begun. This event has a | ||
| 147 | &v4l2-event-frame-sync; associated with it.</para> | ||
| 148 | |||
| 149 | <para>If the hardware needs to be stopped in the case of a | ||
| 150 | buffer underrun it might not be able to generate this event. | ||
| 151 | In such cases the <structfield>frame_sequence</structfield> | ||
| 152 | field in &v4l2-event-frame-sync; will not be incremented. This | ||
| 153 | causes two consecutive frame sequence numbers to have n times | ||
| 154 | frame interval in between them.</para> | ||
| 155 | </entry> | ||
| 156 | </row> | ||
| 141 | <row> | 157 | <row> |
| 142 | <entry><constant>V4L2_EVENT_PRIVATE_START</constant></entry> | 158 | <entry><constant>V4L2_EVENT_PRIVATE_START</constant></entry> |
| 143 | <entry>0x08000000</entry> | 159 | <entry>0x08000000</entry> |
| @@ -183,113 +199,6 @@ · 39 unmodified lines | |||
| 183 | </tgroup> | 199 | </tgroup> |
| 184 | </table> | 200 | </table> |
| 185 | 201 | ||
| 186 | <table frame="none" pgwide="1" id="v4l2-event-vsync"> | ||
| 187 | <title>struct <structname>v4l2_event_vsync</structname></title> | ||
| 188 | <tgroup cols="3"> | ||
| 189 | &cs-str; | ||
| 190 | <tbody valign="top"> | ||
| 191 | <row> | ||
| 192 | <entry>__u8</entry> | ||
| 193 | <entry><structfield>field</structfield></entry> | ||
| 194 | <entry>The upcoming field. See &v4l2-field;.</entry> | ||
| 195 | </row> | ||
| 196 | </tbody> | ||
| 197 | </tgroup> | ||
| 198 | </table> | ||
| 199 | |||
| 200 | <table frame="none" pgwide="1" id="v4l2-event-ctrl"> | ||
| 201 | <title>struct <structname>v4l2_event_ctrl</structname></title> | ||
| 202 | <tgroup cols="4"> | ||
| 203 | &cs-str; | ||
| 204 | <tbody valign="top"> | ||
| 205 | <row> | ||
| 206 | <entry>__u32</entry> | ||
| 207 | <entry><structfield>changes</structfield></entry> | ||
| 208 | <entry></entry> | ||
| 209 | <entry>A bitmask that tells what has changed. See <xref linkend="changes-flags" />.</entry> | ||
| 210 | </row> | ||
| 211 | <row> | ||
| 212 | <entry>__u32</entry> | ||
| 213 | <entry><structfield>type</structfield></entry> | ||
| 214 | <entry></entry> | ||
| 215 | <entry>The type of the control. See &v4l2-ctrl-type;.</entry> | ||
| 216 | </row> | ||
| 217 | <row> | ||
| 218 | <entry>union (anonymous)</entry> | ||
| 219 | <entry></entry> | ||
| 220 | <entry></entry> | ||
| 221 | <entry></entry> | ||
| 222 | </row> | ||
| 223 | <row> | ||
| 224 | <entry></entry> | ||
| 225 | <entry>__s32</entry> | ||
| 226 | <entry><structfield>value</structfield></entry> | ||
| 227 | <entry>The 32-bit value of the control for 32-bit control types. | ||
| 228 | This is 0 for string controls since the value of a string | ||
| 229 | cannot be passed using &VIDIOC-DQEVENT;.</entry> | ||
| 230 | </row> | ||
| 231 | <row> | ||
| 232 | <entry></entry> | ||
| 233 | <entry>__s64</entry> | ||
| 234 | <entry><structfield>value64</structfield></entry> | ||
| 235 | <entry>The 64-bit value of the control for 64-bit control types.</entry> | ||
| 236 | </row> | ||
| 237 | <row> | ||
| 238 | <entry>__u32</entry> | ||
| 239 | <entry><structfield>flags</structfield></entry> | ||
| 240 | <entry></entry> | ||
| 241 | <entry>The control flags. See <xref linkend="control-flags" />.</entry> | ||
| 242 | </row> | ||
| 243 | <row> | ||
| 244 | <entry>__s32</entry> | ||
| 245 | <entry><structfield>minimum</structfield></entry> | ||
| 246 | <entry></entry> | ||
| 247 | <entry>The minimum value of the control. See &v4l2-queryctrl;.</entry> | ||
| 248 | </row> | ||
| 249 | <row> | ||
| 250 | <entry>__s32</entry> | ||
| 251 | <entry><structfield>maximum</structfield></entry> | ||
| 252 | <entry></entry> | ||
| 253 | <entry>The maximum value of the control. See &v4l2-queryctrl;.</entry> | ||
| 254 | </row> | ||
| 255 | <row> | ||
| 256 | <entry>__s32</entry> | ||
| 257 | <entry><structfield>step</structfield></entry> | ||
| 258 | <entry></entry> | ||
| 259 | <entry>The step value of the control. See &v4l2-queryctrl;.</entry> | ||
| 260 | </row> | ||
| 261 | <row> | ||
| 262 | <entry>__s32</entry> | ||
| 263 | <entry><structfield>default_value</structfield></entry> | ||
| 264 | <entry></entry> | ||
| 265 | <entry>The default value value of the control. See &v4l2-queryctrl;.</entry> | ||
| 266 | </row> | ||
| 267 | </tbody> | ||
| 268 | </tgroup> | ||
| 269 | </table> | ||
| 270 | |||
| 271 | <table pgwide="1" frame="none" id="changes-flags"> | ||
| 272 | <title>Changes</title> | ||
| 273 | <tgroup cols="3"> | ||
| 274 | &cs-def; | ||
| 275 | <tbody valign="top"> | ||
| 276 | <row> | ||
| 277 | <entry><constant>V4L2_EVENT_CTRL_CH_VALUE</constant></entry> | ||
| 278 | <entry>0x0001</entry> | ||
| 279 | <entry>This control event was triggered because the value of the control | ||
| 280 | changed. Special case: if a button control is pressed, then this | ||
| 281 | event is sent as well, even though there is not explicit value | ||
| 282 | associated with a button control.</entry> | ||
| 283 | </row> | ||
| 284 | <row> | ||
| 285 | <entry><constant>V4L2_EVENT_CTRL_CH_FLAGS</constant></entry> | ||
| 286 | <entry>0x0002</entry> | ||
| 287 | <entry>This control event was triggered because the control flags | ||
| 288 | changed.</entry> | ||
| 289 | </row> | ||
| 290 | </tbody> | ||
| 291 | </tgroup> | ||
| 292 | </table> | ||
| 293 | </refsect1> | 202 | </refsect1> |
| 294 | <refsect1> | 203 | <refsect1> |
| 295 | &return-value; | 204 | &return-value; |
| @@ -572,7 +572,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) · 571 unmodified lines | |||
| 572 | </para> | 572 | </para> |
| 573 | <para> | 573 | <para> |
| 574 | The simplest way to activate the FLASH based bad block table support | 574 | The simplest way to activate the FLASH based bad block table support |
| 575 | is to set the option NAND_USE_FLASH_BBT in the option field of | 575 | is to set the option NAND_BBT_USE_FLASH in the bbt_option field of |
| 576 | the nand chip structure before calling nand_scan(). For AG-AND | 576 | the nand chip structure before calling nand_scan(). For AG-AND |
| 577 | chips is this done by default. | 577 | chips is this done by default. |
| 578 | This activates the default FLASH based bad block table functionality | 578 | This activates the default FLASH based bad block table functionality |
| @@ -773,20 +773,6 @@ struct nand_oobinfo { · 194 unmodified lines | |||
| 773 | done according to the default builtin scheme. | 773 | done according to the default builtin scheme. |
| 774 | </para> | 774 | </para> |
| 775 | </sect2> | 775 | </sect2> |
| 776 | <sect2 id="User_space_placement_selection"> | ||
| 777 | <title>User space placement selection</title> | ||
| 778 | <para> | ||
| 779 | All non ecc functions like mtd->read and mtd->write use an internal | ||
| 780 | structure, which can be set by an ioctl. This structure is preset | ||
| 781 | to the autoplacement default. | ||
| 782 | <programlisting> | ||
| 783 | ioctl (fd, MEMSETOOBSEL, oobsel); | ||
| 784 | </programlisting> | ||
| 785 | oobsel is a pointer to a user supplied structure of type | ||
| 786 | nand_oobconfig. The contents of this structure must match the | ||
| 787 | criteria of the filesystem, which will be used. See an example in utils/nandwrite.c. | ||
| 788 | </para> | ||
| 789 | </sect2> | ||
| 790 | </sect1> | 776 | </sect1> |
| 791 | <sect1 id="Spare_area_autoplacement_default"> | 777 | <sect1 id="Spare_area_autoplacement_default"> |
| 792 | <title>Spare area autoplacement default schemes</title> | 778 | <title>Spare area autoplacement default schemes</title> |
| @@ -1158,9 +1144,6 @@ in this page</entry> · 365 unmodified lines | |||
| 1158 | These constants are defined in nand.h. They are ored together to describe | 1144 | These constants are defined in nand.h. They are ored together to describe |
| 1159 | the functionality. | 1145 | the functionality. |
| 1160 | <programlisting> | 1146 | <programlisting> |
| 1161 | /* Use a flash based bad block table. This option is parsed by the | ||
| 1162 | * default bad block table function (nand_default_bbt). */ | ||
| 1163 | #define NAND_USE_FLASH_BBT 0x00010000 | ||
| 1164 | /* The hw ecc generator provides a syndrome instead a ecc value on read | 1147 | /* The hw ecc generator provides a syndrome instead a ecc value on read |
| 1165 | * This can only work if we have the ecc bytes directly behind the | 1148 | * This can only work if we have the ecc bytes directly behind the |
| 1166 | * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ | 1149 | * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ |
| @@ -529,7 +529,7 @@ memory (e.g. allocated with <function>kmalloc()</function>). There's also · 528 unmodified lines | |||
| 529 | </para></listitem> | 529 | </para></listitem> |
| 530 | 530 | ||
| 531 | <listitem><para> | 531 | <listitem><para> |
| 532 | <varname>unsigned long addr</varname>: Required if the mapping is used. | 532 | <varname>phys_addr_t addr</varname>: Required if the mapping is used. |
| 533 | Fill in the address of your memory block. This address is the one that | 533 | Fill in the address of your memory block. This address is the one that |
| 534 | appears in sysfs. | 534 | appears in sysfs. |
| 535 | </para></listitem> | 535 | </para></listitem> |
| @@ -4288,7 +4288,7 @@ struct _snd_pcm_runtime { · 4287 unmodified lines | |||
| 4288 | <![CDATA[ | 4288 | <![CDATA[ |
| 4289 | struct snd_rawmidi *rmidi; | 4289 | struct snd_rawmidi *rmidi; |
| 4290 | snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port, info_flags, | 4290 | snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port, info_flags, |
| 4291 | irq, irq_flags, &rmidi); | 4291 | irq, &rmidi); |
| 4292 | ]]> | 4292 | ]]> |
| 4293 | </programlisting> | 4293 | </programlisting> |
| 4294 | </informalexample> | 4294 | </informalexample> |
| @@ -4343,6 +4343,13 @@ struct _snd_pcm_runtime { · 48 unmodified lines | |||
| 4343 | by itself to start processing the output stream in the irq handler. | 4343 | by itself to start processing the output stream in the irq handler. |
| 4344 | </para> | 4344 | </para> |
| 4345 | 4345 | ||
| 4346 | <para> | ||
| 4347 | If the MPU-401 interface shares its interrupt with the other logical | ||
| 4348 | devices on the card, set <constant>MPU401_INFO_IRQ_HOOK</constant> | ||
| 4349 | (see <link linkend="midi-interface-interrupt-handler"><citetitle> | ||
| 4350 | below</citetitle></link>). | ||
| 4351 | </para> | ||
| 4352 | |||
| 4346 | <para> | 4353 | <para> |
| 4347 | Usually, the port address corresponds to the command port and | 4354 | Usually, the port address corresponds to the command port and |
| 4348 | port + 1 corresponds to the data port. If not, you may change | 4355 | port + 1 corresponds to the data port. If not, you may change |
| @@ -4375,14 +4382,12 @@ struct _snd_pcm_runtime { · 26 unmodified lines | |||
| 4375 | </para> | 4382 | </para> |
| 4376 | 4383 | ||
| 4377 | <para> | 4384 | <para> |
| 4378 | The 6th argument specifies the irq number for UART. If the irq | 4385 | The 6th argument specifies the ISA irq number that will be |
| 4379 | is already allocated, pass 0 to the 7th argument | 4386 | allocated. If no interrupt is to be allocated (because your |
| 4380 | (<parameter>irq_flags</parameter>). Otherwise, pass the flags | 4387 | code is already allocating a shared interrupt, or because the |
| 4381 | for irq allocation | 4388 | device does not use interrupts), pass -1 instead. |
| 4382 | (<constant>SA_XXX</constant> bits) to it, and the irq will be | 4389 | For a MPU-401 device without an interrupt, a polling timer |
| 4383 | reserved by the mpu401-uart layer. If the card doesn't generate | 4390 | will be used instead. |
| 4384 | UART interrupts, pass -1 as the irq number. Then a timer | ||
| 4385 | interrupt will be invoked for polling. | ||
| 4386 | </para> | 4391 | </para> |
| 4387 | </section> | 4392 | </section> |
| 4388 | 4393 | ||
| @@ -4390,12 +4395,13 @@ struct _snd_pcm_runtime { · 1 unmodified line | |||
| 4390 | <title>Interrupt Handler</title> | 4395 | <title>Interrupt Handler</title> |
| 4391 | <para> | 4396 | <para> |
| 4392 | When the interrupt is allocated in | 4397 | When the interrupt is allocated in |
| 4393 | <function>snd_mpu401_uart_new()</function>, the private | 4398 | <function>snd_mpu401_uart_new()</function>, an exclusive ISA |
| 4394 | interrupt handler is used, hence you don't have anything else to do | 4399 | interrupt handler is automatically used, hence you don't have |
| 4395 | than creating the mpu401 stuff. Otherwise, you have to call | 4400 | anything else to do than creating the mpu401 stuff. Otherwise, you |
| 4396 | <function>snd_mpu401_uart_interrupt()</function> explicitly when | 4401 | have to set <constant>MPU401_INFO_IRQ_HOOK</constant>, and call |
| 4397 | a UART interrupt is invoked and checked in your own interrupt | 4402 | <function>snd_mpu401_uart_interrupt()</function> explicitly from your |
| 4398 | handler. | 4403 | own interrupt handler when it has determined that a UART interrupt |
| 4404 | has occurred. | ||
| 4399 | </para> | 4405 | </para> |
| 4400 | 4406 | ||
| 4401 | <para> | 4407 | <para> |
| @@ -95,7 +95,7 @@ not to return until all ongoing NMI handlers exit. It is therefore safe · 94 unmodified lines | |||
| 95 | to free up the handler's data as soon as synchronize_sched() returns. | 95 | to free up the handler's data as soon as synchronize_sched() returns. |
| 96 | 96 | ||
| 97 | Important note: for this to work, the architecture in question must | 97 | Important note: for this to work, the architecture in question must |
| 98 | invoke irq_enter() and irq_exit() on NMI entry and exit, respectively. | 98 | invoke nmi_enter() and nmi_exit() on NMI entry and exit, respectively. |
| 99 | 99 | ||
| 100 | 100 | ||
| 101 | Answer to Quick Quiz | 101 | Answer to Quick Quiz |
| @@ -0,0 +1,110 @@ | |||
| 1 | Lockdep-RCU was added to the Linux kernel in early 2010 | ||
| 2 | (http://lwn.net/Articles/371986/). This facility checks for some common | ||
| 3 | misuses of the RCU API, most notably using one of the rcu_dereference() | ||
| 4 | family to access an RCU-protected pointer without the proper protection. | ||
| 5 | When such misuse is detected, an lockdep-RCU splat is emitted. | ||
| 6 | |||
| 7 | The usual cause of a lockdep-RCU slat is someone accessing an | ||
| 8 | RCU-protected data structure without either (1) being in the right kind of | ||
| 9 | RCU read-side critical section or (2) holding the right update-side lock. | ||
| 10 | This problem can therefore be serious: it might result in random memory | ||
| 11 | overwriting or worse. There can of course be false positives, this | ||
| 12 | being the real world and all that. | ||
| 13 | |||
| 14 | So let's look at an example RCU lockdep splat from 3.0-rc5, one that | ||
| 15 | has long since been fixed: | ||
| 16 | |||
| 17 | =============================== | ||
| 18 | [ INFO: suspicious RCU usage. ] | ||
| 19 | ------------------------------- | ||
| 20 | block/cfq-iosched.c:2776 suspicious rcu_dereference_protected() usage! | ||
| 21 | |||
| 22 | other info that might help us debug this: | ||
| 23 | |||
| 24 | |||
| 25 | rcu_scheduler_active = 1, debug_locks = 0 | ||
| 26 | 3 locks held by scsi_scan_6/1552: | ||
| 27 | #0: (&shost->scan_mutex){+.+.+.}, at: [<ffffffff8145efca>] | ||
| 28 | scsi_scan_host_selected+0x5a/0x150 | ||
| 29 | #1: (&eq->sysfs_lock){+.+...}, at: [<ffffffff812a5032>] | ||
| 30 | elevator_exit+0x22/0x60 | ||
| 31 | #2: (&(&q->__queue_lock)->rlock){-.-...}, at: [<ffffffff812b6233>] | ||
| 32 | cfq_exit_queue+0x43/0x190 | ||
| 33 | |||
| 34 | stack backtrace: | ||
| 35 | Pid: 1552, comm: scsi_scan_6 Not tainted 3.0.0-rc5 #17 | ||
| 36 | Call Trace: | ||
| 37 | [<ffffffff810abb9b>] lockdep_rcu_dereference+0xbb/0xc0 | ||
| 38 | [<ffffffff812b6139>] __cfq_exit_single_io_context+0xe9/0x120 | ||
| 39 | [<ffffffff812b626c>] cfq_exit_queue+0x7c/0x190 | ||
| 40 | [<ffffffff812a5046>] elevator_exit+0x36/0x60 | ||
| 41 | [<ffffffff812a802a>] blk_cleanup_queue+0x4a/0x60 | ||
| 42 | [<ffffffff8145cc09>] scsi_free_queue+0x9/0x10 | ||
| 43 | [<ffffffff81460944>] __scsi_remove_device+0x84/0xd0 | ||
| 44 | [<ffffffff8145dca3>] scsi_probe_and_add_lun+0x353/0xb10 | ||
| 45 | [<ffffffff817da069>] ? error_exit+0x29/0xb0 | ||
| 46 | [<ffffffff817d98ed>] ? _raw_spin_unlock_irqrestore+0x3d/0x80 | ||
| 47 | [<ffffffff8145e722>] __scsi_scan_target+0x112/0x680 | ||
| 48 | [<ffffffff812c690d>] ? trace_hardirqs_off_thunk+0x3a/0x3c | ||
| 49 | [<ffffffff817da069>] ? error_exit+0x29/0xb0 | ||
| 50 | [<ffffffff812bcc60>] ? kobject_del+0x40/0x40 | ||
| 51 | [<ffffffff8145ed16>] scsi_scan_channel+0x86/0xb0 | ||
| 52 | [<ffffffff8145f0b0>] scsi_scan_host_selected+0x140/0x150 | ||
| 53 | [<ffffffff8145f149>] do_scsi_scan_host+0x89/0x90 | ||
| 54 | [<ffffffff8145f170>] do_scan_async+0x20/0x160 | ||
| 55 | [<ffffffff8145f150>] ? do_scsi_scan_host+0x90/0x90 | ||
| 56 | [<ffffffff810975b6>] kthread+0xa6/0xb0 | ||
| 57 | [<ffffffff817db154>] kernel_thread_helper+0x4/0x10 | ||
| 58 | [<ffffffff81066430>] ? finish_task_switch+0x80/0x110 | ||
| 59 | [<ffffffff817d9c04>] ? retint_restore_args+0xe/0xe | ||
| 60 | [<ffffffff81097510>] ? __init_kthread_worker+0x70/0x70 | ||
| 61 | [<ffffffff817db150>] ? gs_change+0xb/0xb | ||
| 62 | |||
| 63 | Line 2776 of block/cfq-iosched.c in v3.0-rc5 is as follows: | ||
| 64 | |||
| 65 | if (rcu_dereference(ioc->ioc_data) == cic) { | ||
| 66 | |||
| 67 | This form says that it must be in a plain vanilla RCU read-side critical | ||
| 68 | section, but the "other info" list above shows that this is not the | ||
| 69 | case. Instead, we hold three locks, one of which might be RCU related. | ||
| 70 | And maybe that lock really does protect this reference. If so, the fix | ||
| 71 | is to inform RCU, perhaps by changing __cfq_exit_single_io_context() to | ||
| 72 | take the struct request_queue "q" from cfq_exit_queue() as an argument, | ||
| 73 | which would permit us to invoke rcu_dereference_protected as follows: | ||
| 74 | |||
| 75 | if (rcu_dereference_protected(ioc->ioc_data, | ||
| 76 | lockdep_is_held(&q->queue_lock)) == cic) { | ||
| 77 | |||
| 78 | With this change, there would be no lockdep-RCU splat emitted if this | ||
| 79 | code was invoked either from within an RCU read-side critical section | ||
| 80 | or with the ->queue_lock held. In particular, this would have suppressed | ||
| 81 | the above lockdep-RCU splat because ->queue_lock is held (see #2 in the | ||
| 82 | list above). | ||
| 83 | |||
| 84 | On the other hand, perhaps we really do need an RCU read-side critical | ||
| 85 | section. In this case, the critical section must span the use of the | ||
| 86 | return value from rcu_dereference(), or at least until there is some | ||
| 87 | reference count incremented or some such. One way to handle this is to | ||
| 88 | add rcu_read_lock() and rcu_read_unlock() as follows: | ||
| 89 | |||
| 90 | rcu_read_lock(); | ||
| 91 | if (rcu_dereference(ioc->ioc_data) == cic) { | ||
| 92 | spin_lock(&ioc->lock); | ||
| 93 | rcu_assign_pointer(ioc->ioc_data, NULL); | ||
| 94 | spin_unlock(&ioc->lock); | ||
| 95 | } | ||
| 96 | rcu_read_unlock(); | ||
| 97 | |||
| 98 | With this change, the rcu_dereference() is always within an RCU | ||
| 99 | read-side critical section, which again would have suppressed the | ||
| 100 | above lockdep-RCU splat. | ||
| 101 | |||
| 102 | But in this particular case, we don't actually deference the pointer | ||
| 103 | returned from rcu_dereference(). Instead, that pointer is just compared | ||
| 104 | to the cic pointer, which means that the rcu_dereference() can be replaced | ||
| 105 | by rcu_access_pointer() as follows: | ||
| 106 | |||
| 107 | if (rcu_access_pointer(ioc->ioc_data) == cic) { | ||
| 108 | |||
| 109 | Because it is legal to invoke rcu_access_pointer() without protection, | ||
| 110 | this change would also suppress the above lockdep-RCU splat. | ||
| @@ -32,9 +32,27 @@ checking of rcu_dereference() primitives: · 31 unmodified lines | |||
| 32 | srcu_dereference(p, sp): | 32 | srcu_dereference(p, sp): |
| 33 | Check for SRCU read-side critical section. | 33 | Check for SRCU read-side critical section. |
| 34 | rcu_dereference_check(p, c): | 34 | rcu_dereference_check(p, c): |
| 35 | Use explicit check expression "c". This is useful in | 35 | Use explicit check expression "c" along with |
| 36 | code that is invoked by both readers and updaters. | 36 | rcu_read_lock_held(). This is useful in code that is |
| 37 | rcu_dereference_raw(p) | 37 | invoked by both RCU readers and updaters. |
| 38 | rcu_dereference_bh_check(p, c): | ||
| 39 | Use explicit check expression "c" along with | ||
| 40 | rcu_read_lock_bh_held(). This is useful in code that | ||
| 41 | is invoked by both RCU-bh readers and updaters. | ||
| 42 | rcu_dereference_sched_check(p, c): | ||
| 43 | Use explicit check expression "c" along with | ||
| 44 | rcu_read_lock_sched_held(). This is useful in code that | ||
| 45 | is invoked by both RCU-sched readers and updaters. | ||
| 46 | srcu_dereference_check(p, c): | ||
| 47 | Use explicit check expression "c" along with | ||
| 48 | srcu_read_lock_held()(). This is useful in code that | ||
| 49 | is invoked by both SRCU readers and updaters. | ||
| 50 | rcu_dereference_index_check(p, c): | ||
| 51 | Use explicit check expression "c", but the caller | ||
| 52 | must supply one of the rcu_read_lock_held() functions. | ||
| 53 | This is useful in code that uses RCU-protected arrays | ||
| 54 | that is invoked by both RCU readers and updaters. | ||
| 55 | rcu_dereference_raw(p): | ||
| 38 | Don't check. (Use sparingly, if at all.) | 56 | Don't check. (Use sparingly, if at all.) |
| 39 | rcu_dereference_protected(p, c): | 57 | rcu_dereference_protected(p, c): |
| 40 | Use explicit check expression "c", and omit all barriers | 58 | Use explicit check expression "c", and omit all barriers |
| @@ -48,13 +66,11 @@ checking of rcu_dereference() primitives: · 7 unmodified lines | |||
| 48 | value of the pointer itself, for example, against NULL. | 66 | value of the pointer itself, for example, against NULL. |
| 49 | 67 | ||
| 50 | The rcu_dereference_check() check expression can be any boolean | 68 | The rcu_dereference_check() check expression can be any boolean |
| 51 | expression, but would normally include one of the rcu_read_lock_held() | 69 | expression, but would normally include a lockdep expression. However, |
| 52 | family of functions and a lockdep expression. However, any boolean | 70 | any boolean expression can be used. For a moderately ornate example, |
| 53 | expression can be used. For a moderately ornate example, consider | 71 | consider the following: |
| 54 | the following: | ||
| 55 | 72 | ||
| 56 | file = rcu_dereference_check(fdt->fd[fd], | 73 | file = rcu_dereference_check(fdt->fd[fd], |
| 57 | rcu_read_lock_held() || | ||
| 58 | lockdep_is_held(&files->file_lock) || | 74 | lockdep_is_held(&files->file_lock) || |
| 59 | atomic_read(&files->count) == 1); | 75 | atomic_read(&files->count) == 1); |
| 60 | 76 | ||
| @@ -62,7 +78,7 @@ This expression picks up the pointer "fdt->fd[fd]" in an RCU-safe manner, · 1 unmodified line | |||
| 62 | and, if CONFIG_PROVE_RCU is configured, verifies that this expression | 78 | and, if CONFIG_PROVE_RCU is configured, verifies that this expression |
| 63 | is used in: | 79 | is used in: |
| 64 | 80 | ||
| 65 | 1. An RCU read-side critical section, or | 81 | 1. An RCU read-side critical section (implicit), or |
| 66 | 2. with files->file_lock held, or | 82 | 2. with files->file_lock held, or |
| 67 | 3. on an unshared files_struct. | 83 | 3. on an unshared files_struct. |
| 68 | 84 | ||
| @@ -42,7 +42,7 @@ fqs_holdoff Holdoff time (in microseconds) between consecutive calls · 41 unmodified lines | |||
| 42 | fqs_stutter Wait time (in seconds) between consecutive bursts | 42 | fqs_stutter Wait time (in seconds) between consecutive bursts |
| 43 | of calls to force_quiescent_state(). | 43 | of calls to force_quiescent_state(). |
| 44 | 44 | ||
| 45 | irqreaders Says to invoke RCU readers from irq level. This is currently | 45 | irqreader Says to invoke RCU readers from irq level. This is currently |
| 46 | done via timers. Defaults to "1" for variants of RCU that | 46 | done via timers. Defaults to "1" for variants of RCU that |
| 47 | permit this. (Or, more accurately, variants of RCU that do | 47 | permit this. (Or, more accurately, variants of RCU that do |
| 48 | -not- permit this know to ignore this variable.) | 48 | -not- permit this know to ignore this variable.) |
| @@ -79,19 +79,68 @@ stutter The length of time to run the test before pausing for this · 30 unmodified lines | |||
| 79 | Specifying "stutter=0" causes the test to run continuously | 79 | Specifying "stutter=0" causes the test to run continuously |
| 80 | without pausing, which is the old default behavior. | 80 | without pausing, which is the old default behavior. |
| 81 | 81 | ||
| 82 | test_boost Whether or not to test the ability of RCU to do priority | ||
| 83 | boosting. Defaults to "test_boost=1", which performs | ||
| 84 | RCU priority-inversion testing only if the selected | ||
| 85 | RCU implementation supports priority boosting. Specifying | ||
| 86 | "test_boost=0" never performs RCU priority-inversion | ||
| 87 | testing. Specifying "test_boost=2" performs RCU | ||
| 88 | priority-inversion testing even if the selected RCU | ||
| 89 | implementation does not support RCU priority boosting, | ||
| 90 | which can be used to test rcutorture's ability to | ||
| 91 | carry out RCU priority-inversion testing. | ||
| 92 | |||
| 93 | test_boost_interval | ||
| 94 | The number of seconds in an RCU priority-inversion test | ||
| 95 | cycle. Defaults to "test_boost_interval=7". It is | ||
| 96 | usually wise for this value to be relatively prime to | ||
| 97 | the value selected for "stutter". | ||
| 98 | |||
| 99 | test_boost_duration | ||
| 100 | The number of seconds to do RCU priority-inversion testing | ||
| 101 | within any given "test_boost_interval". Defaults to | ||
| 102 | "test_boost_duration=4". | ||
| 103 | |||
| 82 | test_no_idle_hz Whether or not to test the ability of RCU to operate in | 104 | test_no_idle_hz Whether or not to test the ability of RCU to operate in |
| 83 | a kernel that disables the scheduling-clock interrupt to | 105 | a kernel that disables the scheduling-clock interrupt to |
| 84 | idle CPUs. Boolean parameter, "1" to test, "0" otherwise. | 106 | idle CPUs. Boolean parameter, "1" to test, "0" otherwise. |
| 85 | Defaults to omitting this test. | 107 | Defaults to omitting this test. |
| 86 | 108 | ||
| 87 | torture_type The type of RCU to test: "rcu" for the rcu_read_lock() API, | 109 | torture_type The type of RCU to test, with string values as follows: |
| 88 | "rcu_sync" for rcu_read_lock() with synchronous reclamation, | 110 | |
| 89 | "rcu_bh" for the rcu_read_lock_bh() API, "rcu_bh_sync" for | 111 | "rcu": rcu_read_lock(), rcu_read_unlock() and call_rcu(). |
| 90 | rcu_read_lock_bh() with synchronous reclamation, "srcu" for | 112 | |
| 91 | the "srcu_read_lock()" API, "sched" for the use of | 113 | "rcu_sync": rcu_read_lock(), rcu_read_unlock(), and |
| 92 | preempt_disable() together with synchronize_sched(), | 114 | synchronize_rcu(). |
| 93 | and "sched_expedited" for the use of preempt_disable() | 115 | |
| 94 | with synchronize_sched_expedited(). | 116 | "rcu_expedited": rcu_read_lock(), rcu_read_unlock(), and |
| 117 | synchronize_rcu_expedited(). | ||
| 118 | |||
| 119 | "rcu_bh": rcu_read_lock_bh(), rcu_read_unlock_bh(), and | ||
| 120 | call_rcu_bh(). | ||
| 121 | |||
| 122 | "rcu_bh_sync": rcu_read_lock_bh(), rcu_read_unlock_bh(), | ||
| 123 | and synchronize_rcu_bh(). | ||
| 124 | |||
| 125 | "rcu_bh_expedited": rcu_read_lock_bh(), rcu_read_unlock_bh(), | ||
| 126 | and synchronize_rcu_bh_expedited(). | ||
| 127 | |||
| 128 | "srcu": srcu_read_lock(), srcu_read_unlock() and | ||
| 129 | synchronize_srcu(). | ||
| 130 | |||
| 131 | "srcu_expedited": srcu_read_lock(), srcu_read_unlock() and | ||
| 132 | synchronize_srcu_expedited(). | ||
| 133 | |||
| 134 | "sched": preempt_disable(), preempt_enable(), and | ||
| 135 | call_rcu_sched(). | ||
| 136 | |||
| 137 | "sched_sync": preempt_disable(), preempt_enable(), and | ||
| 138 | synchronize_sched(). | ||
| 139 | |||
| 140 | "sched_expedited": preempt_disable(), preempt_enable(), and | ||
| 141 | synchronize_sched_expedited(). | ||
| 142 | |||
| 143 | Defaults to "rcu". | ||
| 95 | 144 | ||
| 96 | verbose Enable debug printk()s. Default is disabled. | 145 | verbose Enable debug printk()s. Default is disabled. |
| 97 | 146 | ||
| @@ -100,12 +149,12 @@ OUTPUT · 2 unmodified lines | |||
| 100 | 149 | ||
| 101 | The statistics output is as follows: | 150 | The statistics output is as follows: |
| 102 | 151 | ||
| 103 | rcu-torture: --- Start of test: nreaders=16 stat_interval=0 verbose=0 | 152 | rcu-torture:--- Start of test: nreaders=16 nfakewriters=4 stat_interval=30 verbose=0 test_no_idle_hz=1 shuffle_interval=3 stutter=5 irqreader=1 fqs_duration=0 fqs_holdoff=0 fqs_stutter=3 test_boost=1/0 test_boost_interval=7 test_boost_duration=4 |
| 104 | rcu-torture: rtc: 0000000000000000 ver: 1916 tfle: 0 rta: 1916 rtaf: 0 rtf: 1915 | 153 | rcu-torture: rtc: (null) ver: 155441 tfle: 0 rta: 155441 rtaf: 8884 rtf: 155440 rtmbe: 0 rtbke: 0 rtbre: 0 rtbf: 0 rtb: 0 nt: 3055767 |
| 105 | rcu-torture: Reader Pipe: 1466408 9747 0 0 0 0 0 0 0 0 0 | 154 | rcu-torture: Reader Pipe: 727860534 34213 0 0 0 0 0 0 0 0 0 |
| 106 | rcu-torture: Reader Batch: 1464477 11678 0 0 0 0 0 0 0 0 | 155 | rcu-torture: Reader Batch: 727877838 17003 0 0 0 0 0 0 0 0 0 |
| 107 | rcu-torture: Free-Block Circulation: 1915 1915 1915 1915 1915 1915 1915 1915 1915 1915 0 | 156 | rcu-torture: Free-Block Circulation: 155440 155440 155440 155440 155440 155440 155440 155440 155440 155440 0 |
| 108 | rcu-torture: --- End of test | 157 | rcu-torture:--- End of test: SUCCESS: nreaders=16 nfakewriters=4 stat_interval=30 verbose=0 test_no_idle_hz=1 shuffle_interval=3 stutter=5 irqreader=1 fqs_duration=0 fqs_holdoff=0 fqs_stutter=3 test_boost=1/0 test_boost_interval=7 test_boost_duration=4 |
| 109 | 158 | ||
| 110 | The command "dmesg | grep torture:" will extract this information on | 159 | The command "dmesg | grep torture:" will extract this information on |
| 111 | most systems. On more esoteric configurations, it may be necessary to | 160 | most systems. On more esoteric configurations, it may be necessary to |
| @@ -113,26 +162,55 @@ use other commands to access the output of the printk()s used by · 1 unmodified line | |||
| 113 | the RCU torture test. The printk()s use KERN_ALERT, so they should | 162 | the RCU torture test. The printk()s use KERN_ALERT, so they should |
| 114 | be evident. ;-) | 163 | be evident. ;-) |
| 115 | 164 | ||
| 165 | The first and last lines show the rcutorture module parameters, and the | ||
| 166 | last line shows either "SUCCESS" or "FAILURE", based on rcutorture's | ||
| 167 | automatic determination as to whether RCU operated correctly. | ||
| 168 | |||
| 116 | The entries are as follows: | 169 | The entries are as follows: |
| 117 | 170 | ||
| 118 | o "rtc": The hexadecimal address of the structure currently visible | 171 | o "rtc": The hexadecimal address of the structure currently visible |
| 119 | to readers. | 172 | to readers. |
| 120 | 173 | ||
| 121 | o "ver": The number of times since boot that the rcutw writer task | 174 | o "ver": The number of times since boot that the RCU writer task |
| 122 | has changed the structure visible to readers. | 175 | has changed the structure visible to readers. |
| 123 | 176 | ||
| 124 | o "tfle": If non-zero, indicates that the "torture freelist" | 177 | o "tfle": If non-zero, indicates that the "torture freelist" |
| 125 | containing structure to be placed into the "rtc" area is empty. | 178 | containing structures to be placed into the "rtc" area is empty. |
| 126 | This condition is important, since it can fool you into thinking | 179 | This condition is important, since it can fool you into thinking |
| 127 | that RCU is working when it is not. :-/ | 180 | that RCU is working when it is not. :-/ |
| 128 | 181 | ||
| 129 | o "rta": Number of structures allocated from the torture freelist. | 182 | o "rta": Number of structures allocated from the torture freelist. |
| 130 | 183 | ||
| 131 | o "rtaf": Number of allocations from the torture freelist that have | 184 | o "rtaf": Number of allocations from the torture freelist that have |
| 132 | failed due to the list being empty. | 185 | failed due to the list being empty. It is not unusual for this |
| 186 | to be non-zero, but it is bad for it to be a large fraction of | ||
| 187 | the value indicated by "rta". | ||
| 133 | 188 | ||
| 134 | o "rtf": Number of frees into the torture freelist. | 189 | o "rtf": Number of frees into the torture freelist. |
| 135 | 190 | ||
| 191 | o "rtmbe": A non-zero value indicates that rcutorture believes that | ||
| 192 | rcu_assign_pointer() and rcu_dereference() are not working | ||
| 193 | correctly. This value should be zero. | ||
| 194 | |||
| 195 | o "rtbke": rcutorture was unable to create the real-time kthreads | ||
| 196 | used to force RCU priority inversion. This value should be zero. | ||
| 197 | |||
| 198 | o "rtbre": Although rcutorture successfully created the kthreads | ||
| 199 | used to force RCU priority inversion, it was unable to set them | ||
| 200 | to the real-time priority level of 1. This value should be zero. | ||
| 201 | |||
| 202 | o "rtbf": The number of times that RCU priority boosting failed | ||
| 203 | to resolve RCU priority inversion. | ||
| 204 | |||
| 205 | o "rtb": The number of times that rcutorture attempted to force | ||
| 206 | an RCU priority inversion condition. If you are testing RCU | ||
| 207 | priority boosting via the "test_boost" module parameter, this | ||
| 208 | value should be non-zero. | ||
| 209 | |||
| 210 | o "nt": The number of times rcutorture ran RCU read-side code from | ||
| 211 | within a timer handler. This value should be non-zero only | ||
| 212 | if you specified the "irqreader" module parameter. | ||
| 213 | |||
| 136 | o "Reader Pipe": Histogram of "ages" of structures seen by readers. | 214 | o "Reader Pipe": Histogram of "ages" of structures seen by readers. |
| 137 | If any entries past the first two are non-zero, RCU is broken. | 215 | If any entries past the first two are non-zero, RCU is broken. |
| 138 | And rcutorture prints the error flag string "!!!" to make sure | 216 | And rcutorture prints the error flag string "!!!" to make sure |
| @@ -162,26 +240,15 @@ o "Free-Block Circulation": Shows the number of torture structures · 23 unmodified lines | |||
| 162 | somehow gets incremented farther than it should. | 240 | somehow gets incremented farther than it should. |
| 163 | 241 | ||
| 164 | Different implementations of RCU can provide implementation-specific | 242 | Different implementations of RCU can provide implementation-specific |
| 165 | additional information. For example, SRCU provides the following: | 243 | additional information. For example, SRCU provides the following |
| 244 | additional line: | ||
| 166 | 245 | ||
| 167 | srcu-torture: rtc: f8cf46a8 ver: 355 tfle: 0 rta: 356 rtaf: 0 rtf: 346 rtmbe: 0 | ||
| 168 | srcu-torture: Reader Pipe: 559738 939 0 0 0 0 0 0 0 0 0 | ||
| 169 | srcu-torture: Reader Batch: 560434 243 0 0 0 0 0 0 0 0 | ||
| 170 | srcu-torture: Free-Block Circulation: 355 354 353 352 351 350 349 348 347 346 0 | ||
| 171 | srcu-torture: per-CPU(idx=1): 0(0,1) 1(0,1) 2(0,0) 3(0,1) | 246 | srcu-torture: per-CPU(idx=1): 0(0,1) 1(0,1) 2(0,0) 3(0,1) |
| 172 | 247 | ||
| 173 | The first four lines are similar to those for RCU. The last line shows | 248 | This line shows the per-CPU counter state. The numbers in parentheses are |
| 174 | the per-CPU counter state. The numbers in parentheses are the values | 249 | the values of the "old" and "current" counters for the corresponding CPU. |
| 175 | of the "old" and "current" counters for the corresponding CPU. The | 250 | The "idx" value maps the "old" and "current" values to the underlying |
| 176 | "idx" value maps the "old" and "current" values to the underlying array, | 251 | array, and is useful for debugging. |
| 177 | and is useful for debugging. | ||
| 178 | |||
| 179 | Similarly, sched_expedited RCU provides the following: | ||
| 180 | |||
| 181 | sched_expedited-torture: rtc: d0000000016c1880 ver: 1090796 tfle: 0 rta: 1090796 rtaf: 0 rtf: 1090787 rtmbe: 0 nt: 27713319 | ||
| 182 | sched_expedited-torture: Reader Pipe: 12660320201 95875 0 0 0 0 0 0 0 0 0 | ||
| 183 | sched_expedited-torture: Reader Batch: 12660424885 0 0 0 0 0 0 0 0 0 0 | ||
| 184 | sched_expedited-torture: Free-Block Circulation: 1090795 1090795 1090794 1090793 1090792 1090791 1090790 1090789 1090788 1090787 0 | ||
| 185 | 252 | ||
| 186 | 253 | ||
| 187 | USAGE | 254 | USAGE |
| @@ -33,23 +33,23 @@ rcu/rcuboost: · 32 unmodified lines | |||
| 33 | The output of "cat rcu/rcudata" looks as follows: | 33 | The output of "cat rcu/rcudata" looks as follows: |
| 34 | 34 | ||
| 35 | rcu_sched: | 35 | rcu_sched: |
| 36 | 0 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=545/1/0 df=50 of=0 ri=0 ql=163 qs=NRW. kt=0/W/0 ktl=ebc3 b=10 ci=153737 co=0 ca=0 | 36 | 0 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=545/1/0 df=50 of=0 ri=0 ql=163 qs=NRW. kt=0/W/0 ktl=ebc3 b=10 ci=153737 co=0 ca=0 |
| 37 | 1 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=967/1/0 df=58 of=0 ri=0 ql=634 qs=NRW. kt=0/W/1 ktl=58c b=10 ci=191037 co=0 ca=0 | 37 | 1 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=967/1/0 df=58 of=0 ri=0 ql=634 qs=NRW. kt=0/W/1 ktl=58c b=10 ci=191037 co=0 ca=0 |
| 38 | 2 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=1081/1/0 df=175 of=0 ri=0 ql=74 qs=N.W. kt=0/W/2 ktl=da94 b=10 ci=75991 co=0 ca=0 | 38 | 2 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=1081/1/0 df=175 of=0 ri=0 ql=74 qs=N.W. kt=0/W/2 ktl=da94 b=10 ci=75991 co=0 ca=0 |
| 39 | 3 c=20942 g=20943 pq=1 pqc=20942 qp=1 dt=1846/0/0 df=404 of=0 ri=0 ql=0 qs=.... kt=0/W/3 ktl=d1cd b=10 ci=72261 co=0 ca=0 | 39 | 3 c=20942 g=20943 pq=1 pgp=20942 qp=1 dt=1846/0/0 df=404 of=0 ri=0 ql=0 qs=.... kt=0/W/3 ktl=d1cd b=10 ci=72261 co=0 ca=0 |
| 40 | 4 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=369/1/0 df=83 of=0 ri=0 ql=48 qs=N.W. kt=0/W/4 ktl=e0e7 b=10 ci=128365 co=0 ca=0 | 40 | 4 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=369/1/0 df=83 of=0 ri=0 ql=48 qs=N.W. kt=0/W/4 ktl=e0e7 b=10 ci=128365 co=0 ca=0 |
| 41 | 5 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=381/1/0 df=64 of=0 ri=0 ql=169 qs=NRW. kt=0/W/5 ktl=fb2f b=10 ci=164360 co=0 ca=0 | 41 | 5 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=381/1/0 df=64 of=0 ri=0 ql=169 qs=NRW. kt=0/W/5 ktl=fb2f b=10 ci=164360 co=0 ca=0 |
| 42 | 6 c=20972 g=20973 pq=1 pqc=20972 qp=0 dt=1037/1/0 df=183 of=0 ri=0 ql=62 qs=N.W. kt=0/W/6 ktl=d2ad b=10 ci=65663 co=0 ca=0 | 42 | 6 c=20972 g=20973 pq=1 pgp=20973 qp=0 dt=1037/1/0 df=183 of=0 ri=0 ql=62 qs=N.W. kt=0/W/6 ktl=d2ad b=10 ci=65663 co=0 ca=0 |
| 43 | 7 c=20897 g=20897 pq=1 pqc=20896 qp=0 dt=1572/0/0 df=382 of=0 ri=0 ql=0 qs=.... kt=0/W/7 ktl=cf15 b=10 ci=75006 co=0 ca=0 | 43 | 7 c=20897 g=20897 pq=1 pgp=20896 qp=0 dt=1572/0/0 df=382 of=0 ri=0 ql=0 qs=.... kt=0/W/7 ktl=cf15 b=10 ci=75006 co=0 ca=0 |
| 44 | rcu_bh: | 44 | rcu_bh: |
| 45 | 0 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=545/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/0 ktl=ebc3 b=10 ci=0 co=0 ca=0 | 45 | 0 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=545/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/0 ktl=ebc3 b=10 ci=0 co=0 ca=0 |
| 46 | 1 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=967/1/0 df=3 of=0 ri=1 ql=0 qs=.... kt=0/W/1 ktl=58c b=10 ci=151 co=0 ca=0 | 46 | 1 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=967/1/0 df=3 of=0 ri=1 ql=0 qs=.... kt=0/W/1 ktl=58c b=10 ci=151 co=0 ca=0 |
| 47 | 2 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=1081/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/2 ktl=da94 b=10 ci=0 co=0 ca=0 | 47 | 2 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=1081/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/2 ktl=da94 b=10 ci=0 co=0 ca=0 |
| 48 | 3 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=1846/0/0 df=8 of=0 ri=1 ql=0 qs=.... kt=0/W/3 ktl=d1cd b=10 ci=0 co=0 ca=0 | 48 | 3 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=1846/0/0 df=8 of=0 ri=1 ql=0 qs=.... kt=0/W/3 ktl=d1cd b=10 ci=0 co=0 ca=0 |
| 49 | 4 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=369/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/4 ktl=e0e7 b=10 ci=0 co=0 ca=0 | 49 | 4 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=369/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/4 ktl=e0e7 b=10 ci=0 co=0 ca=0 |
| 50 | 5 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=381/1/0 df=4 of=0 ri=1 ql=0 qs=.... kt=0/W/5 ktl=fb2f b=10 ci=0 co=0 ca=0 | 50 | 5 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=381/1/0 df=4 of=0 ri=1 ql=0 qs=.... kt=0/W/5 ktl=fb2f b=10 ci=0 co=0 ca=0 |
| 51 | 6 c=1480 g=1480 pq=1 pqc=1479 qp=0 dt=1037/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/6 ktl=d2ad b=10 ci=0 co=0 ca=0 | 51 | 6 c=1480 g=1480 pq=1 pgp=1480 qp=0 dt=1037/1/0 df=6 of=0 ri=1 ql=0 qs=.... kt=0/W/6 ktl=d2ad b=10 ci=0 co=0 ca=0 |
| 52 | 7 c=1474 g=1474 pq=1 pqc=1473 qp=0 dt=1572/0/0 df=8 of=0 ri=1 ql=0 qs=.... kt=0/W/7 ktl=cf15 b=10 ci=0 co=0 ca=0 | 52 | 7 c=1474 g=1474 pq=1 pgp=1473 qp=0 dt=1572/0/0 df=8 of=0 ri=1 ql=0 qs=.... kt=0/W/7 ktl=cf15 b=10 ci=0 co=0 ca=0 |
| 53 | 53 | ||
| 54 | The first section lists the rcu_data structures for rcu_sched, the second | 54 | The first section lists the rcu_data structures for rcu_sched, the second |
| 55 | for rcu_bh. Note that CONFIG_TREE_PREEMPT_RCU kernels will have an | 55 | for rcu_bh. Note that CONFIG_TREE_PREEMPT_RCU kernels will have an |
| @@ -84,7 +84,7 @@ o "pq" indicates that this CPU has passed through a quiescent state · 28 unmodified lines | |||
| 84 | CPU has not yet reported that fact, (2) some other CPU has not | 84 | CPU has not yet reported that fact, (2) some other CPU has not |
| 85 | yet reported for this grace period, or (3) both. | 85 | yet reported for this grace period, or (3) both. |
| 86 | 86 | ||
| 87 | o "pqc" indicates which grace period the last-observed quiescent | 87 | o "pgp" indicates which grace period the last-observed quiescent |
| 88 | state for this CPU corresponds to. This is important for handling | 88 | state for this CPU corresponds to. This is important for handling |
| 89 | the race between CPU 0 reporting an extended dynticks-idle | 89 | the race between CPU 0 reporting an extended dynticks-idle |
| 90 | quiescent state for CPU 1 and CPU 1 suddenly waking up and | 90 | quiescent state for CPU 1 and CPU 1 suddenly waking up and |
| @@ -184,10 +184,14 @@ o "kt" is the per-CPU kernel-thread state. The digit preceding · 93 unmodified lines | |||
| 184 | The number after the final slash is the CPU that the kthread | 184 | The number after the final slash is the CPU that the kthread |
| 185 | is actually running on. | 185 | is actually running on. |
| 186 | 186 | ||
| 187 | This field is displayed only for CONFIG_RCU_BOOST kernels. | ||
| 188 | |||
| 187 | o "ktl" is the low-order 16 bits (in hexadecimal) of the count of | 189 | o "ktl" is the low-order 16 bits (in hexadecimal) of the count of |
| 188 | the number of times that this CPU's per-CPU kthread has gone | 190 | the number of times that this CPU's per-CPU kthread has gone |
| 189 | through its loop servicing invoke_rcu_cpu_kthread() requests. | 191 | through its loop servicing invoke_rcu_cpu_kthread() requests. |
| 190 | 192 | ||
| 193 | This field is displayed only for CONFIG_RCU_BOOST kernels. | ||
| 194 | |||
| 191 | o "b" is the batch limit for this CPU. If more than this number | 195 | o "b" is the batch limit for this CPU. If more than this number |
| 192 | of RCU callbacks is ready to invoke, then the remainder will | 196 | of RCU callbacks is ready to invoke, then the remainder will |
| 193 | be deferred. | 197 | be deferred. |
| @@ -1,6 +1,6 @@ | |||
| 1 | To choose IO schedulers at boot time, use the argument 'elevator=deadline'. | 1 | To choose IO schedulers at boot time, use the argument 'elevator=deadline'. |
| 2 | 'noop', 'as' and 'cfq' (the default) are also available. IO schedulers are | 2 | 'noop' and 'cfq' (the default) are also available. IO schedulers are assigned |
| 3 | assigned globally at boot time only presently. | 3 | globally at boot time only presently. |
| 4 | 4 | ||
| 5 | Each io queue has a set of io scheduler tunables associated with it. These | 5 | Each io queue has a set of io scheduler tunables associated with it. These |
| 6 | tunables control how the io scheduler works. You can find these entries | 6 | tunables control how the io scheduler works. You can find these entries |
| @@ -78,6 +78,16 @@ The device naming scheme is: · 77 unmodified lines | |||
| 78 | /dev/cciss/c1d1p2 Controller 1, disk 1, partition 2 | 78 | /dev/cciss/c1d1p2 Controller 1, disk 1, partition 2 |
| 79 | /dev/cciss/c1d1p3 Controller 1, disk 1, partition 3 | 79 | /dev/cciss/c1d1p3 Controller 1, disk 1, partition 3 |
| 80 | 80 | ||
| 81 | CCISS simple mode support | ||
| 82 | ------------------------- | ||
| 83 | |||
| 84 | The "cciss_simple_mode=1" boot parameter may be used to prevent the driver | ||
| 85 | from putting the controller into "performant" mode. The difference is that | ||
| 86 | with simple mode, each command completion requires an interrupt, while with | ||
| 87 | "performant mode" (the default, and ordinarily better performing) it is | ||
| 88 | possible to have multiple command completions indicated by a single | ||
| 89 | interrupt. | ||
| 90 | |||
| 81 | SCSI tape drive and medium changer support | 91 | SCSI tape drive and medium changer support |
| 82 | ------------------------------------------ | 92 | ------------------------------------------ |
| 83 | 93 | ||
| @@ -454,8 +454,8 @@ mounted hierarchy, to remove a task from its current cgroup you must · 453 unmodified lines | |||
| 454 | move it into a new cgroup (possibly the root cgroup) by writing to the | 454 | move it into a new cgroup (possibly the root cgroup) by writing to the |
| 455 | new cgroup's tasks file. | 455 | new cgroup's tasks file. |
| 456 | 456 | ||
| 457 | Note: If the ns cgroup is active, moving a process to another cgroup can | 457 | Note: Due to some restrictions enforced by some cgroup subsystems, moving |
| 458 | fail. | 458 | a process to another cgroup can fail. |
| 459 | 459 | ||
| 460 | 2.3 Mounting hierarchies by name | 460 | 2.3 Mounting hierarchies by name |
| 461 | -------------------------------- | 461 | -------------------------------- |
| @@ -33,9 +33,9 @@ demonstrate this problem using nested bash shells: · 32 unmodified lines | |||
| 33 | 33 | ||
| 34 | From a second, unrelated bash shell: | 34 | From a second, unrelated bash shell: |
| 35 | $ kill -SIGSTOP 16690 | 35 | $ kill -SIGSTOP 16690 |
| 36 | $ kill -SIGCONT 16990 | 36 | $ kill -SIGCONT 16690 |
| 37 | 37 | ||
| 38 | <at this point 16990 exits and causes 16644 to exit too> | 38 | <at this point 16690 exits and causes 16644 to exit too> |
| 39 | 39 | ||
| 40 | This happens because bash can observe both signals and choose how it | 40 | This happens because bash can observe both signals and choose how it |
| 41 | responds to them. | 41 | responds to them. |
| @@ -418,7 +418,6 @@ total_unevictable - sum of all children's "unevictable" · 417 unmodified lines | |||
| 418 | 418 | ||
| 419 | # The following additional stats are dependent on CONFIG_DEBUG_VM. | 419 | # The following additional stats are dependent on CONFIG_DEBUG_VM. |
| 420 | 420 | ||
| 421 | inactive_ratio - VM internal parameter. (see mm/page_alloc.c) | ||
| 422 | recent_rotated_anon - VM internal parameter. (see mm/vmscan.c) | 421 | recent_rotated_anon - VM internal parameter. (see mm/vmscan.c) |
| 423 | recent_rotated_file - VM internal parameter. (see mm/vmscan.c) | 422 | recent_rotated_file - VM internal parameter. (see mm/vmscan.c) |
| 424 | recent_scanned_anon - VM internal parameter. (see mm/vmscan.c) | 423 | recent_scanned_anon - VM internal parameter. (see mm/vmscan.c) |
| @@ -48,7 +48,7 @@ kernel and userspace, 'connector' is used as the interface for · 47 unmodified lines | |||
| 48 | communication. | 48 | communication. |
| 49 | 49 | ||
| 50 | There are currently two userspace log implementations that leverage this | 50 | There are currently two userspace log implementations that leverage this |
| 51 | framework - "clustered_disk" and "clustered_core". These implementations | 51 | framework - "clustered-disk" and "clustered-core". These implementations |
| 52 | provide a cluster-coherent log for shared-storage. Device-mapper mirroring | 52 | provide a cluster-coherent log for shared-storage. Device-mapper mirroring |
| 53 | can be used in a shared-storage environment when the cluster log implementations | 53 | can be used in a shared-storage environment when the cluster log implementations |
| 54 | are employed. | 54 | are employed. |
| @@ -0,0 +1,84 @@ | |||
| 1 | Introduction | ||
| 2 | ============ | ||
| 3 | |||
| 4 | The more-sophisticated device-mapper targets require complex metadata | ||
| 5 | that is managed in kernel. In late 2010 we were seeing that various | ||
| 6 | different targets were rolling their own data strutures, for example: | ||
| 7 | |||
| 8 | - Mikulas Patocka's multisnap implementation | ||
| 9 | - Heinz Mauelshagen's thin provisioning target | ||
| 10 | - Another btree-based caching target posted to dm-devel | ||
| 11 | - Another multi-snapshot target based on a design of Daniel Phillips | ||
| 12 | |||
| 13 | Maintaining these data structures takes a lot of work, so if possible | ||
| 14 | we'd like to reduce the number. | ||
| 15 | |||
| 16 | The persistent-data library is an attempt to provide a re-usable | ||
| 17 | framework for people who want to store metadata in device-mapper | ||
| 18 | targets. It's currently used by the thin-provisioning target and an | ||
| 19 | upcoming hierarchical storage target. | ||
| 20 | |||
| 21 | Overview | ||
| 22 | ======== | ||
| 23 | |||
| 24 | The main documentation is in the header files which can all be found | ||
| 25 | under drivers/md/persistent-data. | ||
| 26 | |||
| 27 | The block manager | ||
| 28 | ----------------- | ||
| 29 | |||
| 30 | dm-block-manager.[hc] | ||
| 31 | |||
| 32 | This provides access to the data on disk in fixed sized-blocks. There | ||
| 33 | is a read/write locking interface to prevent concurrent accesses, and | ||
| 34 | keep data that is being used in the cache. | ||
| 35 | |||
| 36 | Clients of persistent-data are unlikely to use this directly. | ||
| 37 | |||
| 38 | The transaction manager | ||
| 39 | ----------------------- | ||
| 40 | |||
| 41 | dm-transaction-manager.[hc] | ||
| 42 | |||
| 43 | This restricts access to blocks and enforces copy-on-write semantics. | ||
| 44 | The only way you can get hold of a writable block through the | ||
| 45 | transaction manager is by shadowing an existing block (ie. doing | ||
| 46 | copy-on-write) or allocating a fresh one. Shadowing is elided within | ||
| 47 | the same transaction so performance is reasonable. The commit method | ||
| 48 | ensures that all data is flushed before it writes the superblock. | ||
| 49 | On power failure your metadata will be as it was when last committed. | ||
| 50 | |||
| 51 | The Space Maps | ||
| 52 | -------------- | ||
| 53 | |||
| 54 | dm-space-map.h | ||
| 55 | dm-space-map-metadata.[hc] | ||
| 56 | dm-space-map-disk.[hc] | ||
| 57 | |||
| 58 | On-disk data structures that keep track of reference counts of blocks. | ||
| 59 | Also acts as the allocator of new blocks. Currently two | ||
| 60 | implementations: a simpler one for managing blocks on a different | ||
| 61 | device (eg. thinly-provisioned data blocks); and one for managing | ||
| 62 | the metadata space. The latter is complicated by the need to store | ||
| 63 | its own data within the space it's managing. | ||
| 64 | |||
| 65 | The data structures | ||
| 66 | ------------------- | ||
| 67 | |||
| 68 | dm-btree.[hc] | ||
| 69 | dm-btree-remove.c | ||
| 70 | dm-btree-spine.c | ||
| 71 | dm-btree-internal.h | ||
| 72 | |||
| 73 | Currently there is only one data structure, a hierarchical btree. | ||
| 74 | There are plans to add more. For example, something with an | ||
| 75 | array-like interface would see a lot of use. | ||
| 76 | |||
| 77 | The btree is 'hierarchical' in that you can define it to be composed | ||
| 78 | of nested btrees, and take multiple keys. For example, the | ||
| 79 | thin-provisioning target uses a btree with two levels of nesting. | ||
| 80 | The first maps a device id to a mapping tree, and that in turn maps a | ||
| 81 | virtual block to a physical block. | ||
| 82 | |||
| 83 | Values stored in the btrees can have arbitrary size. Keys are always | ||
| 84 | 64bits, although nesting allows you to use multiple keys. | ||
| @@ -0,0 +1,285 @@ | |||
| 1 | Introduction | ||
| 2 | ============ | ||
| 3 | |||
| 4 | This document descibes a collection of device-mapper targets that | ||
| 5 | between them implement thin-provisioning and snapshots. | ||
| 6 | |||
| 7 | The main highlight of this implementation, compared to the previous | ||
| 8 | implementation of snapshots, is that it allows many virtual devices to | ||
| 9 | be stored on the same data volume. This simplifies administration and | ||
| 10 | allows the sharing of data between volumes, thus reducing disk usage. | ||
| 11 | |||
| 12 | Another significant feature is support for an arbitrary depth of | ||
| 13 | recursive snapshots (snapshots of snapshots of snapshots ...). The | ||
| 14 | previous implementation of snapshots did this by chaining together | ||
| 15 | lookup tables, and so performance was O(depth). This new | ||
| 16 | implementation uses a single data structure to avoid this degradation | ||
| 17 | with depth. Fragmentation may still be an issue, however, in some | ||
| 18 | scenarios. | ||
| 19 | |||
| 20 | Metadata is stored on a separate device from data, giving the | ||
| 21 | administrator some freedom, for example to: | ||
| 22 | |||
| 23 | - Improve metadata resilience by storing metadata on a mirrored volume | ||
| 24 | but data on a non-mirrored one. | ||
| 25 | |||
| 26 | - Improve performance by storing the metadata on SSD. | ||
| 27 | |||
| 28 | Status | ||
| 29 | ====== | ||
| 30 | |||
| 31 | These targets are very much still in the EXPERIMENTAL state. Please | ||
| 32 | do not yet rely on them in production. But do experiment and offer us | ||
| 33 | feedback. Different use cases will have different performance | ||
| 34 | characteristics, for example due to fragmentation of the data volume. | ||
| 35 | |||
| 36 | If you find this software is not performing as expected please mail | ||
| 37 | dm-devel@redhat.com with details and we'll try our best to improve | ||
| 38 | things for you. | ||
| 39 | |||
| 40 | Userspace tools for checking and repairing the metadata are under | ||
| 41 | development. | ||
| 42 | |||
| 43 | Cookbook | ||
| 44 | ======== | ||
| 45 | |||
| 46 | This section describes some quick recipes for using thin provisioning. | ||
| 47 | They use the dmsetup program to control the device-mapper driver | ||
| 48 | directly. End users will be advised to use a higher-level volume | ||
| 49 | manager such as LVM2 once support has been added. | ||
| 50 | |||
| 51 | Pool device | ||
| 52 | ----------- | ||
| 53 | |||
| 54 | The pool device ties together the metadata volume and the data volume. | ||
| 55 | It maps I/O linearly to the data volume and updates the metadata via | ||
| 56 | two mechanisms: | ||
| 57 | |||
| 58 | - Function calls from the thin targets | ||
| 59 | |||
| 60 | - Device-mapper 'messages' from userspace which control the creation of new | ||
| 61 | virtual devices amongst other things. | ||
| 62 | |||
| 63 | Setting up a fresh pool device | ||
| 64 | ------------------------------ | ||
| 65 | |||
| 66 | Setting up a pool device requires a valid metadata device, and a | ||
| 67 | data device. If you do not have an existing metadata device you can | ||
| 68 | make one by zeroing the first 4k to indicate empty metadata. | ||
| 69 | |||
| 70 | dd if=/dev/zero of=$metadata_dev bs=4096 count=1 | ||
| 71 | |||
| 72 | The amount of metadata you need will vary according to how many blocks | ||
| 73 | are shared between thin devices (i.e. through snapshots). If you have | ||
| 74 | less sharing than average you'll need a larger-than-average metadata device. | ||
| 75 | |||
| 76 | As a guide, we suggest you calculate the number of bytes to use in the | ||
| 77 | metadata device as 48 * $data_dev_size / $data_block_size but round it up | ||
| 78 | to 2MB if the answer is smaller. The largest size supported is 16GB. | ||
| 79 | |||
| 80 | If you're creating large numbers of snapshots which are recording large | ||
| 81 | amounts of change, you may need find you need to increase this. | ||
| 82 | |||
| 83 | Reloading a pool table | ||
| 84 | ---------------------- | ||
| 85 | |||
| 86 | You may reload a pool's table, indeed this is how the pool is resized | ||
| 87 | if it runs out of space. (N.B. While specifying a different metadata | ||
| 88 | device when reloading is not forbidden at the moment, things will go | ||
| 89 | wrong if it does not route I/O to exactly the same on-disk location as | ||
| 90 | previously.) | ||
| 91 | |||
| 92 | Using an existing pool device | ||
| 93 | ----------------------------- | ||
| 94 | |||
| 95 | dmsetup create pool \ | ||
| 96 | --table "0 20971520 thin-pool $metadata_dev $data_dev \ | ||
| 97 | $data_block_size $low_water_mark" | ||
| 98 | |||
| 99 | $data_block_size gives the smallest unit of disk space that can be | ||
| 100 | allocated at a time expressed in units of 512-byte sectors. People | ||
| 101 | primarily interested in thin provisioning may want to use a value such | ||
| 102 | as 1024 (512KB). People doing lots of snapshotting may want a smaller value | ||
| 103 | such as 128 (64KB). If you are not zeroing newly-allocated data, | ||
| 104 | a larger $data_block_size in the region of 256000 (128MB) is suggested. | ||
| 105 | $data_block_size must be the same for the lifetime of the | ||
| 106 | metadata device. | ||
| 107 | |||
| 108 | $low_water_mark is expressed in blocks of size $data_block_size. If | ||
| 109 | free space on the data device drops below this level then a dm event | ||
| 110 | will be triggered which a userspace daemon should catch allowing it to | ||
| 111 | extend the pool device. Only one such event will be sent. | ||
| 112 | Resuming a device with a new table itself triggers an event so the | ||
| 113 | userspace daemon can use this to detect a situation where a new table | ||
| 114 | already exceeds the threshold. | ||
| 115 | |||
| 116 | Thin provisioning | ||
| 117 | ----------------- | ||
| 118 | |||
| 119 | i) Creating a new thinly-provisioned volume. | ||
| 120 | |||
| 121 | To create a new thinly- provisioned volume you must send a message to an | ||
| 122 | active pool device, /dev/mapper/pool in this example. | ||
| 123 | |||
| 124 | dmsetup message /dev/mapper/pool 0 "create_thin 0" | ||
| 125 | |||
| 126 | Here '0' is an identifier for the volume, a 24-bit number. It's up | ||
| 127 | to the caller to allocate and manage these identifiers. If the | ||
| 128 | identifier is already in use, the message will fail with -EEXIST. | ||
| 129 | |||
| 130 | ii) Using a thinly-provisioned volume. | ||
| 131 | |||
| 132 | Thinly-provisioned volumes are activated using the 'thin' target: | ||
| 133 | |||
| 134 | dmsetup create thin --table "0 2097152 thin /dev/mapper/pool 0" | ||
| 135 | |||
| 136 | The last parameter is the identifier for the thinp device. | ||
| 137 | |||
| 138 | Internal snapshots | ||
| 139 | ------------------ | ||
| 140 | |||
| 141 | i) Creating an internal snapshot. | ||
| 142 | |||
| 143 | Snapshots are created with another message to the pool. | ||
| 144 | |||
| 145 | N.B. If the origin device that you wish to snapshot is active, you | ||
| 146 | must suspend it before creating the snapshot to avoid corruption. | ||
| 147 | This is NOT enforced at the moment, so please be careful! | ||
| 148 | |||
| 149 | dmsetup suspend /dev/mapper/thin | ||
| 150 | dmsetup message /dev/mapper/pool 0 "create_snap 1 0" | ||
| 151 | dmsetup resume /dev/mapper/thin | ||
| 152 | |||
| 153 | Here '1' is the identifier for the volume, a 24-bit number. '0' is the | ||
| 154 | identifier for the origin device. | ||
| 155 | |||
| 156 | ii) Using an internal snapshot. | ||
| 157 | |||
| 158 | Once created, the user doesn't have to worry about any connection | ||
| 159 | between the origin and the snapshot. Indeed the snapshot is no | ||
| 160 | different from any other thinly-provisioned device and can be | ||
| 161 | snapshotted itself via the same method. It's perfectly legal to | ||
| 162 | have only one of them active, and there's no ordering requirement on | ||
| 163 | activating or removing them both. (This differs from conventional | ||
| 164 | device-mapper snapshots.) | ||
| 165 | |||
| 166 | Activate it exactly the same way as any other thinly-provisioned volume: | ||
| 167 | |||
| 168 | dmsetup create snap --table "0 2097152 thin /dev/mapper/pool 1" | ||
| 169 | |||
| 170 | Deactivation | ||
| 171 | ------------ | ||
| 172 | |||
| 173 | All devices using a pool must be deactivated before the pool itself | ||
| 174 | can be. | ||
| 175 | |||
| 176 | dmsetup remove thin | ||
| 177 | dmsetup remove snap | ||
| 178 | dmsetup remove pool | ||
| 179 | |||
| 180 | Reference | ||
| 181 | ========= | ||
| 182 | |||
| 183 | 'thin-pool' target | ||
| 184 | ------------------ | ||
| 185 | |||
| 186 | i) Constructor | ||
| 187 | |||
| 188 | thin-pool <metadata dev> <data dev> <data block size (sectors)> \ | ||
| 189 | <low water mark (blocks)> [<number of feature args> [<arg>]*] | ||
| 190 | |||
| 191 | Optional feature arguments: | ||
| 192 | - 'skip_block_zeroing': skips the zeroing of newly-provisioned blocks. | ||
| 193 | |||
| 194 | Data block size must be between 64KB (128 sectors) and 1GB | ||
| 195 | (2097152 sectors) inclusive. | ||
| 196 | |||
| 197 | |||
| 198 | ii) Status | ||
| 199 | |||
| 200 | <transaction id> <used metadata blocks>/<total metadata blocks> | ||
| 201 | <used data blocks>/<total data blocks> <held metadata root> | ||
| 202 | |||
| 203 | |||
| 204 | transaction id: | ||
| 205 | A 64-bit number used by userspace to help synchronise with metadata | ||
| 206 | from volume managers. | ||
| 207 | |||
| 208 | used data blocks / total data blocks | ||
| 209 | If the number of free blocks drops below the pool's low water mark a | ||
| 210 | dm event will be sent to userspace. This event is edge-triggered and | ||
| 211 | it will occur only once after each resume so volume manager writers | ||
| 212 | should register for the event and then check the target's status. | ||
| 213 | |||
| 214 | held metadata root: | ||
| 215 | The location, in sectors, of the metadata root that has been | ||
| 216 | 'held' for userspace read access. '-' indicates there is no | ||
| 217 | held root. This feature is not yet implemented so '-' is | ||
| 218 | always returned. | ||
| 219 | |||
| 220 | iii) Messages | ||
| 221 | |||
| 222 | create_thin <dev id> | ||
| 223 | |||
| 224 | Create a new thinly-provisioned device. | ||
| 225 | <dev id> is an arbitrary unique 24-bit identifier chosen by | ||
| 226 | the caller. | ||
| 227 | |||
| 228 | create_snap <dev id> <origin id> | ||
| 229 | |||
| 230 | Create a new snapshot of another thinly-provisioned device. | ||
| 231 | <dev id> is an arbitrary unique 24-bit identifier chosen by | ||
| 232 | the caller. | ||
| 233 | <origin id> is the identifier of the thinly-provisioned device | ||
| 234 | of which the new device will be a snapshot. | ||
| 235 | |||
| 236 | delete <dev id> | ||
| 237 | |||
| 238 | Deletes a thin device. Irreversible. | ||
| 239 | |||
| 240 | trim <dev id> <new size in sectors> | ||
| 241 | |||
| 242 | Delete mappings from the end of a thin device. Irreversible. | ||
| 243 | You might want to use this if you're reducing the size of | ||
| 244 | your thinly-provisioned device. In many cases, due to the | ||
| 245 | sharing of blocks between devices, it is not possible to | ||
| 246 | determine in advance how much space 'trim' will release. (In | ||
| 247 | future a userspace tool might be able to perform this | ||
| 248 | calculation.) | ||
| 249 | |||
| 250 | set_transaction_id <current id> <new id> | ||
| 251 | |||
| 252 | Userland volume managers, such as LVM, need a way to | ||
| 253 | synchronise their external metadata with the internal metadata of the | ||
| 254 | pool target. The thin-pool target offers to store an | ||
| 255 | arbitrary 64-bit transaction id and return it on the target's | ||
| 256 | status line. To avoid races you must provide what you think | ||
| 257 | the current transaction id is when you change it with this | ||
| 258 | compare-and-swap message. | ||
| 259 | |||
| 260 | 'thin' target | ||
| 261 | ------------- | ||
| 262 | |||
| 263 | i) Constructor | ||
| 264 | |||
| 265 | thin <pool dev> <dev id> | ||
| 266 | |||
| 267 | pool dev: | ||
| 268 | the thin-pool device, e.g. /dev/mapper/my_pool or 253:0 | ||
| 269 | |||
| 270 | dev id: | ||
| 271 | the internal device identifier of the device to be | ||
| 272 | activated. | ||
| 273 | |||
| 274 | The pool doesn't store any size against the thin devices. If you | ||
| 275 | load a thin target that is smaller than you've been using previously, | ||
| 276 | then you'll have no access to blocks mapped beyond the end. If you | ||
| 277 | load a target that is bigger than before, then extra blocks will be | ||
| 278 | provisioned as and when needed. | ||
| 279 | |||
| 280 | If you wish to reduce the size of your thin device and potentially | ||
| 281 | regain some space then send the 'trim' message to the pool. | ||
| 282 | |||
| 283 | ii) Status | ||
| 284 | |||
| 285 | <nr mapped sectors> <highest mapped sector> | ||
| @@ -0,0 +1,8 @@ | |||
| 1 | Calxeda Highbank Platforms Device Tree Bindings | ||
| 2 | ----------------------------------------------- | ||
| 3 | |||
| 4 | Boards with Calxeda Cortex-A9 based Highbank SOC shall have the following | ||
| 5 | properties. | ||
| 6 | |||
| 7 | Required root node properties: | ||
| 8 | - compatible = "calxeda,highbank"; | ||
| @@ -0,0 +1,26 @@ | |||
| 1 | Freescale i.MX Platforms Device Tree Bindings | ||
| 2 | ----------------------------------------------- | ||
| 3 | |||
| 4 | i.MX51 Babbage Board | ||
| 5 | Required root node properties: | ||
| 6 | - compatible = "fsl,imx51-babbage", "fsl,imx51"; | ||
| 7 | |||
| 8 | i.MX53 Automotive Reference Design Board | ||
| 9 | Required root node properties: | ||
| 10 | - compatible = "fsl,imx53-ard", "fsl,imx53"; | ||
| 11 | |||
| 12 | i.MX53 Evaluation Kit | ||
| 13 | Required root node properties: | ||
| 14 | - compatible = "fsl,imx53-evk", "fsl,imx53"; | ||
| 15 | |||
| 16 | i.MX53 Quick Start Board | ||
| 17 | Required root node properties: | ||
| 18 | - compatible = "fsl,imx53-qsb", "fsl,imx53"; | ||
| 19 | |||
| 20 | i.MX53 Smart Mobile Reference Design Board | ||
| 21 | Required root node properties: | ||
| 22 | - compatible = "fsl,imx53-smd", "fsl,imx53"; | ||
| 23 | |||
| 24 | i.MX6 Quad SABRE Automotive Board | ||
| 25 | Required root node properties: | ||
| 26 | - compatible = "fsl,imx6q-sabreauto", "fsl,imx6q"; | ||
| @@ -0,0 +1,55 @@ | |||
| 1 | * ARM Generic Interrupt Controller | ||
| 2 | |||
| 3 | ARM SMP cores are often associated with a GIC, providing per processor | ||
| 4 | interrupts (PPI), shared processor interrupts (SPI) and software | ||
| 5 | generated interrupts (SGI). | ||
| 6 | |||
| 7 | Primary GIC is attached directly to the CPU and typically has PPIs and SGIs. | ||
| 8 | Secondary GICs are cascaded into the upward interrupt controller and do not | ||
| 9 | have PPIs or SGIs. | ||
| 10 | |||
| 11 | Main node required properties: | ||
| 12 | |||
| 13 | - compatible : should be one of: | ||
| 14 | "arm,cortex-a9-gic" | ||
| 15 | "arm,arm11mp-gic" | ||
| 16 | - interrupt-controller : Identifies the node as an interrupt controller | ||
| 17 | - #interrupt-cells : Specifies the number of cells needed to encode an | ||
| 18 | interrupt source. The type shall be a <u32> and the value shall be 3. | ||
| 19 | |||
| 20 | The 1st cell is the interrupt type; 0 for SPI interrupts, 1 for PPI | ||
| 21 | interrupts. | ||
| 22 | |||
| 23 | The 2nd cell contains the interrupt number for the interrupt type. | ||
| 24 | SPI interrupts are in the range [0-987]. PPI interrupts are in the | ||
| 25 | range [0-15]. | ||
| 26 | |||
| 27 | The 3rd cell is the flags, encoded as follows: | ||
| 28 | bits[3:0] trigger type and level flags. | ||
| 29 | 1 = low-to-high edge triggered | ||
| 30 | 2 = high-to-low edge triggered | ||
| 31 | 4 = active high level-sensitive | ||
| 32 | 8 = active low level-sensitive | ||
| 33 | bits[15:8] PPI interrupt cpu mask. Each bit corresponds to each of | ||
| 34 | the 8 possible cpus attached to the GIC. A bit set to '1' indicated | ||
| 35 | the interrupt is wired to that CPU. Only valid for PPI interrupts. | ||
| 36 | |||
| 37 | - reg : Specifies base physical address(s) and size of the GIC registers. The | ||
| 38 | first region is the GIC distributor register base and size. The 2nd region is | ||
| 39 | the GIC cpu interface register base and size. | ||
| 40 | |||
| 41 | Optional | ||
| 42 | - interrupts : Interrupt source of the parent interrupt controller. Only | ||
| 43 | present on secondary GICs. | ||
| 44 | |||
| 45 | Example: | ||
| 46 | |||
| 47 | intc: interrupt-controller@fff11000 { | ||
| 48 | compatible = "arm,cortex-a9-gic"; | ||
| 49 | #interrupt-cells = <3>; | ||
| 50 | #address-cells = <1>; | ||
| 51 | interrupt-controller; | ||
| 52 | reg = <0xfff11000 0x1000>, | ||
| 53 | <0xfff10100 0x100>; | ||
| 54 | }; | ||
| 55 | |||
| @@ -0,0 +1,14 @@ | |||
| 1 | * TI - DSP (Digital Signal Processor) | ||
| 2 | |||
| 3 | TI DSP included in OMAP SoC | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible : Should be "ti,omap3-c64" for OMAP3 & 4 | ||
| 7 | - ti,hwmods: "dsp" | ||
| 8 | |||
| 9 | Examples: | ||
| 10 | |||
| 11 | dsp { | ||
| 12 | compatible = "ti,omap3-c64"; | ||
| 13 | ti,hwmods = "dsp"; | ||
| 14 | }; | ||
| @@ -0,0 +1,19 @@ | |||
| 1 | * TI - IVA (Imaging and Video Accelerator) subsystem | ||
| 2 | |||
| 3 | The IVA contain various audio, video or imaging HW accelerator | ||
| 4 | depending of the version. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : Should be: | ||
| 8 | - "ti,ivahd" for OMAP4 | ||
| 9 | - "ti,iva2.2" for OMAP3 | ||
| 10 | - "ti,iva2.1" for OMAP2430 | ||
| 11 | - "ti,iva1" for OMAP2420 | ||
| 12 | - ti,hwmods: "iva" | ||
| 13 | |||
| 14 | Examples: | ||
| 15 | |||
| 16 | iva { | ||
| 17 | compatible = "ti,ivahd", "ti,iva"; | ||
| 18 | ti,hwmods = "iva"; | ||
| 19 | }; | ||
| @@ -0,0 +1,19 @@ | |||
| 1 | * TI - L3 Network On Chip (NoC) | ||
| 2 | |||
| 3 | This version is an implementation of the generic NoC IP | ||
| 4 | provided by Arteris. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : Should be "ti,omap3-l3-smx" for OMAP3 family | ||
| 8 | Should be "ti,omap4-l3-noc" for OMAP4 family | ||
| 9 | - ti,hwmods: "l3_main_1", ... One hwmod for each noc domain. | ||
| 10 | |||
| 11 | Examples: | ||
| 12 | |||
| 13 | ocp { | ||
| 14 | compatible = "ti,omap4-l3-noc", "simple-bus"; | ||
| 15 | #address-cells = <1>; | ||
| 16 | #size-cells = <1>; | ||
| 17 | ranges; | ||
| 18 | ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; | ||
| 19 | }; | ||
| @@ -0,0 +1,27 @@ | |||
| 1 | * TI - MPU (Main Processor Unit) subsystem | ||
| 2 | |||
| 3 | The MPU subsystem contain one or several ARM cores | ||
| 4 | depending of the version. | ||
| 5 | The MPU contain CPUs, GIC, L2 cache and a local PRCM. | ||
| 6 | |||
| 7 | Required properties: | ||
| 8 | - compatible : Should be "ti,omap3-mpu" for OMAP3 | ||
| 9 | Should be "ti,omap4-mpu" for OMAP4 | ||
| 10 | - ti,hwmods: "mpu" | ||
| 11 | |||
| 12 | Examples: | ||
| 13 | |||
| 14 | - For an OMAP4 SMP system: | ||
| 15 | |||
| 16 | mpu { | ||
| 17 | compatible = "ti,omap4-mpu"; | ||
| 18 | ti,hwmods = "mpu"; | ||
| 19 | }; | ||
| 20 | |||
| 21 | |||
| 22 | - For an OMAP3 monocore system: | ||
| 23 | |||
| 24 | mpu { | ||
| 25 | compatible = "ti,omap3-mpu"; | ||
| 26 | ti,hwmods = "mpu"; | ||
| 27 | }; | ||
| @@ -0,0 +1,43 @@ | |||
| 1 | * Texas Instruments OMAP | ||
| 2 | |||
| 3 | OMAP is currently using a static file per SoC family to describe the | ||
| 4 | IPs present in the SoC. | ||
| 5 | On top of that an omap_device is created to extend the platform_device | ||
| 6 | capabilities and to allow binding with one or several hwmods. | ||
| 7 | The hwmods will contain all the information to build the device: | ||
| 8 | adresse range, irq lines, dma lines, interconnect, PRCM register, | ||
| 9 | clock domain, input clocks. | ||
| 10 | For the moment just point to the existing hwmod, the next step will be | ||
| 11 | to move data from hwmod to device-tree representation. | ||
| 12 | |||
| 13 | |||
| 14 | Required properties: | ||
| 15 | - compatible: Every devices present in OMAP SoC should be in the | ||
| 16 | form: "ti,XXX" | ||
| 17 | - ti,hwmods: list of hwmod names (ascii strings), that comes from the OMAP | ||
| 18 | HW documentation, attached to a device. Must contain at least | ||
| 19 | one hwmod. | ||
| 20 | |||
| 21 | Optional properties: | ||
| 22 | - ti,no_idle_on_suspend: When present, it prevents the PM to idle the module | ||
| 23 | during suspend. | ||
| 24 | |||
| 25 | |||
| 26 | Example: | ||
| 27 | |||
| 28 | spinlock@1 { | ||
| 29 | compatible = "ti,omap4-spinlock"; | ||
| 30 | ti,hwmods = "spinlock"; | ||
| 31 | }; | ||
| 32 | |||
| 33 | |||
| 34 | Boards: | ||
| 35 | |||
| 36 | - OMAP3 BeagleBoard : Low cost community board | ||
| 37 | compatible = "ti,omap3-beagle", "ti,omap3" | ||
| 38 | |||
| 39 | - OMAP4 SDP : Software Developement Board | ||
| 40 | compatible = "ti,omap4-sdp", "ti,omap4430" | ||
| 41 | |||
| 42 | - OMAP4 PandaBoard : Low cost community board | ||
| 43 | compatible = "ti,omap4-panda", "ti,omap4430" | ||
| @@ -0,0 +1,24 @@ | |||
| 1 | Picochip picoXcell device tree bindings. | ||
| 2 | ======================================== | ||
| 3 | |||
| 4 | Required root node properties: | ||
| 5 | - compatible: | ||
| 6 | - "picochip,pc7302-pc3x3" : PC7302 development board with PC3X3 device. | ||
| 7 | - "picochip,pc7302-pc3x2" : PC7302 development board with PC3X2 device. | ||
| 8 | - "picochip,pc3x3" : picoXcell PC3X3 device based board. | ||
| 9 | - "picochip,pc3x2" : picoXcell PC3X2 device based board. | ||
| 10 | |||
| 11 | Timers required properties: | ||
| 12 | - compatible = "picochip,pc3x2-timer" | ||
| 13 | - interrupts : The single IRQ line for the timer. | ||
| 14 | - clock-freq : The frequency in HZ of the timer. | ||
| 15 | - reg : The register bank for the timer. | ||
| 16 | |||
| 17 | Note: two timers are required - one for the scheduler clock and one for the | ||
| 18 | event tick/NOHZ. | ||
| 19 | |||
| 20 | VIC required properties: | ||
| 21 | - compatible = "arm,pl192-vic". | ||
| 22 | - interrupt-controller. | ||
| 23 | - reg : The register bank for the device. | ||
| 24 | - #interrupt-cells : Must be 1. | ||
| @@ -6,7 +6,9 @@ driver matching. · 5 unmodified lines | |||
| 6 | 6 | ||
| 7 | Required properties: | 7 | Required properties: |
| 8 | 8 | ||
| 9 | - compatible : should be a specific value for peripheral and "arm,primecell" | 9 | - compatible : should be a specific name for the peripheral and |
| 10 | "arm,primecell". The specific name will match the ARM | ||
| 11 | engineering name for the logic block in the form: "arm,pl???" | ||
| 10 | 12 | ||
| 11 | Optional properties: | 13 | Optional properties: |
| 12 | 14 | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | * Calxeda SATA Controller | ||
| 2 | |||
| 3 | SATA nodes are defined to describe on-chip Serial ATA controllers. | ||
| 4 | Each SATA controller should have its own node. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : compatible list, contains "calxeda,hb-ahci" | ||
| 8 | - interrupts : <interrupt mapping for SATA IRQ> | ||
| 9 | - reg : <registers mapping> | ||
| 10 | |||
| 11 | Example: | ||
| 12 | sata@ffe08000 { | ||
| 13 | compatible = "calxeda,hb-ahci"; | ||
| 14 | reg = <0xffe08000 0x1000>; | ||
| 15 | interrupts = <115>; | ||
| 16 | }; | ||
| 17 | |||
| @@ -0,0 +1,23 @@ | |||
| 1 | Picochip picoXcell SPAcc (Security Protocol Accelerator) bindings | ||
| 2 | |||
| 3 | Picochip picoXcell devices contain crypto offload engines that may be used for | ||
| 4 | IPSEC and femtocell layer 2 ciphering. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : "picochip,spacc-ipsec" for the IPSEC offload engine | ||
| 8 | "picochip,spacc-l2" for the femtocell layer 2 ciphering engine. | ||
| 9 | - reg : Offset and length of the register set for this device | ||
| 10 | - interrupt-parent : The interrupt controller that controls the SPAcc | ||
| 11 | interrupt. | ||
| 12 | - interrupts : The interrupt line from the SPAcc. | ||
| 13 | - ref-clock : The input clock that drives the SPAcc. | ||
| 14 | |||
| 15 | Example SPAcc node: | ||
| 16 | |||
| 17 | spacc@10000 { | ||
| 18 | compatible = "picochip,spacc-ipsec"; | ||
| 19 | reg = <0x100000 0x10000>; | ||
| 20 | interrupt-parent = <&vic0>; | ||
| 21 | interrupts = <24>; | ||
| 22 | ref-clock = <&ipsec_clk>, "ref"; | ||
| 23 | }; | ||
| @@ -0,0 +1,10 @@ | |||
| 1 | ARM PL061 GPIO controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "arm,pl061", "arm,primecell" | ||
| 5 | - #gpio-cells : Should be two. The first cell is the pin number and the | ||
| 6 | second cell is used to specify optional parameters: | ||
| 7 | - bit 0 specifies polarity (0 for normal, 1 for inverted) | ||
| 8 | - gpio-controller : Marks the device node as a GPIO controller. | ||
| 9 | - interrupts : Interrupt mapping for GPIO IRQ. | ||
| 10 | |||
| @@ -0,0 +1,25 @@ | |||
| 1 | * Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be "fsl,<chip>-i2c" | ||
| 5 | - reg : Should contain I2C/HS-I2C registers location and length | ||
| 6 | - interrupts : Should contain I2C/HS-I2C interrupt | ||
| 7 | |||
| 8 | Optional properties: | ||
| 9 | - clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. | ||
| 10 | The absence of the propoerty indicates the default frequency 100 kHz. | ||
| 11 | |||
| 12 | Examples: | ||
| 13 | |||
| 14 | i2c@83fc4000 { /* I2C2 on i.MX51 */ | ||
| 15 | compatible = "fsl,imx51-i2c", "fsl,imx1-i2c"; | ||
| 16 | reg = <0x83fc4000 0x4000>; | ||
| 17 | interrupts = <63>; | ||
| 18 | }; | ||
| 19 | |||
| 20 | i2c@70038000 { /* HS-I2C on i.MX51 */ | ||
| 21 | compatible = "fsl,imx51-i2c", "fsl,imx1-i2c"; | ||
| 22 | reg = <0x70038000 0x4000>; | ||
| 23 | interrupts = <64>; | ||
| 24 | clock-frequency = <400000>; | ||
| 25 | }; | ||
| @@ -0,0 +1,39 @@ | |||
| 1 | * Samsung's I2C controller | ||
| 2 | |||
| 3 | The Samsung's I2C controller is used to interface with I2C devices. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible: value should be either of the following. | ||
| 7 | (a) "samsung, s3c2410-i2c", for i2c compatible with s3c2410 i2c. | ||
| 8 | (b) "samsung, s3c2440-i2c", for i2c compatible with s3c2440 i2c. | ||
| 9 | - reg: physical base address of the controller and length of memory mapped | ||
| 10 | region. | ||
| 11 | - interrupts: interrupt number to the cpu. | ||
| 12 | - samsung,i2c-sda-delay: Delay (in ns) applied to data line (SDA) edges. | ||
| 13 | - gpios: The order of the gpios should be the following: <SDA, SCL>. | ||
| 14 | The gpio specifier depends on the gpio controller. | ||
| 15 | |||
| 16 | Optional properties: | ||
| 17 | - samsung,i2c-slave-addr: Slave address in multi-master enviroment. If not | ||
| 18 | specified, default value is 0. | ||
| 19 | - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not | ||
| 20 | specified, the default value in Hz is 100000. | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | i2c@13870000 { | ||
| 25 | compatible = "samsung,s3c2440-i2c"; | ||
| 26 | reg = <0x13870000 0x100>; | ||
| 27 | interrupts = <345>; | ||
| 28 | samsung,i2c-sda-delay = <100>; | ||
| 29 | samsung,i2c-max-bus-freq = <100000>; | ||
| 30 | gpios = <&gpd1 2 0 /* SDA */ | ||
| 31 | &gpd1 3 0 /* SCL */>; | ||
| 32 | #address-cells = <1>; | ||
| 33 | #size-cells = <0>; | ||
| 34 | |||
| 35 | wm8994@1a { | ||
| 36 | compatible = "wlf,wm8994"; | ||
| 37 | reg = <0x1a>; | ||
| 38 | }; | ||
| 39 | }; | ||
| @@ -0,0 +1,27 @@ | |||
| 1 | * NVIDIA Tegra Secure Digital Host Controller | ||
| 2 | |||
| 3 | This controller on Tegra family SoCs provides an interface for MMC, SD, | ||
| 4 | and SDIO types of memory cards. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : Should be "nvidia,<chip>-sdhci" | ||
| 8 | - reg : Should contain SD/MMC registers location and length | ||
| 9 | - interrupts : Should contain SD/MMC interrupt | ||
| 10 | |||
| 11 | Optional properties: | ||
| 12 | - cd-gpios : Specify GPIOs for card detection | ||
| 13 | - wp-gpios : Specify GPIOs for write protection | ||
| 14 | - power-gpios : Specify GPIOs for power control | ||
| 15 | - support-8bit : Boolean, indicates if 8-bit mode should be used. | ||
| 16 | |||
| 17 | Example: | ||
| 18 | |||
| 19 | sdhci@c8000200 { | ||
| 20 | compatible = "nvidia,tegra20-sdhci"; | ||
| 21 | reg = <0xc8000200 0x200>; | ||
| 22 | interrupts = <47>; | ||
| 23 | cd-gpios = <&gpio 69 0>; /* gpio PI5 */ | ||
| 24 | wp-gpios = <&gpio 57 0>; /* gpio PH1 */ | ||
| 25 | power-gpios = <&gpio 155 0>; /* gpio PT3 */ | ||
| 26 | support-8bit; | ||
| 27 | }; | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | * Atmel Data Flash | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "atmel,<model>", "atmel,<series>", "atmel,dataflash". | ||
| 5 | |||
| 6 | Example: | ||
| 7 | |||
| 8 | flash@1 { | ||
| 9 | #address-cells = <1>; | ||
| 10 | #size-cells = <1>; | ||
| 11 | compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash"; | ||
| 12 | spi-max-frequency = <25000000>; | ||
| 13 | reg = <1>; | ||
| 14 | }; | ||
| @@ -1,61 +1,24 @@ | |||
| 1 | CAN Device Tree Bindings | 1 | Flexcan CAN contoller on Freescale's ARM and PowerPC system-on-a-chip (SOC). |
| 2 | ------------------------ | ||
| 3 | 2011 Freescale Semiconductor, Inc. | ||
| 4 | 2 | ||
| 5 | fsl,flexcan-v1.0 nodes | 3 | Required properties: |
| 6 | ----------------------- | ||
| 7 | In addition to the required compatible-, reg- and interrupt-properties, you can | ||
| 8 | also specify which clock source shall be used for the controller. | ||
| 9 | 4 | ||
| 10 | CPI Clock- Can Protocol Interface Clock | 5 | - compatible : Should be "fsl,<processor>-flexcan" |
| 11 | This CLK_SRC bit of CTRL(control register) selects the clock source to | ||
| 12 | the CAN Protocol Interface(CPI) to be either the peripheral clock | ||
| 13 | (driven by the PLL) or the crystal oscillator clock. The selected clock | ||
| 14 | is the one fed to the prescaler to generate the Serial Clock (Sclock). | ||
| 15 | The PRESDIV field of CTRL(control register) controls a prescaler that | ||
| 16 | generates the Serial Clock (Sclock), whose period defines the | ||
| 17 | time quantum used to compose the CAN waveform. | ||
| 18 | 6 | ||
| 19 | Can Engine Clock Source | 7 | An implementation should also claim any of the following compatibles |
| 20 | There are two sources for CAN clock | 8 | that it is fully backwards compatible with: |
| 21 | - Platform Clock It represents the bus clock | ||
| 22 | - Oscillator Clock | ||
| 23 | 9 | ||
| 24 | Peripheral Clock (PLL) | 10 | - fsl,p1010-flexcan |
| 25 | -------------- | ||
| 26 | | | ||
| 27 | --------- ------------- | ||
| 28 | | |CPI Clock | Prescaler | Sclock | ||
| 29 | | |---------------->| (1.. 256) |------------> | ||
| 30 | --------- ------------- | ||
| 31 | | | | ||
| 32 | -------------- ---------------------CLK_SRC | ||
| 33 | Oscillator Clock | ||
| 34 | 11 | ||
| 35 | - fsl,flexcan-clock-source : CAN Engine Clock Source.This property selects | 12 | - reg : Offset and length of the register set for this device |
| 36 | the peripheral clock. PLL clock is fed to the | 13 | - interrupts : Interrupt tuple for this device |
| 37 | prescaler to generate the Serial Clock (Sclock). | 14 | - clock-frequency : The oscillator frequency driving the flexcan device |
| 38 | Valid values are "oscillator" and "platform" | ||
| 39 | "oscillator": CAN engine clock source is oscillator clock. | ||
| 40 | "platform" The CAN engine clock source is the bus clock | ||
| 41 | (platform clock). | ||
| 42 | 15 | ||
| 43 | - fsl,flexcan-clock-divider : for the reference and system clock, an additional | 16 | Example: |
| 44 | clock divider can be specified. | ||
| 45 | - clock-frequency: frequency required to calculate the bitrate for FlexCAN. | ||
| 46 | 17 | ||
| 47 | Note: | 18 | can@1c000 { |
| 48 | - v1.0 of flexcan-v1.0 represent the IP block version for P1010 SOC. | 19 | compatible = "fsl,p1010-flexcan"; |
| 49 | - P1010 does not have oscillator as the Clock Source.So the default | ||
| 50 | Clock Source is platform clock. | ||
| 51 | Examples: | ||
| 52 | |||
| 53 | can0@1c000 { | ||
| 54 | compatible = "fsl,flexcan-v1.0"; | ||
| 55 | reg = <0x1c000 0x1000>; | 20 | reg = <0x1c000 0x1000>; |
| 56 | interrupts = <48 0x2>; | 21 | interrupts = <48 0x2>; |
| 57 | interrupt-parent = <&mpic>; | 22 | interrupt-parent = <&mpic>; |
| 58 | fsl,flexcan-clock-source = "platform"; | 23 | clock-frequency = <200000000>; // filled in by bootloader |
| 59 | fsl,flexcan-clock-divider = <2>; | ||
| 60 | clock-frequency = <fixed by u-boot>; | ||
| 61 | }; | 24 | }; |
| @@ -0,0 +1,38 @@ | |||
| 1 | * Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be "smsc,lan<model>", "smsc,lan9115" | ||
| 5 | - reg : Address and length of the io space for SMSC LAN | ||
| 6 | - interrupts : Should contain SMSC LAN interrupt line | ||
| 7 | - interrupt-parent : Should be the phandle for the interrupt controller | ||
| 8 | that services interrupts for this device | ||
| 9 | - phy-mode : String, operation mode of the PHY interface. | ||
| 10 | Supported values are: "mii", "gmii", "sgmii", "tbi", "rmii", | ||
| 11 | "rgmii", "rgmii-id", "rgmii-rxid", "rgmii-txid", "rtbi", "smii". | ||
| 12 | |||
| 13 | Optional properties: | ||
| 14 | - reg-shift : Specify the quantity to shift the register offsets by | ||
| 15 | - reg-io-width : Specify the size (in bytes) of the IO accesses that | ||
| 16 | should be performed on the device. Valid value for SMSC LAN is | ||
| 17 | 2 or 4. If it's omitted or invalid, the size would be 2. | ||
| 18 | - smsc,irq-active-high : Indicates the IRQ polarity is active-high | ||
| 19 | - smsc,irq-push-pull : Indicates the IRQ type is push-pull | ||
| 20 | - smsc,force-internal-phy : Forces SMSC LAN controller to use | ||
| 21 | internal PHY | ||
| 22 | - smsc,force-external-phy : Forces SMSC LAN controller to use | ||
| 23 | external PHY | ||
| 24 | - smsc,save-mac-address : Indicates that mac address needs to be saved | ||
| 25 | before resetting the controller | ||
| 26 | - local-mac-address : 6 bytes, mac address | ||
| 27 | |||
| 28 | Examples: | ||
| 29 | |||
| 30 | lan9220@f4000000 { | ||
| 31 | compatible = "smsc,lan9220", "smsc,lan9115"; | ||
| 32 | reg = <0xf4000000 0x2000000>; | ||
| 33 | phy-mode = "mii"; | ||
| 34 | interrupt-parent = <&gpio1>; | ||
| 35 | interrupts = <31>; | ||
| 36 | reg-io-width = <4>; | ||
| 37 | smsc,irq-push-pull; | ||
| 38 | }; | ||
| @@ -0,0 +1,5 @@ | |||
| 1 | NVIDIA Tegra 2 pinmux controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "nvidia,tegra20-pinmux" | ||
| 5 | |||
| @@ -1,3 +1,8 @@ | |||
| 1 | Freescale Reference Board Bindings | ||
| 2 | |||
| 3 | This document describes device tree bindings for various devices that | ||
| 4 | exist on some Freescale reference boards. | ||
| 5 | |||
| 1 | * Board Control and Status (BCSR) | 6 | * Board Control and Status (BCSR) |
| 2 | 7 | ||
| 3 | Required properties: | 8 | Required properties: |
| @@ -12,25 +17,26 @@ Example: · 8 unmodified lines | |||
| 12 | reg = <f8000000 8000>; | 17 | reg = <f8000000 8000>; |
| 13 | }; | 18 | }; |
| 14 | 19 | ||
| 15 | * Freescale on board FPGA | 20 | * Freescale on-board FPGA |
| 16 | 21 | ||
| 17 | This is the memory-mapped registers for on board FPGA. | 22 | This is the memory-mapped registers for on board FPGA. |
| 18 | 23 | ||
| 19 | Required properities: | 24 | Required properities: |
| 20 | - compatible : should be "fsl,fpga-pixis". | 25 | - compatible: should be a board-specific string followed by a string |
| 21 | - reg : should contain the address and the length of the FPPGA register | 26 | indicating the type of FPGA. Example: |
| 22 | set. | 27 | "fsl,<board>-fpga", "fsl,fpga-pixis" |
| 28 | - reg: should contain the address and the length of the FPGA register set. | ||
| 23 | - interrupt-parent: should specify phandle for the interrupt controller. | 29 | - interrupt-parent: should specify phandle for the interrupt controller. |
| 24 | - interrupts : should specify event (wakeup) IRQ. | 30 | - interrupts: should specify event (wakeup) IRQ. |
| 25 | 31 | ||
| 26 | Example (MPC8610HPCD): | 32 | Example (P1022DS): |
| 27 | 33 | ||
| 28 | board-control@e8000000 { | 34 | board-control@3,0 { |
| 29 | compatible = "fsl,fpga-pixis"; | 35 | compatible = "fsl,p1022ds-fpga", "fsl,fpga-ngpixis"; |
| 30 | reg = <0xe8000000 32>; | 36 | reg = <3 0 0x30>; |
| 31 | interrupt-parent = <&mpic>; | 37 | interrupt-parent = <&mpic>; |
| 32 | interrupts = <8 8>; | 38 | interrupts = <8 8 0 0>; |
| 33 | }; | 39 | }; |
| 34 | 40 | ||
| 35 | * Freescale BCSR GPIO banks | 41 | * Freescale BCSR GPIO banks |
| 36 | 42 | ||
| @@ -0,0 +1,395 @@ | |||
| 1 | =================================================================== | ||
| 2 | Debug Control and Status Register (DCSR) Binding | ||
| 3 | Copyright 2011 Freescale Semiconductor Inc. | ||
| 4 | |||
| 5 | NOTE: The bindings described in this document are preliminary and subject | ||
| 6 | to change. Some of the compatible strings that contain only generic names | ||
| 7 | may turn out to be inappropriate, or need additional properties to describe | ||
| 8 | the integration of the block with the rest of the chip. | ||
| 9 | |||
| 10 | ===================================================================== | ||
| 11 | Debug Control and Status Register Memory Map | ||
| 12 | |||
| 13 | Description | ||
| 14 | |||
| 15 | This node defines the base address and range for the | ||
| 16 | defined DCSR Memory Map. Child nodes will describe the individual | ||
| 17 | debug blocks defined within this memory space. | ||
| 18 | |||
| 19 | PROPERTIES | ||
| 20 | |||
| 21 | - compatible | ||
| 22 | Usage: required | ||
| 23 | Value type: <string> | ||
| 24 | Definition: Must include "fsl,dcsr" and "simple-bus". | ||
| 25 | The DCSR space exists in the memory-mapped bus. | ||
| 26 | |||
| 27 | - #address-cells | ||
| 28 | Usage: required | ||
| 29 | Value type: <u32> | ||
| 30 | Definition: A standard property. Defines the number of cells | ||
| 31 | or representing physical addresses in child nodes. | ||
| 32 | |||
| 33 | - #size-cells | ||
| 34 | Usage: required | ||
| 35 | Value type: <u32> | ||
| 36 | Definition: A standard property. Defines the number of cells | ||
| 37 | or representing the size of physical addresses in | ||
| 38 | child nodes. | ||
| 39 | |||
| 40 | - ranges | ||
| 41 | Usage: required | ||
| 42 | Value type: <prop-encoded-array> | ||
| 43 | Definition: A standard property. Specifies the physical address | ||
| 44 | range of the DCSR space. | ||
| 45 | |||
| 46 | EXAMPLE | ||
| 47 | dcsr: dcsr@f00000000 { | ||
| 48 | #address-cells = <1>; | ||
| 49 | #size-cells = <1>; | ||
| 50 | compatible = "fsl,dcsr", "simple-bus"; | ||
| 51 | ranges = <0x00000000 0xf 0x00000000 0x01008000>; | ||
| 52 | }; | ||
| 53 | |||
| 54 | ===================================================================== | ||
| 55 | Event Processing Unit | ||
| 56 | |||
| 57 | This node represents the region of DCSR space allocated to the EPU | ||
| 58 | |||
| 59 | PROPERTIES | ||
| 60 | |||
| 61 | - compatible | ||
| 62 | Usage: required | ||
| 63 | Value type: <string> | ||
| 64 | Definition: Must include "fsl,dcsr-epu" | ||
| 65 | |||
| 66 | - interrupts | ||
| 67 | Usage: required | ||
| 68 | Value type: <prop_encoded-array> | ||
| 69 | Definition: Specifies the interrupts generated by the EPU. | ||
| 70 | The value of the interrupts property consists of three | ||
| 71 | interrupt specifiers. The format of the specifier is defined | ||
| 72 | by the binding document describing the node's interrupt parent. | ||
| 73 | |||
| 74 | The EPU counters can be configured to assert the performance | ||
| 75 | monitor interrupt signal based on either counter overflow or value | ||
| 76 | match. Which counter asserted the interrupt is captured in an EPU | ||
| 77 | Counter Interrupt Status Register (EPCPUISR). | ||
| 78 | |||
| 79 | The EPU unit can also be configured to assert either or both of | ||
| 80 | two interrupt signals based on debug event sources within the SoC. | ||
| 81 | The interrupt signals are epu_xt_int0 and epu_xt_int1. | ||
| 82 | Which event source asserted the interrupt is captured in an EPU | ||
| 83 | Interrupt Status Register (EPISR0,EPISR1). | ||
| 84 | |||
| 85 | Interrupt numbers are lised in order (perfmon, event0, event1). | ||
| 86 | |||
| 87 | - interrupt-parent | ||
| 88 | Usage: required | ||
| 89 | Value type: <phandle> | ||
| 90 | Definition: A single <phandle> value that points | ||
| 91 | to the interrupt parent to which the child domain | ||
| 92 | is being mapped. Value must be "&mpic" | ||
| 93 | |||
| 94 | - reg | ||
| 95 | Usage: required | ||
| 96 | Value type: <prop-encoded-array> | ||
| 97 | Definition: A standard property. Specifies the physical address | ||
| 98 | offset and length of the DCSR space registers of the device | ||
| 99 | configuration block. | ||
| 100 | |||
| 101 | EXAMPLE | ||
| 102 | dcsr-epu@0 { | ||
| 103 | compatible = "fsl,dcsr-epu"; | ||
| 104 | interrupts = <52 2 0 0 | ||
| 105 | 84 2 0 0 | ||
| 106 | 85 2 0 0>; | ||
| 107 | interrupt-parent = <&mpic>; | ||
| 108 | reg = <0x0 0x1000>; | ||
| 109 | }; | ||
| 110 | |||
| 111 | ======================================================================= | ||
| 112 | Nexus Port Controller | ||
| 113 | |||
| 114 | This node represents the region of DCSR space allocated to the NPC | ||
| 115 | |||
| 116 | PROPERTIES | ||
| 117 | |||
| 118 | - compatible | ||
| 119 | Usage: required | ||
| 120 | Value type: <string> | ||
| 121 | Definition: Must include "fsl,dcsr-npc" | ||
| 122 | |||
| 123 | - reg | ||
| 124 | Usage: required | ||
| 125 | Value type: <prop-encoded-array> | ||
| 126 | Definition: A standard property. Specifies the physical address | ||
| 127 | offset and length of the DCSR space registers of the device | ||
| 128 | configuration block. | ||
| 129 | The Nexus Port controller occupies two regions in the DCSR space | ||
| 130 | with distinct functionality. | ||
| 131 | |||
| 132 | The first register range describes the Nexus Port Controller | ||
| 133 | control and status registers. | ||
| 134 | |||
| 135 | The second register range describes the Nexus Port Controller | ||
| 136 | internal trace buffer. The NPC trace buffer is a small memory buffer | ||
| 137 | which stages the nexus trace data for transmission via the Aurora port | ||
| 138 | or to a DDR based trace buffer. In some configurations the NPC trace | ||
| 139 | buffer can be the only trace buffer used. | ||
| 140 | |||
| 141 | |||
| 142 | EXAMPLE | ||
| 143 | dcsr-npc { | ||
| 144 | compatible = "fsl,dcsr-npc"; | ||
| 145 | reg = <0x1000 0x1000 0x1000000 0x8000>; | ||
| 146 | }; | ||
| 147 | |||
| 148 | ======================================================================= | ||
| 149 | Nexus Concentrator | ||
| 150 | |||
| 151 | This node represents the region of DCSR space allocated to the NXC | ||
| 152 | |||
| 153 | PROPERTIES | ||
| 154 | |||
| 155 | - compatible | ||
| 156 | Usage: required | ||
| 157 | Value type: <string> | ||
| 158 | Definition: Must include "fsl,dcsr-nxc" | ||
| 159 | |||
| 160 | - reg | ||
| 161 | Usage: required | ||
| 162 | Value type: <prop-encoded-array> | ||
| 163 | Definition: A standard property. Specifies the physical address | ||
| 164 | offset and length of the DCSR space registers of the device | ||
| 165 | configuration block. | ||
| 166 | |||
| 167 | EXAMPLE | ||
| 168 | dcsr-nxc@2000 { | ||
| 169 | compatible = "fsl,dcsr-nxc"; | ||
| 170 | reg = <0x2000 0x1000>; | ||
| 171 | }; | ||
| 172 | ======================================================================= | ||
| 173 | CoreNet Debug Controller | ||
| 174 | |||
| 175 | This node represents the region of DCSR space allocated to | ||
| 176 | the CoreNet Debug controller. | ||
| 177 | |||
| 178 | PROPERTIES | ||
| 179 | |||
| 180 | - compatible | ||
| 181 | Usage: required | ||
| 182 | Value type: <string> | ||
| 183 | Definition: Must include "fsl,dcsr-corenet" | ||
| 184 | |||
| 185 | - reg | ||
| 186 | Usage: required | ||
| 187 | Value type: <prop-encoded-array> | ||
| 188 | Definition: A standard property. Specifies the physical address | ||
| 189 | offset and length of the DCSR space registers of the device | ||
| 190 | configuration block. | ||
| 191 | The CoreNet Debug controller occupies two regions in the DCSR space | ||
| 192 | with distinct functionality. | ||
| 193 | |||
| 194 | The first register range describes the CoreNet Debug Controller | ||
| 195 | functionalty to perform transaction and transaction attribute matches. | ||
| 196 | |||
| 197 | The second register range describes the CoreNet Debug Controller | ||
| 198 | functionalty to trigger event notifications and debug traces. | ||
| 199 | |||
| 200 | EXAMPLE | ||
| 201 | dcsr-corenet { | ||
| 202 | compatible = "fsl,dcsr-corenet"; | ||
| 203 | reg = <0x8000 0x1000 0xB0000 0x1000>; | ||
| 204 | }; | ||
| 205 | |||
| 206 | ======================================================================= | ||
| 207 | Data Path Debug controller | ||
| 208 | |||
| 209 | This node represents the region of DCSR space allocated to | ||
| 210 | the DPAA Debug Controller. This controller controls debug configuration | ||
| 211 | for the QMAN and FMAN blocks. | ||
| 212 | |||
| 213 | PROPERTIES | ||
| 214 | |||
| 215 | - compatible | ||
| 216 | Usage: required | ||
| 217 | Value type: <string> | ||
| 218 | Definition: Must include both an identifier specific to the SoC | ||
| 219 | or Debug IP of the form "fsl,<soc>-dcsr-dpaa" in addition to the | ||
| 220 | generic compatible string "fsl,dcsr-dpaa". | ||
| 221 | |||
| 222 | - reg | ||
| 223 | Usage: required | ||
| 224 | Value type: <prop-encoded-array> | ||
| 225 | Definition: A standard property. Specifies the physical address | ||
| 226 | offset and length of the DCSR space registers of the device | ||
| 227 | configuration block. | ||
| 228 | |||
| 229 | EXAMPLE | ||
| 230 | dcsr-dpaa@9000 { | ||
| 231 | compatible = "fsl,p4080-dcsr-dpaa", "fsl,dcsr-dpaa"; | ||
| 232 | reg = <0x9000 0x1000>; | ||
| 233 | }; | ||
| 234 | |||
| 235 | ======================================================================= | ||
| 236 | OCeaN Debug controller | ||
| 237 | |||
| 238 | This node represents the region of DCSR space allocated to | ||
| 239 | the OCN Debug Controller. | ||
| 240 | |||
| 241 | PROPERTIES | ||
| 242 | |||
| 243 | - compatible | ||
| 244 | Usage: required | ||
| 245 | Value type: <string> | ||
| 246 | Definition: Must include both an identifier specific to the SoC | ||
| 247 | or Debug IP of the form "fsl,<soc>-dcsr-ocn" in addition to the | ||
| 248 | generic compatible string "fsl,dcsr-ocn". | ||
| 249 | |||
| 250 | - reg | ||
| 251 | Usage: required | ||
| 252 | Value type: <prop-encoded-array> | ||
| 253 | Definition: A standard property. Specifies the physical address | ||
| 254 | offset and length of the DCSR space registers of the device | ||
| 255 | configuration block. | ||
| 256 | |||
| 257 | EXAMPLE | ||
| 258 | dcsr-ocn@11000 { | ||
| 259 | compatible = "fsl,p4080-dcsr-ocn", "fsl,dcsr-ocn"; | ||
| 260 | reg = <0x11000 0x1000>; | ||
| 261 | }; | ||
| 262 | |||
| 263 | ======================================================================= | ||
| 264 | DDR Controller Debug controller | ||
| 265 | |||
| 266 | This node represents the region of DCSR space allocated to | ||
| 267 | the OCN Debug Controller. | ||
| 268 | |||
| 269 | PROPERTIES | ||
| 270 | |||
| 271 | - compatible | ||
| 272 | Usage: required | ||
| 273 | Value type: <string> | ||
| 274 | Definition: Must include "fsl,dcsr-ddr" | ||
| 275 | |||
| 276 | - dev-handle | ||
| 277 | Usage: required | ||
| 278 | Definition: A phandle to associate this debug node with its | ||
| 279 | component controller. | ||
| 280 | |||
| 281 | - reg | ||
| 282 | Usage: required | ||
| 283 | Value type: <prop-encoded-array> | ||
| 284 | Definition: A standard property. Specifies the physical address | ||
| 285 | offset and length of the DCSR space registers of the device | ||
| 286 | configuration block. | ||
| 287 | |||
| 288 | EXAMPLE | ||
| 289 | dcsr-ddr@12000 { | ||
| 290 | compatible = "fsl,dcsr-ddr"; | ||
| 291 | dev-handle = <&ddr1>; | ||
| 292 | reg = <0x12000 0x1000>; | ||
| 293 | }; | ||
| 294 | |||
| 295 | ======================================================================= | ||
| 296 | Nexus Aurora Link Controller | ||
| 297 | |||
| 298 | This node represents the region of DCSR space allocated to | ||
| 299 | the NAL Controller. | ||
| 300 | |||
| 301 | PROPERTIES | ||
| 302 | |||
| 303 | - compatible | ||
| 304 | Usage: required | ||
| 305 | Value type: <string> | ||
| 306 | Definition: Must include both an identifier specific to the SoC | ||
| 307 | or Debug IP of the form "fsl,<soc>-dcsr-nal" in addition to the | ||
| 308 | generic compatible string "fsl,dcsr-nal". | ||
| 309 | |||
| 310 | - reg | ||
| 311 | Usage: required | ||
| 312 | Value type: <prop-encoded-array> | ||
| 313 | Definition: A standard property. Specifies the physical address | ||
| 314 | offset and length of the DCSR space registers of the device | ||
| 315 | configuration block. | ||
| 316 | |||
| 317 | EXAMPLE | ||
| 318 | dcsr-nal@18000 { | ||
| 319 | compatible = "fsl,p4080-dcsr-nal", "fsl,dcsr-nal"; | ||
| 320 | reg = <0x18000 0x1000>; | ||
| 321 | }; | ||
| 322 | |||
| 323 | |||
| 324 | ======================================================================= | ||
| 325 | Run Control and Power Management | ||
| 326 | |||
| 327 | This node represents the region of DCSR space allocated to | ||
| 328 | the RCPM Debug Controller. This functionlity is limited to the | ||
| 329 | control the debug operations of the SoC and cores. | ||
| 330 | |||
| 331 | PROPERTIES | ||
| 332 | |||
| 333 | - compatible | ||
| 334 | Usage: required | ||
| 335 | Value type: <string> | ||
| 336 | Definition: Must include both an identifier specific to the SoC | ||
| 337 | or Debug IP of the form "fsl,<soc>-dcsr-rcpm" in addition to the | ||
| 338 | generic compatible string "fsl,dcsr-rcpm". | ||
| 339 | |||
| 340 | - reg | ||
| 341 | Usage: required | ||
| 342 | Value type: <prop-encoded-array> | ||
| 343 | Definition: A standard property. Specifies the physical address | ||
| 344 | offset and length of the DCSR space registers of the device | ||
| 345 | configuration block. | ||
| 346 | |||
| 347 | EXAMPLE | ||
| 348 | dcsr-rcpm@22000 { | ||
| 349 | compatible = "fsl,p4080-dcsr-rcpm", "fsl,dcsr-rcpm"; | ||
| 350 | reg = <0x22000 0x1000>; | ||
| 351 | }; | ||
| 352 | |||
| 353 | ======================================================================= | ||
| 354 | Core Service Bridge Proxy | ||
| 355 | |||
| 356 | This node represents the region of DCSR space allocated to | ||
| 357 | the Core Service Bridge Proxies. | ||
| 358 | There is one Core Service Bridge Proxy device for each CPU in the system. | ||
| 359 | This functionlity provides access to the debug operations of the CPU. | ||
| 360 | |||
| 361 | PROPERTIES | ||
| 362 | |||
| 363 | - compatible | ||
| 364 | Usage: required | ||
| 365 | Value type: <string> | ||
| 366 | Definition: Must include both an identifier specific to the cpu | ||
| 367 | of the form "fsl,dcsr-<cpu>-sb-proxy" in addition to the | ||
| 368 | generic compatible string "fsl,dcsr-cpu-sb-proxy". | ||
| 369 | |||
| 370 | - cpu-handle | ||
| 371 | Usage: required | ||
| 372 | Definition: A phandle to associate this debug node with its cpu. | ||
| 373 | |||
| 374 | - reg | ||
| 375 | Usage: required | ||
| 376 | Value type: <prop-encoded-array> | ||
| 377 | Definition: A standard property. Specifies the physical address | ||
| 378 | offset and length of the DCSR space registers of the device | ||
| 379 | configuration block. | ||
| 380 | |||
| 381 | EXAMPLE | ||
| 382 | dcsr-cpu-sb-proxy@40000 { | ||
| 383 | compatible = "fsl,dcsr-e500mc-sb-proxy", | ||
| 384 | "fsl,dcsr-cpu-sb-proxy"; | ||
| 385 | cpu-handle = <&cpu0>; | ||
| 386 | reg = <0x40000 0x1000>; | ||
| 387 | }; | ||
| 388 | dcsr-cpu-sb-proxy@41000 { | ||
| 389 | compatible = "fsl,dcsr-e500mc-sb-proxy", | ||
| 390 | "fsl,dcsr-cpu-sb-proxy"; | ||
| 391 | cpu-handle = <&cpu1>; | ||
| 392 | reg = <0x41000 0x1000>; | ||
| 393 | }; | ||
| 394 | |||
| 395 | ======================================================================= | ||
| @@ -25,6 +25,16 @@ Required properties: · 24 unmodified lines | |||
| 25 | are routed to IPIC, and for 85xx/86xx cpu the interrupts are routed | 25 | are routed to IPIC, and for 85xx/86xx cpu the interrupts are routed |
| 26 | to MPIC. | 26 | to MPIC. |
| 27 | 27 | ||
| 28 | Optional properties: | ||
| 29 | - msi-address-64: 64-bit PCI address of the MSIIR register. The MSIIR register | ||
| 30 | is used for MSI messaging. The address of MSIIR in PCI address space is | ||
| 31 | the MSI message address. | ||
| 32 | |||
| 33 | This property may be used in virtualized environments where the hypervisor | ||
| 34 | has created an alternate mapping for the MSIR block. See below for an | ||
| 35 | explanation. | ||
| 36 | |||
| 37 | |||
| 28 | Example: | 38 | Example: |
| 29 | msi@41600 { | 39 | msi@41600 { |
| 30 | compatible = "fsl,mpc8610-msi", "fsl,mpic-msi"; | 40 | compatible = "fsl,mpc8610-msi", "fsl,mpic-msi"; |
| @@ -41,3 +51,35 @@ Example: · 10 unmodified lines | |||
| 41 | 0xe7 0>; | 51 | 0xe7 0>; |
| 42 | interrupt-parent = <&mpic>; | 52 | interrupt-parent = <&mpic>; |
| 43 | }; | 53 | }; |
| 54 | |||
| 55 | The Freescale hypervisor and msi-address-64 | ||
| 56 | ------------------------------------------- | ||
| 57 | Normally, PCI devices have access to all of CCSR via an ATMU mapping. The | ||
| 58 | Freescale MSI driver calculates the address of MSIIR (in the MSI register | ||
| 59 | block) and sets that address as the MSI message address. | ||
| 60 | |||
| 61 | In a virtualized environment, the hypervisor may need to create an IOMMU | ||
| 62 | mapping for MSIIR. The Freescale ePAPR hypervisor has this requirement | ||
| 63 | because of hardware limitations of the Peripheral Access Management Unit | ||
| 64 | (PAMU), which is currently the only IOMMU that the hypervisor supports. | ||
| 65 | The ATMU is programmed with the guest physical address, and the PAMU | ||
| 66 | intercepts transactions and reroutes them to the true physical address. | ||
| 67 | |||
| 68 | In the PAMU, each PCI controller is given only one primary window. The | ||
| 69 | PAMU restricts DMA operations so that they can only occur within a window. | ||
| 70 | Because PCI devices must be able to DMA to memory, the primary window must | ||
| 71 | be used to cover all of the guest's memory space. | ||
| 72 | |||
| 73 | PAMU primary windows can be divided into 256 subwindows, and each | ||
| 74 | subwindow can have its own address mapping ("guest physical" to "true | ||
| 75 | physical"). However, each subwindow has to have the same alignment, which | ||
| 76 | means they cannot be located at just any address. Because of these | ||
| 77 | restrictions, it is usually impossible to create a 4KB subwindow that | ||
| 78 | covers MSIIR where it's normally located. | ||
| 79 | |||
| 80 | Therefore, the hypervisor has to create a subwindow inside the same | ||
| 81 | primary window used for memory, but mapped to the MSIR block (where MSIIR | ||
| 82 | lives). The first subwindow after the end of guest memory is used for | ||
| 83 | this. The address specified in the msi-address-64 property is the PCI | ||
| 84 | address of MSIIR. The hypervisor configures the PAMU to map that address to | ||
| 85 | the true physical address of MSIIR. | ||
| @@ -0,0 +1,31 @@ | |||
| 1 | * RS485 serial communications | ||
| 2 | |||
| 3 | The RTS signal is capable of automatically controlling line direction for | ||
| 4 | the built-in half-duplex mode. | ||
| 5 | The properties described hereafter shall be given to a half-duplex capable | ||
| 6 | UART node. | ||
| 7 | |||
| 8 | Required properties: | ||
| 9 | - rs485-rts-delay: prop-encoded-array <a b> where: | ||
| 10 | * a is the delay beteween rts signal and beginning of data sent in milliseconds. | ||
| 11 | it corresponds to the delay before sending data. | ||
| 12 | * b is the delay between end of data sent and rts signal in milliseconds | ||
| 13 | it corresponds to the delay after sending data and actual release of the line. | ||
| 14 | |||
| 15 | Optional properties: | ||
| 16 | - linux,rs485-enabled-at-boot-time: empty property telling to enable the rs485 | ||
| 17 | feature at boot time. It can be disabled later with proper ioctl. | ||
| 18 | - rs485-rx-during-tx: empty property that enables the receiving of data even | ||
| 19 | whilst sending data. | ||
| 20 | |||
| 21 | RS485 example for Atmel USART: | ||
| 22 | usart0: serial@fff8c000 { | ||
| 23 | compatible = "atmel,at91sam9260-usart"; | ||
| 24 | reg = <0xfff8c000 0x4000>; | ||
| 25 | interrupts = <7>; | ||
| 26 | atmel,use-dma-rx; | ||
| 27 | atmel,use-dma-tx; | ||
| 28 | linux,rs485-enabled-at-boot-time; | ||
| 29 | rs485-rts-delay = <0 200>; // in milliseconds | ||
| 30 | }; | ||
| 31 | |||
| @@ -0,0 +1,11 @@ | |||
| 1 | * Freescale SGTL5000 Stereo Codec | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "fsl,sgtl5000". | ||
| 5 | |||
| 6 | Example: | ||
| 7 | |||
| 8 | codec: sgtl5000@0a { | ||
| 9 | compatible = "fsl,sgtl5000"; | ||
| 10 | reg = <0x0a>; | ||
| 11 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8510 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8510" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8510@1a { | ||
| 16 | compatible = "wlf,wm8510"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,16 @@ | |||
| 1 | WM8523 audio CODEC | ||
| 2 | |||
| 3 | This device supports I2C only. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible : "wlf,wm8523" | ||
| 8 | |||
| 9 | - reg : the I2C address of the device. | ||
| 10 | |||
| 11 | Example: | ||
| 12 | |||
| 13 | codec: wm8523@1a { | ||
| 14 | compatible = "wlf,wm8523"; | ||
| 15 | reg = <0x1a>; | ||
| 16 | }; | ||
| @@ -0,0 +1,16 @@ | |||
| 1 | WM8580 audio CODEC | ||
| 2 | |||
| 3 | This device supports I2C only. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible : "wlf,wm8580" | ||
| 8 | |||
| 9 | - reg : the I2C address of the device. | ||
| 10 | |||
| 11 | Example: | ||
| 12 | |||
| 13 | codec: wm8580@1a { | ||
| 14 | compatible = "wlf,wm8580"; | ||
| 15 | reg = <0x1a>; | ||
| 16 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8711 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8711" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8711@1a { | ||
| 16 | compatible = "wlf,wm8711"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8728 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8728" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8728@1a { | ||
| 16 | compatible = "wlf,wm8728"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8731 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8731" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8731@1a { | ||
| 16 | compatible = "wlf,wm8731"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8737 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8737" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8737@1a { | ||
| 16 | compatible = "wlf,wm8737"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8741 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8741" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8741@1a { | ||
| 16 | compatible = "wlf,wm8741"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8750 and WM8987 audio CODECs | ||
| 2 | |||
| 3 | These devices support both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8750" or "wlf,wm8987" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8750@1a { | ||
| 16 | compatible = "wlf,wm8750"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8753 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8753" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8737@1a { | ||
| 16 | compatible = "wlf,wm8753"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,16 @@ | |||
| 1 | WM8770 audio CODEC | ||
| 2 | |||
| 3 | This device supports SPI. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible : "wlf,wm8770" | ||
| 8 | |||
| 9 | - reg : the chip select number. | ||
| 10 | |||
| 11 | Example: | ||
| 12 | |||
| 13 | codec: wm8770@1 { | ||
| 14 | compatible = "wlf,wm8770"; | ||
| 15 | reg = <1>; | ||
| 16 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8776 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8776" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8776@1a { | ||
| 16 | compatible = "wlf,wm8776"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | WM8804 audio CODEC | ||
| 2 | |||
| 3 | This device supports both I2C and SPI (configured with pin strapping | ||
| 4 | on the board). | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | |||
| 8 | - compatible : "wlf,wm8804" | ||
| 9 | |||
| 10 | - reg : the I2C address of the device for I2C, the chip select | ||
| 11 | number for SPI. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | codec: wm8804@1a { | ||
| 16 | compatible = "wlf,wm8804"; | ||
| 17 | reg = <0x1a>; | ||
| 18 | }; | ||
| @@ -0,0 +1,12 @@ | |||
| 1 | ARM PL022 SPI controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "arm,pl022", "arm,primecell" | ||
| 5 | - reg : Offset and length of the register set for the device | ||
| 6 | - interrupts : Should contain SPI controller interrupt | ||
| 7 | |||
| 8 | Optional properties: | ||
| 9 | - cs-gpios : should specify GPIOs used for chipselects. | ||
| 10 | The gpios will be referred to as reg = <index> in the SPI child nodes. | ||
| 11 | If unspecified, a single SPI device without a chip select can be used. | ||
| 12 | |||
| @@ -0,0 +1,27 @@ | |||
| 1 | * Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART) | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "atmel,<chip>-usart" | ||
| 5 | The compatible <chip> indicated will be the first SoC to support an | ||
| 6 | additional mode or an USART new feature. | ||
| 7 | - reg: Should contain registers location and length | ||
| 8 | - interrupts: Should contain interrupt | ||
| 9 | |||
| 10 | Optional properties: | ||
| 11 | - atmel,use-dma-rx: use of PDC or DMA for receiving data | ||
| 12 | - atmel,use-dma-tx: use of PDC or DMA for transmitting data | ||
| 13 | |||
| 14 | <chip> compatible description: | ||
| 15 | - at91rm9200: legacy USART support | ||
| 16 | - at91sam9260: generic USART implementation for SAM9 SoCs | ||
| 17 | |||
| 18 | Example: | ||
| 19 | |||
| 20 | usart0: serial@fff8c000 { | ||
| 21 | compatible = "atmel,at91sam9260-usart"; | ||
| 22 | reg = <0xfff8c000 0x4000>; | ||
| 23 | interrupts = <7>; | ||
| 24 | atmel,use-dma-rx; | ||
| 25 | atmel,use-dma-tx; | ||
| 26 | }; | ||
| 27 | |||
| @@ -0,0 +1,27 @@ | |||
| 1 | * Qualcomm MSM UART | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : | ||
| 5 | - "qcom,msm-uart", and one of "qcom,msm-hsuart" or | ||
| 6 | "qcom,msm-lsuart". | ||
| 7 | - reg : offset and length of the register set for the device | ||
| 8 | for the hsuart operating in compatible mode, there should be a | ||
| 9 | second pair describing the gsbi registers. | ||
| 10 | - interrupts : should contain the uart interrupt. | ||
| 11 | |||
| 12 | There are two different UART blocks used in MSM devices, | ||
| 13 | "qcom,msm-hsuart" and "qcom,msm-lsuart". The msm-serial driver is | ||
| 14 | able to handle both of these, and matches against the "qcom,msm-uart" | ||
| 15 | as the compatibility. | ||
| 16 | |||
| 17 | The registers for the "qcom,msm-hsuart" device need to specify both | ||
| 18 | register blocks, even for the common driver. | ||
| 19 | |||
| 20 | Example: | ||
| 21 | |||
| 22 | uart@19c400000 { | ||
| 23 | compatible = "qcom,msm-hsuart", "qcom,msm-uart"; | ||
| 24 | reg = <0x19c40000 0x1000>, | ||
| 25 | <0x19c00000 0x1000>; | ||
| 26 | interrupts = <195>; | ||
| 27 | }; | ||
| @@ -0,0 +1,25 @@ | |||
| 1 | * Synopsys DesignWare ABP UART | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "snps,dw-apb-uart" | ||
| 5 | - reg : offset and length of the register set for the device. | ||
| 6 | - interrupts : should contain uart interrupt. | ||
| 7 | - clock-frequency : the input clock frequency for the UART. | ||
| 8 | |||
| 9 | Optional properties: | ||
| 10 | - reg-shift : quantity to shift the register offsets by. If this property is | ||
| 11 | not present then the register offsets are not shifted. | ||
| 12 | - reg-io-width : the size (in bytes) of the IO accesses that should be | ||
| 13 | performed on the device. If this property is not present then single byte | ||
| 14 | accesses are used. | ||
| 15 | |||
| 16 | Example: | ||
| 17 | |||
| 18 | uart@80230000 { | ||
| 19 | compatible = "snps,dw-apb-uart"; | ||
| 20 | reg = <0x80230000 0x100>; | ||
| 21 | clock-frequency = <3686400>; | ||
| 22 | interrupts = <10>; | ||
| 23 | reg-shift = <2>; | ||
| 24 | reg-io-width = <4>; | ||
| 25 | }; | ||
| @@ -0,0 +1,40 @@ | |||
| 1 | Device tree binding vendor prefix registry. Keep list in alphabetical order. | ||
| 2 | |||
| 3 | This isn't an exhaustive list, but you should add new prefixes to it before | ||
| 4 | using them to avoid name-space collisions. | ||
| 5 | |||
| 6 | adi Analog Devices, Inc. | ||
| 7 | amcc Applied Micro Circuits Corporation (APM, formally AMCC) | ||
| 8 | apm Applied Micro Circuits Corporation (APM) | ||
| 9 | arm ARM Ltd. | ||
| 10 | atmel Atmel Corporation | ||
| 11 | chrp Common Hardware Reference Platform | ||
| 12 | dallas Maxim Integrated Products (formerly Dallas Semiconductor) | ||
| 13 | denx Denx Software Engineering | ||
| 14 | epson Seiko Epson Corp. | ||
| 15 | est ESTeem Wireless Modems | ||
| 16 | fsl Freescale Semiconductor | ||
| 17 | GEFanuc GE Fanuc Intelligent Platforms Embedded Systems, Inc. | ||
| 18 | gef GE Fanuc Intelligent Platforms Embedded Systems, Inc. | ||
| 19 | hp Hewlett Packard | ||
| 20 | ibm International Business Machines (IBM) | ||
| 21 | idt Integrated Device Technologies, Inc. | ||
| 22 | intercontrol Inter Control Group | ||
| 23 | linux Linux-specific binding | ||
| 24 | marvell Marvell Technology Group Ltd. | ||
| 25 | maxim Maxim Integrated Products | ||
| 26 | mosaixtech Mosaix Technologies, Inc. | ||
| 27 | national National Semiconductor | ||
| 28 | nintendo Nintendo | ||
| 29 | nvidia NVIDIA | ||
| 30 | nxp NXP Semiconductors | ||
| 31 | powervr Imagination Technologies | ||
| 32 | qcom Qualcomm, Inc. | ||
| 33 | ramtron Ramtron International | ||
| 34 | samsung Samsung Semiconductor | ||
| 35 | schindler Schindler | ||
| 36 | simtek | ||
| 37 | sirf SiRF Technology, Inc. | ||
| 38 | stericsson ST-Ericsson | ||
| 39 | ti Texas Instruments | ||
| 40 | xlnx Xilinx | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | * virtio memory mapped device | ||
| 2 | |||
| 3 | See http://ozlabs.org/~rusty/virtio-spec/ for more details. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible: "virtio,mmio" compatibility string | ||
| 8 | - reg: control registers base address and size including configuration space | ||
| 9 | - interrupts: interrupt generated by the device | ||
| 10 | |||
| 11 | Example: | ||
| 12 | |||
| 13 | virtio_block@3000 { | ||
| 14 | compatible = "virtio,mmio"; | ||
| 15 | reg = <0x3000 0x100>; | ||
| 16 | interrupts = <41>; | ||
| 17 | } | ||
| @@ -48,10 +48,6 @@ devclass_add_device is called to enumerate the device within the class · 47 unmodified lines | |||
| 48 | and actually register it with the class, which happens with the | 48 | and actually register it with the class, which happens with the |
| 49 | class's register_dev callback. | 49 | class's register_dev callback. |
| 50 | 50 | ||
| 51 | NOTE: The device class structures and core routines to manipulate them | ||
| 52 | are not in the mainline kernel, so the discussion is still a bit | ||
| 53 | speculative. | ||
| 54 | |||
| 55 | 51 | ||
| 56 | Driver | 52 | Driver |
| 57 | ~~~~~~ | 53 | ~~~~~~ |
| @@ -45,33 +45,52 @@ struct device_attribute { · 44 unmodified lines | |||
| 45 | const char *buf, size_t count); | 45 | const char *buf, size_t count); |
| 46 | }; | 46 | }; |
| 47 | 47 | ||
| 48 | Attributes of devices can be exported via drivers using a simple | 48 | Attributes of devices can be exported by a device driver through sysfs. |
| 49 | procfs-like interface. | ||
| 50 | 49 | ||
| 51 | Please see Documentation/filesystems/sysfs.txt for more information | 50 | Please see Documentation/filesystems/sysfs.txt for more information |
| 52 | on how sysfs works. | 51 | on how sysfs works. |
| 53 | 52 | ||
| 53 | As explained in Documentation/kobject.txt, device attributes must be be | ||
| 54 | created before the KOBJ_ADD uevent is generated. The only way to realize | ||
| 55 | that is by defining an attribute group. | ||
| 56 | |||
| 54 | Attributes are declared using a macro called DEVICE_ATTR: | 57 | Attributes are declared using a macro called DEVICE_ATTR: |
| 55 | 58 | ||
| 56 | #define DEVICE_ATTR(name,mode,show,store) | 59 | #define DEVICE_ATTR(name,mode,show,store) |
| 57 | 60 | ||
| 58 | Example: | 61 | Example: |
| 59 | 62 | ||
| 60 | DEVICE_ATTR(power,0644,show_power,store_power); | 63 | static DEVICE_ATTR(type, 0444, show_type, NULL); |
| 64 | static DEVICE_ATTR(power, 0644, show_power, store_power); | ||
| 61 | 65 | ||
| 62 | This declares a structure of type struct device_attribute named | 66 | This declares two structures of type struct device_attribute with respective |
| 63 | 'dev_attr_power'. This can then be added and removed to the device's | 67 | names 'dev_attr_type' and 'dev_attr_power'. These two attributes can be |
| 64 | directory using: | 68 | organized as follows into a group: |
| 65 | 69 | ||
| 66 | int device_create_file(struct device *device, struct device_attribute * entry); | 70 | static struct attribute *dev_attrs[] = { |
| 67 | void device_remove_file(struct device * dev, struct device_attribute * attr); | 71 | &dev_attr_type.attr, |
| 72 | &dev_attr_power.attr, | ||
| 73 | NULL, | ||
| 74 | }; | ||
| 68 | 75 | ||
| 69 | Example: | 76 | static struct attribute_group dev_attr_group = { |
| 77 | .attrs = dev_attrs, | ||
| 78 | }; | ||
| 79 | |||
| 80 | static const struct attribute_group *dev_attr_groups[] = { | ||
| 81 | &dev_attr_group, | ||
| 82 | NULL, | ||
| 83 | }; | ||
| 84 | |||
| 85 | This array of groups can then be associated with a device by setting the | ||
| 86 | group pointer in struct device before device_register() is invoked: | ||
| 70 | 87 | ||
| 71 | device_create_file(dev,&dev_attr_power); | 88 | dev->groups = dev_attr_groups; |
| 72 | device_remove_file(dev,&dev_attr_power); | 89 | device_register(dev); |
| 73 | 90 | ||
| 74 | The file name will be 'power' with a mode of 0644 (-rw-r--r--). | 91 | The device_register() function will use the 'groups' pointer to create the |
| 92 | device attributes and the device_unregister() function will use this pointer | ||
| 93 | to remove the device attributes. | ||
| 75 | 94 | ||
| 76 | Word of warning: While the kernel allows device_create_file() and | 95 | Word of warning: While the kernel allows device_create_file() and |
| 77 | device_remove_file() to be called on a device at any time, userspace has | 96 | device_remove_file() to be called on a device at any time, userspace has |
| @@ -84,24 +103,4 @@ not know about the new attributes. · 6 unmodified lines | |||
| 84 | This is important for device driver that need to publish additional | 103 | This is important for device driver that need to publish additional |
| 85 | attributes for a device at driver probe time. If the device driver simply | 104 | attributes for a device at driver probe time. If the device driver simply |
| 86 | calls device_create_file() on the device structure passed to it, then | 105 | calls device_create_file() on the device structure passed to it, then |
| 87 | userspace will never be notified of the new attributes. Instead, it should | 106 | userspace will never be notified of the new attributes. |
| 88 | probably use class_create() and class->dev_attrs to set up a list of | ||
| 89 | desired attributes in the modules_init function, and then in the .probe() | ||
| 90 | hook, and then use device_create() to create a new device as a child | ||
| 91 | of the probed device. The new device will generate a new uevent and | ||
| 92 | properly advertise the new attributes to userspace. | ||
| 93 | |||
| 94 | For example, if a driver wanted to add the following attributes: | ||
| 95 | struct device_attribute mydriver_attribs[] = { | ||
| 96 | __ATTR(port_count, 0444, port_count_show), | ||
| 97 | __ATTR(serial_number, 0444, serial_number_show), | ||
| 98 | NULL | ||
| 99 | }; | ||
| 100 | |||
| 101 | Then in the module init function is would do: | ||
| 102 | mydriver_class = class_create(THIS_MODULE, "my_attrs"); | ||
| 103 | mydriver_class.dev_attr = mydriver_attribs; | ||
| 104 | |||
| 105 | And assuming 'dev' is the struct device passed into the probe hook, the driver | ||
| 106 | probe function would do something like: | ||
| 107 | device_create(&mydriver_class, dev, chrdev, &private_data, "my_name"); | ||
| @@ -27,7 +27,8 @@ use IO::Handle; · 26 unmodified lines | |||
| 27 | "or51211", "or51132_qam", "or51132_vsb", "bluebird", | 27 | "or51211", "or51132_qam", "or51132_vsb", "bluebird", |
| 28 | "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718", | 28 | "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718", |
| 29 | "af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395", | 29 | "af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395", |
| 30 | "lme2510c_s7395_old", "drxk", "drxk_terratec_h5"); | 30 | "lme2510c_s7395_old", "drxk", "drxk_terratec_h5", "tda10071", |
| 31 | "it9135" ); | ||
| 31 | 32 | ||
| 32 | # Check args | 33 | # Check args |
| 33 | syntax() if (scalar(@ARGV) != 1); | 34 | syntax() if (scalar(@ARGV) != 1); |
| @@ -575,19 +576,10 @@ sub ngene { · 541 unmodified lines | |||
| 575 | } | 576 | } |
| 576 | 577 | ||
| 577 | sub az6027{ | 578 | sub az6027{ |
| 578 | my $file = "AZ6027_Linux_Driver.tar.gz"; | ||
| 579 | my $url = "http://linux.terratec.de/files/$file"; | ||
| 580 | my $firmware = "dvb-usb-az6027-03.fw"; | 579 | my $firmware = "dvb-usb-az6027-03.fw"; |
| 580 | my $url = "http://linux.terratec.de/files/TERRATEC_S7/$firmware"; | ||
| 581 | 581 | ||
| 582 | wgetfile($file, $url); | 582 | wgetfile($firmware, $url); |
| 583 | |||
| 584 | #untar | ||
| 585 | if( system("tar xzvf $file $firmware")){ | ||
| 586 | die "failed to untar firmware"; | ||
| 587 | } | ||
| 588 | if( system("rm $file")){ | ||
| 589 | die ("unable to remove unnecessary files"); | ||
| 590 | } | ||
| 591 | 583 | ||
| 592 | $firmware; | 584 | $firmware; |
| 593 | } | 585 | } |
| @@ -665,6 +657,41 @@ sub drxk_terratec_h5 { · 71 unmodified lines | |||
| 665 | "$fwfile" | 657 | "$fwfile" |
| 666 | } | 658 | } |
| 667 | 659 | ||
| 660 | sub it9135 { | ||
| 661 | my $url = "http://kworld.server261.com/kworld/CD/ITE_TiVme/V1.00/"; | ||
| 662 | my $zipfile = "Driver_V10.323.1.0412.100412.zip"; | ||
| 663 | my $hash = "79b597dc648698ed6820845c0c9d0d37"; | ||
| 664 | my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0); | ||
| 665 | my $drvfile = "Driver_V10.323.1.0412.100412/Data/x86/IT9135BDA.sys"; | ||
| 666 | my $fwfile = "dvb-usb-it9137-01.fw"; | ||
| 667 | |||
| 668 | checkstandard(); | ||
| 669 | |||
| 670 | wgetfile($zipfile, $url . $zipfile); | ||
| 671 | verify($zipfile, $hash); | ||
| 672 | unzip($zipfile, $tmpdir); | ||
| 673 | extract("$tmpdir/$drvfile", 69632, 5731, "$fwfile"); | ||
| 674 | |||
| 675 | "$fwfile" | ||
| 676 | } | ||
| 677 | |||
| 678 | sub tda10071 { | ||
| 679 | my $sourcefile = "PCTV_460e_reference.zip"; | ||
| 680 | my $url = "ftp://ftp.pctvsystems.com/TV/driver/PCTV%2070e%2080e%20100e%20320e%20330e%20800e/"; | ||
| 681 | my $hash = "4403de903bf2593464c8d74bbc200a57"; | ||
| 682 | my $fwfile = "dvb-fe-tda10071.fw"; | ||
| 683 | my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | ||
| 684 | |||
| 685 | checkstandard(); | ||
| 686 | |||
| 687 | wgetfile($sourcefile, $url . $sourcefile); | ||
| 688 | verify($sourcefile, $hash); | ||
| 689 | unzip($sourcefile, $tmpdir); | ||
| 690 | extract("$tmpdir/PCTV\ 70e\ 80e\ 100e\ 320e\ 330e\ 800e/32\ bit/emOEM.sys", 0x67d38, 40504, $fwfile); | ||
| 691 | |||
| 692 | "$fwfile"; | ||
| 693 | } | ||
| 694 | |||
| 668 | # --------------------------------------------------------------- | 695 | # --------------------------------------------------------------- |
| 669 | # Utilities | 696 | # Utilities |
| 670 | 697 | ||
| @@ -0,0 +1,9 @@ | |||
| 1 | To extract firmware for Kworld UB499-2T (id 1b80:e409) you need to copy the | ||
| 2 | following file(s) to this directory. | ||
| 3 | |||
| 4 | IT9135BDA.sys Dated Mon 22 Mar 2010 02:20:08 GMT | ||
| 5 | |||
| 6 | extract using dd | ||
| 7 | dd if=IT9135BDA.sys ibs=1 skip=69632 count=5731 of=dvb-usb-it9137-01.fw | ||
| 8 | |||
| 9 | copy to default firmware location. | ||
| @@ -21,6 +21,11 @@ o fail_make_request · 20 unmodified lines | |||
| 21 | /sys/block/<device>/make-it-fail or | 21 | /sys/block/<device>/make-it-fail or |
| 22 | /sys/block/<device>/<partition>/make-it-fail. (generic_make_request()) | 22 | /sys/block/<device>/<partition>/make-it-fail. (generic_make_request()) |
| 23 | 23 | ||
| 24 | o fail_mmc_request | ||
| 25 | |||
| 26 | injects MMC data errors on devices permitted by setting | ||
| 27 | debugfs entries under /sys/kernel/debug/mmc0/fail_mmc_request | ||
| 28 | |||
| 24 | Configure fault-injection capabilities behavior | 29 | Configure fault-injection capabilities behavior |
| 25 | ----------------------------------------------- | 30 | ----------------------------------------------- |
| 26 | 31 | ||
| @@ -115,7 +120,8 @@ use the boot option: · 88 unmodified lines | |||
| 115 | 120 | ||
| 116 | failslab= | 121 | failslab= |
| 117 | fail_page_alloc= | 122 | fail_page_alloc= |
| 118 | fail_make_request=<interval>,<probability>,<space>,<times> | 123 | fail_make_request= |
| 124 | mmc_core.fail_request=<interval>,<probability>,<space>,<times> | ||
| 119 | 125 | ||
| 120 | How to add new fault injection capability | 126 | How to add new fault injection capability |
| 121 | ----------------------------------------- | 127 | ----------------------------------------- |
| @@ -87,23 +87,38 @@ Special configuration for udlfb is usually unnecessary. There are a few · 86 unmodified lines | |||
| 87 | options, however. | 87 | options, however. |
| 88 | 88 | ||
| 89 | From the command line, pass options to modprobe | 89 | From the command line, pass options to modprobe |
| 90 | modprobe udlfb defio=1 console=1 | 90 | modprobe udlfb fb_defio=0 console=1 shadow=1 |
| 91 | 91 | ||
| 92 | Or for permanent option, create file like /etc/modprobe.d/options with text | 92 | Or modify options on the fly at /sys/module/udlfb/parameters directory via |
| 93 | options udlfb defio=1 console=1 | 93 | sudo nano fb_defio |
| 94 | change the parameter in place, and save the file. | ||
| 94 | 95 | ||
| 95 | Accepted options: | 96 | Unplug/replug USB device to apply with new settings |
| 97 | |||
| 98 | Or for permanent option, create file like /etc/modprobe.d/udlfb.conf with text | ||
| 99 | options udlfb fb_defio=0 console=1 shadow=1 | ||
| 100 | |||
| 101 | Accepted boolean options: | ||
| 96 | 102 | ||
| 97 | fb_defio Make use of the fb_defio (CONFIG_FB_DEFERRED_IO) kernel | 103 | fb_defio Make use of the fb_defio (CONFIG_FB_DEFERRED_IO) kernel |
| 98 | module to track changed areas of the framebuffer by page faults. | 104 | module to track changed areas of the framebuffer by page faults. |
| 99 | Standard fbdev applications that use mmap but that do not | 105 | Standard fbdev applications that use mmap but that do not |
| 100 | report damage, may be able to work with this enabled. | 106 | report damage, should be able to work with this enabled. |
| 101 | Disabled by default because of overhead and other issues. | 107 | Disable when running with X server that supports reporting |
| 102 | 108 | changed regions via ioctl, as this method is simpler, | |
| 103 | console Allow fbcon to attach to udlfb provided framebuffers. This | 109 | more stable, and higher performance. |
| 104 | is disabled by default because fbcon will aggressively consume | 110 | default: fb_defio=1 |
| 105 | the first framebuffer it finds, which isn't usually what the | 111 | |
| 106 | user wants in the case of USB displays. | 112 | console Allow fbcon to attach to udlfb provided framebuffers. |
| 113 | Can be disabled if fbcon and other clients | ||
| 114 | (e.g. X with --shared-vt) are in conflict. | ||
| 115 | default: console=1 | ||
| 116 | |||
| 117 | shadow Allocate a 2nd framebuffer to shadow what's currently across | ||
| 118 | the USB bus in device memory. If any pixels are unchanged, | ||
| 119 | do not transmit. Spends host memory to save USB transfers. | ||
| 120 | Enabled by default. Only disable on very low memory systems. | ||
| 121 | default: shadow=1 | ||
| 107 | 122 | ||
| 108 | Sysfs Attributes | 123 | Sysfs Attributes |
| 109 | ================ | 124 | ================ |
| @@ -133,41 +133,6 @@ Who: Pavel Machek <pavel@ucw.cz> · 132 unmodified lines | |||
| 133 | 133 | ||
| 134 | --------------------------- | 134 | --------------------------- |
| 135 | 135 | ||
| 136 | What: sys_sysctl | ||
| 137 | When: September 2010 | ||
| 138 | Option: CONFIG_SYSCTL_SYSCALL | ||
| 139 | Why: The same information is available in a more convenient from | ||
| 140 | /proc/sys, and none of the sysctl variables appear to be | ||
| 141 | important performance wise. | ||
| 142 | |||
| 143 | Binary sysctls are a long standing source of subtle kernel | ||
| 144 | bugs and security issues. | ||
| 145 | |||
| 146 | When I looked several months ago all I could find after | ||
| 147 | searching several distributions were 5 user space programs and | ||
| 148 | glibc (which falls back to /proc/sys) using this syscall. | ||
| 149 | |||
| 150 | The man page for sysctl(2) documents it as unusable for user | ||
| 151 | space programs. | ||
| 152 | |||
| 153 | sysctl(2) is not generally ABI compatible to a 32bit user | ||
| 154 | space application on a 64bit and a 32bit kernel. | ||
| 155 | |||
| 156 | For the last several months the policy has been no new binary | ||
| 157 | sysctls and no one has put forward an argument to use them. | ||
| 158 | |||
| 159 | Binary sysctls issues seem to keep happening appearing so | ||
| 160 | properly deprecating them (with a warning to user space) and a | ||
| 161 | 2 year grace warning period will mean eventually we can kill | ||
| 162 | them and end the pain. | ||
| 163 | |||
| 164 | In the mean time individual binary sysctls can be dealt with | ||
| 165 | in a piecewise fashion. | ||
| 166 | |||
| 167 | Who: Eric Biederman <ebiederm@xmission.com> | ||
| 168 | |||
| 169 | --------------------------- | ||
| 170 | |||
| 171 | What: /proc/<pid>/oom_adj | 136 | What: /proc/<pid>/oom_adj |
| 172 | When: August 2012 | 137 | When: August 2012 |
| 173 | Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's | 138 | Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's |
| @@ -495,29 +460,6 @@ Who: Jean Delvare <khali@linux-fr.org> · 321 unmodified lines | |||
| 495 | 460 | ||
| 496 | ---------------------------- | 461 | ---------------------------- |
| 497 | 462 | ||
| 498 | What: Support for UVCIOC_CTRL_ADD in the uvcvideo driver | ||
| 499 | When: 3.2 | ||
| 500 | Why: The information passed to the driver by this ioctl is now queried | ||
| 501 | dynamically from the device. | ||
| 502 | Who: Laurent Pinchart <laurent.pinchart@ideasonboard.com> | ||
| 503 | |||
| 504 | ---------------------------- | ||
| 505 | |||
| 506 | What: Support for UVCIOC_CTRL_MAP_OLD in the uvcvideo driver | ||
| 507 | When: 3.2 | ||
| 508 | Why: Used only by applications compiled against older driver versions. | ||
| 509 | Superseded by UVCIOC_CTRL_MAP which supports V4L2 menu controls. | ||
| 510 | Who: Laurent Pinchart <laurent.pinchart@ideasonboard.com> | ||
| 511 | |||
| 512 | ---------------------------- | ||
| 513 | |||
| 514 | What: Support for UVCIOC_CTRL_GET and UVCIOC_CTRL_SET in the uvcvideo driver | ||
| 515 | When: 3.2 | ||
| 516 | Why: Superseded by the UVCIOC_CTRL_QUERY ioctl. | ||
| 517 | Who: Laurent Pinchart <laurent.pinchart@ideasonboard.com> | ||
| 518 | |||
| 519 | ---------------------------- | ||
| 520 | |||
| 521 | What: Support for driver specific ioctls in the pwc driver (everything | 463 | What: Support for driver specific ioctls in the pwc driver (everything |
| 522 | defined in media/pwc-ioctl.h) | 464 | defined in media/pwc-ioctl.h) |
| 523 | When: 3.3 | 465 | When: 3.3 |
| @@ -594,9 +536,18 @@ Why: In 3.0, we can now autodetect internal 3G device and already have · 70 unmodified lines | |||
| 594 | Who: Lee, Chun-Yi <jlee@novell.com> | 536 | Who: Lee, Chun-Yi <jlee@novell.com> |
| 595 | 537 | ||
| 596 | ---------------------------- | 538 | ---------------------------- |
| 539 | |||
| 597 | What: The XFS nodelaylog mount option | 540 | What: The XFS nodelaylog mount option |
| 598 | When: 3.3 | 541 | When: 3.3 |
| 599 | Why: The delaylog mode that has been the default since 2.6.39 has proven | 542 | Why: The delaylog mode that has been the default since 2.6.39 has proven |
| 600 | stable, and the old code is in the way of additional improvements in | 543 | stable, and the old code is in the way of additional improvements in |
| 601 | the log code. | 544 | the log code. |
| 602 | Who: Christoph Hellwig <hch@lst.de> | 545 | Who: Christoph Hellwig <hch@lst.de> |
| 546 | |||
| 547 | ---------------------------- | ||
| 548 | |||
| 549 | What: iwlagn alias support | ||
| 550 | When: 3.5 | ||
| 551 | Why: The iwlagn module has been renamed iwlwifi. The alias will be around | ||
| 552 | for backward compatibility for several cycles and then dropped. | ||
| 553 | Who: Don Fry <donald.h.fry@intel.com> | ||
| @@ -92,7 +92,7 @@ OPTIONS · 91 unmodified lines | |||
| 92 | 92 | ||
| 93 | wfdno=n the file descriptor for writing with trans=fd | 93 | wfdno=n the file descriptor for writing with trans=fd |
| 94 | 94 | ||
| 95 | maxdata=n the number of bytes to use for 9p packet payload (msize) | 95 | msize=n the number of bytes to use for 9p packet payload |
| 96 | 96 | ||
| 97 | port=n port to connect to on the remote server | 97 | port=n port to connect to on the remote server |
| 98 | 98 | ||
| @@ -29,6 +29,7 @@ d_hash no no no maybe · 28 unmodified lines | |||
| 29 | d_compare: yes no no maybe | 29 | d_compare: yes no no maybe |
| 30 | d_delete: no yes no no | 30 | d_delete: no yes no no |
| 31 | d_release: no no yes no | 31 | d_release: no no yes no |
| 32 | d_prune: no yes no no | ||
| 32 | d_iput: no no yes no | 33 | d_iput: no no yes no |
| 33 | d_dname: no no no no | 34 | d_dname: no no no no |
| 34 | d_automount: no no yes no | 35 | d_automount: no no yes no |
| @@ -73,14 +73,6 @@ nobarrier (*) This also requires an IO stack which can support · 72 unmodified lines | |||
| 73 | also be used to enable or disable barriers, for | 73 | also be used to enable or disable barriers, for |
| 74 | consistency with other ext3 mount options. | 74 | consistency with other ext3 mount options. |
| 75 | 75 | ||
| 76 | orlov (*) This enables the new Orlov block allocator. It is | ||
| 77 | enabled by default. | ||
| 78 | |||
| 79 | oldalloc This disables the Orlov block allocator and enables | ||
| 80 | the old block allocator. Orlov should have better | ||
| 81 | performance - we'd like to get some feedback if it's | ||
| 82 | the contrary for you. | ||
| 83 | |||
| 84 | user_xattr Enables Extended User Attributes. Additionally, you | 76 | user_xattr Enables Extended User Attributes. Additionally, you |
| 85 | need to have extended attribute support enabled in the | 77 | need to have extended attribute support enabled in the |
| 86 | kernel configuration (CONFIG_EXT3_FS_XATTR). See the | 78 | kernel configuration (CONFIG_EXT3_FS_XATTR). See the |
| @@ -160,7 +160,9 @@ noload if the filesystem was not unmounted cleanly, · 159 unmodified lines | |||
| 160 | lead to any number of problems. | 160 | lead to any number of problems. |
| 161 | 161 | ||
| 162 | data=journal All data are committed into the journal prior to being | 162 | data=journal All data are committed into the journal prior to being |
| 163 | written into the main file system. | 163 | written into the main file system. Enabling |
| 164 | this mode will disable delayed allocation and | ||
| 165 | O_DIRECT support. | ||
| 164 | 166 | ||
| 165 | data=ordered (*) All data are forced directly out to the main file | 167 | data=ordered (*) All data are forced directly out to the main file |
| 166 | system prior to its metadata being committed to the | 168 | system prior to its metadata being committed to the |
| @@ -201,30 +203,19 @@ inode_readahead_blks=n This tuning parameter controls the maximum · 34 unmodified lines | |||
| 201 | table readahead algorithm will pre-read into | 203 | table readahead algorithm will pre-read into |
| 202 | the buffer cache. The default value is 32 blocks. | 204 | the buffer cache. The default value is 32 blocks. |
| 203 | 205 | ||
| 204 | orlov (*) This enables the new Orlov block allocator. It is | 206 | nouser_xattr Disables Extended User Attributes. If you have extended |
| 205 | enabled by default. | 207 | attribute support enabled in the kernel configuration |
| 206 | 208 | (CONFIG_EXT4_FS_XATTR), extended attribute support | |
| 207 | oldalloc This disables the Orlov block allocator and enables | 209 | is enabled by default on mount. See the attr(5) manual |
| 208 | the old block allocator. Orlov should have better | 210 | page and http://acl.bestbits.at/ for more information |
| 209 | performance - we'd like to get some feedback if it's | 211 | about extended attributes. |
| 210 | the contrary for you. | ||
| 211 | |||
| 212 | user_xattr Enables Extended User Attributes. Additionally, you | ||
| 213 | need to have extended attribute support enabled in the | ||
| 214 | kernel configuration (CONFIG_EXT4_FS_XATTR). See the | ||
| 215 | attr(5) manual page and http://acl.bestbits.at/ to | ||
| 216 | learn more about extended attributes. | ||
| 217 | |||
| 218 | nouser_xattr Disables Extended User Attributes. | ||
| 219 | |||
| 220 | acl Enables POSIX Access Control Lists support. | ||
| 221 | Additionally, you need to have ACL support enabled in | ||
| 222 | the kernel configuration (CONFIG_EXT4_FS_POSIX_ACL). | ||
| 223 | See the acl(5) manual page and http://acl.bestbits.at/ | ||
| 224 | for more information. | ||
| 225 | 212 | ||
| 226 | noacl This option disables POSIX Access Control List | 213 | noacl This option disables POSIX Access Control List |
| 227 | support. | 214 | support. If ACL support is enabled in the kernel |
| 215 | configuration (CONFIG_EXT4_FS_POSIX_ACL), ACL is | ||
| 216 | enabled by default on mount. See the acl(5) manual | ||
| 217 | page and http://acl.bestbits.at/ for more information | ||
| 218 | about acl. | ||
| 228 | 219 | ||
| 229 | bsddf (*) Make 'df' act like BSD. | 220 | bsddf (*) Make 'df' act like BSD. |
| 230 | minixdf Make 'df' act like Minix. | 221 | minixdf Make 'df' act like Minix. |
| @@ -419,8 +410,8 @@ written to the journal first, and then to its final location. · 188 unmodified lines | |||
| 419 | In the event of a crash, the journal can be replayed, bringing both data and | 410 | In the event of a crash, the journal can be replayed, bringing both data and |
| 420 | metadata into a consistent state. This mode is the slowest except when data | 411 | metadata into a consistent state. This mode is the slowest except when data |
| 421 | needs to be read from and written to disk at the same time where it | 412 | needs to be read from and written to disk at the same time where it |
| 422 | outperforms all others modes. Currently ext4 does not have delayed | 413 | outperforms all others modes. Enabling this mode will disable delayed |
| 423 | allocation support if this data journalling mode is selected. | 414 | allocation and O_DIRECT support. |
| 424 | 415 | ||
| 425 | /proc entries | 416 | /proc entries |
| 426 | ============= | 417 | ============= |
| @@ -1,3 +1,4 @@ | |||
| 1 | Note: This filesystem doesn't have a maintainer. | ||
| 1 | 2 | ||
| 2 | Macintosh HFS Filesystem for Linux | 3 | Macintosh HFS Filesystem for Linux |
| 3 | ================================== | 4 | ================================== |
| @@ -76,8 +77,6 @@ hformat that can be used to create HFS filesystem. See · 72 unmodified lines | |||
| 76 | Credits | 77 | Credits |
| 77 | ======= | 78 | ======= |
| 78 | 79 | ||
| 79 | The HFS drivers was written by Paul H. Hargrovea (hargrove@sccm.Stanford.EDU) | 80 | The HFS drivers was written by Paul H. Hargrovea (hargrove@sccm.Stanford.EDU). |
| 80 | and is now maintained by Roman Zippel (roman@ardistech.com) at Ardis | 81 | Roman Zippel (roman@ardistech.com) rewrote large parts of the code and brought |
| 81 | Technologies. | 82 | in btree routines derived from Brad Boyer's hfsplus driver. |
| 82 | Roman rewrote large parts of the code and brought in btree routines derived | ||
| 83 | from Brad Boyer's hfsplus driver (also maintained by Roman now). | ||
| @@ -194,7 +194,8 @@ associated with the inotify_handle, and on which events are queued. · 193 unmodified lines | |||
| 194 | Each watch is associated with an inotify_watch structure. Watches are chained | 194 | Each watch is associated with an inotify_watch structure. Watches are chained |
| 195 | off of each associated inotify_handle and each associated inode. | 195 | off of each associated inotify_handle and each associated inode. |
| 196 | 196 | ||
| 197 | See fs/inotify.c and fs/inotify_user.c for the locking and lifetime rules. | 197 | See fs/notify/inotify/inotify_fsnotify.c and fs/notify/inotify/inotify_user.c |
| 198 | for the locking and lifetime rules. | ||
| 198 | 199 | ||
| 199 | 200 | ||
| 200 | (vi) Rationale | 201 | (vi) Rationale |
| @@ -4,7 +4,7 @@ sysfs - _The_ filesystem for exporting kernel objects. · 3 unmodified lines | |||
| 4 | Patrick Mochel <mochel@osdl.org> | 4 | Patrick Mochel <mochel@osdl.org> |
| 5 | Mike Murphy <mamurph@cs.clemson.edu> | 5 | Mike Murphy <mamurph@cs.clemson.edu> |
| 6 | 6 | ||
| 7 | Revised: 15 July 2010 | 7 | Revised: 16 August 2011 |
| 8 | Original: 10 January 2003 | 8 | Original: 10 January 2003 |
| 9 | 9 | ||
| 10 | 10 | ||
| @@ -370,3 +370,11 @@ int driver_create_file(struct device_driver *, const struct driver_attribute *); · 359 unmodified lines | |||
| 370 | void driver_remove_file(struct device_driver *, const struct driver_attribute *); | 370 | void driver_remove_file(struct device_driver *, const struct driver_attribute *); |
| 371 | 371 | ||
| 372 | 372 | ||
| 373 | Documentation | ||
| 374 | ~~~~~~~~~~~~~ | ||
| 375 | |||
| 376 | The sysfs directory structure and the attributes in each directory define an | ||
| 377 | ABI between the kernel and user space. As for any ABI, it is important that | ||
| 378 | this ABI is stable and properly documented. All new sysfs attributes must be | ||
| 379 | documented in Documentation/ABI. See also Documentation/ABI/README for more | ||
| 380 | information. | ||
| @@ -0,0 +1,25 @@ | |||
| 1 | Kernel driver ad7314 | ||
| 2 | ==================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Analog Devices AD7314 | ||
| 6 | Prefix: 'ad7314' | ||
| 7 | Datasheet: Publicly available at Analog Devices website. | ||
| 8 | * Analog Devices ADT7301 | ||
| 9 | Prefix: 'adt7301' | ||
| 10 | Datasheet: Publicly available at Analog Devices website. | ||
| 11 | * Analog Devices ADT7302 | ||
| 12 | Prefix: 'adt7302' | ||
| 13 | Datasheet: Publicly available at Analog Devices website. | ||
| 14 | |||
| 15 | Description | ||
| 16 | ----------- | ||
| 17 | |||
| 18 | Driver supports the above parts. The ad7314 has a 10 bit | ||
| 19 | sensor with 1lsb = 0.25 degrees centigrade. The adt7301 and | ||
| 20 | adt7302 have 14 bit sensors with 1lsb = 0.03125 degrees centigrade. | ||
| 21 | |||
| 22 | Notes | ||
| 23 | ----- | ||
| 24 | |||
| 25 | Currently power down mode is not supported. | ||
| @@ -6,6 +6,10 @@ Supported chips: · 5 unmodified lines | |||
| 6 | Prefix: 'adm1275' | 6 | Prefix: 'adm1275' |
| 7 | Addresses scanned: - | 7 | Addresses scanned: - |
| 8 | Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf | 8 | Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf |
| 9 | * Analog Devices ADM1276 | ||
| 10 | Prefix: 'adm1276' | ||
| 11 | Addresses scanned: - | ||
| 12 | Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf | ||
| 9 | 13 | ||
| 10 | Author: Guenter Roeck <guenter.roeck@ericsson.com> | 14 | Author: Guenter Roeck <guenter.roeck@ericsson.com> |
| 11 | 15 | ||
| @@ -13,13 +17,13 @@ Author: Guenter Roeck <guenter.roeck@ericsson.com> · 1 unmodified line | |||
| 13 | Description | 17 | Description |
| 14 | ----------- | 18 | ----------- |
| 15 | 19 | ||
| 16 | This driver supports hardware montoring for Analog Devices ADM1275 Hot-Swap | 20 | This driver supports hardware montoring for Analog Devices ADM1275 and ADM1276 |
| 17 | Controller and Digital Power Monitor. | 21 | Hot-Swap Controller and Digital Power Monitor. |
| 18 | 22 | ||
| 19 | The ADM1275 is a hot-swap controller that allows a circuit board to be removed | 23 | ADM1275 and ADM1276 are hot-swap controllers that allow a circuit board to be |
| 20 | from or inserted into a live backplane. It also features current and voltage | 24 | removed from or inserted into a live backplane. They also feature current and |
| 21 | readback via an integrated 12-bit analog-to-digital converter (ADC), accessed | 25 | voltage readback via an integrated 12-bit analog-to-digital converter (ADC), |
| 22 | using a PMBus. interface. | 26 | accessed using a PMBus interface. |
| 23 | 27 | ||
| 24 | The driver is a client driver to the core PMBus driver. Please see | 28 | The driver is a client driver to the core PMBus driver. Please see |
| 25 | Documentation/hwmon/pmbus for details on PMBus client drivers. | 29 | Documentation/hwmon/pmbus for details on PMBus client drivers. |
| @@ -48,17 +52,25 @@ attributes are write-only, all other attributes are read-only. · 22 unmodified lines | |||
| 48 | 52 | ||
| 49 | in1_label "vin1" or "vout1" depending on chip variant and | 53 | in1_label "vin1" or "vout1" depending on chip variant and |
| 50 | configuration. | 54 | configuration. |
| 51 | in1_input Measured voltage. From READ_VOUT register. | 55 | in1_input Measured voltage. |
| 52 | in1_min Minumum Voltage. From VOUT_UV_WARN_LIMIT register. | 56 | in1_min Minumum Voltage. |
| 53 | in1_max Maximum voltage. From VOUT_OV_WARN_LIMIT register. | 57 | in1_max Maximum voltage. |
| 54 | in1_min_alarm Voltage low alarm. From VOLTAGE_UV_WARNING status. | 58 | in1_min_alarm Voltage low alarm. |
| 55 | in1_max_alarm Voltage high alarm. From VOLTAGE_OV_WARNING status. | 59 | in1_max_alarm Voltage high alarm. |
| 56 | in1_highest Historical maximum voltage. | 60 | in1_highest Historical maximum voltage. |
| 57 | in1_reset_history Write any value to reset history. | 61 | in1_reset_history Write any value to reset history. |
| 58 | 62 | ||
| 59 | curr1_label "iout1" | 63 | curr1_label "iout1" |
| 60 | curr1_input Measured current. From READ_IOUT register. | 64 | curr1_input Measured current. |
| 61 | curr1_max Maximum current. From IOUT_OC_WARN_LIMIT register. | 65 | curr1_max Maximum current. |
| 62 | curr1_max_alarm Current high alarm. From IOUT_OC_WARN_LIMIT register. | 66 | curr1_max_alarm Current high alarm. |
| 67 | curr1_lcrit Critical minimum current. Depending on the chip | ||
| 68 | configuration, either curr1_lcrit or curr1_crit is | ||
| 69 | supported, but not both. | ||
| 70 | curr1_lcrit_alarm Critical current low alarm. | ||
| 71 | curr1_crit Critical maximum current. Depending on the chip | ||
| 72 | configuration, either curr1_lcrit or curr1_crit is | ||
| 73 | supported, but not both. | ||
| 74 | curr1_crit_alarm Critical current high alarm. | ||
| 63 | curr1_highest Historical maximum current. | 75 | curr1_highest Historical maximum current. |
| 64 | curr1_reset_history Write any value to reset history. | 76 | curr1_reset_history Write any value to reset history. |
| @@ -0,0 +1,81 @@ | |||
| 1 | Kernel driver exynos4_tmu | ||
| 2 | ================= | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * ARM SAMSUNG EXYNOS4 series of SoC | ||
| 6 | Prefix: 'exynos4-tmu' | ||
| 7 | Datasheet: Not publicly available | ||
| 8 | |||
| 9 | Authors: Donggeun Kim <dg77.kim@samsung.com> | ||
| 10 | |||
| 11 | Description | ||
| 12 | ----------- | ||
| 13 | |||
| 14 | This driver allows to read temperature inside SAMSUNG EXYNOS4 series of SoC. | ||
| 15 | |||
| 16 | The chip only exposes the measured 8-bit temperature code value | ||
| 17 | through a register. | ||
| 18 | Temperature can be taken from the temperature code. | ||
| 19 | There are three equations converting from temperature to temperature code. | ||
| 20 | |||
| 21 | The three equations are: | ||
| 22 | 1. Two point trimming | ||
| 23 | Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1 | ||
| 24 | |||
| 25 | 2. One point trimming | ||
| 26 | Tc = T + TI1 - 25 | ||
| 27 | |||
| 28 | 3. No trimming | ||
| 29 | Tc = T + 50 | ||
| 30 | |||
| 31 | Tc: Temperature code, T: Temperature, | ||
| 32 | TI1: Trimming info for 25 degree Celsius (stored at TRIMINFO register) | ||
| 33 | Temperature code measured at 25 degree Celsius which is unchanged | ||
| 34 | TI2: Trimming info for 85 degree Celsius (stored at TRIMINFO register) | ||
| 35 | Temperature code measured at 85 degree Celsius which is unchanged | ||
| 36 | |||
| 37 | TMU(Thermal Management Unit) in EXYNOS4 generates interrupt | ||
| 38 | when temperature exceeds pre-defined levels. | ||
| 39 | The maximum number of configurable threshold is four. | ||
| 40 | The threshold levels are defined as follows: | ||
| 41 | Level_0: current temperature > trigger_level_0 + threshold | ||
| 42 | Level_1: current temperature > trigger_level_1 + threshold | ||
| 43 | Level_2: current temperature > trigger_level_2 + threshold | ||
| 44 | Level_3: current temperature > trigger_level_3 + threshold | ||
| 45 | |||
| 46 | The threshold and each trigger_level are set | ||
| 47 | through the corresponding registers. | ||
| 48 | |||
| 49 | When an interrupt occurs, this driver notify user space of | ||
| 50 | one of four threshold levels for the interrupt | ||
| 51 | through kobject_uevent_env and sysfs_notify functions. | ||
| 52 | Although an interrupt condition for level_0 can be set, | ||
| 53 | it is not notified to user space through sysfs_notify function. | ||
| 54 | |||
| 55 | Sysfs Interface | ||
| 56 | --------------- | ||
| 57 | name name of the temperature sensor | ||
| 58 | RO | ||
| 59 | |||
| 60 | temp1_input temperature | ||
| 61 | RO | ||
| 62 | |||
| 63 | temp1_max temperature for level_1 interrupt | ||
| 64 | RO | ||
| 65 | |||
| 66 | temp1_crit temperature for level_2 interrupt | ||
| 67 | RO | ||
| 68 | |||
| 69 | temp1_emergency temperature for level_3 interrupt | ||
| 70 | RO | ||
| 71 | |||
| 72 | temp1_max_alarm alarm for level_1 interrupt | ||
| 73 | RO | ||
| 74 | |||
| 75 | temp1_crit_alarm | ||
| 76 | alarm for level_2 interrupt | ||
| 77 | RO | ||
| 78 | |||
| 79 | temp1_emergency_alarm | ||
| 80 | alarm for level_3 interrupt | ||
| 81 | RO | ||
| @@ -12,26 +12,46 @@ Supported chips: · 11 unmodified lines | |||
| 12 | Addresses scanned: I2C 0x48 - 0x4f | 12 | Addresses scanned: I2C 0x48 - 0x4f |
| 13 | Datasheet: Publicly available at the National Semiconductor website | 13 | Datasheet: Publicly available at the National Semiconductor website |
| 14 | http://www.national.com/ | 14 | http://www.national.com/ |
| 15 | * Dallas Semiconductor DS75 | 15 | * Dallas Semiconductor DS75, DS1775 |
| 16 | Prefix: 'lm75' | 16 | Prefixes: 'ds75', 'ds1775' |
| 17 | Addresses scanned: I2C 0x48 - 0x4f | 17 | Addresses scanned: none |
| 18 | Datasheet: Publicly available at the Dallas Semiconductor website | ||
| 19 | http://www.maxim-ic.com/ | ||
| 20 | * Dallas Semiconductor DS1775 | ||
| 21 | Prefix: 'lm75' | ||
| 22 | Addresses scanned: I2C 0x48 - 0x4f | ||
| 23 | Datasheet: Publicly available at the Dallas Semiconductor website | 18 | Datasheet: Publicly available at the Dallas Semiconductor website |
| 24 | http://www.maxim-ic.com/ | 19 | http://www.maxim-ic.com/ |
| 25 | * Maxim MAX6625, MAX6626 | 20 | * Maxim MAX6625, MAX6626 |
| 26 | Prefix: 'lm75' | 21 | Prefixes: 'max6625', 'max6626' |
| 27 | Addresses scanned: I2C 0x48 - 0x4b | 22 | Addresses scanned: none |
| 28 | Datasheet: Publicly available at the Maxim website | 23 | Datasheet: Publicly available at the Maxim website |
| 29 | http://www.maxim-ic.com/ | 24 | http://www.maxim-ic.com/ |
| 30 | * Microchip (TelCom) TCN75 | 25 | * Microchip (TelCom) TCN75 |
| 31 | Prefix: 'lm75' | 26 | Prefix: 'lm75' |
| 32 | Addresses scanned: I2C 0x48 - 0x4f | 27 | Addresses scanned: none |
| 28 | Datasheet: Publicly available at the Microchip website | ||
| 29 | http://www.microchip.com/ | ||
| 30 | * Microchip MCP9800, MCP9801, MCP9802, MCP9803 | ||
| 31 | Prefix: 'mcp980x' | ||
| 32 | Addresses scanned: none | ||
| 33 | Datasheet: Publicly available at the Microchip website | 33 | Datasheet: Publicly available at the Microchip website |
| 34 | http://www.microchip.com/ | 34 | http://www.microchip.com/ |
| 35 | * Analog Devices ADT75 | ||
| 36 | Prefix: 'adt75' | ||
| 37 | Addresses scanned: none | ||
| 38 | Datasheet: Publicly available at the Analog Devices website | ||
| 39 | http://www.analog.com/adt75 | ||
| 40 | * ST Microelectronics STDS75 | ||
| 41 | Prefix: 'stds75' | ||
| 42 | Addresses scanned: none | ||
| 43 | Datasheet: Publicly available at the ST website | ||
| 44 | http://www.st.com/internet/analog/product/121769.jsp | ||
| 45 | * Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175, TMP275 | ||
| 46 | Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp175', 'tmp75', 'tmp275' | ||
| 47 | Addresses scanned: none | ||
| 48 | Datasheet: Publicly available at the Texas Instruments website | ||
| 49 | http://www.ti.com/product/tmp100 | ||
| 50 | http://www.ti.com/product/tmp101 | ||
| 51 | http://www.ti.com/product/tmp105 | ||
| 52 | http://www.ti.com/product/tmp75 | ||
| 53 | http://www.ti.com/product/tmp175 | ||
| 54 | http://www.ti.com/product/tmp275 | ||
| 35 | 55 | ||
| 36 | Author: Frodo Looijaard <frodol@dds.nl> | 56 | Author: Frodo Looijaard <frodol@dds.nl> |
| 37 | 57 | ||
| @@ -50,21 +70,16 @@ range of -55 to +125 degrees. · 12 unmodified lines | |||
| 50 | The LM75 only updates its values each 1.5 seconds; reading it more often | 70 | The LM75 only updates its values each 1.5 seconds; reading it more often |
| 51 | will do no harm, but will return 'old' values. | 71 | will do no harm, but will return 'old' values. |
| 52 | 72 | ||
| 53 | The LM75 is usually used in combination with LM78-like chips, to measure | 73 | The original LM75 was typically used in combination with LM78-like chips |
| 54 | the temperature of the processor(s). | 74 | on PC motherboards, to measure the temperature of the processor(s). Clones |
| 55 | 75 | are now used in various embedded designs. | |
| 56 | The DS75, DS1775, MAX6625, and MAX6626 are supported as well. | ||
| 57 | They are not distinguished from an LM75. While most of these chips | ||
| 58 | have three additional bits of accuracy (12 vs. 9 for the LM75), | ||
| 59 | the additional bits are not supported. Not only that, but these chips will | ||
| 60 | not be detected if not in 9-bit precision mode (use the force parameter if | ||
| 61 | needed). | ||
| 62 | |||
| 63 | The TCN75 is supported as well, and is not distinguished from an LM75. | ||
| 64 | 76 | ||
| 65 | The LM75 is essentially an industry standard; there may be other | 77 | The LM75 is essentially an industry standard; there may be other |
| 66 | LM75 clones not listed here, with or without various enhancements, | 78 | LM75 clones not listed here, with or without various enhancements, |
| 67 | that are supported. | 79 | that are supported. The clones are not detected by the driver, unless |
| 80 | they reproduce the exact register tricks of the original LM75, and must | ||
| 81 | therefore be instantiated explicitly. The specific enhancements (such as | ||
| 82 | higher resolution) are not currently supported by the driver. | ||
| 68 | 83 | ||
| 69 | The LM77 is not supported, contrary to what we pretended for a long time. | 84 | The LM77 is not supported, contrary to what we pretended for a long time. |
| 70 | Both chips are simply not compatible, value encoding differs. | 85 | Both chips are simply not compatible, value encoding differs. |
| @@ -0,0 +1,103 @@ | |||
| 1 | Kernel driver ltc2978 | ||
| 2 | ===================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Linear Technology LTC2978 | ||
| 6 | Prefix: 'ltc2978' | ||
| 7 | Addresses scanned: - | ||
| 8 | Datasheet: http://cds.linear.com/docs/Datasheet/2978fa.pdf | ||
| 9 | * Linear Technology LTC3880 | ||
| 10 | Prefix: 'ltc3880' | ||
| 11 | Addresses scanned: - | ||
| 12 | Datasheet: http://cds.linear.com/docs/Datasheet/3880f.pdf | ||
| 13 | |||
| 14 | Author: Guenter Roeck <guenter.roeck@ericsson.com> | ||
| 15 | |||
| 16 | |||
| 17 | Description | ||
| 18 | ----------- | ||
| 19 | |||
| 20 | The LTC2978 is an octal power supply monitor, supervisor, sequencer and | ||
| 21 | margin controller. The LTC3880 is a dual, PolyPhase DC/DC synchronous | ||
| 22 | step-down switching regulator controller. | ||
| 23 | |||
| 24 | |||
| 25 | Usage Notes | ||
| 26 | ----------- | ||
| 27 | |||
| 28 | This driver does not probe for PMBus devices. You will have to instantiate | ||
| 29 | devices explicitly. | ||
| 30 | |||
| 31 | Example: the following commands will load the driver for an LTC2978 at address | ||
| 32 | 0x60 on I2C bus #1: | ||
| 33 | |||
| 34 | # modprobe ltc2978 | ||
| 35 | # echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device | ||
| 36 | |||
| 37 | |||
| 38 | Sysfs attributes | ||
| 39 | ---------------- | ||
| 40 | |||
| 41 | in1_label "vin" | ||
| 42 | in1_input Measured input voltage. | ||
| 43 | in1_min Minimum input voltage. | ||
| 44 | in1_max Maximum input voltage. | ||
| 45 | in1_lcrit Critical minimum input voltage. | ||
| 46 | in1_crit Critical maximum input voltage. | ||
| 47 | in1_min_alarm Input voltage low alarm. | ||
| 48 | in1_max_alarm Input voltage high alarm. | ||
| 49 | in1_lcrit_alarm Input voltage critical low alarm. | ||
| 50 | in1_crit_alarm Input voltage critical high alarm. | ||
| 51 | in1_lowest Lowest input voltage. LTC2978 only. | ||
| 52 | in1_highest Highest input voltage. | ||
| 53 | in1_reset_history Reset history. Writing into this attribute will reset | ||
| 54 | history for all attributes. | ||
| 55 | |||
| 56 | in[2-9]_label "vout[1-8]". Channels 3 to 9 on LTC2978 only. | ||
| 57 | in[2-9]_input Measured output voltage. | ||
| 58 | in[2-9]_min Minimum output voltage. | ||
| 59 | in[2-9]_max Maximum output voltage. | ||
| 60 | in[2-9]_lcrit Critical minimum output voltage. | ||
| 61 | in[2-9]_crit Critical maximum output voltage. | ||
| 62 | in[2-9]_min_alarm Output voltage low alarm. | ||
| 63 | in[2-9]_max_alarm Output voltage high alarm. | ||
| 64 | in[2-9]_lcrit_alarm Output voltage critical low alarm. | ||
| 65 | in[2-9]_crit_alarm Output voltage critical high alarm. | ||
| 66 | in[2-9]_lowest Lowest output voltage. LTC2978 only. | ||
| 67 | in[2-9]_highest Lowest output voltage. | ||
| 68 | in[2-9]_reset_history Reset history. Writing into this attribute will reset | ||
| 69 | history for all attributes. | ||
| 70 | |||
| 71 | temp[1-3]_input Measured temperature. | ||
| 72 | On LTC2978, only one temperature measurement is | ||
| 73 | supported and reflects the internal temperature. | ||
| 74 | On LTC3880, temp1 and temp2 report external | ||
| 75 | temperatures, and temp3 reports the internal | ||
| 76 | temperature. | ||
| 77 | temp[1-3]_min Mimimum temperature. | ||
| 78 | temp[1-3]_max Maximum temperature. | ||
| 79 | temp[1-3]_lcrit Critical low temperature. | ||
| 80 | temp[1-3]_crit Critical high temperature. | ||
| 81 | temp[1-3]_min_alarm Chip temperature low alarm. | ||
| 82 | temp[1-3]_max_alarm Chip temperature high alarm. | ||
| 83 | temp[1-3]_lcrit_alarm Chip temperature critical low alarm. | ||
| 84 | temp[1-3]_crit_alarm Chip temperature critical high alarm. | ||
| 85 | temp[1-3]_lowest Lowest measured temperature. LTC2978 only. | ||
| 86 | temp[1-3]_highest Highest measured temperature. | ||
| 87 | temp[1-3]_reset_history Reset history. Writing into this attribute will reset | ||
| 88 | history for all attributes. | ||
| 89 | |||
| 90 | power[1-2]_label "pout[1-2]". LTC3880 only. | ||
| 91 | power[1-2]_input Measured power. | ||
| 92 | |||
| 93 | curr1_label "iin". LTC3880 only. | ||
| 94 | curr1_input Measured input current. | ||
| 95 | curr1_max Maximum input current. | ||
| 96 | curr1_max_alarm Input current high alarm. | ||
| 97 | |||
| 98 | curr[2-3]_label "iout[1-2]". LTC3880 only. | ||
| 99 | curr[2-3]_input Measured input current. | ||
| 100 | curr[2-3]_max Maximum input current. | ||
| 101 | curr[2-3]_crit Critical input current. | ||
| 102 | curr[2-3]_max_alarm Input current high alarm. | ||
| 103 | curr[2-3]_crit_alarm Input current critical high alarm. | ||
| @@ -8,11 +8,6 @@ Supported chips: · 7 unmodified lines | |||
| 8 | Addresses scanned: - | 8 | Addresses scanned: - |
| 9 | Datasheet: | 9 | Datasheet: |
| 10 | http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146395 | 10 | http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146395 |
| 11 | * Linear Technology LTC2978 | ||
| 12 | Octal PMBus Power Supply Monitor and Controller | ||
| 13 | Prefix: 'ltc2978' | ||
| 14 | Addresses scanned: - | ||
| 15 | Datasheet: http://cds.linear.com/docs/Datasheet/2978fa.pdf | ||
| 16 | * ON Semiconductor ADP4000, NCP4200, NCP4208 | 11 | * ON Semiconductor ADP4000, NCP4200, NCP4208 |
| 17 | Prefixes: 'adp4000', 'ncp4200', 'ncp4208' | 12 | Prefixes: 'adp4000', 'ncp4200', 'ncp4208' |
| 18 | Addresses scanned: - | 13 | Addresses scanned: - |
| @@ -20,6 +15,14 @@ Supported chips: · 1 unmodified line | |||
| 20 | http://www.onsemi.com/pub_link/Collateral/ADP4000-D.PDF | 15 | http://www.onsemi.com/pub_link/Collateral/ADP4000-D.PDF |
| 21 | http://www.onsemi.com/pub_link/Collateral/NCP4200-D.PDF | 16 | http://www.onsemi.com/pub_link/Collateral/NCP4200-D.PDF |
| 22 | http://www.onsemi.com/pub_link/Collateral/JUNE%202009-%20REV.%200.PDF | 17 | http://www.onsemi.com/pub_link/Collateral/JUNE%202009-%20REV.%200.PDF |
| 18 | * Lineage Power | ||
| 19 | Prefixes: 'pdt003', 'pdt006', 'pdt012', 'udt020' | ||
| 20 | Addresses scanned: - | ||
| 21 | Datasheets: | ||
| 22 | http://www.lineagepower.com/oem/pdf/PDT003A0X.pdf | ||
| 23 | http://www.lineagepower.com/oem/pdf/PDT006A0X.pdf | ||
| 24 | http://www.lineagepower.com/oem/pdf/PDT012A0X.pdf | ||
| 25 | http://www.lineagepower.com/oem/pdf/UDT020A0X.pdf | ||
| 23 | * Generic PMBus devices | 26 | * Generic PMBus devices |
| 24 | Prefix: 'pmbus' | 27 | Prefix: 'pmbus' |
| 25 | Addresses scanned: - | 28 | Addresses scanned: - |
| @@ -0,0 +1,283 @@ | |||
| 1 | PMBus core driver and internal API | ||
| 2 | ================================== | ||
| 3 | |||
| 4 | Introduction | ||
| 5 | ============ | ||
| 6 | |||
| 7 | [from pmbus.org] The Power Management Bus (PMBus) is an open standard | ||
| 8 | power-management protocol with a fully defined command language that facilitates | ||
| 9 | communication with power converters and other devices in a power system. The | ||
| 10 | protocol is implemented over the industry-standard SMBus serial interface and | ||
| 11 | enables programming, control, and real-time monitoring of compliant power | ||
| 12 | conversion products. This flexible and highly versatile standard allows for | ||
| 13 | communication between devices based on both analog and digital technologies, and | ||
| 14 | provides true interoperability which will reduce design complexity and shorten | ||
| 15 | time to market for power system designers. Pioneered by leading power supply and | ||
| 16 | semiconductor companies, this open power system standard is maintained and | ||
| 17 | promoted by the PMBus Implementers Forum (PMBus-IF), comprising 30+ adopters | ||
| 18 | with the objective to provide support to, and facilitate adoption among, users. | ||
| 19 | |||
| 20 | Unfortunately, while PMBus commands are standardized, there are no mandatory | ||
| 21 | commands, and manufacturers can add as many non-standard commands as they like. | ||
| 22 | Also, different PMBUs devices act differently if non-supported commands are | ||
| 23 | executed. Some devices return an error, some devices return 0xff or 0xffff and | ||
| 24 | set a status error flag, and some devices may simply hang up. | ||
| 25 | |||
| 26 | Despite all those difficulties, a generic PMBus device driver is still useful | ||
| 27 | and supported since kernel version 2.6.39. However, it was necessary to support | ||
| 28 | device specific extensions in addition to the core PMBus driver, since it is | ||
| 29 | simply unknown what new device specific functionality PMBus device developers | ||
| 30 | come up with next. | ||
| 31 | |||
| 32 | To make device specific extensions as scalable as possible, and to avoid having | ||
| 33 | to modify the core PMBus driver repeatedly for new devices, the PMBus driver was | ||
| 34 | split into core, generic, and device specific code. The core code (in | ||
| 35 | pmbus_core.c) provides generic functionality. The generic code (in pmbus.c) | ||
| 36 | provides support for generic PMBus devices. Device specific code is responsible | ||
| 37 | for device specific initialization and, if needed, maps device specific | ||
| 38 | functionality into generic functionality. This is to some degree comparable | ||
| 39 | to PCI code, where generic code is augmented as needed with quirks for all kinds | ||
| 40 | of devices. | ||
| 41 | |||
| 42 | PMBus device capabilities auto-detection | ||
| 43 | ======================================== | ||
| 44 | |||
| 45 | For generic PMBus devices, code in pmbus.c attempts to auto-detect all supported | ||
| 46 | PMBus commands. Auto-detection is somewhat limited, since there are simply too | ||
| 47 | many variables to consider. For example, it is almost impossible to autodetect | ||
| 48 | which PMBus commands are paged and which commands are replicated across all | ||
| 49 | pages (see the PMBus specification for details on multi-page PMBus devices). | ||
| 50 | |||
| 51 | For this reason, it often makes sense to provide a device specific driver if not | ||
| 52 | all commands can be auto-detected. The data structures in this driver can be | ||
| 53 | used to inform the core driver about functionality supported by individual | ||
| 54 | chips. | ||
| 55 | |||
| 56 | Some commands are always auto-detected. This applies to all limit commands | ||
| 57 | (lcrit, min, max, and crit attributes) as well as associated alarm attributes. | ||
| 58 | Limits and alarm attributes are auto-detected because there are simply too many | ||
| 59 | possible combinations to provide a manual configuration interface. | ||
| 60 | |||
| 61 | PMBus internal API | ||
| 62 | ================== | ||
| 63 | |||
| 64 | The API between core and device specific PMBus code is defined in | ||
| 65 | drivers/hwmon/pmbus/pmbus.h. In addition to the internal API, pmbus.h defines | ||
| 66 | standard PMBus commands and virtual PMBus commands. | ||
| 67 | |||
| 68 | Standard PMBus commands | ||
| 69 | ----------------------- | ||
| 70 | |||
| 71 | Standard PMBus commands (commands values 0x00 to 0xff) are defined in the PMBUs | ||
| 72 | specification. | ||
| 73 | |||
| 74 | Virtual PMBus commands | ||
| 75 | ---------------------- | ||
| 76 | |||
| 77 | Virtual PMBus commands are provided to enable support for non-standard | ||
| 78 | functionality which has been implemented by several chip vendors and is thus | ||
| 79 | desirable to support. | ||
| 80 | |||
| 81 | Virtual PMBus commands start with command value 0x100 and can thus easily be | ||
| 82 | distinguished from standard PMBus commands (which can not have values larger | ||
| 83 | than 0xff). Support for virtual PMBus commands is device specific and thus has | ||
| 84 | to be implemented in device specific code. | ||
| 85 | |||
| 86 | Virtual commands are named PMBUS_VIRT_xxx and start with PMBUS_VIRT_BASE. All | ||
| 87 | virtual commands are word sized. | ||
| 88 | |||
| 89 | There are currently two types of virtual commands. | ||
| 90 | |||
| 91 | - READ commands are read-only; writes are either ignored or return an error. | ||
| 92 | - RESET commands are read/write. Reading reset registers returns zero | ||
| 93 | (used for detection), writing any value causes the associated history to be | ||
| 94 | reset. | ||
| 95 | |||
| 96 | Virtual commands have to be handled in device specific driver code. Chip driver | ||
| 97 | code returns non-negative values if a virtual command is supported, or a | ||
| 98 | negative error code if not. The chip driver may return -ENODATA or any other | ||
| 99 | Linux error code in this case, though an error code other than -ENODATA is | ||
| 100 | handled more efficiently and thus preferred. Either case, the calling PMBus | ||
| 101 | core code will abort if the chip driver returns an error code when reading | ||
| 102 | or writing virtual registers (in other words, the PMBus core code will never | ||
| 103 | send a virtual command to a chip). | ||
| 104 | |||
| 105 | PMBus driver information | ||
| 106 | ------------------------ | ||
| 107 | |||
| 108 | PMBus driver information, defined in struct pmbus_driver_info, is the main means | ||
| 109 | for device specific drivers to pass information to the core PMBus driver. | ||
| 110 | Specifically, it provides the following information. | ||
| 111 | |||
| 112 | - For devices supporting its data in Direct Data Format, it provides coefficients | ||
| 113 | for converting register values into normalized data. This data is usually | ||
| 114 | provided by chip manufacturers in device datasheets. | ||
| 115 | - Supported chip functionality can be provided to the core driver. This may be | ||
| 116 | necessary for chips which react badly if non-supported commands are executed, | ||
| 117 | and/or to speed up device detection and initialization. | ||
| 118 | - Several function entry points are provided to support overriding and/or | ||
| 119 | augmenting generic command execution. This functionality can be used to map | ||
| 120 | non-standard PMBus commands to standard commands, or to augment standard | ||
| 121 | command return values with device specific information. | ||
| 122 | |||
| 123 | API functions | ||
| 124 | ------------- | ||
| 125 | |||
| 126 | Functions provided by chip driver | ||
| 127 | --------------------------------- | ||
| 128 | |||
| 129 | All functions return the command return value (read) or zero (write) if | ||
| 130 | successful. A return value of -ENODATA indicates that there is no manufacturer | ||
| 131 | specific command, but that a standard PMBus command may exist. Any other | ||
| 132 | negative return value indicates that the commands does not exist for this | ||
| 133 | chip, and that no attempt should be made to read or write the standard | ||
| 134 | command. | ||
| 135 | |||
| 136 | As mentioned above, an exception to this rule applies to virtual commands, | ||
| 137 | which _must_ be handled in driver specific code. See "Virtual PMBus Commands" | ||
| 138 | above for more details. | ||
| 139 | |||
| 140 | Command execution in the core PMBus driver code is as follows. | ||
| 141 | |||
| 142 | if (chip_access_function) { | ||
| 143 | status = chip_access_function(); | ||
| 144 | if (status != -ENODATA) | ||
| 145 | return status; | ||
| 146 | } | ||
| 147 | if (command >= PMBUS_VIRT_BASE) /* For word commands/registers only */ | ||
| 148 | return -EINVAL; | ||
| 149 | return generic_access(); | ||
| 150 | |||
| 151 | Chip drivers may provide pointers to the following functions in struct | ||
| 152 | pmbus_driver_info. All functions are optional. | ||
| 153 | |||
| 154 | int (*read_byte_data)(struct i2c_client *client, int page, int reg); | ||
| 155 | |||
| 156 | Read byte from page <page>, register <reg>. | ||
| 157 | <page> may be -1, which means "current page". | ||
| 158 | |||
| 159 | int (*read_word_data)(struct i2c_client *client, int page, int reg); | ||
| 160 | |||
| 161 | Read word from page <page>, register <reg>. | ||
| 162 | |||
| 163 | int (*write_word_data)(struct i2c_client *client, int page, int reg, | ||
| 164 | u16 word); | ||
| 165 | |||
| 166 | Write word to page <page>, register <reg>. | ||
| 167 | |||
| 168 | int (*write_byte)(struct i2c_client *client, int page, u8 value); | ||
| 169 | |||
| 170 | Write byte to page <page>, register <reg>. | ||
| 171 | <page> may be -1, which means "current page". | ||
| 172 | |||
| 173 | int (*identify)(struct i2c_client *client, struct pmbus_driver_info *info); | ||
| 174 | |||
| 175 | Determine supported PMBus functionality. This function is only necessary | ||
| 176 | if a chip driver supports multiple chips, and the chip functionality is not | ||
| 177 | pre-determined. It is currently only used by the generic pmbus driver | ||
| 178 | (pmbus.c). | ||
| 179 | |||
| 180 | Functions exported by core driver | ||
| 181 | --------------------------------- | ||
| 182 | |||
| 183 | Chip drivers are expected to use the following functions to read or write | ||
| 184 | PMBus registers. Chip drivers may also use direct I2C commands. If direct I2C | ||
| 185 | commands are used, the chip driver code must not directly modify the current | ||
| 186 | page, since the selected page is cached in the core driver and the core driver | ||
| 187 | will assume that it is selected. Using pmbus_set_page() to select a new page | ||
| 188 | is mandatory. | ||
| 189 | |||
| 190 | int pmbus_set_page(struct i2c_client *client, u8 page); | ||
| 191 | |||
| 192 | Set PMBus page register to <page> for subsequent commands. | ||
| 193 | |||
| 194 | int pmbus_read_word_data(struct i2c_client *client, u8 page, u8 reg); | ||
| 195 | |||
| 196 | Read word data from <page>, <reg>. Similar to i2c_smbus_read_word_data(), but | ||
| 197 | selects page first. | ||
| 198 | |||
| 199 | int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, | ||
| 200 | u16 word); | ||
| 201 | |||
| 202 | Write word data to <page>, <reg>. Similar to i2c_smbus_write_word_data(), but | ||
| 203 | selects page first. | ||
| 204 | |||
| 205 | int pmbus_read_byte_data(struct i2c_client *client, int page, u8 reg); | ||
| 206 | |||
| 207 | Read byte data from <page>, <reg>. Similar to i2c_smbus_read_byte_data(), but | ||
| 208 | selects page first. <page> may be -1, which means "current page". | ||
| 209 | |||
| 210 | int pmbus_write_byte(struct i2c_client *client, int page, u8 value); | ||
| 211 | |||
| 212 | Write byte data to <page>, <reg>. Similar to i2c_smbus_write_byte(), but | ||
| 213 | selects page first. <page> may be -1, which means "current page". | ||
| 214 | |||
| 215 | void pmbus_clear_faults(struct i2c_client *client); | ||
| 216 | |||
| 217 | Execute PMBus "Clear Fault" command on all chip pages. | ||
| 218 | This function calls the device specific write_byte function if defined. | ||
| 219 | Therefore, it must _not_ be called from that function. | ||
| 220 | |||
| 221 | bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg); | ||
| 222 | |||
| 223 | Check if byte register exists. Return true if the register exists, false | ||
| 224 | otherwise. | ||
| 225 | This function calls the device specific write_byte function if defined to | ||
| 226 | obtain the chip status. Therefore, it must _not_ be called from that function. | ||
| 227 | |||
| 228 | bool pmbus_check_word_register(struct i2c_client *client, int page, int reg); | ||
| 229 | |||
| 230 | Check if word register exists. Return true if the register exists, false | ||
| 231 | otherwise. | ||
| 232 | This function calls the device specific write_byte function if defined to | ||
| 233 | obtain the chip status. Therefore, it must _not_ be called from that function. | ||
| 234 | |||
| 235 | int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, | ||
| 236 | struct pmbus_driver_info *info); | ||
| 237 | |||
| 238 | Execute probe function. Similar to standard probe function for other drivers, | ||
| 239 | with the pointer to struct pmbus_driver_info as additional argument. Calls | ||
| 240 | identify function if supported. Must only be called from device probe | ||
| 241 | function. | ||
| 242 | |||
| 243 | void pmbus_do_remove(struct i2c_client *client); | ||
| 244 | |||
| 245 | Execute driver remove function. Similar to standard driver remove function. | ||
| 246 | |||
| 247 | const struct pmbus_driver_info | ||
| 248 | *pmbus_get_driver_info(struct i2c_client *client); | ||
| 249 | |||
| 250 | Return pointer to struct pmbus_driver_info as passed to pmbus_do_probe(). | ||
| 251 | |||
| 252 | |||
| 253 | PMBus driver platform data | ||
| 254 | ========================== | ||
| 255 | |||
| 256 | PMBus platform data is defined in include/linux/i2c/pmbus.h. Platform data | ||
| 257 | currently only provides a flag field with a single bit used. | ||
| 258 | |||
| 259 | #define PMBUS_SKIP_STATUS_CHECK (1 << 0) | ||
| 260 | |||
| 261 | struct pmbus_platform_data { | ||
| 262 | u32 flags; /* Device specific flags */ | ||
| 263 | }; | ||
| 264 | |||
| 265 | |||
| 266 | Flags | ||
| 267 | ----- | ||
| 268 | |||
| 269 | PMBUS_SKIP_STATUS_CHECK | ||
| 270 | |||
| 271 | During register detection, skip checking the status register for | ||
| 272 | communication or command errors. | ||
| 273 | |||
| 274 | Some PMBus chips respond with valid data when trying to read an unsupported | ||
| 275 | register. For such chips, checking the status register is mandatory when | ||
| 276 | trying to determine if a chip register exists or not. | ||
| 277 | Other PMBus chips don't support the STATUS_CML register, or report | ||
| 278 | communication errors for no explicable reason. For such chips, checking the | ||
| 279 | status register must be disabled. | ||
| 280 | |||
| 281 | Some i2c controllers do not support single-byte commands (write commands with | ||
| 282 | no data, i2c_smbus_write_byte()). With such controllers, clearing the status | ||
| 283 | register is impossible, and the PMBUS_SKIP_STATUS_CHECK flag must be set. | ||
| @@ -14,6 +14,10 @@ Supported chips: · 13 unmodified lines | |||
| 14 | Prefix: 'w83627dhg' | 14 | Prefix: 'w83627dhg' |
| 15 | Addresses scanned: ISA address retrieved from Super I/O registers | 15 | Addresses scanned: ISA address retrieved from Super I/O registers |
| 16 | Datasheet: not available | 16 | Datasheet: not available |
| 17 | * Winbond W83627UHG | ||
| 18 | Prefix: 'w83627uhg' | ||
| 19 | Addresses scanned: ISA address retrieved from Super I/O registers | ||
| 20 | Datasheet: available from www.nuvoton.com | ||
| 17 | * Winbond W83667HG | 21 | * Winbond W83667HG |
| 18 | Prefix: 'w83667hg' | 22 | Prefix: 'w83667hg' |
| 19 | Addresses scanned: ISA address retrieved from Super I/O registers | 23 | Addresses scanned: ISA address retrieved from Super I/O registers |
| @@ -42,14 +46,13 @@ Description · 22 unmodified lines | |||
| 42 | ----------- | 46 | ----------- |
| 43 | 47 | ||
| 44 | This driver implements support for the Winbond W83627EHF, W83627EHG, | 48 | This driver implements support for the Winbond W83627EHF, W83627EHG, |
| 45 | W83627DHG, W83627DHG-P, W83667HG, W83667HG-B, W83667HG-I (NCT6775F), | 49 | W83627DHG, W83627DHG-P, W83627UHG, W83667HG, W83667HG-B, W83667HG-I |
| 46 | and NCT6776F super I/O chips. We will refer to them collectively as | 50 | (NCT6775F), and NCT6776F super I/O chips. We will refer to them collectively |
| 47 | Winbond chips. | 51 | as Winbond chips. |
| 48 | 52 | ||
| 49 | The chips implement three temperature sensors (up to four for 667HG-B, and nine | 53 | The chips implement 2 to 4 temperature sensors (9 for NCT6775F and NCT6776F), |
| 50 | for NCT6775F and NCT6776F), five fan rotation speed sensors, ten analog voltage | 54 | 2 to 5 fan rotation speed sensors, 8 to 10 analog voltage sensors, one VID |
| 51 | sensors (only nine for the 627DHG), one VID (6 pins for the 627EHF/EHG, 8 pins | 55 | (except for 627UHG), alarms with beep warnings (control unimplemented), |
| 52 | for the 627DHG and 667HG), alarms with beep warnings (control unimplemented), | ||
| 53 | and some automatic fan regulation strategies (plus manual fan control mode). | 56 | and some automatic fan regulation strategies (plus manual fan control mode). |
| 54 | 57 | ||
| 55 | The temperature sensor sources on W82677HG-B, NCT6775F, and NCT6776F are | 58 | The temperature sensor sources on W82677HG-B, NCT6775F, and NCT6776F are |
| @@ -86,17 +89,16 @@ follows: · 30 unmodified lines | |||
| 86 | 89 | ||
| 87 | temp1 -> pwm1 | 90 | temp1 -> pwm1 |
| 88 | temp2 -> pwm2 | 91 | temp2 -> pwm2 |
| 89 | temp3 -> pwm3 | 92 | temp3 -> pwm3 (not on 627UHG) |
| 90 | prog -> pwm4 (not on 667HG and 667HG-B; the programmable setting is not | 93 | prog -> pwm4 (not on 667HG and 667HG-B; the programmable setting is not |
| 91 | supported by the driver) | 94 | supported by the driver) |
| 92 | 95 | ||
| 93 | /sys files | 96 | /sys files |
| 94 | ---------- | 97 | ---------- |
| 95 | 98 | ||
| 96 | name - this is a standard hwmon device entry. For the W83627EHF and W83627EHG, | 99 | name - this is a standard hwmon device entry, it contains the name of |
| 97 | it is set to "w83627ehf", for the W83627DHG it is set to "w83627dhg", | 100 | the device (see the prefix in the list of supported devices at |
| 98 | for the W83667HG and W83667HG-B it is set to "w83667hg", for NCT6775F it | 101 | the top of this file) |
| 99 | is set to "nct6775", and for NCT6776F it is set to "nct6776". | ||
| 100 | 102 | ||
| 101 | pwm[1-4] - this file stores PWM duty cycle or DC value (fan speed) in range: | 103 | pwm[1-4] - this file stores PWM duty cycle or DC value (fan speed) in range: |
| 102 | 0 (stop) to 255 (full) | 104 | 0 (stop) to 255 (full) |
| @@ -0,0 +1,125 @@ | |||
| 1 | Kernel driver zl6100 | ||
| 2 | ==================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Intersil / Zilker Labs ZL2004 | ||
| 6 | Prefix: 'zl2004' | ||
| 7 | Addresses scanned: - | ||
| 8 | Datasheet: http://www.intersil.com/data/fn/fn6847.pdf | ||
| 9 | * Intersil / Zilker Labs ZL2006 | ||
| 10 | Prefix: 'zl2006' | ||
| 11 | Addresses scanned: - | ||
| 12 | Datasheet: http://www.intersil.com/data/fn/fn6850.pdf | ||
| 13 | * Intersil / Zilker Labs ZL2008 | ||
| 14 | Prefix: 'zl2008' | ||
| 15 | Addresses scanned: - | ||
| 16 | Datasheet: http://www.intersil.com/data/fn/fn6859.pdf | ||
| 17 | * Intersil / Zilker Labs ZL2105 | ||
| 18 | Prefix: 'zl2105' | ||
| 19 | Addresses scanned: - | ||
| 20 | Datasheet: http://www.intersil.com/data/fn/fn6851.pdf | ||
| 21 | * Intersil / Zilker Labs ZL2106 | ||
| 22 | Prefix: 'zl2106' | ||
| 23 | Addresses scanned: - | ||
| 24 | Datasheet: http://www.intersil.com/data/fn/fn6852.pdf | ||
| 25 | * Intersil / Zilker Labs ZL6100 | ||
| 26 | Prefix: 'zl6100' | ||
| 27 | Addresses scanned: - | ||
| 28 | Datasheet: http://www.intersil.com/data/fn/fn6876.pdf | ||
| 29 | * Intersil / Zilker Labs ZL6105 | ||
| 30 | Prefix: 'zl6105' | ||
| 31 | Addresses scanned: - | ||
| 32 | Datasheet: http://www.intersil.com/data/fn/fn6906.pdf | ||
| 33 | |||
| 34 | Author: Guenter Roeck <guenter.roeck@ericsson.com> | ||
| 35 | |||
| 36 | |||
| 37 | Description | ||
| 38 | ----------- | ||
| 39 | |||
| 40 | This driver supports hardware montoring for Intersil / Zilker Labs ZL6100 and | ||
| 41 | compatible digital DC-DC controllers. | ||
| 42 | |||
| 43 | The driver is a client driver to the core PMBus driver. Please see | ||
| 44 | Documentation/hwmon/pmbus and Documentation.hwmon/pmbus-core for details | ||
| 45 | on PMBus client drivers. | ||
| 46 | |||
| 47 | |||
| 48 | Usage Notes | ||
| 49 | ----------- | ||
| 50 | |||
| 51 | This driver does not auto-detect devices. You will have to instantiate the | ||
| 52 | devices explicitly. Please see Documentation/i2c/instantiating-devices for | ||
| 53 | details. | ||
| 54 | |||
| 55 | WARNING: Do not access chip registers using the i2cdump command, and do not use | ||
| 56 | any of the i2ctools commands on a command register used to save and restore | ||
| 57 | configuration data (0x11, 0x12, 0x15, 0x16, and 0xf4). The chips supported by | ||
| 58 | this driver interpret any access to those command registers (including read | ||
| 59 | commands) as request to execute the command in question. Unless write accesses | ||
| 60 | to those registers are protected, this may result in power loss, board resets, | ||
| 61 | and/or Flash corruption. Worst case, your board may turn into a brick. | ||
| 62 | |||
| 63 | |||
| 64 | Platform data support | ||
| 65 | --------------------- | ||
| 66 | |||
| 67 | The driver supports standard PMBus driver platform data. | ||
| 68 | |||
| 69 | |||
| 70 | Module parameters | ||
| 71 | ----------------- | ||
| 72 | |||
| 73 | delay | ||
| 74 | ----- | ||
| 75 | |||
| 76 | Some Intersil/Zilker Labs DC-DC controllers require a minimum interval between | ||
| 77 | I2C bus accesses. According to Intersil, the minimum interval is 2 ms, though | ||
| 78 | 1 ms appears to be sufficient and has not caused any problems in testing. | ||
| 79 | The problem is known to affect ZL6100, ZL2105, and ZL2008. It is known not to | ||
| 80 | affect ZL2004 and ZL6105. The driver automatically sets the interval to 1 ms | ||
| 81 | except for ZL2004 and ZL6105. To enable manual override, the driver provides a | ||
| 82 | writeable module parameter, 'delay', which can be used to set the interval to | ||
| 83 | a value between 0 and 65,535 microseconds. | ||
| 84 | |||
| 85 | |||
| 86 | Sysfs entries | ||
| 87 | ------------- | ||
| 88 | |||
| 89 | The following attributes are supported. Limits are read-write; all other | ||
| 90 | attributes are read-only. | ||
| 91 | |||
| 92 | in1_label "vin" | ||
| 93 | in1_input Measured input voltage. | ||
| 94 | in1_min Minimum input voltage. | ||
| 95 | in1_max Maximum input voltage. | ||
| 96 | in1_lcrit Critical minumum input voltage. | ||
| 97 | in1_crit Critical maximum input voltage. | ||
| 98 | in1_min_alarm Input voltage low alarm. | ||
| 99 | in1_max_alarm Input voltage high alarm. | ||
| 100 | in1_lcrit_alarm Input voltage critical low alarm. | ||
| 101 | in1_crit_alarm Input voltage critical high alarm. | ||
| 102 | |||
| 103 | in2_label "vout1" | ||
| 104 | in2_input Measured output voltage. | ||
| 105 | in2_lcrit Critical minumum output Voltage. | ||
| 106 | in2_crit Critical maximum output voltage. | ||
| 107 | in2_lcrit_alarm Critical output voltage critical low alarm. | ||
| 108 | in2_crit_alarm Critical output voltage critical high alarm. | ||
| 109 | |||
| 110 | curr1_label "iout1" | ||
| 111 | curr1_input Measured output current. | ||
| 112 | curr1_lcrit Critical minimum output current. | ||
| 113 | curr1_crit Critical maximum output current. | ||
| 114 | curr1_lcrit_alarm Output current critical low alarm. | ||
| 115 | curr1_crit_alarm Output current critical high alarm. | ||
| 116 | |||
| 117 | temp[12]_input Measured temperature. | ||
| 118 | temp[12]_min Minimum temperature. | ||
| 119 | temp[12]_max Maximum temperature. | ||
| 120 | temp[12]_lcrit Critical low temperature. | ||
| 121 | temp[12]_crit Critical high temperature. | ||
| 122 | temp[12]_min_alarm Chip temperature low alarm. | ||
| 123 | temp[12]_max_alarm Chip temperature high alarm. | ||
| 124 | temp[12]_lcrit_alarm Chip temperature critical low alarm. | ||
| 125 | temp[12]_crit_alarm Chip temperature critical high alarm. | ||
| @@ -39,23 +39,20 @@ independent, drivers. · 38 unmodified lines | |||
| 39 | in case an unused hwspinlock isn't available. Users of this | 39 | in case an unused hwspinlock isn't available. Users of this |
| 40 | API will usually want to communicate the lock's id to the remote core | 40 | API will usually want to communicate the lock's id to the remote core |
| 41 | before it can be used to achieve synchronization. | 41 | before it can be used to achieve synchronization. |
| 42 | Can be called from an atomic context (this function will not sleep) but | 42 | Should be called from a process context (might sleep). |
| 43 | not from within interrupt context. | ||
| 44 | 43 | ||
| 45 | struct hwspinlock *hwspin_lock_request_specific(unsigned int id); | 44 | struct hwspinlock *hwspin_lock_request_specific(unsigned int id); |
| 46 | - assign a specific hwspinlock id and return its address, or NULL | 45 | - assign a specific hwspinlock id and return its address, or NULL |
| 47 | if that hwspinlock is already in use. Usually board code will | 46 | if that hwspinlock is already in use. Usually board code will |
| 48 | be calling this function in order to reserve specific hwspinlock | 47 | be calling this function in order to reserve specific hwspinlock |
| 49 | ids for predefined purposes. | 48 | ids for predefined purposes. |
| 50 | Can be called from an atomic context (this function will not sleep) but | 49 | Should be called from a process context (might sleep). |
| 51 | not from within interrupt context. | ||
| 52 | 50 | ||
| 53 | int hwspin_lock_free(struct hwspinlock *hwlock); | 51 | int hwspin_lock_free(struct hwspinlock *hwlock); |
| 54 | - free a previously-assigned hwspinlock; returns 0 on success, or an | 52 | - free a previously-assigned hwspinlock; returns 0 on success, or an |
| 55 | appropriate error code on failure (e.g. -EINVAL if the hwspinlock | 53 | appropriate error code on failure (e.g. -EINVAL if the hwspinlock |
| 56 | is already free). | 54 | is already free). |
| 57 | Can be called from an atomic context (this function will not sleep) but | 55 | Should be called from a process context (might sleep). |
| 58 | not from within interrupt context. | ||
| 59 | 56 | ||
| 60 | int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout); | 57 | int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout); |
| 61 | - lock a previously-assigned hwspinlock with a timeout limit (specified in | 58 | - lock a previously-assigned hwspinlock with a timeout limit (specified in |
| @@ -230,45 +227,62 @@ int hwspinlock_example2(void) · 168 unmodified lines | |||
| 230 | 227 | ||
| 231 | 4. API for implementors | 228 | 4. API for implementors |
| 232 | 229 | ||
| 233 | int hwspin_lock_register(struct hwspinlock *hwlock); | 230 | int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev, |
| 231 | const struct hwspinlock_ops *ops, int base_id, int num_locks); | ||
| 234 | - to be called from the underlying platform-specific implementation, in | 232 | - to be called from the underlying platform-specific implementation, in |
| 235 | order to register a new hwspinlock instance. Can be called from an atomic | 233 | order to register a new hwspinlock device (which is usually a bank of |
| 236 | context (this function will not sleep) but not from within interrupt | 234 | numerous locks). Should be called from a process context (this function |
| 237 | context. Returns 0 on success, or appropriate error code on failure. | 235 | might sleep). |
| 236 | Returns 0 on success, or appropriate error code on failure. | ||
| 238 | 237 | ||
| 239 | struct hwspinlock *hwspin_lock_unregister(unsigned int id); | 238 | int hwspin_lock_unregister(struct hwspinlock_device *bank); |
| 240 | - to be called from the underlying vendor-specific implementation, in order | 239 | - to be called from the underlying vendor-specific implementation, in order |
| 241 | to unregister an existing (and unused) hwspinlock instance. | 240 | to unregister an hwspinlock device (which is usually a bank of numerous |
| 242 | Can be called from an atomic context (will not sleep) but not from | 241 | locks). |
| 243 | within interrupt context. | 242 | Should be called from a process context (this function might sleep). |
| 244 | Returns the address of hwspinlock on success, or NULL on error (e.g. | 243 | Returns the address of hwspinlock on success, or NULL on error (e.g. |
| 245 | if the hwspinlock is sill in use). | 244 | if the hwspinlock is sill in use). |
| 246 | 245 | ||
| 247 | 5. struct hwspinlock | 246 | 5. Important structs |
| 248 | 247 | ||
| 249 | This struct represents an hwspinlock instance. It is registered by the | 248 | struct hwspinlock_device is a device which usually contains a bank |
| 250 | underlying hwspinlock implementation using the hwspin_lock_register() API. | 249 | of hardware locks. It is registered by the underlying hwspinlock |
| 250 | implementation using the hwspin_lock_register() API. | ||
| 251 | 251 | ||
| 252 | /** | 252 | /** |
| 253 | * struct hwspinlock - vendor-specific hwspinlock implementation | 253 | * struct hwspinlock_device - a device which usually spans numerous hwspinlocks |
| 254 | * | 254 | * @dev: underlying device, will be used to invoke runtime PM api |
| 255 | * @dev: underlying device, will be used with runtime PM api | 255 | * @ops: platform-specific hwspinlock handlers |
| 256 | * @ops: vendor-specific hwspinlock handlers | 256 | * @base_id: id index of the first lock in this device |
| 257 | * @id: a global, unique, system-wide, index of the lock. | 257 | * @num_locks: number of locks in this device |
| 258 | * @lock: initialized and used by hwspinlock core | 258 | * @lock: dynamically allocated array of 'struct hwspinlock' |
| 259 | * @owner: underlying implementation module, used to maintain module ref count | ||
| 260 | */ | 259 | */ |
| 261 | struct hwspinlock { | 260 | struct hwspinlock_device { |
| 262 | struct device *dev; | 261 | struct device *dev; |
| 263 | const struct hwspinlock_ops *ops; | 262 | const struct hwspinlock_ops *ops; |
| 264 | int id; | 263 | int base_id; |
| 264 | int num_locks; | ||
| 265 | struct hwspinlock lock[0]; | ||
| 266 | }; | ||
| 267 | |||
| 268 | struct hwspinlock_device contains an array of hwspinlock structs, each | ||
| 269 | of which represents a single hardware lock: | ||
| 270 | |||
| 271 | /** | ||
| 272 | * struct hwspinlock - this struct represents a single hwspinlock instance | ||
| 273 | * @bank: the hwspinlock_device structure which owns this lock | ||
| 274 | * @lock: initialized and used by hwspinlock core | ||
| 275 | * @priv: private data, owned by the underlying platform-specific hwspinlock drv | ||
| 276 | */ | ||
| 277 | struct hwspinlock { | ||
| 278 | struct hwspinlock_device *bank; | ||
| 265 | spinlock_t lock; | 279 | spinlock_t lock; |
| 266 | struct module *owner; | 280 | void *priv; |
| 267 | }; | 281 | }; |
| 268 | 282 | ||
| 269 | The underlying implementation is responsible to assign the dev, ops, id and | 283 | When registering a bank of locks, the hwspinlock driver only needs to |
| 270 | owner members. The lock member, OTOH, is initialized and used by the hwspinlock | 284 | set the priv members of the locks. The rest of the members are set and |
| 271 | core. | 285 | initialized by the hwspinlock core itself. |
| 272 | 286 | ||
| 273 | 6. Implementation callbacks | 287 | 6. Implementation callbacks |
| 274 | 288 | ||
| @@ -88,6 +88,10 @@ byte. But this time, the data is a complete word (16 bits). · 87 unmodified lines | |||
| 88 | 88 | ||
| 89 | S Addr Wr [A] Comm [A] S Addr Rd [A] [DataLow] A [DataHigh] NA P | 89 | S Addr Wr [A] Comm [A] S Addr Rd [A] [DataLow] A [DataHigh] NA P |
| 90 | 90 | ||
| 91 | Note the convenience function i2c_smbus_read_word_swapped is | ||
| 92 | available for reads where the two data bytes are the other way | ||
| 93 | around (not SMBus compliant, but very popular.) | ||
| 94 | |||
| 91 | 95 | ||
| 92 | SMBus Write Byte: i2c_smbus_write_byte_data() | 96 | SMBus Write Byte: i2c_smbus_write_byte_data() |
| 93 | ============================================== | 97 | ============================================== |
| @@ -108,6 +112,10 @@ specified through the Comm byte. · 14 unmodified lines | |||
| 108 | 112 | ||
| 109 | S Addr Wr [A] Comm [A] DataLow [A] DataHigh [A] P | 113 | S Addr Wr [A] Comm [A] DataLow [A] DataHigh [A] P |
| 110 | 114 | ||
| 115 | Note the convenience function i2c_smbus_write_word_swapped is | ||
| 116 | available for writes where the two data bytes are the other way | ||
| 117 | around (not SMBus compliant, but very popular.) | ||
| 118 | |||
| 111 | 119 | ||
| 112 | SMBus Process Call: i2c_smbus_process_call() | 120 | SMBus Process Call: i2c_smbus_process_call() |
| 113 | ============================================= | 121 | ============================================= |
| @@ -16,15 +16,28 @@ Contents · 15 unmodified lines | |||
| 16 | 16 | ||
| 17 | 1. Introduction | 17 | 1. Introduction |
| 18 | 2. Extra knobs | 18 | 2. Extra knobs |
| 19 | 3. Hardware version 1 | 19 | 3. Differentiating hardware versions |
| 20 | 3.1 Registers | 20 | 4. Hardware version 1 |
| 21 | 3.2 Native relative mode 4 byte packet format | ||
| 22 | 3.3 Native absolute mode 4 byte packet format | ||
| 23 | 4. Hardware version 2 | ||
| 24 | 4.1 Registers | 21 | 4.1 Registers |
| 25 | 4.2 Native absolute mode 6 byte packet format | 22 | 4.2 Native relative mode 4 byte packet format |
| 26 | 4.2.1 One finger touch | 23 | 4.3 Native absolute mode 4 byte packet format |
| 27 | 4.2.2 Two finger touch | 24 | 5. Hardware version 2 |
| 25 | 5.1 Registers | ||
| 26 | 5.2 Native absolute mode 6 byte packet format | ||
| 27 | 5.2.1 Parity checking and packet re-synchronization | ||
| 28 | 5.2.2 One/Three finger touch | ||
| 29 | 5.2.3 Two finger touch | ||
| 30 | 6. Hardware version 3 | ||
| 31 | 6.1 Registers | ||
| 32 | 6.2 Native absolute mode 6 byte packet format | ||
| 33 | 6.2.1 One/Three finger touch | ||
| 34 | 6.2.2 Two finger touch | ||
| 35 | 7. Hardware version 4 | ||
| 36 | 7.1 Registers | ||
| 37 | 7.2 Native absolute mode 6 byte packet format | ||
| 38 | 7.2.1 Status packet | ||
| 39 | 7.2.2 Head packet | ||
| 40 | 7.2.3 Motion packet | ||
| 28 | 41 | ||
| 29 | 42 | ||
| 30 | 43 | ||
| @@ -375,7 +388,7 @@ For all the other ones, there are just a few constant bits: · 344 unmodified lines | |||
| 375 | 388 | ||
| 376 | In case an error is detected, all the packets are shifted by one (and packet[0] is discarded). | 389 | In case an error is detected, all the packets are shifted by one (and packet[0] is discarded). |
| 377 | 390 | ||
| 378 | 5.2.1 One/Three finger touch | 391 | 5.2.2 One/Three finger touch |
| 379 | ~~~~~~~~~~~~~~~~ | 392 | ~~~~~~~~~~~~~~~~ |
| 380 | 393 | ||
| 381 | byte 0: | 394 | byte 0: |
| @@ -384,19 +397,19 @@ byte 0: · 2 unmodified lines | |||
| 384 | n1 n0 w3 w2 . . R L | 397 | n1 n0 w3 w2 . . R L |
| 385 | 398 | ||
| 386 | L, R = 1 when Left, Right mouse button pressed | 399 | L, R = 1 when Left, Right mouse button pressed |
| 387 | n1..n0 = numbers of fingers on touchpad | 400 | n1..n0 = number of fingers on touchpad |
| 388 | 401 | ||
| 389 | byte 1: | 402 | byte 1: |
| 390 | 403 | ||
| 391 | bit 7 6 5 4 3 2 1 0 | 404 | bit 7 6 5 4 3 2 1 0 |
| 392 | p7 p6 p5 p4 . x10 x9 x8 | 405 | p7 p6 p5 p4 x11 x10 x9 x8 |
| 393 | 406 | ||
| 394 | byte 2: | 407 | byte 2: |
| 395 | 408 | ||
| 396 | bit 7 6 5 4 3 2 1 0 | 409 | bit 7 6 5 4 3 2 1 0 |
| 397 | x7 x6 x5 x4 x3 x2 x1 x0 | 410 | x7 x6 x5 x4 x3 x2 x1 x0 |
| 398 | 411 | ||
| 399 | x10..x0 = absolute x value (horizontal) | 412 | x11..x0 = absolute x value (horizontal) |
| 400 | 413 | ||
| 401 | byte 3: | 414 | byte 3: |
| 402 | 415 | ||
| @@ -420,7 +433,7 @@ byte 3: · 17 unmodified lines | |||
| 420 | byte 4: | 433 | byte 4: |
| 421 | 434 | ||
| 422 | bit 7 6 5 4 3 2 1 0 | 435 | bit 7 6 5 4 3 2 1 0 |
| 423 | p3 p1 p2 p0 . . y9 y8 | 436 | p3 p1 p2 p0 y11 y10 y9 y8 |
| 424 | 437 | ||
| 425 | p7..p0 = pressure (not EF113) | 438 | p7..p0 = pressure (not EF113) |
| 426 | 439 | ||
| @@ -429,10 +442,10 @@ byte 5: · 2 unmodified lines | |||
| 429 | bit 7 6 5 4 3 2 1 0 | 442 | bit 7 6 5 4 3 2 1 0 |
| 430 | y7 y6 y5 y4 y3 y2 y1 y0 | 443 | y7 y6 y5 y4 y3 y2 y1 y0 |
| 431 | 444 | ||
| 432 | y9..y0 = absolute y value (vertical) | 445 | y11..y0 = absolute y value (vertical) |
| 433 | 446 | ||
| 434 | 447 | ||
| 435 | 4.2.2 Two finger touch | 448 | 5.2.3 Two finger touch |
| 436 | ~~~~~~~~~~~~~~~~ | 449 | ~~~~~~~~~~~~~~~~ |
| 437 | 450 | ||
| 438 | Note that the two pairs of coordinates are not exactly the coordinates of the | 451 | Note that the two pairs of coordinates are not exactly the coordinates of the |
| @@ -446,7 +459,7 @@ byte 0: · 7 unmodified lines | |||
| 446 | n1 n0 ay8 ax8 . . R L | 459 | n1 n0 ay8 ax8 . . R L |
| 447 | 460 | ||
| 448 | L, R = 1 when Left, Right mouse button pressed | 461 | L, R = 1 when Left, Right mouse button pressed |
| 449 | n1..n0 = numbers of fingers on touchpad | 462 | n1..n0 = number of fingers on touchpad |
| 450 | 463 | ||
| 451 | byte 1: | 464 | byte 1: |
| 452 | 465 | ||
| @@ -480,3 +493,253 @@ byte 5: · 27 unmodified lines | |||
| 480 | by7 by8 by5 by4 by3 by2 by1 by0 | 493 | by7 by8 by5 by4 by3 by2 by1 by0 |
| 481 | 494 | ||
| 482 | by8..by0 = upper-right finger absolute y value | 495 | by8..by0 = upper-right finger absolute y value |
| 496 | |||
| 497 | ///////////////////////////////////////////////////////////////////////////// | ||
| 498 | |||
| 499 | 6. Hardware version 3 | ||
| 500 | ================== | ||
| 501 | |||
| 502 | 6.1 Registers | ||
| 503 | ~~~~~~~~~ | ||
| 504 | * reg_10 | ||
| 505 | |||
| 506 | bit 7 6 5 4 3 2 1 0 | ||
| 507 | 0 0 0 0 0 0 0 A | ||
| 508 | |||
| 509 | A: 1 = enable absolute tracking | ||
| 510 | |||
| 511 | 6.2 Native absolute mode 6 byte packet format | ||
| 512 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| 513 | 1 and 3 finger touch shares the same 6-byte packet format, except that | ||
| 514 | 3 finger touch only reports the position of the center of all three fingers. | ||
| 515 | |||
| 516 | Firmware would send 12 bytes of data for 2 finger touch. | ||
| 517 | |||
| 518 | Note on debounce: | ||
| 519 | In case the box has unstable power supply or other electricity issues, or | ||
| 520 | when number of finger changes, F/W would send "debounce packet" to inform | ||
| 521 | driver that the hardware is in debounce status. | ||
| 522 | The debouce packet has the following signature: | ||
| 523 | byte 0: 0xc4 | ||
| 524 | byte 1: 0xff | ||
| 525 | byte 2: 0xff | ||
| 526 | byte 3: 0x02 | ||
| 527 | byte 4: 0xff | ||
| 528 | byte 5: 0xff | ||
| 529 | When we encounter this kind of packet, we just ignore it. | ||
| 530 | |||
| 531 | 6.2.1 One/Three finger touch | ||
| 532 | ~~~~~~~~~~~~~~~~~~~~~~ | ||
| 533 | |||
| 534 | byte 0: | ||
| 535 | |||
| 536 | bit 7 6 5 4 3 2 1 0 | ||
| 537 | n1 n0 w3 w2 0 1 R L | ||
| 538 | |||
| 539 | L, R = 1 when Left, Right mouse button pressed | ||
| 540 | n1..n0 = number of fingers on touchpad | ||
| 541 | |||
| 542 | byte 1: | ||
| 543 | |||
| 544 | bit 7 6 5 4 3 2 1 0 | ||
| 545 | p7 p6 p5 p4 x11 x10 x9 x8 | ||
| 546 | |||
| 547 | byte 2: | ||
| 548 | |||
| 549 | bit 7 6 5 4 3 2 1 0 | ||
| 550 | x7 x6 x5 x4 x3 x2 x1 x0 | ||
| 551 | |||
| 552 | x11..x0 = absolute x value (horizontal) | ||
| 553 | |||
| 554 | byte 3: | ||
| 555 | |||
| 556 | bit 7 6 5 4 3 2 1 0 | ||
| 557 | 0 0 w1 w0 0 0 1 0 | ||
| 558 | |||
| 559 | w3..w0 = width of the finger touch | ||
| 560 | |||
| 561 | byte 4: | ||
| 562 | |||
| 563 | bit 7 6 5 4 3 2 1 0 | ||
| 564 | p3 p1 p2 p0 y11 y10 y9 y8 | ||
| 565 | |||
| 566 | p7..p0 = pressure | ||
| 567 | |||
| 568 | byte 5: | ||
| 569 | |||
| 570 | bit 7 6 5 4 3 2 1 0 | ||
| 571 | y7 y6 y5 y4 y3 y2 y1 y0 | ||
| 572 | |||
| 573 | y11..y0 = absolute y value (vertical) | ||
| 574 | |||
| 575 | 6.2.2 Two finger touch | ||
| 576 | ~~~~~~~~~~~~~~~~ | ||
| 577 | |||
| 578 | The packet format is exactly the same for two finger touch, except the hardware | ||
| 579 | sends two 6 byte packets. The first packet contains data for the first finger, | ||
| 580 | the second packet has data for the second finger. So for two finger touch a | ||
| 581 | total of 12 bytes are sent. | ||
| 582 | |||
| 583 | ///////////////////////////////////////////////////////////////////////////// | ||
| 584 | |||
| 585 | 7. Hardware version 4 | ||
| 586 | ================== | ||
| 587 | |||
| 588 | 7.1 Registers | ||
| 589 | ~~~~~~~~~ | ||
| 590 | * reg_07 | ||
| 591 | |||
| 592 | bit 7 6 5 4 3 2 1 0 | ||
| 593 | 0 0 0 0 0 0 0 A | ||
| 594 | |||
| 595 | A: 1 = enable absolute tracking | ||
| 596 | |||
| 597 | 7.2 Native absolute mode 6 byte packet format | ||
| 598 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| 599 | v4 hardware is a true multitouch touchpad, capable of tracking up to 5 fingers. | ||
| 600 | Unfortunately, due to PS/2's limited bandwidth, its packet format is rather | ||
| 601 | complex. | ||
| 602 | |||
| 603 | Whenever the numbers or identities of the fingers changes, the hardware sends a | ||
| 604 | status packet to indicate how many and which fingers is on touchpad, followed by | ||
| 605 | head packets or motion packets. A head packet contains data of finger id, finger | ||
| 606 | position (absolute x, y values), width, and pressure. A motion packet contains | ||
| 607 | two fingers' position delta. | ||
| 608 | |||
| 609 | For example, when status packet tells there are 2 fingers on touchpad, then we | ||
| 610 | can expect two following head packets. If the finger status doesn't change, | ||
| 611 | the following packets would be motion packets, only sending delta of finger | ||
| 612 | position, until we receive a status packet. | ||
| 613 | |||
| 614 | One exception is one finger touch. when a status packet tells us there is only | ||
| 615 | one finger, the hardware would just send head packets afterwards. | ||
| 616 | |||
| 617 | 7.2.1 Status packet | ||
| 618 | ~~~~~~~~~~~~~ | ||
| 619 | |||
| 620 | byte 0: | ||
| 621 | |||
| 622 | bit 7 6 5 4 3 2 1 0 | ||
| 623 | . . . . 0 1 R L | ||
| 624 | |||
| 625 | L, R = 1 when Left, Right mouse button pressed | ||
| 626 | |||
| 627 | byte 1: | ||
| 628 | |||
| 629 | bit 7 6 5 4 3 2 1 0 | ||
| 630 | . . . ft4 ft3 ft2 ft1 ft0 | ||
| 631 | |||
| 632 | ft4 ft3 ft2 ft1 ft0 ftn = 1 when finger n is on touchpad | ||
| 633 | |||
| 634 | byte 2: not used | ||
| 635 | |||
| 636 | byte 3: | ||
| 637 | |||
| 638 | bit 7 6 5 4 3 2 1 0 | ||
| 639 | . . . 1 0 0 0 0 | ||
| 640 | |||
| 641 | constant bits | ||
| 642 | |||
| 643 | byte 4: | ||
| 644 | |||
| 645 | bit 7 6 5 4 3 2 1 0 | ||
| 646 | p . . . . . . . | ||
| 647 | |||
| 648 | p = 1 for palm | ||
| 649 | |||
| 650 | byte 5: not used | ||
| 651 | |||
| 652 | 7.2.2 Head packet | ||
| 653 | ~~~~~~~~~~~ | ||
| 654 | |||
| 655 | byte 0: | ||
| 656 | |||
| 657 | bit 7 6 5 4 3 2 1 0 | ||
| 658 | w3 w2 w1 w0 0 1 R L | ||
| 659 | |||
| 660 | L, R = 1 when Left, Right mouse button pressed | ||
| 661 | w3..w0 = finger width (spans how many trace lines) | ||
| 662 | |||
| 663 | byte 1: | ||
| 664 | |||
| 665 | bit 7 6 5 4 3 2 1 0 | ||
| 666 | p7 p6 p5 p4 x11 x10 x9 x8 | ||
| 667 | |||
| 668 | byte 2: | ||
| 669 | |||
| 670 | bit 7 6 5 4 3 2 1 0 | ||
| 671 | x7 x6 x5 x4 x3 x2 x1 x0 | ||
| 672 | |||
| 673 | x11..x0 = absolute x value (horizontal) | ||
| 674 | |||
| 675 | byte 3: | ||
| 676 | |||
| 677 | bit 7 6 5 4 3 2 1 0 | ||
| 678 | id2 id1 id0 1 0 0 0 1 | ||
| 679 | |||
| 680 | id2..id0 = finger id | ||
| 681 | |||
| 682 | byte 4: | ||
| 683 | |||
| 684 | bit 7 6 5 4 3 2 1 0 | ||
| 685 | p3 p1 p2 p0 y11 y10 y9 y8 | ||
| 686 | |||
| 687 | p7..p0 = pressure | ||
| 688 | |||
| 689 | byte 5: | ||
| 690 | |||
| 691 | bit 7 6 5 4 3 2 1 0 | ||
| 692 | y7 y6 y5 y4 y3 y2 y1 y0 | ||
| 693 | |||
| 694 | y11..y0 = absolute y value (vertical) | ||
| 695 | |||
| 696 | 7.2.3 Motion packet | ||
| 697 | ~~~~~~~~~~~~~ | ||
| 698 | |||
| 699 | byte 0: | ||
| 700 | |||
| 701 | bit 7 6 5 4 3 2 1 0 | ||
| 702 | id2 id1 id0 w 0 1 R L | ||
| 703 | |||
| 704 | L, R = 1 when Left, Right mouse button pressed | ||
| 705 | id2..id0 = finger id | ||
| 706 | w = 1 when delta overflows (> 127 or < -128), in this case | ||
| 707 | firmware sends us (delta x / 5) and (delta y / 5) | ||
| 708 | |||
| 709 | byte 1: | ||
| 710 | |||
| 711 | bit 7 6 5 4 3 2 1 0 | ||
| 712 | x7 x6 x5 x4 x3 x2 x1 x0 | ||
| 713 | |||
| 714 | x7..x0 = delta x (two's complement) | ||
| 715 | |||
| 716 | byte 2: | ||
| 717 | |||
| 718 | bit 7 6 5 4 3 2 1 0 | ||
| 719 | y7 y6 y5 y4 y3 y2 y1 y0 | ||
| 720 | |||
| 721 | y7..y0 = delta y (two's complement) | ||
| 722 | |||
| 723 | byte 3: | ||
| 724 | |||
| 725 | bit 7 6 5 4 3 2 1 0 | ||
| 726 | id2 id1 id0 1 0 0 1 0 | ||
| 727 | |||
| 728 | id2..id0 = finger id | ||
| 729 | |||
| 730 | byte 4: | ||
| 731 | |||
| 732 | bit 7 6 5 4 3 2 1 0 | ||
| 733 | x7 x6 x5 x4 x3 x2 x1 x0 | ||
| 734 | |||
| 735 | x7..x0 = delta x (two's complement) | ||
| 736 | |||
| 737 | byte 5: | ||
| 738 | |||
| 739 | bit 7 6 5 4 3 2 1 0 | ||
| 740 | y7 y6 y5 y4 y3 y2 y1 y0 | ||
| 741 | |||
| 742 | y7..y0 = delta y (two's complement) | ||
| 743 | |||
| 744 | byte 0 ~ 2 for one finger | ||
| 745 | byte 3 ~ 5 for another | ||
| @@ -65,6 +65,20 @@ the full state of each initiated contact has to reside in the receiving · 64 unmodified lines | |||
| 65 | end. Upon receiving an MT event, one simply updates the appropriate | 65 | end. Upon receiving an MT event, one simply updates the appropriate |
| 66 | attribute of the current slot. | 66 | attribute of the current slot. |
| 67 | 67 | ||
| 68 | Some devices identify and/or track more contacts than they can report to the | ||
| 69 | driver. A driver for such a device should associate one type B slot with each | ||
| 70 | contact that is reported by the hardware. Whenever the identity of the | ||
| 71 | contact associated with a slot changes, the driver should invalidate that | ||
| 72 | slot by changing its ABS_MT_TRACKING_ID. If the hardware signals that it is | ||
| 73 | tracking more contacts than it is currently reporting, the driver should use | ||
| 74 | a BTN_TOOL_*TAP event to inform userspace of the total number of contacts | ||
| 75 | being tracked by the hardware at that moment. The driver should do this by | ||
| 76 | explicitly sending the corresponding BTN_TOOL_*TAP event and setting | ||
| 77 | use_count to false when calling input_mt_report_pointer_emulation(). | ||
| 78 | The driver should only advertise as many slots as the hardware can report. | ||
| 79 | Userspace can detect that a driver can report more total contacts than slots | ||
| 80 | by noting that the largest supported BTN_TOOL_*TAP event is larger than the | ||
| 81 | total number of type B slots reported in the absinfo for the ABS_MT_SLOT axis. | ||
| 68 | 82 | ||
| 69 | Protocol Example A | 83 | Protocol Example A |
| 70 | ------------------ | 84 | ------------------ |
| @@ -307,6 +307,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 306 unmodified lines | |||
| 307 | behaviour to be specified. Bit 0 enables warnings, | 307 | behaviour to be specified. Bit 0 enables warnings, |
| 308 | bit 1 enables fixups, and bit 2 sends a segfault. | 308 | bit 1 enables fixups, and bit 2 sends a segfault. |
| 309 | 309 | ||
| 310 | align_va_addr= [X86-64] | ||
| 311 | Align virtual addresses by clearing slice [14:12] when | ||
| 312 | allocating a VMA at process creation time. This option | ||
| 313 | gives you up to 3% performance improvement on AMD F15h | ||
| 314 | machines (where it is enabled by default) for a | ||
| 315 | CPU-intensive style benchmark, and it can vary highly in | ||
| 316 | a microbenchmark depending on workload and compiler. | ||
| 317 | |||
| 318 | 1: only for 32-bit processes | ||
| 319 | 2: only for 64-bit processes | ||
| 320 | on: enable for both 32- and 64-bit processes | ||
| 321 | off: disable for both 32- and 64-bit processes | ||
| 322 | |||
| 310 | amd_iommu= [HW,X86-84] | 323 | amd_iommu= [HW,X86-84] |
| 311 | Pass parameters to the AMD IOMMU driver in the system. | 324 | Pass parameters to the AMD IOMMU driver in the system. |
| 312 | Possible values are: | 325 | Possible values are: |
| @@ -728,10 +741,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 415 unmodified lines | |||
| 728 | See Documentation/block/cfq-iosched.txt and | 741 | See Documentation/block/cfq-iosched.txt and |
| 729 | Documentation/block/deadline-iosched.txt for details. | 742 | Documentation/block/deadline-iosched.txt for details. |
| 730 | 743 | ||
| 731 | elfcorehdr= [IA-64,PPC,SH,X86] | 744 | elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390] |
| 732 | Specifies physical address of start of kernel core | 745 | Specifies physical address of start of kernel core |
| 733 | image elf header. Generally kexec loader will | 746 | image elf header and optionally the size. Generally |
| 734 | pass this option to capture kernel. | 747 | kexec loader will pass this option to capture kernel. |
| 735 | See Documentation/kdump/kdump.txt for details. | 748 | See Documentation/kdump/kdump.txt for details. |
| 736 | 749 | ||
| 737 | enable_mtrr_cleanup [X86] | 750 | enable_mtrr_cleanup [X86] |
| @@ -960,6 +973,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 222 unmodified lines | |||
| 960 | ignore_loglevel [KNL] | 973 | ignore_loglevel [KNL] |
| 961 | Ignore loglevel setting - this will print /all/ | 974 | Ignore loglevel setting - this will print /all/ |
| 962 | kernel messages to the console. Useful for debugging. | 975 | kernel messages to the console. Useful for debugging. |
| 976 | We also add it as printk module parameter, so users | ||
| 977 | could change it dynamically, usually by | ||
| 978 | /sys/module/printk/parameters/ignore_loglevel. | ||
| 963 | 979 | ||
| 964 | ihash_entries= [KNL] | 980 | ihash_entries= [KNL] |
| 965 | Set number of hash buckets for inode cache. | 981 | Set number of hash buckets for inode cache. |
| @@ -1020,10 +1036,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 54 unmodified lines | |||
| 1020 | has the capability. With this option, super page will | 1036 | has the capability. With this option, super page will |
| 1021 | not be supported. | 1037 | not be supported. |
| 1022 | intremap= [X86-64, Intel-IOMMU] | 1038 | intremap= [X86-64, Intel-IOMMU] |
| 1023 | Format: { on (default) | off | nosid } | ||
| 1024 | on enable Interrupt Remapping (default) | 1039 | on enable Interrupt Remapping (default) |
| 1025 | off disable Interrupt Remapping | 1040 | off disable Interrupt Remapping |
| 1026 | nosid disable Source ID checking | 1041 | nosid disable Source ID checking |
| 1042 | no_x2apic_optout | ||
| 1043 | BIOS x2APIC opt-out request will be ignored | ||
| 1027 | 1044 | ||
| 1028 | inttest= [IA-64] | 1045 | inttest= [IA-64] |
| 1029 | 1046 | ||
| @@ -1187,6 +1204,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 157 unmodified lines | |||
| 1187 | [KVM,Intel] Disable FlexPriority feature (TPR shadow). | 1204 | [KVM,Intel] Disable FlexPriority feature (TPR shadow). |
| 1188 | Default is 1 (enabled) | 1205 | Default is 1 (enabled) |
| 1189 | 1206 | ||
| 1207 | kvm-intel.nested= | ||
| 1208 | [KVM,Intel] Enable VMX nesting (nVMX). | ||
| 1209 | Default is 0 (disabled) | ||
| 1210 | |||
| 1190 | kvm-intel.unrestricted_guest= | 1211 | kvm-intel.unrestricted_guest= |
| 1191 | [KVM,Intel] Disable unrestricted guest feature | 1212 | [KVM,Intel] Disable unrestricted guest feature |
| 1192 | (virtualized real and unpaged mode) on capable | 1213 | (virtualized real and unpaged mode) on capable |
| @@ -1648,6 +1669,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 455 unmodified lines | |||
| 1648 | debugging driver suspend/resume hooks). This may | 1669 | debugging driver suspend/resume hooks). This may |
| 1649 | not work reliably with all consoles, but is known | 1670 | not work reliably with all consoles, but is known |
| 1650 | to work with serial and VGA consoles. | 1671 | to work with serial and VGA consoles. |
| 1672 | To facilitate more flexible debugging, we also add | ||
| 1673 | console_suspend, a printk module parameter to control | ||
| 1674 | it. Users could use console_suspend (usually | ||
| 1675 | /sys/module/printk/parameters/console_suspend) to | ||
| 1676 | turn on/off it dynamically. | ||
| 1651 | 1677 | ||
| 1652 | noaliencache [MM, NUMA, SLAB] Disables the allocation of alien | 1678 | noaliencache [MM, NUMA, SLAB] Disables the allocation of alien |
| 1653 | caches in the slab allocator. Saves per-node memory, | 1679 | caches in the slab allocator. Saves per-node memory, |
| @@ -1783,6 +1809,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 129 unmodified lines | |||
| 1783 | 1809 | ||
| 1784 | noresidual [PPC] Don't use residual data on PReP machines. | 1810 | noresidual [PPC] Don't use residual data on PReP machines. |
| 1785 | 1811 | ||
| 1812 | nordrand [X86] Disable the direct use of the RDRAND | ||
| 1813 | instruction even if it is supported by the | ||
| 1814 | processor. RDRAND is still available to user | ||
| 1815 | space applications. | ||
| 1816 | |||
| 1786 | noresume [SWSUSP] Disables resume and restores original swap | 1817 | noresume [SWSUSP] Disables resume and restores original swap |
| 1787 | space. | 1818 | space. |
| 1788 | 1819 | ||
| @@ -2246,6 +2277,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 457 unmodified lines | |||
| 2246 | in <PAGE_SIZE> units (needed only for swap files). | 2277 | in <PAGE_SIZE> units (needed only for swap files). |
| 2247 | See Documentation/power/swsusp-and-swap-files.txt | 2278 | See Documentation/power/swsusp-and-swap-files.txt |
| 2248 | 2279 | ||
| 2280 | resumedelay= [HIBERNATION] Delay (in seconds) to pause before attempting to | ||
| 2281 | read the resume files | ||
| 2282 | |||
| 2283 | resumewait [HIBERNATION] Wait (indefinitely) for resume device to show up. | ||
| 2284 | Useful for devices that are detected asynchronously | ||
| 2285 | (e.g. USB and MMC devices). | ||
| 2286 | |||
| 2249 | hibernate= [HIBERNATION] | 2287 | hibernate= [HIBERNATION] |
| 2250 | noresume Don't check if there's a hibernation image | 2288 | noresume Don't check if there's a hibernation image |
| 2251 | present during boot. | 2289 | present during boot. |
| @@ -411,9 +411,9 @@ event code Key Notes · 410 unmodified lines | |||
| 411 | 411 | ||
| 412 | 0x1004 0x03 FN+F4 Sleep button (ACPI sleep button | 412 | 0x1004 0x03 FN+F4 Sleep button (ACPI sleep button |
| 413 | semantics, i.e. sleep-to-RAM). | 413 | semantics, i.e. sleep-to-RAM). |
| 414 | It is always generate some kind | 414 | It always generates some kind |
| 415 | of event, either the hot key | 415 | of event, either the hot key |
| 416 | event or a ACPI sleep button | 416 | event or an ACPI sleep button |
| 417 | event. The firmware may | 417 | event. The firmware may |
| 418 | refuse to generate further FN+F4 | 418 | refuse to generate further FN+F4 |
| 419 | key presses until a S3 or S4 ACPI | 419 | key presses until a S3 or S4 ACPI |
| @@ -61,8 +61,8 @@ Hardware accelerated blink of LEDs · 60 unmodified lines | |||
| 61 | Some LEDs can be programmed to blink without any CPU interaction. To | 61 | Some LEDs can be programmed to blink without any CPU interaction. To |
| 62 | support this feature, a LED driver can optionally implement the | 62 | support this feature, a LED driver can optionally implement the |
| 63 | blink_set() function (see <linux/leds.h>). To set an LED to blinking, | 63 | blink_set() function (see <linux/leds.h>). To set an LED to blinking, |
| 64 | however, it is better to use use the API function led_blink_set(), | 64 | however, it is better to use the API function led_blink_set(), as it |
| 65 | as it will check and implement software fallback if necessary. | 65 | will check and implement software fallback if necessary. |
| 66 | 66 | ||
| 67 | To turn off blinking again, use the API function led_brightness_set() | 67 | To turn off blinking again, use the API function led_brightness_set() |
| 68 | as that will not just set the LED brightness but also stop any software | 68 | as that will not just set the LED brightness but also stop any software |
| @@ -1,61 +1,22 @@ | |||
| 1 | Copyright (c) 2009-2010 QLogic Corporation | 1 | Copyright (c) 2009-2011 QLogic Corporation |
| 2 | QLogic Linux qlcnic NIC Driver | 2 | QLogic Linux qlcnic NIC Driver |
| 3 | 3 | ||
| 4 | This program includes a device driver for Linux 2.6 that may be | ||
| 5 | distributed with QLogic hardware specific firmware binary file. | ||
| 6 | You may modify and redistribute the device driver code under the | 4 | You may modify and redistribute the device driver code under the |
| 7 | GNU General Public License (a copy of which is attached hereto as | 5 | GNU General Public License (a copy of which is attached hereto as |
| 8 | Exhibit A) published by the Free Software Foundation (version 2). | 6 | Exhibit A) published by the Free Software Foundation (version 2). |
| 9 | 7 | ||
| 10 | You may redistribute the hardware specific firmware binary file | ||
| 11 | under the following terms: | ||
| 12 | |||
| 13 | 1. Redistribution of source code (only if applicable), | ||
| 14 | must retain the above copyright notice, this list of | ||
| 15 | conditions and the following disclaimer. | ||
| 16 | |||
| 17 | 2. Redistribution in binary form must reproduce the above | ||
| 18 | copyright notice, this list of conditions and the | ||
| 19 | following disclaimer in the documentation and/or other | ||
| 20 | materials provided with the distribution. | ||
| 21 | |||
| 22 | 3. The name of QLogic Corporation may not be used to | ||
| 23 | endorse or promote products derived from this software | ||
| 24 | without specific prior written permission | ||
| 25 | |||
| 26 | REGARDLESS OF WHAT LICENSING MECHANISM IS USED OR APPLICABLE, | ||
| 27 | THIS PROGRAM IS PROVIDED BY QLOGIC CORPORATION "AS IS'' AND ANY | ||
| 28 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 29 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| 30 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR | ||
| 31 | BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| 32 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED | ||
| 33 | TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 34 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 35 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| 36 | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 37 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 38 | POSSIBILITY OF SUCH DAMAGE. | ||
| 39 | |||
| 40 | USER ACKNOWLEDGES AND AGREES THAT USE OF THIS PROGRAM WILL NOT | ||
| 41 | CREATE OR GIVE GROUNDS FOR A LICENSE BY IMPLICATION, ESTOPPEL, OR | ||
| 42 | OTHERWISE IN ANY INTELLECTUAL PROPERTY RIGHTS (PATENT, COPYRIGHT, | ||
| 43 | TRADE SECRET, MASK WORK, OR OTHER PROPRIETARY RIGHT) EMBODIED IN | ||
| 44 | ANY OTHER QLOGIC HARDWARE OR SOFTWARE EITHER SOLELY OR IN | ||
| 45 | COMBINATION WITH THIS PROGRAM. | ||
| 46 | |||
| 47 | 8 | ||
| 48 | EXHIBIT A | 9 | EXHIBIT A |
| 49 | 10 | ||
| 50 | GNU GENERAL PUBLIC LICENSE | 11 | GNU GENERAL PUBLIC LICENSE |
| 51 | Version 2, June 1991 | 12 | Version 2, June 1991 |
| 52 | 13 | ||
| 53 | Copyright (C) 1989, 1991 Free Software Foundation, Inc. | 14 | Copyright (C) 1989, 1991 Free Software Foundation, Inc. |
| 54 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 15 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 55 | Everyone is permitted to copy and distribute verbatim copies | 16 | Everyone is permitted to copy and distribute verbatim copies |
| 56 | of this license document, but changing it is not allowed. | 17 | of this license document, but changing it is not allowed. |
| 57 | 18 | ||
| 58 | Preamble | 19 | Preamble |
| 59 | 20 | ||
| 60 | The licenses for most software are designed to take away your | 21 | The licenses for most software are designed to take away your |
| 61 | freedom to share and change it. By contrast, the GNU General Public | 22 | freedom to share and change it. By contrast, the GNU General Public |
| @@ -105,7 +66,7 @@ patent must be licensed for everyone's free use or not licensed at all. · 43 unmodified lines | |||
| 105 | The precise terms and conditions for copying, distribution and | 66 | The precise terms and conditions for copying, distribution and |
| 106 | modification follow. | 67 | modification follow. |
| 107 | 68 | ||
| 108 | GNU GENERAL PUBLIC LICENSE | 69 | GNU GENERAL PUBLIC LICENSE |
| 109 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | 70 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
| 110 | 71 | ||
| 111 | 0. This License applies to any program or other work which contains | 72 | 0. This License applies to any program or other work which contains |
| @@ -304,7 +265,7 @@ make exceptions for this. Our decision will be guided by the two goals · 192 unmodified lines | |||
| 304 | of preserving the free status of all derivatives of our free software and | 265 | of preserving the free status of all derivatives of our free software and |
| 305 | of promoting the sharing and reuse of software generally. | 266 | of promoting the sharing and reuse of software generally. |
| 306 | 267 | ||
| 307 | NO WARRANTY | 268 | NO WARRANTY |
| 308 | 269 | ||
| 309 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY | 270 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY |
| 310 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN | 271 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN |
| @@ -1,4 +1,4 @@ | |||
| 1 | [state: 17-04-2011] | 1 | [state: 21-08-2011] |
| 2 | 2 | ||
| 3 | BATMAN-ADV | 3 | BATMAN-ADV |
| 4 | ---------- | 4 | ---------- |
| @@ -68,9 +68,9 @@ All mesh wide settings can be found in batman's own interface · 63 unmodified lines | |||
| 68 | folder: | 68 | folder: |
| 69 | 69 | ||
| 70 | # ls /sys/class/net/bat0/mesh/ | 70 | # ls /sys/class/net/bat0/mesh/ |
| 71 | # aggregated_ogms gw_bandwidth hop_penalty | 71 | # aggregated_ogms fragmentation gw_sel_class vis_mode |
| 72 | # bonding gw_mode orig_interval | 72 | # ap_isolation gw_bandwidth hop_penalty |
| 73 | # fragmentation gw_sel_class vis_mode | 73 | # bonding gw_mode orig_interval |
| 74 | 74 | ||
| 75 | 75 | ||
| 76 | There is a special folder for debugging information: | 76 | There is a special folder for debugging information: |
| @@ -1045,6 +1045,11 @@ conf/interface/*: · 1044 unmodified lines | |||
| 1045 | accept_ra - INTEGER | 1045 | accept_ra - INTEGER |
| 1046 | Accept Router Advertisements; autoconfigure using them. | 1046 | Accept Router Advertisements; autoconfigure using them. |
| 1047 | 1047 | ||
| 1048 | It also determines whether or not to transmit Router | ||
| 1049 | Solicitations. If and only if the functional setting is to | ||
| 1050 | accept Router Advertisements, Router Solicitations will be | ||
| 1051 | transmitted. | ||
| 1052 | |||
| 1048 | Possible values are: | 1053 | Possible values are: |
| 1049 | 0 Do not accept Router Advertisements. | 1054 | 0 Do not accept Router Advertisements. |
| 1050 | 1 Accept Router Advertisements if forwarding is disabled. | 1055 | 1 Accept Router Advertisements if forwarding is disabled. |
| @@ -1115,14 +1120,14 @@ forwarding - INTEGER · 64 unmodified lines | |||
| 1115 | Possible values are: | 1120 | Possible values are: |
| 1116 | 0 Forwarding disabled | 1121 | 0 Forwarding disabled |
| 1117 | 1 Forwarding enabled | 1122 | 1 Forwarding enabled |
| 1118 | 2 Forwarding enabled (Hybrid Mode) | ||
| 1119 | 1123 | ||
| 1120 | FALSE (0): | 1124 | FALSE (0): |
| 1121 | 1125 | ||
| 1122 | By default, Host behaviour is assumed. This means: | 1126 | By default, Host behaviour is assumed. This means: |
| 1123 | 1127 | ||
| 1124 | 1. IsRouter flag is not set in Neighbour Advertisements. | 1128 | 1. IsRouter flag is not set in Neighbour Advertisements. |
| 1125 | 2. Router Solicitations are being sent when necessary. | 1129 | 2. If accept_ra is TRUE (default), transmit Router |
| 1130 | Solicitations. | ||
| 1126 | 3. If accept_ra is TRUE (default), accept Router | 1131 | 3. If accept_ra is TRUE (default), accept Router |
| 1127 | Advertisements (and do autoconfiguration). | 1132 | Advertisements (and do autoconfiguration). |
| 1128 | 4. If accept_redirects is TRUE (default), accept Redirects. | 1133 | 4. If accept_redirects is TRUE (default), accept Redirects. |
| @@ -1133,16 +1138,10 @@ forwarding - INTEGER · 4 unmodified lines | |||
| 1133 | This means exactly the reverse from the above: | 1138 | This means exactly the reverse from the above: |
| 1134 | 1139 | ||
| 1135 | 1. IsRouter flag is set in Neighbour Advertisements. | 1140 | 1. IsRouter flag is set in Neighbour Advertisements. |
| 1136 | 2. Router Solicitations are not sent. | 1141 | 2. Router Solicitations are not sent unless accept_ra is 2. |
| 1137 | 3. Router Advertisements are ignored unless accept_ra is 2. | 1142 | 3. Router Advertisements are ignored unless accept_ra is 2. |
| 1138 | 4. Redirects are ignored. | 1143 | 4. Redirects are ignored. |
| 1139 | 1144 | ||
| 1140 | TRUE (2): | ||
| 1141 | |||
| 1142 | Hybrid mode. Same behaviour as TRUE, except for: | ||
| 1143 | |||
| 1144 | 2. Router Solicitations are being sent when necessary. | ||
| 1145 | |||
| 1146 | Default: 0 (disabled) if global forwarding is disabled (default), | 1145 | Default: 0 (disabled) if global forwarding is disabled (default), |
| 1147 | otherwise 1 (enabled). | 1146 | otherwise 1 (enabled). |
| 1148 | 1147 | ||
| @@ -15,6 +15,23 @@ amemthresh - INTEGER · 14 unmodified lines | |||
| 15 | enabled and the variable is automatically set to 2, otherwise | 15 | enabled and the variable is automatically set to 2, otherwise |
| 16 | the strategy is disabled and the variable is set to 1. | 16 | the strategy is disabled and the variable is set to 1. |
| 17 | 17 | ||
| 18 | conntrack - BOOLEAN | ||
| 19 | 0 - disabled (default) | ||
| 20 | not 0 - enabled | ||
| 21 | |||
| 22 | If set, maintain connection tracking entries for | ||
| 23 | connections handled by IPVS. | ||
| 24 | |||
| 25 | This should be enabled if connections handled by IPVS are to be | ||
| 26 | also handled by stateful firewall rules. That is, iptables rules | ||
| 27 | that make use of connection tracking. It is a performance | ||
| 28 | optimisation to disable this setting otherwise. | ||
| 29 | |||
| 30 | Connections handled by the IPVS FTP application module | ||
| 31 | will have connection tracking entries regardless of this setting. | ||
| 32 | |||
| 33 | Only available when IPVS is compiled with CONFIG_IP_VS_NFCT enabled. | ||
| 34 | |||
| 18 | cache_bypass - BOOLEAN | 35 | cache_bypass - BOOLEAN |
| 19 | 0 - disabled (default) | 36 | 0 - disabled (default) |
| 20 | not 0 - enabled | 37 | not 0 - enabled |
| @@ -39,7 +56,7 @@ debug_level - INTEGER · 18 unmodified lines | |||
| 39 | 11 - IPVS packet handling (ip_vs_in/ip_vs_out) | 56 | 11 - IPVS packet handling (ip_vs_in/ip_vs_out) |
| 40 | 12 or more - packet traversal | 57 | 12 or more - packet traversal |
| 41 | 58 | ||
| 42 | Only available when IPVS is compiled with the CONFIG_IPVS_DEBUG | 59 | Only available when IPVS is compiled with CONFIG_IP_VS_DEBUG enabled. |
| 43 | 60 | ||
| 44 | Higher debugging levels include the messages for lower debugging | 61 | Higher debugging levels include the messages for lower debugging |
| 45 | levels, so setting debug level 2, includes level 0, 1 and 2 | 62 | levels, so setting debug level 2, includes level 0, 1 and 2 |
| @@ -123,13 +140,11 @@ nat_icmp_send - BOOLEAN · 77 unmodified lines | |||
| 123 | secure_tcp - INTEGER | 140 | secure_tcp - INTEGER |
| 124 | 0 - disabled (default) | 141 | 0 - disabled (default) |
| 125 | 142 | ||
| 126 | The secure_tcp defense is to use a more complicated state | 143 | The secure_tcp defense is to use a more complicated TCP state |
| 127 | transition table and some possible short timeouts of each | 144 | transition table. For VS/NAT, it also delays entering the |
| 128 | state. In the VS/NAT, it delays the entering the ESTABLISHED | 145 | TCP ESTABLISHED state until the three way handshake is completed. |
| 129 | until the real server starts to send data and ACK packet | ||
| 130 | (after 3-way handshake). | ||
| 131 | 146 | ||
| 132 | The value definition is the same as that of drop_entry or | 147 | The value definition is the same as that of drop_entry and |
| 133 | drop_packet. | 148 | drop_packet. |
| 134 | 149 | ||
| 135 | sync_threshold - INTEGER | 150 | sync_threshold - INTEGER |
| @@ -141,3 +156,36 @@ sync_threshold - INTEGER · 5 unmodified lines | |||
| 141 | synchronized, every time the number of its incoming packets | 156 | synchronized, every time the number of its incoming packets |
| 142 | modulus 50 equals the threshold. The range of the threshold is | 157 | modulus 50 equals the threshold. The range of the threshold is |
| 143 | from 0 to 49. | 158 | from 0 to 49. |
| 159 | |||
| 160 | snat_reroute - BOOLEAN | ||
| 161 | 0 - disabled | ||
| 162 | not 0 - enabled (default) | ||
| 163 | |||
| 164 | If enabled, recalculate the route of SNATed packets from | ||
| 165 | realservers so that they are routed as if they originate from the | ||
| 166 | director. Otherwise they are routed as if they are forwarded by the | ||
| 167 | director. | ||
| 168 | |||
| 169 | If policy routing is in effect then it is possible that the route | ||
| 170 | of a packet originating from a director is routed differently to a | ||
| 171 | packet being forwarded by the director. | ||
| 172 | |||
| 173 | If policy routing is not in effect then the recalculated route will | ||
| 174 | always be the same as the original route so it is an optimisation | ||
| 175 | to disable snat_reroute and avoid the recalculation. | ||
| 176 | |||
| 177 | sync_version - INTEGER | ||
| 178 | default 1 | ||
| 179 | |||
| 180 | The version of the synchronisation protocol used when sending | ||
| 181 | synchronisation messages. | ||
| 182 | |||
| 183 | 0 selects the original synchronisation protocol (version 0). This | ||
| 184 | should be used when sending synchronisation messages to a legacy | ||
| 185 | system that only understands the original synchronisation protocol. | ||
| 186 | |||
| 187 | 1 selects the current synchronisation protocol (version 1). This | ||
| 188 | should be used where possible. | ||
| 189 | |||
| 190 | Kernels with this sync_version entry are able to receive messages | ||
| 191 | of both version 1 and version 2 of the synchronisation protocol. | ||
| @@ -23,6 +23,10 @@ radiotap headers and used to control injection: · 22 unmodified lines | |||
| 23 | IEEE80211_RADIOTAP_F_FRAG: frame will be fragmented if longer than the | 23 | IEEE80211_RADIOTAP_F_FRAG: frame will be fragmented if longer than the |
| 24 | current fragmentation threshold. | 24 | current fragmentation threshold. |
| 25 | 25 | ||
| 26 | * IEEE80211_RADIOTAP_TX_FLAGS | ||
| 27 | |||
| 28 | IEEE80211_RADIOTAP_F_TX_NOACK: frame should be sent without waiting for | ||
| 29 | an ACK even if it is a unicast frame | ||
| 26 | 30 | ||
| 27 | The injection code can also skip all other currently defined radiotap fields | 31 | The injection code can also skip all other currently defined radiotap fields |
| 28 | facilitating replay of captured radiotap headers directly. | 32 | facilitating replay of captured radiotap headers directly. |
| @@ -73,7 +73,7 @@ dev->hard_start_xmit: · 72 unmodified lines | |||
| 73 | has to lock by itself when needed. It is recommended to use a try lock | 73 | has to lock by itself when needed. It is recommended to use a try lock |
| 74 | for this and return NETDEV_TX_LOCKED when the spin lock fails. | 74 | for this and return NETDEV_TX_LOCKED when the spin lock fails. |
| 75 | The locking there should also properly protect against | 75 | The locking there should also properly protect against |
| 76 | set_multicast_list. Note that the use of NETIF_F_LLTX is deprecated. | 76 | set_rx_mode. Note that the use of NETIF_F_LLTX is deprecated. |
| 77 | Don't use it for new drivers. | 77 | Don't use it for new drivers. |
| 78 | 78 | ||
| 79 | Context: Process with BHs disabled or BH (timer), | 79 | Context: Process with BHs disabled or BH (timer), |
| @@ -92,7 +92,7 @@ dev->tx_timeout: · 12 unmodified lines | |||
| 92 | Context: BHs disabled | 92 | Context: BHs disabled |
| 93 | Notes: netif_queue_stopped() is guaranteed true | 93 | Notes: netif_queue_stopped() is guaranteed true |
| 94 | 94 | ||
| 95 | dev->set_multicast_list: | 95 | dev->set_rx_mode: |
| 96 | Synchronization: netif_tx_lock spinlock. | 96 | Synchronization: netif_tx_lock spinlock. |
| 97 | Context: BHs disabled | 97 | Context: BHs disabled |
| 98 | 98 | ||
| @@ -76,7 +76,16 @@ core. · 75 unmodified lines | |||
| 76 | 76 | ||
| 77 | 4.5) DMA descriptors | 77 | 4.5) DMA descriptors |
| 78 | Driver handles both normal and enhanced descriptors. The latter has been only | 78 | Driver handles both normal and enhanced descriptors. The latter has been only |
| 79 | tested on DWC Ether MAC 10/100/1000 Universal version 3.41a. | 79 | tested on DWC Ether MAC 10/100/1000 Universal version 3.41a and later. |
| 80 | |||
| 81 | STMMAC supports DMA descriptor to operate both in dual buffer (RING) | ||
| 82 | and linked-list(CHAINED) mode. In RING each descriptor points to two | ||
| 83 | data buffer pointers whereas in CHAINED mode they point to only one data | ||
| 84 | buffer pointer. RING mode is the default. | ||
| 85 | |||
| 86 | In CHAINED mode each descriptor will have pointer to next descriptor in | ||
| 87 | the list, hence creating the explicit chaining in the descriptor itself, | ||
| 88 | whereas such explicit chaining is not possible in RING mode. | ||
| 80 | 89 | ||
| 81 | 4.6) Ethtool support | 90 | 4.6) Ethtool support |
| 82 | Ethtool is supported. Driver statistics and internal errors can be taken using: | 91 | Ethtool is supported. Driver statistics and internal errors can be taken using: |
| @@ -235,7 +244,38 @@ reset procedure etc). · 152 unmodified lines | |||
| 235 | o enh_desc.c: functions for handling enhanced descriptors | 244 | o enh_desc.c: functions for handling enhanced descriptors |
| 236 | o norm_desc.c: functions for handling normal descriptors | 245 | o norm_desc.c: functions for handling normal descriptors |
| 237 | 246 | ||
| 238 | 5) TODO: | 247 | 5) Debug Information |
| 248 | |||
| 249 | The driver exports many information i.e. internal statistics, | ||
| 250 | debug information, MAC and DMA registers etc. | ||
| 251 | |||
| 252 | These can be read in several ways depending on the | ||
| 253 | type of the information actually needed. | ||
| 254 | |||
| 255 | For example a user can be use the ethtool support | ||
| 256 | to get statistics: e.g. using: ethtool -S ethX | ||
| 257 | (that shows the Management counters (MMC) if supported) | ||
| 258 | or sees the MAC/DMA registers: e.g. using: ethtool -d ethX | ||
| 259 | |||
| 260 | Compiling the Kernel with CONFIG_DEBUG_FS and enabling the | ||
| 261 | STMMAC_DEBUG_FS option the driver will export the following | ||
| 262 | debugfs entries: | ||
| 263 | |||
| 264 | /sys/kernel/debug/stmmaceth/descriptors_status | ||
| 265 | To show the DMA TX/RX descriptor rings | ||
| 266 | |||
| 267 | Developer can also use the "debug" module parameter to get | ||
| 268 | further debug information. | ||
| 269 | |||
| 270 | In the end, there are other macros (that cannot be enabled | ||
| 271 | via menuconfig) to turn-on the RX/TX DMA debugging, | ||
| 272 | specific MAC core debug printk etc. Others to enable the | ||
| 273 | debug in the TX and RX processes. | ||
| 274 | All these are only useful during the developing stage | ||
| 275 | and should never enabled inside the code for general usage. | ||
| 276 | In fact, these can generate an huge amount of debug messages. | ||
| 277 | |||
| 278 | 6) TODO: | ||
| 239 | o XGMAC is not supported. | 279 | o XGMAC is not supported. |
| 240 | o Review the timer optimisation code to use an embedded device that will be | 280 | o Review the timer optimisation code to use an embedded device that will be |
| 241 | available in new chip generations. | 281 | available in new chip generations. |
| @@ -263,6 +263,8 @@ characters, each representing a particular tainted value. · 262 unmodified lines | |||
| 263 | 12: 'I' if the kernel is working around a severe bug in the platform | 263 | 12: 'I' if the kernel is working around a severe bug in the platform |
| 264 | firmware (BIOS or similar). | 264 | firmware (BIOS or similar). |
| 265 | 265 | ||
| 266 | 13: 'O' if an externally-built ("out-of-tree") module has been loaded. | ||
| 267 | |||
| 266 | The primary reason for the 'Tainted: ' string is to tell kernel | 268 | The primary reason for the 'Tainted: ' string is to tell kernel |
| 267 | debuggers if this is a clean kernel or if anything unusual has | 269 | debuggers if this is a clean kernel or if anything unusual has |
| 268 | occurred. Tainting is permanent: even if an offending module is | 270 | occurred. Tainting is permanent: even if an offending module is |
| @@ -0,0 +1,950 @@ | |||
| 1 | PINCTRL (PIN CONTROL) subsystem | ||
| 2 | This document outlines the pin control subsystem in Linux | ||
| 3 | |||
| 4 | This subsystem deals with: | ||
| 5 | |||
| 6 | - Enumerating and naming controllable pins | ||
| 7 | |||
| 8 | - Multiplexing of pins, pads, fingers (etc) see below for details | ||
| 9 | |||
| 10 | The intention is to also deal with: | ||
| 11 | |||
| 12 | - Software-controlled biasing and driving mode specific pins, such as | ||
| 13 | pull-up/down, open drain etc, load capacitance configuration when controlled | ||
| 14 | by software, etc. | ||
| 15 | |||
| 16 | |||
| 17 | Top-level interface | ||
| 18 | =================== | ||
| 19 | |||
| 20 | Definition of PIN CONTROLLER: | ||
| 21 | |||
| 22 | - A pin controller is a piece of hardware, usually a set of registers, that | ||
| 23 | can control PINs. It may be able to multiplex, bias, set load capacitance, | ||
| 24 | set drive strength etc for individual pins or groups of pins. | ||
| 25 | |||
| 26 | Definition of PIN: | ||
| 27 | |||
| 28 | - PINS are equal to pads, fingers, balls or whatever packaging input or | ||
| 29 | output line you want to control and these are denoted by unsigned integers | ||
| 30 | in the range 0..maxpin. This numberspace is local to each PIN CONTROLLER, so | ||
| 31 | there may be several such number spaces in a system. This pin space may | ||
| 32 | be sparse - i.e. there may be gaps in the space with numbers where no | ||
| 33 | pin exists. | ||
| 34 | |||
| 35 | When a PIN CONTROLLER is instatiated, it will register a descriptor to the | ||
| 36 | pin control framework, and this descriptor contains an array of pin descriptors | ||
| 37 | describing the pins handled by this specific pin controller. | ||
| 38 | |||
| 39 | Here is an example of a PGA (Pin Grid Array) chip seen from underneath: | ||
| 40 | |||
| 41 | A B C D E F G H | ||
| 42 | |||
| 43 | 8 o o o o o o o o | ||
| 44 | |||
| 45 | 7 o o o o o o o o | ||
| 46 | |||
| 47 | 6 o o o o o o o o | ||
| 48 | |||
| 49 | 5 o o o o o o o o | ||
| 50 | |||
| 51 | 4 o o o o o o o o | ||
| 52 | |||
| 53 | 3 o o o o o o o o | ||
| 54 | |||
| 55 | 2 o o o o o o o o | ||
| 56 | |||
| 57 | 1 o o o o o o o o | ||
| 58 | |||
| 59 | To register a pin controller and name all the pins on this package we can do | ||
| 60 | this in our driver: | ||
| 61 | |||
| 62 | #include <linux/pinctrl/pinctrl.h> | ||
| 63 | |||
| 64 | const struct pinctrl_pin_desc __refdata foo_pins[] = { | ||
| 65 | PINCTRL_PIN(0, "A1"), | ||
| 66 | PINCTRL_PIN(1, "A2"), | ||
| 67 | PINCTRL_PIN(2, "A3"), | ||
| 68 | ... | ||
| 69 | PINCTRL_PIN(61, "H6"), | ||
| 70 | PINCTRL_PIN(62, "H7"), | ||
| 71 | PINCTRL_PIN(63, "H8"), | ||
| 72 | }; | ||
| 73 | |||
| 74 | static struct pinctrl_desc foo_desc = { | ||
| 75 | .name = "foo", | ||
| 76 | .pins = foo_pins, | ||
| 77 | .npins = ARRAY_SIZE(foo_pins), | ||
| 78 | .maxpin = 63, | ||
| 79 | .owner = THIS_MODULE, | ||
| 80 | }; | ||
| 81 | |||
| 82 | int __init foo_probe(void) | ||
| 83 | { | ||
| 84 | struct pinctrl_dev *pctl; | ||
| 85 | |||
| 86 | pctl = pinctrl_register(&foo_desc, <PARENT>, NULL); | ||
| 87 | if (IS_ERR(pctl)) | ||
| 88 | pr_err("could not register foo pin driver\n"); | ||
| 89 | } | ||
| 90 | |||
| 91 | Pins usually have fancier names than this. You can find these in the dataheet | ||
| 92 | for your chip. Notice that the core pinctrl.h file provides a fancy macro | ||
| 93 | called PINCTRL_PIN() to create the struct entries. As you can see I enumerated | ||
| 94 | the pins from 0 in the upper left corner to 63 in the lower right corner, | ||
| 95 | this enumeration was arbitrarily chosen, in practice you need to think | ||
| 96 | through your numbering system so that it matches the layout of registers | ||
| 97 | and such things in your driver, or the code may become complicated. You must | ||
| 98 | also consider matching of offsets to the GPIO ranges that may be handled by | ||
| 99 | the pin controller. | ||
| 100 | |||
| 101 | For a padring with 467 pads, as opposed to actual pins, I used an enumeration | ||
| 102 | like this, walking around the edge of the chip, which seems to be industry | ||
| 103 | standard too (all these pads had names, too): | ||
| 104 | |||
| 105 | |||
| 106 | 0 ..... 104 | ||
| 107 | 466 105 | ||
| 108 | . . | ||
| 109 | . . | ||
| 110 | 358 224 | ||
| 111 | 357 .... 225 | ||
| 112 | |||
| 113 | |||
| 114 | Pin groups | ||
| 115 | ========== | ||
| 116 | |||
| 117 | Many controllers need to deal with groups of pins, so the pin controller | ||
| 118 | subsystem has a mechanism for enumerating groups of pins and retrieving the | ||
| 119 | actual enumerated pins that are part of a certain group. | ||
| 120 | |||
| 121 | For example, say that we have a group of pins dealing with an SPI interface | ||
| 122 | on { 0, 8, 16, 24 }, and a group of pins dealing with an I2C interface on pins | ||
| 123 | on { 24, 25 }. | ||
| 124 | |||
| 125 | These two groups are presented to the pin control subsystem by implementing | ||
| 126 | some generic pinctrl_ops like this: | ||
| 127 | |||
| 128 | #include <linux/pinctrl/pinctrl.h> | ||
| 129 | |||
| 130 | struct foo_group { | ||
| 131 | const char *name; | ||
| 132 | const unsigned int *pins; | ||
| 133 | const unsigned num_pins; | ||
| 134 | }; | ||
| 135 | |||
| 136 | static unsigned int spi0_pins[] = { 0, 8, 16, 24 }; | ||
| 137 | static unsigned int i2c0_pins[] = { 24, 25 }; | ||
| 138 | |||
| 139 | static const struct foo_group foo_groups[] = { | ||
| 140 | { | ||
| 141 | .name = "spi0_grp", | ||
| 142 | .pins = spi0_pins, | ||
| 143 | .num_pins = ARRAY_SIZE(spi0_pins), | ||
| 144 | }, | ||
| 145 | { | ||
| 146 | .name = "i2c0_grp", | ||
| 147 | .pins = i2c0_pins, | ||
| 148 | .num_pins = ARRAY_SIZE(i2c0_pins), | ||
| 149 | }, | ||
| 150 | }; | ||
| 151 | |||
| 152 | |||
| 153 | static int foo_list_groups(struct pinctrl_dev *pctldev, unsigned selector) | ||
| 154 | { | ||
| 155 | if (selector >= ARRAY_SIZE(foo_groups)) | ||
| 156 | return -EINVAL; | ||
| 157 | return 0; | ||
| 158 | } | ||
| 159 | |||
| 160 | static const char *foo_get_group_name(struct pinctrl_dev *pctldev, | ||
| 161 | unsigned selector) | ||
| 162 | { | ||
| 163 | return foo_groups[selector].name; | ||
| 164 | } | ||
| 165 | |||
| 166 | static int foo_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, | ||
| 167 | unsigned ** const pins, | ||
| 168 | unsigned * const num_pins) | ||
| 169 | { | ||
| 170 | *pins = (unsigned *) foo_groups[selector].pins; | ||
| 171 | *num_pins = foo_groups[selector].num_pins; | ||
| 172 | return 0; | ||
| 173 | } | ||
| 174 | |||
| 175 | static struct pinctrl_ops foo_pctrl_ops = { | ||
| 176 | .list_groups = foo_list_groups, | ||
| 177 | .get_group_name = foo_get_group_name, | ||
| 178 | .get_group_pins = foo_get_group_pins, | ||
| 179 | }; | ||
| 180 | |||
| 181 | |||
| 182 | static struct pinctrl_desc foo_desc = { | ||
| 183 | ... | ||
| 184 | .pctlops = &foo_pctrl_ops, | ||
| 185 | }; | ||
| 186 | |||
| 187 | The pin control subsystem will call the .list_groups() function repeatedly | ||
| 188 | beginning on 0 until it returns non-zero to determine legal selectors, then | ||
| 189 | it will call the other functions to retrieve the name and pins of the group. | ||
| 190 | Maintaining the data structure of the groups is up to the driver, this is | ||
| 191 | just a simple example - in practice you may need more entries in your group | ||
| 192 | structure, for example specific register ranges associated with each group | ||
| 193 | and so on. | ||
| 194 | |||
| 195 | |||
| 196 | Interaction with the GPIO subsystem | ||
| 197 | =================================== | ||
| 198 | |||
| 199 | The GPIO drivers may want to perform operations of various types on the same | ||
| 200 | physical pins that are also registered as pin controller pins. | ||
| 201 | |||
| 202 | Since the pin controller subsystem have its pinspace local to the pin | ||
| 203 | controller we need a mapping so that the pin control subsystem can figure out | ||
| 204 | which pin controller handles control of a certain GPIO pin. Since a single | ||
| 205 | pin controller may be muxing several GPIO ranges (typically SoCs that have | ||
| 206 | one set of pins but internally several GPIO silicon blocks, each modeled as | ||
| 207 | a struct gpio_chip) any number of GPIO ranges can be added to a pin controller | ||
| 208 | instance like this: | ||
| 209 | |||
| 210 | struct gpio_chip chip_a; | ||
| 211 | struct gpio_chip chip_b; | ||
| 212 | |||
| 213 | static struct pinctrl_gpio_range gpio_range_a = { | ||
| 214 | .name = "chip a", | ||
| 215 | .id = 0, | ||
| 216 | .base = 32, | ||
| 217 | .npins = 16, | ||
| 218 | .gc = &chip_a; | ||
| 219 | }; | ||
| 220 | |||
| 221 | static struct pinctrl_gpio_range gpio_range_a = { | ||
| 222 | .name = "chip b", | ||
| 223 | .id = 0, | ||
| 224 | .base = 48, | ||
| 225 | .npins = 8, | ||
| 226 | .gc = &chip_b; | ||
| 227 | }; | ||
| 228 | |||
| 229 | |||
| 230 | { | ||
| 231 | struct pinctrl_dev *pctl; | ||
| 232 | ... | ||
| 233 | pinctrl_add_gpio_range(pctl, &gpio_range_a); | ||
| 234 | pinctrl_add_gpio_range(pctl, &gpio_range_b); | ||
| 235 | } | ||
| 236 | |||
| 237 | So this complex system has one pin controller handling two different | ||
| 238 | GPIO chips. Chip a has 16 pins and chip b has 8 pins. They are mapped in | ||
| 239 | the global GPIO pin space at: | ||
| 240 | |||
| 241 | chip a: [32 .. 47] | ||
| 242 | chip b: [48 .. 55] | ||
| 243 | |||
| 244 | When GPIO-specific functions in the pin control subsystem are called, these | ||
| 245 | ranges will be used to look up the apropriate pin controller by inspecting | ||
| 246 | and matching the pin to the pin ranges across all controllers. When a | ||
| 247 | pin controller handling the matching range is found, GPIO-specific functions | ||
| 248 | will be called on that specific pin controller. | ||
| 249 | |||
| 250 | For all functionalities dealing with pin biasing, pin muxing etc, the pin | ||
| 251 | controller subsystem will subtract the range's .base offset from the passed | ||
| 252 | in gpio pin number, and pass that on to the pin control driver, so the driver | ||
| 253 | will get an offset into its handled number range. Further it is also passed | ||
| 254 | the range ID value, so that the pin controller knows which range it should | ||
| 255 | deal with. | ||
| 256 | |||
| 257 | For example: if a user issues pinctrl_gpio_set_foo(50), the pin control | ||
| 258 | subsystem will find that the second range on this pin controller matches, | ||
| 259 | subtract the base 48 and call the | ||
| 260 | pinctrl_driver_gpio_set_foo(pinctrl, range, 2) where the latter function has | ||
| 261 | this signature: | ||
| 262 | |||
| 263 | int pinctrl_driver_gpio_set_foo(struct pinctrl_dev *pctldev, | ||
| 264 | struct pinctrl_gpio_range *rangeid, | ||
| 265 | unsigned offset); | ||
| 266 | |||
| 267 | Now the driver knows that we want to do some GPIO-specific operation on the | ||
| 268 | second GPIO range handled by "chip b", at offset 2 in that specific range. | ||
| 269 | |||
| 270 | (If the GPIO subsystem is ever refactored to use a local per-GPIO controller | ||
| 271 | pin space, this mapping will need to be augmented accordingly.) | ||
| 272 | |||
| 273 | |||
| 274 | PINMUX interfaces | ||
| 275 | ================= | ||
| 276 | |||
| 277 | These calls use the pinmux_* naming prefix. No other calls should use that | ||
| 278 | prefix. | ||
| 279 | |||
| 280 | |||
| 281 | What is pinmuxing? | ||
| 282 | ================== | ||
| 283 | |||
| 284 | PINMUX, also known as padmux, ballmux, alternate functions or mission modes | ||
| 285 | is a way for chip vendors producing some kind of electrical packages to use | ||
| 286 | a certain physical pin (ball, pad, finger, etc) for multiple mutually exclusive | ||
| 287 | functions, depending on the application. By "application" in this context | ||
| 288 | we usually mean a way of soldering or wiring the package into an electronic | ||
| 289 | system, even though the framework makes it possible to also change the function | ||
| 290 | at runtime. | ||
| 291 | |||
| 292 | Here is an example of a PGA (Pin Grid Array) chip seen from underneath: | ||
| 293 | |||
| 294 | A B C D E F G H | ||
| 295 | +---+ | ||
| 296 | 8 | o | o o o o o o o | ||
| 297 | | | | ||
| 298 | 7 | o | o o o o o o o | ||
| 299 | | | | ||
| 300 | 6 | o | o o o o o o o | ||
| 301 | +---+---+ | ||
| 302 | 5 | o | o | o o o o o o | ||
| 303 | +---+---+ +---+ | ||
| 304 | 4 o o o o o o | o | o | ||
| 305 | | | | ||
| 306 | 3 o o o o o o | o | o | ||
| 307 | | | | ||
| 308 | 2 o o o o o o | o | o | ||
| 309 | +-------+-------+-------+---+---+ | ||
| 310 | 1 | o o | o o | o o | o | o | | ||
| 311 | +-------+-------+-------+---+---+ | ||
| 312 | |||
| 313 | This is not tetris. The game to think of is chess. Not all PGA/BGA packages | ||
| 314 | are chessboard-like, big ones have "holes" in some arrangement according to | ||
| 315 | different design patterns, but we're using this as a simple example. Of the | ||
| 316 | pins you see some will be taken by things like a few VCC and GND to feed power | ||
| 317 | to the chip, and quite a few will be taken by large ports like an external | ||
| 318 | memory interface. The remaining pins will often be subject to pin multiplexing. | ||
| 319 | |||
| 320 | The example 8x8 PGA package above will have pin numbers 0 thru 63 assigned to | ||
| 321 | its physical pins. It will name the pins { A1, A2, A3 ... H6, H7, H8 } using | ||
| 322 | pinctrl_register_pins() and a suitable data set as shown earlier. | ||
| 323 | |||
| 324 | In this 8x8 BGA package the pins { A8, A7, A6, A5 } can be used as an SPI port | ||
| 325 | (these are four pins: CLK, RXD, TXD, FRM). In that case, pin B5 can be used as | ||
| 326 | some general-purpose GPIO pin. However, in another setting, pins { A5, B5 } can | ||
| 327 | be used as an I2C port (these are just two pins: SCL, SDA). Needless to say, | ||
| 328 | we cannot use the SPI port and I2C port at the same time. However in the inside | ||
| 329 | of the package the silicon performing the SPI logic can alternatively be routed | ||
| 330 | out on pins { G4, G3, G2, G1 }. | ||
| 331 | |||
| 332 | On the botton row at { A1, B1, C1, D1, E1, F1, G1, H1 } we have something | ||
| 333 | special - it's an external MMC bus that can be 2, 4 or 8 bits wide, and it will | ||
| 334 | consume 2, 4 or 8 pins respectively, so either { A1, B1 } are taken or | ||
| 335 | { A1, B1, C1, D1 } or all of them. If we use all 8 bits, we cannot use the SPI | ||
| 336 | port on pins { G4, G3, G2, G1 } of course. | ||
| 337 | |||
| 338 | This way the silicon blocks present inside the chip can be multiplexed "muxed" | ||
| 339 | out on different pin ranges. Often contemporary SoC (systems on chip) will | ||
| 340 | contain several I2C, SPI, SDIO/MMC, etc silicon blocks that can be routed to | ||
| 341 | different pins by pinmux settings. | ||
| 342 | |||
| 343 | Since general-purpose I/O pins (GPIO) are typically always in shortage, it is | ||
| 344 | common to be able to use almost any pin as a GPIO pin if it is not currently | ||
| 345 | in use by some other I/O port. | ||
| 346 | |||
| 347 | |||
| 348 | Pinmux conventions | ||
| 349 | ================== | ||
| 350 | |||
| 351 | The purpose of the pinmux functionality in the pin controller subsystem is to | ||
| 352 | abstract and provide pinmux settings to the devices you choose to instantiate | ||
| 353 | in your machine configuration. It is inspired by the clk, GPIO and regulator | ||
| 354 | subsystems, so devices will request their mux setting, but it's also possible | ||
| 355 | to request a single pin for e.g. GPIO. | ||
| 356 | |||
| 357 | Definitions: | ||
| 358 | |||
| 359 | - FUNCTIONS can be switched in and out by a driver residing with the pin | ||
| 360 | control subsystem in the drivers/pinctrl/* directory of the kernel. The | ||
| 361 | pin control driver knows the possible functions. In the example above you can | ||
| 362 | identify three pinmux functions, one for spi, one for i2c and one for mmc. | ||
| 363 | |||
| 364 | - FUNCTIONS are assumed to be enumerable from zero in a one-dimensional array. | ||
| 365 | In this case the array could be something like: { spi0, i2c0, mmc0 } | ||
| 366 | for the three available functions. | ||
| 367 | |||
| 368 | - FUNCTIONS have PIN GROUPS as defined on the generic level - so a certain | ||
| 369 | function is *always* associated with a certain set of pin groups, could | ||
| 370 | be just a single one, but could also be many. In the example above the | ||
| 371 | function i2c is associated with the pins { A5, B5 }, enumerated as | ||
| 372 | { 24, 25 } in the controller pin space. | ||
| 373 | |||
| 374 | The Function spi is associated with pin groups { A8, A7, A6, A5 } | ||
| 375 | and { G4, G3, G2, G1 }, which are enumerated as { 0, 8, 16, 24 } and | ||
| 376 | { 38, 46, 54, 62 } respectively. | ||
| 377 | |||
| 378 | Group names must be unique per pin controller, no two groups on the same | ||
| 379 | controller may have the same name. | ||
| 380 | |||
| 381 | - The combination of a FUNCTION and a PIN GROUP determine a certain function | ||
| 382 | for a certain set of pins. The knowledge of the functions and pin groups | ||
| 383 | and their machine-specific particulars are kept inside the pinmux driver, | ||
| 384 | from the outside only the enumerators are known, and the driver core can: | ||
| 385 | |||
| 386 | - Request the name of a function with a certain selector (>= 0) | ||
| 387 | - A list of groups associated with a certain function | ||
| 388 | - Request that a certain group in that list to be activated for a certain | ||
| 389 | function | ||
| 390 | |||
| 391 | As already described above, pin groups are in turn self-descriptive, so | ||
| 392 | the core will retrieve the actual pin range in a certain group from the | ||
| 393 | driver. | ||
| 394 | |||
| 395 | - FUNCTIONS and GROUPS on a certain PIN CONTROLLER are MAPPED to a certain | ||
| 396 | device by the board file, device tree or similar machine setup configuration | ||
| 397 | mechanism, similar to how regulators are connected to devices, usually by | ||
| 398 | name. Defining a pin controller, function and group thus uniquely identify | ||
| 399 | the set of pins to be used by a certain device. (If only one possible group | ||
| 400 | of pins is available for the function, no group name need to be supplied - | ||
| 401 | the core will simply select the first and only group available.) | ||
| 402 | |||
| 403 | In the example case we can define that this particular machine shall | ||
| 404 | use device spi0 with pinmux function fspi0 group gspi0 and i2c0 on function | ||
| 405 | fi2c0 group gi2c0, on the primary pin controller, we get mappings | ||
| 406 | like these: | ||
| 407 | |||
| 408 | { | ||
| 409 | {"map-spi0", spi0, pinctrl0, fspi0, gspi0}, | ||
| 410 | {"map-i2c0", i2c0, pinctrl0, fi2c0, gi2c0} | ||
| 411 | } | ||
| 412 | |||
| 413 | Every map must be assigned a symbolic name, pin controller and function. | ||
| 414 | The group is not compulsory - if it is omitted the first group presented by | ||
| 415 | the driver as applicable for the function will be selected, which is | ||
| 416 | useful for simple cases. | ||
| 417 | |||
| 418 | The device name is present in map entries tied to specific devices. Maps | ||
| 419 | without device names are referred to as SYSTEM pinmuxes, such as can be taken | ||
| 420 | by the machine implementation on boot and not tied to any specific device. | ||
| 421 | |||
| 422 | It is possible to map several groups to the same combination of device, | ||
| 423 | pin controller and function. This is for cases where a certain function on | ||
| 424 | a certain pin controller may use different sets of pins in different | ||
| 425 | configurations. | ||
| 426 | |||
| 427 | - PINS for a certain FUNCTION using a certain PIN GROUP on a certain | ||
| 428 | PIN CONTROLLER are provided on a first-come first-serve basis, so if some | ||
| 429 | other device mux setting or GPIO pin request has already taken your physical | ||
| 430 | pin, you will be denied the use of it. To get (activate) a new setting, the | ||
| 431 | old one has to be put (deactivated) first. | ||
| 432 | |||
| 433 | Sometimes the documentation and hardware registers will be oriented around | ||
| 434 | pads (or "fingers") rather than pins - these are the soldering surfaces on the | ||
| 435 | silicon inside the package, and may or may not match the actual number of | ||
| 436 | pins/balls underneath the capsule. Pick some enumeration that makes sense to | ||
| 437 | you. Define enumerators only for the pins you can control if that makes sense. | ||
| 438 | |||
| 439 | Assumptions: | ||
| 440 | |||
| 441 | We assume that the number possible function maps to pin groups is limited by | ||
| 442 | the hardware. I.e. we assume that there is no system where any function can be | ||
| 443 | mapped to any pin, like in a phone exchange. So the available pins groups for | ||
| 444 | a certain function will be limited to a few choices (say up to eight or so), | ||
| 445 | not hundreds or any amount of choices. This is the characteristic we have found | ||
| 446 | by inspecting available pinmux hardware, and a necessary assumption since we | ||
| 447 | expect pinmux drivers to present *all* possible function vs pin group mappings | ||
| 448 | to the subsystem. | ||
| 449 | |||
| 450 | |||
| 451 | Pinmux drivers | ||
| 452 | ============== | ||
| 453 | |||
| 454 | The pinmux core takes care of preventing conflicts on pins and calling | ||
| 455 | the pin controller driver to execute different settings. | ||
| 456 | |||
| 457 | It is the responsibility of the pinmux driver to impose further restrictions | ||
| 458 | (say for example infer electronic limitations due to load etc) to determine | ||
| 459 | whether or not the requested function can actually be allowed, and in case it | ||
| 460 | is possible to perform the requested mux setting, poke the hardware so that | ||
| 461 | this happens. | ||
| 462 | |||
| 463 | Pinmux drivers are required to supply a few callback functions, some are | ||
| 464 | optional. Usually the enable() and disable() functions are implemented, | ||
| 465 | writing values into some certain registers to activate a certain mux setting | ||
| 466 | for a certain pin. | ||
| 467 | |||
| 468 | A simple driver for the above example will work by setting bits 0, 1, 2, 3 or 4 | ||
| 469 | into some register named MUX to select a certain function with a certain | ||
| 470 | group of pins would work something like this: | ||
| 471 | |||
| 472 | #include <linux/pinctrl/pinctrl.h> | ||
| 473 | #include <linux/pinctrl/pinmux.h> | ||
| 474 | |||
| 475 | struct foo_group { | ||
| 476 | const char *name; | ||
| 477 | const unsigned int *pins; | ||
| 478 | const unsigned num_pins; | ||
| 479 | }; | ||
| 480 | |||
| 481 | static const unsigned spi0_0_pins[] = { 0, 8, 16, 24 }; | ||
| 482 | static const unsigned spi0_1_pins[] = { 38, 46, 54, 62 }; | ||
| 483 | static const unsigned i2c0_pins[] = { 24, 25 }; | ||
| 484 | static const unsigned mmc0_1_pins[] = { 56, 57 }; | ||
| 485 | static const unsigned mmc0_2_pins[] = { 58, 59 }; | ||
| 486 | static const unsigned mmc0_3_pins[] = { 60, 61, 62, 63 }; | ||
| 487 | |||
| 488 | static const struct foo_group foo_groups[] = { | ||
| 489 | { | ||
| 490 | .name = "spi0_0_grp", | ||
| 491 | .pins = spi0_0_pins, | ||
| 492 | .num_pins = ARRAY_SIZE(spi0_0_pins), | ||
| 493 | }, | ||
| 494 | { | ||
| 495 | .name = "spi0_1_grp", | ||
| 496 | .pins = spi0_1_pins, | ||
| 497 | .num_pins = ARRAY_SIZE(spi0_1_pins), | ||
| 498 | }, | ||
| 499 | { | ||
| 500 | .name = "i2c0_grp", | ||
| 501 | .pins = i2c0_pins, | ||
| 502 | .num_pins = ARRAY_SIZE(i2c0_pins), | ||
| 503 | }, | ||
| 504 | { | ||
| 505 | .name = "mmc0_1_grp", | ||
| 506 | .pins = mmc0_1_pins, | ||
| 507 | .num_pins = ARRAY_SIZE(mmc0_1_pins), | ||
| 508 | }, | ||
| 509 | { | ||
| 510 | .name = "mmc0_2_grp", | ||
| 511 | .pins = mmc0_2_pins, | ||
| 512 | .num_pins = ARRAY_SIZE(mmc0_2_pins), | ||
| 513 | }, | ||
| 514 | { | ||
| 515 | .name = "mmc0_3_grp", | ||
| 516 | .pins = mmc0_3_pins, | ||
| 517 | .num_pins = ARRAY_SIZE(mmc0_3_pins), | ||
| 518 | }, | ||
| 519 | }; | ||
| 520 | |||
| 521 | |||
| 522 | static int foo_list_groups(struct pinctrl_dev *pctldev, unsigned selector) | ||
| 523 | { | ||
| 524 | if (selector >= ARRAY_SIZE(foo_groups)) | ||
| 525 | return -EINVAL; | ||
| 526 | return 0; | ||
| 527 | } | ||
| 528 | |||
| 529 | static const char *foo_get_group_name(struct pinctrl_dev *pctldev, | ||
| 530 | unsigned selector) | ||
| 531 | { | ||
| 532 | return foo_groups[selector].name; | ||
| 533 | } | ||
| 534 | |||
| 535 | static int foo_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, | ||
| 536 | unsigned ** const pins, | ||
| 537 | unsigned * const num_pins) | ||
| 538 | { | ||
| 539 | *pins = (unsigned *) foo_groups[selector].pins; | ||
| 540 | *num_pins = foo_groups[selector].num_pins; | ||
| 541 | return 0; | ||
| 542 | } | ||
| 543 | |||
| 544 | static struct pinctrl_ops foo_pctrl_ops = { | ||
| 545 | .list_groups = foo_list_groups, | ||
| 546 | .get_group_name = foo_get_group_name, | ||
| 547 | .get_group_pins = foo_get_group_pins, | ||
| 548 | }; | ||
| 549 | |||
| 550 | struct foo_pmx_func { | ||
| 551 | const char *name; | ||
| 552 | const char * const *groups; | ||
| 553 | const unsigned num_groups; | ||
| 554 | }; | ||
| 555 | |||
| 556 | static const char * const spi0_groups[] = { "spi0_1_grp" }; | ||
| 557 | static const char * const i2c0_groups[] = { "i2c0_grp" }; | ||
| 558 | static const char * const mmc0_groups[] = { "mmc0_1_grp", "mmc0_2_grp", | ||
| 559 | "mmc0_3_grp" }; | ||
| 560 | |||
| 561 | static const struct foo_pmx_func foo_functions[] = { | ||
| 562 | { | ||
| 563 | .name = "spi0", | ||
| 564 | .groups = spi0_groups, | ||
| 565 | .num_groups = ARRAY_SIZE(spi0_groups), | ||
| 566 | }, | ||
| 567 | { | ||
| 568 | .name = "i2c0", | ||
| 569 | .groups = i2c0_groups, | ||
| 570 | .num_groups = ARRAY_SIZE(i2c0_groups), | ||
| 571 | }, | ||
| 572 | { | ||
| 573 | .name = "mmc0", | ||
| 574 | .groups = mmc0_groups, | ||
| 575 | .num_groups = ARRAY_SIZE(mmc0_groups), | ||
| 576 | }, | ||
| 577 | }; | ||
| 578 | |||
| 579 | int foo_list_funcs(struct pinctrl_dev *pctldev, unsigned selector) | ||
| 580 | { | ||
| 581 | if (selector >= ARRAY_SIZE(foo_functions)) | ||
| 582 | return -EINVAL; | ||
| 583 | return 0; | ||
| 584 | } | ||
| 585 | |||
| 586 | const char *foo_get_fname(struct pinctrl_dev *pctldev, unsigned selector) | ||
| 587 | { | ||
| 588 | return myfuncs[selector].name; | ||
| 589 | } | ||
| 590 | |||
| 591 | static int foo_get_groups(struct pinctrl_dev *pctldev, unsigned selector, | ||
| 592 | const char * const **groups, | ||
| 593 | unsigned * const num_groups) | ||
| 594 | { | ||
| 595 | *groups = foo_functions[selector].groups; | ||
| 596 | *num_groups = foo_functions[selector].num_groups; | ||
| 597 | return 0; | ||
| 598 | } | ||
| 599 | |||
| 600 | int foo_enable(struct pinctrl_dev *pctldev, unsigned selector, | ||
| 601 | unsigned group) | ||
| 602 | { | ||
| 603 | u8 regbit = (1 << group); | ||
| 604 | |||
| 605 | writeb((readb(MUX)|regbit), MUX) | ||
| 606 | return 0; | ||
| 607 | } | ||
| 608 | |||
| 609 | int foo_disable(struct pinctrl_dev *pctldev, unsigned selector, | ||
| 610 | unsigned group) | ||
| 611 | { | ||
| 612 | u8 regbit = (1 << group); | ||
| 613 | |||
| 614 | writeb((readb(MUX) & ~(regbit)), MUX) | ||
| 615 | return 0; | ||
| 616 | } | ||
| 617 | |||
| 618 | struct pinmux_ops foo_pmxops = { | ||
| 619 | .list_functions = foo_list_funcs, | ||
| 620 | .get_function_name = foo_get_fname, | ||
| 621 | .get_function_groups = foo_get_groups, | ||
| 622 | .enable = foo_enable, | ||
| 623 | .disable = foo_disable, | ||
| 624 | }; | ||
| 625 | |||
| 626 | /* Pinmux operations are handled by some pin controller */ | ||
| 627 | static struct pinctrl_desc foo_desc = { | ||
| 628 | ... | ||
| 629 | .pctlops = &foo_pctrl_ops, | ||
| 630 | .pmxops = &foo_pmxops, | ||
| 631 | }; | ||
| 632 | |||
| 633 | In the example activating muxing 0 and 1 at the same time setting bits | ||
| 634 | 0 and 1, uses one pin in common so they would collide. | ||
| 635 | |||
| 636 | The beauty of the pinmux subsystem is that since it keeps track of all | ||
| 637 | pins and who is using them, it will already have denied an impossible | ||
| 638 | request like that, so the driver does not need to worry about such | ||
| 639 | things - when it gets a selector passed in, the pinmux subsystem makes | ||
| 640 | sure no other device or GPIO assignment is already using the selected | ||
| 641 | pins. Thus bits 0 and 1 in the control register will never be set at the | ||
| 642 | same time. | ||
| 643 | |||
| 644 | All the above functions are mandatory to implement for a pinmux driver. | ||
| 645 | |||
| 646 | |||
| 647 | Pinmux interaction with the GPIO subsystem | ||
| 648 | ========================================== | ||
| 649 | |||
| 650 | The function list could become long, especially if you can convert every | ||
| 651 | individual pin into a GPIO pin independent of any other pins, and then try | ||
| 652 | the approach to define every pin as a function. | ||
| 653 | |||
| 654 | In this case, the function array would become 64 entries for each GPIO | ||
| 655 | setting and then the device functions. | ||
| 656 | |||
| 657 | For this reason there is an additional function a pinmux driver can implement | ||
| 658 | to enable only GPIO on an individual pin: .gpio_request_enable(). The same | ||
| 659 | .free() function as for other functions is assumed to be usable also for | ||
| 660 | GPIO pins. | ||
| 661 | |||
| 662 | This function will pass in the affected GPIO range identified by the pin | ||
| 663 | controller core, so you know which GPIO pins are being affected by the request | ||
| 664 | operation. | ||
| 665 | |||
| 666 | Alternatively it is fully allowed to use named functions for each GPIO | ||
| 667 | pin, the pinmux_request_gpio() will attempt to obtain the function "gpioN" | ||
| 668 | where "N" is the global GPIO pin number if no special GPIO-handler is | ||
| 669 | registered. | ||
| 670 | |||
| 671 | |||
| 672 | Pinmux board/machine configuration | ||
| 673 | ================================== | ||
| 674 | |||
| 675 | Boards and machines define how a certain complete running system is put | ||
| 676 | together, including how GPIOs and devices are muxed, how regulators are | ||
| 677 | constrained and how the clock tree looks. Of course pinmux settings are also | ||
| 678 | part of this. | ||
| 679 | |||
| 680 | A pinmux config for a machine looks pretty much like a simple regulator | ||
| 681 | configuration, so for the example array above we want to enable i2c and | ||
| 682 | spi on the second function mapping: | ||
| 683 | |||
| 684 | #include <linux/pinctrl/machine.h> | ||
| 685 | |||
| 686 | static struct pinmux_map pmx_mapping[] = { | ||
| 687 | { | ||
| 688 | .ctrl_dev_name = "pinctrl.0", | ||
| 689 | .function = "spi0", | ||
| 690 | .dev_name = "foo-spi.0", | ||
| 691 | }, | ||
| 692 | { | ||
| 693 | .ctrl_dev_name = "pinctrl.0", | ||
| 694 | .function = "i2c0", | ||
| 695 | .dev_name = "foo-i2c.0", | ||
| 696 | }, | ||
| 697 | { | ||
| 698 | .ctrl_dev_name = "pinctrl.0", | ||
| 699 | .function = "mmc0", | ||
| 700 | .dev_name = "foo-mmc.0", | ||
| 701 | }, | ||
| 702 | }; | ||
| 703 | |||
| 704 | The dev_name here matches to the unique device name that can be used to look | ||
| 705 | up the device struct (just like with clockdev or regulators). The function name | ||
| 706 | must match a function provided by the pinmux driver handling this pin range. | ||
| 707 | |||
| 708 | As you can see we may have several pin controllers on the system and thus | ||
| 709 | we need to specify which one of them that contain the functions we wish | ||
| 710 | to map. The map can also use struct device * directly, so there is no | ||
| 711 | inherent need to use strings to specify .dev_name or .ctrl_dev_name, these | ||
| 712 | are for the situation where you do not have a handle to the struct device *, | ||
| 713 | for example if they are not yet instantiated or cumbersome to obtain. | ||
| 714 | |||
| 715 | You register this pinmux mapping to the pinmux subsystem by simply: | ||
| 716 | |||
| 717 | ret = pinmux_register_mappings(&pmx_mapping, ARRAY_SIZE(pmx_mapping)); | ||
| 718 | |||
| 719 | Since the above construct is pretty common there is a helper macro to make | ||
| 720 | it even more compact which assumes you want to use pinctrl.0 and position | ||
| 721 | 0 for mapping, for example: | ||
| 722 | |||
| 723 | static struct pinmux_map pmx_mapping[] = { | ||
| 724 | PINMUX_MAP_PRIMARY("I2CMAP", "i2c0", "foo-i2c.0"), | ||
| 725 | }; | ||
| 726 | |||
| 727 | |||
| 728 | Complex mappings | ||
| 729 | ================ | ||
| 730 | |||
| 731 | As it is possible to map a function to different groups of pins an optional | ||
| 732 | .group can be specified like this: | ||
| 733 | |||
| 734 | ... | ||
| 735 | { | ||
| 736 | .name = "spi0-pos-A", | ||
| 737 | .ctrl_dev_name = "pinctrl.0", | ||
| 738 | .function = "spi0", | ||
| 739 | .group = "spi0_0_grp", | ||
| 740 | .dev_name = "foo-spi.0", | ||
| 741 | }, | ||
| 742 | { | ||
| 743 | .name = "spi0-pos-B", | ||
| 744 | .ctrl_dev_name = "pinctrl.0", | ||
| 745 | .function = "spi0", | ||
| 746 | .group = "spi0_1_grp", | ||
| 747 | .dev_name = "foo-spi.0", | ||
| 748 | }, | ||
| 749 | ... | ||
| 750 | |||
| 751 | This example mapping is used to switch between two positions for spi0 at | ||
| 752 | runtime, as described further below under the heading "Runtime pinmuxing". | ||
| 753 | |||
| 754 | Further it is possible to match several groups of pins to the same function | ||
| 755 | for a single device, say for example in the mmc0 example above, where you can | ||
| 756 | additively expand the mmc0 bus from 2 to 4 to 8 pins. If we want to use all | ||
| 757 | three groups for a total of 2+2+4 = 8 pins (for an 8-bit MMC bus as is the | ||
| 758 | case), we define a mapping like this: | ||
| 759 | |||
| 760 | ... | ||
| 761 | { | ||
| 762 | .name "2bit" | ||
| 763 | .ctrl_dev_name = "pinctrl.0", | ||
| 764 | .function = "mmc0", | ||
| 765 | .group = "mmc0_0_grp", | ||
| 766 | .dev_name = "foo-mmc.0", | ||
| 767 | }, | ||
| 768 | { | ||
| 769 | .name "4bit" | ||
| 770 | .ctrl_dev_name = "pinctrl.0", | ||
| 771 | .function = "mmc0", | ||
| 772 | .group = "mmc0_0_grp", | ||
| 773 | .dev_name = "foo-mmc.0", | ||
| 774 | }, | ||
| 775 | { | ||
| 776 | .name "4bit" | ||
| 777 | .ctrl_dev_name = "pinctrl.0", | ||
| 778 | .function = "mmc0", | ||
| 779 | .group = "mmc0_1_grp", | ||
| 780 | .dev_name = "foo-mmc.0", | ||
| 781 | }, | ||
| 782 | { | ||
| 783 | .name "8bit" | ||
| 784 | .ctrl_dev_name = "pinctrl.0", | ||
| 785 | .function = "mmc0", | ||
| 786 | .group = "mmc0_0_grp", | ||
| 787 | .dev_name = "foo-mmc.0", | ||
| 788 | }, | ||
| 789 | { | ||
| 790 | .name "8bit" | ||
| 791 | .ctrl_dev_name = "pinctrl.0", | ||
| 792 | .function = "mmc0", | ||
| 793 | .group = "mmc0_1_grp", | ||
| 794 | .dev_name = "foo-mmc.0", | ||
| 795 | }, | ||
| 796 | { | ||
| 797 | .name "8bit" | ||
| 798 | .ctrl_dev_name = "pinctrl.0", | ||
| 799 | .function = "mmc0", | ||
| 800 | .group = "mmc0_2_grp", | ||
| 801 | .dev_name = "foo-mmc.0", | ||
| 802 | }, | ||
| 803 | ... | ||
| 804 | |||
| 805 | The result of grabbing this mapping from the device with something like | ||
| 806 | this (see next paragraph): | ||
| 807 | |||
| 808 | pmx = pinmux_get(&device, "8bit"); | ||
| 809 | |||
| 810 | Will be that you activate all the three bottom records in the mapping at | ||
| 811 | once. Since they share the same name, pin controller device, funcion and | ||
| 812 | device, and since we allow multiple groups to match to a single device, they | ||
| 813 | all get selected, and they all get enabled and disable simultaneously by the | ||
| 814 | pinmux core. | ||
| 815 | |||
| 816 | |||
| 817 | Pinmux requests from drivers | ||
| 818 | ============================ | ||
| 819 | |||
| 820 | Generally it is discouraged to let individual drivers get and enable pinmuxes. | ||
| 821 | So if possible, handle the pinmuxes in platform code or some other place where | ||
| 822 | you have access to all the affected struct device * pointers. In some cases | ||
| 823 | where a driver needs to switch between different mux mappings at runtime | ||
| 824 | this is not possible. | ||
| 825 | |||
| 826 | A driver may request a certain mux to be activated, usually just the default | ||
| 827 | mux like this: | ||
| 828 | |||
| 829 | #include <linux/pinctrl/pinmux.h> | ||
| 830 | |||
| 831 | struct foo_state { | ||
| 832 | struct pinmux *pmx; | ||
| 833 | ... | ||
| 834 | }; | ||
| 835 | |||
| 836 | foo_probe() | ||
| 837 | { | ||
| 838 | /* Allocate a state holder named "state" etc */ | ||
| 839 | struct pinmux pmx; | ||
| 840 | |||
| 841 | pmx = pinmux_get(&device, NULL); | ||
| 842 | if IS_ERR(pmx) | ||
| 843 | return PTR_ERR(pmx); | ||
| 844 | pinmux_enable(pmx); | ||
| 845 | |||
| 846 | state->pmx = pmx; | ||
| 847 | } | ||
| 848 | |||
| 849 | foo_remove() | ||
| 850 | { | ||
| 851 | pinmux_disable(state->pmx); | ||
| 852 | pinmux_put(state->pmx); | ||
| 853 | } | ||
| 854 | |||
| 855 | If you want to grab a specific mux mapping and not just the first one found for | ||
| 856 | this device you can specify a specific mapping name, for example in the above | ||
| 857 | example the second i2c0 setting: pinmux_get(&device, "spi0-pos-B"); | ||
| 858 | |||
| 859 | This get/enable/disable/put sequence can just as well be handled by bus drivers | ||
| 860 | if you don't want each and every driver to handle it and you know the | ||
| 861 | arrangement on your bus. | ||
| 862 | |||
| 863 | The semantics of the get/enable respective disable/put is as follows: | ||
| 864 | |||
| 865 | - pinmux_get() is called in process context to reserve the pins affected with | ||
| 866 | a certain mapping and set up the pinmux core and the driver. It will allocate | ||
| 867 | a struct from the kernel memory to hold the pinmux state. | ||
| 868 | |||
| 869 | - pinmux_enable()/pinmux_disable() is quick and can be called from fastpath | ||
| 870 | (irq context) when you quickly want to set up/tear down the hardware muxing | ||
| 871 | when running a device driver. Usually it will just poke some values into a | ||
| 872 | register. | ||
| 873 | |||
| 874 | - pinmux_disable() is called in process context to tear down the pin requests | ||
| 875 | and release the state holder struct for the mux setting. | ||
| 876 | |||
| 877 | Usually the pinmux core handled the get/put pair and call out to the device | ||
| 878 | drivers bookkeeping operations, like checking available functions and the | ||
| 879 | associated pins, whereas the enable/disable pass on to the pin controller | ||
| 880 | driver which takes care of activating and/or deactivating the mux setting by | ||
| 881 | quickly poking some registers. | ||
| 882 | |||
| 883 | The pins are allocated for your device when you issue the pinmux_get() call, | ||
| 884 | after this you should be able to see this in the debugfs listing of all pins. | ||
| 885 | |||
| 886 | |||
| 887 | System pinmux hogging | ||
| 888 | ===================== | ||
| 889 | |||
| 890 | A system pinmux map entry, i.e. a pinmux setting that does not have a device | ||
| 891 | associated with it, can be hogged by the core when the pin controller is | ||
| 892 | registered. This means that the core will attempt to call pinmux_get() and | ||
| 893 | pinmux_enable() on it immediately after the pin control device has been | ||
| 894 | registered. | ||
| 895 | |||
| 896 | This is enabled by simply setting the .hog_on_boot field in the map to true, | ||
| 897 | like this: | ||
| 898 | |||
| 899 | { | ||
| 900 | .name "POWERMAP" | ||
| 901 | .ctrl_dev_name = "pinctrl.0", | ||
| 902 | .function = "power_func", | ||
| 903 | .hog_on_boot = true, | ||
| 904 | }, | ||
| 905 | |||
| 906 | Since it may be common to request the core to hog a few always-applicable | ||
| 907 | mux settings on the primary pin controller, there is a convenience macro for | ||
| 908 | this: | ||
| 909 | |||
| 910 | PINMUX_MAP_PRIMARY_SYS_HOG("POWERMAP", "power_func") | ||
| 911 | |||
| 912 | This gives the exact same result as the above construction. | ||
| 913 | |||
| 914 | |||
| 915 | Runtime pinmuxing | ||
| 916 | ================= | ||
| 917 | |||
| 918 | It is possible to mux a certain function in and out at runtime, say to move | ||
| 919 | an SPI port from one set of pins to another set of pins. Say for example for | ||
| 920 | spi0 in the example above, we expose two different groups of pins for the same | ||
| 921 | function, but with different named in the mapping as described under | ||
| 922 | "Advanced mapping" above. So we have two mappings named "spi0-pos-A" and | ||
| 923 | "spi0-pos-B". | ||
| 924 | |||
| 925 | This snippet first muxes the function in the pins defined by group A, enables | ||
| 926 | it, disables and releases it, and muxes it in on the pins defined by group B: | ||
| 927 | |||
| 928 | foo_switch() | ||
| 929 | { | ||
| 930 | struct pinmux pmx; | ||
| 931 | |||
| 932 | /* Enable on position A */ | ||
| 933 | pmx = pinmux_get(&device, "spi0-pos-A"); | ||
| 934 | if IS_ERR(pmx) | ||
| 935 | return PTR_ERR(pmx); | ||
| 936 | pinmux_enable(pmx); | ||
| 937 | |||
| 938 | /* This releases the pins again */ | ||
| 939 | pinmux_disable(pmx); | ||
| 940 | pinmux_put(pmx); | ||
| 941 | |||
| 942 | /* Enable on position B */ | ||
| 943 | pmx = pinmux_get(&device, "spi0-pos-B"); | ||
| 944 | if IS_ERR(pmx) | ||
| 945 | return PTR_ERR(pmx); | ||
| 946 | pinmux_enable(pmx); | ||
| 947 | ... | ||
| 948 | } | ||
| 949 | |||
| 950 | The above has to be done from process context. | ||
| @@ -26,6 +26,8 @@ s2ram.txt · 25 unmodified lines | |||
| 26 | - How to get suspend to ram working (and debug it when it isn't) | 26 | - How to get suspend to ram working (and debug it when it isn't) |
| 27 | states.txt | 27 | states.txt |
| 28 | - System power management states | 28 | - System power management states |
| 29 | suspend-and-cpuhotplug.txt | ||
| 30 | - Explains the interaction between Suspend-to-RAM (S3) and CPU hotplug | ||
| 29 | swsusp-and-swap-files.txt | 31 | swsusp-and-swap-files.txt |
| 30 | - Using swap files with software suspend (to disk) | 32 | - Using swap files with software suspend (to disk) |
| 31 | swsusp-dmcrypt.txt | 33 | swsusp-dmcrypt.txt |
| @@ -201,3 +201,27 @@ case, you may be able to search for failing drivers by following the procedure · 200 unmodified lines | |||
| 201 | analogous to the one described in section 1. If you find some failing drivers, | 201 | analogous to the one described in section 1. If you find some failing drivers, |
| 202 | you will have to unload them every time before an STR transition (ie. before | 202 | you will have to unload them every time before an STR transition (ie. before |
| 203 | you run s2ram), and please report the problems with them. | 203 | you run s2ram), and please report the problems with them. |
| 204 | |||
| 205 | There is a debugfs entry which shows the suspend to RAM statistics. Here is an | ||
| 206 | example of its output. | ||
| 207 | # mount -t debugfs none /sys/kernel/debug | ||
| 208 | # cat /sys/kernel/debug/suspend_stats | ||
| 209 | success: 20 | ||
| 210 | fail: 5 | ||
| 211 | failed_freeze: 0 | ||
| 212 | failed_prepare: 0 | ||
| 213 | failed_suspend: 5 | ||
| 214 | failed_suspend_noirq: 0 | ||
| 215 | failed_resume: 0 | ||
| 216 | failed_resume_noirq: 0 | ||
| 217 | failures: | ||
| 218 | last_failed_dev: alarm | ||
| 219 | adc | ||
| 220 | last_failed_errno: -16 | ||
| 221 | -16 | ||
| 222 | last_failed_step: suspend | ||
| 223 | suspend | ||
| 224 | Field success means the success number of suspend to RAM, and field fail means | ||
| 225 | the failure number. Others are the failure number of different steps of suspend | ||
| 226 | to RAM. suspend_stats just lists the last 2 failed devices, error number and | ||
| 227 | failed step of suspend. | ||
| @@ -152,7 +152,9 @@ try to use its wakeup mechanism. device_set_wakeup_enable() affects this flag; · 151 unmodified lines | |||
| 152 | for the most part drivers should not change its value. The initial value of | 152 | for the most part drivers should not change its value. The initial value of |
| 153 | should_wakeup is supposed to be false for the majority of devices; the major | 153 | should_wakeup is supposed to be false for the majority of devices; the major |
| 154 | exceptions are power buttons, keyboards, and Ethernet adapters whose WoL | 154 | exceptions are power buttons, keyboards, and Ethernet adapters whose WoL |
| 155 | (wake-on-LAN) feature has been set up with ethtool. | 155 | (wake-on-LAN) feature has been set up with ethtool. It should also default |
| 156 | to true for devices that don't generate wakeup requests on their own but merely | ||
| 157 | forward wakeup requests from one bus to another (like PCI bridges). | ||
| 156 | 158 | ||
| 157 | Whether or not a device is capable of issuing wakeup events is a hardware | 159 | Whether or not a device is capable of issuing wakeup events is a hardware |
| 158 | matter, and the kernel is responsible for keeping track of it. By contrast, | 160 | matter, and the kernel is responsible for keeping track of it. By contrast, |
| @@ -279,10 +281,6 @@ When the system goes into the standby or memory sleep state, the phases are: · 120 unmodified lines | |||
| 279 | time.) Unlike the other suspend-related phases, during the prepare | 281 | time.) Unlike the other suspend-related phases, during the prepare |
| 280 | phase the device tree is traversed top-down. | 282 | phase the device tree is traversed top-down. |
| 281 | 283 | ||
| 282 | In addition to that, if device drivers need to allocate additional | ||
| 283 | memory to be able to hadle device suspend correctly, that should be | ||
| 284 | done in the prepare phase. | ||
| 285 | |||
| 286 | After the prepare callback method returns, no new children may be | 284 | After the prepare callback method returns, no new children may be |
| 287 | registered below the device. The method may also prepare the device or | 285 | registered below the device. The method may also prepare the device or |
| 288 | driver in some way for the upcoming system power transition (for | 286 | driver in some way for the upcoming system power transition (for |
| @@ -22,12 +22,12 @@ try_to_freeze_tasks() that sets TIF_FREEZE for all of the freezable tasks and · 21 unmodified lines | |||
| 22 | either wakes them up, if they are kernel threads, or sends fake signals to them, | 22 | either wakes them up, if they are kernel threads, or sends fake signals to them, |
| 23 | if they are user space processes. A task that has TIF_FREEZE set, should react | 23 | if they are user space processes. A task that has TIF_FREEZE set, should react |
| 24 | to it by calling the function called refrigerator() (defined in | 24 | to it by calling the function called refrigerator() (defined in |
| 25 | kernel/power/process.c), which sets the task's PF_FROZEN flag, changes its state | 25 | kernel/freezer.c), which sets the task's PF_FROZEN flag, changes its state |
| 26 | to TASK_UNINTERRUPTIBLE and makes it loop until PF_FROZEN is cleared for it. | 26 | to TASK_UNINTERRUPTIBLE and makes it loop until PF_FROZEN is cleared for it. |
| 27 | Then, we say that the task is 'frozen' and therefore the set of functions | 27 | Then, we say that the task is 'frozen' and therefore the set of functions |
| 28 | handling this mechanism is referred to as 'the freezer' (these functions are | 28 | handling this mechanism is referred to as 'the freezer' (these functions are |
| 29 | defined in kernel/power/process.c and include/linux/freezer.h). User space | 29 | defined in kernel/power/process.c, kernel/freezer.c & include/linux/freezer.h). |
| 30 | processes are generally frozen before kernel threads. | 30 | User space processes are generally frozen before kernel threads. |
| 31 | 31 | ||
| 32 | It is not recommended to call refrigerator() directly. Instead, it is | 32 | It is not recommended to call refrigerator() directly. Instead, it is |
| 33 | recommended to use the try_to_freeze() function (defined in | 33 | recommended to use the try_to_freeze() function (defined in |
| @@ -95,7 +95,7 @@ after the memory for the image has been freed, we don't want tasks to allocate · 61 unmodified lines | |||
| 95 | additional memory and we prevent them from doing that by freezing them earlier. | 95 | additional memory and we prevent them from doing that by freezing them earlier. |
| 96 | [Of course, this also means that device drivers should not allocate substantial | 96 | [Of course, this also means that device drivers should not allocate substantial |
| 97 | amounts of memory from their .suspend() callbacks before hibernation, but this | 97 | amounts of memory from their .suspend() callbacks before hibernation, but this |
| 98 | is e separate issue.] | 98 | is a separate issue.] |
| 99 | 99 | ||
| 100 | 3. The third reason is to prevent user space processes and some kernel threads | 100 | 3. The third reason is to prevent user space processes and some kernel threads |
| 101 | from interfering with the suspending and resuming of devices. A user space | 101 | from interfering with the suspending and resuming of devices. A user space |
| @@ -4,14 +4,19 @@ This interface provides a kernel and user mode interface for registering · 3 unmodified lines | |||
| 4 | performance expectations by drivers, subsystems and user space applications on | 4 | performance expectations by drivers, subsystems and user space applications on |
| 5 | one of the parameters. | 5 | one of the parameters. |
| 6 | 6 | ||
| 7 | Currently we have {cpu_dma_latency, network_latency, network_throughput} as the | 7 | Two different PM QoS frameworks are available: |
| 8 | initial set of pm_qos parameters. | 8 | 1. PM QoS classes for cpu_dma_latency, network_latency, network_throughput. |
| 9 | 2. the per-device PM QoS framework provides the API to manage the per-device latency | ||
| 10 | constraints. | ||
| 9 | 11 | ||
| 10 | Each parameters have defined units: | 12 | Each parameters have defined units: |
| 11 | * latency: usec | 13 | * latency: usec |
| 12 | * timeout: usec | 14 | * timeout: usec |
| 13 | * throughput: kbs (kilo bit / sec) | 15 | * throughput: kbs (kilo bit / sec) |
| 14 | 16 | ||
| 17 | |||
| 18 | 1. PM QoS framework | ||
| 19 | |||
| 15 | The infrastructure exposes multiple misc device nodes one per implemented | 20 | The infrastructure exposes multiple misc device nodes one per implemented |
| 16 | parameter. The set of parameters implement is defined by pm_qos_power_init() | 21 | parameter. The set of parameters implement is defined by pm_qos_power_init() |
| 17 | and pm_qos_params.h. This is done because having the available parameters | 22 | and pm_qos_params.h. This is done because having the available parameters |
| @@ -23,14 +28,18 @@ an aggregated target value. The aggregated target value is updated with · 5 unmodified lines | |||
| 23 | changes to the request list or elements of the list. Typically the | 28 | changes to the request list or elements of the list. Typically the |
| 24 | aggregated target value is simply the max or min of the request values held | 29 | aggregated target value is simply the max or min of the request values held |
| 25 | in the parameter list elements. | 30 | in the parameter list elements. |
| 31 | Note: the aggregated target value is implemented as an atomic variable so that | ||
| 32 | reading the aggregated value does not require any locking mechanism. | ||
| 33 | |||
| 26 | 34 | ||
| 27 | From kernel mode the use of this interface is simple: | 35 | From kernel mode the use of this interface is simple: |
| 28 | 36 | ||
| 29 | handle = pm_qos_add_request(param_class, target_value): | 37 | void pm_qos_add_request(handle, param_class, target_value): |
| 30 | Will insert an element into the list for that identified PM_QOS class with the | 38 | Will insert an element into the list for that identified PM QoS class with the |
| 31 | target value. Upon change to this list the new target is recomputed and any | 39 | target value. Upon change to this list the new target is recomputed and any |
| 32 | registered notifiers are called only if the target value is now different. | 40 | registered notifiers are called only if the target value is now different. |
| 33 | Clients of pm_qos need to save the returned handle. | 41 | Clients of pm_qos need to save the returned handle for future use in other |
| 42 | pm_qos API functions. | ||
| 34 | 43 | ||
| 35 | void pm_qos_update_request(handle, new_target_value): | 44 | void pm_qos_update_request(handle, new_target_value): |
| 36 | Will update the list element pointed to by the handle with the new target value | 45 | Will update the list element pointed to by the handle with the new target value |
| @@ -42,6 +51,20 @@ Will remove the element. After removal it will update the aggregate target and · 5 unmodified lines | |||
| 42 | call the notification tree if the target was changed as a result of removing | 51 | call the notification tree if the target was changed as a result of removing |
| 43 | the request. | 52 | the request. |
| 44 | 53 | ||
| 54 | int pm_qos_request(param_class): | ||
| 55 | Returns the aggregated value for a given PM QoS class. | ||
| 56 | |||
| 57 | int pm_qos_request_active(handle): | ||
| 58 | Returns if the request is still active, i.e. it has not been removed from a | ||
| 59 | PM QoS class constraints list. | ||
| 60 | |||
| 61 | int pm_qos_add_notifier(param_class, notifier): | ||
| 62 | Adds a notification callback function to the PM QoS class. The callback is | ||
| 63 | called when the aggregated value for the PM QoS class is changed. | ||
| 64 | |||
| 65 | int pm_qos_remove_notifier(int param_class, notifier): | ||
| 66 | Removes the notification callback function for the PM QoS class. | ||
| 67 | |||
| 45 | 68 | ||
| 46 | From user mode: | 69 | From user mode: |
| 47 | Only processes can register a pm_qos request. To provide for automatic | 70 | Only processes can register a pm_qos request. To provide for automatic |
| @@ -63,4 +86,63 @@ To remove the user mode request for a target value simply close the device · 15 unmodified lines | |||
| 63 | node. | 86 | node. |
| 64 | 87 | ||
| 65 | 88 | ||
| 89 | 2. PM QoS per-device latency framework | ||
| 90 | |||
| 91 | For each device a list of performance requests is maintained along with | ||
| 92 | an aggregated target value. The aggregated target value is updated with | ||
| 93 | changes to the request list or elements of the list. Typically the | ||
| 94 | aggregated target value is simply the max or min of the request values held | ||
| 95 | in the parameter list elements. | ||
| 96 | Note: the aggregated target value is implemented as an atomic variable so that | ||
| 97 | reading the aggregated value does not require any locking mechanism. | ||
| 98 | |||
| 99 | |||
| 100 | From kernel mode the use of this interface is the following: | ||
| 101 | |||
| 102 | int dev_pm_qos_add_request(device, handle, value): | ||
| 103 | Will insert an element into the list for that identified device with the | ||
| 104 | target value. Upon change to this list the new target is recomputed and any | ||
| 105 | registered notifiers are called only if the target value is now different. | ||
| 106 | Clients of dev_pm_qos need to save the handle for future use in other | ||
| 107 | dev_pm_qos API functions. | ||
| 108 | |||
| 109 | int dev_pm_qos_update_request(handle, new_value): | ||
| 110 | Will update the list element pointed to by the handle with the new target value | ||
| 111 | and recompute the new aggregated target, calling the notification trees if the | ||
| 112 | target is changed. | ||
| 113 | |||
| 114 | int dev_pm_qos_remove_request(handle): | ||
| 115 | Will remove the element. After removal it will update the aggregate target and | ||
| 116 | call the notification trees if the target was changed as a result of removing | ||
| 117 | the request. | ||
| 118 | |||
| 119 | s32 dev_pm_qos_read_value(device): | ||
| 120 | Returns the aggregated value for a given device's constraints list. | ||
| 121 | |||
| 122 | |||
| 123 | Notification mechanisms: | ||
| 124 | The per-device PM QoS framework has 2 different and distinct notification trees: | ||
| 125 | a per-device notification tree and a global notification tree. | ||
| 126 | |||
| 127 | int dev_pm_qos_add_notifier(device, notifier): | ||
| 128 | Adds a notification callback function for the device. | ||
| 129 | The callback is called when the aggregated value of the device constraints list | ||
| 130 | is changed. | ||
| 131 | |||
| 132 | int dev_pm_qos_remove_notifier(device, notifier): | ||
| 133 | Removes the notification callback function for the device. | ||
| 134 | |||
| 135 | int dev_pm_qos_add_global_notifier(notifier): | ||
| 136 | Adds a notification callback function in the global notification tree of the | ||
| 137 | framework. | ||
| 138 | The callback is called when the aggregated value for any device is changed. | ||
| 139 | |||
| 140 | int dev_pm_qos_remove_global_notifier(notifier): | ||
| 141 | Removes the notification callback function from the global notification tree | ||
| 142 | of the framework. | ||
| 143 | |||
| 144 | |||
| 145 | From user mode: | ||
| 146 | No API for user space access to the per-device latency constraints is provided | ||
| 147 | yet - still under discussion. | ||
| 66 | 148 | ||
| @@ -16,7 +16,7 @@ initialisation code by creating a struct regulator_consumer_supply for · 15 unmodified lines | |||
| 16 | each regulator. | 16 | each regulator. |
| 17 | 17 | ||
| 18 | struct regulator_consumer_supply { | 18 | struct regulator_consumer_supply { |
| 19 | struct device *dev; /* consumer */ | 19 | const char *dev_name; /* consumer dev_name() */ |
| 20 | const char *supply; /* consumer supply - e.g. "vcc" */ | 20 | const char *supply; /* consumer supply - e.g. "vcc" */ |
| 21 | }; | 21 | }; |
| 22 | 22 | ||
| @@ -24,13 +24,13 @@ e.g. for the machine above · 1 unmodified line | |||
| 24 | 24 | ||
| 25 | static struct regulator_consumer_supply regulator1_consumers[] = { | 25 | static struct regulator_consumer_supply regulator1_consumers[] = { |
| 26 | { | 26 | { |
| 27 | .dev = &platform_consumerB_device.dev, | 27 | .dev_name = "dev_name(consumer B)", |
| 28 | .supply = "Vcc", | 28 | .supply = "Vcc", |
| 29 | },}; | 29 | },}; |
| 30 | 30 | ||
| 31 | static struct regulator_consumer_supply regulator2_consumers[] = { | 31 | static struct regulator_consumer_supply regulator2_consumers[] = { |
| 32 | { | 32 | { |
| 33 | .dev = &platform_consumerA_device.dev, | 33 | .dev = "dev_name(consumer A"), |
| 34 | .supply = "Vcc", | 34 | .supply = "Vcc", |
| 35 | },}; | 35 | },}; |
| 36 | 36 | ||
| @@ -43,6 +43,7 @@ to their supply regulator :- · 6 unmodified lines | |||
| 43 | 43 | ||
| 44 | static struct regulator_init_data regulator1_data = { | 44 | static struct regulator_init_data regulator1_data = { |
| 45 | .constraints = { | 45 | .constraints = { |
| 46 | .name = "Regulator-1", | ||
| 46 | .min_uV = 3300000, | 47 | .min_uV = 3300000, |
| 47 | .max_uV = 3300000, | 48 | .max_uV = 3300000, |
| 48 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | 49 | .valid_modes_mask = REGULATOR_MODE_NORMAL, |
| @@ -51,13 +52,19 @@ static struct regulator_init_data regulator1_data = { · 2 unmodified lines | |||
| 51 | .consumer_supplies = regulator1_consumers, | 52 | .consumer_supplies = regulator1_consumers, |
| 52 | }; | 53 | }; |
| 53 | 54 | ||
| 55 | The name field should be set to something that is usefully descriptive | ||
| 56 | for the board for configuration of supplies for other regulators and | ||
| 57 | for use in logging and other diagnostic output. Normally the name | ||
| 58 | used for the supply rail in the schematic is a good choice. If no | ||
| 59 | name is provided then the subsystem will choose one. | ||
| 60 | |||
| 54 | Regulator-1 supplies power to Regulator-2. This relationship must be registered | 61 | Regulator-1 supplies power to Regulator-2. This relationship must be registered |
| 55 | with the core so that Regulator-1 is also enabled when Consumer A enables its | 62 | with the core so that Regulator-1 is also enabled when Consumer A enables its |
| 56 | supply (Regulator-2). The supply regulator is set by the supply_regulator | 63 | supply (Regulator-2). The supply regulator is set by the supply_regulator |
| 57 | field below:- | 64 | field below and co:- |
| 58 | 65 | ||
| 59 | static struct regulator_init_data regulator2_data = { | 66 | static struct regulator_init_data regulator2_data = { |
| 60 | .supply_regulator = "regulator_name", | 67 | .supply_regulator = "Regulator-1", |
| 61 | .constraints = { | 68 | .constraints = { |
| 62 | .min_uV = 1800000, | 69 | .min_uV = 1800000, |
| 63 | .max_uV = 2000000, | 70 | .max_uV = 2000000, |
| @@ -43,13 +43,18 @@ struct dev_pm_ops { · 42 unmodified lines | |||
| 43 | ... | 43 | ... |
| 44 | }; | 44 | }; |
| 45 | 45 | ||
| 46 | The ->runtime_suspend(), ->runtime_resume() and ->runtime_idle() callbacks are | 46 | The ->runtime_suspend(), ->runtime_resume() and ->runtime_idle() callbacks |
| 47 | executed by the PM core for either the device type, or the class (if the device | 47 | are executed by the PM core for either the power domain, or the device type |
| 48 | type's struct dev_pm_ops object does not exist), or the bus type (if the | 48 | (if the device power domain's struct dev_pm_ops does not exist), or the class |
| 49 | device type's and class' struct dev_pm_ops objects do not exist) of the given | 49 | (if the device power domain's and type's struct dev_pm_ops object does not |
| 50 | device (this allows device types to override callbacks provided by bus types or | 50 | exist), or the bus type (if the device power domain's, type's and class' |
| 51 | classes if necessary). The bus type, device type and class callbacks are | 51 | struct dev_pm_ops objects do not exist) of the given device, so the priority |
| 52 | referred to as subsystem-level callbacks in what follows. | 52 | order of callbacks from high to low is that power domain callbacks, device |
| 53 | type callbacks, class callbacks and bus type callbacks, and the high priority | ||
| 54 | one will take precedence over low priority one. The bus type, device type and | ||
| 55 | class callbacks are referred to as subsystem-level callbacks in what follows, | ||
| 56 | and generally speaking, the power domain callbacks are used for representing | ||
| 57 | power domains within a SoC. | ||
| 53 | 58 | ||
| 54 | By default, the callbacks are always invoked in process context with interrupts | 59 | By default, the callbacks are always invoked in process context with interrupts |
| 55 | enabled. However, subsystems can use the pm_runtime_irq_safe() helper function | 60 | enabled. However, subsystems can use the pm_runtime_irq_safe() helper function |
| @@ -477,12 +482,14 @@ pm_runtime_autosuspend_expiration() · 421 unmodified lines | |||
| 477 | If pm_runtime_irq_safe() has been called for a device then the following helper | 482 | If pm_runtime_irq_safe() has been called for a device then the following helper |
| 478 | functions may also be used in interrupt context: | 483 | functions may also be used in interrupt context: |
| 479 | 484 | ||
| 485 | pm_runtime_idle() | ||
| 480 | pm_runtime_suspend() | 486 | pm_runtime_suspend() |
| 481 | pm_runtime_autosuspend() | 487 | pm_runtime_autosuspend() |
| 482 | pm_runtime_resume() | 488 | pm_runtime_resume() |
| 483 | pm_runtime_get_sync() | 489 | pm_runtime_get_sync() |
| 484 | pm_runtime_put_sync() | 490 | pm_runtime_put_sync() |
| 485 | pm_runtime_put_sync_suspend() | 491 | pm_runtime_put_sync_suspend() |
| 492 | pm_runtime_put_sync_autosuspend() | ||
| 486 | 493 | ||
| 487 | 5. Runtime PM Initialization, Device Probing and Removal | 494 | 5. Runtime PM Initialization, Device Probing and Removal |
| 488 | 495 | ||
| @@ -782,6 +789,16 @@ will behave normally, not taking the autosuspend delay into account. · 293 unmodified lines | |||
| 782 | Similarly, if the power.use_autosuspend field isn't set then the autosuspend | 789 | Similarly, if the power.use_autosuspend field isn't set then the autosuspend |
| 783 | helper functions will behave just like the non-autosuspend counterparts. | 790 | helper functions will behave just like the non-autosuspend counterparts. |
| 784 | 791 | ||
| 792 | Under some circumstances a driver or subsystem may want to prevent a device | ||
| 793 | from autosuspending immediately, even though the usage counter is zero and the | ||
| 794 | autosuspend delay time has expired. If the ->runtime_suspend() callback | ||
| 795 | returns -EAGAIN or -EBUSY, and if the next autosuspend delay expiration time is | ||
| 796 | in the future (as it normally would be if the callback invoked | ||
| 797 | pm_runtime_mark_last_busy()), the PM core will automatically reschedule the | ||
| 798 | autosuspend. The ->runtime_suspend() callback can't do this rescheduling | ||
| 799 | itself because no suspend requests of any kind are accepted while the device is | ||
| 800 | suspending (i.e., while the callback is running). | ||
| 801 | |||
| 785 | The implementation is well suited for asynchronous use in interrupt contexts. | 802 | The implementation is well suited for asynchronous use in interrupt contexts. |
| 786 | However such use inevitably involves races, because the PM core can't | 803 | However such use inevitably involves races, because the PM core can't |
| 787 | synchronize ->runtime_suspend() callbacks with the arrival of I/O requests. | 804 | synchronize ->runtime_suspend() callbacks with the arrival of I/O requests. |
| @@ -0,0 +1,275 @@ | |||
| 1 | Interaction of Suspend code (S3) with the CPU hotplug infrastructure | ||
| 2 | |||
| 3 | (C) 2011 Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> | ||
| 4 | |||
| 5 | |||
| 6 | I. How does the regular CPU hotplug code differ from how the Suspend-to-RAM | ||
| 7 | infrastructure uses it internally? And where do they share common code? | ||
| 8 | |||
| 9 | Well, a picture is worth a thousand words... So ASCII art follows :-) | ||
| 10 | |||
| 11 | [This depicts the current design in the kernel, and focusses only on the | ||
| 12 | interactions involving the freezer and CPU hotplug and also tries to explain | ||
| 13 | the locking involved. It outlines the notifications involved as well. | ||
| 14 | But please note that here, only the call paths are illustrated, with the aim | ||
| 15 | of describing where they take different paths and where they share code. | ||
| 16 | What happens when regular CPU hotplug and Suspend-to-RAM race with each other | ||
| 17 | is not depicted here.] | ||
| 18 | |||
| 19 | On a high level, the suspend-resume cycle goes like this: | ||
| 20 | |||
| 21 | |Freeze| -> |Disable nonboot| -> |Do suspend| -> |Enable nonboot| -> |Thaw | | ||
| 22 | |tasks | | cpus | | | | cpus | |tasks| | ||
| 23 | |||
| 24 | |||
| 25 | More details follow: | ||
| 26 | |||
| 27 | Suspend call path | ||
| 28 | ----------------- | ||
| 29 | |||
| 30 | Write 'mem' to | ||
| 31 | /sys/power/state | ||
| 32 | syfs file | ||
| 33 | | | ||
| 34 | v | ||
| 35 | Acquire pm_mutex lock | ||
| 36 | | | ||
| 37 | v | ||
| 38 | Send PM_SUSPEND_PREPARE | ||
| 39 | notifications | ||
| 40 | | | ||
| 41 | v | ||
| 42 | Freeze tasks | ||
| 43 | | | ||
| 44 | | | ||
| 45 | v | ||
| 46 | disable_nonboot_cpus() | ||
| 47 | /* start */ | ||
| 48 | | | ||
| 49 | v | ||
| 50 | Acquire cpu_add_remove_lock | ||
| 51 | | | ||
| 52 | v | ||
| 53 | Iterate over CURRENTLY | ||
| 54 | online CPUs | ||
| 55 | | | ||
| 56 | | | ||
| 57 | | ---------- | ||
| 58 | v | L | ||
| 59 | ======> _cpu_down() | | ||
| 60 | | [This takes cpuhotplug.lock | | ||
| 61 | Common | before taking down the CPU | | ||
| 62 | code | and releases it when done] | O | ||
| 63 | | While it is at it, notifications | | ||
| 64 | | are sent when notable events occur, | | ||
| 65 | ======> by running all registered callbacks. | | ||
| 66 | | | O | ||
| 67 | | | | ||
| 68 | | | | ||
| 69 | v | | ||
| 70 | Note down these cpus in | P | ||
| 71 | frozen_cpus mask ---------- | ||
| 72 | | | ||
| 73 | v | ||
| 74 | Disable regular cpu hotplug | ||
| 75 | by setting cpu_hotplug_disabled=1 | ||
| 76 | | | ||
| 77 | v | ||
| 78 | Release cpu_add_remove_lock | ||
| 79 | | | ||
| 80 | v | ||
| 81 | /* disable_nonboot_cpus() complete */ | ||
| 82 | | | ||
| 83 | v | ||
| 84 | Do suspend | ||
| 85 | |||
| 86 | |||
| 87 | |||
| 88 | Resuming back is likewise, with the counterparts being (in the order of | ||
| 89 | execution during resume): | ||
| 90 | * enable_nonboot_cpus() which involves: | ||
| 91 | | Acquire cpu_add_remove_lock | ||
| 92 | | Reset cpu_hotplug_disabled to 0, thereby enabling regular cpu hotplug | ||
| 93 | | Call _cpu_up() [for all those cpus in the frozen_cpus mask, in a loop] | ||
| 94 | | Release cpu_add_remove_lock | ||
| 95 | v | ||
| 96 | |||
| 97 | * thaw tasks | ||
| 98 | * send PM_POST_SUSPEND notifications | ||
| 99 | * Release pm_mutex lock. | ||
| 100 | |||
| 101 | |||
| 102 | It is to be noted here that the pm_mutex lock is acquired at the very | ||
| 103 | beginning, when we are just starting out to suspend, and then released only | ||
| 104 | after the entire cycle is complete (i.e., suspend + resume). | ||
| 105 | |||
| 106 | |||
| 107 | |||
| 108 | Regular CPU hotplug call path | ||
| 109 | ----------------------------- | ||
| 110 | |||
| 111 | Write 0 (or 1) to | ||
| 112 | /sys/devices/system/cpu/cpu*/online | ||
| 113 | sysfs file | ||
| 114 | | | ||
| 115 | | | ||
| 116 | v | ||
| 117 | cpu_down() | ||
| 118 | | | ||
| 119 | v | ||
| 120 | Acquire cpu_add_remove_lock | ||
| 121 | | | ||
| 122 | v | ||
| 123 | If cpu_hotplug_disabled is 1 | ||
| 124 | return gracefully | ||
| 125 | | | ||
| 126 | | | ||
| 127 | v | ||
| 128 | ======> _cpu_down() | ||
| 129 | | [This takes cpuhotplug.lock | ||
| 130 | Common | before taking down the CPU | ||
| 131 | code | and releases it when done] | ||
| 132 | | While it is at it, notifications | ||
| 133 | | are sent when notable events occur, | ||
| 134 | ======> by running all registered callbacks. | ||
| 135 | | | ||
| 136 | | | ||
| 137 | v | ||
| 138 | Release cpu_add_remove_lock | ||
| 139 | [That's it!, for | ||
| 140 | regular CPU hotplug] | ||
| 141 | |||
| 142 | |||
| 143 | |||
| 144 | So, as can be seen from the two diagrams (the parts marked as "Common code"), | ||
| 145 | regular CPU hotplug and the suspend code path converge at the _cpu_down() and | ||
| 146 | _cpu_up() functions. They differ in the arguments passed to these functions, | ||
| 147 | in that during regular CPU hotplug, 0 is passed for the 'tasks_frozen' | ||
| 148 | argument. But during suspend, since the tasks are already frozen by the time | ||
| 149 | the non-boot CPUs are offlined or onlined, the _cpu_*() functions are called | ||
| 150 | with the 'tasks_frozen' argument set to 1. | ||
| 151 | [See below for some known issues regarding this.] | ||
| 152 | |||
| 153 | |||
| 154 | Important files and functions/entry points: | ||
| 155 | ------------------------------------------ | ||
| 156 | |||
| 157 | kernel/power/process.c : freeze_processes(), thaw_processes() | ||
| 158 | kernel/power/suspend.c : suspend_prepare(), suspend_enter(), suspend_finish() | ||
| 159 | kernel/cpu.c: cpu_[up|down](), _cpu_[up|down](), [disable|enable]_nonboot_cpus() | ||
| 160 | |||
| 161 | |||
| 162 | |||
| 163 | II. What are the issues involved in CPU hotplug? | ||
| 164 | ------------------------------------------- | ||
| 165 | |||
| 166 | There are some interesting situations involving CPU hotplug and microcode | ||
| 167 | update on the CPUs, as discussed below: | ||
| 168 | |||
| 169 | [Please bear in mind that the kernel requests the microcode images from | ||
| 170 | userspace, using the request_firmware() function defined in | ||
| 171 | drivers/base/firmware_class.c] | ||
| 172 | |||
| 173 | |||
| 174 | a. When all the CPUs are identical: | ||
| 175 | |||
| 176 | This is the most common situation and it is quite straightforward: we want | ||
| 177 | to apply the same microcode revision to each of the CPUs. | ||
| 178 | To give an example of x86, the collect_cpu_info() function defined in | ||
| 179 | arch/x86/kernel/microcode_core.c helps in discovering the type of the CPU | ||
| 180 | and thereby in applying the correct microcode revision to it. | ||
| 181 | But note that the kernel does not maintain a common microcode image for the | ||
| 182 | all CPUs, in order to handle case 'b' described below. | ||
| 183 | |||
| 184 | |||
| 185 | b. When some of the CPUs are different than the rest: | ||
| 186 | |||
| 187 | In this case since we probably need to apply different microcode revisions | ||
| 188 | to different CPUs, the kernel maintains a copy of the correct microcode | ||
| 189 | image for each CPU (after appropriate CPU type/model discovery using | ||
| 190 | functions such as collect_cpu_info()). | ||
| 191 | |||
| 192 | |||
| 193 | c. When a CPU is physically hot-unplugged and a new (and possibly different | ||
| 194 | type of) CPU is hot-plugged into the system: | ||
| 195 | |||
| 196 | In the current design of the kernel, whenever a CPU is taken offline during | ||
| 197 | a regular CPU hotplug operation, upon receiving the CPU_DEAD notification | ||
| 198 | (which is sent by the CPU hotplug code), the microcode update driver's | ||
| 199 | callback for that event reacts by freeing the kernel's copy of the | ||
| 200 | microcode image for that CPU. | ||
| 201 | |||
| 202 | Hence, when a new CPU is brought online, since the kernel finds that it | ||
| 203 | doesn't have the microcode image, it does the CPU type/model discovery | ||
| 204 | afresh and then requests the userspace for the appropriate microcode image | ||
| 205 | for that CPU, which is subsequently applied. | ||
| 206 | |||
| 207 | For example, in x86, the mc_cpu_callback() function (which is the microcode | ||
| 208 | update driver's callback registered for CPU hotplug events) calls | ||
| 209 | microcode_update_cpu() which would call microcode_init_cpu() in this case, | ||
| 210 | instead of microcode_resume_cpu() when it finds that the kernel doesn't | ||
| 211 | have a valid microcode image. This ensures that the CPU type/model | ||
| 212 | discovery is performed and the right microcode is applied to the CPU after | ||
| 213 | getting it from userspace. | ||
| 214 | |||
| 215 | |||
| 216 | d. Handling microcode update during suspend/hibernate: | ||
| 217 | |||
| 218 | Strictly speaking, during a CPU hotplug operation which does not involve | ||
| 219 | physically removing or inserting CPUs, the CPUs are not actually powered | ||
| 220 | off during a CPU offline. They are just put to the lowest C-states possible. | ||
| 221 | Hence, in such a case, it is not really necessary to re-apply microcode | ||
| 222 | when the CPUs are brought back online, since they wouldn't have lost the | ||
| 223 | image during the CPU offline operation. | ||
| 224 | |||
| 225 | This is the usual scenario encountered during a resume after a suspend. | ||
| 226 | However, in the case of hibernation, since all the CPUs are completely | ||
| 227 | powered off, during restore it becomes necessary to apply the microcode | ||
| 228 | images to all the CPUs. | ||
| 229 | |||
| 230 | [Note that we don't expect someone to physically pull out nodes and insert | ||
| 231 | nodes with a different type of CPUs in-between a suspend-resume or a | ||
| 232 | hibernate/restore cycle.] | ||
| 233 | |||
| 234 | In the current design of the kernel however, during a CPU offline operation | ||
| 235 | as part of the suspend/hibernate cycle (the CPU_DEAD_FROZEN notification), | ||
| 236 | the existing copy of microcode image in the kernel is not freed up. | ||
| 237 | And during the CPU online operations (during resume/restore), since the | ||
| 238 | kernel finds that it already has copies of the microcode images for all the | ||
| 239 | CPUs, it just applies them to the CPUs, avoiding any re-discovery of CPU | ||
| 240 | type/model and the need for validating whether the microcode revisions are | ||
| 241 | right for the CPUs or not (due to the above assumption that physical CPU | ||
| 242 | hotplug will not be done in-between suspend/resume or hibernate/restore | ||
| 243 | cycles). | ||
| 244 | |||
| 245 | |||
| 246 | III. Are there any known problems when regular CPU hotplug and suspend race | ||
| 247 | with each other? | ||
| 248 | |||
| 249 | Yes, they are listed below: | ||
| 250 | |||
| 251 | 1. When invoking regular CPU hotplug, the 'tasks_frozen' argument passed to | ||
| 252 | the _cpu_down() and _cpu_up() functions is *always* 0. | ||
| 253 | This might not reflect the true current state of the system, since the | ||
| 254 | tasks could have been frozen by an out-of-band event such as a suspend | ||
| 255 | operation in progress. Hence, it will lead to wrong notifications being | ||
| 256 | sent during the cpu online/offline events (eg, CPU_ONLINE notification | ||
| 257 | instead of CPU_ONLINE_FROZEN) which in turn will lead to execution of | ||
| 258 | inappropriate code by the callbacks registered for such CPU hotplug events. | ||
| 259 | |||
| 260 | 2. If a regular CPU hotplug stress test happens to race with the freezer due | ||
| 261 | to a suspend operation in progress at the same time, then we could hit the | ||
| 262 | situation described below: | ||
| 263 | |||
| 264 | * A regular cpu online operation continues its journey from userspace | ||
| 265 | into the kernel, since the freezing has not yet begun. | ||
| 266 | * Then freezer gets to work and freezes userspace. | ||
| 267 | * If cpu online has not yet completed the microcode update stuff by now, | ||
| 268 | it will now start waiting on the frozen userspace in the | ||
| 269 | TASK_UNINTERRUPTIBLE state, in order to get the microcode image. | ||
| 270 | * Now the freezer continues and tries to freeze the remaining tasks. But | ||
| 271 | due to this wait mentioned above, the freezer won't be able to freeze | ||
| 272 | the cpu online hotplug task and hence freezing of tasks fails. | ||
| 273 | |||
| 274 | As a result of this task freezing failure, the suspend operation gets | ||
| 275 | aborted. | ||
| @@ -144,7 +144,7 @@ and the default device ID in order to access the device on the active port. · 143 unmodified lines | |||
| 144 | 144 | ||
| 145 | After the host has completed enumeration of the entire network it releases | 145 | After the host has completed enumeration of the entire network it releases |
| 146 | devices by clearing device ID locks (calls rio_clear_locks()). For each endpoint | 146 | devices by clearing device ID locks (calls rio_clear_locks()). For each endpoint |
| 147 | in the system, it sets the Master Enable bit in the Port General Control CSR | 147 | in the system, it sets the Discovered bit in the Port General Control CSR |
| 148 | to indicate that enumeration is completed and agents are allowed to execute | 148 | to indicate that enumeration is completed and agents are allowed to execute |
| 149 | passive discovery of the network. | 149 | passive discovery of the network. |
| 150 | 150 | ||
| @@ -0,0 +1,49 @@ | |||
| 1 | RapidIO subsystem mport driver for IDT Tsi721 PCI Express-to-SRIO bridge. | ||
| 2 | ========================================================================= | ||
| 3 | |||
| 4 | I. Overview | ||
| 5 | |||
| 6 | This driver implements all currently defined RapidIO mport callback functions. | ||
| 7 | It supports maintenance read and write operations, inbound and outbound RapidIO | ||
| 8 | doorbells, inbound maintenance port-writes and RapidIO messaging. | ||
| 9 | |||
| 10 | To generate SRIO maintenance transactions this driver uses one of Tsi721 DMA | ||
| 11 | channels. This mechanism provides access to larger range of hop counts and | ||
| 12 | destination IDs without need for changes in outbound window translation. | ||
| 13 | |||
| 14 | RapidIO messaging support uses dedicated messaging channels for each mailbox. | ||
| 15 | For inbound messages this driver uses destination ID matching to forward messages | ||
| 16 | into the corresponding message queue. Messaging callbacks are implemented to be | ||
| 17 | fully compatible with RIONET driver (Ethernet over RapidIO messaging services). | ||
| 18 | |||
| 19 | II. Known problems | ||
| 20 | |||
| 21 | None. | ||
| 22 | |||
| 23 | III. To do | ||
| 24 | |||
| 25 | Add DMA data transfers (non-messaging). | ||
| 26 | Add inbound region (SRIO-to-PCIe) mapping. | ||
| 27 | |||
| 28 | IV. Version History | ||
| 29 | |||
| 30 | 1.0.0 - Initial driver release. | ||
| 31 | |||
| 32 | V. License | ||
| 33 | ----------------------------------------------- | ||
| 34 | |||
| 35 | Copyright(c) 2011 Integrated Device Technology, Inc. All rights reserved. | ||
| 36 | |||
| 37 | This program is free software; you can redistribute it and/or modify it | ||
| 38 | under the terms of the GNU General Public License as published by the Free | ||
| 39 | Software Foundation; either version 2 of the License, or (at your option) | ||
| 40 | any later version. | ||
| 41 | |||
| 42 | This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 43 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 44 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 45 | more details. | ||
| 46 | |||
| 47 | You should have received a copy of the GNU General Public License along with | ||
| 48 | this program; if not, write to the Free Software Foundation, Inc., | ||
| 49 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| @@ -0,0 +1,122 @@ | |||
| 1 | CFS Bandwidth Control | ||
| 2 | ===================== | ||
| 3 | |||
| 4 | [ This document only discusses CPU bandwidth control for SCHED_NORMAL. | ||
| 5 | The SCHED_RT case is covered in Documentation/scheduler/sched-rt-group.txt ] | ||
| 6 | |||
| 7 | CFS bandwidth control is a CONFIG_FAIR_GROUP_SCHED extension which allows the | ||
| 8 | specification of the maximum CPU bandwidth available to a group or hierarchy. | ||
| 9 | |||
| 10 | The bandwidth allowed for a group is specified using a quota and period. Within | ||
| 11 | each given "period" (microseconds), a group is allowed to consume only up to | ||
| 12 | "quota" microseconds of CPU time. When the CPU bandwidth consumption of a | ||
| 13 | group exceeds this limit (for that period), the tasks belonging to its | ||
| 14 | hierarchy will be throttled and are not allowed to run again until the next | ||
| 15 | period. | ||
| 16 | |||
| 17 | A group's unused runtime is globally tracked, being refreshed with quota units | ||
| 18 | above at each period boundary. As threads consume this bandwidth it is | ||
| 19 | transferred to cpu-local "silos" on a demand basis. The amount transferred | ||
| 20 | within each of these updates is tunable and described as the "slice". | ||
| 21 | |||
| 22 | Management | ||
| 23 | ---------- | ||
| 24 | Quota and period are managed within the cpu subsystem via cgroupfs. | ||
| 25 | |||
| 26 | cpu.cfs_quota_us: the total available run-time within a period (in microseconds) | ||
| 27 | cpu.cfs_period_us: the length of a period (in microseconds) | ||
| 28 | cpu.stat: exports throttling statistics [explained further below] | ||
| 29 | |||
| 30 | The default values are: | ||
| 31 | cpu.cfs_period_us=100ms | ||
| 32 | cpu.cfs_quota=-1 | ||
| 33 | |||
| 34 | A value of -1 for cpu.cfs_quota_us indicates that the group does not have any | ||
| 35 | bandwidth restriction in place, such a group is described as an unconstrained | ||
| 36 | bandwidth group. This represents the traditional work-conserving behavior for | ||
| 37 | CFS. | ||
| 38 | |||
| 39 | Writing any (valid) positive value(s) will enact the specified bandwidth limit. | ||
| 40 | The minimum quota allowed for the quota or period is 1ms. There is also an | ||
| 41 | upper bound on the period length of 1s. Additional restrictions exist when | ||
| 42 | bandwidth limits are used in a hierarchical fashion, these are explained in | ||
| 43 | more detail below. | ||
| 44 | |||
| 45 | Writing any negative value to cpu.cfs_quota_us will remove the bandwidth limit | ||
| 46 | and return the group to an unconstrained state once more. | ||
| 47 | |||
| 48 | Any updates to a group's bandwidth specification will result in it becoming | ||
| 49 | unthrottled if it is in a constrained state. | ||
| 50 | |||
| 51 | System wide settings | ||
| 52 | -------------------- | ||
| 53 | For efficiency run-time is transferred between the global pool and CPU local | ||
| 54 | "silos" in a batch fashion. This greatly reduces global accounting pressure | ||
| 55 | on large systems. The amount transferred each time such an update is required | ||
| 56 | is described as the "slice". | ||
| 57 | |||
| 58 | This is tunable via procfs: | ||
| 59 | /proc/sys/kernel/sched_cfs_bandwidth_slice_us (default=5ms) | ||
| 60 | |||
| 61 | Larger slice values will reduce transfer overheads, while smaller values allow | ||
| 62 | for more fine-grained consumption. | ||
| 63 | |||
| 64 | Statistics | ||
| 65 | ---------- | ||
| 66 | A group's bandwidth statistics are exported via 3 fields in cpu.stat. | ||
| 67 | |||
| 68 | cpu.stat: | ||
| 69 | - nr_periods: Number of enforcement intervals that have elapsed. | ||
| 70 | - nr_throttled: Number of times the group has been throttled/limited. | ||
| 71 | - throttled_time: The total time duration (in nanoseconds) for which entities | ||
| 72 | of the group have been throttled. | ||
| 73 | |||
| 74 | This interface is read-only. | ||
| 75 | |||
| 76 | Hierarchical considerations | ||
| 77 | --------------------------- | ||
| 78 | The interface enforces that an individual entity's bandwidth is always | ||
| 79 | attainable, that is: max(c_i) <= C. However, over-subscription in the | ||
| 80 | aggregate case is explicitly allowed to enable work-conserving semantics | ||
| 81 | within a hierarchy. | ||
| 82 | e.g. \Sum (c_i) may exceed C | ||
| 83 | [ Where C is the parent's bandwidth, and c_i its children ] | ||
| 84 | |||
| 85 | |||
| 86 | There are two ways in which a group may become throttled: | ||
| 87 | a. it fully consumes its own quota within a period | ||
| 88 | b. a parent's quota is fully consumed within its period | ||
| 89 | |||
| 90 | In case b) above, even though the child may have runtime remaining it will not | ||
| 91 | be allowed to until the parent's runtime is refreshed. | ||
| 92 | |||
| 93 | Examples | ||
| 94 | -------- | ||
| 95 | 1. Limit a group to 1 CPU worth of runtime. | ||
| 96 | |||
| 97 | If period is 250ms and quota is also 250ms, the group will get | ||
| 98 | 1 CPU worth of runtime every 250ms. | ||
| 99 | |||
| 100 | # echo 250000 > cpu.cfs_quota_us /* quota = 250ms */ | ||
| 101 | # echo 250000 > cpu.cfs_period_us /* period = 250ms */ | ||
| 102 | |||
| 103 | 2. Limit a group to 2 CPUs worth of runtime on a multi-CPU machine. | ||
| 104 | |||
| 105 | With 500ms period and 1000ms quota, the group can get 2 CPUs worth of | ||
| 106 | runtime every 500ms. | ||
| 107 | |||
| 108 | # echo 1000000 > cpu.cfs_quota_us /* quota = 1000ms */ | ||
| 109 | # echo 500000 > cpu.cfs_period_us /* period = 500ms */ | ||
| 110 | |||
| 111 | The larger period here allows for increased burst capacity. | ||
| 112 | |||
| 113 | 3. Limit a group to 20% of 1 CPU. | ||
| 114 | |||
| 115 | With 50ms period, 10ms quota will be equivalent to 20% of 1 CPU. | ||
| 116 | |||
| 117 | # echo 10000 > cpu.cfs_quota_us /* quota = 10ms */ | ||
| 118 | # echo 50000 > cpu.cfs_period_us /* period = 50ms */ | ||
| 119 | |||
| 120 | By using a small period here we are ensuring a consistent latency | ||
| 121 | response at the expense of burst capacity. | ||
| 122 | |||
| @@ -28,6 +28,8 @@ LICENSE.FlashPoint · 27 unmodified lines | |||
| 28 | - Licence of the Flashpoint driver | 28 | - Licence of the Flashpoint driver |
| 29 | LICENSE.qla2xxx | 29 | LICENSE.qla2xxx |
| 30 | - License for QLogic Linux Fibre Channel HBA Driver firmware. | 30 | - License for QLogic Linux Fibre Channel HBA Driver firmware. |
| 31 | LICENSE.qla4xxx | ||
| 32 | - License for QLogic Linux iSCSI HBA Driver. | ||
| 31 | Mylex.txt | 33 | Mylex.txt |
| 32 | - info on driver for Mylex adapters | 34 | - info on driver for Mylex adapters |
| 33 | NinjaSCSI.txt | 35 | NinjaSCSI.txt |
| @@ -1,3 +1,18 @@ | |||
| 1 | Release Date : Wed. Oct 5, 2011 17:00:00 PST 2010 - | ||
| 2 | (emaild-id:megaraidlinux@lsi.com) | ||
| 3 | Adam Radford | ||
| 4 | Current Version : 00.00.06.12-rc1 | ||
| 5 | Old Version : 00.00.05.40-rc1 | ||
| 6 | 1. Continue booting immediately if FW in FAULT at driver load time. | ||
| 7 | 2. Increase default cmds per lun to 256. | ||
| 8 | 3. Fix mismatch in megasas_reset_fusion() mutex lock-unlock. | ||
| 9 | 4. Remove some un-necessary code. | ||
| 10 | 5. Clear state change interrupts for Fusion/Invader. | ||
| 11 | 6. Clear FUSION_IN_RESET before enabling interrupts. | ||
| 12 | 7. Add support for MegaRAID 9360/9380 12GB/s controllers. | ||
| 13 | 8. Add multiple MSI-X vector/multiple reply queue support. | ||
| 14 | 9. Add driver workaround for PERC5/1068 kdump kernel panic. | ||
| 15 | ------------------------------------------------------------------------------- | ||
| 1 | Release Date : Tue. Jul 26, 2011 17:00:00 PST 2010 - | 16 | Release Date : Tue. Jul 26, 2011 17:00:00 PST 2010 - |
| 2 | (emaild-id:megaraidlinux@lsi.com) | 17 | (emaild-id:megaraidlinux@lsi.com) |
| 3 | Adam Radford | 18 | Adam Radford |
| @@ -0,0 +1,310 @@ | |||
| 1 | Copyright (c) 2003-2011 QLogic Corporation | ||
| 2 | QLogic Linux iSCSI HBA Driver | ||
| 3 | |||
| 4 | This program includes a device driver for Linux 3.x. | ||
| 5 | You may modify and redistribute the device driver code under the | ||
| 6 | GNU General Public License (a copy of which is attached hereto as | ||
| 7 | Exhibit A) published by the Free Software Foundation (version 2). | ||
| 8 | |||
| 9 | REGARDLESS OF WHAT LICENSING MECHANISM IS USED OR APPLICABLE, | ||
| 10 | THIS PROGRAM IS PROVIDED BY QLOGIC CORPORATION "AS IS'' AND ANY | ||
| 11 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 12 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| 13 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR | ||
| 14 | BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| 15 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED | ||
| 16 | TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 17 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 18 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| 19 | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 20 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 21 | POSSIBILITY OF SUCH DAMAGE. | ||
| 22 | |||
| 23 | USER ACKNOWLEDGES AND AGREES THAT USE OF THIS PROGRAM WILL NOT | ||
| 24 | CREATE OR GIVE GROUNDS FOR A LICENSE BY IMPLICATION, ESTOPPEL, OR | ||
| 25 | OTHERWISE IN ANY INTELLECTUAL PROPERTY RIGHTS (PATENT, COPYRIGHT, | ||
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| 27 | ANY OTHER QLOGIC HARDWARE OR SOFTWARE EITHER SOLELY OR IN | ||
| 28 | COMBINATION WITH THIS PROGRAM. | ||
| 29 | |||
| 30 | |||
| 31 | EXHIBIT A | ||
| 32 | |||
| 33 | GNU GENERAL PUBLIC LICENSE | ||
| 34 | Version 2, June 1991 | ||
| 35 | |||
| 36 | Copyright (C) 1989, 1991 Free Software Foundation, Inc. | ||
| 37 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 38 | Everyone is permitted to copy and distribute verbatim copies | ||
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| 40 | |||
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| 42 | |||
| 43 | The licenses for most software are designed to take away your | ||
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| 45 | License is intended to guarantee your freedom to share and change free | ||
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| 51 | your programs, too. | ||
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| 53 | When we speak of free software, we are referring to freedom, not | ||
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| 91 | GNU GENERAL PUBLIC LICENSE | ||
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| 280 | Foundation. | ||
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| 282 | 10. If you wish to incorporate parts of the Program into other free | ||
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| 290 | NO WARRANTY | ||
| 291 | |||
| 292 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY | ||
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| 302 | 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | ||
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| 309 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE | ||
| 310 | POSSIBILITY OF SUCH DAMAGES. | ||
| @@ -0,0 +1,75 @@ | |||
| 1 | Operating FCoE using bnx2fc | ||
| 2 | =========================== | ||
| 3 | Broadcom FCoE offload through bnx2fc is full stateful hardware offload that | ||
| 4 | cooperates with all interfaces provided by the Linux ecosystem for FC/FCoE and | ||
| 5 | SCSI controllers. As such, FCoE functionality, once enabled is largely | ||
| 6 | transparent. Devices discovered on the SAN will be registered and unregistered | ||
| 7 | automatically with the upper storage layers. | ||
| 8 | |||
| 9 | Despite the fact that the Broadcom's FCoE offload is fully offloaded, it does | ||
| 10 | depend on the state of the network interfaces to operate. As such, the network | ||
| 11 | interface (e.g. eth0) associated with the FCoE offload initiator must be 'up'. | ||
| 12 | It is recommended that the network interfaces be configured to be brought up | ||
| 13 | automatically at boot time. | ||
| 14 | |||
| 15 | Furthermore, the Broadcom FCoE offload solution creates VLAN interfaces to | ||
| 16 | support the VLANs that have been discovered for FCoE operation (e.g. | ||
| 17 | eth0.1001-fcoe). Do not delete or disable these interfaces or FCoE operation | ||
| 18 | will be disrupted. | ||
| 19 | |||
| 20 | Driver Usage Model: | ||
| 21 | =================== | ||
| 22 | |||
| 23 | 1. Ensure that fcoe-utils package is installed. | ||
| 24 | |||
| 25 | 2. Configure the interfaces on which bnx2fc driver has to operate on. | ||
| 26 | Here are the steps to configure: | ||
| 27 | a. cd /etc/fcoe | ||
| 28 | b. copy cfg-ethx to cfg-eth5 if FCoE has to be enabled on eth5. | ||
| 29 | c. Repeat this for all the interfaces where FCoE has to be enabled. | ||
| 30 | d. Edit all the cfg-eth files to set "no" for DCB_REQUIRED** field, and | ||
| 31 | "yes" for AUTO_VLAN. | ||
| 32 | e. Other configuration parameters should be left as default | ||
| 33 | |||
| 34 | 3. Ensure that "bnx2fc" is in SUPPORTED_DRIVERS list in /etc/fcoe/config. | ||
| 35 | |||
| 36 | 4. Start fcoe service. (service fcoe start). If Broadcom devices are present in | ||
| 37 | the system, bnx2fc driver would automatically claim the interfaces, starts vlan | ||
| 38 | discovery and log into the targets. | ||
| 39 | |||
| 40 | 5. "Symbolic Name" in 'fcoeadm -i' output would display if bnx2fc has claimed | ||
| 41 | the interface. | ||
| 42 | Eg: | ||
| 43 | [root@bh2 ~]# fcoeadm -i | ||
| 44 | Description: NetXtreme II BCM57712 10 Gigabit Ethernet | ||
| 45 | Revision: 01 | ||
| 46 | Manufacturer: Broadcom Corporation | ||
| 47 | Serial Number: 0010186FD558 | ||
| 48 | Driver: bnx2x 1.70.00-0 | ||
| 49 | Number of Ports: 2 | ||
| 50 | |||
| 51 | Symbolic Name: bnx2fc v1.0.5 over eth5.4 | ||
| 52 | OS Device Name: host11 | ||
| 53 | Node Name: 0x10000010186FD559 | ||
| 54 | Port Name: 0x20000010186FD559 | ||
| 55 | FabricName: 0x2001000DECB3B681 | ||
| 56 | Speed: 10 Gbit | ||
| 57 | Supported Speed: 10 Gbit | ||
| 58 | MaxFrameSize: 2048 | ||
| 59 | FC-ID (Port ID): 0x0F0377 | ||
| 60 | State: Online | ||
| 61 | |||
| 62 | 6. Verify the vlan discovery is performed by running ifconfig and notice | ||
| 63 | <INTERFACE>.<VLAN>-fcoe interfaces are automatically created. | ||
| 64 | |||
| 65 | Refer to fcoeadm manpage for more information on fcoeadm operations to | ||
| 66 | create/destroy interfaces or to display lun/target information. | ||
| 67 | |||
| 68 | NOTE: | ||
| 69 | ==== | ||
| 70 | ** Broadcom FCoE capable devices implement a DCBX/LLDP client on-chip. Only one | ||
| 71 | LLDP client is allowed per interface. For proper operation all host software | ||
| 72 | based DCBX/LLDP clients (e.g. lldpad) must be disabled. To disable lldpad on a | ||
| 73 | given interface, run the following command: | ||
| 74 | |||
| 75 | lldptool set-lldp -i <interface_name> adminStatus=disabled | ||
| @@ -20,8 +20,6 @@ Version: 1.2.14 · 19 unmodified lines | |||
| 20 | Date: 11/01/2001 | 20 | Date: 11/01/2001 |
| 21 | Historical Author: Andrew Manison <amanison@america.net> | 21 | Historical Author: Andrew Manison <amanison@america.net> |
| 22 | Primary Author: Doug McNash | 22 | Primary Author: Doug McNash |
| 23 | Support: support@computone.com | ||
| 24 | Fixes and Updates: Mike Warfield <mhw@wittsend.com> | ||
| 25 | 23 | ||
| 26 | This file assumes that you are using the Computone drivers which are | 24 | This file assumes that you are using the Computone drivers which are |
| 27 | integrated into the kernel sources. For updating the drivers or installing | 25 | integrated into the kernel sources. For updating the drivers or installing |
| @@ -28,6 +28,10 @@ · 27 unmodified lines | |||
| 28 | RS485 communications. This data structure is used to set and configure RS485 | 28 | RS485 communications. This data structure is used to set and configure RS485 |
| 29 | parameters in the platform data and in ioctls. | 29 | parameters in the platform data and in ioctls. |
| 30 | 30 | ||
| 31 | The device tree can also provide RS485 boot time parameters (see [2] | ||
| 32 | for bindings). The driver is in charge of filling this data structure from | ||
| 33 | the values given by the device tree. | ||
| 34 | |||
| 31 | Any driver for devices capable of working both as RS232 and RS485 should | 35 | Any driver for devices capable of working both as RS232 and RS485 should |
| 32 | provide at least the following ioctls: | 36 | provide at least the following ioctls: |
| 33 | 37 | ||
| @@ -104,6 +108,9 @@ · 70 unmodified lines | |||
| 104 | rs485conf.flags |= SER_RS485_RTS_AFTER_SEND; | 108 | rs485conf.flags |= SER_RS485_RTS_AFTER_SEND; |
| 105 | rs485conf.delay_rts_after_send = ...; | 109 | rs485conf.delay_rts_after_send = ...; |
| 106 | 110 | ||
| 111 | /* Set this flag if you want to receive data even whilst sending data */ | ||
| 112 | rs485conf.flags |= SER_RS485_RX_DURING_TX; | ||
| 113 | |||
| 107 | if (ioctl (fd, TIOCSRS485, &rs485conf) < 0) { | 114 | if (ioctl (fd, TIOCSRS485, &rs485conf) < 0) { |
| 108 | /* Error handling. See errno. */ | 115 | /* Error handling. See errno. */ |
| 109 | } | 116 | } |
| @@ -118,3 +125,4 @@ · 8 unmodified lines | |||
| 118 | 5. REFERENCES | 125 | 5. REFERENCES |
| 119 | 126 | ||
| 120 | [1] include/linux/serial.h | 127 | [1] include/linux/serial.h |
| 128 | [2] Documentation/devicetree/bindings/serial/rs485.txt | ||
| @@ -886,6 +886,12 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. · 885 unmodified lines | |||
| 886 | disable) | 886 | disable) |
| 887 | power_save_controller - Reset HD-audio controller in power-saving mode | 887 | power_save_controller - Reset HD-audio controller in power-saving mode |
| 888 | (default = on) | 888 | (default = on) |
| 889 | align_buffer_size - Force rounding of buffer/period sizes to multiples | ||
| 890 | of 128 bytes. This is more efficient in terms of memory | ||
| 891 | access but isn't required by the HDA spec and prevents | ||
| 892 | users from specifying exact period/buffer sizes. | ||
| 893 | (default = on) | ||
| 894 | snoop - Enable/disable snooping (default = on) | ||
| 889 | 895 | ||
| 890 | This module supports multiple cards and autoprobe. | 896 | This module supports multiple cards and autoprobe. |
| 891 | 897 | ||
| @@ -98,3 +98,19 @@ Conexant codecs · 97 unmodified lines | |||
| 98 | 98 | ||
| 99 | * Auto-Mute Mode | 99 | * Auto-Mute Mode |
| 100 | See Reatek codecs. | 100 | See Reatek codecs. |
| 101 | |||
| 102 | |||
| 103 | Analog codecs | ||
| 104 | -------------- | ||
| 105 | |||
| 106 | * Channel Mode | ||
| 107 | This is an enum control to change the surround-channel setup, | ||
| 108 | appears only when the surround channels are available. | ||
| 109 | It gives the number of channels to be used, "2ch", "4ch" and "6ch". | ||
| 110 | According to the configuration, this also controls the | ||
| 111 | jack-retasking of multi-I/O jacks. | ||
| 112 | |||
| 113 | * Independent HP | ||
| 114 | When this enum control is enabled, the headphone output is routed | ||
| 115 | from an individual stream (the third PCM such as hw:0,2) instead of | ||
| 116 | the primary stream. | ||
| @@ -29,9 +29,6 @@ ALC880 · 28 unmodified lines | |||
| 29 | 29 | ||
| 30 | ALC260 | 30 | ALC260 |
| 31 | ====== | 31 | ====== |
| 32 | hp HP machines | ||
| 33 | hp-3013 HP machines (3013-variant) | ||
| 34 | hp-dc7600 HP DC7600 | ||
| 35 | fujitsu Fujitsu S7020 | 32 | fujitsu Fujitsu S7020 |
| 36 | acer Acer TravelMate | 33 | acer Acer TravelMate |
| 37 | will Will laptops (PB V7900) | 34 | will Will laptops (PB V7900) |
| @@ -46,15 +43,10 @@ ALC260 · 8 unmodified lines | |||
| 46 | ALC262 | 43 | ALC262 |
| 47 | ====== | 44 | ====== |
| 48 | fujitsu Fujitsu Laptop | 45 | fujitsu Fujitsu Laptop |
| 49 | hp-bpc HP xw4400/6400/8400/9400 laptops | ||
| 50 | hp-bpc-d7000 HP BPC D7000 | ||
| 51 | hp-tc-t5735 HP Thin Client T5735 | ||
| 52 | hp-rp5700 HP RP5700 | ||
| 53 | benq Benq ED8 | 46 | benq Benq ED8 |
| 54 | benq-t31 Benq T31 | 47 | benq-t31 Benq T31 |
| 55 | hippo Hippo (ATI) with jack detection, Sony UX-90s | 48 | hippo Hippo (ATI) with jack detection, Sony UX-90s |
| 56 | hippo_1 Hippo (Benq) with jack detection | 49 | hippo_1 Hippo (Benq) with jack detection |
| 57 | sony-assamd Sony ASSAMD | ||
| 58 | toshiba-s06 Toshiba S06 | 50 | toshiba-s06 Toshiba S06 |
| 59 | toshiba-rx1 Toshiba RX1 | 51 | toshiba-rx1 Toshiba RX1 |
| 60 | tyan Tyan Thunder n6650W (S2915-E) | 52 | tyan Tyan Thunder n6650W (S2915-E) |
| @@ -66,43 +58,15 @@ ALC262 · 5 unmodified lines | |||
| 66 | 58 | ||
| 67 | ALC267/268 | 59 | ALC267/268 |
| 68 | ========== | 60 | ========== |
| 69 | quanta-il1 Quanta IL1 mini-notebook | 61 | N/A |
| 70 | 3stack 3-stack model | ||
| 71 | toshiba Toshiba A205 | ||
| 72 | acer Acer laptops | ||
| 73 | acer-dmic Acer laptops with digital-mic | ||
| 74 | acer-aspire Acer Aspire One | ||
| 75 | dell Dell OEM laptops (Vostro 1200) | ||
| 76 | zepto Zepto laptops | ||
| 77 | test for testing/debugging purpose, almost all controls can | ||
| 78 | adjusted. Appearing only when compiled with | ||
| 79 | $CONFIG_SND_DEBUG=y | ||
| 80 | auto auto-config reading BIOS (default) | ||
| 81 | 62 | ||
| 82 | ALC269 | 63 | ALC269 |
| 83 | ====== | 64 | ====== |
| 84 | basic Basic preset | ||
| 85 | quanta Quanta FL1 | ||
| 86 | laptop-amic Laptops with analog-mic input | 65 | laptop-amic Laptops with analog-mic input |
| 87 | laptop-dmic Laptops with digital-mic input | 66 | laptop-dmic Laptops with digital-mic input |
| 88 | fujitsu FSC Amilo | ||
| 89 | lifebook Fujitsu Lifebook S6420 | ||
| 90 | auto auto-config reading BIOS (default) | ||
| 91 | 67 | ||
| 92 | ALC662/663/272 | 68 | ALC662/663/272 |
| 93 | ============== | 69 | ============== |
| 94 | 3stack-dig 3-stack (2-channel) with SPDIF | ||
| 95 | 3stack-6ch 3-stack (6-channel) | ||
| 96 | 3stack-6ch-dig 3-stack (6-channel) with SPDIF | ||
| 97 | 5stack-dig 5-stack with SPDIF | ||
| 98 | lenovo-101e Lenovo laptop | ||
| 99 | eeepc-p701 ASUS Eeepc P701 | ||
| 100 | eeepc-ep20 ASUS Eeepc EP20 | ||
| 101 | ecs ECS/Foxconn mobo | ||
| 102 | m51va ASUS M51VA | ||
| 103 | g71v ASUS G71V | ||
| 104 | h13 ASUS H13 | ||
| 105 | g50v ASUS G50V | ||
| 106 | asus-mode1 ASUS | 70 | asus-mode1 ASUS |
| 107 | asus-mode2 ASUS | 71 | asus-mode2 ASUS |
| 108 | asus-mode3 ASUS | 72 | asus-mode3 ASUS |
| @@ -111,15 +75,10 @@ ALC662/663/272 · 2 unmodified lines | |||
| 111 | asus-mode6 ASUS | 75 | asus-mode6 ASUS |
| 112 | asus-mode7 ASUS | 76 | asus-mode7 ASUS |
| 113 | asus-mode8 ASUS | 77 | asus-mode8 ASUS |
| 114 | dell Dell with ALC272 | ||
| 115 | dell-zm1 Dell ZM1 with ALC272 | ||
| 116 | samsung-nc10 Samsung NC10 mini notebook | ||
| 117 | auto auto-config reading BIOS (default) | ||
| 118 | 78 | ||
| 119 | ALC680 | 79 | ALC680 |
| 120 | ====== | 80 | ====== |
| 121 | base Base model (ASUS NX90) | 81 | N/A |
| 122 | auto auto-config reading BIOS (default) | ||
| 123 | 82 | ||
| 124 | ALC882/883/885/888/889 | 83 | ALC882/883/885/888/889 |
| 125 | ====================== | 84 | ====================== |
| @@ -175,28 +134,11 @@ ALC882/883/885/888/889 · 49 unmodified lines | |||
| 175 | 134 | ||
| 176 | ALC861/660 | 135 | ALC861/660 |
| 177 | ========== | 136 | ========== |
| 178 | 3stack 3-jack | 137 | N/A |
| 179 | 3stack-dig 3-jack with SPDIF I/O | ||
| 180 | 6stack-dig 6-jack with SPDIF I/O | ||
| 181 | 3stack-660 3-jack (for ALC660) | ||
| 182 | uniwill-m31 Uniwill M31 laptop | ||
| 183 | toshiba Toshiba laptop support | ||
| 184 | asus Asus laptop support | ||
| 185 | asus-laptop ASUS F2/F3 laptops | ||
| 186 | auto auto-config reading BIOS (default) | ||
| 187 | 138 | ||
| 188 | ALC861VD/660VD | 139 | ALC861VD/660VD |
| 189 | ============== | 140 | ============== |
| 190 | 3stack 3-jack | 141 | N/A |
| 191 | 3stack-dig 3-jack with SPDIF OUT | ||
| 192 | 6stack-dig 6-jack with SPDIF OUT | ||
| 193 | 3stack-660 3-jack (for ALC660VD) | ||
| 194 | 3stack-660-digout 3-jack with SPDIF OUT (for ALC660VD) | ||
| 195 | lenovo Lenovo 3000 C200 | ||
| 196 | dallas Dallas laptops | ||
| 197 | hp HP TX1000 | ||
| 198 | asus-v1s ASUS V1Sn | ||
| 199 | auto auto-config reading BIOS (default) | ||
| 200 | 142 | ||
| 201 | CMI9880 | 143 | CMI9880 |
| 202 | ======= | 144 | ======= |
| @@ -289,7 +231,6 @@ Conexant 5051 · 86 unmodified lines | |||
| 289 | hp-dv6736 HP dv6736 | 231 | hp-dv6736 HP dv6736 |
| 290 | hp-f700 HP Compaq Presario F700 | 232 | hp-f700 HP Compaq Presario F700 |
| 291 | ideapad Lenovo IdeaPad laptop | 233 | ideapad Lenovo IdeaPad laptop |
| 292 | lenovo-x200 Lenovo X200 laptop | ||
| 293 | toshiba Toshiba Satellite M300 | 234 | toshiba Toshiba Satellite M300 |
| 294 | 235 | ||
| 295 | Conexant 5066 | 236 | Conexant 5066 |
| @@ -408,6 +349,7 @@ STAC92HD83* · 112 unmodified lines | |||
| 408 | ref Reference board | 349 | ref Reference board |
| 409 | mic-ref Reference board with power management for ports | 350 | mic-ref Reference board with power management for ports |
| 410 | dell-s14 Dell laptop | 351 | dell-s14 Dell laptop |
| 352 | dell-vostro-3500 Dell Vostro 3500 laptop | ||
| 411 | hp HP laptops with (inverted) mute-LED | 353 | hp HP laptops with (inverted) mute-LED |
| 412 | hp-dv7-4000 HP dv-7 4000 | 354 | hp-dv7-4000 HP dv-7 4000 |
| 413 | auto BIOS setup (default) | 355 | auto BIOS setup (default) |
| @@ -447,7 +447,10 @@ The file needs to have a line `[codec]`. The next line should contain · 446 unmodified lines | |||
| 447 | three numbers indicating the codec vendor-id (0x12345678 in the | 447 | three numbers indicating the codec vendor-id (0x12345678 in the |
| 448 | example), the codec subsystem-id (0xabcd1234) and the address (2) of | 448 | example), the codec subsystem-id (0xabcd1234) and the address (2) of |
| 449 | the codec. The rest patch entries are applied to this specified codec | 449 | the codec. The rest patch entries are applied to this specified codec |
| 450 | until another codec entry is given. | 450 | until another codec entry is given. Passing 0 or a negative number to |
| 451 | the first or the second value will make the check of the corresponding | ||
| 452 | field be skipped. It'll be useful for really broken devices that don't | ||
| 453 | initialize SSID properly. | ||
| 451 | 454 | ||
| 452 | The `[model]` line allows to change the model name of the each codec. | 455 | The `[model]` line allows to change the model name of the each codec. |
| 453 | In the example above, it will be changed to model=auto. | 456 | In the example above, it will be changed to model=auto. |
| @@ -491,7 +494,7 @@ Also, the codec chip name can be rewritten via `[chip_name]` line. · 37 unmodified lines | |||
| 491 | The hd-audio driver reads the file via request_firmware(). Thus, | 494 | The hd-audio driver reads the file via request_firmware(). Thus, |
| 492 | a patch file has to be located on the appropriate firmware path, | 495 | a patch file has to be located on the appropriate firmware path, |
| 493 | typically, /lib/firmware. For example, when you pass the option | 496 | typically, /lib/firmware. For example, when you pass the option |
| 494 | `patch=hda-init.fw`, the file /lib/firmware/hda-init-fw must be | 497 | `patch=hda-init.fw`, the file /lib/firmware/hda-init.fw must be |
| 495 | present. | 498 | present. |
| 496 | 499 | ||
| 497 | The patch module option is specific to each card instance, and you | 500 | The patch module option is specific to each card instance, and you |
| @@ -524,6 +527,54 @@ power-saving. See /sys/module/snd_hda_intel/parameters/power_save to · 26 unmodified lines | |||
| 524 | check the current value. If it's non-zero, the feature is turned on. | 527 | check the current value. If it's non-zero, the feature is turned on. |
| 525 | 528 | ||
| 526 | 529 | ||
| 530 | Tracepoints | ||
| 531 | ~~~~~~~~~~~ | ||
| 532 | The hd-audio driver gives a few basic tracepoints. | ||
| 533 | `hda:hda_send_cmd` traces each CORB write while `hda:hda_get_response` | ||
| 534 | traces the response from RIRB (only when read from the codec driver). | ||
| 535 | `hda:hda_bus_reset` traces the bus-reset due to fatal error, etc, | ||
| 536 | `hda:hda_unsol_event` traces the unsolicited events, and | ||
| 537 | `hda:hda_power_down` and `hda:hda_power_up` trace the power down/up | ||
| 538 | via power-saving behavior. | ||
| 539 | |||
| 540 | Enabling all tracepoints can be done like | ||
| 541 | ------------------------------------------------------------------------ | ||
| 542 | # echo 1 > /sys/kernel/debug/tracing/events/hda/enable | ||
| 543 | ------------------------------------------------------------------------ | ||
| 544 | then after some commands, you can traces from | ||
| 545 | /sys/kernel/debug/tracing/trace file. For example, when you want to | ||
| 546 | trace what codec command is sent, enable the tracepoint like: | ||
| 547 | ------------------------------------------------------------------------ | ||
| 548 | # cat /sys/kernel/debug/tracing/trace | ||
| 549 | # tracer: nop | ||
| 550 | # | ||
| 551 | # TASK-PID CPU# TIMESTAMP FUNCTION | ||
| 552 | # | | | | | | ||
| 553 | <...>-7807 [002] 105147.774889: hda_send_cmd: [0:0] val=e3a019 | ||
| 554 | <...>-7807 [002] 105147.774893: hda_send_cmd: [0:0] val=e39019 | ||
| 555 | <...>-7807 [002] 105147.999542: hda_send_cmd: [0:0] val=e3a01a | ||
| 556 | <...>-7807 [002] 105147.999543: hda_send_cmd: [0:0] val=e3901a | ||
| 557 | <...>-26764 [001] 349222.837143: hda_send_cmd: [0:0] val=e3a019 | ||
| 558 | <...>-26764 [001] 349222.837148: hda_send_cmd: [0:0] val=e39019 | ||
| 559 | <...>-26764 [001] 349223.058539: hda_send_cmd: [0:0] val=e3a01a | ||
| 560 | <...>-26764 [001] 349223.058541: hda_send_cmd: [0:0] val=e3901a | ||
| 561 | ------------------------------------------------------------------------ | ||
| 562 | Here `[0:0]` indicates the card number and the codec address, and | ||
| 563 | `val` shows the value sent to the codec, respectively. The value is | ||
| 564 | a packed value, and you can decode it via hda-decode-verb program | ||
| 565 | included in hda-emu package below. For example, the value e3a019 is | ||
| 566 | to set the left output-amp value to 25. | ||
| 567 | ------------------------------------------------------------------------ | ||
| 568 | % hda-decode-verb 0xe3a019 | ||
| 569 | raw value = 0x00e3a019 | ||
| 570 | cid = 0, nid = 0x0e, verb = 0x3a0, parm = 0x19 | ||
| 571 | raw value: verb = 0x3a0, parm = 0x19 | ||
| 572 | verbname = set_amp_gain_mute | ||
| 573 | amp raw val = 0xa019 | ||
| 574 | output, left, idx=0, mute=0, val=25 | ||
| 575 | ------------------------------------------------------------------------ | ||
| 576 | |||
| 577 | |||
| 527 | Development Tree | 578 | Development Tree |
| 528 | ~~~~~~~~~~~~~~~~ | 579 | ~~~~~~~~~~~~~~~~ |
| 529 | The latest development codes for HD-audio are found on sound git tree: | 580 | The latest development codes for HD-audio are found on sound git tree: |
| @@ -24,10 +24,10 @@ Rules on what kind of patches are accepted, and which ones are not, into the · 23 unmodified lines | |||
| 24 | Procedure for submitting patches to the -stable tree: | 24 | Procedure for submitting patches to the -stable tree: |
| 25 | 25 | ||
| 26 | - Send the patch, after verifying that it follows the above rules, to | 26 | - Send the patch, after verifying that it follows the above rules, to |
| 27 | stable@kernel.org. You must note the upstream commit ID in the changelog | 27 | stable@vger.kernel.org. You must note the upstream commit ID in the |
| 28 | of your submission. | 28 | changelog of your submission. |
| 29 | - To have the patch automatically included in the stable tree, add the tag | 29 | - To have the patch automatically included in the stable tree, add the tag |
| 30 | Cc: stable@kernel.org | 30 | Cc: stable@vger.kernel.org |
| 31 | in the sign-off area. Once the patch is merged it will be applied to | 31 | in the sign-off area. Once the patch is merged it will be applied to |
| 32 | the stable tree without anything else needing to be done by the author | 32 | the stable tree without anything else needing to be done by the author |
| 33 | or subsystem maintainer. | 33 | or subsystem maintainer. |
| @@ -35,10 +35,10 @@ Procedure for submitting patches to the -stable tree: · 1 unmodified line | |||
| 35 | cherry-picked than this can be specified in the following format in | 35 | cherry-picked than this can be specified in the following format in |
| 36 | the sign-off area: | 36 | the sign-off area: |
| 37 | 37 | ||
| 38 | Cc: <stable@kernel.org> # .32.x: a1f84a3: sched: Check for idle | 38 | Cc: <stable@vger.kernel.org> # .32.x: a1f84a3: sched: Check for idle |
| 39 | Cc: <stable@kernel.org> # .32.x: 1b9508f: sched: Rate-limit newidle | 39 | Cc: <stable@vger.kernel.org> # .32.x: 1b9508f: sched: Rate-limit newidle |
| 40 | Cc: <stable@kernel.org> # .32.x: fd21073: sched: Fix affinity logic | 40 | Cc: <stable@vger.kernel.org> # .32.x: fd21073: sched: Fix affinity logic |
| 41 | Cc: <stable@kernel.org> # .32.x | 41 | Cc: <stable@vger.kernel.org> # .32.x |
| 42 | Signed-off-by: Ingo Molnar <mingo@elte.hu> | 42 | Signed-off-by: Ingo Molnar <mingo@elte.hu> |
| 43 | 43 | ||
| 44 | The tag sequence has the meaning of: | 44 | The tag sequence has the meaning of: |
| @@ -24,6 +24,7 @@ show up in /proc/sys/kernel: · 23 unmodified lines | |||
| 24 | - bootloader_type [ X86 only ] | 24 | - bootloader_type [ X86 only ] |
| 25 | - bootloader_version [ X86 only ] | 25 | - bootloader_version [ X86 only ] |
| 26 | - callhome [ S390 only ] | 26 | - callhome [ S390 only ] |
| 27 | - cap_last_cap | ||
| 27 | - core_pattern | 28 | - core_pattern |
| 28 | - core_pipe_limit | 29 | - core_pipe_limit |
| 29 | - core_uses_pid | 30 | - core_uses_pid |
| @@ -155,6 +156,13 @@ on has a service contract with IBM. · 125 unmodified lines | |||
| 155 | 156 | ||
| 156 | ============================================================== | 157 | ============================================================== |
| 157 | 158 | ||
| 159 | cap_last_cap | ||
| 160 | |||
| 161 | Highest valid capability of the running kernel. Exports | ||
| 162 | CAP_LAST_CAP from the kernel. | ||
| 163 | |||
| 164 | ============================================================== | ||
| 165 | |||
| 158 | core_pattern: | 166 | core_pattern: |
| 159 | 167 | ||
| 160 | core_pattern is used to specify a core dumpfile pattern name. | 168 | core_pattern is used to specify a core dumpfile pattern name. |
| @@ -379,10 +379,10 @@ EVENT_PROCESS: · 378 unmodified lines | |||
| 379 | 379 | ||
| 380 | # To closer match vmstat scanning statistics, only count isolate_both | 380 | # To closer match vmstat scanning statistics, only count isolate_both |
| 381 | # and isolate_inactive as scanning. isolate_active is rotation | 381 | # and isolate_inactive as scanning. isolate_active is rotation |
| 382 | # isolate_inactive == 0 | 382 | # isolate_inactive == 1 |
| 383 | # isolate_active == 1 | 383 | # isolate_active == 2 |
| 384 | # isolate_both == 2 | 384 | # isolate_both == 3 |
| 385 | if ($isolate_mode != 1) { | 385 | if ($isolate_mode != 2) { |
| 386 | $perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned; | 386 | $perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned; |
| 387 | } | 387 | } |
| 388 | $perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty; | 388 | $perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty; |
| @@ -0,0 +1,45 @@ | |||
| 1 | |||
| 2 | TODO | ||
| 3 | ~~~~~~ | ||
| 4 | Please pick something while reading :) | ||
| 5 | |||
| 6 | - Convert interrupt handler to per-ep-thread-irq | ||
| 7 | |||
| 8 | As it turns out some DWC3-commands ~1ms to complete. Currently we spin | ||
| 9 | until the command completes which is bad. | ||
| 10 | |||
| 11 | Implementation idea: | ||
| 12 | - dwc core implements a demultiplexing irq chip for interrupts per | ||
| 13 | endpoint. The interrupt numbers are allocated during probe and belong | ||
| 14 | to the device. If MSI provides per-endpoint interrupt this dummy | ||
| 15 | interrupt chip can be replaced with "real" interrupts. | ||
| 16 | - interrupts are requested / allocated on usb_ep_enable() and removed on | ||
| 17 | usb_ep_disable(). Worst case are 32 interrupts, the lower limit is two | ||
| 18 | for ep0/1. | ||
| 19 | - dwc3_send_gadget_ep_cmd() will sleep in wait_for_completion_timeout() | ||
| 20 | until the command completes. | ||
| 21 | - the interrupt handler is split into the following pieces: | ||
| 22 | - primary handler of the device | ||
| 23 | goes through every event and calls generic_handle_irq() for event | ||
| 24 | it. On return from generic_handle_irq() in acknowledges the event | ||
| 25 | counter so interrupt goes away (eventually). | ||
| 26 | |||
| 27 | - threaded handler of the device | ||
| 28 | none | ||
| 29 | |||
| 30 | - primary handler of the EP-interrupt | ||
| 31 | reads the event and tries to process it. Everything that requries | ||
| 32 | sleeping is handed over to the Thread. The event is saved in an | ||
| 33 | per-endpoint data-structure. | ||
| 34 | We probably have to pay attention not to process events once we | ||
| 35 | handed something to thread so we don't process event X prio Y | ||
| 36 | where X > Y. | ||
| 37 | |||
| 38 | - threaded handler of the EP-interrupt | ||
| 39 | handles the remaining EP work which might sleep such as waiting | ||
| 40 | for command completion. | ||
| 41 | |||
| 42 | Latency: | ||
| 43 | There should be no increase in latency since the interrupt-thread has a | ||
| 44 | high priority and will be run before an average task in user land | ||
| 45 | (except the user changed priorities). | ||
| @@ -439,10 +439,10 @@ cause autosuspends to fail with -EBUSY if the driver needs to use the · 438 unmodified lines | |||
| 439 | device. | 439 | device. |
| 440 | 440 | ||
| 441 | External suspend calls should never be allowed to fail in this way, | 441 | External suspend calls should never be allowed to fail in this way, |
| 442 | only autosuspend calls. The driver can tell them apart by checking | 442 | only autosuspend calls. The driver can tell them apart by applying |
| 443 | the PM_EVENT_AUTO bit in the message.event argument to the suspend | 443 | the PMSG_IS_AUTO() macro to the message argument to the suspend |
| 444 | method; this bit will be set for internal PM events (autosuspend) and | 444 | method; it will return True for internal PM events (autosuspend) and |
| 445 | clear for external PM events. | 445 | False for external PM events. |
| 446 | 446 | ||
| 447 | 447 | ||
| 448 | Mutual exclusion | 448 | Mutual exclusion |
| @@ -487,3 +487,29 @@ succeed, it may still remain active and thus cause the system to · 38 unmodified lines | |||
| 487 | resume as soon as the system suspend is complete. Or the remote | 487 | resume as soon as the system suspend is complete. Or the remote |
| 488 | wakeup may fail and get lost. Which outcome occurs depends on timing | 488 | wakeup may fail and get lost. Which outcome occurs depends on timing |
| 489 | and on the hardware and firmware design. | 489 | and on the hardware and firmware design. |
| 490 | |||
| 491 | |||
| 492 | xHCI hardware link PM | ||
| 493 | --------------------- | ||
| 494 | |||
| 495 | xHCI host controller provides hardware link power management to usb2.0 | ||
| 496 | (xHCI 1.0 feature) and usb3.0 devices which support link PM. By | ||
| 497 | enabling hardware LPM, the host can automatically put the device into | ||
| 498 | lower power state(L1 for usb2.0 devices, or U1/U2 for usb3.0 devices), | ||
| 499 | which state device can enter and resume very quickly. | ||
| 500 | |||
| 501 | The user interface for controlling USB2 hardware LPM is located in the | ||
| 502 | power/ subdirectory of each USB device's sysfs directory, that is, in | ||
| 503 | /sys/bus/usb/devices/.../power/ where "..." is the device's ID. The | ||
| 504 | relevant attribute files is usb2_hardware_lpm. | ||
| 505 | |||
| 506 | power/usb2_hardware_lpm | ||
| 507 | |||
| 508 | When a USB2 device which support LPM is plugged to a | ||
| 509 | xHCI host root hub which support software LPM, the | ||
| 510 | host will run a software LPM test for it; if the device | ||
| 511 | enters L1 state and resume successfully and the host | ||
| 512 | supports USB2 hardware LPM, this file will show up and | ||
| 513 | driver will enable hardware LPM for the device. You | ||
| 514 | can write y/Y/1 or n/N/0 to the file to enable/disable | ||
| 515 | USB2 hardware LPM manually. This is for test purpose mainly. | ||
File renamed without changes.
| @@ -8,6 +8,7 @@ xxxx vend:prod · 7 unmodified lines | |||
| 8 | ---- | 8 | ---- |
| 9 | spca501 0000:0000 MystFromOri Unknown Camera | 9 | spca501 0000:0000 MystFromOri Unknown Camera |
| 10 | spca508 0130:0130 Clone Digital Webcam 11043 | 10 | spca508 0130:0130 Clone Digital Webcam 11043 |
| 11 | zc3xx 03f0:1b07 HP Premium Starter Cam | ||
| 11 | m5602 0402:5602 ALi Video Camera Controller | 12 | m5602 0402:5602 ALi Video Camera Controller |
| 12 | spca501 040a:0002 Kodak DVC-325 | 13 | spca501 040a:0002 Kodak DVC-325 |
| 13 | spca500 040a:0300 Kodak EZ200 | 14 | spca500 040a:0300 Kodak EZ200 |
| @@ -190,6 +191,7 @@ ov519 05a9:0519 OV519 Microphone · 176 unmodified lines | |||
| 190 | ov519 05a9:0530 OmniVision | 191 | ov519 05a9:0530 OmniVision |
| 191 | ov519 05a9:2800 OmniVision SuperCAM | 192 | ov519 05a9:2800 OmniVision SuperCAM |
| 192 | ov519 05a9:4519 Webcam Classic | 193 | ov519 05a9:4519 Webcam Classic |
| 194 | ov534_9 05a9:8065 OmniVision test kit ov538+ov9712 | ||
| 193 | ov519 05a9:8519 OmniVision | 195 | ov519 05a9:8519 OmniVision |
| 194 | ov519 05a9:a511 D-Link USB Digital Video Camera | 196 | ov519 05a9:a511 D-Link USB Digital Video Camera |
| 195 | ov519 05a9:a518 D-Link DSB-C310 Webcam | 197 | ov519 05a9:a518 D-Link DSB-C310 Webcam |
| @@ -199,6 +201,8 @@ gl860 05e3:0503 Genesys Logic PC Camera · 3 unmodified lines | |||
| 199 | gl860 05e3:f191 Genesys Logic PC Camera | 201 | gl860 05e3:f191 Genesys Logic PC Camera |
| 200 | spca561 060b:a001 Maxell Compact Pc PM3 | 202 | spca561 060b:a001 Maxell Compact Pc PM3 |
| 201 | zc3xx 0698:2003 CTX M730V built in | 203 | zc3xx 0698:2003 CTX M730V built in |
| 204 | topro 06a2:0003 TP6800 PC Camera, CmoX CX0342 webcam | ||
| 205 | topro 06a2:6810 Creative Qmax | ||
| 202 | nw80x 06a5:0000 Typhoon Webcam 100 USB | 206 | nw80x 06a5:0000 Typhoon Webcam 100 USB |
| 203 | nw80x 06a5:d001 Divio based webcams | 207 | nw80x 06a5:d001 Divio based webcams |
| 204 | nw80x 06a5:d800 Divio Chicony TwinkleCam, Trust SpaceCam | 208 | nw80x 06a5:d800 Divio Chicony TwinkleCam, Trust SpaceCam |
| @@ -70,10 +70,11 @@ Events · 69 unmodified lines | |||
| 70 | The OMAP 3 ISP driver does support the V4L2 event interface on CCDC and | 70 | The OMAP 3 ISP driver does support the V4L2 event interface on CCDC and |
| 71 | statistics (AEWB, AF and histogram) subdevs. | 71 | statistics (AEWB, AF and histogram) subdevs. |
| 72 | 72 | ||
| 73 | The CCDC subdev produces V4L2_EVENT_OMAP3ISP_HS_VS type event on HS_VS | 73 | The CCDC subdev produces V4L2_EVENT_FRAME_SYNC type event on HS_VS |
| 74 | interrupt which is used to signal frame start. The event is triggered exactly | 74 | interrupt which is used to signal frame start. Earlier version of this |
| 75 | when the reception of the first line of the frame starts in the CCDC module. | 75 | driver used V4L2_EVENT_OMAP3ISP_HS_VS for this purpose. The event is |
| 76 | The event can be subscribed on the CCDC subdev. | 76 | triggered exactly when the reception of the first line of the frame starts |
| 77 | in the CCDC module. The event can be subscribed on the CCDC subdev. | ||
| 77 | 78 | ||
| 78 | (When using parallel interface one must pay account to correct configuration | 79 | (When using parallel interface one must pay account to correct configuration |
| 79 | of the VS signal polarity. This is automatically correct when using the serial | 80 | of the VS signal polarity. This is automatically correct when using the serial |
| @@ -285,11 +285,11 @@ implement g_volatile_ctrl like this: · 284 unmodified lines | |||
| 285 | Note that you use the 'new value' union as well in g_volatile_ctrl. In general | 285 | Note that you use the 'new value' union as well in g_volatile_ctrl. In general |
| 286 | controls that need to implement g_volatile_ctrl are read-only controls. | 286 | controls that need to implement g_volatile_ctrl are read-only controls. |
| 287 | 287 | ||
| 288 | To mark a control as volatile you have to set the is_volatile flag: | 288 | To mark a control as volatile you have to set V4L2_CTRL_FLAG_VOLATILE: |
| 289 | 289 | ||
| 290 | ctrl = v4l2_ctrl_new_std(&sd->ctrl_handler, ...); | 290 | ctrl = v4l2_ctrl_new_std(&sd->ctrl_handler, ...); |
| 291 | if (ctrl) | 291 | if (ctrl) |
| 292 | ctrl->is_volatile = 1; | 292 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; |
| 293 | 293 | ||
| 294 | For try/s_ctrl the new values (i.e. as passed by the user) are filled in and | 294 | For try/s_ctrl the new values (i.e. as passed by the user) are filled in and |
| 295 | you can modify them in try_ctrl or set them in s_ctrl. The 'cur' union | 295 | you can modify them in try_ctrl or set them in s_ctrl. The 'cur' union |
| @@ -367,8 +367,7 @@ Driver specific controls can be created using v4l2_ctrl_new_custom(): · 71 unmodified lines | |||
| 367 | The last argument is the priv pointer which can be set to driver-specific | 367 | The last argument is the priv pointer which can be set to driver-specific |
| 368 | private data. | 368 | private data. |
| 369 | 369 | ||
| 370 | The v4l2_ctrl_config struct also has fields to set the is_private and is_volatile | 370 | The v4l2_ctrl_config struct also has a field to set the is_private flag. |
| 371 | flags. | ||
| 372 | 371 | ||
| 373 | If the name field is not set, then the framework will assume this is a standard | 372 | If the name field is not set, then the framework will assume this is a standard |
| 374 | control and will fill in the name, type and flags fields accordingly. | 373 | control and will fill in the name, type and flags fields accordingly. |
| @@ -496,18 +495,20 @@ Handling autogain/gain-type Controls with Auto Clusters · 121 unmodified lines | |||
| 496 | 495 | ||
| 497 | A common type of control cluster is one that handles 'auto-foo/foo'-type | 496 | A common type of control cluster is one that handles 'auto-foo/foo'-type |
| 498 | controls. Typical examples are autogain/gain, autoexposure/exposure, | 497 | controls. Typical examples are autogain/gain, autoexposure/exposure, |
| 499 | autowhitebalance/red balance/blue balance. In all cases you have one controls | 498 | autowhitebalance/red balance/blue balance. In all cases you have one control |
| 500 | that determines whether another control is handled automatically by the hardware, | 499 | that determines whether another control is handled automatically by the hardware, |
| 501 | or whether it is under manual control from the user. | 500 | or whether it is under manual control from the user. |
| 502 | 501 | ||
| 503 | If the cluster is in automatic mode, then the manual controls should be | 502 | If the cluster is in automatic mode, then the manual controls should be |
| 504 | marked inactive. When the volatile controls are read the g_volatile_ctrl | 503 | marked inactive and volatile. When the volatile controls are read the |
| 505 | operation should return the value that the hardware's automatic mode set up | 504 | g_volatile_ctrl operation should return the value that the hardware's automatic |
| 506 | automatically. | 505 | mode set up automatically. |
| 507 | 506 | ||
| 508 | If the cluster is put in manual mode, then the manual controls should become | 507 | If the cluster is put in manual mode, then the manual controls should become |
| 509 | active again and the is_volatile flag should be ignored (so g_volatile_ctrl is | 508 | active again and the volatile flag is cleared (so g_volatile_ctrl is no longer |
| 510 | no longer called while in manual mode). | 509 | called while in manual mode). In addition just before switching to manual mode |
| 510 | the current values as determined by the auto mode are copied as the new manual | ||
| 511 | values. | ||
| 511 | 512 | ||
| 512 | Finally the V4L2_CTRL_FLAG_UPDATE should be set for the auto control since | 513 | Finally the V4L2_CTRL_FLAG_UPDATE should be set for the auto control since |
| 513 | changing that control affects the control flags of the manual controls. | 514 | changing that control affects the control flags of the manual controls. |
| @@ -520,7 +521,11 @@ void v4l2_ctrl_auto_cluster(unsigned ncontrols, struct v4l2_ctrl **controls, · 6 unmodified lines | |||
| 520 | 521 | ||
| 521 | The first two arguments are identical to v4l2_ctrl_cluster. The third argument | 522 | The first two arguments are identical to v4l2_ctrl_cluster. The third argument |
| 522 | tells the framework which value switches the cluster into manual mode. The | 523 | tells the framework which value switches the cluster into manual mode. The |
| 523 | last argument will optionally set the is_volatile flag for the non-auto controls. | 524 | last argument will optionally set V4L2_CTRL_FLAG_VOLATILE for the non-auto controls. |
| 525 | If it is false, then the manual controls are never volatile. You would typically | ||
| 526 | use that if the hardware does not give you the option to read back to values as | ||
| 527 | determined by the auto mode (e.g. if autogain is on, the hardware doesn't allow | ||
| 528 | you to obtain the current gain value). | ||
| 524 | 529 | ||
| 525 | The first control of the cluster is assumed to be the 'auto' control. | 530 | The first control of the cluster is assumed to be the 'auto' control. |
| 526 | 531 | ||
| @@ -681,16 +686,6 @@ if there are no controls at all. · 154 unmodified lines | |||
| 681 | count if nothing was done yet. If it is less than count then only the controls | 686 | count if nothing was done yet. If it is less than count then only the controls |
| 682 | up to error_idx-1 were successfully applied. | 687 | up to error_idx-1 were successfully applied. |
| 683 | 688 | ||
| 684 | 3) When attempting to read a button control the framework will return -EACCES | ||
| 685 | instead of -EINVAL as stated in the spec. It seems to make more sense since | ||
| 686 | button controls are write-only controls. | ||
| 687 | |||
| 688 | 4) Attempting to write to a read-only control will return -EACCES instead of | ||
| 689 | -EINVAL as the spec says. | ||
| 690 | |||
| 691 | 5) The spec does not mention what should happen when you try to set/get a | ||
| 692 | control class controls. The framework will return -EACCES. | ||
| 693 | |||
| 694 | 689 | ||
| 695 | Proposals for Extensions | 690 | Proposals for Extensions |
| 696 | ======================== | 691 | ======================== |
| @@ -703,9 +698,3 @@ decimal. Useful for e.g. video_mute_yuv. · 6 unmodified lines | |||
| 703 | 2) It is possible to mark in the controls array which controls have been | 698 | 2) It is possible to mark in the controls array which controls have been |
| 704 | successfully written and which failed by for example adding a bit to the | 699 | successfully written and which failed by for example adding a bit to the |
| 705 | control ID. Not sure if it is worth the effort, though. | 700 | control ID. Not sure if it is worth the effort, though. |
| 706 | |||
| 707 | 3) Trying to set volatile inactive controls should result in -EACCESS. | ||
| 708 | |||
| 709 | 4) Add a new flag to mark volatile controls. Any application that wants | ||
| 710 | to store the state of the controls can then skip volatile inactive controls. | ||
| 711 | Currently it is not possible to detect such controls. | ||
| @@ -175,10 +175,30 @@ Parameters: vcpu id (apic id on x86) · 174 unmodified lines | |||
| 175 | Returns: vcpu fd on success, -1 on error | 175 | Returns: vcpu fd on success, -1 on error |
| 176 | 176 | ||
| 177 | This API adds a vcpu to a virtual machine. The vcpu id is a small integer | 177 | This API adds a vcpu to a virtual machine. The vcpu id is a small integer |
| 178 | in the range [0, max_vcpus). You can use KVM_CAP_NR_VCPUS of the | 178 | in the range [0, max_vcpus). |
| 179 | KVM_CHECK_EXTENSION ioctl() to determine the value for max_vcpus at run-time. | 179 | |
| 180 | The recommended max_vcpus value can be retrieved using the KVM_CAP_NR_VCPUS of | ||
| 181 | the KVM_CHECK_EXTENSION ioctl() at run-time. | ||
| 182 | The maximum possible value for max_vcpus can be retrieved using the | ||
| 183 | KVM_CAP_MAX_VCPUS of the KVM_CHECK_EXTENSION ioctl() at run-time. | ||
| 184 | |||
| 180 | If the KVM_CAP_NR_VCPUS does not exist, you should assume that max_vcpus is 4 | 185 | If the KVM_CAP_NR_VCPUS does not exist, you should assume that max_vcpus is 4 |
| 181 | cpus max. | 186 | cpus max. |
| 187 | If the KVM_CAP_MAX_VCPUS does not exist, you should assume that max_vcpus is | ||
| 188 | same as the value returned from KVM_CAP_NR_VCPUS. | ||
| 189 | |||
| 190 | On powerpc using book3s_hv mode, the vcpus are mapped onto virtual | ||
| 191 | threads in one or more virtual CPU cores. (This is because the | ||
| 192 | hardware requires all the hardware threads in a CPU core to be in the | ||
| 193 | same partition.) The KVM_CAP_PPC_SMT capability indicates the number | ||
| 194 | of vcpus per virtual core (vcore). The vcore id is obtained by | ||
| 195 | dividing the vcpu id by the number of vcpus per vcore. The vcpus in a | ||
| 196 | given vcore will always be in the same physical core as each other | ||
| 197 | (though that might be a different physical core from time to time). | ||
| 198 | Userspace can control the threading (SMT) mode of the guest by its | ||
| 199 | allocation of vcpu ids. For example, if userspace wants | ||
| 200 | single-threaded guest vcpus, it should make all vcpu ids be a multiple | ||
| 201 | of the number of vcpus per vcore. | ||
| 182 | 202 | ||
| 183 | On powerpc using book3s_hv mode, the vcpus are mapped onto virtual | 203 | On powerpc using book3s_hv mode, the vcpus are mapped onto virtual |
| 184 | threads in one or more virtual CPU cores. (This is because the | 204 | threads in one or more virtual CPU cores. (This is because the |
| @@ -1633,3 +1653,50 @@ developer registration required to access it). · 1448 unmodified lines | |||
| 1633 | char padding[256]; | 1653 | char padding[256]; |
| 1634 | }; | 1654 | }; |
| 1635 | }; | 1655 | }; |
| 1656 | |||
| 1657 | 6. Capabilities that can be enabled | ||
| 1658 | |||
| 1659 | There are certain capabilities that change the behavior of the virtual CPU when | ||
| 1660 | enabled. To enable them, please see section 4.37. Below you can find a list of | ||
| 1661 | capabilities and what their effect on the vCPU is when enabling them. | ||
| 1662 | |||
| 1663 | The following information is provided along with the description: | ||
| 1664 | |||
| 1665 | Architectures: which instruction set architectures provide this ioctl. | ||
| 1666 | x86 includes both i386 and x86_64. | ||
| 1667 | |||
| 1668 | Parameters: what parameters are accepted by the capability. | ||
| 1669 | |||
| 1670 | Returns: the return value. General error numbers (EBADF, ENOMEM, EINVAL) | ||
| 1671 | are not detailed, but errors with specific meanings are. | ||
| 1672 | |||
| 1673 | 6.1 KVM_CAP_PPC_OSI | ||
| 1674 | |||
| 1675 | Architectures: ppc | ||
| 1676 | Parameters: none | ||
| 1677 | Returns: 0 on success; -1 on error | ||
| 1678 | |||
| 1679 | This capability enables interception of OSI hypercalls that otherwise would | ||
| 1680 | be treated as normal system calls to be injected into the guest. OSI hypercalls | ||
| 1681 | were invented by Mac-on-Linux to have a standardized communication mechanism | ||
| 1682 | between the guest and the host. | ||
| 1683 | |||
| 1684 | When this capability is enabled, KVM_EXIT_OSI can occur. | ||
| 1685 | |||
| 1686 | 6.2 KVM_CAP_PPC_PAPR | ||
| 1687 | |||
| 1688 | Architectures: ppc | ||
| 1689 | Parameters: none | ||
| 1690 | Returns: 0 on success; -1 on error | ||
| 1691 | |||
| 1692 | This capability enables interception of PAPR hypercalls. PAPR hypercalls are | ||
| 1693 | done using the hypercall instruction "sc 1". | ||
| 1694 | |||
| 1695 | It also sets the guest privilege level to "supervisor" mode. Usually the guest | ||
| 1696 | runs in "hypervisor" privilege mode with a few missing features. | ||
| 1697 | |||
| 1698 | In addition to the above, it changes the semantics of SDR1. In this mode, the | ||
| 1699 | HTAB address part of SDR1 contains an HVA instead of a GPA, as PAPR keeps the | ||
| 1700 | HTAB invisible to the guest. | ||
| 1701 | |||
| 1702 | When this capability is enabled, KVM_EXIT_PAPR_HCALL can occur. | ||
| @@ -134,13 +134,13 @@ · 133 unmodified lines | |||
| 134 | 134 | ||
| 135 | ______________________________________________________________________ | 135 | ______________________________________________________________________ |
| 136 | 136 | ||
| 137 | 11.. IInnttrroodduuccttiioonn | 137 | 1. Introduction |
| 138 | 138 | ||
| 139 | Welcome to User Mode Linux. It's going to be fun. | 139 | Welcome to User Mode Linux. It's going to be fun. |
| 140 | 140 | ||
| 141 | 141 | ||
| 142 | 142 | ||
| 143 | 11..11.. HHooww iiss UUsseerr MMooddee LLiinnuuxx DDiiffffeerreenntt?? | 143 | 1.1. How is User Mode Linux Different? |
| 144 | 144 | ||
| 145 | Normally, the Linux Kernel talks straight to your hardware (video | 145 | Normally, the Linux Kernel talks straight to your hardware (video |
| 146 | card, keyboard, hard drives, etc), and any programs which run ask the | 146 | card, keyboard, hard drives, etc), and any programs which run ask the |
| @@ -181,7 +181,7 @@ · 34 unmodified lines | |||
| 181 | 181 | ||
| 182 | 182 | ||
| 183 | 183 | ||
| 184 | 11..22.. WWhhyy WWoouulldd II WWaanntt UUsseerr MMooddee LLiinnuuxx?? | 184 | 1.2. Why Would I Want User Mode Linux? |
| 185 | 185 | ||
| 186 | 186 | ||
| 187 | 1. If User Mode Linux crashes, your host kernel is still fine. | 187 | 1. If User Mode Linux crashes, your host kernel is still fine. |
| @@ -206,12 +206,12 @@ · 18 unmodified lines | |||
| 206 | 206 | ||
| 207 | 207 | ||
| 208 | 208 | ||
| 209 | 22.. CCoommppiilliinngg tthhee kkeerrnneell aanndd mmoodduulleess | 209 | 2. Compiling the kernel and modules |
| 210 | 210 | ||
| 211 | 211 | ||
| 212 | 212 | ||
| 213 | 213 | ||
| 214 | 22..11.. CCoommppiilliinngg tthhee kkeerrnneell | 214 | 2.1. Compiling the kernel |
| 215 | 215 | ||
| 216 | 216 | ||
| 217 | Compiling the user mode kernel is just like compiling any other | 217 | Compiling the user mode kernel is just like compiling any other |
| @@ -322,7 +322,7 @@ · 104 unmodified lines | |||
| 322 | bug fixes and enhancements that have gone into subsequent releases. | 322 | bug fixes and enhancements that have gone into subsequent releases. |
| 323 | 323 | ||
| 324 | 324 | ||
| 325 | 22..22.. CCoommppiilliinngg aanndd iinnssttaalllliinngg kkeerrnneell mmoodduulleess | 325 | 2.2. Compiling and installing kernel modules |
| 326 | 326 | ||
| 327 | UML modules are built in the same way as the native kernel (with the | 327 | UML modules are built in the same way as the native kernel (with the |
| 328 | exception of the 'ARCH=um' that you always need for UML): | 328 | exception of the 'ARCH=um' that you always need for UML): |
| @@ -386,19 +386,19 @@ · 57 unmodified lines | |||
| 386 | 386 | ||
| 387 | 387 | ||
| 388 | 388 | ||
| 389 | 22..33.. CCoommppiilliinngg aanndd iinnssttaalllliinngg uummll__uuttiilliittiieess | 389 | 2.3. Compiling and installing uml_utilities |
| 390 | 390 | ||
| 391 | Many features of the UML kernel require a user-space helper program, | 391 | Many features of the UML kernel require a user-space helper program, |
| 392 | so a uml_utilities package is distributed separately from the kernel | 392 | so a uml_utilities package is distributed separately from the kernel |
| 393 | patch which provides these helpers. Included within this is: | 393 | patch which provides these helpers. Included within this is: |
| 394 | 394 | ||
| 395 | +o port-helper - Used by consoles which connect to xterms or ports | 395 | o port-helper - Used by consoles which connect to xterms or ports |
| 396 | 396 | ||
| 397 | +o tunctl - Configuration tool to create and delete tap devices | 397 | o tunctl - Configuration tool to create and delete tap devices |
| 398 | 398 | ||
| 399 | +o uml_net - Setuid binary for automatic tap device configuration | 399 | o uml_net - Setuid binary for automatic tap device configuration |
| 400 | 400 | ||
| 401 | +o uml_switch - User-space virtual switch required for daemon | 401 | o uml_switch - User-space virtual switch required for daemon |
| 402 | transport | 402 | transport |
| 403 | 403 | ||
| 404 | The uml_utilities tree is compiled with: | 404 | The uml_utilities tree is compiled with: |
| @@ -423,11 +423,11 @@ · 18 unmodified lines | |||
| 423 | 423 | ||
| 424 | 424 | ||
| 425 | 425 | ||
| 426 | 33.. RRuunnnniinngg UUMMLL aanndd llooggggiinngg iinn | 426 | 3. Running UML and logging in |
| 427 | 427 | ||
| 428 | 428 | ||
| 429 | 429 | ||
| 430 | 33..11.. RRuunnnniinngg UUMMLL | 430 | 3.1. Running UML |
| 431 | 431 | ||
| 432 | It runs on 2.2.15 or later, and all 2.4 kernels. | 432 | It runs on 2.2.15 or later, and all 2.4 kernels. |
| 433 | 433 | ||
| @@ -454,7 +454,7 @@ · 20 unmodified lines | |||
| 454 | 454 | ||
| 455 | 455 | ||
| 456 | 456 | ||
| 457 | 33..22.. LLooggggiinngg iinn | 457 | 3.2. Logging in |
| 458 | 458 | ||
| 459 | 459 | ||
| 460 | 460 | ||
| @@ -468,7 +468,7 @@ · 7 unmodified lines | |||
| 468 | 468 | ||
| 469 | There are a couple of other ways to log in: | 469 | There are a couple of other ways to log in: |
| 470 | 470 | ||
| 471 | +o On a virtual console | 471 | o On a virtual console |
| 472 | 472 | ||
| 473 | 473 | ||
| 474 | 474 | ||
| @@ -480,7 +480,7 @@ · 5 unmodified lines | |||
| 480 | 480 | ||
| 481 | 481 | ||
| 482 | 482 | ||
| 483 | +o Over the serial line | 483 | o Over the serial line |
| 484 | 484 | ||
| 485 | 485 | ||
| 486 | In the boot output, find a line that looks like: | 486 | In the boot output, find a line that looks like: |
| @@ -503,7 +503,7 @@ · 16 unmodified lines | |||
| 503 | 503 | ||
| 504 | 504 | ||
| 505 | 505 | ||
| 506 | +o Over the net | 506 | o Over the net |
| 507 | 507 | ||
| 508 | 508 | ||
| 509 | If the network is running, then you can telnet to the virtual | 509 | If the network is running, then you can telnet to the virtual |
| @@ -514,13 +514,13 @@ · 4 unmodified lines | |||
| 514 | down and the process will exit. | 514 | down and the process will exit. |
| 515 | 515 | ||
| 516 | 516 | ||
| 517 | 33..33.. EExxaammpplleess | 517 | 3.3. Examples |
| 518 | 518 | ||
| 519 | Here are some examples of UML in action: | 519 | Here are some examples of UML in action: |
| 520 | 520 | ||
| 521 | +o A login session <http://user-mode-linux.sourceforge.net/login.html> | 521 | o A login session <http://user-mode-linux.sourceforge.net/login.html> |
| 522 | 522 | ||
| 523 | +o A virtual network <http://user-mode-linux.sourceforge.net/net.html> | 523 | o A virtual network <http://user-mode-linux.sourceforge.net/net.html> |
| 524 | 524 | ||
| 525 | 525 | ||
| 526 | 526 | ||
| @@ -528,12 +528,12 @@ · 1 unmodified line | |||
| 528 | 528 | ||
| 529 | 529 | ||
| 530 | 530 | ||
| 531 | 44.. UUMMLL oonn 22GG//22GG hhoossttss | 531 | 4. UML on 2G/2G hosts |
| 532 | 532 | ||
| 533 | 533 | ||
| 534 | 534 | ||
| 535 | 535 | ||
| 536 | 44..11.. IInnttrroodduuccttiioonn | 536 | 4.1. Introduction |
| 537 | 537 | ||
| 538 | 538 | ||
| 539 | Most Linux machines are configured so that the kernel occupies the | 539 | Most Linux machines are configured so that the kernel occupies the |
| @@ -546,7 +546,7 @@ · 6 unmodified lines | |||
| 546 | 546 | ||
| 547 | 547 | ||
| 548 | 548 | ||
| 549 | 44..22.. TThhee pprroobblleemm | 549 | 4.2. The problem |
| 550 | 550 | ||
| 551 | 551 | ||
| 552 | The prebuilt UML binaries on this site will not run on 2G/2G hosts | 552 | The prebuilt UML binaries on this site will not run on 2G/2G hosts |
| @@ -558,7 +558,7 @@ · 5 unmodified lines | |||
| 558 | 558 | ||
| 559 | 559 | ||
| 560 | 560 | ||
| 561 | 44..33.. TThhee ssoolluuttiioonn | 561 | 4.3. The solution |
| 562 | 562 | ||
| 563 | 563 | ||
| 564 | The fix for this is to rebuild UML from source after enabling | 564 | The fix for this is to rebuild UML from source after enabling |
| @@ -576,7 +576,7 @@ · 11 unmodified lines | |||
| 576 | 576 | ||
| 577 | 577 | ||
| 578 | 578 | ||
| 579 | 55.. SSeettttiinngg uupp sseerriiaall lliinneess aanndd ccoonnssoolleess | 579 | 5. Setting up serial lines and consoles |
| 580 | 580 | ||
| 581 | 581 | ||
| 582 | It is possible to attach UML serial lines and consoles to many types | 582 | It is possible to attach UML serial lines and consoles to many types |
| @@ -586,12 +586,12 @@ · 3 unmodified lines | |||
| 586 | You can attach them to host ptys, ttys, file descriptors, and ports. | 586 | You can attach them to host ptys, ttys, file descriptors, and ports. |
| 587 | This allows you to do things like | 587 | This allows you to do things like |
| 588 | 588 | ||
| 589 | +o have a UML console appear on an unused host console, | 589 | o have a UML console appear on an unused host console, |
| 590 | 590 | ||
| 591 | +o hook two virtual machines together by having one attach to a pty | 591 | o hook two virtual machines together by having one attach to a pty |
| 592 | and having the other attach to the corresponding tty | 592 | and having the other attach to the corresponding tty |
| 593 | 593 | ||
| 594 | +o make a virtual machine accessible from the net by attaching a | 594 | o make a virtual machine accessible from the net by attaching a |
| 595 | console to a port on the host. | 595 | console to a port on the host. |
| 596 | 596 | ||
| 597 | 597 | ||
| @@ -599,7 +599,7 @@ · 1 unmodified line | |||
| 599 | 599 | ||
| 600 | 600 | ||
| 601 | 601 | ||
| 602 | 55..11.. SSppeecciiffyyiinngg tthhee ddeevviiccee | 602 | 5.1. Specifying the device |
| 603 | 603 | ||
| 604 | Devices are specified with "con" or "ssl" (console or serial line, | 604 | Devices are specified with "con" or "ssl" (console or serial line, |
| 605 | respectively), optionally with a device number if you are talking | 605 | respectively), optionally with a device number if you are talking |
| @@ -626,13 +626,13 @@ · 20 unmodified lines | |||
| 626 | 626 | ||
| 627 | 627 | ||
| 628 | 628 | ||
| 629 | 55..22.. SSppeecciiffyyiinngg tthhee cchhaannnneell | 629 | 5.2. Specifying the channel |
| 630 | 630 | ||
| 631 | There are a number of different types of channels to attach a UML | 631 | There are a number of different types of channels to attach a UML |
| 632 | device to, each with a different way of specifying exactly what to | 632 | device to, each with a different way of specifying exactly what to |
| 633 | attach to. | 633 | attach to. |
| 634 | 634 | ||
| 635 | +o pseudo-terminals - device=pty pts terminals - device=pts | 635 | o pseudo-terminals - device=pty pts terminals - device=pts |
| 636 | 636 | ||
| 637 | 637 | ||
| 638 | This will cause UML to allocate a free host pseudo-terminal for the | 638 | This will cause UML to allocate a free host pseudo-terminal for the |
| @@ -640,20 +640,20 @@ · 1 unmodified line | |||
| 640 | log. You access it by attaching a terminal program to the | 640 | log. You access it by attaching a terminal program to the |
| 641 | corresponding tty: | 641 | corresponding tty: |
| 642 | 642 | ||
| 643 | +o screen /dev/pts/n | 643 | o screen /dev/pts/n |
| 644 | 644 | ||
| 645 | +o screen /dev/ttyxx | 645 | o screen /dev/ttyxx |
| 646 | 646 | ||
| 647 | +o minicom -o -p /dev/ttyxx - minicom seems not able to handle pts | 647 | o minicom -o -p /dev/ttyxx - minicom seems not able to handle pts |
| 648 | devices | 648 | devices |
| 649 | 649 | ||
| 650 | +o kermit - start it up, 'open' the device, then 'connect' | 650 | o kermit - start it up, 'open' the device, then 'connect' |
| 651 | 651 | ||
| 652 | 652 | ||
| 653 | 653 | ||
| 654 | 654 | ||
| 655 | 655 | ||
| 656 | +o terminals - device=tty:tty device file | 656 | o terminals - device=tty:tty device file |
| 657 | 657 | ||
| 658 | 658 | ||
| 659 | This will make UML attach the device to the specified tty (i.e | 659 | This will make UML attach the device to the specified tty (i.e |
| @@ -672,7 +672,7 @@ · 12 unmodified lines | |||
| 672 | 672 | ||
| 673 | 673 | ||
| 674 | 674 | ||
| 675 | +o xterms - device=xterm | 675 | o xterms - device=xterm |
| 676 | 676 | ||
| 677 | 677 | ||
| 678 | UML will run an xterm and the device will be attached to it. | 678 | UML will run an xterm and the device will be attached to it. |
| @@ -681,7 +681,7 @@ · 2 unmodified lines | |||
| 681 | 681 | ||
| 682 | 682 | ||
| 683 | 683 | ||
| 684 | +o Port - device=port:port number | 684 | o Port - device=port:port number |
| 685 | 685 | ||
| 686 | 686 | ||
| 687 | This will attach the UML devices to the specified host port. | 687 | This will attach the UML devices to the specified host port. |
| @@ -725,7 +725,7 @@ · 37 unmodified lines | |||
| 725 | 725 | ||
| 726 | 726 | ||
| 727 | 727 | ||
| 728 | +o already-existing file descriptors - device=file descriptor | 728 | o already-existing file descriptors - device=file descriptor |
| 729 | 729 | ||
| 730 | 730 | ||
| 731 | If you set up a file descriptor on the UML command line, you can | 731 | If you set up a file descriptor on the UML command line, you can |
| @@ -743,7 +743,7 @@ · 11 unmodified lines | |||
| 743 | 743 | ||
| 744 | 744 | ||
| 745 | 745 | ||
| 746 | +o Nothing - device=null | 746 | o Nothing - device=null |
| 747 | 747 | ||
| 748 | 748 | ||
| 749 | This allows the device to be opened, in contrast to 'none', but | 749 | This allows the device to be opened, in contrast to 'none', but |
| @@ -754,7 +754,7 @@ · 4 unmodified lines | |||
| 754 | 754 | ||
| 755 | 755 | ||
| 756 | 756 | ||
| 757 | +o None - device=none | 757 | o None - device=none |
| 758 | 758 | ||
| 759 | 759 | ||
| 760 | This causes the device to disappear. | 760 | This causes the device to disappear. |
| @@ -770,7 +770,7 @@ · 9 unmodified lines | |||
| 770 | 770 | ||
| 771 | 771 | ||
| 772 | 772 | ||
| 773 | will cause serial line 3 to accept input on the host's /dev/tty3 and | 773 | will cause serial line 3 to accept input on the host's /dev/tty2 and |
| 774 | display output on an xterm. That's a silly example - the most common | 774 | display output on an xterm. That's a silly example - the most common |
| 775 | use of this syntax is to reattach the main console to stdin and stdout | 775 | use of this syntax is to reattach the main console to stdin and stdout |
| 776 | as shown above. | 776 | as shown above. |
| @@ -785,7 +785,7 @@ · 8 unmodified lines | |||
| 785 | 785 | ||
| 786 | 786 | ||
| 787 | 787 | ||
| 788 | 55..33.. EExxaammpplleess | 788 | 5.3. Examples |
| 789 | 789 | ||
| 790 | There are a number of interesting things you can do with this | 790 | There are a number of interesting things you can do with this |
| 791 | capability. | 791 | capability. |
| @@ -838,7 +838,7 @@ · 46 unmodified lines | |||
| 838 | prompt of the other virtual machine. | 838 | prompt of the other virtual machine. |
| 839 | 839 | ||
| 840 | 840 | ||
| 841 | 66.. SSeettttiinngg uupp tthhee nneettwwoorrkk | 841 | 6. Setting up the network |
| 842 | 842 | ||
| 843 | 843 | ||
| 844 | 844 | ||
| @@ -858,19 +858,19 @@ · 13 unmodified lines | |||
| 858 | There are currently five transport types available for a UML virtual | 858 | There are currently five transport types available for a UML virtual |
| 859 | machine to exchange packets with other hosts: | 859 | machine to exchange packets with other hosts: |
| 860 | 860 | ||
| 861 | +o ethertap | 861 | o ethertap |
| 862 | 862 | ||
| 863 | +o TUN/TAP | 863 | o TUN/TAP |
| 864 | 864 | ||
| 865 | +o Multicast | 865 | o Multicast |
| 866 | 866 | ||
| 867 | +o a switch daemon | 867 | o a switch daemon |
| 868 | 868 | ||
| 869 | +o slip | 869 | o slip |
| 870 | 870 | ||
| 871 | +o slirp | 871 | o slirp |
| 872 | 872 | ||
| 873 | +o pcap | 873 | o pcap |
| 874 | 874 | ||
| 875 | The TUN/TAP, ethertap, slip, and slirp transports allow a UML | 875 | The TUN/TAP, ethertap, slip, and slirp transports allow a UML |
| 876 | instance to exchange packets with the host. They may be directed | 876 | instance to exchange packets with the host. They may be directed |
| @@ -893,28 +893,28 @@ · 16 unmodified lines | |||
| 893 | With so many host transports, which one should you use? Here's when | 893 | With so many host transports, which one should you use? Here's when |
| 894 | you should use each one: | 894 | you should use each one: |
| 895 | 895 | ||
| 896 | +o ethertap - if you want access to the host networking and it is | 896 | o ethertap - if you want access to the host networking and it is |
| 897 | running 2.2 | 897 | running 2.2 |
| 898 | 898 | ||
| 899 | +o TUN/TAP - if you want access to the host networking and it is | 899 | o TUN/TAP - if you want access to the host networking and it is |
| 900 | running 2.4. Also, the TUN/TAP transport is able to use a | 900 | running 2.4. Also, the TUN/TAP transport is able to use a |
| 901 | preconfigured device, allowing it to avoid using the setuid uml_net | 901 | preconfigured device, allowing it to avoid using the setuid uml_net |
| 902 | helper, which is a security advantage. | 902 | helper, which is a security advantage. |
| 903 | 903 | ||
| 904 | +o Multicast - if you want a purely virtual network and you don't want | 904 | o Multicast - if you want a purely virtual network and you don't want |
| 905 | to set up anything but the UML | 905 | to set up anything but the UML |
| 906 | 906 | ||
| 907 | +o a switch daemon - if you want a purely virtual network and you | 907 | o a switch daemon - if you want a purely virtual network and you |
| 908 | don't mind running the daemon in order to get somewhat better | 908 | don't mind running the daemon in order to get somewhat better |
| 909 | performance | 909 | performance |
| 910 | 910 | ||
| 911 | +o slip - there is no particular reason to run the slip backend unless | 911 | o slip - there is no particular reason to run the slip backend unless |
| 912 | ethertap and TUN/TAP are just not available for some reason | 912 | ethertap and TUN/TAP are just not available for some reason |
| 913 | 913 | ||
| 914 | +o slirp - if you don't have root access on the host to setup | 914 | o slirp - if you don't have root access on the host to setup |
| 915 | networking, or if you don't want to allocate an IP to your UML | 915 | networking, or if you don't want to allocate an IP to your UML |
| 916 | 916 | ||
| 917 | +o pcap - not much use for actual network connectivity, but great for | 917 | o pcap - not much use for actual network connectivity, but great for |
| 918 | monitoring traffic on the host | 918 | monitoring traffic on the host |
| 919 | 919 | ||
| 920 | Ethertap is available on 2.4 and works fine. TUN/TAP is preferred | 920 | Ethertap is available on 2.4 and works fine. TUN/TAP is preferred |
| @@ -926,7 +926,7 @@ · 5 unmodified lines | |||
| 926 | exploit the helper's root privileges. | 926 | exploit the helper's root privileges. |
| 927 | 927 | ||
| 928 | 928 | ||
| 929 | 66..11.. GGeenneerraall sseettuupp | 929 | 6.1. General setup |
| 930 | 930 | ||
| 931 | First, you must have the virtual network enabled in your UML. If are | 931 | First, you must have the virtual network enabled in your UML. If are |
| 932 | running a prebuilt kernel from this site, everything is already | 932 | running a prebuilt kernel from this site, everything is already |
| @@ -995,7 +995,7 @@ · 62 unmodified lines | |||
| 995 | 995 | ||
| 996 | 996 | ||
| 997 | 997 | ||
| 998 | 66..22.. UUsseerrssppaaccee ddaaeemmoonnss | 998 | 6.2. Userspace daemons |
| 999 | 999 | ||
| 1000 | You will likely need the setuid helper, or the switch daemon, or both. | 1000 | You will likely need the setuid helper, or the switch daemon, or both. |
| 1001 | They are both installed with the RPM and deb, so if you've installed | 1001 | They are both installed with the RPM and deb, so if you've installed |
| @@ -1011,7 +1011,7 @@ · 9 unmodified lines | |||
| 1011 | 1011 | ||
| 1012 | 1012 | ||
| 1013 | 1013 | ||
| 1014 | 66..33.. SSppeecciiffyyiinngg eetthheerrnneett aaddddrreesssseess | 1014 | 6.3. Specifying ethernet addresses |
| 1015 | 1015 | ||
| 1016 | Below, you will see that the TUN/TAP, ethertap, and daemon interfaces | 1016 | Below, you will see that the TUN/TAP, ethertap, and daemon interfaces |
| 1017 | allow you to specify hardware addresses for the virtual ethernet | 1017 | allow you to specify hardware addresses for the virtual ethernet |
| @@ -1023,11 +1023,11 @@ · 5 unmodified lines | |||
| 1023 | sufficient to guarantee a unique hardware address for the device. A | 1023 | sufficient to guarantee a unique hardware address for the device. A |
| 1024 | couple of exceptions are: | 1024 | couple of exceptions are: |
| 1025 | 1025 | ||
| 1026 | +o Another set of virtual ethernet devices are on the same network and | 1026 | o Another set of virtual ethernet devices are on the same network and |
| 1027 | they are assigned hardware addresses using a different scheme which | 1027 | they are assigned hardware addresses using a different scheme which |
| 1028 | may conflict with the UML IP address-based scheme | 1028 | may conflict with the UML IP address-based scheme |
| 1029 | 1029 | ||
| 1030 | +o You aren't going to use the device for IP networking, so you don't | 1030 | o You aren't going to use the device for IP networking, so you don't |
| 1031 | assign the device an IP address | 1031 | assign the device an IP address |
| 1032 | 1032 | ||
| 1033 | If you let the driver provide the hardware address, you should make | 1033 | If you let the driver provide the hardware address, you should make |
| @@ -1049,7 +1049,7 @@ · 15 unmodified lines | |||
| 1049 | 1049 | ||
| 1050 | 1050 | ||
| 1051 | 1051 | ||
| 1052 | 66..44.. UUMMLL iinntteerrffaaccee sseettuupp | 1052 | 6.4. UML interface setup |
| 1053 | 1053 | ||
| 1054 | Once the network devices have been described on the command line, you | 1054 | Once the network devices have been described on the command line, you |
| 1055 | should boot UML and log in. | 1055 | should boot UML and log in. |
| @@ -1131,7 +1131,7 @@ · 75 unmodified lines | |||
| 1131 | 1131 | ||
| 1132 | 1132 | ||
| 1133 | 1133 | ||
| 1134 | 66..55.. MMuullttiiccaasstt | 1134 | 6.5. Multicast |
| 1135 | 1135 | ||
| 1136 | The simplest way to set up a virtual network between multiple UMLs is | 1136 | The simplest way to set up a virtual network between multiple UMLs is |
| 1137 | to use the mcast transport. This was written by Harald Welte and is | 1137 | to use the mcast transport. This was written by Harald Welte and is |
| @@ -1194,7 +1194,7 @@ · 56 unmodified lines | |||
| 1194 | 1194 | ||
| 1195 | 1195 | ||
| 1196 | 1196 | ||
| 1197 | 66..66.. TTUUNN//TTAAPP wwiitthh tthhee uummll__nneett hheellppeerr | 1197 | 6.6. TUN/TAP with the uml_net helper |
| 1198 | 1198 | ||
| 1199 | TUN/TAP is the preferred mechanism on 2.4 to exchange packets with the | 1199 | TUN/TAP is the preferred mechanism on 2.4 to exchange packets with the |
| 1200 | host. The TUN/TAP backend has been in UML since 2.4.9-3um. | 1200 | host. The TUN/TAP backend has been in UML since 2.4.9-3um. |
| @@ -1247,10 +1247,10 @@ · 46 unmodified lines | |||
| 1247 | There are a couple potential problems with running the TUN/TAP | 1247 | There are a couple potential problems with running the TUN/TAP |
| 1248 | transport on a 2.4 host kernel | 1248 | transport on a 2.4 host kernel |
| 1249 | 1249 | ||
| 1250 | +o TUN/TAP seems not to work on 2.4.3 and earlier. Upgrade the host | 1250 | o TUN/TAP seems not to work on 2.4.3 and earlier. Upgrade the host |
| 1251 | kernel or use the ethertap transport. | 1251 | kernel or use the ethertap transport. |
| 1252 | 1252 | ||
| 1253 | +o With an upgraded kernel, TUN/TAP may fail with | 1253 | o With an upgraded kernel, TUN/TAP may fail with |
| 1254 | 1254 | ||
| 1255 | 1255 | ||
| 1256 | File descriptor in bad state | 1256 | File descriptor in bad state |
| @@ -1269,7 +1269,7 @@ · 12 unmodified lines | |||
| 1269 | 1269 | ||
| 1270 | 1270 | ||
| 1271 | 1271 | ||
| 1272 | 66..77.. TTUUNN//TTAAPP wwiitthh aa pprreeccoonnffiigguurreedd ttaapp ddeevviiccee | 1272 | 6.7. TUN/TAP with a preconfigured tap device |
| 1273 | 1273 | ||
| 1274 | If you prefer not to have UML use uml_net (which is somewhat | 1274 | If you prefer not to have UML use uml_net (which is somewhat |
| 1275 | insecure), with UML 2.4.17-11, you can set up a TUN/TAP device | 1275 | insecure), with UML 2.4.17-11, you can set up a TUN/TAP device |
| @@ -1277,7 +1277,7 @@ · 1 unmodified line | |||
| 1277 | there is no need for root assistance. Setting up the device is done | 1277 | there is no need for root assistance. Setting up the device is done |
| 1278 | as follows: | 1278 | as follows: |
| 1279 | 1279 | ||
| 1280 | +o Create the device with tunctl (available from the UML utilities | 1280 | o Create the device with tunctl (available from the UML utilities |
| 1281 | tarball) | 1281 | tarball) |
| 1282 | 1282 | ||
| 1283 | 1283 | ||
| @@ -1291,7 +1291,7 @@ · 7 unmodified lines | |||
| 1291 | where uid is the user id or username that UML will be run as. This | 1291 | where uid is the user id or username that UML will be run as. This |
| 1292 | will tell you what device was created. | 1292 | will tell you what device was created. |
| 1293 | 1293 | ||
| 1294 | +o Configure the device IP (change IP addresses and device name to | 1294 | o Configure the device IP (change IP addresses and device name to |
| 1295 | suit) | 1295 | suit) |
| 1296 | 1296 | ||
| 1297 | 1297 | ||
| @@ -1303,7 +1303,7 @@ · 5 unmodified lines | |||
| 1303 | 1303 | ||
| 1304 | 1304 | ||
| 1305 | 1305 | ||
| 1306 | +o Set up routing and arping if desired - this is my recipe, there are | 1306 | o Set up routing and arping if desired - this is my recipe, there are |
| 1307 | other ways of doing the same thing | 1307 | other ways of doing the same thing |
| 1308 | 1308 | ||
| 1309 | 1309 | ||
| @@ -1338,7 +1338,7 @@ · 28 unmodified lines | |||
| 1338 | utility which reads the information from a config file and sets up | 1338 | utility which reads the information from a config file and sets up |
| 1339 | devices at boot time. | 1339 | devices at boot time. |
| 1340 | 1340 | ||
| 1341 | +o Rather than using up two IPs and ARPing for one of them, you can | 1341 | o Rather than using up two IPs and ARPing for one of them, you can |
| 1342 | also provide direct access to your LAN by the UML by using a | 1342 | also provide direct access to your LAN by the UML by using a |
| 1343 | bridge. | 1343 | bridge. |
| 1344 | 1344 | ||
| @@ -1417,7 +1417,7 @@ · 72 unmodified lines | |||
| 1417 | Note that 'br0' should be setup using ifconfig with the existing IP | 1417 | Note that 'br0' should be setup using ifconfig with the existing IP |
| 1418 | address of eth0, as eth0 no longer has its own IP. | 1418 | address of eth0, as eth0 no longer has its own IP. |
| 1419 | 1419 | ||
| 1420 | +o | 1420 | o |
| 1421 | 1421 | ||
| 1422 | 1422 | ||
| 1423 | Also, the /dev/net/tun device must be writable by the user running | 1423 | Also, the /dev/net/tun device must be writable by the user running |
| @@ -1438,11 +1438,11 @@ · 14 unmodified lines | |||
| 1438 | devices and chgrp /dev/net/tun to that group with mode 664 or 660. | 1438 | devices and chgrp /dev/net/tun to that group with mode 664 or 660. |
| 1439 | 1439 | ||
| 1440 | 1440 | ||
| 1441 | +o Once the device is set up, run UML with 'eth0=tuntap,device name' | 1441 | o Once the device is set up, run UML with 'eth0=tuntap,device name' |
| 1442 | (i.e. 'eth0=tuntap,tap0') on the command line (or do it with the | 1442 | (i.e. 'eth0=tuntap,tap0') on the command line (or do it with the |
| 1443 | mconsole config command). | 1443 | mconsole config command). |
| 1444 | 1444 | ||
| 1445 | +o Bring the eth device up in UML and you're in business. | 1445 | o Bring the eth device up in UML and you're in business. |
| 1446 | 1446 | ||
| 1447 | If you don't want that tap device any more, you can make it non- | 1447 | If you don't want that tap device any more, you can make it non- |
| 1448 | persistent with | 1448 | persistent with |
| @@ -1465,7 +1465,7 @@ · 16 unmodified lines | |||
| 1465 | 1465 | ||
| 1466 | 1466 | ||
| 1467 | 1467 | ||
| 1468 | 66..88.. EEtthheerrttaapp | 1468 | 6.8. Ethertap |
| 1469 | 1469 | ||
| 1470 | Ethertap is the general mechanism on 2.2 for userspace processes to | 1470 | Ethertap is the general mechanism on 2.2 for userspace processes to |
| 1471 | exchange packets with the kernel. | 1471 | exchange packets with the kernel. |
| @@ -1561,9 +1561,9 @@ · 89 unmodified lines | |||
| 1561 | 1561 | ||
| 1562 | 1562 | ||
| 1563 | 1563 | ||
| 1564 | 66..99.. TThhee sswwiittcchh ddaaeemmoonn | 1564 | 6.9. The switch daemon |
| 1565 | 1565 | ||
| 1566 | NNoottee: This is the daemon formerly known as uml_router, but which was | 1566 | Note: This is the daemon formerly known as uml_router, but which was |
| 1567 | renamed so the network weenies of the world would stop growling at me. | 1567 | renamed so the network weenies of the world would stop growling at me. |
| 1568 | 1568 | ||
| 1569 | 1569 | ||
| @@ -1649,7 +1649,7 @@ · 79 unmodified lines | |||
| 1649 | 1649 | ||
| 1650 | 1650 | ||
| 1651 | 1651 | ||
| 1652 | 66..1100.. SSlliipp | 1652 | 6.10. Slip |
| 1653 | 1653 | ||
| 1654 | Slip is another, less general, mechanism for a process to communicate | 1654 | Slip is another, less general, mechanism for a process to communicate |
| 1655 | with the host networking. In contrast to the ethertap interface, | 1655 | with the host networking. In contrast to the ethertap interface, |
| @@ -1681,7 +1681,7 @@ · 25 unmodified lines | |||
| 1681 | 1681 | ||
| 1682 | 1682 | ||
| 1683 | 1683 | ||
| 1684 | 66..1111.. SSlliirrpp | 1684 | 6.11. Slirp |
| 1685 | 1685 | ||
| 1686 | slirp uses an external program, usually /usr/bin/slirp, to provide IP | 1686 | slirp uses an external program, usually /usr/bin/slirp, to provide IP |
| 1687 | only networking connectivity through the host. This is similar to IP | 1687 | only networking connectivity through the host. This is similar to IP |
| @@ -1737,7 +1737,7 @@ · 49 unmodified lines | |||
| 1737 | 1737 | ||
| 1738 | 1738 | ||
| 1739 | 1739 | ||
| 1740 | 66..1122.. ppccaapp | 1740 | 6.12. pcap |
| 1741 | 1741 | ||
| 1742 | The pcap transport is attached to a UML ethernet device on the command | 1742 | The pcap transport is attached to a UML ethernet device on the command |
| 1743 | line or with uml_mconsole with the following syntax: | 1743 | line or with uml_mconsole with the following syntax: |
| @@ -1777,7 +1777,7 @@ · 33 unmodified lines | |||
| 1777 | 1777 | ||
| 1778 | 1778 | ||
| 1779 | 1779 | ||
| 1780 | 66..1133.. SSeettttiinngg uupp tthhee hhoosstt yyoouurrsseellff | 1780 | 6.13. Setting up the host yourself |
| 1781 | 1781 | ||
| 1782 | If you don't specify an address for the host side of the ethertap or | 1782 | If you don't specify an address for the host side of the ethertap or |
| 1783 | slip device, UML won't do any setup on the host. So this is what is | 1783 | slip device, UML won't do any setup on the host. So this is what is |
| @@ -1785,7 +1785,7 @@ · 1 unmodified line | |||
| 1785 | 192.168.0.251 and a UML-side IP of 192.168.0.250 - adjust to suit your | 1785 | 192.168.0.251 and a UML-side IP of 192.168.0.250 - adjust to suit your |
| 1786 | own network): | 1786 | own network): |
| 1787 | 1787 | ||
| 1788 | +o The device needs to be configured with its IP address. Tap devices | 1788 | o The device needs to be configured with its IP address. Tap devices |
| 1789 | are also configured with an mtu of 1484. Slip devices are | 1789 | are also configured with an mtu of 1484. Slip devices are |
| 1790 | configured with a point-to-point address pointing at the UML ip | 1790 | configured with a point-to-point address pointing at the UML ip |
| 1791 | address. | 1791 | address. |
| @@ -1805,7 +1805,7 @@ · 13 unmodified lines | |||
| 1805 | 1805 | ||
| 1806 | 1806 | ||
| 1807 | 1807 | ||
| 1808 | +o If a tap device is being set up, a route is set to the UML IP. | 1808 | o If a tap device is being set up, a route is set to the UML IP. |
| 1809 | 1809 | ||
| 1810 | 1810 | ||
| 1811 | UML# route add -host 192.168.0.250 gw 192.168.0.251 | 1811 | UML# route add -host 192.168.0.250 gw 192.168.0.251 |
| @@ -1814,7 +1814,7 @@ · 2 unmodified lines | |||
| 1814 | 1814 | ||
| 1815 | 1815 | ||
| 1816 | 1816 | ||
| 1817 | +o To allow other hosts on your network to see the virtual machine, | 1817 | o To allow other hosts on your network to see the virtual machine, |
| 1818 | proxy arp is set up for it. | 1818 | proxy arp is set up for it. |
| 1819 | 1819 | ||
| 1820 | 1820 | ||
| @@ -1824,7 +1824,7 @@ · 3 unmodified lines | |||
| 1824 | 1824 | ||
| 1825 | 1825 | ||
| 1826 | 1826 | ||
| 1827 | +o Finally, the host is set up to route packets. | 1827 | o Finally, the host is set up to route packets. |
| 1828 | 1828 | ||
| 1829 | 1829 | ||
| 1830 | host# echo 1 > /proc/sys/net/ipv4/ip_forward | 1830 | host# echo 1 > /proc/sys/net/ipv4/ip_forward |
| @@ -1838,12 +1838,12 @@ · 7 unmodified lines | |||
| 1838 | 1838 | ||
| 1839 | 1839 | ||
| 1840 | 1840 | ||
| 1841 | 77.. SShhaarriinngg FFiilleessyysstteemmss bbeettwweeeenn VViirrttuuaall MMaacchhiinneess | 1841 | 7. Sharing Filesystems between Virtual Machines |
| 1842 | 1842 | ||
| 1843 | 1843 | ||
| 1844 | 1844 | ||
| 1845 | 1845 | ||
| 1846 | 77..11.. AA wwaarrnniinngg | 1846 | 7.1. A warning |
| 1847 | 1847 | ||
| 1848 | Don't attempt to share filesystems simply by booting two UMLs from the | 1848 | Don't attempt to share filesystems simply by booting two UMLs from the |
| 1849 | same file. That's the same thing as booting two physical machines | 1849 | same file. That's the same thing as booting two physical machines |
| @@ -1851,7 +1851,7 @@ · 1 unmodified line | |||
| 1851 | 1851 | ||
| 1852 | 1852 | ||
| 1853 | 1853 | ||
| 1854 | 77..22.. UUssiinngg llaayyeerreedd bblloocckk ddeevviicceess | 1854 | 7.2. Using layered block devices |
| 1855 | 1855 | ||
| 1856 | The way to share a filesystem between two virtual machines is to use | 1856 | The way to share a filesystem between two virtual machines is to use |
| 1857 | the copy-on-write (COW) layering capability of the ubd block driver. | 1857 | the copy-on-write (COW) layering capability of the ubd block driver. |
| @@ -1896,7 +1896,7 @@ · 38 unmodified lines | |||
| 1896 | 1896 | ||
| 1897 | 1897 | ||
| 1898 | 1898 | ||
| 1899 | 77..33.. NNoottee!! | 1899 | 7.3. Note! |
| 1900 | 1900 | ||
| 1901 | When checking the size of the COW file in order to see the gobs of | 1901 | When checking the size of the COW file in order to see the gobs of |
| 1902 | space that you're saving, make sure you use 'ls -ls' to see the actual | 1902 | space that you're saving, make sure you use 'ls -ls' to see the actual |
| @@ -1926,7 +1926,7 @@ · 23 unmodified lines | |||
| 1926 | 1926 | ||
| 1927 | 1927 | ||
| 1928 | 1928 | ||
| 1929 | 77..44.. AAnnootthheerr wwaarrnniinngg | 1929 | 7.4. Another warning |
| 1930 | 1930 | ||
| 1931 | Once a filesystem is being used as a readonly backing file for a COW | 1931 | Once a filesystem is being used as a readonly backing file for a COW |
| 1932 | file, do not boot directly from it or modify it in any way. Doing so | 1932 | file, do not boot directly from it or modify it in any way. Doing so |
| @@ -1952,7 +1952,7 @@ · 19 unmodified lines | |||
| 1952 | 1952 | ||
| 1953 | 1953 | ||
| 1954 | 1954 | ||
| 1955 | 77..55.. uummll__mmoooo :: MMeerrggiinngg aa CCOOWW ffiillee wwiitthh iittss bbaacckkiinngg ffiillee | 1955 | 7.5. uml_moo : Merging a COW file with its backing file |
| 1956 | 1956 | ||
| 1957 | Depending on how you use UML and COW devices, it may be advisable to | 1957 | Depending on how you use UML and COW devices, it may be advisable to |
| 1958 | merge the changes in the COW file into the backing file every once in | 1958 | merge the changes in the COW file into the backing file every once in |
| @@ -2001,7 +2001,7 @@ · 42 unmodified lines | |||
| 2001 | 2001 | ||
| 2002 | 2002 | ||
| 2003 | 2003 | ||
| 2004 | 88.. CCrreeaattiinngg ffiilleessyysstteemmss | 2004 | 8. Creating filesystems |
| 2005 | 2005 | ||
| 2006 | 2006 | ||
| 2007 | You may want to create and mount new UML filesystems, either because | 2007 | You may want to create and mount new UML filesystems, either because |
| @@ -2015,7 +2015,7 @@ · 7 unmodified lines | |||
| 2015 | should be easy to translate to the filesystem of your choice. | 2015 | should be easy to translate to the filesystem of your choice. |
| 2016 | 2016 | ||
| 2017 | 2017 | ||
| 2018 | 88..11.. CCrreeaattee tthhee ffiilleessyysstteemm ffiillee | 2018 | 8.1. Create the filesystem file |
| 2019 | 2019 | ||
| 2020 | dd is your friend. All you need to do is tell dd to create an empty | 2020 | dd is your friend. All you need to do is tell dd to create an empty |
| 2021 | file of the appropriate size. I usually make it sparse to save time | 2021 | file of the appropriate size. I usually make it sparse to save time |
| @@ -2032,7 +2032,7 @@ · 10 unmodified lines | |||
| 2032 | 2032 | ||
| 2033 | 2033 | ||
| 2034 | 2034 | ||
| 2035 | 88..22.. AAssssiiggnn tthhee ffiillee ttoo aa UUMMLL ddeevviiccee | 2035 | 8.2. Assign the file to a UML device |
| 2036 | 2036 | ||
| 2037 | Add an argument like the following to the UML command line: | 2037 | Add an argument like the following to the UML command line: |
| 2038 | 2038 | ||
| @@ -2045,7 +2045,7 @@ · 6 unmodified lines | |||
| 2045 | 2045 | ||
| 2046 | 2046 | ||
| 2047 | 2047 | ||
| 2048 | 88..33.. CCrreeaattiinngg aanndd mmoouunnttiinngg tthhee ffiilleessyysstteemm | 2048 | 8.3. Creating and mounting the filesystem |
| 2049 | 2049 | ||
| 2050 | Make sure that the filesystem is available, either by being built into | 2050 | Make sure that the filesystem is available, either by being built into |
| 2051 | the kernel, or available as a module, then boot up UML and log in. If | 2051 | the kernel, or available as a module, then boot up UML and log in. If |
| @@ -2096,7 +2096,7 @@ · 44 unmodified lines | |||
| 2096 | 2096 | ||
| 2097 | 2097 | ||
| 2098 | 2098 | ||
| 2099 | 99.. HHoosstt ffiillee aacccceessss | 2099 | 9. Host file access |
| 2100 | 2100 | ||
| 2101 | 2101 | ||
| 2102 | If you want to access files on the host machine from inside UML, you | 2102 | If you want to access files on the host machine from inside UML, you |
| @@ -2112,7 +2112,7 @@ · 9 unmodified lines | |||
| 2112 | files contained in it just as you would on the host. | 2112 | files contained in it just as you would on the host. |
| 2113 | 2113 | ||
| 2114 | 2114 | ||
| 2115 | 99..11.. UUssiinngg hhoossttffss | 2115 | 9.1. Using hostfs |
| 2116 | 2116 | ||
| 2117 | To begin with, make sure that hostfs is available inside the virtual | 2117 | To begin with, make sure that hostfs is available inside the virtual |
| 2118 | machine with | 2118 | machine with |
| @@ -2151,7 +2151,7 @@ · 32 unmodified lines | |||
| 2151 | 2151 | ||
| 2152 | 2152 | ||
| 2153 | 2153 | ||
| 2154 | 99..22.. hhoossttffss aass tthhee rroooott ffiilleessyysstteemm | 2154 | 9.2. hostfs as the root filesystem |
| 2155 | 2155 | ||
| 2156 | It's possible to boot from a directory hierarchy on the host using | 2156 | It's possible to boot from a directory hierarchy on the host using |
| 2157 | hostfs rather than using the standard filesystem in a file. | 2157 | hostfs rather than using the standard filesystem in a file. |
| @@ -2194,20 +2194,20 @@ · 36 unmodified lines | |||
| 2194 | UML should then boot as it does normally. | 2194 | UML should then boot as it does normally. |
| 2195 | 2195 | ||
| 2196 | 2196 | ||
| 2197 | 99..33.. BBuuiillddiinngg hhoossttffss | 2197 | 9.3. Building hostfs |
| 2198 | 2198 | ||
| 2199 | If you need to build hostfs because it's not in your kernel, you have | 2199 | If you need to build hostfs because it's not in your kernel, you have |
| 2200 | two choices: | 2200 | two choices: |
| 2201 | 2201 | ||
| 2202 | 2202 | ||
| 2203 | 2203 | ||
| 2204 | +o Compiling hostfs into the kernel: | 2204 | o Compiling hostfs into the kernel: |
| 2205 | 2205 | ||
| 2206 | 2206 | ||
| 2207 | Reconfigure the kernel and set the 'Host filesystem' option under | 2207 | Reconfigure the kernel and set the 'Host filesystem' option under |
| 2208 | 2208 | ||
| 2209 | 2209 | ||
| 2210 | +o Compiling hostfs as a module: | 2210 | o Compiling hostfs as a module: |
| 2211 | 2211 | ||
| 2212 | 2212 | ||
| 2213 | Reconfigure the kernel and set the 'Host filesystem' option under | 2213 | Reconfigure the kernel and set the 'Host filesystem' option under |
| @@ -2228,7 +2228,7 @@ · 14 unmodified lines | |||
| 2228 | 2228 | ||
| 2229 | 2229 | ||
| 2230 | 2230 | ||
| 2231 | 1100.. TThhee MMaannaaggeemmeenntt CCoonnssoollee | 2231 | 10. The Management Console |
| 2232 | 2232 | ||
| 2233 | 2233 | ||
| 2234 | 2234 | ||
| @@ -2240,15 +2240,15 @@ · 5 unmodified lines | |||
| 2240 | 2240 | ||
| 2241 | There are a number of things you can do with the mconsole interface: | 2241 | There are a number of things you can do with the mconsole interface: |
| 2242 | 2242 | ||
| 2243 | +o get the kernel version | 2243 | o get the kernel version |
| 2244 | 2244 | ||
| 2245 | +o add and remove devices | 2245 | o add and remove devices |
| 2246 | 2246 | ||
| 2247 | +o halt or reboot the machine | 2247 | o halt or reboot the machine |
| 2248 | 2248 | ||
| 2249 | +o Send SysRq commands | 2249 | o Send SysRq commands |
| 2250 | 2250 | ||
| 2251 | +o Pause and resume the UML | 2251 | o Pause and resume the UML |
| 2252 | 2252 | ||
| 2253 | 2253 | ||
| 2254 | You need the mconsole client (uml_mconsole) which is present in CVS | 2254 | You need the mconsole client (uml_mconsole) which is present in CVS |
| @@ -2300,28 +2300,28 @@ · 45 unmodified lines | |||
| 2300 | 2300 | ||
| 2301 | You'll get a prompt, at which you can run one of these commands: | 2301 | You'll get a prompt, at which you can run one of these commands: |
| 2302 | 2302 | ||
| 2303 | +o version | 2303 | o version |
| 2304 | 2304 | ||
| 2305 | +o halt | 2305 | o halt |
| 2306 | 2306 | ||
| 2307 | +o reboot | 2307 | o reboot |
| 2308 | 2308 | ||
| 2309 | +o config | 2309 | o config |
| 2310 | 2310 | ||
| 2311 | +o remove | 2311 | o remove |
| 2312 | 2312 | ||
| 2313 | +o sysrq | 2313 | o sysrq |
| 2314 | 2314 | ||
| 2315 | +o help | 2315 | o help |
| 2316 | 2316 | ||
| 2317 | +o cad | 2317 | o cad |
| 2318 | 2318 | ||
| 2319 | +o stop | 2319 | o stop |
| 2320 | 2320 | ||
| 2321 | +o go | 2321 | o go |
| 2322 | 2322 | ||
| 2323 | 2323 | ||
| 2324 | 1100..11.. vveerrssiioonn | 2324 | 10.1. version |
| 2325 | 2325 | ||
| 2326 | This takes no arguments. It prints the UML version. | 2326 | This takes no arguments. It prints the UML version. |
| 2327 | 2327 | ||
| @@ -2342,7 +2342,7 @@ · 14 unmodified lines | |||
| 2342 | 2342 | ||
| 2343 | 2343 | ||
| 2344 | 2344 | ||
| 2345 | 1100..22.. hhaalltt aanndd rreebboooott | 2345 | 10.2. halt and reboot |
| 2346 | 2346 | ||
| 2347 | These take no arguments. They shut the machine down immediately, with | 2347 | These take no arguments. They shut the machine down immediately, with |
| 2348 | no syncing of disks and no clean shutdown of userspace. So, they are | 2348 | no syncing of disks and no clean shutdown of userspace. So, they are |
| @@ -2357,7 +2357,7 @@ · 8 unmodified lines | |||
| 2357 | 2357 | ||
| 2358 | 2358 | ||
| 2359 | 2359 | ||
| 2360 | 1100..33.. ccoonnffiigg | 2360 | 10.3. config |
| 2361 | 2361 | ||
| 2362 | "config" adds a new device to the virtual machine. Currently the ubd | 2362 | "config" adds a new device to the virtual machine. Currently the ubd |
| 2363 | and network drivers support this. It takes one argument, which is the | 2363 | and network drivers support this. It takes one argument, which is the |
| @@ -2378,7 +2378,7 @@ · 14 unmodified lines | |||
| 2378 | 2378 | ||
| 2379 | 2379 | ||
| 2380 | 2380 | ||
| 2381 | 1100..44.. rreemmoovvee | 2381 | 10.4. remove |
| 2382 | 2382 | ||
| 2383 | "remove" deletes a device from the system. Its argument is just the | 2383 | "remove" deletes a device from the system. Its argument is just the |
| 2384 | name of the device to be removed. The device must be idle in whatever | 2384 | name of the device to be removed. The device must be idle in whatever |
| @@ -2397,7 +2397,7 @@ · 12 unmodified lines | |||
| 2397 | 2397 | ||
| 2398 | 2398 | ||
| 2399 | 2399 | ||
| 2400 | 1100..55.. ssyyssrrqq | 2400 | 10.5. sysrq |
| 2401 | 2401 | ||
| 2402 | This takes one argument, which is a single letter. It calls the | 2402 | This takes one argument, which is a single letter. It calls the |
| 2403 | generic kernel's SysRq driver, which does whatever is called for by | 2403 | generic kernel's SysRq driver, which does whatever is called for by |
| @@ -2407,14 +2407,14 @@ · 3 unmodified lines | |||
| 2407 | 2407 | ||
| 2408 | 2408 | ||
| 2409 | 2409 | ||
| 2410 | 1100..66.. hheellpp | 2410 | 10.6. help |
| 2411 | 2411 | ||
| 2412 | "help" returns a string listing the valid commands and what each one | 2412 | "help" returns a string listing the valid commands and what each one |
| 2413 | does. | 2413 | does. |
| 2414 | 2414 | ||
| 2415 | 2415 | ||
| 2416 | 2416 | ||
| 2417 | 1100..77.. ccaadd | 2417 | 10.7. cad |
| 2418 | 2418 | ||
| 2419 | This invokes the Ctl-Alt-Del action on init. What exactly this ends | 2419 | This invokes the Ctl-Alt-Del action on init. What exactly this ends |
| 2420 | up doing is up to /etc/inittab. Normally, it reboots the machine. | 2420 | up doing is up to /etc/inittab. Normally, it reboots the machine. |
| @@ -2432,7 +2432,7 @@ · 11 unmodified lines | |||
| 2432 | 2432 | ||
| 2433 | 2433 | ||
| 2434 | 2434 | ||
| 2435 | 1100..88.. ssttoopp | 2435 | 10.8. stop |
| 2436 | 2436 | ||
| 2437 | This puts the UML in a loop reading mconsole requests until a 'go' | 2437 | This puts the UML in a loop reading mconsole requests until a 'go' |
| 2438 | mconsole command is received. This is very useful for making backups | 2438 | mconsole command is received. This is very useful for making backups |
| @@ -2448,7 +2448,7 @@ · 9 unmodified lines | |||
| 2448 | 2448 | ||
| 2449 | 2449 | ||
| 2450 | 2450 | ||
| 2451 | 1100..99.. ggoo | 2451 | 10.9. go |
| 2452 | 2452 | ||
| 2453 | This resumes a UML after being paused by a 'stop' command. Note that | 2453 | This resumes a UML after being paused by a 'stop' command. Note that |
| 2454 | when the UML has resumed, TCP connections may have timed out and if | 2454 | when the UML has resumed, TCP connections may have timed out and if |
| @@ -2462,10 +2462,10 @@ · 7 unmodified lines | |||
| 2462 | 2462 | ||
| 2463 | 2463 | ||
| 2464 | 2464 | ||
| 2465 | 1111.. KKeerrnneell ddeebbuuggggiinngg | 2465 | 11. Kernel debugging |
| 2466 | 2466 | ||
| 2467 | 2467 | ||
| 2468 | NNoottee:: The interface that makes debugging, as described here, possible | 2468 | Note: The interface that makes debugging, as described here, possible |
| 2469 | is present in 2.4.0-test6 kernels and later. | 2469 | is present in 2.4.0-test6 kernels and later. |
| 2470 | 2470 | ||
| 2471 | 2471 | ||
| @@ -2485,7 +2485,7 @@ · 13 unmodified lines | |||
| 2485 | 2485 | ||
| 2486 | 2486 | ||
| 2487 | 2487 | ||
| 2488 | 1111..11.. SSttaarrttiinngg tthhee kkeerrnneell uunnddeerr ggddbb | 2488 | 11.1. Starting the kernel under gdb |
| 2489 | 2489 | ||
| 2490 | You can have the kernel running under the control of gdb from the | 2490 | You can have the kernel running under the control of gdb from the |
| 2491 | beginning by putting 'debug' on the command line. You will get an | 2491 | beginning by putting 'debug' on the command line. You will get an |
| @@ -2498,7 +2498,7 @@ · 6 unmodified lines | |||
| 2498 | There is a transcript of a debugging session here <debug- | 2498 | There is a transcript of a debugging session here <debug- |
| 2499 | session.html> , with breakpoints being set in the scheduler and in an | 2499 | session.html> , with breakpoints being set in the scheduler and in an |
| 2500 | interrupt handler. | 2500 | interrupt handler. |
| 2501 | 1111..22.. EExxaammiinniinngg sslleeeeppiinngg pprroocceesssseess | 2501 | 11.2. Examining sleeping processes |
| 2502 | 2502 | ||
| 2503 | Not every bug is evident in the currently running process. Sometimes, | 2503 | Not every bug is evident in the currently running process. Sometimes, |
| 2504 | processes hang in the kernel when they shouldn't because they've | 2504 | processes hang in the kernel when they shouldn't because they've |
| @@ -2516,7 +2516,7 @@ · 11 unmodified lines | |||
| 2516 | 2516 | ||
| 2517 | Now what you do is this: | 2517 | Now what you do is this: |
| 2518 | 2518 | ||
| 2519 | +o detach from the current thread | 2519 | o detach from the current thread |
| 2520 | 2520 | ||
| 2521 | 2521 | ||
| 2522 | (UML gdb) det | 2522 | (UML gdb) det |
| @@ -2525,7 +2525,7 @@ · 2 unmodified lines | |||
| 2525 | 2525 | ||
| 2526 | 2526 | ||
| 2527 | 2527 | ||
| 2528 | +o attach to the thread you are interested in | 2528 | o attach to the thread you are interested in |
| 2529 | 2529 | ||
| 2530 | 2530 | ||
| 2531 | (UML gdb) att <host pid> | 2531 | (UML gdb) att <host pid> |
| @@ -2534,7 +2534,7 @@ · 2 unmodified lines | |||
| 2534 | 2534 | ||
| 2535 | 2535 | ||
| 2536 | 2536 | ||
| 2537 | +o look at its stack and anything else of interest | 2537 | o look at its stack and anything else of interest |
| 2538 | 2538 | ||
| 2539 | 2539 | ||
| 2540 | (UML gdb) bt | 2540 | (UML gdb) bt |
| @@ -2545,7 +2545,7 @@ · 4 unmodified lines | |||
| 2545 | Note that you can't do anything at this point that requires that a | 2545 | Note that you can't do anything at this point that requires that a |
| 2546 | process execute, e.g. calling a function | 2546 | process execute, e.g. calling a function |
| 2547 | 2547 | ||
| 2548 | +o when you're done looking at that process, reattach to the current | 2548 | o when you're done looking at that process, reattach to the current |
| 2549 | thread and continue it | 2549 | thread and continue it |
| 2550 | 2550 | ||
| 2551 | 2551 | ||
| @@ -2569,12 +2569,12 @@ · 17 unmodified lines | |||
| 2569 | 2569 | ||
| 2570 | 2570 | ||
| 2571 | 2571 | ||
| 2572 | 1111..33.. RRuunnnniinngg dddddd oonn UUMMLL | 2572 | 11.3. Running ddd on UML |
| 2573 | 2573 | ||
| 2574 | ddd works on UML, but requires a special kludge. The process goes | 2574 | ddd works on UML, but requires a special kludge. The process goes |
| 2575 | like this: | 2575 | like this: |
| 2576 | 2576 | ||
| 2577 | +o Start ddd | 2577 | o Start ddd |
| 2578 | 2578 | ||
| 2579 | 2579 | ||
| 2580 | host% ddd linux | 2580 | host% ddd linux |
| @@ -2583,14 +2583,14 @@ · 2 unmodified lines | |||
| 2583 | 2583 | ||
| 2584 | 2584 | ||
| 2585 | 2585 | ||
| 2586 | +o With ps, get the pid of the gdb that ddd started. You can ask the | 2586 | o With ps, get the pid of the gdb that ddd started. You can ask the |
| 2587 | gdb to tell you, but for some reason that confuses things and | 2587 | gdb to tell you, but for some reason that confuses things and |
| 2588 | causes a hang. | 2588 | causes a hang. |
| 2589 | 2589 | ||
| 2590 | +o run UML with 'debug=parent gdb-pid=<pid>' added to the command line | 2590 | o run UML with 'debug=parent gdb-pid=<pid>' added to the command line |
| 2591 | - it will just sit there after you hit return | 2591 | - it will just sit there after you hit return |
| 2592 | 2592 | ||
| 2593 | +o type 'att 1' to the ddd gdb and you will see something like | 2593 | o type 'att 1' to the ddd gdb and you will see something like |
| 2594 | 2594 | ||
| 2595 | 2595 | ||
| 2596 | 0xa013dc51 in __kill () | 2596 | 0xa013dc51 in __kill () |
| @@ -2602,12 +2602,12 @@ · 5 unmodified lines | |||
| 2602 | 2602 | ||
| 2603 | 2603 | ||
| 2604 | 2604 | ||
| 2605 | +o At this point, type 'c', UML will boot up, and you can use ddd just | 2605 | o At this point, type 'c', UML will boot up, and you can use ddd just |
| 2606 | as you do on any other process. | 2606 | as you do on any other process. |
| 2607 | 2607 | ||
| 2608 | 2608 | ||
| 2609 | 2609 | ||
| 2610 | 1111..44.. DDeebbuuggggiinngg mmoodduulleess | 2610 | 11.4. Debugging modules |
| 2611 | 2611 | ||
| 2612 | gdb has support for debugging code which is dynamically loaded into | 2612 | gdb has support for debugging code which is dynamically loaded into |
| 2613 | the process. This support is what is needed to debug kernel modules | 2613 | the process. This support is what is needed to debug kernel modules |
| @@ -2823,7 +2823,7 @@ · 209 unmodified lines | |||
| 2823 | 2823 | ||
| 2824 | 2824 | ||
| 2825 | 2825 | ||
| 2826 | 1111..55.. AAttttaacchhiinngg ggddbb ttoo tthhee kkeerrnneell | 2826 | 11.5. Attaching gdb to the kernel |
| 2827 | 2827 | ||
| 2828 | If you don't have the kernel running under gdb, you can attach gdb to | 2828 | If you don't have the kernel running under gdb, you can attach gdb to |
| 2829 | it later by sending the tracing thread a SIGUSR1. The first line of | 2829 | it later by sending the tracing thread a SIGUSR1. The first line of |
| @@ -2857,7 +2857,7 @@ · 27 unmodified lines | |||
| 2857 | 2857 | ||
| 2858 | 2858 | ||
| 2859 | 2859 | ||
| 2860 | 1111..66.. UUssiinngg aalltteerrnnaattee ddeebbuuggggeerrss | 2860 | 11.6. Using alternate debuggers |
| 2861 | 2861 | ||
| 2862 | UML has support for attaching to an already running debugger rather | 2862 | UML has support for attaching to an already running debugger rather |
| 2863 | than starting gdb itself. This is present in CVS as of 17 Apr 2001. | 2863 | than starting gdb itself. This is present in CVS as of 17 Apr 2001. |
| @@ -2886,7 +2886,7 @@ · 22 unmodified lines | |||
| 2886 | An example of an alternate debugger is strace. You can strace the | 2886 | An example of an alternate debugger is strace. You can strace the |
| 2887 | actual kernel as follows: | 2887 | actual kernel as follows: |
| 2888 | 2888 | ||
| 2889 | +o Run the following in a shell | 2889 | o Run the following in a shell |
| 2890 | 2890 | ||
| 2891 | 2891 | ||
| 2892 | host% | 2892 | host% |
| @@ -2894,10 +2894,10 @@ · 1 unmodified line | |||
| 2894 | 2894 | ||
| 2895 | 2895 | ||
| 2896 | 2896 | ||
| 2897 | +o Run UML with 'debug' and 'gdb-pid=<pid>' with the pid printed out | 2897 | o Run UML with 'debug' and 'gdb-pid=<pid>' with the pid printed out |
| 2898 | by the previous command | 2898 | by the previous command |
| 2899 | 2899 | ||
| 2900 | +o Hit return in the shell, and UML will start running, and strace | 2900 | o Hit return in the shell, and UML will start running, and strace |
| 2901 | output will start accumulating in the output file. | 2901 | output will start accumulating in the output file. |
| 2902 | 2902 | ||
| 2903 | Note that this is different from running | 2903 | Note that this is different from running |
| @@ -2917,9 +2917,9 @@ · 13 unmodified lines | |||
| 2917 | 2917 | ||
| 2918 | 2918 | ||
| 2919 | 2919 | ||
| 2920 | 1122.. KKeerrnneell ddeebbuuggggiinngg eexxaammpplleess | 2920 | 12. Kernel debugging examples |
| 2921 | 2921 | ||
| 2922 | 1122..11.. TThhee ccaassee ooff tthhee hhuunngg ffsscckk | 2922 | 12.1. The case of the hung fsck |
| 2923 | 2923 | ||
| 2924 | When booting up the kernel, fsck failed, and dropped me into a shell | 2924 | When booting up the kernel, fsck failed, and dropped me into a shell |
| 2925 | to fix things up. I ran fsck -y, which hung: | 2925 | to fix things up. I ran fsck -y, which hung: |
| @@ -3154,9 +3154,9 @@ · 228 unmodified lines | |||
| 3154 | 3154 | ||
| 3155 | The interesting things here are : | 3155 | The interesting things here are : |
| 3156 | 3156 | ||
| 3157 | +o There are two segfaults on this stack (frames 9 and 14) | 3157 | o There are two segfaults on this stack (frames 9 and 14) |
| 3158 | 3158 | ||
| 3159 | +o The first faulting address (frame 11) is 0x50000800 | 3159 | o The first faulting address (frame 11) is 0x50000800 |
| 3160 | 3160 | ||
| 3161 | (gdb) p (void *)1342179328 | 3161 | (gdb) p (void *)1342179328 |
| 3162 | $16 = (void *) 0x50000800 | 3162 | $16 = (void *) 0x50000800 |
| @@ -3399,7 +3399,7 @@ · 236 unmodified lines | |||
| 3399 | on will be somewhat clearer. | 3399 | on will be somewhat clearer. |
| 3400 | 3400 | ||
| 3401 | 3401 | ||
| 3402 | 1122..22.. EEppiissooddee 22:: TThhee ccaassee ooff tthhee hhuunngg ffsscckk | 3402 | 12.2. Episode 2: The case of the hung fsck |
| 3403 | 3403 | ||
| 3404 | After setting a trap in the SEGV handler for accesses to the signal | 3404 | After setting a trap in the SEGV handler for accesses to the signal |
| 3405 | thread's stack, I reran the kernel. | 3405 | thread's stack, I reran the kernel. |
| @@ -3788,12 +3788,12 @@ · 382 unmodified lines | |||
| 3788 | 3788 | ||
| 3789 | 3789 | ||
| 3790 | 3790 | ||
| 3791 | 1133.. WWhhaatt ttoo ddoo wwhheenn UUMMLL ddooeessnn''tt wwoorrkk | 3791 | 13. What to do when UML doesn't work |
| 3792 | 3792 | ||
| 3793 | 3793 | ||
| 3794 | 3794 | ||
| 3795 | 3795 | ||
| 3796 | 1133..11.. SSttrraannggee ccoommppiillaattiioonn eerrrroorrss wwhheenn yyoouu bbuuiilldd ffrroomm ssoouurrccee | 3796 | 13.1. Strange compilation errors when you build from source |
| 3797 | 3797 | ||
| 3798 | As of test11, it is necessary to have "ARCH=um" in the environment or | 3798 | As of test11, it is necessary to have "ARCH=um" in the environment or |
| 3799 | on the make command line for all steps in building UML, including | 3799 | on the make command line for all steps in building UML, including |
| @@ -3824,8 +3824,8 @@ · 24 unmodified lines | |||
| 3824 | 3824 | ||
| 3825 | 3825 | ||
| 3826 | 3826 | ||
| 3827 | 1133..33.. AA vvaarriieettyy ooff ppaanniiccss aanndd hhaannggss wwiitthh //ttmmpp oonn aa rreeiisseerrffss ffiilleessyyss-- | 3827 | 13.3. A variety of panics and hangs with /tmp on a reiserfs filesys- |
| 3828 | tteemm | 3828 | tem |
| 3829 | 3829 | ||
| 3830 | I saw this on reiserfs 3.5.21 and it seems to be fixed in 3.5.27. | 3830 | I saw this on reiserfs 3.5.21 and it seems to be fixed in 3.5.27. |
| 3831 | Panics preceded by | 3831 | Panics preceded by |
| @@ -3842,8 +3842,8 @@ · 10 unmodified lines | |||
| 3842 | 3842 | ||
| 3843 | 3843 | ||
| 3844 | 3844 | ||
| 3845 | 1133..44.. TThhee ccoommppiillee ffaaiillss wwiitthh eerrrroorrss aabboouutt ccoonnfflliiccttiinngg ttyyppeess ffoorr | 3845 | 13.4. The compile fails with errors about conflicting types for |
| 3846 | ''ooppeenn'',, ''dduupp'',, aanndd ''wwaaiittppiidd'' | 3846 | 'open', 'dup', and 'waitpid' |
| 3847 | 3847 | ||
| 3848 | This happens when you build in /usr/src/linux. The UML build makes | 3848 | This happens when you build in /usr/src/linux. The UML build makes |
| 3849 | the include/asm link point to include/asm-um. /usr/include/asm points | 3849 | the include/asm link point to include/asm-um. /usr/include/asm points |
| @@ -3854,14 +3854,14 @@ · 4 unmodified lines | |||
| 3854 | 3854 | ||
| 3855 | 3855 | ||
| 3856 | 3856 | ||
| 3857 | 1133..55.. UUMMLL ddooeessnn''tt wwoorrkk wwhheenn //ttmmpp iiss aann NNFFSS ffiilleessyysstteemm | 3857 | 13.5. UML doesn't work when /tmp is an NFS filesystem |
| 3858 | 3858 | ||
| 3859 | This seems to be a similar situation with the ReiserFS problem above. | 3859 | This seems to be a similar situation with the ReiserFS problem above. |
| 3860 | Some versions of NFS seems not to handle mmap correctly, which UML | 3860 | Some versions of NFS seems not to handle mmap correctly, which UML |
| 3861 | depends on. The workaround is have /tmp be a non-NFS directory. | 3861 | depends on. The workaround is have /tmp be a non-NFS directory. |
| 3862 | 3862 | ||
| 3863 | 3863 | ||
| 3864 | 1133..66.. UUMMLL hhaannggss oonn bboooott wwhheenn ccoommppiilleedd wwiitthh ggpprrooff ssuuppppoorrtt | 3864 | 13.6. UML hangs on boot when compiled with gprof support |
| 3865 | 3865 | ||
| 3866 | If you build UML with gprof support and, early in the boot, it does | 3866 | If you build UML with gprof support and, early in the boot, it does |
| 3867 | this | 3867 | this |
| @@ -3878,7 +3878,7 @@ · 10 unmodified lines | |||
| 3878 | 3878 | ||
| 3879 | 3879 | ||
| 3880 | 3880 | ||
| 3881 | 1133..77.. ssyyssllooggdd ddiieess wwiitthh aa SSIIGGTTEERRMM oonn ssttaarrttuupp | 3881 | 13.7. syslogd dies with a SIGTERM on startup |
| 3882 | 3882 | ||
| 3883 | The exact boot error depends on the distribution that you're booting, | 3883 | The exact boot error depends on the distribution that you're booting, |
| 3884 | but Debian produces this: | 3884 | but Debian produces this: |
| @@ -3897,17 +3897,17 @@ · 12 unmodified lines | |||
| 3897 | 3897 | ||
| 3898 | 3898 | ||
| 3899 | 3899 | ||
| 3900 | 1133..88.. TTUUNN//TTAAPP nneettwwoorrkkiinngg ddooeessnn''tt wwoorrkk oonn aa 22..44 hhoosstt | 3900 | 13.8. TUN/TAP networking doesn't work on a 2.4 host |
| 3901 | 3901 | ||
| 3902 | There are a couple of problems which were | 3902 | There are a couple of problems which were |
| 3903 | <http://www.geocrawler.com/lists/3/SourceForge/597/0/> name="pointed | 3903 | <http://www.geocrawler.com/lists/3/SourceForge/597/0/> name="pointed |
| 3904 | out"> by Tim Robinson <timro at trkr dot net> | 3904 | out"> by Tim Robinson <timro at trkr dot net> |
| 3905 | 3905 | ||
| 3906 | +o It doesn't work on hosts running 2.4.7 (or thereabouts) or earlier. | 3906 | o It doesn't work on hosts running 2.4.7 (or thereabouts) or earlier. |
| 3907 | The fix is to upgrade to something more recent and then read the | 3907 | The fix is to upgrade to something more recent and then read the |
| 3908 | next item. | 3908 | next item. |
| 3909 | 3909 | ||
| 3910 | +o If you see | 3910 | o If you see |
| 3911 | 3911 | ||
| 3912 | 3912 | ||
| 3913 | File descriptor in bad state | 3913 | File descriptor in bad state |
| @@ -3921,8 +3921,8 @@ · 7 unmodified lines | |||
| 3921 | 3921 | ||
| 3922 | 3922 | ||
| 3923 | 3923 | ||
| 3924 | 1133..99.. YYoouu ccaann nneettwwoorrkk ttoo tthhee hhoosstt bbuutt nnoott ttoo ootthheerr mmaacchhiinneess oonn tthhee | 3924 | 13.9. You can network to the host but not to other machines on the |
| 3925 | nneett | 3925 | net |
| 3926 | 3926 | ||
| 3927 | If you can connect to the host, and the host can connect to UML, but | 3927 | If you can connect to the host, and the host can connect to UML, but |
| 3928 | you cannot connect to any other machines, then you may need to enable | 3928 | you cannot connect to any other machines, then you may need to enable |
| @@ -3972,7 +3972,7 @@ · 43 unmodified lines | |||
| 3972 | 3972 | ||
| 3973 | 3973 | ||
| 3974 | 3974 | ||
| 3975 | 1133..1100.. II hhaavvee nnoo rroooott aanndd II wwaanntt ttoo ssccrreeaamm | 3975 | 13.10. I have no root and I want to scream |
| 3976 | 3976 | ||
| 3977 | Thanks to Birgit Wahlich for telling me about this strange one. It | 3977 | Thanks to Birgit Wahlich for telling me about this strange one. It |
| 3978 | turns out that there's a limit of six environment variables on the | 3978 | turns out that there's a limit of six environment variables on the |
| @@ -3987,7 +3987,7 @@ · 8 unmodified lines | |||
| 3987 | 3987 | ||
| 3988 | 3988 | ||
| 3989 | 3989 | ||
| 3990 | 1133..1111.. UUMMLL bbuuiilldd ccoonnfflliicctt bbeettwweeeenn ppttrraaccee..hh aanndd uuccoonntteexxtt..hh | 3990 | 13.11. UML build conflict between ptrace.h and ucontext.h |
| 3991 | 3991 | ||
| 3992 | On some older systems, /usr/include/asm/ptrace.h and | 3992 | On some older systems, /usr/include/asm/ptrace.h and |
| 3993 | /usr/include/sys/ucontext.h define the same names. So, when they're | 3993 | /usr/include/sys/ucontext.h define the same names. So, when they're |
| @@ -4007,7 +4007,7 @@ · 13 unmodified lines | |||
| 4007 | 4007 | ||
| 4008 | 4008 | ||
| 4009 | 4009 | ||
| 4010 | 1133..1122.. TThhee UUMMLL BBooggooMMiippss iiss eexxaaccttllyy hhaallff tthhee hhoosstt''ss BBooggooMMiippss | 4010 | 13.12. The UML BogoMips is exactly half the host's BogoMips |
| 4011 | 4011 | ||
| 4012 | On i386 kernels, there are two ways of running the loop that is used | 4012 | On i386 kernels, there are two ways of running the loop that is used |
| 4013 | to calculate the BogoMips rating, using the TSC if it's there or using | 4013 | to calculate the BogoMips rating, using the TSC if it's there or using |
| @@ -4019,7 +4019,7 @@ · 5 unmodified lines | |||
| 4019 | 4019 | ||
| 4020 | 4020 | ||
| 4021 | 4021 | ||
| 4022 | 1133..1133.. WWhheenn yyoouu rruunn UUMMLL,, iitt iimmmmeeddiiaatteellyy sseeggffaauullttss | 4022 | 13.13. When you run UML, it immediately segfaults |
| 4023 | 4023 | ||
| 4024 | If the host is configured with the 2G/2G address space split, that's | 4024 | If the host is configured with the 2G/2G address space split, that's |
| 4025 | why. See ``UML on 2G/2G hosts'' for the details on getting UML to | 4025 | why. See ``UML on 2G/2G hosts'' for the details on getting UML to |
| @@ -4027,7 +4027,7 @@ · 1 unmodified line | |||
| 4027 | 4027 | ||
| 4028 | 4028 | ||
| 4029 | 4029 | ||
| 4030 | 1133..1144.. xxtteerrmmss aappppeeaarr,, tthheenn iimmmmeeddiiaatteellyy ddiissaappppeeaarr | 4030 | 13.14. xterms appear, then immediately disappear |
| 4031 | 4031 | ||
| 4032 | If you're running an up to date kernel with an old release of | 4032 | If you're running an up to date kernel with an old release of |
| 4033 | uml_utilities, the port-helper program will not work properly, so | 4033 | uml_utilities, the port-helper program will not work properly, so |
| @@ -4039,7 +4039,7 @@ · 5 unmodified lines | |||
| 4039 | 4039 | ||
| 4040 | 4040 | ||
| 4041 | 4041 | ||
| 4042 | 1133..1155.. AAnnyy ootthheerr ppaanniicc,, hhaanngg,, oorr ssttrraannggee bbeehhaavviioorr | 4042 | 13.15. Any other panic, hang, or strange behavior |
| 4043 | 4043 | ||
| 4044 | If you're seeing truly strange behavior, such as hangs or panics that | 4044 | If you're seeing truly strange behavior, such as hangs or panics that |
| 4045 | happen in random places, or you try running the debugger to see what's | 4045 | happen in random places, or you try running the debugger to see what's |
| @@ -4059,7 +4059,7 @@ · 13 unmodified lines | |||
| 4059 | 4059 | ||
| 4060 | If you want to be super-helpful, read ``Diagnosing Problems'' and | 4060 | If you want to be super-helpful, read ``Diagnosing Problems'' and |
| 4061 | follow the instructions contained therein. | 4061 | follow the instructions contained therein. |
| 4062 | 1144.. DDiiaaggnnoossiinngg PPrroobblleemmss | 4062 | 14. Diagnosing Problems |
| 4063 | 4063 | ||
| 4064 | 4064 | ||
| 4065 | If you get UML to crash, hang, or otherwise misbehave, you should | 4065 | If you get UML to crash, hang, or otherwise misbehave, you should |
| @@ -4078,7 +4078,7 @@ · 12 unmodified lines | |||
| 4078 | ``Kernel debugging'' UML first. | 4078 | ``Kernel debugging'' UML first. |
| 4079 | 4079 | ||
| 4080 | 4080 | ||
| 4081 | 1144..11.. CCaassee 11 :: NNoorrmmaall kkeerrnneell ppaanniiccss | 4081 | 14.1. Case 1 : Normal kernel panics |
| 4082 | 4082 | ||
| 4083 | The most common case is for a normal thread to panic. To debug this, | 4083 | The most common case is for a normal thread to panic. To debug this, |
| 4084 | you will need to run it under the debugger (add 'debug' to the command | 4084 | you will need to run it under the debugger (add 'debug' to the command |
| @@ -4128,7 +4128,7 @@ · 43 unmodified lines | |||
| 4128 | to get that information from the faulting ip. | 4128 | to get that information from the faulting ip. |
| 4129 | 4129 | ||
| 4130 | 4130 | ||
| 4131 | 1144..22.. CCaassee 22 :: TTrraacciinngg tthhrreeaadd ppaanniiccss | 4131 | 14.2. Case 2 : Tracing thread panics |
| 4132 | 4132 | ||
| 4133 | The less common and more painful case is when the tracing thread | 4133 | The less common and more painful case is when the tracing thread |
| 4134 | panics. In this case, the kernel debugger will be useless because it | 4134 | panics. In this case, the kernel debugger will be useless because it |
| @@ -4161,7 +4161,7 @@ · 26 unmodified lines | |||
| 4161 | backtrace in and wait for our crack debugging team to fix the problem. | 4161 | backtrace in and wait for our crack debugging team to fix the problem. |
| 4162 | 4162 | ||
| 4163 | 4163 | ||
| 4164 | 1144..33.. CCaassee 33 :: TTrraacciinngg tthhrreeaadd ppaanniiccss ccaauusseedd bbyy ootthheerr tthhrreeaaddss | 4164 | 14.3. Case 3 : Tracing thread panics caused by other threads |
| 4165 | 4165 | ||
| 4166 | However, there are cases where the misbehavior of another thread | 4166 | However, there are cases where the misbehavior of another thread |
| 4167 | caused the problem. The most common panic of this type is: | 4167 | caused the problem. The most common panic of this type is: |
| @@ -4227,7 +4227,7 @@ · 59 unmodified lines | |||
| 4227 | 4227 | ||
| 4228 | 4228 | ||
| 4229 | 4229 | ||
| 4230 | 1144..44.. CCaassee 44 :: HHaannggss | 4230 | 14.4. Case 4 : Hangs |
| 4231 | 4231 | ||
| 4232 | Hangs seem to be fairly rare, but they sometimes happen. When a hang | 4232 | Hangs seem to be fairly rare, but they sometimes happen. When a hang |
| 4233 | happens, we need a backtrace from the offending process. Run the | 4233 | happens, we need a backtrace from the offending process. Run the |
| @@ -4257,7 +4257,7 @@ · 23 unmodified lines | |||
| 4257 | 4257 | ||
| 4258 | 4258 | ||
| 4259 | 4259 | ||
| 4260 | 1155.. TThhaannkkss | 4260 | 15. Thanks |
| 4261 | 4261 | ||
| 4262 | 4262 | ||
| 4263 | A number of people have helped this project in various ways, and this | 4263 | A number of people have helped this project in various ways, and this |
| @@ -4274,20 +4274,20 @@ · 10 unmodified lines | |||
| 4274 | bookkeeping lapses and I forget about contributions. | 4274 | bookkeeping lapses and I forget about contributions. |
| 4275 | 4275 | ||
| 4276 | 4276 | ||
| 4277 | 1155..11.. CCooddee aanndd DDooccuummeennttaattiioonn | 4277 | 15.1. Code and Documentation |
| 4278 | 4278 | ||
| 4279 | Rusty Russell <rusty at linuxcare.com.au> - | 4279 | Rusty Russell <rusty at linuxcare.com.au> - |
| 4280 | 4280 | ||
| 4281 | +o wrote the HOWTO <http://user-mode- | 4281 | o wrote the HOWTO <http://user-mode- |
| 4282 | linux.sourceforge.net/UserModeLinux-HOWTO.html> | 4282 | linux.sourceforge.net/UserModeLinux-HOWTO.html> |
| 4283 | 4283 | ||
| 4284 | +o prodded me into making this project official and putting it on | 4284 | o prodded me into making this project official and putting it on |
| 4285 | SourceForge | 4285 | SourceForge |
| 4286 | 4286 | ||
| 4287 | +o came up with the way cool UML logo <http://user-mode- | 4287 | o came up with the way cool UML logo <http://user-mode- |
| 4288 | linux.sourceforge.net/uml-small.png> | 4288 | linux.sourceforge.net/uml-small.png> |
| 4289 | 4289 | ||
| 4290 | +o redid the config process | 4290 | o redid the config process |
| 4291 | 4291 | ||
| 4292 | 4292 | ||
| 4293 | Peter Moulder <reiter at netspace.net.au> - Fixed my config and build | 4293 | Peter Moulder <reiter at netspace.net.au> - Fixed my config and build |
| @@ -4296,18 +4296,18 @@ · 2 unmodified lines | |||
| 4296 | 4296 | ||
| 4297 | Bill Stearns <wstearns at pobox.com> - | 4297 | Bill Stearns <wstearns at pobox.com> - |
| 4298 | 4298 | ||
| 4299 | +o HOWTO updates | 4299 | o HOWTO updates |
| 4300 | 4300 | ||
| 4301 | +o lots of bug reports | 4301 | o lots of bug reports |
| 4302 | 4302 | ||
| 4303 | +o lots of testing | 4303 | o lots of testing |
| 4304 | 4304 | ||
| 4305 | +o dedicated a box (uml.ists.dartmouth.edu) to support UML development | 4305 | o dedicated a box (uml.ists.dartmouth.edu) to support UML development |
| 4306 | 4306 | ||
| 4307 | +o wrote the mkrootfs script, which allows bootable filesystems of | 4307 | o wrote the mkrootfs script, which allows bootable filesystems of |
| 4308 | RPM-based distributions to be cranked out | 4308 | RPM-based distributions to be cranked out |
| 4309 | 4309 | ||
| 4310 | +o cranked out a large number of filesystems with said script | 4310 | o cranked out a large number of filesystems with said script |
| 4311 | 4311 | ||
| 4312 | 4312 | ||
| 4313 | Jim Leu <jleu at mindspring.com> - Wrote the virtual ethernet driver | 4313 | Jim Leu <jleu at mindspring.com> - Wrote the virtual ethernet driver |
| @@ -4375,176 +4375,176 @@ · 61 unmodified lines | |||
| 4375 | 4375 | ||
| 4376 | David Coulson <http://davidcoulson.net> - | 4376 | David Coulson <http://davidcoulson.net> - |
| 4377 | 4377 | ||
| 4378 | +o Set up the usermodelinux.org <http://usermodelinux.org> site, | 4378 | o Set up the usermodelinux.org <http://usermodelinux.org> site, |
| 4379 | which is a great way of keeping the UML user community on top of | 4379 | which is a great way of keeping the UML user community on top of |
| 4380 | UML goings-on. | 4380 | UML goings-on. |
| 4381 | 4381 | ||
| 4382 | +o Site documentation and updates | 4382 | o Site documentation and updates |
| 4383 | 4383 | ||
| 4384 | +o Nifty little UML management daemon UMLd | 4384 | o Nifty little UML management daemon UMLd |
| 4385 | <http://uml.openconsultancy.com/umld/> | 4385 | <http://uml.openconsultancy.com/umld/> |
| 4386 | 4386 | ||
| 4387 | +o Lots of testing and bug reports | 4387 | o Lots of testing and bug reports |
| 4388 | 4388 | ||
| 4389 | 4389 | ||
| 4390 | 4390 | ||
| 4391 | 4391 | ||
| 4392 | 1155..22.. FFlluusshhiinngg oouutt bbuuggss | 4392 | 15.2. Flushing out bugs |
| 4393 | 4393 | ||
| 4394 | 4394 | ||
| 4395 | 4395 | ||
| 4396 | +o Yuri Pudgorodsky | 4396 | o Yuri Pudgorodsky |
| 4397 | 4397 | ||
| 4398 | +o Gerald Britton | 4398 | o Gerald Britton |
| 4399 | 4399 | ||
| 4400 | +o Ian Wehrman | 4400 | o Ian Wehrman |
| 4401 | 4401 | ||
| 4402 | +o Gord Lamb | 4402 | o Gord Lamb |
| 4403 | 4403 | ||
| 4404 | +o Eugene Koontz | 4404 | o Eugene Koontz |
| 4405 | 4405 | ||
| 4406 | +o John H. Hartman | 4406 | o John H. Hartman |
| 4407 | 4407 | ||
| 4408 | +o Anders Karlsson | 4408 | o Anders Karlsson |
| 4409 | 4409 | ||
| 4410 | +o Daniel Phillips | 4410 | o Daniel Phillips |
| 4411 | 4411 | ||
| 4412 | +o John Fremlin | 4412 | o John Fremlin |
| 4413 | 4413 | ||
| 4414 | +o Rainer Burgstaller | 4414 | o Rainer Burgstaller |
| 4415 | 4415 | ||
| 4416 | +o James Stevenson | 4416 | o James Stevenson |
| 4417 | 4417 | ||
| 4418 | +o Matt Clay | 4418 | o Matt Clay |
| 4419 | 4419 | ||
| 4420 | +o Cliff Jefferies | 4420 | o Cliff Jefferies |
| 4421 | 4421 | ||
| 4422 | +o Geoff Hoff | 4422 | o Geoff Hoff |
| 4423 | 4423 | ||
| 4424 | +o Lennert Buytenhek | 4424 | o Lennert Buytenhek |
| 4425 | 4425 | ||
| 4426 | +o Al Viro | 4426 | o Al Viro |
| 4427 | 4427 | ||
| 4428 | +o Frank Klingenhoefer | 4428 | o Frank Klingenhoefer |
| 4429 | 4429 | ||
| 4430 | +o Livio Baldini Soares | 4430 | o Livio Baldini Soares |
| 4431 | 4431 | ||
| 4432 | +o Jon Burgess | 4432 | o Jon Burgess |
| 4433 | 4433 | ||
| 4434 | +o Petru Paler | 4434 | o Petru Paler |
| 4435 | 4435 | ||
| 4436 | +o Paul | 4436 | o Paul |
| 4437 | 4437 | ||
| 4438 | +o Chris Reahard | 4438 | o Chris Reahard |
| 4439 | 4439 | ||
| 4440 | +o Sverker Nilsson | 4440 | o Sverker Nilsson |
| 4441 | 4441 | ||
| 4442 | +o Gong Su | 4442 | o Gong Su |
| 4443 | 4443 | ||
| 4444 | +o johan verrept | 4444 | o johan verrept |
| 4445 | 4445 | ||
| 4446 | +o Bjorn Eriksson | 4446 | o Bjorn Eriksson |
| 4447 | 4447 | ||
| 4448 | +o Lorenzo Allegrucci | 4448 | o Lorenzo Allegrucci |
| 4449 | 4449 | ||
| 4450 | +o Muli Ben-Yehuda | 4450 | o Muli Ben-Yehuda |
| 4451 | 4451 | ||
| 4452 | +o David Mansfield | 4452 | o David Mansfield |
| 4453 | 4453 | ||
| 4454 | +o Howard Goff | 4454 | o Howard Goff |
| 4455 | 4455 | ||
| 4456 | +o Mike Anderson | 4456 | o Mike Anderson |
| 4457 | 4457 | ||
| 4458 | +o John Byrne | 4458 | o John Byrne |
| 4459 | 4459 | ||
| 4460 | +o Sapan J. Batia | 4460 | o Sapan J. Batia |
| 4461 | 4461 | ||
| 4462 | +o Iris Huang | 4462 | o Iris Huang |
| 4463 | 4463 | ||
| 4464 | +o Jan Hudec | 4464 | o Jan Hudec |
| 4465 | 4465 | ||
| 4466 | +o Voluspa | 4466 | o Voluspa |
| 4467 | 4467 | ||
| 4468 | 4468 | ||
| 4469 | 4469 | ||
| 4470 | 4470 | ||
| 4471 | 1155..33.. BBuugglleettss aanndd cclleeaann--uuppss | 4471 | 15.3. Buglets and clean-ups |
| 4472 | 4472 | ||
| 4473 | 4473 | ||
| 4474 | 4474 | ||
| 4475 | +o Dave Zarzycki | 4475 | o Dave Zarzycki |
| 4476 | 4476 | ||
| 4477 | +o Adam Lazur | 4477 | o Adam Lazur |
| 4478 | 4478 | ||
| 4479 | +o Boria Feigin | 4479 | o Boria Feigin |
| 4480 | 4480 | ||
| 4481 | +o Brian J. Murrell | 4481 | o Brian J. Murrell |
| 4482 | 4482 | ||
| 4483 | +o JS | 4483 | o JS |
| 4484 | 4484 | ||
| 4485 | +o Roman Zippel | 4485 | o Roman Zippel |
| 4486 | 4486 | ||
| 4487 | +o Wil Cooley | 4487 | o Wil Cooley |
| 4488 | 4488 | ||
| 4489 | +o Ayelet Shemesh | 4489 | o Ayelet Shemesh |
| 4490 | 4490 | ||
| 4491 | +o Will Dyson | 4491 | o Will Dyson |
| 4492 | 4492 | ||
| 4493 | +o Sverker Nilsson | 4493 | o Sverker Nilsson |
| 4494 | 4494 | ||
| 4495 | +o dvorak | 4495 | o dvorak |
| 4496 | 4496 | ||
| 4497 | +o v.naga srinivas | 4497 | o v.naga srinivas |
| 4498 | 4498 | ||
| 4499 | +o Shlomi Fish | 4499 | o Shlomi Fish |
| 4500 | 4500 | ||
| 4501 | +o Roger Binns | 4501 | o Roger Binns |
| 4502 | 4502 | ||
| 4503 | +o johan verrept | 4503 | o johan verrept |
| 4504 | 4504 | ||
| 4505 | +o MrChuoi | 4505 | o MrChuoi |
| 4506 | 4506 | ||
| 4507 | +o Peter Cleve | 4507 | o Peter Cleve |
| 4508 | 4508 | ||
| 4509 | +o Vincent Guffens | 4509 | o Vincent Guffens |
| 4510 | 4510 | ||
| 4511 | +o Nathan Scott | 4511 | o Nathan Scott |
| 4512 | 4512 | ||
| 4513 | +o Patrick Caulfield | 4513 | o Patrick Caulfield |
| 4514 | 4514 | ||
| 4515 | +o jbearce | 4515 | o jbearce |
| 4516 | 4516 | ||
| 4517 | +o Catalin Marinas | 4517 | o Catalin Marinas |
| 4518 | 4518 | ||
| 4519 | +o Shane Spencer | 4519 | o Shane Spencer |
| 4520 | 4520 | ||
| 4521 | +o Zou Min | 4521 | o Zou Min |
| 4522 | 4522 | ||
| 4523 | 4523 | ||
| 4524 | +o Ryan Boder | 4524 | o Ryan Boder |
| 4525 | 4525 | ||
| 4526 | +o Lorenzo Colitti | 4526 | o Lorenzo Colitti |
| 4527 | 4527 | ||
| 4528 | +o Gwendal Grignou | 4528 | o Gwendal Grignou |
| 4529 | 4529 | ||
| 4530 | +o Andre' Breiler | 4530 | o Andre' Breiler |
| 4531 | 4531 | ||
| 4532 | +o Tsutomu Yasuda | 4532 | o Tsutomu Yasuda |
| 4533 | 4533 | ||
| 4534 | 4534 | ||
| 4535 | 4535 | ||
| 4536 | 1155..44.. CCaassee SSttuuddiieess | 4536 | 15.4. Case Studies |
| 4537 | 4537 | ||
| 4538 | 4538 | ||
| 4539 | +o Jon Wright | 4539 | o Jon Wright |
| 4540 | 4540 | ||
| 4541 | +o William McEwan | 4541 | o William McEwan |
| 4542 | 4542 | ||
| 4543 | +o Michael Richardson | 4543 | o Michael Richardson |
| 4544 | 4544 | ||
| 4545 | 4545 | ||
| 4546 | 4546 | ||
| 4547 | 1155..55.. OOtthheerr ccoonnttrriibbuuttiioonnss | 4547 | 15.5. Other contributions |
| 4548 | 4548 | ||
| 4549 | 4549 | ||
| 4550 | Bill Carr <Bill.Carr at compaq.com> made the Red Hat mkrootfs script | 4550 | Bill Carr <Bill.Carr at compaq.com> made the Red Hat mkrootfs script |
| @@ -30,8 +30,6 @@ page_migration · 29 unmodified lines | |||
| 30 | - description of page migration in NUMA systems. | 30 | - description of page migration in NUMA systems. |
| 31 | pagemap.txt | 31 | pagemap.txt |
| 32 | - pagemap, from the userspace perspective | 32 | - pagemap, from the userspace perspective |
| 33 | slabinfo.c | ||
| 34 | - source code for a tool to get reports about slabs. | ||
| 35 | slub.txt | 33 | slub.txt |
| 36 | - a short users guide for SLUB. | 34 | - a short users guide for SLUB. |
| 37 | unevictable-lru.txt | 35 | unevictable-lru.txt |
| @@ -0,0 +1,195 @@ | |||
| 1 | Converting old watchdog drivers to the watchdog framework | ||
| 2 | by Wolfram Sang <w.sang@pengutronix.de> | ||
| 3 | ========================================================= | ||
| 4 | |||
| 5 | Before the watchdog framework came into the kernel, every driver had to | ||
| 6 | implement the API on its own. Now, as the framework factored out the common | ||
| 7 | components, those drivers can be lightened making it a user of the framework. | ||
| 8 | This document shall guide you for this task. The necessary steps are described | ||
| 9 | as well as things to look out for. | ||
| 10 | |||
| 11 | |||
| 12 | Remove the file_operations struct | ||
| 13 | --------------------------------- | ||
| 14 | |||
| 15 | Old drivers define their own file_operations for actions like open(), write(), | ||
| 16 | etc... These are now handled by the framework and just call the driver when | ||
| 17 | needed. So, in general, the 'file_operations' struct and assorted functions can | ||
| 18 | go. Only very few driver-specific details have to be moved to other functions. | ||
| 19 | Here is a overview of the functions and probably needed actions: | ||
| 20 | |||
| 21 | - open: Everything dealing with resource management (file-open checks, magic | ||
| 22 | close preparations) can simply go. Device specific stuff needs to go to the | ||
| 23 | driver specific start-function. Note that for some drivers, the start-function | ||
| 24 | also serves as the ping-function. If that is the case and you need start/stop | ||
| 25 | to be balanced (clocks!), you are better off refactoring a separate start-function. | ||
| 26 | |||
| 27 | - close: Same hints as for open apply. | ||
| 28 | |||
| 29 | - write: Can simply go, all defined behaviour is taken care of by the framework, | ||
| 30 | i.e. ping on write and magic char ('V') handling. | ||
| 31 | |||
| 32 | - ioctl: While the driver is allowed to have extensions to the IOCTL interface, | ||
| 33 | the most common ones are handled by the framework, supported by some assistance | ||
| 34 | from the driver: | ||
| 35 | |||
| 36 | WDIOC_GETSUPPORT: | ||
| 37 | Returns the mandatory watchdog_info struct from the driver | ||
| 38 | |||
| 39 | WDIOC_GETSTATUS: | ||
| 40 | Needs the status-callback defined, otherwise returns 0 | ||
| 41 | |||
| 42 | WDIOC_GETBOOTSTATUS: | ||
| 43 | Needs the bootstatus member properly set. Make sure it is 0 if you | ||
| 44 | don't have further support! | ||
| 45 | |||
| 46 | WDIOC_SETOPTIONS: | ||
| 47 | No preparations needed | ||
| 48 | |||
| 49 | WDIOC_KEEPALIVE: | ||
| 50 | If wanted, options in watchdog_info need to have WDIOF_KEEPALIVEPING | ||
| 51 | set | ||
| 52 | |||
| 53 | WDIOC_SETTIMEOUT: | ||
| 54 | Options in watchdog_info need to have WDIOF_SETTIMEOUT set | ||
| 55 | and a set_timeout-callback has to be defined. The core will also | ||
| 56 | do limit-checking, if min_timeout and max_timeout in the watchdog | ||
| 57 | device are set. All is optional. | ||
| 58 | |||
| 59 | WDIOC_GETTIMEOUT: | ||
| 60 | No preparations needed | ||
| 61 | |||
| 62 | Other IOCTLs can be served using the ioctl-callback. Note that this is mainly | ||
| 63 | intended for porting old drivers; new drivers should not invent private IOCTLs. | ||
| 64 | Private IOCTLs are processed first. When the callback returns with | ||
| 65 | -ENOIOCTLCMD, the IOCTLs of the framework will be tried, too. Any other error | ||
| 66 | is directly given to the user. | ||
| 67 | |||
| 68 | Example conversion: | ||
| 69 | |||
| 70 | -static const struct file_operations s3c2410wdt_fops = { | ||
| 71 | - .owner = THIS_MODULE, | ||
| 72 | - .llseek = no_llseek, | ||
| 73 | - .write = s3c2410wdt_write, | ||
| 74 | - .unlocked_ioctl = s3c2410wdt_ioctl, | ||
| 75 | - .open = s3c2410wdt_open, | ||
| 76 | - .release = s3c2410wdt_release, | ||
| 77 | -}; | ||
| 78 | |||
| 79 | Check the functions for device-specific stuff and keep it for later | ||
| 80 | refactoring. The rest can go. | ||
| 81 | |||
| 82 | |||
| 83 | Remove the miscdevice | ||
| 84 | --------------------- | ||
| 85 | |||
| 86 | Since the file_operations are gone now, you can also remove the 'struct | ||
| 87 | miscdevice'. The framework will create it on watchdog_dev_register() called by | ||
| 88 | watchdog_register_device(). | ||
| 89 | |||
| 90 | -static struct miscdevice s3c2410wdt_miscdev = { | ||
| 91 | - .minor = WATCHDOG_MINOR, | ||
| 92 | - .name = "watchdog", | ||
| 93 | - .fops = &s3c2410wdt_fops, | ||
| 94 | -}; | ||
| 95 | |||
| 96 | |||
| 97 | Remove obsolete includes and defines | ||
| 98 | ------------------------------------ | ||
| 99 | |||
| 100 | Because of the simplifications, a few defines are probably unused now. Remove | ||
| 101 | them. Includes can be removed, too. For example: | ||
| 102 | |||
| 103 | - #include <linux/fs.h> | ||
| 104 | - #include <linux/miscdevice.h> (if MODULE_ALIAS_MISCDEV is not used) | ||
| 105 | - #include <linux/uaccess.h> (if no custom IOCTLs are used) | ||
| 106 | |||
| 107 | |||
| 108 | Add the watchdog operations | ||
| 109 | --------------------------- | ||
| 110 | |||
| 111 | All possible callbacks are defined in 'struct watchdog_ops'. You can find it | ||
| 112 | explained in 'watchdog-kernel-api.txt' in this directory. start(), stop() and | ||
| 113 | owner must be set, the rest are optional. You will easily find corresponding | ||
| 114 | functions in the old driver. Note that you will now get a pointer to the | ||
| 115 | watchdog_device as a parameter to these functions, so you probably have to | ||
| 116 | change the function header. Other changes are most likely not needed, because | ||
| 117 | here simply happens the direct hardware access. If you have device-specific | ||
| 118 | code left from the above steps, it should be refactored into these callbacks. | ||
| 119 | |||
| 120 | Here is a simple example: | ||
| 121 | |||
| 122 | +static struct watchdog_ops s3c2410wdt_ops = { | ||
| 123 | + .owner = THIS_MODULE, | ||
| 124 | + .start = s3c2410wdt_start, | ||
| 125 | + .stop = s3c2410wdt_stop, | ||
| 126 | + .ping = s3c2410wdt_keepalive, | ||
| 127 | + .set_timeout = s3c2410wdt_set_heartbeat, | ||
| 128 | +}; | ||
| 129 | |||
| 130 | A typical function-header change looks like: | ||
| 131 | |||
| 132 | -static void s3c2410wdt_keepalive(void) | ||
| 133 | +static int s3c2410wdt_keepalive(struct watchdog_device *wdd) | ||
| 134 | { | ||
| 135 | ... | ||
| 136 | + | ||
| 137 | + return 0; | ||
| 138 | } | ||
| 139 | |||
| 140 | ... | ||
| 141 | |||
| 142 | - s3c2410wdt_keepalive(); | ||
| 143 | + s3c2410wdt_keepalive(&s3c2410_wdd); | ||
| 144 | |||
| 145 | |||
| 146 | Add the watchdog device | ||
| 147 | ----------------------- | ||
| 148 | |||
| 149 | Now we need to create a 'struct watchdog_device' and populate it with the | ||
| 150 | necessary information for the framework. The struct is also explained in detail | ||
| 151 | in 'watchdog-kernel-api.txt' in this directory. We pass it the mandatory | ||
| 152 | watchdog_info struct and the newly created watchdog_ops. Often, old drivers | ||
| 153 | have their own record-keeping for things like bootstatus and timeout using | ||
| 154 | static variables. Those have to be converted to use the members in | ||
| 155 | watchdog_device. Note that the timeout values are unsigned int. Some drivers | ||
| 156 | use signed int, so this has to be converted, too. | ||
| 157 | |||
| 158 | Here is a simple example for a watchdog device: | ||
| 159 | |||
| 160 | +static struct watchdog_device s3c2410_wdd = { | ||
| 161 | + .info = &s3c2410_wdt_ident, | ||
| 162 | + .ops = &s3c2410wdt_ops, | ||
| 163 | +}; | ||
| 164 | |||
| 165 | |||
| 166 | Register the watchdog device | ||
| 167 | ---------------------------- | ||
| 168 | |||
| 169 | Replace misc_register(&miscdev) with watchdog_register_device(&watchdog_dev). | ||
| 170 | Make sure the return value gets checked and the error message, if present, | ||
| 171 | still fits. Also convert the unregister case. | ||
| 172 | |||
| 173 | - ret = misc_register(&s3c2410wdt_miscdev); | ||
| 174 | + ret = watchdog_register_device(&s3c2410_wdd); | ||
| 175 | |||
| 176 | ... | ||
| 177 | |||
| 178 | - misc_deregister(&s3c2410wdt_miscdev); | ||
| 179 | + watchdog_unregister_device(&s3c2410_wdd); | ||
| 180 | |||
| 181 | |||
| 182 | Update the Kconfig-entry | ||
| 183 | ------------------------ | ||
| 184 | |||
| 185 | The entry for the driver now needs to select WATCHDOG_CORE: | ||
| 186 | |||
| 187 | + select WATCHDOG_CORE | ||
| 188 | |||
| 189 | |||
| 190 | Create a patch and send it to upstream | ||
| 191 | -------------------------------------- | ||
| 192 | |||
| 193 | Make sure you understood Documentation/SubmittingPatches and send your patch to | ||
| 194 | linux-watchdog@vger.kernel.org. We are looking forward to it :) | ||
| 195 | |||
| @@ -27,9 +27,6 @@ Some of these entries are: · 26 unmodified lines | |||
| 27 | magically-generated functions that make their way to do_IRQ with | 27 | magically-generated functions that make their way to do_IRQ with |
| 28 | the interrupt number as a parameter. | 28 | the interrupt number as a parameter. |
| 29 | 29 | ||
| 30 | - emulate_vsyscall: int 0xcc, a special non-ABI entry used by | ||
| 31 | vsyscall emulation. | ||
| 32 | |||
| 33 | - APIC interrupts: Various special-purpose interrupts for things | 30 | - APIC interrupts: Various special-purpose interrupts for things |
| 34 | like TLB shootdown. | 31 | like TLB shootdown. |
| 35 | 32 | ||
| @@ -1,109 +0,0 @@ | |||
| 1 | Chinese translated version of Documentation/SubmitChecklist | ||
| 2 | |||
| 3 | If you have any comment or update to the content, please contact the | ||
| 4 | original document maintainer directly. However, if you have a problem | ||
| 5 | communicating in English you can also ask the Chinese maintainer for | ||
| 6 | help. Contact the Chinese maintainer if this translation is outdated | ||
| 7 | or if there is a problem with the translation. | ||
| 8 | |||
| 9 | Chinese maintainer: Harry Wei <harryxiyou@gmail.com> | ||
| 10 | --------------------------------------------------------------------- | ||
| 11 | Documentation/SubmitChecklist �����ķ��� | ||
| 12 | |||
| 13 | ��������ۻ���±��ĵ����ݣ���ֱ����ϵԭ�ĵ���ά���ߡ������ʹ��Ӣ�� | ||
| 14 | ���������ѵĻ���Ҳ���������İ�ά���������������������²���ʱ���߷� | ||
| 15 | ��������⣬����ϵ���İ�ά���ߡ� | ||
| 16 | |||
| 17 | ���İ�ά���ߣ� ������ Harry Wei <harryxiyou@gmail.com> | ||
| 18 | ���İ淭���ߣ� ������ Harry Wei <harryxiyou@gmail.com> | ||
| 19 | ���İ�У���ߣ� ������ Harry Wei <harryxiyou@gmail.com> | ||
| 20 | |||
| 21 | |||
| 22 | �������� | ||
| 23 | --------------------------------------------------------------------- | ||
| 24 | Linux�ں��ύ�嵥 | ||
| 25 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| 26 | |||
| 27 | ������һЩ�ں˿�����Ӧ�����Ļ������飬��������뿴���Լ����ں˲����ύ | ||
| 28 | �����ܵĸ��졣 | ||
| 29 | |||
| 30 | ��Щ���dz���Documentation/SubmittingPatches�ĵ������ṩ���Լ����� | ||
| 31 | �����ύLinux�ں˲�����˵���� | ||
| 32 | |||
| 33 | 1�������ʹ����һ��������ô��#include����/�����Ǹ����ܵ��Ǹ��ļ��� | ||
| 34 | ��Ҫ��������������붨��/�����Ǹ����ܵ�ͷ�ļ��� | ||
| 35 | |||
| 36 | 2������������û��߸���CONFIGѡ�� =y��=m������=n�� | ||
| 37 | ��Ҫ�б��뾯��/���� ��Ҫ�����Ӿ���/���� | ||
| 38 | |||
| 39 | 2b��ͨ�� allnoconfig, allmodconfig | ||
| 40 | |||
| 41 | 2c����ʹ�� 0=builddir �ɹ��ع��� | ||
| 42 | |||
| 43 | 3��ͨ��ʹ�ñ��ؽ�����빤��������һЩ�����������ڶ�CPU����Ϲ����� | ||
| 44 | |||
| 45 | 4��ppc64 ��һ���ܺõļ�齻�����Ŀ�ܣ���Ϊ�������ѡ�unsigned long�� | ||
| 46 | ��64λֵ��ʹ�á� | ||
| 47 | |||
| 48 | 5������Documentation/CodingStyle�ļ������ϸ����������㲹���������� | ||
| 49 | ʹ�ò�������������Υ��(scripts/checkpatch.pl)�����Ա�����ύ�� | ||
| 50 | ��Ӧ�õ����������㲹���е�����Υ�档 | ||
| 51 | |||
| 52 | 6���κθ��»��߸Ķ�CONFIGѡ����ܴ������ò˵��� | ||
| 53 | |||
| 54 | 7�����е�Kconfigѡ����¶�Ҫ��˵�����֡� | ||
| 55 | |||
| 56 | 8���Ѿ�������ܽ�����ص�Kconfig��ϡ����Ǻ���ͨ���������õ�--�����������½��� | ||
| 57 | |||
| 58 | 9�������м���ԡ� | ||
| 59 | |||
| 60 | 10��ʹ��'make checkstack'��'make namespacecheck'��飬Ȼ�������ҵ������⡣ | ||
| 61 | ע�⣺��ջ��鲻����ȷ�س������⣬�����κε�һ�������ڶ�ջ��ʹ�ö���512�ֽ� | ||
| 62 | ��Ҫ���ġ� | ||
| 63 | |||
| 64 | 11������kernel-doc��ȫ���ں�APIs�ļ�������Ҫ��̬�ĺ��������ǰ���Ҳ����ν���� | ||
| 65 | ʹ��'make htmldocs'����'make mandocs'�����kernel-doc��Ȼ�����κ� | ||
| 66 | ���ֵ����⡣ | ||
| 67 | |||
| 68 | 12���Ѿ�ͨ��CONFIG_PREEMPT, CONFIG_DEBUG_PREEMPT, | ||
| 69 | CONFIG_DEBUG_SLAB, CONFIG_DEBUG_PAGEALLOC, CONFIG_DEBUG_MUTEXES, | ||
| 70 | CONFIG_DEBUG_SPINLOCK, CONFIG_DEBUG_ATOMIC_SLEEP���ԣ�����ͬʱ�� | ||
| 71 | ʹ�ܡ� | ||
| 72 | |||
| 73 | 13���Ѿ�����������ʹ�û��߲�ʹ�� CONFIG_SMP �� CONFIG_PREEMPT����ִ��ʱ�䡣 | ||
| 74 | |||
| 75 | 14���������Ӱ��IO/Disk���ȵȣ��Ѿ�ͨ��ʹ�û��߲�ʹ�� CONFIG_LBDAF ���ԡ� | ||
| 76 | |||
| 77 | 15�����е�codepaths�Ѿ���ʹ����lockdep���ù��ܡ� | ||
| 78 | |||
| 79 | 16�����е�/proc��¼���¶�Ҫ�����ļ�����Documentation/Ŀ¼�¡� | ||
| 80 | |||
| 81 | 17�����е��ں������������¶�����¼��Documentation/kernel-parameters.txt�ļ��С� | ||
| 82 | |||
| 83 | 18�����е�ģ��������¶���MODULE_PARM_DESC()��¼�� | ||
| 84 | |||
| 85 | 19�����е��û��ռ�ӿڸ��¶�����¼��Documentation/ABI/���鿴Documentation/ABI/README | ||
| 86 | ���Ի�ø������Ϣ���ı��û��ռ�ӿڵIJ���Ӧ�ñ��ʼ�����linux-api@vger.kernel.org�� | ||
| 87 | |||
| 88 | 20��������Dz��Ƕ�ͨ��`make headers_check'�� | ||
| 89 | |||
| 90 | 21���Ѿ�ͨ����������slab��page-allocationʧ�ܼ�顣�鿴Documentation/fault-injection/�� | ||
| 91 | |||
| 92 | 22���¼����Դ���Ѿ�ͨ��`gcc -W'��ʹ��"make EXTRA_CFLAGS=-W"�����롣�����������ܶෳ�գ� | ||
| 93 | ���Ƕ���Ѱ��©�������洦������:"warning: comparison between signed and unsigned"�� | ||
| 94 | |||
| 95 | 23���������ϲ���-mm���������ٲ��ԣ�����ȷ�����ǷͲ��������е���������һ�����Լ���VM��VFS | ||
| 96 | ��������ϵͳ�и����仯�� | ||
| 97 | |||
| 98 | 24�����е��ڴ�����{e.g., barrier(), rmb(), wmb()}��Ҫ��Դ�����е�һ��ע�����������Ƕ��Ǹ�ʲô�� | ||
| 99 | �Լ�ԭ�� | ||
| 100 | |||
| 101 | 25��������κ�����������ƵIJ��������ӣ�ҲҪ����Documentation/ioctl/ioctl-number.txt�� | ||
| 102 | |||
| 103 | 26�������ĸ��Ĵ�����������ʹ���κε��ں�APIs�����������kconfig�����й�ϵ�Ĺ��ܣ����Ҫ | ||
| 104 | ʹ����ص�kconfig���Źرգ� and/or =m�����ѡ���ṩ��[��ͬһʱ�䲻�����õĶ����ã����������������� | ||
| 105 | �������]�� | ||
| 106 | |||
| 107 | CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI, | ||
| 108 | CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ, | ||
| 109 | CONFIG_NET, CONFIG_INET=n (��һ��ʹ�� CONFIG_NET=y) | ||
| @@ -88,11 +88,13 @@ $(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild · 87 unmodified lines | |||
| 88 | # 3) Check for missing system calls | 88 | # 3) Check for missing system calls |
| 89 | # | 89 | # |
| 90 | 90 | ||
| 91 | always += missing-syscalls | ||
| 92 | targets += missing-syscalls | ||
| 93 | |||
| 91 | quiet_cmd_syscalls = CALL $< | 94 | quiet_cmd_syscalls = CALL $< |
| 92 | cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) | 95 | cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) |
| 93 | 96 | ||
| 94 | PHONY += missing-syscalls | 97 | missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE |
| 95 | missing-syscalls: scripts/checksyscalls.sh FORCE | ||
| 96 | $(call cmd,syscalls) | 98 | $(call cmd,syscalls) |
| 97 | 99 | ||
| 98 | # Keep these two files during make clean | 100 | # Keep these two files during make clean |
| @@ -117,20 +117,20 @@ Maintainers List (try to look for most precise areas first) · 116 unmodified lines | |||
| 117 | M: Philip Blundell <philb@gnu.org> | 117 | M: Philip Blundell <philb@gnu.org> |
| 118 | L: netdev@vger.kernel.org | 118 | L: netdev@vger.kernel.org |
| 119 | S: Maintained | 119 | S: Maintained |
| 120 | F: drivers/net/3c505* | 120 | F: drivers/net/ethernet/i825xx/3c505* |
| 121 | 121 | ||
| 122 | 3C59X NETWORK DRIVER | 122 | 3C59X NETWORK DRIVER |
| 123 | M: Steffen Klassert <klassert@mathematik.tu-chemnitz.de> | 123 | M: Steffen Klassert <klassert@mathematik.tu-chemnitz.de> |
| 124 | L: netdev@vger.kernel.org | 124 | L: netdev@vger.kernel.org |
| 125 | S: Maintained | 125 | S: Maintained |
| 126 | F: Documentation/networking/vortex.txt | 126 | F: Documentation/networking/vortex.txt |
| 127 | F: drivers/net/3c59x.c | 127 | F: drivers/net/ethernet/3com/3c59x.c |
| 128 | 128 | ||
| 129 | 3CR990 NETWORK DRIVER | 129 | 3CR990 NETWORK DRIVER |
| 130 | M: David Dillow <dave@thedillows.org> | 130 | M: David Dillow <dave@thedillows.org> |
| 131 | L: netdev@vger.kernel.org | 131 | L: netdev@vger.kernel.org |
| 132 | S: Maintained | 132 | S: Maintained |
| 133 | F: drivers/net/typhoon* | 133 | F: drivers/net/ethernet/3com/typhoon* |
| 134 | 134 | ||
| 135 | 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS) | 135 | 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS) |
| 136 | M: Adam Radford <linuxraid@lsi.com> | 136 | M: Adam Radford <linuxraid@lsi.com> |
| @@ -156,7 +156,7 @@ M: Realtek linux nic maintainers <nic_swsd@realtek.com> · 19 unmodified lines | |||
| 156 | M: Francois Romieu <romieu@fr.zoreil.com> | 156 | M: Francois Romieu <romieu@fr.zoreil.com> |
| 157 | L: netdev@vger.kernel.org | 157 | L: netdev@vger.kernel.org |
| 158 | S: Maintained | 158 | S: Maintained |
| 159 | F: drivers/net/r8169.c | 159 | F: drivers/net/ethernet/realtek/r8169.c |
| 160 | 160 | ||
| 161 | 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER | 161 | 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER |
| 162 | M: Greg Kroah-Hartman <gregkh@suse.de> | 162 | M: Greg Kroah-Hartman <gregkh@suse.de> |
| @@ -170,8 +170,7 @@ F: include/linux/serial_8250.h · 7 unmodified lines | |||
| 170 | 8390 NETWORK DRIVERS [WD80x3/SMC-ELITE, SMC-ULTRA, NE2000, 3C503, etc.] | 170 | 8390 NETWORK DRIVERS [WD80x3/SMC-ELITE, SMC-ULTRA, NE2000, 3C503, etc.] |
| 171 | L: netdev@vger.kernel.org | 171 | L: netdev@vger.kernel.org |
| 172 | S: Orphan / Obsolete | 172 | S: Orphan / Obsolete |
| 173 | F: drivers/net/*8390* | 173 | F: drivers/net/ethernet/8390/ |
| 174 | F: drivers/net/ax88796.c | ||
| 175 | 174 | ||
| 176 | 9P FILE SYSTEM | 175 | 9P FILE SYSTEM |
| 177 | M: Eric Van Hensbergen <ericvh@gmail.com> | 176 | M: Eric Van Hensbergen <ericvh@gmail.com> |
| @@ -214,7 +213,7 @@ ACENIC DRIVER · 36 unmodified lines | |||
| 214 | M: Jes Sorensen <jes@trained-monkey.org> | 213 | M: Jes Sorensen <jes@trained-monkey.org> |
| 215 | L: linux-acenic@sunsite.dk | 214 | L: linux-acenic@sunsite.dk |
| 216 | S: Maintained | 215 | S: Maintained |
| 217 | F: drivers/net/acenic* | 216 | F: drivers/net/ethernet/alteon/acenic* |
| 218 | 217 | ||
| 219 | ACER ASPIRE ONE TEMPERATURE AND FAN DRIVER | 218 | ACER ASPIRE ONE TEMPERATURE AND FAN DRIVER |
| 220 | M: Peter Feuerer <peter@piie.net> | 219 | M: Peter Feuerer <peter@piie.net> |
| @@ -317,6 +316,10 @@ W: http://wiki.analog.com/AD7879 · 96 unmodified lines | |||
| 317 | S: Supported | 316 | S: Supported |
| 318 | F: drivers/input/touchscreen/ad7879.c | 317 | F: drivers/input/touchscreen/ad7879.c |
| 319 | 318 | ||
| 319 | ADDRESS SPACE LAYOUT RANDOMIZATION (ASLR) | ||
| 320 | M: Jiri Kosina <jkosina@suse.cz> | ||
| 321 | S: Maintained | ||
| 322 | |||
| 320 | ADM1025 HARDWARE MONITOR DRIVER | 323 | ADM1025 HARDWARE MONITOR DRIVER |
| 321 | M: Jean Delvare <khali@linux-fr.org> | 324 | M: Jean Delvare <khali@linux-fr.org> |
| 322 | L: lm-sensors@lm-sensors.org | 325 | L: lm-sensors@lm-sensors.org |
| @@ -530,6 +533,7 @@ S: Maintained · 207 unmodified lines | |||
| 530 | F: drivers/infiniband/hw/amso1100/ | 533 | F: drivers/infiniband/hw/amso1100/ |
| 531 | 534 | ||
| 532 | ANALOG DEVICES INC ASOC CODEC DRIVERS | 535 | ANALOG DEVICES INC ASOC CODEC DRIVERS |
| 536 | M: Lars-Peter Clausen <lars@metafoo.de> | ||
| 533 | L: device-drivers-devel@blackfin.uclinux.org | 537 | L: device-drivers-devel@blackfin.uclinux.org |
| 534 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 538 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| 535 | W: http://wiki.analog.com/ | 539 | W: http://wiki.analog.com/ |
| @@ -688,6 +692,12 @@ F: drivers/mtd/nand/bcm_umi_nand.c · 152 unmodified lines | |||
| 688 | F: drivers/mtd/nand/bcm_umi_bch.c | 692 | F: drivers/mtd/nand/bcm_umi_bch.c |
| 689 | F: drivers/mtd/nand/nand_bcm_umi.h | 693 | F: drivers/mtd/nand/nand_bcm_umi.h |
| 690 | 694 | ||
| 695 | ARM/CALXEDA HIGHBANK ARCHITECTURE | ||
| 696 | M: Rob Herring <rob.herring@calxeda.com> | ||
| 697 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | ||
| 698 | S: Maintained | ||
| 699 | F: arch/arm/mach-highbank/ | ||
| 700 | |||
| 691 | ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT | 701 | ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT |
| 692 | M: Anton Vorontsov <avorontsov@mvista.com> | 702 | M: Anton Vorontsov <avorontsov@mvista.com> |
| 693 | S: Maintained | 703 | S: Maintained |
| @@ -746,7 +756,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) · 52 unmodified lines | |||
| 746 | W: http://www.arm.linux.org.uk/ | 756 | W: http://www.arm.linux.org.uk/ |
| 747 | S: Maintained | 757 | S: Maintained |
| 748 | F: arch/arm/mach-ebsa110/ | 758 | F: arch/arm/mach-ebsa110/ |
| 749 | F: drivers/net/arm/am79c961a.* | 759 | F: drivers/net/ethernet/amd/am79c961a.* |
| 750 | 760 | ||
| 751 | ARM/EZX SMARTPHONES (A780, A910, A1200, E680, ROKR E2 and ROKR E6) | 761 | ARM/EZX SMARTPHONES (A780, A910, A1200, E680, ROKR E2 and ROKR E6) |
| 752 | M: Daniel Ribeiro <drwyrm@gmail.com> | 762 | M: Daniel Ribeiro <drwyrm@gmail.com> |
| @@ -787,6 +797,13 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) · 34 unmodified lines | |||
| 787 | S: Maintained | 797 | S: Maintained |
| 788 | F: arch/arm/mach-mx5/ | 798 | F: arch/arm/mach-mx5/ |
| 789 | 799 | ||
| 800 | ARM/FREESCALE IMX6 | ||
| 801 | M: Shawn Guo <shawn.guo@linaro.org> | ||
| 802 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | ||
| 803 | S: Maintained | ||
| 804 | T: git git://git.linaro.org/people/shawnguo/linux-2.6.git | ||
| 805 | F: arch/arm/mach-imx/*imx6* | ||
| 806 | |||
| 790 | ARM/GLOMATION GESBC9312SX MACHINE SUPPORT | 807 | ARM/GLOMATION GESBC9312SX MACHINE SUPPORT |
| 791 | M: Lennert Buytenhek <kernel@wantstofly.org> | 808 | M: Lennert Buytenhek <kernel@wantstofly.org> |
| 792 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | 809 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) |
| @@ -1015,7 +1032,9 @@ F: arch/arm/include/asm/hardware/ioc.h · 222 unmodified lines | |||
| 1015 | F: arch/arm/include/asm/hardware/iomd.h | 1032 | F: arch/arm/include/asm/hardware/iomd.h |
| 1016 | F: arch/arm/include/asm/hardware/memc.h | 1033 | F: arch/arm/include/asm/hardware/memc.h |
| 1017 | F: arch/arm/mach-rpc/ | 1034 | F: arch/arm/mach-rpc/ |
| 1018 | F: drivers/net/arm/ether* | 1035 | F: drivers/net/ethernet/8390/etherh.c |
| 1036 | F: drivers/net/ethernet/i825xx/ether1* | ||
| 1037 | F: drivers/net/ethernet/seeq/ether3* | ||
| 1019 | F: drivers/scsi/arm/ | 1038 | F: drivers/scsi/arm/ |
| 1020 | 1039 | ||
| 1021 | ARM/SHARK MACHINE SUPPORT | 1040 | ARM/SHARK MACHINE SUPPORT |
| @@ -1084,6 +1103,25 @@ F: arch/arm/plat-s5p/dev-fimc* · 62 unmodified lines | |||
| 1084 | F: arch/arm/plat-samsung/include/plat/*fimc* | 1103 | F: arch/arm/plat-samsung/include/plat/*fimc* |
| 1085 | F: drivers/media/video/s5p-fimc/ | 1104 | F: drivers/media/video/s5p-fimc/ |
| 1086 | 1105 | ||
| 1106 | ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT | ||
| 1107 | M: Kyungmin Park <kyungmin.park@samsung.com> | ||
| 1108 | M: Kamil Debski <k.debski@samsung.com> | ||
| 1109 | M: Jeongtae Park <jtp.park@samsung.com> | ||
| 1110 | L: linux-arm-kernel@lists.infradead.org | ||
| 1111 | L: linux-media@vger.kernel.org | ||
| 1112 | S: Maintained | ||
| 1113 | F: arch/arm/plat-s5p/dev-mfc.c | ||
| 1114 | F: drivers/media/video/s5p-mfc/ | ||
| 1115 | |||
| 1116 | ARM/SAMSUNG S5P SERIES TV SUBSYSTEM SUPPORT | ||
| 1117 | M: Kyungmin Park <kyungmin.park@samsung.com> | ||
| 1118 | M: Tomasz Stanislawski <t.stanislaws@samsung.com> | ||
| 1119 | L: linux-arm-kernel@lists.infradead.org | ||
| 1120 | L: linux-media@vger.kernel.org | ||
| 1121 | S: Maintained | ||
| 1122 | F: arch/arm/plat-s5p/dev-tv.c | ||
| 1123 | F: drivers/media/video/s5p-tv/ | ||
| 1124 | |||
| 1087 | ARM/SHMOBILE ARM ARCHITECTURE | 1125 | ARM/SHMOBILE ARM ARCHITECTURE |
| 1088 | M: Paul Mundt <lethal@linux-sh.org> | 1126 | M: Paul Mundt <lethal@linux-sh.org> |
| 1089 | M: Magnus Damm <magnus.damm@gmail.com> | 1127 | M: Magnus Damm <magnus.damm@gmail.com> |
| @@ -1127,7 +1165,7 @@ F: arch/arm/mach-nuc93x/ · 37 unmodified lines | |||
| 1127 | F: drivers/input/keyboard/w90p910_keypad.c | 1165 | F: drivers/input/keyboard/w90p910_keypad.c |
| 1128 | F: drivers/input/touchscreen/w90p910_ts.c | 1166 | F: drivers/input/touchscreen/w90p910_ts.c |
| 1129 | F: drivers/watchdog/nuc900_wdt.c | 1167 | F: drivers/watchdog/nuc900_wdt.c |
| 1130 | F: drivers/net/arm/w90p910_ether.c | 1168 | F: drivers/net/ethernet/nuvoton/w90p910_ether.c |
| 1131 | F: drivers/mtd/nand/nuc900_nand.c | 1169 | F: drivers/mtd/nand/nuc900_nand.c |
| 1132 | F: drivers/rtc/rtc-nuc900.c | 1170 | F: drivers/rtc/rtc-nuc900.c |
| 1133 | F: drivers/spi/spi_nuc900.c | 1171 | F: drivers/spi/spi_nuc900.c |
| @@ -1230,7 +1268,7 @@ F: Documentation/aoe/ · 96 unmodified lines | |||
| 1230 | F: drivers/block/aoe/ | 1268 | F: drivers/block/aoe/ |
| 1231 | 1269 | ||
| 1232 | ATHEROS ATH GENERIC UTILITIES | 1270 | ATHEROS ATH GENERIC UTILITIES |
| 1233 | M: "Luis R. Rodriguez" <lrodriguez@atheros.com> | 1271 | M: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> |
| 1234 | L: linux-wireless@vger.kernel.org | 1272 | L: linux-wireless@vger.kernel.org |
| 1235 | S: Supported | 1273 | S: Supported |
| 1236 | F: drivers/net/wireless/ath/* | 1274 | F: drivers/net/wireless/ath/* |
| @@ -1238,7 +1276,7 @@ F: drivers/net/wireless/ath/* · 1 unmodified line | |||
| 1238 | ATHEROS ATH5K WIRELESS DRIVER | 1276 | ATHEROS ATH5K WIRELESS DRIVER |
| 1239 | M: Jiri Slaby <jirislaby@gmail.com> | 1277 | M: Jiri Slaby <jirislaby@gmail.com> |
| 1240 | M: Nick Kossifidis <mickflemm@gmail.com> | 1278 | M: Nick Kossifidis <mickflemm@gmail.com> |
| 1241 | M: "Luis R. Rodriguez" <lrodriguez@atheros.com> | 1279 | M: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> |
| 1242 | M: Bob Copeland <me@bobcopeland.com> | 1280 | M: Bob Copeland <me@bobcopeland.com> |
| 1243 | L: linux-wireless@vger.kernel.org | 1281 | L: linux-wireless@vger.kernel.org |
| 1244 | L: ath5k-devel@lists.ath5k.org | 1282 | L: ath5k-devel@lists.ath5k.org |
| @@ -1246,11 +1284,19 @@ W: http://wireless.kernel.org/en/users/Drivers/ath5k · 1 unmodified line | |||
| 1246 | S: Maintained | 1284 | S: Maintained |
| 1247 | F: drivers/net/wireless/ath/ath5k/ | 1285 | F: drivers/net/wireless/ath/ath5k/ |
| 1248 | 1286 | ||
| 1287 | ATHEROS ATH6KL WIRELESS DRIVER | ||
| 1288 | M: Kalle Valo <kvalo@qca.qualcomm.com> | ||
| 1289 | L: linux-wireless@vger.kernel.org | ||
| 1290 | W: http://wireless.kernel.org/en/users/Drivers/ath6kl | ||
| 1291 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl.git | ||
| 1292 | S: Supported | ||
| 1293 | F: drivers/net/wireless/ath/ath6kl/ | ||
| 1294 | |||
| 1249 | ATHEROS ATH9K WIRELESS DRIVER | 1295 | ATHEROS ATH9K WIRELESS DRIVER |
| 1250 | M: "Luis R. Rodriguez" <lrodriguez@atheros.com> | 1296 | M: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> |
| 1251 | M: Jouni Malinen <jmalinen@atheros.com> | 1297 | M: Jouni Malinen <jouni@qca.qualcomm.com> |
| 1252 | M: Vasanthakumar Thiagarajan <vasanth@atheros.com> | 1298 | M: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> |
| 1253 | M: Senthil Balasubramanian <senthilkumar@atheros.com> | 1299 | M: Senthil Balasubramanian <senthilb@qca.qualcomm.com> |
| 1254 | L: linux-wireless@vger.kernel.org | 1300 | L: linux-wireless@vger.kernel.org |
| 1255 | L: ath9k-devel@lists.ath9k.org | 1301 | L: ath9k-devel@lists.ath9k.org |
| 1256 | W: http://wireless.kernel.org/en/users/Drivers/ath9k | 1302 | W: http://wireless.kernel.org/en/users/Drivers/ath9k |
| @@ -1282,7 +1328,7 @@ L: netdev@vger.kernel.org · 25 unmodified lines | |||
| 1282 | W: http://sourceforge.net/projects/atl1 | 1328 | W: http://sourceforge.net/projects/atl1 |
| 1283 | W: http://atl1.sourceforge.net | 1329 | W: http://atl1.sourceforge.net |
| 1284 | S: Maintained | 1330 | S: Maintained |
| 1285 | F: drivers/net/atlx/ | 1331 | F: drivers/net/ethernet/atheros/ |
| 1286 | 1332 | ||
| 1287 | ATM | 1333 | ATM |
| 1288 | M: Chas Williams <chas@cmf.nrl.navy.mil> | 1334 | M: Chas Williams <chas@cmf.nrl.navy.mil> |
| @@ -1322,7 +1368,7 @@ F: include/video/atmel_lcdc.h · 33 unmodified lines | |||
| 1322 | ATMEL MACB ETHERNET DRIVER | 1368 | ATMEL MACB ETHERNET DRIVER |
| 1323 | M: Nicolas Ferre <nicolas.ferre@atmel.com> | 1369 | M: Nicolas Ferre <nicolas.ferre@atmel.com> |
| 1324 | S: Supported | 1370 | S: Supported |
| 1325 | F: drivers/net/macb.* | 1371 | F: drivers/net/ethernet/cadence/ |
| 1326 | 1372 | ||
| 1327 | ATMEL SPI DRIVER | 1373 | ATMEL SPI DRIVER |
| 1328 | M: Nicolas Ferre <nicolas.ferre@atmel.com> | 1374 | M: Nicolas Ferre <nicolas.ferre@atmel.com> |
| @@ -1445,7 +1491,7 @@ BLACKFIN EMAC DRIVER · 116 unmodified lines | |||
| 1445 | L: uclinux-dist-devel@blackfin.uclinux.org | 1491 | L: uclinux-dist-devel@blackfin.uclinux.org |
| 1446 | W: http://blackfin.uclinux.org | 1492 | W: http://blackfin.uclinux.org |
| 1447 | S: Supported | 1493 | S: Supported |
| 1448 | F: drivers/net/bfin_mac.* | 1494 | F: drivers/net/ethernet/adi/ |
| 1449 | 1495 | ||
| 1450 | BLACKFIN RTC DRIVER | 1496 | BLACKFIN RTC DRIVER |
| 1451 | M: Mike Frysinger <vapier.adi@gmail.com> | 1497 | M: Mike Frysinger <vapier.adi@gmail.com> |
| @@ -1526,27 +1572,27 @@ BROADCOM B44 10/100 ETHERNET DRIVER · 74 unmodified lines | |||
| 1526 | M: Gary Zambrano <zambrano@broadcom.com> | 1572 | M: Gary Zambrano <zambrano@broadcom.com> |
| 1527 | L: netdev@vger.kernel.org | 1573 | L: netdev@vger.kernel.org |
| 1528 | S: Supported | 1574 | S: Supported |
| 1529 | F: drivers/net/b44.* | 1575 | F: drivers/net/ethernet/broadcom/b44.* |
| 1530 | 1576 | ||
| 1531 | BROADCOM BNX2 GIGABIT ETHERNET DRIVER | 1577 | BROADCOM BNX2 GIGABIT ETHERNET DRIVER |
| 1532 | M: Michael Chan <mchan@broadcom.com> | 1578 | M: Michael Chan <mchan@broadcom.com> |
| 1533 | L: netdev@vger.kernel.org | 1579 | L: netdev@vger.kernel.org |
| 1534 | S: Supported | 1580 | S: Supported |
| 1535 | F: drivers/net/bnx2.* | 1581 | F: drivers/net/ethernet/broadcom/bnx2.* |
| 1536 | F: drivers/net/bnx2_* | 1582 | F: drivers/net/ethernet/broadcom/bnx2_* |
| 1537 | 1583 | ||
| 1538 | BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER | 1584 | BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER |
| 1539 | M: Eilon Greenstein <eilong@broadcom.com> | 1585 | M: Eilon Greenstein <eilong@broadcom.com> |
| 1540 | L: netdev@vger.kernel.org | 1586 | L: netdev@vger.kernel.org |
| 1541 | S: Supported | 1587 | S: Supported |
| 1542 | F: drivers/net/bnx2x/ | 1588 | F: drivers/net/ethernet/broadcom/bnx2x/ |
| 1543 | 1589 | ||
| 1544 | BROADCOM TG3 GIGABIT ETHERNET DRIVER | 1590 | BROADCOM TG3 GIGABIT ETHERNET DRIVER |
| 1545 | M: Matt Carlson <mcarlson@broadcom.com> | 1591 | M: Matt Carlson <mcarlson@broadcom.com> |
| 1546 | M: Michael Chan <mchan@broadcom.com> | 1592 | M: Michael Chan <mchan@broadcom.com> |
| 1547 | L: netdev@vger.kernel.org | 1593 | L: netdev@vger.kernel.org |
| 1548 | S: Supported | 1594 | S: Supported |
| 1549 | F: drivers/net/tg3.* | 1595 | F: drivers/net/ethernet/broadcom/tg3.* |
| 1550 | 1596 | ||
| 1551 | BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER | 1597 | BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER |
| 1552 | M: Brett Rudley <brudley@broadcom.com> | 1598 | M: Brett Rudley <brudley@broadcom.com> |
| @@ -1575,7 +1621,7 @@ BROCADE BNA 10 GIGABIT ETHERNET DRIVER · 22 unmodified lines | |||
| 1575 | M: Rasesh Mody <rmody@brocade.com> | 1621 | M: Rasesh Mody <rmody@brocade.com> |
| 1576 | L: netdev@vger.kernel.org | 1622 | L: netdev@vger.kernel.org |
| 1577 | S: Supported | 1623 | S: Supported |
| 1578 | F: drivers/net/bna/ | 1624 | F: drivers/net/ethernet/brocade/bna/ |
| 1579 | 1625 | ||
| 1580 | BSG (block layer generic sg v4 driver) | 1626 | BSG (block layer generic sg v4 driver) |
| 1581 | M: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 1627 | M: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> |
| @@ -1663,7 +1709,7 @@ CAN NETWORK LAYER · 81 unmodified lines | |||
| 1663 | M: Oliver Hartkopp <socketcan@hartkopp.net> | 1709 | M: Oliver Hartkopp <socketcan@hartkopp.net> |
| 1664 | M: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> | 1710 | M: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> |
| 1665 | M: Urs Thuermann <urs.thuermann@volkswagen.de> | 1711 | M: Urs Thuermann <urs.thuermann@volkswagen.de> |
| 1666 | L: socketcan-core@lists.berlios.de (subscribers-only) | 1712 | L: linux-can@vger.kernel.org |
| 1667 | L: netdev@vger.kernel.org | 1713 | L: netdev@vger.kernel.org |
| 1668 | W: http://developer.berlios.de/projects/socketcan/ | 1714 | W: http://developer.berlios.de/projects/socketcan/ |
| 1669 | S: Maintained | 1715 | S: Maintained |
| @@ -1672,10 +1718,11 @@ F: include/linux/can.h · 2 unmodified lines | |||
| 1672 | F: include/linux/can/core.h | 1718 | F: include/linux/can/core.h |
| 1673 | F: include/linux/can/bcm.h | 1719 | F: include/linux/can/bcm.h |
| 1674 | F: include/linux/can/raw.h | 1720 | F: include/linux/can/raw.h |
| 1721 | F: include/linux/can/gw.h | ||
| 1675 | 1722 | ||
| 1676 | CAN NETWORK DRIVERS | 1723 | CAN NETWORK DRIVERS |
| 1677 | M: Wolfgang Grandegger <wg@grandegger.com> | 1724 | M: Wolfgang Grandegger <wg@grandegger.com> |
| 1678 | L: socketcan-core@lists.berlios.de (subscribers-only) | 1725 | L: linux-can@vger.kernel.org |
| 1679 | L: netdev@vger.kernel.org | 1726 | L: netdev@vger.kernel.org |
| 1680 | W: http://developer.berlios.de/projects/socketcan/ | 1727 | W: http://developer.berlios.de/projects/socketcan/ |
| 1681 | S: Maintained | 1728 | S: Maintained |
| @@ -1759,13 +1806,13 @@ M: Christian Benvenuti <benve@cisco.com> · 77 unmodified lines | |||
| 1759 | M: Roopa Prabhu <roprabhu@cisco.com> | 1806 | M: Roopa Prabhu <roprabhu@cisco.com> |
| 1760 | M: David Wang <dwang2@cisco.com> | 1807 | M: David Wang <dwang2@cisco.com> |
| 1761 | S: Supported | 1808 | S: Supported |
| 1762 | F: drivers/net/enic/ | 1809 | F: drivers/net/ethernet/cisco/enic/ |
| 1763 | 1810 | ||
| 1764 | CIRRUS LOGIC EP93XX ETHERNET DRIVER | 1811 | CIRRUS LOGIC EP93XX ETHERNET DRIVER |
| 1765 | M: Hartley Sweeten <hsweeten@visionengravers.com> | 1812 | M: Hartley Sweeten <hsweeten@visionengravers.com> |
| 1766 | L: netdev@vger.kernel.org | 1813 | L: netdev@vger.kernel.org |
| 1767 | S: Maintained | 1814 | S: Maintained |
| 1768 | F: drivers/net/arm/ep93xx_eth.c | 1815 | F: drivers/net/ethernet/cirrus/ep93xx_eth.c |
| 1769 | 1816 | ||
| 1770 | CIRRUS LOGIC EP93XX OHCI USB HOST DRIVER | 1817 | CIRRUS LOGIC EP93XX OHCI USB HOST DRIVER |
| 1771 | M: Lennert Buytenhek <kernel@wantstofly.org> | 1818 | M: Lennert Buytenhek <kernel@wantstofly.org> |
| @@ -1905,7 +1952,7 @@ CPMAC ETHERNET DRIVER · 133 unmodified lines | |||
| 1905 | M: Florian Fainelli <florian@openwrt.org> | 1952 | M: Florian Fainelli <florian@openwrt.org> |
| 1906 | L: netdev@vger.kernel.org | 1953 | L: netdev@vger.kernel.org |
| 1907 | S: Maintained | 1954 | S: Maintained |
| 1908 | F: drivers/net/cpmac.c | 1955 | F: drivers/net/ethernet/ti/cpmac.c |
| 1909 | 1956 | ||
| 1910 | CPU FREQUENCY DRIVERS | 1957 | CPU FREQUENCY DRIVERS |
| 1911 | M: Dave Jones <davej@redhat.com> | 1958 | M: Dave Jones <davej@redhat.com> |
| @@ -1992,7 +2039,7 @@ M: Divy Le Ray <divy@chelsio.com> · 80 unmodified lines | |||
| 1992 | L: netdev@vger.kernel.org | 2039 | L: netdev@vger.kernel.org |
| 1993 | W: http://www.chelsio.com | 2040 | W: http://www.chelsio.com |
| 1994 | S: Supported | 2041 | S: Supported |
| 1995 | F: drivers/net/cxgb3/ | 2042 | F: drivers/net/ethernet/chelsio/cxgb3/ |
| 1996 | 2043 | ||
| 1997 | CXGB3 IWARP RNIC DRIVER (IW_CXGB3) | 2044 | CXGB3 IWARP RNIC DRIVER (IW_CXGB3) |
| 1998 | M: Steve Wise <swise@chelsio.com> | 2045 | M: Steve Wise <swise@chelsio.com> |
| @@ -2006,7 +2053,7 @@ M: Dimitris Michailidis <dm@chelsio.com> · 7 unmodified lines | |||
| 2006 | L: netdev@vger.kernel.org | 2053 | L: netdev@vger.kernel.org |
| 2007 | W: http://www.chelsio.com | 2054 | W: http://www.chelsio.com |
| 2008 | S: Supported | 2055 | S: Supported |
| 2009 | F: drivers/net/cxgb4/ | 2056 | F: drivers/net/ethernet/chelsio/cxgb4/ |
| 2010 | 2057 | ||
| 2011 | CXGB4 IWARP RNIC DRIVER (IW_CXGB4) | 2058 | CXGB4 IWARP RNIC DRIVER (IW_CXGB4) |
| 2012 | M: Steve Wise <swise@chelsio.com> | 2059 | M: Steve Wise <swise@chelsio.com> |
| @@ -2020,14 +2067,14 @@ M: Casey Leedom <leedom@chelsio.com> · 7 unmodified lines | |||
| 2020 | L: netdev@vger.kernel.org | 2067 | L: netdev@vger.kernel.org |
| 2021 | W: http://www.chelsio.com | 2068 | W: http://www.chelsio.com |
| 2022 | S: Supported | 2069 | S: Supported |
| 2023 | F: drivers/net/cxgb4vf/ | 2070 | F: drivers/net/ethernet/chelsio/cxgb4vf/ |
| 2024 | 2071 | ||
| 2025 | STMMAC ETHERNET DRIVER | 2072 | STMMAC ETHERNET DRIVER |
| 2026 | M: Giuseppe Cavallaro <peppe.cavallaro@st.com> | 2073 | M: Giuseppe Cavallaro <peppe.cavallaro@st.com> |
| 2027 | L: netdev@vger.kernel.org | 2074 | L: netdev@vger.kernel.org |
| 2028 | W: http://www.stlinux.com | 2075 | W: http://www.stlinux.com |
| 2029 | S: Supported | 2076 | S: Supported |
| 2030 | F: drivers/net/stmmac/ | 2077 | F: drivers/net/ethernet/stmicro/stmmac/ |
| 2031 | 2078 | ||
| 2032 | CYBERPRO FB DRIVER | 2079 | CYBERPRO FB DRIVER |
| 2033 | M: Russell King <linux@arm.linux.org.uk> | 2080 | M: Russell King <linux@arm.linux.org.uk> |
| @@ -2071,7 +2118,7 @@ DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER · 37 unmodified lines | |||
| 2071 | L: netdev@vger.kernel.org | 2118 | L: netdev@vger.kernel.org |
| 2072 | S: Orphan | 2119 | S: Orphan |
| 2073 | F: Documentation/networking/dmfe.txt | 2120 | F: Documentation/networking/dmfe.txt |
| 2074 | F: drivers/net/tulip/dmfe.c | 2121 | F: drivers/net/ethernet/tulip/dmfe.c |
| 2075 | 2122 | ||
| 2076 | DC390/AM53C974 SCSI driver | 2123 | DC390/AM53C974 SCSI driver |
| 2077 | M: Kurt Garloff <garloff@suse.de> | 2124 | M: Kurt Garloff <garloff@suse.de> |
| @@ -2110,7 +2157,7 @@ F: net/decnet/ · 32 unmodified lines | |||
| 2110 | DEFXX FDDI NETWORK DRIVER | 2157 | DEFXX FDDI NETWORK DRIVER |
| 2111 | M: "Maciej W. Rozycki" <macro@linux-mips.org> | 2158 | M: "Maciej W. Rozycki" <macro@linux-mips.org> |
| 2112 | S: Maintained | 2159 | S: Maintained |
| 2113 | F: drivers/net/defxx.* | 2160 | F: drivers/net/fddi/defxx.* |
| 2114 | 2161 | ||
| 2115 | DELL LAPTOP DRIVER | 2162 | DELL LAPTOP DRIVER |
| 2116 | M: Matthew Garrett <mjg59@srcf.ucam.org> | 2163 | M: Matthew Garrett <mjg59@srcf.ucam.org> |
| @@ -2136,6 +2183,14 @@ M: Matthew Garrett <mjg59@srcf.ucam.org> · 19 unmodified lines | |||
| 2136 | S: Maintained | 2183 | S: Maintained |
| 2137 | F: drivers/platform/x86/dell-wmi.c | 2184 | F: drivers/platform/x86/dell-wmi.c |
| 2138 | 2185 | ||
| 2186 | DESIGNWARE USB3 DRD IP DRIVER | ||
| 2187 | M: Felipe Balbi <balbi@ti.com> | ||
| 2188 | L: linux-usb@vger.kernel.org | ||
| 2189 | L: linux-omap@vger.kernel.org | ||
| 2190 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git | ||
| 2191 | S: Maintained | ||
| 2192 | F: drivers/usb/dwc3/ | ||
| 2193 | |||
| 2139 | DEVICE NUMBER REGISTRY | 2194 | DEVICE NUMBER REGISTRY |
| 2140 | M: Torben Mathiasen <device@lanana.org> | 2195 | M: Torben Mathiasen <device@lanana.org> |
| 2141 | W: http://lanana.org/docs/device-list/index.html | 2196 | W: http://lanana.org/docs/device-list/index.html |
| @@ -2288,12 +2343,25 @@ S: Supported · 146 unmodified lines | |||
| 2288 | F: drivers/gpu/drm/i915 | 2343 | F: drivers/gpu/drm/i915 |
| 2289 | F: include/drm/i915* | 2344 | F: include/drm/i915* |
| 2290 | 2345 | ||
| 2346 | DRM DRIVERS FOR EXYNOS | ||
| 2347 | M: Inki Dae <inki.dae@samsung.com> | ||
| 2348 | L: dri-devel@lists.freedesktop.org | ||
| 2349 | S: Supported | ||
| 2350 | F: drivers/gpu/drm/exynos | ||
| 2351 | F: include/drm/exynos* | ||
| 2352 | |||
| 2291 | DSCC4 DRIVER | 2353 | DSCC4 DRIVER |
| 2292 | M: Francois Romieu <romieu@fr.zoreil.com> | 2354 | M: Francois Romieu <romieu@fr.zoreil.com> |
| 2293 | L: netdev@vger.kernel.org | 2355 | L: netdev@vger.kernel.org |
| 2294 | S: Maintained | 2356 | S: Maintained |
| 2295 | F: drivers/net/wan/dscc4.c | 2357 | F: drivers/net/wan/dscc4.c |
| 2296 | 2358 | ||
| 2359 | DYNAMIC DEBUG | ||
| 2360 | M: Jason Baron <jbaron@redhat.com> | ||
| 2361 | S: Maintained | ||
| 2362 | F: lib/dynamic_debug.c | ||
| 2363 | F: include/linux/dynamic_debug.h | ||
| 2364 | |||
| 2297 | DZ DECSTATION DZ11 SERIAL DRIVER | 2365 | DZ DECSTATION DZ11 SERIAL DRIVER |
| 2298 | M: "Maciej W. Rozycki" <macro@linux-mips.org> | 2366 | M: "Maciej W. Rozycki" <macro@linux-mips.org> |
| 2299 | S: Maintained | 2367 | S: Maintained |
| @@ -2328,7 +2396,7 @@ F: include/linux/netfilter_bridge/ebt_*.h · 28 unmodified lines | |||
| 2328 | F: net/bridge/netfilter/ebt*.c | 2396 | F: net/bridge/netfilter/ebt*.c |
| 2329 | 2397 | ||
| 2330 | ECRYPT FILE SYSTEM | 2398 | ECRYPT FILE SYSTEM |
| 2331 | M: Tyler Hicks <tyhicks@linux.vnet.ibm.com> | 2399 | M: Tyler Hicks <tyhicks@canonical.com> |
| 2332 | M: Dustin Kirkland <kirkland@canonical.com> | 2400 | M: Dustin Kirkland <kirkland@canonical.com> |
| 2333 | L: ecryptfs@vger.kernel.org | 2401 | L: ecryptfs@vger.kernel.org |
| 2334 | W: https://launchpad.net/ecryptfs | 2402 | W: https://launchpad.net/ecryptfs |
| @@ -2409,8 +2477,6 @@ L: linux-edac@vger.kernel.org · 74 unmodified lines | |||
| 2409 | W: bluesmoke.sourceforge.net | 2477 | W: bluesmoke.sourceforge.net |
| 2410 | S: Maintained | 2478 | S: Maintained |
| 2411 | F: drivers/edac/i7core_edac.c | 2479 | F: drivers/edac/i7core_edac.c |
| 2412 | F: drivers/edac/edac_mce.c | ||
| 2413 | F: include/linux/edac_mce.h | ||
| 2414 | 2480 | ||
| 2415 | EDAC-I82975X | 2481 | EDAC-I82975X |
| 2416 | M: Ranganathan Desikan <ravi@jetztechnologies.com> | 2482 | M: Ranganathan Desikan <ravi@jetztechnologies.com> |
| @@ -2434,6 +2500,13 @@ W: bluesmoke.sourceforge.net · 17 unmodified lines | |||
| 2434 | S: Maintained | 2500 | S: Maintained |
| 2435 | F: drivers/edac/r82600_edac.c | 2501 | F: drivers/edac/r82600_edac.c |
| 2436 | 2502 | ||
| 2503 | EDAC-SBRIDGE | ||
| 2504 | M: Mauro Carvalho Chehab <mchehab@redhat.com> | ||
| 2505 | L: linux-edac@vger.kernel.org | ||
| 2506 | W: bluesmoke.sourceforge.net | ||
| 2507 | S: Maintained | ||
| 2508 | F: drivers/edac/sb_edac.c | ||
| 2509 | |||
| 2437 | EDIROL UA-101/UA-1000 DRIVER | 2510 | EDIROL UA-101/UA-1000 DRIVER |
| 2438 | M: Clemens Ladisch <clemens@ladisch.de> | 2511 | M: Clemens Ladisch <clemens@ladisch.de> |
| 2439 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 2512 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| @@ -2463,7 +2536,7 @@ EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER · 23 unmodified lines | |||
| 2463 | M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> | 2536 | M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> |
| 2464 | L: netdev@vger.kernel.org | 2537 | L: netdev@vger.kernel.org |
| 2465 | S: Maintained | 2538 | S: Maintained |
| 2466 | F: drivers/net/ehea/ | 2539 | F: drivers/net/ethernet/ibm/ehea/ |
| 2467 | 2540 | ||
| 2468 | EMBEDDED LINUX | 2541 | EMBEDDED LINUX |
| 2469 | M: Paul Gortmaker <paul.gortmaker@windriver.com> | 2542 | M: Paul Gortmaker <paul.gortmaker@windriver.com> |
| @@ -2508,7 +2581,7 @@ ETHEREXPRESS-16 NETWORK DRIVER · 38 unmodified lines | |||
| 2508 | M: Philip Blundell <philb@gnu.org> | 2581 | M: Philip Blundell <philb@gnu.org> |
| 2509 | L: netdev@vger.kernel.org | 2582 | L: netdev@vger.kernel.org |
| 2510 | S: Maintained | 2583 | S: Maintained |
| 2511 | F: drivers/net/eexpress.* | 2584 | F: drivers/net/ethernet/i825xx/eexpress.* |
| 2512 | 2585 | ||
| 2513 | ETHERNET BRIDGE | 2586 | ETHERNET BRIDGE |
| 2514 | M: Stephen Hemminger <shemminger@linux-foundation.org> | 2587 | M: Stephen Hemminger <shemminger@linux-foundation.org> |
| @@ -2522,7 +2595,7 @@ F: net/bridge/ · 7 unmodified lines | |||
| 2522 | ETHERTEAM 16I DRIVER | 2595 | ETHERTEAM 16I DRIVER |
| 2523 | M: Mika Kuoppala <miku@iki.fi> | 2596 | M: Mika Kuoppala <miku@iki.fi> |
| 2524 | S: Maintained | 2597 | S: Maintained |
| 2525 | F: drivers/net/eth16i.c | 2598 | F: drivers/net/ethernet/fujitsu/eth16i.c |
| 2526 | 2599 | ||
| 2527 | EXT2 FILE SYSTEM | 2600 | EXT2 FILE SYSTEM |
| 2528 | M: Jan Kara <jack@suse.cz> | 2601 | M: Jan Kara <jack@suse.cz> |
| @@ -2691,7 +2764,7 @@ M: Vitaly Bordug <vbordug@ru.mvista.com> · 162 unmodified lines | |||
| 2691 | L: linuxppc-dev@lists.ozlabs.org | 2764 | L: linuxppc-dev@lists.ozlabs.org |
| 2692 | L: netdev@vger.kernel.org | 2765 | L: netdev@vger.kernel.org |
| 2693 | S: Maintained | 2766 | S: Maintained |
| 2694 | F: drivers/net/fs_enet/ | 2767 | F: drivers/net/ethernet/freescale/fs_enet/ |
| 2695 | F: include/linux/fs_enet_pd.h | 2768 | F: include/linux/fs_enet_pd.h |
| 2696 | 2769 | ||
| 2697 | FREESCALE QUICC ENGINE LIBRARY | 2770 | FREESCALE QUICC ENGINE LIBRARY |
| @@ -2713,7 +2786,7 @@ M: Li Yang <leoli@freescale.com> · 15 unmodified lines | |||
| 2713 | L: netdev@vger.kernel.org | 2786 | L: netdev@vger.kernel.org |
| 2714 | L: linuxppc-dev@lists.ozlabs.org | 2787 | L: linuxppc-dev@lists.ozlabs.org |
| 2715 | S: Maintained | 2788 | S: Maintained |
| 2716 | F: drivers/net/ucc_geth* | 2789 | F: drivers/net/ethernet/freescale/ucc_geth* |
| 2717 | 2790 | ||
| 2718 | FREESCALE QUICC ENGINE UCC UART DRIVER | 2791 | FREESCALE QUICC ENGINE UCC UART DRIVER |
| 2719 | M: Timur Tabi <timur@freescale.com> | 2792 | M: Timur Tabi <timur@freescale.com> |
| @@ -2738,7 +2811,7 @@ F: fs/freevxfs/ · 18 unmodified lines | |||
| 2738 | FREEZER | 2811 | FREEZER |
| 2739 | M: Pavel Machek <pavel@ucw.cz> | 2812 | M: Pavel Machek <pavel@ucw.cz> |
| 2740 | M: "Rafael J. Wysocki" <rjw@sisk.pl> | 2813 | M: "Rafael J. Wysocki" <rjw@sisk.pl> |
| 2741 | L: linux-pm@lists.linux-foundation.org | 2814 | L: linux-pm@vger.kernel.org |
| 2742 | S: Supported | 2815 | S: Supported |
| 2743 | F: Documentation/power/freezing-of-tasks.txt | 2816 | F: Documentation/power/freezing-of-tasks.txt |
| 2744 | F: include/linux/freezer.h | 2817 | F: include/linux/freezer.h |
| @@ -2955,6 +3028,13 @@ F: Documentation/hw_random.txt · 210 unmodified lines | |||
| 2955 | F: drivers/char/hw_random/ | 3028 | F: drivers/char/hw_random/ |
| 2956 | F: include/linux/hw_random.h | 3029 | F: include/linux/hw_random.h |
| 2957 | 3030 | ||
| 3031 | HARDWARE SPINLOCK CORE | ||
| 3032 | M: Ohad Ben-Cohen <ohad@wizery.com> | ||
| 3033 | S: Maintained | ||
| 3034 | F: Documentation/hwspinlock.txt | ||
| 3035 | F: drivers/hwspinlock/hwspinlock_* | ||
| 3036 | F: include/linux/hwspinlock.h | ||
| 3037 | |||
| 2958 | HARMONY SOUND DRIVER | 3038 | HARMONY SOUND DRIVER |
| 2959 | M: Kyle McMartin <kyle@mcmartin.ca> | 3039 | M: Kyle McMartin <kyle@mcmartin.ca> |
| 2960 | L: linux-parisc@vger.kernel.org | 3040 | L: linux-parisc@vger.kernel.org |
| @@ -3000,7 +3080,7 @@ F: drivers/video/hgafb.c · 39 unmodified lines | |||
| 3000 | HIBERNATION (aka Software Suspend, aka swsusp) | 3080 | HIBERNATION (aka Software Suspend, aka swsusp) |
| 3001 | M: Pavel Machek <pavel@ucw.cz> | 3081 | M: Pavel Machek <pavel@ucw.cz> |
| 3002 | M: "Rafael J. Wysocki" <rjw@sisk.pl> | 3082 | M: "Rafael J. Wysocki" <rjw@sisk.pl> |
| 3003 | L: linux-pm@lists.linux-foundation.org | 3083 | L: linux-pm@vger.kernel.org |
| 3004 | S: Supported | 3084 | S: Supported |
| 3005 | F: arch/x86/power/ | 3085 | F: arch/x86/power/ |
| 3006 | F: drivers/base/power/ | 3086 | F: drivers/base/power/ |
| @@ -3051,6 +3131,7 @@ S: Maintained · 44 unmodified lines | |||
| 3051 | F: include/linux/hippidevice.h | 3131 | F: include/linux/hippidevice.h |
| 3052 | F: include/linux/if_hippi.h | 3132 | F: include/linux/if_hippi.h |
| 3053 | F: net/802/hippi.c | 3133 | F: net/802/hippi.c |
| 3134 | F: drivers/net/hippi/ | ||
| 3054 | 3135 | ||
| 3055 | HOST AP DRIVER | 3136 | HOST AP DRIVER |
| 3056 | M: Jouni Malinen <j@w1.fi> | 3137 | M: Jouni Malinen <j@w1.fi> |
| @@ -3068,7 +3149,7 @@ F: drivers/platform/x86/tc1100-wmi.c · 11 unmodified lines | |||
| 3068 | HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series | 3149 | HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series |
| 3069 | M: Jaroslav Kysela <perex@perex.cz> | 3150 | M: Jaroslav Kysela <perex@perex.cz> |
| 3070 | S: Maintained | 3151 | S: Maintained |
| 3071 | F: drivers/net/hp100.* | 3152 | F: drivers/net/ethernet/hp/hp100.* |
| 3072 | 3153 | ||
| 3073 | HPET: High Precision Event Timers driver | 3154 | HPET: High Precision Event Timers driver |
| 3074 | M: Clemens Ladisch <clemens@ladisch.de> | 3155 | M: Clemens Ladisch <clemens@ladisch.de> |
| @@ -3146,8 +3227,7 @@ IA64 (Itanium) PLATFORM · 71 unmodified lines | |||
| 3146 | M: Tony Luck <tony.luck@intel.com> | 3227 | M: Tony Luck <tony.luck@intel.com> |
| 3147 | M: Fenghua Yu <fenghua.yu@intel.com> | 3228 | M: Fenghua Yu <fenghua.yu@intel.com> |
| 3148 | L: linux-ia64@vger.kernel.org | 3229 | L: linux-ia64@vger.kernel.org |
| 3149 | W: http://www.ia64-linux.org/ | 3230 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git |
| 3150 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git | ||
| 3151 | S: Maintained | 3231 | S: Maintained |
| 3152 | F: arch/ia64/ | 3232 | F: arch/ia64/ |
| 3153 | 3233 | ||
| @@ -3166,7 +3246,7 @@ IBM Power Virtual Ethernet Device Driver · 12 unmodified lines | |||
| 3166 | M: Santiago Leon <santil@linux.vnet.ibm.com> | 3246 | M: Santiago Leon <santil@linux.vnet.ibm.com> |
| 3167 | L: netdev@vger.kernel.org | 3247 | L: netdev@vger.kernel.org |
| 3168 | S: Supported | 3248 | S: Supported |
| 3169 | F: drivers/net/ibmveth.* | 3249 | F: drivers/net/ethernet/ibm/ibmveth.* |
| 3170 | 3250 | ||
| 3171 | IBM ServeRAID RAID DRIVER | 3251 | IBM ServeRAID RAID DRIVER |
| 3172 | P: Jack Hammer | 3252 | P: Jack Hammer |
| @@ -3185,6 +3265,13 @@ F: Documentation/ide/ · 12 unmodified lines | |||
| 3185 | F: drivers/ide/ | 3265 | F: drivers/ide/ |
| 3186 | F: include/linux/ide.h | 3266 | F: include/linux/ide.h |
| 3187 | 3267 | ||
| 3268 | IDEAPAD LAPTOP EXTRAS DRIVER | ||
| 3269 | M: Ike Panhc <ike.pan@canonical.com> | ||
| 3270 | L: platform-driver-x86@vger.kernel.org | ||
| 3271 | W: http://launchpad.net/ideapad-laptop | ||
| 3272 | S: Maintained | ||
| 3273 | F: drivers/platform/x86/ideapad-laptop.c | ||
| 3274 | |||
| 3188 | IDE/ATAPI DRIVERS | 3275 | IDE/ATAPI DRIVERS |
| 3189 | M: Borislav Petkov <petkovbb@gmail.com> | 3276 | M: Borislav Petkov <petkovbb@gmail.com> |
| 3190 | L: linux-ide@vger.kernel.org | 3277 | L: linux-ide@vger.kernel.org |
| @@ -3194,7 +3281,7 @@ F: drivers/ide/ide-cd* · 3 unmodified lines | |||
| 3194 | 3281 | ||
| 3195 | IDLE-I7300 | 3282 | IDLE-I7300 |
| 3196 | M: Andy Henroid <andrew.d.henroid@intel.com> | 3283 | M: Andy Henroid <andrew.d.henroid@intel.com> |
| 3197 | L: linux-pm@lists.linux-foundation.org | 3284 | L: linux-pm@vger.kernel.org |
| 3198 | S: Supported | 3285 | S: Supported |
| 3199 | F: drivers/idle/i7300_idle.c | 3286 | F: drivers/idle/i7300_idle.c |
| 3200 | 3287 | ||
| @@ -3277,7 +3364,7 @@ F: firmware/isci/ · 76 unmodified lines | |||
| 3277 | 3364 | ||
| 3278 | INTEL IDLE DRIVER | 3365 | INTEL IDLE DRIVER |
| 3279 | M: Len Brown <lenb@kernel.org> | 3366 | M: Len Brown <lenb@kernel.org> |
| 3280 | L: linux-pm@lists.linux-foundation.org | 3367 | L: linux-pm@vger.kernel.org |
| 3281 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6.git | 3368 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6.git |
| 3282 | S: Supported | 3369 | S: Supported |
| 3283 | F: drivers/idle/intel_idle.c | 3370 | F: drivers/idle/intel_idle.c |
| @@ -3333,7 +3420,7 @@ F: arch/arm/mach-ixp4xx/include/mach/qmgr.h · 49 unmodified lines | |||
| 3333 | F: arch/arm/mach-ixp4xx/include/mach/npe.h | 3420 | F: arch/arm/mach-ixp4xx/include/mach/npe.h |
| 3334 | F: arch/arm/mach-ixp4xx/ixp4xx_qmgr.c | 3421 | F: arch/arm/mach-ixp4xx/ixp4xx_qmgr.c |
| 3335 | F: arch/arm/mach-ixp4xx/ixp4xx_npe.c | 3422 | F: arch/arm/mach-ixp4xx/ixp4xx_npe.c |
| 3336 | F: drivers/net/arm/ixp4xx_eth.c | 3423 | F: drivers/net/ethernet/xscale/ixp4xx_eth.c |
| 3337 | F: drivers/net/wan/ixp4xx_hss.c | 3424 | F: drivers/net/wan/ixp4xx_hss.c |
| 3338 | 3425 | ||
| 3339 | INTEL IXP4XX RANDOM NUMBER GENERATOR SUPPORT | 3426 | INTEL IXP4XX RANDOM NUMBER GENERATOR SUPPORT |
| @@ -3345,7 +3432,7 @@ INTEL IXP2000 ETHERNET DRIVER · 5 unmodified lines | |||
| 3345 | M: Lennert Buytenhek <kernel@wantstofly.org> | 3432 | M: Lennert Buytenhek <kernel@wantstofly.org> |
| 3346 | L: netdev@vger.kernel.org | 3433 | L: netdev@vger.kernel.org |
| 3347 | S: Maintained | 3434 | S: Maintained |
| 3348 | F: drivers/net/ixp2000/ | 3435 | F: drivers/net/ethernet/xscale/ixp2000/ |
| 3349 | 3436 | ||
| 3350 | INTEL ETHERNET DRIVERS (e100/e1000/e1000e/igb/igbvf/ixgb/ixgbe/ixgbevf) | 3437 | INTEL ETHERNET DRIVERS (e100/e1000/e1000e/igb/igbvf/ixgb/ixgbe/ixgbevf) |
| 3351 | M: Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 3438 | M: Jeff Kirsher <jeffrey.t.kirsher@intel.com> |
| @@ -3354,13 +3441,13 @@ M: Bruce Allan <bruce.w.allan@intel.com> · 2 unmodified lines | |||
| 3354 | M: Carolyn Wyborny <carolyn.wyborny@intel.com> | 3441 | M: Carolyn Wyborny <carolyn.wyborny@intel.com> |
| 3355 | M: Don Skidmore <donald.c.skidmore@intel.com> | 3442 | M: Don Skidmore <donald.c.skidmore@intel.com> |
| 3356 | M: Greg Rose <gregory.v.rose@intel.com> | 3443 | M: Greg Rose <gregory.v.rose@intel.com> |
| 3357 | M: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com> | 3444 | M: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> |
| 3358 | M: Alex Duyck <alexander.h.duyck@intel.com> | 3445 | M: Alex Duyck <alexander.h.duyck@intel.com> |
| 3359 | M: John Ronciak <john.ronciak@intel.com> | 3446 | M: John Ronciak <john.ronciak@intel.com> |
| 3360 | L: e1000-devel@lists.sourceforge.net | 3447 | L: e1000-devel@lists.sourceforge.net |
| 3361 | W: http://e1000.sourceforge.net/ | 3448 | W: http://e1000.sourceforge.net/ |
| 3362 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-2.6.git | 3449 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net.git |
| 3363 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next-2.6.git | 3450 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next.git |
| 3364 | S: Supported | 3451 | S: Supported |
| 3365 | F: Documentation/networking/e100.txt | 3452 | F: Documentation/networking/e100.txt |
| 3366 | F: Documentation/networking/e1000.txt | 3453 | F: Documentation/networking/e1000.txt |
| @@ -3370,18 +3457,11 @@ F: Documentation/networking/igbvf.txt · 3 unmodified lines | |||
| 3370 | F: Documentation/networking/ixgb.txt | 3457 | F: Documentation/networking/ixgb.txt |
| 3371 | F: Documentation/networking/ixgbe.txt | 3458 | F: Documentation/networking/ixgbe.txt |
| 3372 | F: Documentation/networking/ixgbevf.txt | 3459 | F: Documentation/networking/ixgbevf.txt |
| 3373 | F: drivers/net/e100.c | 3460 | F: drivers/net/ethernet/intel/ |
| 3374 | F: drivers/net/e1000/ | ||
| 3375 | F: drivers/net/e1000e/ | ||
| 3376 | F: drivers/net/igb/ | ||
| 3377 | F: drivers/net/igbvf/ | ||
| 3378 | F: drivers/net/ixgb/ | ||
| 3379 | F: drivers/net/ixgbe/ | ||
| 3380 | F: drivers/net/ixgbevf/ | ||
| 3381 | 3461 | ||
| 3382 | INTEL MRST PMU DRIVER | 3462 | INTEL MRST PMU DRIVER |
| 3383 | M: Len Brown <len.brown@intel.com> | 3463 | M: Len Brown <len.brown@intel.com> |
| 3384 | L: linux-pm@lists.linux-foundation.org | 3464 | L: linux-pm@vger.kernel.org |
| 3385 | S: Supported | 3465 | S: Supported |
| 3386 | F: arch/x86/platform/mrst/pmu.* | 3466 | F: arch/x86/platform/mrst/pmu.* |
| 3387 | 3467 | ||
| @@ -3429,7 +3509,7 @@ M: Wey-Yi Guy <wey-yi.w.guy@intel.com> · 41 unmodified lines | |||
| 3429 | M: Intel Linux Wireless <ilw@linux.intel.com> | 3509 | M: Intel Linux Wireless <ilw@linux.intel.com> |
| 3430 | L: linux-wireless@vger.kernel.org | 3510 | L: linux-wireless@vger.kernel.org |
| 3431 | W: http://intellinuxwireless.org | 3511 | W: http://intellinuxwireless.org |
| 3432 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6.git | 3512 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git |
| 3433 | S: Supported | 3513 | S: Supported |
| 3434 | F: drivers/net/wireless/iwlwifi/ | 3514 | F: drivers/net/wireless/iwlwifi/ |
| 3435 | 3515 | ||
| @@ -3445,7 +3525,7 @@ IOC3 ETHERNET DRIVER · 9 unmodified lines | |||
| 3445 | M: Ralf Baechle <ralf@linux-mips.org> | 3525 | M: Ralf Baechle <ralf@linux-mips.org> |
| 3446 | L: linux-mips@linux-mips.org | 3526 | L: linux-mips@linux-mips.org |
| 3447 | S: Maintained | 3527 | S: Maintained |
| 3448 | F: drivers/net/ioc3-eth.c | 3528 | F: drivers/net/ethernet/sgi/ioc3-eth.c |
| 3449 | 3529 | ||
| 3450 | IOC3 SERIAL DRIVER | 3530 | IOC3 SERIAL DRIVER |
| 3451 | M: Pat Gefre <pfg@sgi.com> | 3531 | M: Pat Gefre <pfg@sgi.com> |
| @@ -3463,7 +3543,7 @@ M: Francois Romieu <romieu@fr.zoreil.com> · 11 unmodified lines | |||
| 3463 | M: Sorbica Shieh <sorbica@icplus.com.tw> | 3543 | M: Sorbica Shieh <sorbica@icplus.com.tw> |
| 3464 | L: netdev@vger.kernel.org | 3544 | L: netdev@vger.kernel.org |
| 3465 | S: Maintained | 3545 | S: Maintained |
| 3466 | F: drivers/net/ipg.* | 3546 | F: drivers/net/ethernet/icplus/ipg.* |
| 3467 | 3547 | ||
| 3468 | IPATH DRIVER | 3548 | IPATH DRIVER |
| 3469 | M: Mike Marciniszyn <infinipath@qlogic.com> | 3549 | M: Mike Marciniszyn <infinipath@qlogic.com> |
| @@ -3611,7 +3691,7 @@ JME NETWORK DRIVER · 141 unmodified lines | |||
| 3611 | M: Guo-Fu Tseng <cooldavid@cooldavid.org> | 3691 | M: Guo-Fu Tseng <cooldavid@cooldavid.org> |
| 3612 | L: netdev@vger.kernel.org | 3692 | L: netdev@vger.kernel.org |
| 3613 | S: Maintained | 3693 | S: Maintained |
| 3614 | F: drivers/net/jme.* | 3694 | F: drivers/net/ethernet/jme.* |
| 3615 | 3695 | ||
| 3616 | JOURNALLING FLASH FILE SYSTEM V2 (JFFS2) | 3696 | JOURNALLING FLASH FILE SYSTEM V2 (JFFS2) |
| 3617 | M: David Woodhouse <dwmw2@infradead.org> | 3697 | M: David Woodhouse <dwmw2@infradead.org> |
| @@ -3978,6 +4058,7 @@ M: Eric Piel <eric.piel@tremplin-utc.net> · 360 unmodified lines | |||
| 3978 | S: Maintained | 4058 | S: Maintained |
| 3979 | F: Documentation/misc-devices/lis3lv02d | 4059 | F: Documentation/misc-devices/lis3lv02d |
| 3980 | F: drivers/misc/lis3lv02d/ | 4060 | F: drivers/misc/lis3lv02d/ |
| 4061 | F: drivers/platform/x86/hp_accel.c | ||
| 3981 | 4062 | ||
| 3982 | LLC (802.2) | 4063 | LLC (802.2) |
| 3983 | M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 4064 | M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> |
| @@ -4142,7 +4223,7 @@ MARVELL MV643XX ETHERNET DRIVER · 158 unmodified lines | |||
| 4142 | M: Lennert Buytenhek <buytenh@wantstofly.org> | 4223 | M: Lennert Buytenhek <buytenh@wantstofly.org> |
| 4143 | L: netdev@vger.kernel.org | 4224 | L: netdev@vger.kernel.org |
| 4144 | S: Maintained | 4225 | S: Maintained |
| 4145 | F: drivers/net/mv643xx_eth.* | 4226 | F: drivers/net/ethernet/marvell/mv643xx_eth.* |
| 4146 | F: include/linux/mv643xx.h | 4227 | F: include/linux/mv643xx.h |
| 4147 | 4228 | ||
| 4148 | MARVELL MWIFIEX WIRELESS DRIVER | 4229 | MARVELL MWIFIEX WIRELESS DRIVER |
| @@ -4356,12 +4437,12 @@ M: Andrew Gallatin <gallatin@myri.com> · 207 unmodified lines | |||
| 4356 | L: netdev@vger.kernel.org | 4437 | L: netdev@vger.kernel.org |
| 4357 | W: http://www.myri.com/scs/download-Myri10GE.html | 4438 | W: http://www.myri.com/scs/download-Myri10GE.html |
| 4358 | S: Supported | 4439 | S: Supported |
| 4359 | F: drivers/net/myri10ge/ | 4440 | F: drivers/net/ethernet/myricom/myri10ge/ |
| 4360 | 4441 | ||
| 4361 | NATSEMI ETHERNET DRIVER (DP8381x) | 4442 | NATSEMI ETHERNET DRIVER (DP8381x) |
| 4362 | M: Tim Hockin <thockin@hockin.org> | 4443 | M: Tim Hockin <thockin@hockin.org> |
| 4363 | S: Maintained | 4444 | S: Maintained |
| 4364 | F: drivers/net/natsemi.c | 4445 | F: drivers/net/ethernet/natsemi/natsemi.c |
| 4365 | 4446 | ||
| 4366 | NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER | 4447 | NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER |
| 4367 | M: Daniel Mack <zonque@gmail.com> | 4448 | M: Daniel Mack <zonque@gmail.com> |
| @@ -4401,16 +4482,13 @@ W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/Linux?Anonymous · 33 unmodified lines | |||
| 4401 | W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous | 4482 | W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous |
| 4402 | S: Supported | 4483 | S: Supported |
| 4403 | F: Documentation/networking/s2io.txt | 4484 | F: Documentation/networking/s2io.txt |
| 4404 | F: drivers/net/s2io* | ||
| 4405 | F: Documentation/networking/vxge.txt | 4485 | F: Documentation/networking/vxge.txt |
| 4406 | F: drivers/net/vxge/ | 4486 | F: drivers/net/ethernet/neterion/ |
| 4407 | 4487 | ||
| 4408 | NETFILTER/IPTABLES/IPCHAINS | 4488 | NETFILTER/IPTABLES/IPCHAINS |
| 4409 | P: Rusty Russell | ||
| 4410 | P: Marc Boucher | ||
| 4411 | P: James Morris | ||
| 4412 | P: Harald Welte | 4489 | P: Harald Welte |
| 4413 | P: Jozsef Kadlecsik | 4490 | P: Jozsef Kadlecsik |
| 4491 | M: Pablo Neira Ayuso <pablo@netfilter.org> | ||
| 4414 | M: Patrick McHardy <kaber@trash.net> | 4492 | M: Patrick McHardy <kaber@trash.net> |
| 4415 | L: netfilter-devel@vger.kernel.org | 4493 | L: netfilter-devel@vger.kernel.org |
| 4416 | L: netfilter@vger.kernel.org | 4494 | L: netfilter@vger.kernel.org |
| @@ -4517,11 +4595,23 @@ F: include/linux/if_* · 100 unmodified lines | |||
| 4517 | F: include/linux/*device.h | 4595 | F: include/linux/*device.h |
| 4518 | 4596 | ||
| 4519 | NETXEN (1/10) GbE SUPPORT | 4597 | NETXEN (1/10) GbE SUPPORT |
| 4520 | M: Amit Kumar Salecha <amit.salecha@qlogic.com> | 4598 | M: Sony Chacko <sony.chacko@qlogic.com> |
| 4599 | M: Rajesh Borundia <rajesh.borundia@qlogic.com> | ||
| 4521 | L: netdev@vger.kernel.org | 4600 | L: netdev@vger.kernel.org |
| 4522 | W: http://www.qlogic.com | 4601 | W: http://www.qlogic.com |
| 4523 | S: Supported | 4602 | S: Supported |
| 4524 | F: drivers/net/netxen/ | 4603 | F: drivers/net/ethernet/qlogic/netxen/ |
| 4604 | |||
| 4605 | NFC SUBSYSTEM | ||
| 4606 | M: Lauro Ramos Venancio <lauro.venancio@openbossa.org> | ||
| 4607 | M: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> | ||
| 4608 | M: Samuel Ortiz <sameo@linux.intel.com> | ||
| 4609 | L: linux-wireless@vger.kernel.org | ||
| 4610 | S: Maintained | ||
| 4611 | F: net/nfc/ | ||
| 4612 | F: include/linux/nfc.h | ||
| 4613 | F: include/net/nfc/ | ||
| 4614 | F: drivers/nfc/ | ||
| 4525 | 4615 | ||
| 4526 | NFS, SUNRPC, AND LOCKD CLIENTS | 4616 | NFS, SUNRPC, AND LOCKD CLIENTS |
| 4527 | M: Trond Myklebust <Trond.Myklebust@netapp.com> | 4617 | M: Trond Myklebust <Trond.Myklebust@netapp.com> |
| @@ -4542,7 +4632,7 @@ M: Jan-Pascal van Best <janpascal@vanbest.org> · 14 unmodified lines | |||
| 4542 | M: Andreas Mohr <andi@lisas.de> | 4632 | M: Andreas Mohr <andi@lisas.de> |
| 4543 | L: netdev@vger.kernel.org | 4633 | L: netdev@vger.kernel.org |
| 4544 | S: Maintained | 4634 | S: Maintained |
| 4545 | F: drivers/net/ni5010.* | 4635 | F: drivers/net/ethernet/racal/ni5010.* |
| 4546 | 4636 | ||
| 4547 | NILFS2 FILESYSTEM | 4637 | NILFS2 FILESYSTEM |
| 4548 | M: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> | 4638 | M: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> |
| @@ -4591,7 +4681,7 @@ L: linux-omap@vger.kernel.org · 42 unmodified lines | |||
| 4591 | W: http://www.muru.com/linux/omap/ | 4681 | W: http://www.muru.com/linux/omap/ |
| 4592 | W: http://linux.omap.com/ | 4682 | W: http://linux.omap.com/ |
| 4593 | Q: http://patchwork.kernel.org/project/linux-omap/list/ | 4683 | Q: http://patchwork.kernel.org/project/linux-omap/list/ |
| 4594 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git | 4684 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git |
| 4595 | S: Maintained | 4685 | S: Maintained |
| 4596 | F: arch/arm/*omap*/ | 4686 | F: arch/arm/*omap*/ |
| 4597 | 4687 | ||
| @@ -4639,6 +4729,13 @@ S: Maintained · 41 unmodified lines | |||
| 4639 | F: drivers/video/omap2/ | 4729 | F: drivers/video/omap2/ |
| 4640 | F: Documentation/arm/OMAP/DSS | 4730 | F: Documentation/arm/OMAP/DSS |
| 4641 | 4731 | ||
| 4732 | OMAP HARDWARE SPINLOCK SUPPORT | ||
| 4733 | M: Ohad Ben-Cohen <ohad@wizery.com> | ||
| 4734 | L: linux-omap@vger.kernel.org | ||
| 4735 | S: Maintained | ||
| 4736 | F: drivers/hwspinlock/omap_hwspinlock.c | ||
| 4737 | F: arch/arm/mach-omap2/hwspinlock.c | ||
| 4738 | |||
| 4642 | OMAP MMC SUPPORT | 4739 | OMAP MMC SUPPORT |
| 4643 | M: Jarkko Lavinen <jarkko.lavinen@nokia.com> | 4740 | M: Jarkko Lavinen <jarkko.lavinen@nokia.com> |
| 4644 | L: linux-omap@vger.kernel.org | 4741 | L: linux-omap@vger.kernel.org |
| @@ -4733,10 +4830,12 @@ F: drivers/i2c/busses/i2c-ocores.c · 88 unmodified lines | |||
| 4733 | 4830 | ||
| 4734 | OPEN FIRMWARE AND FLATTENED DEVICE TREE | 4831 | OPEN FIRMWARE AND FLATTENED DEVICE TREE |
| 4735 | M: Grant Likely <grant.likely@secretlab.ca> | 4832 | M: Grant Likely <grant.likely@secretlab.ca> |
| 4833 | M: Rob Herring <rob.herring@calxeda.com> | ||
| 4736 | L: devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers) | 4834 | L: devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers) |
| 4737 | W: http://fdt.secretlab.ca | 4835 | W: http://fdt.secretlab.ca |
| 4738 | T: git git://git.secretlab.ca/git/linux-2.6.git | 4836 | T: git git://git.secretlab.ca/git/linux-2.6.git |
| 4739 | S: Maintained | 4837 | S: Maintained |
| 4838 | F: Documentation/devicetree | ||
| 4740 | F: drivers/of | 4839 | F: drivers/of |
| 4741 | F: include/linux/of*.h | 4840 | F: include/linux/of*.h |
| 4742 | K: of_get_property | 4841 | K: of_get_property |
| @@ -4808,7 +4907,7 @@ PA SEMI ETHERNET DRIVER · 65 unmodified lines | |||
| 4808 | M: Olof Johansson <olof@lixom.net> | 4907 | M: Olof Johansson <olof@lixom.net> |
| 4809 | L: netdev@vger.kernel.org | 4908 | L: netdev@vger.kernel.org |
| 4810 | S: Maintained | 4909 | S: Maintained |
| 4811 | F: drivers/net/pasemi_mac.* | 4910 | F: drivers/net/ethernet/pasemi/* |
| 4812 | 4911 | ||
| 4813 | PA SEMI SMBUS DRIVER | 4912 | PA SEMI SMBUS DRIVER |
| 4814 | M: Olof Johansson <olof@lixom.net> | 4913 | M: Olof Johansson <olof@lixom.net> |
| @@ -4919,7 +5018,7 @@ F: include/linux/i2c-algo-pca.h · 104 unmodified lines | |||
| 4919 | F: include/linux/i2c-pca-platform.h | 5018 | F: include/linux/i2c-pca-platform.h |
| 4920 | 5019 | ||
| 4921 | PCI ERROR RECOVERY | 5020 | PCI ERROR RECOVERY |
| 4922 | M: Linas Vepstas <linas@austin.ibm.com> | 5021 | M: Linas Vepstas <linasvepstas@gmail.com> |
| 4923 | L: linux-pci@vger.kernel.org | 5022 | L: linux-pci@vger.kernel.org |
| 4924 | S: Supported | 5023 | S: Supported |
| 4925 | F: Documentation/PCI/pci-error-recovery.txt | 5024 | F: Documentation/PCI/pci-error-recovery.txt |
| @@ -4955,7 +5054,7 @@ PCNET32 NETWORK DRIVER · 29 unmodified lines | |||
| 4955 | M: Don Fry <pcnet32@frontier.com> | 5054 | M: Don Fry <pcnet32@frontier.com> |
| 4956 | L: netdev@vger.kernel.org | 5055 | L: netdev@vger.kernel.org |
| 4957 | S: Maintained | 5056 | S: Maintained |
| 4958 | F: drivers/net/pcnet32.c | 5057 | F: drivers/net/ethernet/amd/pcnet32.c |
| 4959 | 5058 | ||
| 4960 | PCRYPT PARALLEL CRYPTO ENGINE | 5059 | PCRYPT PARALLEL CRYPTO ENGINE |
| 4961 | M: Steffen Klassert <steffen.klassert@secunet.com> | 5060 | M: Steffen Klassert <steffen.klassert@secunet.com> |
| @@ -5015,6 +5114,11 @@ L: linux-mtd@lists.infradead.org · 53 unmodified lines | |||
| 5015 | S: Maintained | 5114 | S: Maintained |
| 5016 | F: drivers/mtd/devices/phram.c | 5115 | F: drivers/mtd/devices/phram.c |
| 5017 | 5116 | ||
| 5117 | PIN CONTROL SUBSYSTEM | ||
| 5118 | M: Linus Walleij <linus.walleij@linaro.org> | ||
| 5119 | S: Maintained | ||
| 5120 | F: drivers/pinmux/ | ||
| 5121 | |||
| 5018 | PKTCDVD DRIVER | 5122 | PKTCDVD DRIVER |
| 5019 | M: Peter Osterlund <petero2@telia.com> | 5123 | M: Peter Osterlund <petero2@telia.com> |
| 5020 | S: Maintained | 5124 | S: Maintained |
| @@ -5087,7 +5191,7 @@ PPP PROTOCOL DRIVERS AND COMPRESSORS · 66 unmodified lines | |||
| 5087 | M: Paul Mackerras <paulus@samba.org> | 5191 | M: Paul Mackerras <paulus@samba.org> |
| 5088 | L: linux-ppp@vger.kernel.org | 5192 | L: linux-ppp@vger.kernel.org |
| 5089 | S: Maintained | 5193 | S: Maintained |
| 5090 | F: drivers/net/ppp_* | 5194 | F: drivers/net/ppp/ppp_* |
| 5091 | 5195 | ||
| 5092 | PPP OVER ATM (RFC 2364) | 5196 | PPP OVER ATM (RFC 2364) |
| 5093 | M: Mitchell Blank Jr <mitch@sfgoth.com> | 5197 | M: Mitchell Blank Jr <mitch@sfgoth.com> |
| @@ -5098,8 +5202,8 @@ F: include/linux/atmppp.h · 4 unmodified lines | |||
| 5098 | PPP OVER ETHERNET | 5202 | PPP OVER ETHERNET |
| 5099 | M: Michal Ostrowski <mostrows@earthlink.net> | 5203 | M: Michal Ostrowski <mostrows@earthlink.net> |
| 5100 | S: Maintained | 5204 | S: Maintained |
| 5101 | F: drivers/net/pppoe.c | 5205 | F: drivers/net/ppp/pppoe.c |
| 5102 | F: drivers/net/pppox.c | 5206 | F: drivers/net/ppp/pppox.c |
| 5103 | 5207 | ||
| 5104 | PPP OVER L2TP | 5208 | PPP OVER L2TP |
| 5105 | M: James Chapman <jchapman@katalix.com> | 5209 | M: James Chapman <jchapman@katalix.com> |
| @@ -5120,7 +5224,7 @@ PPTP DRIVER · 14 unmodified lines | |||
| 5120 | M: Dmitry Kozlov <xeb@mail.ru> | 5224 | M: Dmitry Kozlov <xeb@mail.ru> |
| 5121 | L: netdev@vger.kernel.org | 5225 | L: netdev@vger.kernel.org |
| 5122 | S: Maintained | 5226 | S: Maintained |
| 5123 | F: drivers/net/pptp.c | 5227 | F: drivers/net/ppp/pptp.c |
| 5124 | W: http://sourceforge.net/projects/accel-pptp | 5228 | W: http://sourceforge.net/projects/accel-pptp |
| 5125 | 5229 | ||
| 5126 | PREEMPTIBLE KERNEL | 5230 | PREEMPTIBLE KERNEL |
| @@ -5149,7 +5253,7 @@ M: Geoff Levand <geoff@infradead.org> · 22 unmodified lines | |||
| 5149 | L: netdev@vger.kernel.org | 5253 | L: netdev@vger.kernel.org |
| 5150 | L: cbe-oss-dev@lists.ozlabs.org | 5254 | L: cbe-oss-dev@lists.ozlabs.org |
| 5151 | S: Maintained | 5255 | S: Maintained |
| 5152 | F: drivers/net/ps3_gelic_net.* | 5256 | F: drivers/net/ethernet/toshiba/ps3_gelic_net.* |
| 5153 | 5257 | ||
| 5154 | PS3 PLATFORM SUPPORT | 5258 | PS3 PLATFORM SUPPORT |
| 5155 | M: Geoff Levand <geoff@infradead.org> | 5259 | M: Geoff Levand <geoff@infradead.org> |
| @@ -5267,23 +5371,24 @@ M: linux-driver@qlogic.com · 111 unmodified lines | |||
| 5267 | L: netdev@vger.kernel.org | 5371 | L: netdev@vger.kernel.org |
| 5268 | S: Supported | 5372 | S: Supported |
| 5269 | F: Documentation/networking/LICENSE.qla3xxx | 5373 | F: Documentation/networking/LICENSE.qla3xxx |
| 5270 | F: drivers/net/qla3xxx.* | 5374 | F: drivers/net/ethernet/qlogic/qla3xxx.* |
| 5271 | 5375 | ||
| 5272 | QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER | 5376 | QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER |
| 5273 | M: Amit Kumar Salecha <amit.salecha@qlogic.com> | ||
| 5274 | M: Anirban Chakraborty <anirban.chakraborty@qlogic.com> | 5377 | M: Anirban Chakraborty <anirban.chakraborty@qlogic.com> |
| 5378 | M: Sony Chacko <sony.chacko@qlogic.com> | ||
| 5275 | M: linux-driver@qlogic.com | 5379 | M: linux-driver@qlogic.com |
| 5276 | L: netdev@vger.kernel.org | 5380 | L: netdev@vger.kernel.org |
| 5277 | S: Supported | 5381 | S: Supported |
| 5278 | F: drivers/net/qlcnic/ | 5382 | F: drivers/net/ethernet/qlogic/qlcnic/ |
| 5279 | 5383 | ||
| 5280 | QLOGIC QLGE 10Gb ETHERNET DRIVER | 5384 | QLOGIC QLGE 10Gb ETHERNET DRIVER |
| 5385 | M: Anirban Chakraborty <anirban.chakraborty@qlogic.com> | ||
| 5281 | M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> | 5386 | M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> |
| 5282 | M: Ron Mercer <ron.mercer@qlogic.com> | 5387 | M: Ron Mercer <ron.mercer@qlogic.com> |
| 5283 | M: linux-driver@qlogic.com | 5388 | M: linux-driver@qlogic.com |
| 5284 | L: netdev@vger.kernel.org | 5389 | L: netdev@vger.kernel.org |
| 5285 | S: Supported | 5390 | S: Supported |
| 5286 | F: drivers/net/qlge/ | 5391 | F: drivers/net/ethernet/qlogic/qlge/ |
| 5287 | 5392 | ||
| 5288 | QNX4 FILESYSTEM | 5393 | QNX4 FILESYSTEM |
| 5289 | M: Anders Larsen <al@alarsen.net> | 5394 | M: Anders Larsen <al@alarsen.net> |
| @@ -5293,6 +5398,12 @@ F: fs/qnx4/ · 3 unmodified lines | |||
| 5293 | F: include/linux/qnx4_fs.h | 5398 | F: include/linux/qnx4_fs.h |
| 5294 | F: include/linux/qnxtypes.h | 5399 | F: include/linux/qnxtypes.h |
| 5295 | 5400 | ||
| 5401 | QUALCOMM HEXAGON ARCHITECTURE | ||
| 5402 | M: Richard Kuo <rkuo@codeaurora.org> | ||
| 5403 | L: linux-hexagon@vger.kernel.org | ||
| 5404 | S: Supported | ||
| 5405 | F: arch/hexagon/ | ||
| 5406 | |||
| 5296 | RADOS BLOCK DEVICE (RBD) | 5407 | RADOS BLOCK DEVICE (RBD) |
| 5297 | F: include/linux/qnxtypes.h | 5408 | F: include/linux/qnxtypes.h |
| 5298 | M: Yehuda Sadeh <yehuda@hq.newdream.net> | 5409 | M: Yehuda Sadeh <yehuda@hq.newdream.net> |
| @@ -5365,10 +5476,10 @@ RDC R6040 FAST ETHERNET DRIVER · 66 unmodified lines | |||
| 5365 | M: Florian Fainelli <florian@openwrt.org> | 5476 | M: Florian Fainelli <florian@openwrt.org> |
| 5366 | L: netdev@vger.kernel.org | 5477 | L: netdev@vger.kernel.org |
| 5367 | S: Maintained | 5478 | S: Maintained |
| 5368 | F: drivers/net/r6040.c | 5479 | F: drivers/net/ethernet/rdc/r6040.c |
| 5369 | 5480 | ||
| 5370 | RDS - RELIABLE DATAGRAM SOCKETS | 5481 | RDS - RELIABLE DATAGRAM SOCKETS |
| 5371 | M: Andy Grover <andy.grover@oracle.com> | 5482 | M: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> |
| 5372 | L: rds-devel@oss.oracle.com (moderated for non-subscribers) | 5483 | L: rds-devel@oss.oracle.com (moderated for non-subscribers) |
| 5373 | S: Supported | 5484 | S: Supported |
| 5374 | F: net/rds/ | 5485 | F: net/rds/ |
| @@ -5769,7 +5880,7 @@ M: Ajit Khaparde <ajit.khaparde@emulex.com> · 394 unmodified lines | |||
| 5769 | L: netdev@vger.kernel.org | 5880 | L: netdev@vger.kernel.org |
| 5770 | W: http://www.emulex.com | 5881 | W: http://www.emulex.com |
| 5771 | S: Supported | 5882 | S: Supported |
| 5772 | F: drivers/net/benet/ | 5883 | F: drivers/net/ethernet/emulex/benet/ |
| 5773 | 5884 | ||
| 5774 | SFC NETWORK DRIVER | 5885 | SFC NETWORK DRIVER |
| 5775 | M: Solarflare linux maintainers <linux-net-drivers@solarflare.com> | 5886 | M: Solarflare linux maintainers <linux-net-drivers@solarflare.com> |
| @@ -5777,7 +5888,7 @@ M: Steve Hodgson <shodgson@solarflare.com> · 1 unmodified line | |||
| 5777 | M: Ben Hutchings <bhutchings@solarflare.com> | 5888 | M: Ben Hutchings <bhutchings@solarflare.com> |
| 5778 | L: netdev@vger.kernel.org | 5889 | L: netdev@vger.kernel.org |
| 5779 | S: Supported | 5890 | S: Supported |
| 5780 | F: drivers/net/sfc/ | 5891 | F: drivers/net/ethernet/sfc/ |
| 5781 | 5892 | ||
| 5782 | SGI GRU DRIVER | 5893 | SGI GRU DRIVER |
| 5783 | M: Jack Steiner <steiner@sgi.com> | 5894 | M: Jack Steiner <steiner@sgi.com> |
| @@ -5843,14 +5954,14 @@ SIS 190 ETHERNET DRIVER · 59 unmodified lines | |||
| 5843 | M: Francois Romieu <romieu@fr.zoreil.com> | 5954 | M: Francois Romieu <romieu@fr.zoreil.com> |
| 5844 | L: netdev@vger.kernel.org | 5955 | L: netdev@vger.kernel.org |
| 5845 | S: Maintained | 5956 | S: Maintained |
| 5846 | F: drivers/net/sis190.c | 5957 | F: drivers/net/ethernet/sis/sis190.c |
| 5847 | 5958 | ||
| 5848 | SIS 900/7016 FAST ETHERNET DRIVER | 5959 | SIS 900/7016 FAST ETHERNET DRIVER |
| 5849 | M: Daniele Venzano <venza@brownhat.org> | 5960 | M: Daniele Venzano <venza@brownhat.org> |
| 5850 | W: http://www.brownhat.org/sis900.html | 5961 | W: http://www.brownhat.org/sis900.html |
| 5851 | L: netdev@vger.kernel.org | 5962 | L: netdev@vger.kernel.org |
| 5852 | S: Maintained | 5963 | S: Maintained |
| 5853 | F: drivers/net/sis900.* | 5964 | F: drivers/net/ethernet/sis/sis900.* |
| 5854 | 5965 | ||
| 5855 | SIS 96X I2C/SMBUS DRIVER | 5966 | SIS 96X I2C/SMBUS DRIVER |
| 5856 | M: "Mark M. Hoffman" <mhoffman@lightlink.com> | 5967 | M: "Mark M. Hoffman" <mhoffman@lightlink.com> |
| @@ -5877,8 +5988,7 @@ SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS · 20 unmodified lines | |||
| 5877 | M: Stephen Hemminger <shemminger@linux-foundation.org> | 5988 | M: Stephen Hemminger <shemminger@linux-foundation.org> |
| 5878 | L: netdev@vger.kernel.org | 5989 | L: netdev@vger.kernel.org |
| 5879 | S: Maintained | 5990 | S: Maintained |
| 5880 | F: drivers/net/skge.* | 5991 | F: drivers/net/ethernet/marvell/sk* |
| 5881 | F: drivers/net/sky2.* | ||
| 5882 | 5992 | ||
| 5883 | SLAB ALLOCATOR | 5993 | SLAB ALLOCATOR |
| 5884 | M: Christoph Lameter <cl@linux-foundation.org> | 5994 | M: Christoph Lameter <cl@linux-foundation.org> |
| @@ -5892,7 +6002,7 @@ F: mm/sl?b.c · 7 unmodified lines | |||
| 5892 | SMC91x ETHERNET DRIVER | 6002 | SMC91x ETHERNET DRIVER |
| 5893 | M: Nicolas Pitre <nico@fluxnic.net> | 6003 | M: Nicolas Pitre <nico@fluxnic.net> |
| 5894 | S: Odd Fixes | 6004 | S: Odd Fixes |
| 5895 | F: drivers/net/smc91x.* | 6005 | F: drivers/net/ethernet/smsc/smc91x.* |
| 5896 | 6006 | ||
| 5897 | SMM665 HARDWARE MONITOR DRIVER | 6007 | SMM665 HARDWARE MONITOR DRIVER |
| 5898 | M: Guenter Roeck <linux@roeck-us.net> | 6008 | M: Guenter Roeck <linux@roeck-us.net> |
| @@ -5927,13 +6037,19 @@ M: Steve Glendinning <steve.glendinning@smsc.com> · 28 unmodified lines | |||
| 5927 | L: netdev@vger.kernel.org | 6037 | L: netdev@vger.kernel.org |
| 5928 | S: Supported | 6038 | S: Supported |
| 5929 | F: include/linux/smsc911x.h | 6039 | F: include/linux/smsc911x.h |
| 5930 | F: drivers/net/smsc911x.* | 6040 | F: drivers/net/ethernet/smsc/smsc911x.* |
| 5931 | 6041 | ||
| 5932 | SMSC9420 PCI ETHERNET DRIVER | 6042 | SMSC9420 PCI ETHERNET DRIVER |
| 5933 | M: Steve Glendinning <steve.glendinning@smsc.com> | 6043 | M: Steve Glendinning <steve.glendinning@smsc.com> |
| 5934 | L: netdev@vger.kernel.org | 6044 | L: netdev@vger.kernel.org |
| 5935 | S: Supported | 6045 | S: Supported |
| 5936 | F: drivers/net/smsc9420.* | 6046 | F: drivers/net/ethernet/smsc/smsc9420.* |
| 6047 | |||
| 6048 | SMSC UFX6000 and UFX7000 USB to VGA DRIVER | ||
| 6049 | M: Steve Glendinning <steve.glendinning@smsc.com> | ||
| 6050 | L: linux-fbdev@vger.kernel.org | ||
| 6051 | S: Supported | ||
| 6052 | F: drivers/video/smscufx.c | ||
| 5937 | 6053 | ||
| 5938 | SN-IA64 (Itanium) SUB-PLATFORM | 6054 | SN-IA64 (Itanium) SUB-PLATFORM |
| 5939 | M: Jes Sorensen <jes@sgi.com> | 6055 | M: Jes Sorensen <jes@sgi.com> |
| @@ -5967,7 +6083,7 @@ SONIC NETWORK DRIVER · 27 unmodified lines | |||
| 5967 | M: Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 6083 | M: Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
| 5968 | L: netdev@vger.kernel.org | 6084 | L: netdev@vger.kernel.org |
| 5969 | S: Maintained | 6085 | S: Maintained |
| 5970 | F: drivers/net/sonic.* | 6086 | F: drivers/net/ethernet/natsemi/sonic.* |
| 5971 | 6087 | ||
| 5972 | SONICS SILICON BACKPLANE DRIVER (SSB) | 6088 | SONICS SILICON BACKPLANE DRIVER (SSB) |
| 5973 | M: Michael Buesch <m@bues.ch> | 6089 | M: Michael Buesch <m@bues.ch> |
| @@ -6004,7 +6120,7 @@ M: Jaroslav Kysela <perex@perex.cz> · 30 unmodified lines | |||
| 6004 | M: Takashi Iwai <tiwai@suse.de> | 6120 | M: Takashi Iwai <tiwai@suse.de> |
| 6005 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 6121 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| 6006 | W: http://www.alsa-project.org/ | 6122 | W: http://www.alsa-project.org/ |
| 6007 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git | 6123 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git |
| 6008 | T: git git://git.alsa-project.org/alsa-kernel.git | 6124 | T: git git://git.alsa-project.org/alsa-kernel.git |
| 6009 | S: Maintained | 6125 | S: Maintained |
| 6010 | F: Documentation/sound/ | 6126 | F: Documentation/sound/ |
| @@ -6014,7 +6130,7 @@ F: sound/ · 3 unmodified lines | |||
| 6014 | SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC) | 6130 | SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC) |
| 6015 | M: Liam Girdwood <lrg@ti.com> | 6131 | M: Liam Girdwood <lrg@ti.com> |
| 6016 | M: Mark Brown <broonie@opensource.wolfsonmicro.com> | 6132 | M: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 6017 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6.git | 6133 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git |
| 6018 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 6134 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| 6019 | W: http://alsa-project.org/main/index.php/ASoC | 6135 | W: http://alsa-project.org/main/index.php/ASoC |
| 6020 | S: Supported | 6136 | S: Supported |
| @@ -6108,7 +6224,7 @@ M: Jens Osterkamp <jens@de.ibm.com> · 87 unmodified lines | |||
| 6108 | L: netdev@vger.kernel.org | 6224 | L: netdev@vger.kernel.org |
| 6109 | S: Supported | 6225 | S: Supported |
| 6110 | F: Documentation/networking/spider_net.txt | 6226 | F: Documentation/networking/spider_net.txt |
| 6111 | F: drivers/net/spider_net* | 6227 | F: drivers/net/ethernet/toshiba/spider_net* |
| 6112 | 6228 | ||
| 6113 | SPU FILE SYSTEM | 6229 | SPU FILE SYSTEM |
| 6114 | M: Jeremy Kerr <jk@ozlabs.org> | 6230 | M: Jeremy Kerr <jk@ozlabs.org> |
| @@ -6139,7 +6255,7 @@ S: Maintained · 24 unmodified lines | |||
| 6139 | 6255 | ||
| 6140 | STAGING SUBSYSTEM | 6256 | STAGING SUBSYSTEM |
| 6141 | M: Greg Kroah-Hartman <gregkh@suse.de> | 6257 | M: Greg Kroah-Hartman <gregkh@suse.de> |
| 6142 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6.git | 6258 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git |
| 6143 | L: devel@driverdev.osuosl.org | 6259 | L: devel@driverdev.osuosl.org |
| 6144 | S: Maintained | 6260 | S: Maintained |
| 6145 | F: drivers/staging/ | 6261 | F: drivers/staging/ |
| @@ -6155,12 +6271,6 @@ M: Jakub Schmidtke <sjakub@gmail.com> · 9 unmodified lines | |||
| 6155 | S: Odd Fixes | 6271 | S: Odd Fixes |
| 6156 | F: drivers/staging/asus_oled/ | 6272 | F: drivers/staging/asus_oled/ |
| 6157 | 6273 | ||
| 6158 | STAGING - ATHEROS ATH6KL WIRELESS DRIVER | ||
| 6159 | M: Luis R. Rodriguez <mcgrof@gmail.com> | ||
| 6160 | M: Naveen Singh <nsingh@atheros.com> | ||
| 6161 | S: Odd Fixes | ||
| 6162 | F: drivers/staging/ath6kl/ | ||
| 6163 | |||
| 6164 | STAGING - COMEDI | 6274 | STAGING - COMEDI |
| 6165 | M: Ian Abbott <abbotti@mev.co.uk> | 6275 | M: Ian Abbott <abbotti@mev.co.uk> |
| 6166 | M: Mori Hess <fmhess@users.sourceforge.net> | 6276 | M: Mori Hess <fmhess@users.sourceforge.net> |
| @@ -6186,6 +6296,11 @@ M: David Rowe <david@rowetel.com> · 19 unmodified lines | |||
| 6186 | S: Odd Fixes | 6296 | S: Odd Fixes |
| 6187 | F: drivers/staging/echo/ | 6297 | F: drivers/staging/echo/ |
| 6188 | 6298 | ||
| 6299 | STAGING - ET131X NETWORK DRIVER | ||
| 6300 | M: Mark Einon <mark.einon@gmail.com> | ||
| 6301 | S: Odd Fixes | ||
| 6302 | F: drivers/staging/et131x/ | ||
| 6303 | |||
| 6189 | STAGING - FLARION FT1000 DRIVERS | 6304 | STAGING - FLARION FT1000 DRIVERS |
| 6190 | M: Marek Belisko <marek.belisko@gmail.com> | 6305 | M: Marek Belisko <marek.belisko@gmail.com> |
| 6191 | S: Odd Fixes | 6306 | S: Odd Fixes |
| @@ -6214,6 +6329,13 @@ W: http://www.lirc.org/ · 22 unmodified lines | |||
| 6214 | S: Odd Fixes | 6329 | S: Odd Fixes |
| 6215 | F: drivers/staging/lirc/ | 6330 | F: drivers/staging/lirc/ |
| 6216 | 6331 | ||
| 6332 | STAGING - NVIDIA COMPLIANT EMBEDDED CONTROLLER INTERFACE (nvec) | ||
| 6333 | M: Julian Andres Klode <jak@jak-linux.org> | ||
| 6334 | M: Marc Dietrich <marvin24@gmx.de> | ||
| 6335 | L: ac100@lists.launchpad.net (moderated for non-subscribers) | ||
| 6336 | S: Maintained | ||
| 6337 | F: drivers/staging/nvec/ | ||
| 6338 | |||
| 6217 | STAGING - OLPC SECONDARY DISPLAY CONTROLLER (DCON) | 6339 | STAGING - OLPC SECONDARY DISPLAY CONTROLLER (DCON) |
| 6218 | M: Andres Salomon <dilinger@queued.net> | 6340 | M: Andres Salomon <dilinger@queued.net> |
| 6219 | M: Chris Ball <cjb@laptop.org> | 6341 | M: Chris Ball <cjb@laptop.org> |
| @@ -6286,7 +6408,7 @@ F: drivers/staging/xgifb/ · 66 unmodified lines | |||
| 6286 | STARFIRE/DURALAN NETWORK DRIVER | 6408 | STARFIRE/DURALAN NETWORK DRIVER |
| 6287 | M: Ion Badulescu <ionut@badula.org> | 6409 | M: Ion Badulescu <ionut@badula.org> |
| 6288 | S: Odd Fixes | 6410 | S: Odd Fixes |
| 6289 | F: drivers/net/starfire* | 6411 | F: drivers/net/ethernet/adaptec/starfire* |
| 6290 | 6412 | ||
| 6291 | SUN3/3X | 6413 | SUN3/3X |
| 6292 | M: Sam Creasey <sammy@sammy.net> | 6414 | M: Sam Creasey <sammy@sammy.net> |
| @@ -6295,6 +6417,7 @@ S: Maintained · 2 unmodified lines | |||
| 6295 | F: arch/m68k/kernel/*sun3* | 6417 | F: arch/m68k/kernel/*sun3* |
| 6296 | F: arch/m68k/sun3*/ | 6418 | F: arch/m68k/sun3*/ |
| 6297 | F: arch/m68k/include/asm/sun3* | 6419 | F: arch/m68k/include/asm/sun3* |
| 6420 | F: drivers/net/ethernet/i825xx/sun3* | ||
| 6298 | 6421 | ||
| 6299 | SUPERH | 6422 | SUPERH |
| 6300 | M: Paul Mundt <lethal@linux-sh.org> | 6423 | M: Paul Mundt <lethal@linux-sh.org> |
| @@ -6311,7 +6434,7 @@ SUSPEND TO RAM · 10 unmodified lines | |||
| 6311 | M: Len Brown <len.brown@intel.com> | 6434 | M: Len Brown <len.brown@intel.com> |
| 6312 | M: Pavel Machek <pavel@ucw.cz> | 6435 | M: Pavel Machek <pavel@ucw.cz> |
| 6313 | M: "Rafael J. Wysocki" <rjw@sisk.pl> | 6436 | M: "Rafael J. Wysocki" <rjw@sisk.pl> |
| 6314 | L: linux-pm@lists.linux-foundation.org | 6437 | L: linux-pm@vger.kernel.org |
| 6315 | S: Supported | 6438 | S: Supported |
| 6316 | F: Documentation/power/ | 6439 | F: Documentation/power/ |
| 6317 | F: arch/x86/kernel/acpi/ | 6440 | F: arch/x86/kernel/acpi/ |
| @@ -6382,7 +6505,7 @@ TEHUTI ETHERNET DRIVER · 64 unmodified lines | |||
| 6382 | M: Andy Gospodarek <andy@greyhouse.net> | 6505 | M: Andy Gospodarek <andy@greyhouse.net> |
| 6383 | L: netdev@vger.kernel.org | 6506 | L: netdev@vger.kernel.org |
| 6384 | S: Supported | 6507 | S: Supported |
| 6385 | F: drivers/net/tehuti* | 6508 | F: drivers/net/ethernet/tehuti/* |
| 6386 | 6509 | ||
| 6387 | Telecom Clock Driver for MCPL0010 | 6510 | Telecom Clock Driver for MCPL0010 |
| 6388 | M: Mark Gross <mark.gross@intel.com> | 6511 | M: Mark Gross <mark.gross@intel.com> |
| @@ -6433,7 +6556,7 @@ W: http://www.tilera.com/scm/ · 44 unmodified lines | |||
| 6433 | S: Supported | 6556 | S: Supported |
| 6434 | F: arch/tile/ | 6557 | F: arch/tile/ |
| 6435 | F: drivers/tty/hvc/hvc_tile.c | 6558 | F: drivers/tty/hvc/hvc_tile.c |
| 6436 | F: drivers/net/tile/ | 6559 | F: drivers/net/ethernet/tile/ |
| 6437 | F: drivers/edac/tile_edac.c | 6560 | F: drivers/edac/tile_edac.c |
| 6438 | 6561 | ||
| 6439 | TLAN NETWORK DRIVER | 6562 | TLAN NETWORK DRIVER |
| @@ -6442,7 +6565,7 @@ L: tlan-devel@lists.sourceforge.net (subscribers-only) · 2 unmodified lines | |||
| 6442 | W: http://sourceforge.net/projects/tlan/ | 6565 | W: http://sourceforge.net/projects/tlan/ |
| 6443 | S: Maintained | 6566 | S: Maintained |
| 6444 | F: Documentation/networking/tlan.txt | 6567 | F: Documentation/networking/tlan.txt |
| 6445 | F: drivers/net/tlan.* | 6568 | F: drivers/net/ethernet/ti/tlan.* |
| 6446 | 6569 | ||
| 6447 | TOMOYO SECURITY MODULE | 6570 | TOMOYO SECURITY MODULE |
| 6448 | M: Kentaro Takeda <takedakn@nttdata.co.jp> | 6571 | M: Kentaro Takeda <takedakn@nttdata.co.jp> |
| @@ -6536,7 +6659,7 @@ TULIP NETWORK DRIVERS · 87 unmodified lines | |||
| 6536 | M: Grant Grundler <grundler@parisc-linux.org> | 6659 | M: Grant Grundler <grundler@parisc-linux.org> |
| 6537 | L: netdev@vger.kernel.org | 6660 | L: netdev@vger.kernel.org |
| 6538 | S: Maintained | 6661 | S: Maintained |
| 6539 | F: drivers/net/tulip/ | 6662 | F: drivers/net/ethernet/tulip/ |
| 6540 | 6663 | ||
| 6541 | TUN/TAP driver | 6664 | TUN/TAP driver |
| 6542 | M: Maxim Krasnyansky <maxk@qualcomm.com> | 6665 | M: Maxim Krasnyansky <maxk@qualcomm.com> |
| @@ -6582,11 +6705,10 @@ W: http://uclinux-h8.sourceforge.jp/ · 39 unmodified lines | |||
| 6582 | S: Supported | 6705 | S: Supported |
| 6583 | F: arch/h8300/ | 6706 | F: arch/h8300/ |
| 6584 | F: drivers/ide/ide-h8300.c | 6707 | F: drivers/ide/ide-h8300.c |
| 6585 | F: drivers/net/ne-h8300.c | 6708 | F: drivers/net/ethernet/8390/ne-h8300.c |
| 6586 | 6709 | ||
| 6587 | UDF FILESYSTEM | 6710 | UDF FILESYSTEM |
| 6588 | M: Jan Kara <jack@suse.cz> | 6711 | M: Jan Kara <jack@suse.cz> |
| 6589 | W: http://linux-udf.sourceforge.net | ||
| 6590 | S: Maintained | 6712 | S: Maintained |
| 6591 | F: Documentation/filesystems/udf.txt | 6713 | F: Documentation/filesystems/udf.txt |
| 6592 | F: fs/udf/ | 6714 | F: fs/udf/ |
| @@ -7010,7 +7132,7 @@ F: include/linux/vhost.h · 417 unmodified lines | |||
| 7010 | VIA RHINE NETWORK DRIVER | 7132 | VIA RHINE NETWORK DRIVER |
| 7011 | M: Roger Luethi <rl@hellgate.ch> | 7133 | M: Roger Luethi <rl@hellgate.ch> |
| 7012 | S: Maintained | 7134 | S: Maintained |
| 7013 | F: drivers/net/via-rhine.c | 7135 | F: drivers/net/ethernet/via/via-rhine.c |
| 7014 | 7136 | ||
| 7015 | VIAPRO SMBUS DRIVER | 7137 | VIAPRO SMBUS DRIVER |
| 7016 | M: Jean Delvare <khali@linux-fr.org> | 7138 | M: Jean Delvare <khali@linux-fr.org> |
| @@ -7038,7 +7160,7 @@ VIA VELOCITY NETWORK DRIVER · 21 unmodified lines | |||
| 7038 | M: Francois Romieu <romieu@fr.zoreil.com> | 7160 | M: Francois Romieu <romieu@fr.zoreil.com> |
| 7039 | L: netdev@vger.kernel.org | 7161 | L: netdev@vger.kernel.org |
| 7040 | S: Maintained | 7162 | S: Maintained |
| 7041 | F: drivers/net/via-velocity.* | 7163 | F: drivers/net/ethernet/via/via-velocity.* |
| 7042 | 7164 | ||
| 7043 | VLAN (802.1Q) | 7165 | VLAN (802.1Q) |
| 7044 | M: Patrick McHardy <kaber@trash.net> | 7166 | M: Patrick McHardy <kaber@trash.net> |
| @@ -7218,6 +7340,7 @@ T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus · 173 unmodified lines | |||
| 7218 | W: http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices | 7340 | W: http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices |
| 7219 | S: Supported | 7341 | S: Supported |
| 7220 | F: Documentation/hwmon/wm83?? | 7342 | F: Documentation/hwmon/wm83?? |
| 7343 | F: arch/arm/mach-s3c64xx/mach-crag6410* | ||
| 7221 | F: drivers/leds/leds-wm83*.c | 7344 | F: drivers/leds/leds-wm83*.c |
| 7222 | F: drivers/input/misc/wm831x-on.c | 7345 | F: drivers/input/misc/wm831x-on.c |
| 7223 | F: drivers/input/touchscreen/wm831x-ts.c | 7346 | F: drivers/input/touchscreen/wm831x-ts.c |
| @@ -1,8 +1,8 @@ | |||
| 1 | VERSION = 3 | 1 | VERSION = 3 |
| 2 | PATCHLEVEL = 1 | 2 | PATCHLEVEL = 2 |
| 3 | SUBLEVEL = 0 | 3 | SUBLEVEL = 0 |
| 4 | EXTRAVERSION = | 4 | EXTRAVERSION = -rc1 |
| 5 | NAME = "Divemaster Edition" | 5 | NAME = Saber-toothed Squirrel |
| 6 | 6 | ||
| 7 | # *DOCUMENTATION* | 7 | # *DOCUMENTATION* |
| 8 | # To see a list of typical targets execute "make help" | 8 | # To see a list of typical targets execute "make help" |
| @@ -983,7 +983,6 @@ archprepare: prepare1 scripts_basic · 974 unmodified lines | |||
| 983 | 983 | ||
| 984 | prepare0: archprepare FORCE | 984 | prepare0: archprepare FORCE |
| 985 | $(Q)$(MAKE) $(build)=. | 985 | $(Q)$(MAKE) $(build)=. |
| 986 | $(Q)$(MAKE) $(build)=. missing-syscalls | ||
| 987 | 986 | ||
| 988 | # All the preparing.. | 987 | # All the preparing.. |
| 989 | prepare: prepare0 | 988 | prepare: prepare0 |
| @@ -1198,7 +1197,7 @@ distclean: mrproper · 208 unmodified lines | |||
| 1198 | @find $(srctree) $(RCS_FIND_IGNORE) \ | 1197 | @find $(srctree) $(RCS_FIND_IGNORE) \ |
| 1199 | \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ | 1198 | \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
| 1200 | -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ | 1199 | -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ |
| 1201 | -o -name '.*.rej' -o -size 0 \ | 1200 | -o -name '.*.rej' \ |
| 1202 | -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ | 1201 | -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ |
| 1203 | -type f -print | xargs rm -f | 1202 | -type f -print | xargs rm -f |
| 1204 | 1203 | ||
| @@ -1296,7 +1295,6 @@ help: · 91 unmodified lines | |||
| 1296 | @echo ' 2: warnings which occur quite often but may still be relevant' | 1295 | @echo ' 2: warnings which occur quite often but may still be relevant' |
| 1297 | @echo ' 3: more obscure warnings, can most likely be ignored' | 1296 | @echo ' 3: more obscure warnings, can most likely be ignored' |
| 1298 | @echo ' Multiple levels can be combined with W=12 or W=123' | 1297 | @echo ' Multiple levels can be combined with W=12 or W=123' |
| 1299 | @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' | ||
| 1300 | @echo '' | 1298 | @echo '' |
| 1301 | @echo 'Execute "make" or "make all" to build all targets marked with [*] ' | 1299 | @echo 'Execute "make" or "make all" to build all targets marked with [*] ' |
| 1302 | @echo 'For further info see the ./README file' | 1300 | @echo 'For further info see the ./README file' |
| @@ -445,11 +445,6 @@ config ALPHA_EV67 · 444 unmodified lines | |||
| 445 | Is this a machine based on the EV67 core? If in doubt, select N here | 445 | Is this a machine based on the EV67 core? If in doubt, select N here |
| 446 | and the machine will be treated as an EV6. | 446 | and the machine will be treated as an EV6. |
| 447 | 447 | ||
| 448 | config ALPHA_EV7 | ||
| 449 | bool | ||
| 450 | depends on ALPHA_MARVEL | ||
| 451 | default y | ||
| 452 | |||
| 453 | config ALPHA_MCPCIA | 448 | config ALPHA_MCPCIA |
| 454 | bool | 449 | bool |
| 455 | depends on ALPHA_RAWHIDE | 450 | depends on ALPHA_RAWHIDE |
| @@ -51,8 +51,6 @@ · 50 unmodified lines | |||
| 51 | #define F_EXLCK 16 /* or 3 */ | 51 | #define F_EXLCK 16 /* or 3 */ |
| 52 | #define F_SHLCK 32 /* or 4 */ | 52 | #define F_SHLCK 32 /* or 4 */ |
| 53 | 53 | ||
| 54 | #define F_INPROGRESS 64 | ||
| 55 | |||
| 56 | #include <asm-generic/fcntl.h> | 54 | #include <asm-generic/fcntl.h> |
| 57 | 55 | ||
| 58 | #endif | 56 | #endif |
| @@ -457,10 +457,12 @@ · 456 unmodified lines | |||
| 457 | #define __NR_clock_adjtime 499 | 457 | #define __NR_clock_adjtime 499 |
| 458 | #define __NR_syncfs 500 | 458 | #define __NR_syncfs 500 |
| 459 | #define __NR_setns 501 | 459 | #define __NR_setns 501 |
| 460 | #define __NR_accept4 502 | ||
| 461 | #define __NR_sendmmsg 503 | ||
| 460 | 462 | ||
| 461 | #ifdef __KERNEL__ | 463 | #ifdef __KERNEL__ |
| 462 | 464 | ||
| 463 | #define NR_SYSCALLS 502 | 465 | #define NR_SYSCALLS 504 |
| 464 | 466 | ||
| 465 | #define __ARCH_WANT_IPC_PARSE_VERSION | 467 | #define __ARCH_WANT_IPC_PARSE_VERSION |
| 466 | #define __ARCH_WANT_OLD_READDIR | 468 | #define __ARCH_WANT_OLD_READDIR |
| @@ -303,6 +303,7 @@ irongate_init_arch(void) · 302 unmodified lines | |||
| 303 | #include <linux/vmalloc.h> | 303 | #include <linux/vmalloc.h> |
| 304 | #include <linux/agp_backend.h> | 304 | #include <linux/agp_backend.h> |
| 305 | #include <linux/agpgart.h> | 305 | #include <linux/agpgart.h> |
| 306 | #include <linux/export.h> | ||
| 306 | #include <asm/pgalloc.h> | 307 | #include <asm/pgalloc.h> |
| 307 | 308 | ||
| 308 | #define GET_PAGE_DIR_OFF(addr) (addr >> 22) | 309 | #define GET_PAGE_DIR_OFF(addr) (addr >> 22) |
| @@ -10,6 +10,7 @@ · 9 unmodified lines | |||
| 10 | */ | 10 | */ |
| 11 | 11 | ||
| 12 | #include <linux/sched.h> | 12 | #include <linux/sched.h> |
| 13 | #include <linux/stat.h> | ||
| 13 | #include <linux/slab.h> | 14 | #include <linux/slab.h> |
| 14 | #include <linux/pci.h> | 15 | #include <linux/pci.h> |
| 15 | 16 | ||
| @@ -7,6 +7,7 @@ · 6 unmodified lines | |||
| 7 | #include <linux/pci.h> | 7 | #include <linux/pci.h> |
| 8 | #include <linux/gfp.h> | 8 | #include <linux/gfp.h> |
| 9 | #include <linux/bootmem.h> | 9 | #include <linux/bootmem.h> |
| 10 | #include <linux/export.h> | ||
| 10 | #include <linux/scatterlist.h> | 11 | #include <linux/scatterlist.h> |
| 11 | #include <linux/log2.h> | 12 | #include <linux/log2.h> |
| 12 | #include <linux/dma-mapping.h> | 13 | #include <linux/dma-mapping.h> |
| @@ -43,6 +43,7 @@ · 42 unmodified lines | |||
| 43 | #include <asm/setup.h> | 43 | #include <asm/setup.h> |
| 44 | #include <asm/io.h> | 44 | #include <asm/io.h> |
| 45 | #include <linux/log2.h> | 45 | #include <linux/log2.h> |
| 46 | #include <linux/export.h> | ||
| 46 | 47 | ||
| 47 | extern struct atomic_notifier_head panic_notifier_list; | 48 | extern struct atomic_notifier_head panic_notifier_list; |
| 48 | static int alpha_panic_event(struct notifier_block *, unsigned long, void *); | 49 | static int alpha_panic_event(struct notifier_block *, unsigned long, void *); |
| @@ -520,6 +520,8 @@ sys_call_table: · 519 unmodified lines | |||
| 520 | .quad sys_clock_adjtime | 520 | .quad sys_clock_adjtime |
| 521 | .quad sys_syncfs /* 500 */ | 521 | .quad sys_syncfs /* 500 */ |
| 522 | .quad sys_setns | 522 | .quad sys_setns |
| 523 | .quad sys_accept4 | ||
| 524 | .quad sys_sendmmsg | ||
| 523 | 525 | ||
| 524 | .size sys_call_table, . - sys_call_table | 526 | .size sys_call_table, . - sys_call_table |
| 525 | .type sys_call_table, @object | 527 | .type sys_call_table, @object |
| @@ -29,6 +29,7 @@ config ARM · 28 unmodified lines | |||
| 29 | select HAVE_GENERIC_HARDIRQS | 29 | select HAVE_GENERIC_HARDIRQS |
| 30 | select HAVE_SPARSE_IRQ | 30 | select HAVE_SPARSE_IRQ |
| 31 | select GENERIC_IRQ_SHOW | 31 | select GENERIC_IRQ_SHOW |
| 32 | select CPU_PM if (SUSPEND || CPU_IDLE) | ||
| 32 | help | 33 | help |
| 33 | The ARM series is a line of low-power-consumption RISC chip designs | 34 | The ARM series is a line of low-power-consumption RISC chip designs |
| 34 | licensed by ARM Ltd and targeted at embedded applications and | 35 | licensed by ARM Ltd and targeted at embedded applications and |
| @@ -211,6 +212,19 @@ config ARM_PATCH_PHYS_VIRT · 176 unmodified lines | |||
| 211 | this feature (eg, building a kernel for a single machine) and | 212 | this feature (eg, building a kernel for a single machine) and |
| 212 | you need to shrink the kernel to the minimal size. | 213 | you need to shrink the kernel to the minimal size. |
| 213 | 214 | ||
| 215 | config NEED_MACH_MEMORY_H | ||
| 216 | bool | ||
| 217 | help | ||
| 218 | Select this when mach/memory.h is required to provide special | ||
| 219 | definitions for this platform. The need for mach/memory.h should | ||
| 220 | be avoided when possible. | ||
| 221 | |||
| 222 | config PHYS_OFFSET | ||
| 223 | hex "Physical address of main memory" | ||
| 224 | depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H | ||
| 225 | help | ||
| 226 | Please provide the physical address corresponding to the | ||
| 227 | location of main memory in your system. | ||
| 214 | 228 | ||
| 215 | config GENERIC_BUG | 229 | config GENERIC_BUG |
| 216 | def_bool y | 230 | def_bool y |
| @@ -247,6 +261,7 @@ config ARCH_INTEGRATOR · 30 unmodified lines | |||
| 247 | select GENERIC_CLOCKEVENTS | 261 | select GENERIC_CLOCKEVENTS |
| 248 | select PLAT_VERSATILE | 262 | select PLAT_VERSATILE |
| 249 | select PLAT_VERSATILE_FPGA_IRQ | 263 | select PLAT_VERSATILE_FPGA_IRQ |
| 264 | select NEED_MACH_MEMORY_H | ||
| 250 | help | 265 | help |
| 251 | Support for ARM's Integrator platform. | 266 | Support for ARM's Integrator platform. |
| 252 | 267 | ||
| @@ -262,6 +277,7 @@ config ARCH_REALVIEW · 9 unmodified lines | |||
| 262 | select PLAT_VERSATILE_CLCD | 277 | select PLAT_VERSATILE_CLCD |
| 263 | select ARM_TIMER_SP804 | 278 | select ARM_TIMER_SP804 |
| 264 | select GPIO_PL061 if GPIOLIB | 279 | select GPIO_PL061 if GPIOLIB |
| 280 | select NEED_MACH_MEMORY_H | ||
| 265 | help | 281 | help |
| 266 | This enables support for ARM Ltd RealView boards. | 282 | This enables support for ARM Ltd RealView boards. |
| 267 | 283 | ||
| @@ -318,10 +334,25 @@ config ARCH_BCMRING · 50 unmodified lines | |||
| 318 | help | 334 | help |
| 319 | Support for Broadcom's BCMRing platform. | 335 | Support for Broadcom's BCMRing platform. |
| 320 | 336 | ||
| 337 | config ARCH_HIGHBANK | ||
| 338 | bool "Calxeda Highbank-based" | ||
| 339 | select ARCH_WANT_OPTIONAL_GPIOLIB | ||
| 340 | select ARM_AMBA | ||
| 341 | select ARM_GIC | ||
| 342 | select ARM_TIMER_SP804 | ||
| 343 | select CLKDEV_LOOKUP | ||
| 344 | select CPU_V7 | ||
| 345 | select GENERIC_CLOCKEVENTS | ||
| 346 | select HAVE_ARM_SCU | ||
| 347 | select USE_OF | ||
| 348 | help | ||
| 349 | Support for the Calxeda Highbank SoC based boards. | ||
| 350 | |||
| 321 | config ARCH_CLPS711X | 351 | config ARCH_CLPS711X |
| 322 | bool "Cirrus Logic CLPS711x/EP721x-based" | 352 | bool "Cirrus Logic CLPS711x/EP721x-based" |
| 323 | select CPU_ARM720T | 353 | select CPU_ARM720T |
| 324 | select ARCH_USES_GETTIMEOFFSET | 354 | select ARCH_USES_GETTIMEOFFSET |
| 355 | select NEED_MACH_MEMORY_H | ||
| 325 | help | 356 | help |
| 326 | Support for Cirrus Logic 711x/721x based boards. | 357 | Support for Cirrus Logic 711x/721x based boards. |
| 327 | 358 | ||
| @@ -346,7 +377,6 @@ config ARCH_GEMINI · 18 unmodified lines | |||
| 346 | config ARCH_PRIMA2 | 377 | config ARCH_PRIMA2 |
| 347 | bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform" | 378 | bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform" |
| 348 | select CPU_V7 | 379 | select CPU_V7 |
| 349 | select GENERIC_TIME | ||
| 350 | select NO_IOPORT | 380 | select NO_IOPORT |
| 351 | select GENERIC_CLOCKEVENTS | 381 | select GENERIC_CLOCKEVENTS |
| 352 | select CLKDEV_LOOKUP | 382 | select CLKDEV_LOOKUP |
| @@ -362,6 +392,7 @@ config ARCH_EBSA110 · 9 unmodified lines | |||
| 362 | select ISA | 392 | select ISA |
| 363 | select NO_IOPORT | 393 | select NO_IOPORT |
| 364 | select ARCH_USES_GETTIMEOFFSET | 394 | select ARCH_USES_GETTIMEOFFSET |
| 395 | select NEED_MACH_MEMORY_H | ||
| 365 | help | 396 | help |
| 366 | This is an evaluation board for the StrongARM processor available | 397 | This is an evaluation board for the StrongARM processor available |
| 367 | from Digital. It has limited hardware on-board, including an | 398 | from Digital. It has limited hardware on-board, including an |
| @@ -377,6 +408,7 @@ config ARCH_EP93XX · 9 unmodified lines | |||
| 377 | select ARCH_REQUIRE_GPIOLIB | 408 | select ARCH_REQUIRE_GPIOLIB |
| 378 | select ARCH_HAS_HOLES_MEMORYMODEL | 409 | select ARCH_HAS_HOLES_MEMORYMODEL |
| 379 | select ARCH_USES_GETTIMEOFFSET | 410 | select ARCH_USES_GETTIMEOFFSET |
| 411 | select NEED_MACH_MEMORY_H | ||
| 380 | help | 412 | help |
| 381 | This enables support for the Cirrus EP93xx series of CPUs. | 413 | This enables support for the Cirrus EP93xx series of CPUs. |
| 382 | 414 | ||
| @@ -386,6 +418,7 @@ config ARCH_FOOTBRIDGE · 3 unmodified lines | |||
| 386 | select FOOTBRIDGE | 418 | select FOOTBRIDGE |
| 387 | select GENERIC_CLOCKEVENTS | 419 | select GENERIC_CLOCKEVENTS |
| 388 | select HAVE_IDE | 420 | select HAVE_IDE |
| 421 | select NEED_MACH_MEMORY_H | ||
| 389 | help | 422 | help |
| 390 | Support for systems based on the DC21285 companion chip | 423 | Support for systems based on the DC21285 companion chip |
| 391 | ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. | 424 | ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. |
| @@ -398,6 +431,7 @@ config ARCH_MXC · 6 unmodified lines | |||
| 398 | select CLKSRC_MMIO | 431 | select CLKSRC_MMIO |
| 399 | select GENERIC_IRQ_CHIP | 432 | select GENERIC_IRQ_CHIP |
| 400 | select HAVE_SCHED_CLOCK | 433 | select HAVE_SCHED_CLOCK |
| 434 | select MULTI_IRQ_HANDLER | ||
| 401 | help | 435 | help |
| 402 | Support for Freescale MXC/iMX-based family of processors | 436 | Support for Freescale MXC/iMX-based family of processors |
| 403 | 437 | ||
| @@ -435,6 +469,7 @@ config ARCH_IOP13XX · 31 unmodified lines | |||
| 435 | select PCI | 469 | select PCI |
| 436 | select ARCH_SUPPORTS_MSI | 470 | select ARCH_SUPPORTS_MSI |
| 437 | select VMSPLIT_1G | 471 | select VMSPLIT_1G |
| 472 | select NEED_MACH_MEMORY_H | ||
| 438 | help | 473 | help |
| 439 | Support for Intel's IOP13XX (XScale) family of processors. | 474 | Support for Intel's IOP13XX (XScale) family of processors. |
| 440 | 475 | ||
| @@ -465,6 +500,7 @@ config ARCH_IXP23XX · 24 unmodified lines | |||
| 465 | select CPU_XSC3 | 500 | select CPU_XSC3 |
| 466 | select PCI | 501 | select PCI |
| 467 | select ARCH_USES_GETTIMEOFFSET | 502 | select ARCH_USES_GETTIMEOFFSET |
| 503 | select NEED_MACH_MEMORY_H | ||
| 468 | help | 504 | help |
| 469 | Support for Intel's IXP23xx (XScale) family of processors. | 505 | Support for Intel's IXP23xx (XScale) family of processors. |
| 470 | 506 | ||
| @@ -474,6 +510,7 @@ config ARCH_IXP2000 · 3 unmodified lines | |||
| 474 | select CPU_XSCALE | 510 | select CPU_XSCALE |
| 475 | select PCI | 511 | select PCI |
| 476 | select ARCH_USES_GETTIMEOFFSET | 512 | select ARCH_USES_GETTIMEOFFSET |
| 513 | select NEED_MACH_MEMORY_H | ||
| 477 | help | 514 | help |
| 478 | Support for Intel's IXP2400/2800 (XScale) family of processors. | 515 | Support for Intel's IXP2400/2800 (XScale) family of processors. |
| 479 | 516 | ||
| @@ -520,7 +557,6 @@ config ARCH_LPC32XX · 40 unmodified lines | |||
| 520 | select ARM_AMBA | 557 | select ARM_AMBA |
| 521 | select USB_ARCH_HAS_OHCI | 558 | select USB_ARCH_HAS_OHCI |
| 522 | select CLKDEV_LOOKUP | 559 | select CLKDEV_LOOKUP |
| 523 | select GENERIC_TIME | ||
| 524 | select GENERIC_CLOCKEVENTS | 560 | select GENERIC_CLOCKEVENTS |
| 525 | help | 561 | help |
| 526 | Support for the NXP LPC32XX family of processors | 562 | Support for the NXP LPC32XX family of processors |
| @@ -559,6 +595,7 @@ config ARCH_MMP · 32 unmodified lines | |||
| 559 | select TICK_ONESHOT | 595 | select TICK_ONESHOT |
| 560 | select PLAT_PXA | 596 | select PLAT_PXA |
| 561 | select SPARSE_IRQ | 597 | select SPARSE_IRQ |
| 598 | select GENERIC_ALLOCATOR | ||
| 562 | help | 599 | help |
| 563 | Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. | 600 | Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. |
| 564 | 601 | ||
| @@ -567,6 +604,7 @@ config ARCH_KS8695 · 2 unmodified lines | |||
| 567 | select CPU_ARM922T | 604 | select CPU_ARM922T |
| 568 | select ARCH_REQUIRE_GPIOLIB | 605 | select ARCH_REQUIRE_GPIOLIB |
| 569 | select ARCH_USES_GETTIMEOFFSET | 606 | select ARCH_USES_GETTIMEOFFSET |
| 607 | select NEED_MACH_MEMORY_H | ||
| 570 | help | 608 | help |
| 571 | Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based | 609 | Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based |
| 572 | System-on-Chip devices. | 610 | System-on-Chip devices. |
| @@ -587,19 +625,10 @@ config ARCH_W90X900 · 14 unmodified lines | |||
| 587 | <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ | 625 | <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ |
| 588 | ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> | 626 | ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> |
| 589 | 627 | ||
| 590 | config ARCH_NUC93X | ||
| 591 | bool "Nuvoton NUC93X CPU" | ||
| 592 | select CPU_ARM926T | ||
| 593 | select CLKDEV_LOOKUP | ||
| 594 | help | ||
| 595 | Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a | ||
| 596 | low-power and high performance MPEG-4/JPEG multimedia controller chip. | ||
| 597 | |||
| 598 | config ARCH_TEGRA | 628 | config ARCH_TEGRA |
| 599 | bool "NVIDIA Tegra" | 629 | bool "NVIDIA Tegra" |
| 600 | select CLKDEV_LOOKUP | 630 | select CLKDEV_LOOKUP |
| 601 | select CLKSRC_MMIO | 631 | select CLKSRC_MMIO |
| 602 | select GENERIC_TIME | ||
| 603 | select GENERIC_CLOCKEVENTS | 632 | select GENERIC_CLOCKEVENTS |
| 604 | select GENERIC_GPIO | 633 | select GENERIC_GPIO |
| 605 | select HAVE_CLK | 634 | select HAVE_CLK |
| @@ -609,6 +638,24 @@ config ARCH_TEGRA · 3 unmodified lines | |||
| 609 | This enables support for NVIDIA Tegra based systems (Tegra APX, | 638 | This enables support for NVIDIA Tegra based systems (Tegra APX, |
| 610 | Tegra 6xx and Tegra 2 series). | 639 | Tegra 6xx and Tegra 2 series). |
| 611 | 640 | ||
| 641 | config ARCH_PICOXCELL | ||
| 642 | bool "Picochip picoXcell" | ||
| 643 | select ARCH_REQUIRE_GPIOLIB | ||
| 644 | select ARM_PATCH_PHYS_VIRT | ||
| 645 | select ARM_VIC | ||
| 646 | select CPU_V6K | ||
| 647 | select DW_APB_TIMER | ||
| 648 | select GENERIC_CLOCKEVENTS | ||
| 649 | select GENERIC_GPIO | ||
| 650 | select HAVE_SCHED_CLOCK | ||
| 651 | select HAVE_TCM | ||
| 652 | select NO_IOPORT | ||
| 653 | select USE_OF | ||
| 654 | help | ||
| 655 | This enables support for systems based on the Picochip picoXcell | ||
| 656 | family of Femtocell devices. The picoxcell support requires device tree | ||
| 657 | for all boards. | ||
| 658 | |||
| 612 | config ARCH_PNX4008 | 659 | config ARCH_PNX4008 |
| 613 | bool "Philips Nexperia PNX4008 Mobile" | 660 | bool "Philips Nexperia PNX4008 Mobile" |
| 614 | select CPU_ARM926T | 661 | select CPU_ARM926T |
| @@ -660,6 +707,7 @@ config ARCH_SHMOBILE · 45 unmodified lines | |||
| 660 | select SPARSE_IRQ | 707 | select SPARSE_IRQ |
| 661 | select MULTI_IRQ_HANDLER | 708 | select MULTI_IRQ_HANDLER |
| 662 | select PM_GENERIC_DOMAINS if PM | 709 | select PM_GENERIC_DOMAINS if PM |
| 710 | select NEED_MACH_MEMORY_H | ||
| 663 | help | 711 | help |
| 664 | Support for Renesas's SH-Mobile and R-Mobile ARM platforms. | 712 | Support for Renesas's SH-Mobile and R-Mobile ARM platforms. |
| 665 | 713 | ||
| @@ -675,6 +723,7 @@ config ARCH_RPC · 9 unmodified lines | |||
| 675 | select ARCH_SPARSEMEM_ENABLE | 723 | select ARCH_SPARSEMEM_ENABLE |
| 676 | select ARCH_USES_GETTIMEOFFSET | 724 | select ARCH_USES_GETTIMEOFFSET |
| 677 | select HAVE_IDE | 725 | select HAVE_IDE |
| 726 | select NEED_MACH_MEMORY_H | ||
| 678 | help | 727 | help |
| 679 | On the Acorn Risc-PC, Linux can support the internal IDE disk and | 728 | On the Acorn Risc-PC, Linux can support the internal IDE disk and |
| 680 | CD-ROM interface, serial and parallel port, and the floppy drive. | 729 | CD-ROM interface, serial and parallel port, and the floppy drive. |
| @@ -694,6 +743,7 @@ config ARCH_SA1100 · 13 unmodified lines | |||
| 694 | select TICK_ONESHOT | 743 | select TICK_ONESHOT |
| 695 | select ARCH_REQUIRE_GPIOLIB | 744 | select ARCH_REQUIRE_GPIOLIB |
| 696 | select HAVE_IDE | 745 | select HAVE_IDE |
| 746 | select NEED_MACH_MEMORY_H | ||
| 697 | help | 747 | help |
| 698 | Support for StrongARM 11x0 based boards. | 748 | Support for StrongARM 11x0 based boards. |
| 699 | 749 | ||
| @@ -720,6 +770,7 @@ config ARCH_S3C64XX · 20 unmodified lines | |||
| 720 | select CPU_V6 | 770 | select CPU_V6 |
| 721 | select ARM_VIC | 771 | select ARM_VIC |
| 722 | select HAVE_CLK | 772 | select HAVE_CLK |
| 773 | select HAVE_TCM | ||
| 723 | select CLKDEV_LOOKUP | 774 | select CLKDEV_LOOKUP |
| 724 | select NO_IOPORT | 775 | select NO_IOPORT |
| 725 | select ARCH_USES_GETTIMEOFFSET | 776 | select ARCH_USES_GETTIMEOFFSET |
| @@ -727,11 +778,7 @@ config ARCH_S3C64XX · 1 unmodified line | |||
| 727 | select ARCH_REQUIRE_GPIOLIB | 778 | select ARCH_REQUIRE_GPIOLIB |
| 728 | select SAMSUNG_CLKSRC | 779 | select SAMSUNG_CLKSRC |
| 729 | select SAMSUNG_IRQ_VIC_TIMER | 780 | select SAMSUNG_IRQ_VIC_TIMER |
| 730 | select SAMSUNG_IRQ_UART | ||
| 731 | select S3C_GPIO_TRACK | 781 | select S3C_GPIO_TRACK |
| 732 | select S3C_GPIO_PULL_UPDOWN | ||
| 733 | select S3C_GPIO_CFG_S3C24XX | ||
| 734 | select S3C_GPIO_CFG_S3C64XX | ||
| 735 | select S3C_DEV_NAND | 782 | select S3C_DEV_NAND |
| 736 | select USB_ARCH_HAS_OHCI | 783 | select USB_ARCH_HAS_OHCI |
| 737 | select SAMSUNG_GPIOLIB_4BIT | 784 | select SAMSUNG_GPIOLIB_4BIT |
| @@ -786,11 +833,12 @@ config ARCH_S5PV210 · 48 unmodified lines | |||
| 786 | select HAVE_S3C2410_I2C if I2C | 833 | select HAVE_S3C2410_I2C if I2C |
| 787 | select HAVE_S3C_RTC if RTC_CLASS | 834 | select HAVE_S3C_RTC if RTC_CLASS |
| 788 | select HAVE_S3C2410_WATCHDOG if WATCHDOG | 835 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
| 836 | select NEED_MACH_MEMORY_H | ||
| 789 | help | 837 | help |
| 790 | Samsung S5PV210/S5PC110 series based systems | 838 | Samsung S5PV210/S5PC110 series based systems |
| 791 | 839 | ||
| 792 | config ARCH_EXYNOS4 | 840 | config ARCH_EXYNOS |
| 793 | bool "Samsung EXYNOS4" | 841 | bool "SAMSUNG EXYNOS" |
| 794 | select CPU_V7 | 842 | select CPU_V7 |
| 795 | select ARCH_SPARSEMEM_ENABLE | 843 | select ARCH_SPARSEMEM_ENABLE |
| 796 | select ARCH_HAS_HOLES_MEMORYMODEL | 844 | select ARCH_HAS_HOLES_MEMORYMODEL |
| @@ -802,8 +850,9 @@ config ARCH_EXYNOS4 · 5 unmodified lines | |||
| 802 | select HAVE_S3C_RTC if RTC_CLASS | 850 | select HAVE_S3C_RTC if RTC_CLASS |
| 803 | select HAVE_S3C2410_I2C if I2C | 851 | select HAVE_S3C2410_I2C if I2C |
| 804 | select HAVE_S3C2410_WATCHDOG if WATCHDOG | 852 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
| 853 | select NEED_MACH_MEMORY_H | ||
| 805 | help | 854 | help |
| 806 | Samsung EXYNOS4 series based systems | 855 | Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5) |
| 807 | 856 | ||
| 808 | config ARCH_SHARK | 857 | config ARCH_SHARK |
| 809 | bool "Shark" | 858 | bool "Shark" |
| @@ -813,6 +862,7 @@ config ARCH_SHARK · 3 unmodified lines | |||
| 813 | select ZONE_DMA | 862 | select ZONE_DMA |
| 814 | select PCI | 863 | select PCI |
| 815 | select ARCH_USES_GETTIMEOFFSET | 864 | select ARCH_USES_GETTIMEOFFSET |
| 865 | select NEED_MACH_MEMORY_H | ||
| 816 | help | 866 | help |
| 817 | Support for the StrongARM based Digital DNARD machine, also known | 867 | Support for the StrongARM based Digital DNARD machine, also known |
| 818 | as "Shark" (<http://www.shark-linux.de/shark.html>). | 868 | as "Shark" (<http://www.shark-linux.de/shark.html>). |
| @@ -835,11 +885,14 @@ config ARCH_U300 · 16 unmodified lines | |||
| 835 | select HAVE_SCHED_CLOCK | 885 | select HAVE_SCHED_CLOCK |
| 836 | select HAVE_TCM | 886 | select HAVE_TCM |
| 837 | select ARM_AMBA | 887 | select ARM_AMBA |
| 888 | select ARM_PATCH_PHYS_VIRT | ||
| 838 | select ARM_VIC | 889 | select ARM_VIC |
| 839 | select GENERIC_CLOCKEVENTS | 890 | select GENERIC_CLOCKEVENTS |
| 840 | select CLKDEV_LOOKUP | 891 | select CLKDEV_LOOKUP |
| 841 | select HAVE_MACH_CLKDEV | 892 | select HAVE_MACH_CLKDEV |
| 842 | select GENERIC_GPIO | 893 | select GENERIC_GPIO |
| 894 | select ARCH_REQUIRE_GPIOLIB | ||
| 895 | select NEED_MACH_MEMORY_H | ||
| 843 | help | 896 | help |
| 844 | Support for ST-Ericsson U300 series mobile platforms. | 897 | Support for ST-Ericsson U300 series mobile platforms. |
| 845 | 898 | ||
| @@ -915,7 +968,6 @@ config ARCH_VT8500 · 69 unmodified lines | |||
| 915 | config ARCH_ZYNQ | 968 | config ARCH_ZYNQ |
| 916 | bool "Xilinx Zynq ARM Cortex A9 Platform" | 969 | bool "Xilinx Zynq ARM Cortex A9 Platform" |
| 917 | select CPU_V7 | 970 | select CPU_V7 |
| 918 | select GENERIC_TIME | ||
| 919 | select GENERIC_CLOCKEVENTS | 971 | select GENERIC_CLOCKEVENTS |
| 920 | select CLKDEV_LOOKUP | 972 | select CLKDEV_LOOKUP |
| 921 | select ARM_GIC | 973 | select ARM_GIC |
| @@ -984,8 +1036,6 @@ source "arch/arm/mach-netx/Kconfig" · 62 unmodified lines | |||
| 984 | source "arch/arm/mach-nomadik/Kconfig" | 1036 | source "arch/arm/mach-nomadik/Kconfig" |
| 985 | source "arch/arm/plat-nomadik/Kconfig" | 1037 | source "arch/arm/plat-nomadik/Kconfig" |
| 986 | 1038 | ||
| 987 | source "arch/arm/mach-nuc93x/Kconfig" | ||
| 988 | |||
| 989 | source "arch/arm/plat-omap/Kconfig" | 1039 | source "arch/arm/plat-omap/Kconfig" |
| 990 | 1040 | ||
| 991 | source "arch/arm/mach-omap1/Kconfig" | 1041 | source "arch/arm/mach-omap1/Kconfig" |
| @@ -1029,7 +1079,7 @@ source "arch/arm/mach-s5pc100/Kconfig" · 37 unmodified lines | |||
| 1029 | 1079 | ||
| 1030 | source "arch/arm/mach-s5pv210/Kconfig" | 1080 | source "arch/arm/mach-s5pv210/Kconfig" |
| 1031 | 1081 | ||
| 1032 | source "arch/arm/mach-exynos4/Kconfig" | 1082 | source "arch/arm/mach-exynos/Kconfig" |
| 1033 | 1083 | ||
| 1034 | source "arch/arm/mach-shmobile/Kconfig" | 1084 | source "arch/arm/mach-shmobile/Kconfig" |
| 1035 | 1085 | ||
| @@ -1378,7 +1428,7 @@ config SMP · 342 unmodified lines | |||
| 1378 | depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ | 1428 | depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ |
| 1379 | MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ | 1429 | MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ |
| 1380 | ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ | 1430 | ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ |
| 1381 | ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE | 1431 | ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK || SOC_IMX6Q |
| 1382 | depends on MMU | 1432 | depends on MMU |
| 1383 | select USE_GENERIC_SMP_HELPERS | 1433 | select USE_GENERIC_SMP_HELPERS |
| 1384 | select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP | 1434 | select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP |
| @@ -1838,6 +1888,38 @@ config ZBOOT_ROM_SH_MOBILE_SDHI · 453 unmodified lines | |||
| 1838 | 1888 | ||
| 1839 | endchoice | 1889 | endchoice |
| 1840 | 1890 | ||
| 1891 | config ARM_APPENDED_DTB | ||
| 1892 | bool "Use appended device tree blob to zImage (EXPERIMENTAL)" | ||
| 1893 | depends on OF && !ZBOOT_ROM && EXPERIMENTAL | ||
| 1894 | help | ||
| 1895 | With this option, the boot code will look for a device tree binary | ||
| 1896 | (DTB) appended to zImage | ||
| 1897 | (e.g. cat zImage <filename>.dtb > zImage_w_dtb). | ||
| 1898 | |||
| 1899 | This is meant as a backward compatibility convenience for those | ||
| 1900 | systems with a bootloader that can't be upgraded to accommodate | ||
| 1901 | the documented boot protocol using a device tree. | ||
| 1902 | |||
| 1903 | Beware that there is very little in terms of protection against | ||
| 1904 | this option being confused by leftover garbage in memory that might | ||
| 1905 | look like a DTB header after a reboot if no actual DTB is appended | ||
| 1906 | to zImage. Do not leave this option active in a production kernel | ||
| 1907 | if you don't intend to always append a DTB. Proper passing of the | ||
| 1908 | location into r2 of a bootloader provided DTB is always preferable | ||
| 1909 | to this option. | ||
| 1910 | |||
| 1911 | config ARM_ATAG_DTB_COMPAT | ||
| 1912 | bool "Supplement the appended DTB with traditional ATAG information" | ||
| 1913 | depends on ARM_APPENDED_DTB | ||
| 1914 | help | ||
| 1915 | Some old bootloaders can't be updated to a DTB capable one, yet | ||
| 1916 | they provide ATAGs with memory configuration, the ramdisk address, | ||
| 1917 | the kernel cmdline string, etc. Such information is dynamically | ||
| 1918 | provided by the bootloader and can't always be stored in a static | ||
| 1919 | DTB. To allow a device tree enabled kernel to be used with such | ||
| 1920 | bootloaders, this option allows zImage to extract the information | ||
| 1921 | from the ATAG list and store it at run time into the appended DTB. | ||
| 1922 | |||
| 1841 | config CMDLINE | 1923 | config CMDLINE |
| 1842 | string "Default kernel command string" | 1924 | string "Default kernel command string" |
| 1843 | default "" | 1925 | default "" |
| @@ -1984,6 +2066,7 @@ config CPU_FREQ_PXA · 140 unmodified lines | |||
| 1984 | bool | 2066 | bool |
| 1985 | depends on CPU_FREQ && ARCH_PXA && PXA25x | 2067 | depends on CPU_FREQ && ARCH_PXA && PXA25x |
| 1986 | default y | 2068 | default y |
| 2069 | select CPU_FREQ_TABLE | ||
| 1987 | select CPU_FREQ_DEFAULT_GOV_USERSPACE | 2070 | select CPU_FREQ_DEFAULT_GOV_USERSPACE |
| 1988 | 2071 | ||
| 1989 | config CPU_FREQ_S3C | 2072 | config CPU_FREQ_S3C |
| @@ -2127,7 +2210,7 @@ menu "Power management options" · 137 unmodified lines | |||
| 2127 | source "kernel/power/Kconfig" | 2210 | source "kernel/power/Kconfig" |
| 2128 | 2211 | ||
| 2129 | config ARCH_SUSPEND_POSSIBLE | 2212 | config ARCH_SUSPEND_POSSIBLE |
| 2130 | depends on !ARCH_S5P64X0 && !ARCH_S5PC100 | 2213 | depends on !ARCH_S5PC100 |
| 2131 | depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \ | 2214 | depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \ |
| 2132 | CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE | 2215 | CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE |
| 2133 | def_bool y | 2216 | def_bool y |
| @@ -128,6 +128,125 @@ choice · 127 unmodified lines | |||
| 128 | Say Y here if you want the debug print routines to direct | 128 | Say Y here if you want the debug print routines to direct |
| 129 | their output to the second serial port on these devices. | 129 | their output to the second serial port on these devices. |
| 130 | 130 | ||
| 131 | config DEBUG_HIGHBANK_UART | ||
| 132 | bool "Kernel low-level debugging messages via Highbank UART" | ||
| 133 | depends on ARCH_HIGHBANK | ||
| 134 | help | ||
| 135 | Say Y here if you want the debug print routines to direct | ||
| 136 | their output to the UART on Highbank based devices. | ||
| 137 | |||
| 138 | config DEBUG_IMX1_UART | ||
| 139 | bool "i.MX1 Debug UART" | ||
| 140 | depends on SOC_IMX1 | ||
| 141 | help | ||
| 142 | Say Y here if you want kernel low-level debugging support | ||
| 143 | on i.MX1. | ||
| 144 | |||
| 145 | config DEBUG_IMX23_UART | ||
| 146 | bool "i.MX23 Debug UART" | ||
| 147 | depends on SOC_IMX23 | ||
| 148 | help | ||
| 149 | Say Y here if you want kernel low-level debugging support | ||
| 150 | on i.MX23. | ||
| 151 | |||
| 152 | config DEBUG_IMX25_UART | ||
| 153 | bool "i.MX25 Debug UART" | ||
| 154 | depends on SOC_IMX25 | ||
| 155 | help | ||
| 156 | Say Y here if you want kernel low-level debugging support | ||
| 157 | on i.MX25. | ||
| 158 | |||
| 159 | config DEBUG_IMX21_IMX27_UART | ||
| 160 | bool "i.MX21 and i.MX27 Debug UART" | ||
| 161 | depends on SOC_IMX21 || SOC_IMX27 | ||
| 162 | help | ||
| 163 | Say Y here if you want kernel low-level debugging support | ||
| 164 | on i.MX21 or i.MX27. | ||
| 165 | |||
| 166 | config DEBUG_IMX28_UART | ||
| 167 | bool "i.MX28 Debug UART" | ||
| 168 | depends on SOC_IMX28 | ||
| 169 | help | ||
| 170 | Say Y here if you want kernel low-level debugging support | ||
| 171 | on i.MX28. | ||
| 172 | |||
| 173 | config DEBUG_IMX31_IMX35_UART | ||
| 174 | bool "i.MX31 and i.MX35 Debug UART" | ||
| 175 | depends on SOC_IMX31 || SOC_IMX35 | ||
| 176 | help | ||
| 177 | Say Y here if you want kernel low-level debugging support | ||
| 178 | on i.MX31 or i.MX35. | ||
| 179 | |||
| 180 | config DEBUG_IMX51_UART | ||
| 181 | bool "i.MX51 Debug UART" | ||
| 182 | depends on SOC_IMX51 | ||
| 183 | help | ||
| 184 | Say Y here if you want kernel low-level debugging support | ||
| 185 | on i.MX51. | ||
| 186 | |||
| 187 | config DEBUG_IMX50_IMX53_UART | ||
| 188 | bool "i.MX50 and i.MX53 Debug UART" | ||
| 189 | depends on SOC_IMX50 || SOC_IMX53 | ||
| 190 | help | ||
| 191 | Say Y here if you want kernel low-level debugging support | ||
| 192 | on i.MX50 or i.MX53. | ||
| 193 | |||
| 194 | config DEBUG_IMX6Q_UART | ||
| 195 | bool "i.MX6Q Debug UART" | ||
| 196 | depends on SOC_IMX6Q | ||
| 197 | help | ||
| 198 | Say Y here if you want kernel low-level debugging support | ||
| 199 | on i.MX6Q. | ||
| 200 | |||
| 201 | config DEBUG_S3C_UART0 | ||
| 202 | depends on PLAT_SAMSUNG | ||
| 203 | bool "Use S3C UART 0 for low-level debug" | ||
| 204 | help | ||
| 205 | Say Y here if you want the debug print routines to direct | ||
| 206 | their output to UART 0. The port must have been initialised | ||
| 207 | by the boot-loader before use. | ||
| 208 | |||
| 209 | The uncompressor code port configuration is now handled | ||
| 210 | by CONFIG_S3C_LOWLEVEL_UART_PORT. | ||
| 211 | |||
| 212 | config DEBUG_S3C_UART1 | ||
| 213 | depends on PLAT_SAMSUNG | ||
| 214 | bool "Use S3C UART 1 for low-level debug" | ||
| 215 | help | ||
| 216 | Say Y here if you want the debug print routines to direct | ||
| 217 | their output to UART 1. The port must have been initialised | ||
| 218 | by the boot-loader before use. | ||
| 219 | |||
| 220 | The uncompressor code port configuration is now handled | ||
| 221 | by CONFIG_S3C_LOWLEVEL_UART_PORT. | ||
| 222 | |||
| 223 | config DEBUG_S3C_UART2 | ||
| 224 | depends on PLAT_SAMSUNG | ||
| 225 | bool "Use S3C UART 2 for low-level debug" | ||
| 226 | help | ||
| 227 | Say Y here if you want the debug print routines to direct | ||
| 228 | their output to UART 2. The port must have been initialised | ||
| 229 | by the boot-loader before use. | ||
| 230 | |||
| 231 | The uncompressor code port configuration is now handled | ||
| 232 | by CONFIG_S3C_LOWLEVEL_UART_PORT. | ||
| 233 | |||
| 234 | config DEBUG_REALVIEW_STD_PORT | ||
| 235 | bool "RealView Default UART" | ||
| 236 | depends on ARCH_REALVIEW | ||
| 237 | help | ||
| 238 | Say Y here if you want the debug print routines to direct | ||
| 239 | their output to the serial port on RealView EB, PB11MP, PBA8 | ||
| 240 | and PBX platforms. | ||
| 241 | |||
| 242 | config DEBUG_REALVIEW_PB1176_PORT | ||
| 243 | bool "RealView PB1176 UART" | ||
| 244 | depends on MACH_REALVIEW_PB1176 | ||
| 245 | help | ||
| 246 | Say Y here if you want the debug print routines to direct | ||
| 247 | their output to the standard serial port on the RealView | ||
| 248 | PB1176 platform. | ||
| 249 | |||
| 131 | endchoice | 250 | endchoice |
| 132 | 251 | ||
| 133 | config EARLY_PRINTK | 252 | config EARLY_PRINTK |
| @@ -146,16 +265,10 @@ config OC_ETM · 12 unmodified lines | |||
| 146 | buffer driver that will allow you to collect traces of the | 265 | buffer driver that will allow you to collect traces of the |
| 147 | kernel code. | 266 | kernel code. |
| 148 | 267 | ||
| 149 | config DEBUG_S3C_UART | 268 | config ARM_KPROBES_TEST |
| 150 | depends on PLAT_SAMSUNG | 269 | tristate "Kprobes test module" |
| 151 | int "S3C UART to use for low-level debug" | 270 | depends on KPROBES && MODULES |
| 152 | default "0" | ||
| 153 | help | 271 | help |
| 154 | Choice for UART for kernel low-level using S3C UARTS, | 272 | Perform tests of kprobes API and instruction set simulation. |
| 155 | should be between zero and two. The port must have been | ||
| 156 | initialised by the boot-loader before use. | ||
| 157 | |||
| 158 | The uncompressor code port configuration is now handled | ||
| 159 | by CONFIG_S3C_LOWLEVEL_UART_PORT. | ||
| 160 | 273 | ||
| 161 | endmenu | 274 | endmenu |
| @@ -144,6 +144,7 @@ machine-$(CONFIG_ARCH_EBSA110) := ebsa110 · 143 unmodified lines | |||
| 144 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx | 144 | machine-$(CONFIG_ARCH_EP93XX) := ep93xx |
| 145 | machine-$(CONFIG_ARCH_GEMINI) := gemini | 145 | machine-$(CONFIG_ARCH_GEMINI) := gemini |
| 146 | machine-$(CONFIG_ARCH_H720X) := h720x | 146 | machine-$(CONFIG_ARCH_H720X) := h720x |
| 147 | machine-$(CONFIG_ARCH_HIGHBANK) := highbank | ||
| 147 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator | 148 | machine-$(CONFIG_ARCH_INTEGRATOR) := integrator |
| 148 | machine-$(CONFIG_ARCH_IOP13XX) := iop13xx | 149 | machine-$(CONFIG_ARCH_IOP13XX) := iop13xx |
| 149 | machine-$(CONFIG_ARCH_IOP32X) := iop32x | 150 | machine-$(CONFIG_ARCH_IOP32X) := iop32x |
| @@ -157,10 +158,8 @@ machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx · 7 unmodified lines | |||
| 157 | machine-$(CONFIG_ARCH_MMP) := mmp | 158 | machine-$(CONFIG_ARCH_MMP) := mmp |
| 158 | machine-$(CONFIG_ARCH_MSM) := msm | 159 | machine-$(CONFIG_ARCH_MSM) := msm |
| 159 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 | 160 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 |
| 160 | machine-$(CONFIG_ARCH_MX1) := imx | 161 | machine-$(CONFIG_ARCH_IMX_V4_V5) := imx |
| 161 | machine-$(CONFIG_ARCH_MX2) := imx | 162 | machine-$(CONFIG_ARCH_IMX_V6_V7) := imx |
| 162 | machine-$(CONFIG_ARCH_MX25) := imx | ||
| 163 | machine-$(CONFIG_ARCH_MX3) := imx | ||
| 164 | machine-$(CONFIG_ARCH_MX5) := mx5 | 163 | machine-$(CONFIG_ARCH_MX5) := mx5 |
| 165 | machine-$(CONFIG_ARCH_MXS) := mxs | 164 | machine-$(CONFIG_ARCH_MXS) := mxs |
| 166 | machine-$(CONFIG_ARCH_NETX) := netx | 165 | machine-$(CONFIG_ARCH_NETX) := netx |
| @@ -170,6 +169,7 @@ machine-$(CONFIG_ARCH_OMAP2) := omap2 · 3 unmodified lines | |||
| 170 | machine-$(CONFIG_ARCH_OMAP3) := omap2 | 169 | machine-$(CONFIG_ARCH_OMAP3) := omap2 |
| 171 | machine-$(CONFIG_ARCH_OMAP4) := omap2 | 170 | machine-$(CONFIG_ARCH_OMAP4) := omap2 |
| 172 | machine-$(CONFIG_ARCH_ORION5X) := orion5x | 171 | machine-$(CONFIG_ARCH_ORION5X) := orion5x |
| 172 | machine-$(CONFIG_ARCH_PICOXCELL) := picoxcell | ||
| 173 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 | 173 | machine-$(CONFIG_ARCH_PNX4008) := pnx4008 |
| 174 | machine-$(CONFIG_ARCH_PRIMA2) := prima2 | 174 | machine-$(CONFIG_ARCH_PRIMA2) := prima2 |
| 175 | machine-$(CONFIG_ARCH_PXA) := pxa | 175 | machine-$(CONFIG_ARCH_PXA) := pxa |
| @@ -180,7 +180,7 @@ machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx · 4 unmodified lines | |||
| 180 | machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0 | 180 | machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0 |
| 181 | machine-$(CONFIG_ARCH_S5PC100) := s5pc100 | 181 | machine-$(CONFIG_ARCH_S5PC100) := s5pc100 |
| 182 | machine-$(CONFIG_ARCH_S5PV210) := s5pv210 | 182 | machine-$(CONFIG_ARCH_S5PV210) := s5pv210 |
| 183 | machine-$(CONFIG_ARCH_EXYNOS4) := exynos4 | 183 | machine-$(CONFIG_ARCH_EXYNOS4) := exynos |
| 184 | machine-$(CONFIG_ARCH_SA1100) := sa1100 | 184 | machine-$(CONFIG_ARCH_SA1100) := sa1100 |
| 185 | machine-$(CONFIG_ARCH_SHARK) := shark | 185 | machine-$(CONFIG_ARCH_SHARK) := shark |
| 186 | machine-$(CONFIG_ARCH_SHMOBILE) := shmobile | 186 | machine-$(CONFIG_ARCH_SHMOBILE) := shmobile |
| @@ -192,7 +192,6 @@ machine-$(CONFIG_ARCH_VERSATILE) := versatile · 5 unmodified lines | |||
| 192 | machine-$(CONFIG_ARCH_VEXPRESS) := vexpress | 192 | machine-$(CONFIG_ARCH_VEXPRESS) := vexpress |
| 193 | machine-$(CONFIG_ARCH_VT8500) := vt8500 | 193 | machine-$(CONFIG_ARCH_VT8500) := vt8500 |
| 194 | machine-$(CONFIG_ARCH_W90X900) := w90x900 | 194 | machine-$(CONFIG_ARCH_W90X900) := w90x900 |
| 195 | machine-$(CONFIG_ARCH_NUC93X) := nuc93x | ||
| 196 | machine-$(CONFIG_FOOTBRIDGE) := footbridge | 195 | machine-$(CONFIG_FOOTBRIDGE) := footbridge |
| 197 | machine-$(CONFIG_MACH_SPEAR300) := spear3xx | 196 | machine-$(CONFIG_MACH_SPEAR300) := spear3xx |
| 198 | machine-$(CONFIG_MACH_SPEAR310) := spear3xx | 197 | machine-$(CONFIG_MACH_SPEAR310) := spear3xx |
| @@ -5,3 +5,12 @@ piggy.lzo · 4 unmodified lines | |||
| 5 | piggy.lzma | 5 | piggy.lzma |
| 6 | vmlinux | 6 | vmlinux |
| 7 | vmlinux.lds | 7 | vmlinux.lds |
| 8 | |||
| 9 | # borrowed libfdt files | ||
| 10 | fdt.c | ||
| 11 | fdt.h | ||
| 12 | fdt_ro.c | ||
| 13 | fdt_rw.c | ||
| 14 | fdt_wip.c | ||
| 15 | libfdt.h | ||
| 16 | libfdt_internal.h | ||
| @@ -26,6 +26,10 @@ HEAD = head.o · 25 unmodified lines | |||
| 26 | OBJS += misc.o decompress.o | 26 | OBJS += misc.o decompress.o |
| 27 | FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c | 27 | FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c |
| 28 | 28 | ||
| 29 | # string library code (-Os is enforced to keep it much smaller) | ||
| 30 | OBJS += string.o | ||
| 31 | CFLAGS_string.o := -Os | ||
| 32 | |||
| 29 | # | 33 | # |
| 30 | # Architecture dependencies | 34 | # Architecture dependencies |
| 31 | # | 35 | # |
| @@ -89,21 +93,41 @@ suffix_$(CONFIG_KERNEL_GZIP) = gzip · 57 unmodified lines | |||
| 89 | suffix_$(CONFIG_KERNEL_LZO) = lzo | 93 | suffix_$(CONFIG_KERNEL_LZO) = lzo |
| 90 | suffix_$(CONFIG_KERNEL_LZMA) = lzma | 94 | suffix_$(CONFIG_KERNEL_LZMA) = lzma |
| 91 | 95 | ||
| 96 | # Borrowed libfdt files for the ATAG compatibility mode | ||
| 97 | |||
| 98 | libfdt := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c | ||
| 99 | libfdt_hdrs := fdt.h libfdt.h libfdt_internal.h | ||
| 100 | |||
| 101 | libfdt_objs := $(addsuffix .o, $(basename $(libfdt))) | ||
| 102 | |||
| 103 | $(addprefix $(obj)/,$(libfdt) $(libfdt_hdrs)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/% | ||
| 104 | $(call cmd,shipped) | ||
| 105 | |||
| 106 | $(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \ | ||
| 107 | $(addprefix $(obj)/,$(libfdt_hdrs)) | ||
| 108 | |||
| 109 | ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y) | ||
| 110 | OBJS += $(libfdt_objs) atags_to_fdt.o | ||
| 111 | endif | ||
| 112 | |||
| 92 | targets := vmlinux vmlinux.lds \ | 113 | targets := vmlinux vmlinux.lds \ |
| 93 | piggy.$(suffix_y) piggy.$(suffix_y).o \ | 114 | piggy.$(suffix_y) piggy.$(suffix_y).o \ |
| 94 | font.o font.c head.o misc.o $(OBJS) | 115 | lib1funcs.o lib1funcs.S font.o font.c head.o misc.o $(OBJS) |
| 95 | 116 | ||
| 96 | # Make sure files are removed during clean | 117 | # Make sure files are removed during clean |
| 97 | extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S | 118 | extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S $(libfdt) $(libfdt_hdrs) |
| 98 | 119 | ||
| 99 | ifeq ($(CONFIG_FUNCTION_TRACER),y) | 120 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
| 100 | ORIG_CFLAGS := $(KBUILD_CFLAGS) | 121 | ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| 101 | KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) | 122 | KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) |
| 102 | endif | 123 | endif |
| 103 | 124 | ||
| 104 | ccflags-y := -fpic -fno-builtin | 125 | ccflags-y := -fpic -fno-builtin -I$(obj) |
| 105 | asflags-y := -Wa,-march=all | 126 | asflags-y := -Wa,-march=all |
| 106 | 127 | ||
| 128 | # Supply kernel BSS size to the decompressor via a linker symbol. | ||
| 129 | KBSS_SZ = $(shell size $(obj)/../../../../vmlinux | awk 'END{print $$3}') | ||
| 130 | LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) | ||
| 107 | # Supply ZRELADDR to the decompressor via a linker symbol. | 131 | # Supply ZRELADDR to the decompressor via a linker symbol. |
| 108 | ifneq ($(CONFIG_AUTO_ZRELADDR),y) | 132 | ifneq ($(CONFIG_AUTO_ZRELADDR),y) |
| 109 | LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) | 133 | LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) |
| @@ -123,7 +147,7 @@ LDFLAGS_vmlinux += -T · 13 unmodified lines | |||
| 123 | # For __aeabi_uidivmod | 147 | # For __aeabi_uidivmod |
| 124 | lib1funcs = $(obj)/lib1funcs.o | 148 | lib1funcs = $(obj)/lib1funcs.o |
| 125 | 149 | ||
| 126 | $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE | 150 | $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S |
| 127 | $(call cmd,shipped) | 151 | $(call cmd,shipped) |
| 128 | 152 | ||
| 129 | # We need to prevent any GOTOFF relocs being used with references | 153 | # We need to prevent any GOTOFF relocs being used with references |
| @@ -0,0 +1,97 @@ | |||
| 1 | #include <asm/setup.h> | ||
| 2 | #include <libfdt.h> | ||
| 3 | |||
| 4 | static int node_offset(void *fdt, const char *node_path) | ||
| 5 | { | ||
| 6 | int offset = fdt_path_offset(fdt, node_path); | ||
| 7 | if (offset == -FDT_ERR_NOTFOUND) | ||
| 8 | offset = fdt_add_subnode(fdt, 0, node_path); | ||
| 9 | return offset; | ||
| 10 | } | ||
| 11 | |||
| 12 | static int setprop(void *fdt, const char *node_path, const char *property, | ||
| 13 | uint32_t *val_array, int size) | ||
| 14 | { | ||
| 15 | int offset = node_offset(fdt, node_path); | ||
| 16 | if (offset < 0) | ||
| 17 | return offset; | ||
| 18 | return fdt_setprop(fdt, offset, property, val_array, size); | ||
| 19 | } | ||
| 20 | |||
| 21 | static int setprop_string(void *fdt, const char *node_path, | ||
| 22 | const char *property, const char *string) | ||
| 23 | { | ||
| 24 | int offset = node_offset(fdt, node_path); | ||
| 25 | if (offset < 0) | ||
| 26 | return offset; | ||
| 27 | return fdt_setprop_string(fdt, offset, property, string); | ||
| 28 | } | ||
| 29 | |||
| 30 | static int setprop_cell(void *fdt, const char *node_path, | ||
| 31 | const char *property, uint32_t val) | ||
| 32 | { | ||
| 33 | int offset = node_offset(fdt, node_path); | ||
| 34 | if (offset < 0) | ||
| 35 | return offset; | ||
| 36 | return fdt_setprop_cell(fdt, offset, property, val); | ||
| 37 | } | ||
| 38 | |||
| 39 | /* | ||
| 40 | * Convert and fold provided ATAGs into the provided FDT. | ||
| 41 | * | ||
| 42 | * REturn values: | ||
| 43 | * = 0 -> pretend success | ||
| 44 | * = 1 -> bad ATAG (may retry with another possible ATAG pointer) | ||
| 45 | * < 0 -> error from libfdt | ||
| 46 | */ | ||
| 47 | int atags_to_fdt(void *atag_list, void *fdt, int total_space) | ||
| 48 | { | ||
| 49 | struct tag *atag = atag_list; | ||
| 50 | uint32_t mem_reg_property[2 * NR_BANKS]; | ||
| 51 | int memcount = 0; | ||
| 52 | int ret; | ||
| 53 | |||
| 54 | /* make sure we've got an aligned pointer */ | ||
| 55 | if ((u32)atag_list & 0x3) | ||
| 56 | return 1; | ||
| 57 | |||
| 58 | /* if we get a DTB here we're done already */ | ||
| 59 | if (*(u32 *)atag_list == fdt32_to_cpu(FDT_MAGIC)) | ||
| 60 | return 0; | ||
| 61 | |||
| 62 | /* validate the ATAG */ | ||
| 63 | if (atag->hdr.tag != ATAG_CORE || | ||
| 64 | (atag->hdr.size != tag_size(tag_core) && | ||
| 65 | atag->hdr.size != 2)) | ||
| 66 | return 1; | ||
| 67 | |||
| 68 | /* let's give it all the room it could need */ | ||
| 69 | ret = fdt_open_into(fdt, fdt, total_space); | ||
| 70 | if (ret < 0) | ||
| 71 | return ret; | ||
| 72 | |||
| 73 | for_each_tag(atag, atag_list) { | ||
| 74 | if (atag->hdr.tag == ATAG_CMDLINE) { | ||
| 75 | setprop_string(fdt, "/chosen", "bootargs", | ||
| 76 | atag->u.cmdline.cmdline); | ||
| 77 | } else if (atag->hdr.tag == ATAG_MEM) { | ||
| 78 | if (memcount >= sizeof(mem_reg_property)/4) | ||
| 79 | continue; | ||
| 80 | mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.start); | ||
| 81 | mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.size); | ||
| 82 | } else if (atag->hdr.tag == ATAG_INITRD2) { | ||
| 83 | uint32_t initrd_start, initrd_size; | ||
| 84 | initrd_start = atag->u.initrd.start; | ||
| 85 | initrd_size = atag->u.initrd.size; | ||
| 86 | setprop_cell(fdt, "/chosen", "linux,initrd-start", | ||
| 87 | initrd_start); | ||
| 88 | setprop_cell(fdt, "/chosen", "linux,initrd-end", | ||
| 89 | initrd_start + initrd_size); | ||
| 90 | } | ||
| 91 | } | ||
| 92 | |||
| 93 | if (memcount) | ||
| 94 | setprop(fdt, "/memory", "reg", mem_reg_property, 4*memcount); | ||
| 95 | |||
| 96 | return fdt_pack(fdt); | ||
| 97 | } | ||
| @@ -216,6 +216,104 @@ restart: adr r0, LC0 · 215 unmodified lines | |||
| 216 | mov r10, r6 | 216 | mov r10, r6 |
| 217 | #endif | 217 | #endif |
| 218 | 218 | ||
| 219 | mov r5, #0 @ init dtb size to 0 | ||
| 220 | #ifdef CONFIG_ARM_APPENDED_DTB | ||
| 221 | /* | ||
| 222 | * r0 = delta | ||
| 223 | * r2 = BSS start | ||
| 224 | * r3 = BSS end | ||
| 225 | * r4 = final kernel address | ||
| 226 | * r5 = appended dtb size (still unknown) | ||
| 227 | * r6 = _edata | ||
| 228 | * r7 = architecture ID | ||
| 229 | * r8 = atags/device tree pointer | ||
| 230 | * r9 = size of decompressed image | ||
| 231 | * r10 = end of this image, including bss/stack/malloc space if non XIP | ||
| 232 | * r11 = GOT start | ||
| 233 | * r12 = GOT end | ||
| 234 | * sp = stack pointer | ||
| 235 | * | ||
| 236 | * if there are device trees (dtb) appended to zImage, advance r10 so that the | ||
| 237 | * dtb data will get relocated along with the kernel if necessary. | ||
| 238 | */ | ||
| 239 | |||
| 240 | ldr lr, [r6, #0] | ||
| 241 | #ifndef __ARMEB__ | ||
| 242 | ldr r1, =0xedfe0dd0 @ sig is 0xd00dfeed big endian | ||
| 243 | #else | ||
| 244 | ldr r1, =0xd00dfeed | ||
| 245 | #endif | ||
| 246 | cmp lr, r1 | ||
| 247 | bne dtb_check_done @ not found | ||
| 248 | |||
| 249 | #ifdef CONFIG_ARM_ATAG_DTB_COMPAT | ||
| 250 | /* | ||
| 251 | * OK... Let's do some funky business here. | ||
| 252 | * If we do have a DTB appended to zImage, and we do have | ||
| 253 | * an ATAG list around, we want the later to be translated | ||
| 254 | * and folded into the former here. To be on the safe side, | ||
| 255 | * let's temporarily move the stack away into the malloc | ||
| 256 | * area. No GOT fixup has occurred yet, but none of the | ||
| 257 | * code we're about to call uses any global variable. | ||
| 258 | */ | ||
| 259 | add sp, sp, #0x10000 | ||
| 260 | stmfd sp!, {r0-r3, ip, lr} | ||
| 261 | mov r0, r8 | ||
| 262 | mov r1, r6 | ||
| 263 | sub r2, sp, r6 | ||
| 264 | bl atags_to_fdt | ||
| 265 | |||
| 266 | /* | ||
| 267 | * If returned value is 1, there is no ATAG at the location | ||
| 268 | * pointed by r8. Try the typical 0x100 offset from start | ||
| 269 | * of RAM and hope for the best. | ||
| 270 | */ | ||
| 271 | cmp r0, #1 | ||
| 272 | sub r0, r4, #TEXT_OFFSET | ||
| 273 | add r0, r0, #0x100 | ||
| 274 | mov r1, r6 | ||
| 275 | sub r2, sp, r6 | ||
| 276 | blne atags_to_fdt | ||
| 277 | |||
| 278 | ldmfd sp!, {r0-r3, ip, lr} | ||
| 279 | sub sp, sp, #0x10000 | ||
| 280 | #endif | ||
| 281 | |||
| 282 | mov r8, r6 @ use the appended device tree | ||
| 283 | |||
| 284 | /* | ||
| 285 | * Make sure that the DTB doesn't end up in the final | ||
| 286 | * kernel's .bss area. To do so, we adjust the decompressed | ||
| 287 | * kernel size to compensate if that .bss size is larger | ||
| 288 | * than the relocated code. | ||
| 289 | */ | ||
| 290 | ldr r5, =_kernel_bss_size | ||
| 291 | adr r1, wont_overwrite | ||
| 292 | sub r1, r6, r1 | ||
| 293 | subs r1, r5, r1 | ||
| 294 | addhi r9, r9, r1 | ||
| 295 | |||
| 296 | /* Get the dtb's size */ | ||
| 297 | ldr r5, [r6, #4] | ||
| 298 | #ifndef __ARMEB__ | ||
| 299 | /* convert r5 (dtb size) to little endian */ | ||
| 300 | eor r1, r5, r5, ror #16 | ||
| 301 | bic r1, r1, #0x00ff0000 | ||
| 302 | mov r5, r5, ror #8 | ||
| 303 | eor r5, r5, r1, lsr #8 | ||
| 304 | #endif | ||
| 305 | |||
| 306 | /* preserve 64-bit alignment */ | ||
| 307 | add r5, r5, #7 | ||
| 308 | bic r5, r5, #7 | ||
| 309 | |||
| 310 | /* relocate some pointers past the appended dtb */ | ||
| 311 | add r6, r6, r5 | ||
| 312 | add r10, r10, r5 | ||
| 313 | add sp, sp, r5 | ||
| 314 | dtb_check_done: | ||
| 315 | #endif | ||
| 316 | |||
| 219 | /* | 317 | /* |
| 220 | * Check to see if we will overwrite ourselves. | 318 | * Check to see if we will overwrite ourselves. |
| 221 | * r4 = final kernel address | 319 | * r4 = final kernel address |
| @@ -223,15 +321,14 @@ restart: adr r0, LC0 · 1 unmodified line | |||
| 223 | * r10 = end of this image, including bss/stack/malloc space if non XIP | 321 | * r10 = end of this image, including bss/stack/malloc space if non XIP |
| 224 | * We basically want: | 322 | * We basically want: |
| 225 | * r4 - 16k page directory >= r10 -> OK | 323 | * r4 - 16k page directory >= r10 -> OK |
| 226 | * r4 + image length <= current position (pc) -> OK | 324 | * r4 + image length <= address of wont_overwrite -> OK |
| 227 | */ | 325 | */ |
| 228 | add r10, r10, #16384 | 326 | add r10, r10, #16384 |
| 229 | cmp r4, r10 | 327 | cmp r4, r10 |
| 230 | bhs wont_overwrite | 328 | bhs wont_overwrite |
| 231 | add r10, r4, r9 | 329 | add r10, r4, r9 |
| 232 | ARM( cmp r10, pc ) | 330 | adr r9, wont_overwrite |
| 233 | THUMB( mov lr, pc ) | 331 | cmp r10, r9 |
| 234 | THUMB( cmp r10, lr ) | ||
| 235 | bls wont_overwrite | 332 | bls wont_overwrite |
| 236 | 333 | ||
| 237 | /* | 334 | /* |
| @@ -285,14 +382,16 @@ wont_overwrite: · 47 unmodified lines | |||
| 285 | * r2 = BSS start | 382 | * r2 = BSS start |
| 286 | * r3 = BSS end | 383 | * r3 = BSS end |
| 287 | * r4 = kernel execution address | 384 | * r4 = kernel execution address |
| 385 | * r5 = appended dtb size (0 if not present) | ||
| 288 | * r7 = architecture ID | 386 | * r7 = architecture ID |
| 289 | * r8 = atags pointer | 387 | * r8 = atags pointer |
| 290 | * r11 = GOT start | 388 | * r11 = GOT start |
| 291 | * r12 = GOT end | 389 | * r12 = GOT end |
| 292 | * sp = stack pointer | 390 | * sp = stack pointer |
| 293 | */ | 391 | */ |
| 294 | teq r0, #0 | 392 | orrs r1, r0, r5 |
| 295 | beq not_relocated | 393 | beq not_relocated |
| 394 | |||
| 296 | add r11, r11, r0 | 395 | add r11, r11, r0 |
| 297 | add r12, r12, r0 | 396 | add r12, r12, r0 |
| 298 | 397 | ||
| @@ -307,12 +406,21 @@ wont_overwrite: · 8 unmodified lines | |||
| 307 | 406 | ||
| 308 | /* | 407 | /* |
| 309 | * Relocate all entries in the GOT table. | 408 | * Relocate all entries in the GOT table. |
| 409 | * Bump bss entries to _edata + dtb size | ||
| 310 | */ | 410 | */ |
| 311 | 1: ldr r1, [r11, #0] @ relocate entries in the GOT | 411 | 1: ldr r1, [r11, #0] @ relocate entries in the GOT |
| 312 | add r1, r1, r0 @ table. This fixes up the | 412 | add r1, r1, r0 @ This fixes up C references |
| 313 | str r1, [r11], #4 @ C references. | 413 | cmp r1, r2 @ if entry >= bss_start && |
| 414 | cmphs r3, r1 @ bss_end > entry | ||
| 415 | addhi r1, r1, r5 @ entry += dtb size | ||
| 416 | str r1, [r11], #4 @ next entry | ||
| 314 | cmp r11, r12 | 417 | cmp r11, r12 |
| 315 | blo 1b | 418 | blo 1b |
| 419 | |||
| 420 | /* bump our bss pointers too */ | ||
| 421 | add r2, r2, r5 | ||
| 422 | add r3, r3, r5 | ||
| 423 | |||
| 316 | #else | 424 | #else |
| 317 | 425 | ||
| 318 | /* | 426 | /* |
| @@ -0,0 +1,15 @@ | |||
| 1 | #ifndef _ARM_LIBFDT_ENV_H | ||
| 2 | #define _ARM_LIBFDT_ENV_H | ||
| 3 | |||
| 4 | #include <linux/types.h> | ||
| 5 | #include <linux/string.h> | ||
| 6 | #include <asm/byteorder.h> | ||
| 7 | |||
| 8 | #define fdt16_to_cpu(x) be16_to_cpu(x) | ||
| 9 | #define cpu_to_fdt16(x) cpu_to_be16(x) | ||
| 10 | #define fdt32_to_cpu(x) be32_to_cpu(x) | ||
| 11 | #define cpu_to_fdt32(x) cpu_to_be32(x) | ||
| 12 | #define fdt64_to_cpu(x) be64_to_cpu(x) | ||
| 13 | #define cpu_to_fdt64(x) cpu_to_be64(x) | ||
| 14 | |||
| 15 | #endif | ||
| @@ -18,14 +18,9 @@ · 17 unmodified lines | |||
| 18 | 18 | ||
| 19 | unsigned int __machine_arch_type; | 19 | unsigned int __machine_arch_type; |
| 20 | 20 | ||
| 21 | #define _LINUX_STRING_H_ | ||
| 22 | |||
| 23 | #include <linux/compiler.h> /* for inline */ | 21 | #include <linux/compiler.h> /* for inline */ |
| 24 | #include <linux/types.h> /* for size_t */ | 22 | #include <linux/types.h> |
| 25 | #include <linux/stddef.h> /* for NULL */ | ||
| 26 | #include <linux/linkage.h> | 23 | #include <linux/linkage.h> |
| 27 | #include <asm/string.h> | ||
| 28 | |||
| 29 | 24 | ||
| 30 | static void putstr(const char *ptr); | 25 | static void putstr(const char *ptr); |
| 31 | extern void error(char *x); | 26 | extern void error(char *x); |
| @@ -101,41 +96,6 @@ static void putstr(const char *ptr) · 69 unmodified lines | |||
| 101 | flush(); | 96 | flush(); |
| 102 | } | 97 | } |
| 103 | 98 | ||
| 104 | |||
| 105 | void *memcpy(void *__dest, __const void *__src, size_t __n) | ||
| 106 | { | ||
| 107 | int i = 0; | ||
| 108 | unsigned char *d = (unsigned char *)__dest, *s = (unsigned char *)__src; | ||
| 109 | |||
| 110 | for (i = __n >> 3; i > 0; i--) { | ||
| 111 | *d++ = *s++; | ||
| 112 | *d++ = *s++; | ||
| 113 | *d++ = *s++; | ||
| 114 | *d++ = *s++; | ||
| 115 | *d++ = *s++; | ||
| 116 | *d++ = *s++; | ||
| 117 | *d++ = *s++; | ||
| 118 | *d++ = *s++; | ||
| 119 | } | ||
| 120 | |||
| 121 | if (__n & 1 << 2) { | ||
| 122 | *d++ = *s++; | ||
| 123 | *d++ = *s++; | ||
| 124 | *d++ = *s++; | ||
| 125 | *d++ = *s++; | ||
| 126 | } | ||
| 127 | |||
| 128 | if (__n & 1 << 1) { | ||
| 129 | *d++ = *s++; | ||
| 130 | *d++ = *s++; | ||
| 131 | } | ||
| 132 | |||
| 133 | if (__n & 1) | ||
| 134 | *d++ = *s++; | ||
| 135 | |||
| 136 | return __dest; | ||
| 137 | } | ||
| 138 | |||
| 139 | /* | 99 | /* |
| 140 | * gzip declarations | 100 | * gzip declarations |
| 141 | */ | 101 | */ |
| @@ -0,0 +1,127 @@ | |||
| 1 | /* | ||
| 2 | * arch/arm/boot/compressed/string.c | ||
| 3 | * | ||
| 4 | * Small subset of simple string routines | ||
| 5 | */ | ||
| 6 | |||
| 7 | #include <linux/string.h> | ||
| 8 | |||
| 9 | void *memcpy(void *__dest, __const void *__src, size_t __n) | ||
| 10 | { | ||
| 11 | int i = 0; | ||
| 12 | unsigned char *d = (unsigned char *)__dest, *s = (unsigned char *)__src; | ||
| 13 | |||
| 14 | for (i = __n >> 3; i > 0; i--) { | ||
| 15 | *d++ = *s++; | ||
| 16 | *d++ = *s++; | ||
| 17 | *d++ = *s++; | ||
| 18 | *d++ = *s++; | ||
| 19 | *d++ = *s++; | ||
| 20 | *d++ = *s++; | ||
| 21 | *d++ = *s++; | ||
| 22 | *d++ = *s++; | ||
| 23 | } | ||
| 24 | |||
| 25 | if (__n & 1 << 2) { | ||
| 26 | *d++ = *s++; | ||
| 27 | *d++ = *s++; | ||
| 28 | *d++ = *s++; | ||
| 29 | *d++ = *s++; | ||
| 30 | } | ||
| 31 | |||
| 32 | if (__n & 1 << 1) { | ||
| 33 | *d++ = *s++; | ||
| 34 | *d++ = *s++; | ||
| 35 | } | ||
| 36 | |||
| 37 | if (__n & 1) | ||
| 38 | *d++ = *s++; | ||
| 39 | |||
| 40 | return __dest; | ||
| 41 | } | ||
| 42 | |||
| 43 | void *memmove(void *__dest, __const void *__src, size_t count) | ||
| 44 | { | ||
| 45 | unsigned char *d = __dest; | ||
| 46 | const unsigned char *s = __src; | ||
| 47 | |||
| 48 | if (__dest == __src) | ||
| 49 | return __dest; | ||
| 50 | |||
| 51 | if (__dest < __src) | ||
| 52 | return memcpy(__dest, __src, count); | ||
| 53 | |||
| 54 | while (count--) | ||
| 55 | d[count] = s[count]; | ||
| 56 | return __dest; | ||
| 57 | } | ||
| 58 | |||
| 59 | size_t strlen(const char *s) | ||
| 60 | { | ||
| 61 | const char *sc = s; | ||
| 62 | |||
| 63 | while (*sc != '\0') | ||
| 64 | sc++; | ||
| 65 | return sc - s; | ||
| 66 | } | ||
| 67 | |||
| 68 | int memcmp(const void *cs, const void *ct, size_t count) | ||
| 69 | { | ||
| 70 | const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count; | ||
| 71 | int res = 0; | ||
| 72 | |||
| 73 | while (su1 < end) { | ||
| 74 | res = *su1++ - *su2++; | ||
| 75 | if (res) | ||
| 76 | break; | ||
| 77 | } | ||
| 78 | return res; | ||
| 79 | } | ||
| 80 | |||
| 81 | int strcmp(const char *cs, const char *ct) | ||
| 82 | { | ||
| 83 | unsigned char c1, c2; | ||
| 84 | int res = 0; | ||
| 85 | |||
| 86 | do { | ||
| 87 | c1 = *cs++; | ||
| 88 | c2 = *ct++; | ||
| 89 | res = c1 - c2; | ||
| 90 | if (res) | ||
| 91 | break; | ||
| 92 | } while (c1); | ||
| 93 | return res; | ||
| 94 | } | ||
| 95 | |||
| 96 | void *memchr(const void *s, int c, size_t count) | ||
| 97 | { | ||
| 98 | const unsigned char *p = s; | ||
| 99 | |||
| 100 | while (count--) | ||
| 101 | if ((unsigned char)c == *p++) | ||
| 102 | return (void *)(p - 1); | ||
| 103 | return NULL; | ||
| 104 | } | ||
| 105 | |||
| 106 | char *strchr(const char *s, int c) | ||
| 107 | { | ||
| 108 | while (*s != (char)c) | ||
| 109 | if (*s++ == '\0') | ||
| 110 | return NULL; | ||
| 111 | return (char *)s; | ||
| 112 | } | ||
| 113 | |||
| 114 | #undef memset | ||
| 115 | |||
| 116 | void *memset(void *s, int c, size_t count) | ||
| 117 | { | ||
| 118 | char *xs = s; | ||
| 119 | while (count--) | ||
| 120 | *xs++ = c; | ||
| 121 | return s; | ||
| 122 | } | ||
| 123 | |||
| 124 | void __memzero(void *s, size_t count) | ||
| 125 | { | ||
| 126 | memset(s, 0, count); | ||
| 127 | } | ||
| @@ -51,6 +51,10 @@ SECTIONS · 50 unmodified lines | |||
| 51 | _got_start = .; | 51 | _got_start = .; |
| 52 | .got : { *(.got) } | 52 | .got : { *(.got) } |
| 53 | _got_end = .; | 53 | _got_end = .; |
| 54 | |||
| 55 | /* ensure the zImage file size is always a multiple of 64 bits */ | ||
| 56 | /* (without a dummy byte, ld just ignores the empty section) */ | ||
| 57 | .pad : { BYTE(0); . = ALIGN(8); } | ||
| 54 | _edata = .; | 58 | _edata = .; |
| 55 | 59 | ||
| 56 | . = BSS_START; | 60 | . = BSS_START; |
| @@ -0,0 +1,119 @@ | |||
| 1 | /* | ||
| 2 | * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC | ||
| 3 | * | ||
| 4 | * Copyright (C) 2011 Atmel, | ||
| 5 | * 2011 Nicolas Ferre <nicolas.ferre@atmel.com>, | ||
| 6 | * 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | ||
| 7 | * | ||
| 8 | * Licensed under GPLv2 or later. | ||
| 9 | */ | ||
| 10 | |||
| 11 | /include/ "skeleton.dtsi" | ||
| 12 | |||
| 13 | / { | ||
| 14 | model = "Atmel AT91SAM9G20 family SoC"; | ||
| 15 | compatible = "atmel,at91sam9g20"; | ||
| 16 | interrupt-parent = <&aic>; | ||
| 17 | |||
| 18 | aliases { | ||
| 19 | serial0 = &dbgu; | ||
| 20 | serial1 = &usart0; | ||
| 21 | serial2 = &usart1; | ||
| 22 | serial3 = &usart2; | ||
| 23 | serial4 = &usart3; | ||
| 24 | serial5 = &usart4; | ||
| 25 | serial6 = &usart5; | ||
| 26 | }; | ||
| 27 | cpus { | ||
| 28 | cpu@0 { | ||
| 29 | compatible = "arm,arm926ejs"; | ||
| 30 | }; | ||
| 31 | }; | ||
| 32 | |||
| 33 | memory@20000000 { | ||
| 34 | reg = <0x20000000 0x08000000>; | ||
| 35 | }; | ||
| 36 | |||
| 37 | ahb { | ||
| 38 | compatible = "simple-bus"; | ||
| 39 | #address-cells = <1>; | ||
| 40 | #size-cells = <1>; | ||
| 41 | ranges; | ||
| 42 | |||
| 43 | apb { | ||
| 44 | compatible = "simple-bus"; | ||
| 45 | #address-cells = <1>; | ||
| 46 | #size-cells = <1>; | ||
| 47 | ranges; | ||
| 48 | |||
| 49 | aic: interrupt-controller@fffff000 { | ||
| 50 | #interrupt-cells = <1>; | ||
| 51 | compatible = "atmel,at91rm9200-aic"; | ||
| 52 | interrupt-controller; | ||
| 53 | interrupt-parent; | ||
| 54 | reg = <0xfffff000 0x200>; | ||
| 55 | }; | ||
| 56 | |||
| 57 | dbgu: serial@fffff200 { | ||
| 58 | compatible = "atmel,at91sam9260-usart"; | ||
| 59 | reg = <0xfffff200 0x200>; | ||
| 60 | interrupts = <1>; | ||
| 61 | status = "disabled"; | ||
| 62 | }; | ||
| 63 | |||
| 64 | usart0: serial@fffb0000 { | ||
| 65 | compatible = "atmel,at91sam9260-usart"; | ||
| 66 | reg = <0xfffb0000 0x200>; | ||
| 67 | interrupts = <6>; | ||
| 68 | atmel,use-dma-rx; | ||
| 69 | atmel,use-dma-tx; | ||
| 70 | status = "disabled"; | ||
| 71 | }; | ||
| 72 | |||
| 73 | usart1: serial@fffb4000 { | ||
| 74 | compatible = "atmel,at91sam9260-usart"; | ||
| 75 | reg = <0xfffb4000 0x200>; | ||
| 76 | interrupts = <7>; | ||
| 77 | atmel,use-dma-rx; | ||
| 78 | atmel,use-dma-tx; | ||
| 79 | status = "disabled"; | ||
| 80 | }; | ||
| 81 | |||
| 82 | usart2: serial@fffb8000 { | ||
| 83 | compatible = "atmel,at91sam9260-usart"; | ||
| 84 | reg = <0xfffb8000 0x200>; | ||
| 85 | interrupts = <8>; | ||
| 86 | atmel,use-dma-rx; | ||
| 87 | atmel,use-dma-tx; | ||
| 88 | status = "disabled"; | ||
| 89 | }; | ||
| 90 | |||
| 91 | usart3: serial@fffd0000 { | ||
| 92 | compatible = "atmel,at91sam9260-usart"; | ||
| 93 | reg = <0xfffd0000 0x200>; | ||
| 94 | interrupts = <23>; | ||
| 95 | atmel,use-dma-rx; | ||
| 96 | atmel,use-dma-tx; | ||
| 97 | status = "disabled"; | ||
| 98 | }; | ||
| 99 | |||
| 100 | usart4: serial@fffd4000 { | ||
| 101 | compatible = "atmel,at91sam9260-usart"; | ||
| 102 | reg = <0xfffd4000 0x200>; | ||
| 103 | interrupts = <24>; | ||
| 104 | atmel,use-dma-rx; | ||
| 105 | atmel,use-dma-tx; | ||
| 106 | status = "disabled"; | ||
| 107 | }; | ||
| 108 | |||
| 109 | usart5: serial@fffd8000 { | ||
| 110 | compatible = "atmel,at91sam9260-usart"; | ||
| 111 | reg = <0xfffd8000 0x200>; | ||
| 112 | interrupts = <25>; | ||
| 113 | atmel,use-dma-rx; | ||
| 114 | atmel,use-dma-tx; | ||
| 115 | status = "disabled"; | ||
| 116 | }; | ||
| 117 | }; | ||
| 118 | }; | ||
| 119 | }; | ||
| @@ -0,0 +1,106 @@ | |||
| 1 | /* | ||
| 2 | * at91sam9g45.dtsi - Device Tree Include file for AT91SAM9G45 family SoC | ||
| 3 | * applies to AT91SAM9G45, AT91SAM9M10, | ||
| 4 | * AT91SAM9G46, AT91SAM9M11 SoC | ||
| 5 | * | ||
| 6 | * Copyright (C) 2011 Atmel, | ||
| 7 | * 2011 Nicolas Ferre <nicolas.ferre@atmel.com> | ||
| 8 | * | ||
| 9 | * Licensed under GPLv2 or later. | ||
| 10 | */ | ||
| 11 | |||
| 12 | /include/ "skeleton.dtsi" | ||
| 13 | |||
| 14 | / { | ||
| 15 | model = "Atmel AT91SAM9G45 family SoC"; | ||
| 16 | compatible = "atmel,at91sam9g45"; | ||
| 17 | interrupt-parent = <&aic>; | ||
| 18 | |||
| 19 | aliases { | ||
| 20 | serial0 = &dbgu; | ||
| 21 | serial1 = &usart0; | ||
| 22 | serial2 = &usart1; | ||
| 23 | serial3 = &usart2; | ||
| 24 | serial4 = &usart3; | ||
| 25 | }; | ||
| 26 | cpus { | ||
| 27 | cpu@0 { | ||
| 28 | compatible = "arm,arm926ejs"; | ||
| 29 | }; | ||
| 30 | }; | ||
| 31 | |||
| 32 | memory@70000000 { | ||
| 33 | reg = <0x70000000 0x10000000>; | ||
| 34 | }; | ||
| 35 | |||
| 36 | ahb { | ||
| 37 | compatible = "simple-bus"; | ||
| 38 | #address-cells = <1>; | ||
| 39 | #size-cells = <1>; | ||
| 40 | ranges; | ||
| 41 | |||
| 42 | apb { | ||
| 43 | compatible = "simple-bus"; | ||
| 44 | #address-cells = <1>; | ||
| 45 | #size-cells = <1>; | ||
| 46 | ranges; | ||
| 47 | |||
| 48 | aic: interrupt-controller@fffff000 { | ||
| 49 | #interrupt-cells = <1>; | ||
| 50 | compatible = "atmel,at91rm9200-aic"; | ||
| 51 | interrupt-controller; | ||
| 52 | interrupt-parent; | ||
| 53 | reg = <0xfffff000 0x200>; | ||
| 54 | }; | ||
| 55 | |||
| 56 | dma: dma-controller@ffffec00 { | ||
| 57 | compatible = "atmel,at91sam9g45-dma"; | ||
| 58 | reg = <0xffffec00 0x200>; | ||
| 59 | interrupts = <21>; | ||
| 60 | }; | ||
| 61 | |||
| 62 | dbgu: serial@ffffee00 { | ||
| 63 | compatible = "atmel,at91sam9260-usart"; | ||
| 64 | reg = <0xffffee00 0x200>; | ||
| 65 | interrupts = <1>; | ||
| 66 | status = "disabled"; | ||
| 67 | }; | ||
| 68 | |||
| 69 | usart0: serial@fff8c000 { | ||
| 70 | compatible = "atmel,at91sam9260-usart"; | ||
| 71 | reg = <0xfff8c000 0x200>; | ||
| 72 | interrupts = <7>; | ||
| 73 | atmel,use-dma-rx; | ||
| 74 | atmel,use-dma-tx; | ||
| 75 | status = "disabled"; | ||
| 76 | }; | ||
| 77 | |||
| 78 | usart1: serial@fff90000 { | ||
| 79 | compatible = "atmel,at91sam9260-usart"; | ||
| 80 | reg = <0xfff90000 0x200>; | ||
| 81 | interrupts = <8>; | ||
| 82 | atmel,use-dma-rx; | ||
| 83 | atmel,use-dma-tx; | ||
| 84 | status = "disabled"; | ||
| 85 | }; | ||
| 86 | |||
| 87 | usart2: serial@fff94000 { | ||
| 88 | compatible = "atmel,at91sam9260-usart"; | ||
| 89 | reg = <0xfff94000 0x200>; | ||
| 90 | interrupts = <9>; | ||
| 91 | atmel,use-dma-rx; | ||
| 92 | atmel,use-dma-tx; | ||
| 93 | status = "disabled"; | ||
| 94 | }; | ||
| 95 | |||
| 96 | usart3: serial@fff98000 { | ||
| 97 | compatible = "atmel,at91sam9260-usart"; | ||
| 98 | reg = <0xfff98000 0x200>; | ||
| 99 | interrupts = <10>; | ||
| 100 | atmel,use-dma-rx; | ||
| 101 | atmel,use-dma-tx; | ||
| 102 | status = "disabled"; | ||
| 103 | }; | ||
| 104 | }; | ||
| 105 | }; | ||
| 106 | }; | ||
| @@ -0,0 +1,35 @@ | |||
| 1 | /* | ||
| 2 | * at91sam9m10g45ek.dts - Device Tree file for AT91SAM9M10G45-EK board | ||
| 3 | * | ||
| 4 | * Copyright (C) 2011 Atmel, | ||
| 5 | * 2011 Nicolas Ferre <nicolas.ferre@atmel.com> | ||
| 6 | * | ||
| 7 | * Licensed under GPLv2 or later. | ||
| 8 | */ | ||
| 9 | /dts-v1/; | ||
| 10 | /include/ "at91sam9g45.dtsi" | ||
| 11 | |||
| 12 | / { | ||
| 13 | model = "Atmel AT91SAM9M10G45-EK"; | ||
| 14 | compatible = "atmel,at91sam9m10g45ek", "atmel,at91sam9g45", "atmel,at91sam9"; | ||
| 15 | |||
| 16 | chosen { | ||
| 17 | bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2"; | ||
| 18 | }; | ||
| 19 | |||
| 20 | memory@70000000 { | ||
| 21 | reg = <0x70000000 0x4000000>; | ||
| 22 | }; | ||
| 23 | |||
| 24 | ahb { | ||
| 25 | apb { | ||
| 26 | dbgu: serial@ffffee00 { | ||
| 27 | status = "okay"; | ||
| 28 | }; | ||
| 29 | |||
| 30 | usart1: serial@fff90000 { | ||
| 31 | status = "okay"; | ||
| 32 | }; | ||
| 33 | }; | ||
| 34 | }; | ||
| 35 | }; | ||
| @@ -0,0 +1,198 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Calxeda, Inc. | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify it | ||
| 5 | * under the terms and conditions of the GNU General Public License, | ||
| 6 | * version 2, as published by the Free Software Foundation. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 11 | * more details. | ||
| 12 | * | ||
| 13 | * You should have received a copy of the GNU General Public License along with | ||
| 14 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| 15 | */ | ||
| 16 | |||
| 17 | /dts-v1/; | ||
| 18 | |||
| 19 | /* First 4KB has pen for secondary cores. */ | ||
| 20 | /memreserve/ 0x00000000 0x0001000; | ||
| 21 | |||
| 22 | / { | ||
| 23 | model = "Calxeda Highbank"; | ||
| 24 | compatible = "calxeda,highbank"; | ||
| 25 | #address-cells = <1>; | ||
| 26 | #size-cells = <1>; | ||
| 27 | |||
| 28 | cpus { | ||
| 29 | #address-cells = <1>; | ||
| 30 | #size-cells = <0>; | ||
| 31 | |||
| 32 | cpu@0 { | ||
| 33 | compatible = "arm,cortex-a9"; | ||
| 34 | reg = <0>; | ||
| 35 | next-level-cache = <&L2>; | ||
| 36 | }; | ||
| 37 | |||
| 38 | cpu@1 { | ||
| 39 | compatible = "arm,cortex-a9"; | ||
| 40 | reg = <1>; | ||
| 41 | next-level-cache = <&L2>; | ||
| 42 | }; | ||
| 43 | |||
| 44 | cpu@2 { | ||
| 45 | compatible = "arm,cortex-a9"; | ||
| 46 | reg = <2>; | ||
| 47 | next-level-cache = <&L2>; | ||
| 48 | }; | ||
| 49 | |||
| 50 | cpu@3 { | ||
| 51 | compatible = "arm,cortex-a9"; | ||
| 52 | reg = <3>; | ||
| 53 | next-level-cache = <&L2>; | ||
| 54 | }; | ||
| 55 | }; | ||
| 56 | |||
| 57 | memory { | ||
| 58 | name = "memory"; | ||
| 59 | device_type = "memory"; | ||
| 60 | reg = <0x00000000 0xff900000>; | ||
| 61 | }; | ||
| 62 | |||
| 63 | chosen { | ||
| 64 | bootargs = "console=ttyAMA0"; | ||
| 65 | }; | ||
| 66 | |||
| 67 | soc { | ||
| 68 | #address-cells = <1>; | ||
| 69 | #size-cells = <1>; | ||
| 70 | compatible = "simple-bus"; | ||
| 71 | interrupt-parent = <&intc>; | ||
| 72 | ranges; | ||
| 73 | |||
| 74 | timer@fff10600 { | ||
| 75 | compatible = "arm,smp-twd"; | ||
| 76 | reg = <0xfff10600 0x20>; | ||
| 77 | interrupts = <1 13 0xf04>; | ||
| 78 | }; | ||
| 79 | |||
| 80 | watchdog@fff10620 { | ||
| 81 | compatible = "arm,cortex-a9-wdt"; | ||
| 82 | reg = <0xfff10620 0x20>; | ||
| 83 | interrupts = <1 14 0xf04>; | ||
| 84 | }; | ||
| 85 | |||
| 86 | intc: interrupt-controller@fff11000 { | ||
| 87 | compatible = "arm,cortex-a9-gic"; | ||
| 88 | #interrupt-cells = <3>; | ||
| 89 | #size-cells = <0>; | ||
| 90 | #address-cells = <1>; | ||
| 91 | interrupt-controller; | ||
| 92 | interrupt-parent; | ||
| 93 | reg = <0xfff11000 0x1000>, | ||
| 94 | <0xfff10100 0x100>; | ||
| 95 | }; | ||
| 96 | |||
| 97 | L2: l2-cache { | ||
| 98 | compatible = "arm,pl310-cache"; | ||
| 99 | reg = <0xfff12000 0x1000>; | ||
| 100 | interrupts = <0 70 4>; | ||
| 101 | cache-unified; | ||
| 102 | cache-level = <2>; | ||
| 103 | }; | ||
| 104 | |||
| 105 | pmu { | ||
| 106 | compatible = "arm,cortex-a9-pmu"; | ||
| 107 | interrupts = <0 76 4 0 75 4 0 74 4 0 73 4>; | ||
| 108 | }; | ||
| 109 | |||
| 110 | sata@ffe08000 { | ||
| 111 | compatible = "calxeda,hb-ahci"; | ||
| 112 | reg = <0xffe08000 0x10000>; | ||
| 113 | interrupts = <0 83 4>; | ||
| 114 | }; | ||
| 115 | |||
| 116 | sdhci@ffe0e000 { | ||
| 117 | compatible = "calxeda,hb-sdhci"; | ||
| 118 | reg = <0xffe0e000 0x1000>; | ||
| 119 | interrupts = <0 90 4>; | ||
| 120 | }; | ||
| 121 | |||
| 122 | ipc@fff20000 { | ||
| 123 | compatible = "arm,pl320", "arm,primecell"; | ||
| 124 | reg = <0xfff20000 0x1000>; | ||
| 125 | interrupts = <0 7 4>; | ||
| 126 | }; | ||
| 127 | |||
| 128 | gpioe: gpio@fff30000 { | ||
| 129 | #gpio-cells = <2>; | ||
| 130 | compatible = "arm,pl061", "arm,primecell"; | ||
| 131 | gpio-controller; | ||
| 132 | reg = <0xfff30000 0x1000>; | ||
| 133 | interrupts = <0 14 4>; | ||
| 134 | }; | ||
| 135 | |||
| 136 | gpiof: gpio@fff31000 { | ||
| 137 | #gpio-cells = <2>; | ||
| 138 | compatible = "arm,pl061", "arm,primecell"; | ||
| 139 | gpio-controller; | ||
| 140 | reg = <0xfff31000 0x1000>; | ||
| 141 | interrupts = <0 15 4>; | ||
| 142 | }; | ||
| 143 | |||
| 144 | gpiog: gpio@fff32000 { | ||
| 145 | #gpio-cells = <2>; | ||
| 146 | compatible = "arm,pl061", "arm,primecell"; | ||
| 147 | gpio-controller; | ||
| 148 | reg = <0xfff32000 0x1000>; | ||
| 149 | interrupts = <0 16 4>; | ||
| 150 | }; | ||
| 151 | |||
| 152 | gpioh: gpio@fff33000 { | ||
| 153 | #gpio-cells = <2>; | ||
| 154 | compatible = "arm,pl061", "arm,primecell"; | ||
| 155 | gpio-controller; | ||
| 156 | reg = <0xfff33000 0x1000>; | ||
| 157 | interrupts = <0 17 4>; | ||
| 158 | }; | ||
| 159 | |||
| 160 | timer { | ||
| 161 | compatible = "arm,sp804", "arm,primecell"; | ||
| 162 | reg = <0xfff34000 0x1000>; | ||
| 163 | interrupts = <0 18 4>; | ||
| 164 | }; | ||
| 165 | |||
| 166 | rtc@fff35000 { | ||
| 167 | compatible = "arm,pl031", "arm,primecell"; | ||
| 168 | reg = <0xfff35000 0x1000>; | ||
| 169 | interrupts = <0 19 4>; | ||
| 170 | }; | ||
| 171 | |||
| 172 | serial@fff36000 { | ||
| 173 | compatible = "arm,pl011", "arm,primecell"; | ||
| 174 | reg = <0xfff36000 0x1000>; | ||
| 175 | interrupts = <0 20 4>; | ||
| 176 | }; | ||
| 177 | |||
| 178 | smic@fff3a000 { | ||
| 179 | compatible = "ipmi-smic"; | ||
| 180 | device_type = "ipmi"; | ||
| 181 | reg = <0xfff3a000 0x1000>; | ||
| 182 | interrupts = <0 24 4>; | ||
| 183 | reg-size = <4>; | ||
| 184 | reg-spacing = <4>; | ||
| 185 | }; | ||
| 186 | |||
| 187 | sregs@fff3c000 { | ||
| 188 | compatible = "calxeda,hb-sregs"; | ||
| 189 | reg = <0xfff3c000 0x1000>; | ||
| 190 | }; | ||
| 191 | |||
| 192 | dma@fff3d000 { | ||
| 193 | compatible = "arm,pl330", "arm,primecell"; | ||
| 194 | reg = <0xfff3d000 0x1000>; | ||
| 195 | interrupts = <0 92 4>; | ||
| 196 | }; | ||
| 197 | }; | ||
| 198 | }; | ||
| @@ -0,0 +1,135 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx51.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX51 Babbage Board"; | ||
| 18 | compatible = "fsl,imx51-babbage", "fsl,imx51"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x90000000 0x20000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips@70000000 { /* aips-1 */ | ||
| 30 | spba@70000000 { | ||
| 31 | esdhc@70004000 { /* ESDHC1 */ | ||
| 32 | fsl,cd-internal; | ||
| 33 | fsl,wp-internal; | ||
| 34 | status = "okay"; | ||
| 35 | }; | ||
| 36 | |||
| 37 | esdhc@70008000 { /* ESDHC2 */ | ||
| 38 | cd-gpios = <&gpio0 6 0>; /* GPIO1_6 */ | ||
| 39 | wp-gpios = <&gpio0 5 0>; /* GPIO1_5 */ | ||
| 40 | status = "okay"; | ||
| 41 | }; | ||
| 42 | |||
| 43 | uart2: uart@7000c000 { /* UART3 */ | ||
| 44 | fsl,uart-has-rtscts; | ||
| 45 | status = "okay"; | ||
| 46 | }; | ||
| 47 | |||
| 48 | ecspi@70010000 { /* ECSPI1 */ | ||
| 49 | fsl,spi-num-chipselects = <2>; | ||
| 50 | cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */ | ||
| 51 | <&gpio3 25 0>; /* GPIO4_25 */ | ||
| 52 | status = "okay"; | ||
| 53 | |||
| 54 | pmic: mc13892@0 { | ||
| 55 | #address-cells = <1>; | ||
| 56 | #size-cells = <0>; | ||
| 57 | compatible = "fsl,mc13892"; | ||
| 58 | spi-max-frequency = <6000000>; | ||
| 59 | reg = <0>; | ||
| 60 | mc13xxx-irq-gpios = <&gpio0 8 0>; /* GPIO1_8 */ | ||
| 61 | fsl,mc13xxx-uses-regulator; | ||
| 62 | }; | ||
| 63 | |||
| 64 | flash: at45db321d@1 { | ||
| 65 | #address-cells = <1>; | ||
| 66 | #size-cells = <1>; | ||
| 67 | compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash"; | ||
| 68 | spi-max-frequency = <25000000>; | ||
| 69 | reg = <1>; | ||
| 70 | |||
| 71 | partition@0 { | ||
| 72 | label = "U-Boot"; | ||
| 73 | reg = <0x0 0x40000>; | ||
| 74 | read-only; | ||
| 75 | }; | ||
| 76 | |||
| 77 | partition@40000 { | ||
| 78 | label = "Kernel"; | ||
| 79 | reg = <0x40000 0x3c0000>; | ||
| 80 | }; | ||
| 81 | }; | ||
| 82 | }; | ||
| 83 | }; | ||
| 84 | |||
| 85 | wdog@73f98000 { /* WDOG1 */ | ||
| 86 | status = "okay"; | ||
| 87 | }; | ||
| 88 | |||
| 89 | iomuxc@73fa8000 { | ||
| 90 | compatible = "fsl,imx51-iomuxc-babbage"; | ||
| 91 | reg = <0x73fa8000 0x4000>; | ||
| 92 | }; | ||
| 93 | |||
| 94 | uart0: uart@73fbc000 { | ||
| 95 | fsl,uart-has-rtscts; | ||
| 96 | status = "okay"; | ||
| 97 | }; | ||
| 98 | |||
| 99 | uart1: uart@73fc0000 { | ||
| 100 | status = "okay"; | ||
| 101 | }; | ||
| 102 | }; | ||
| 103 | |||
| 104 | aips@80000000 { /* aips-2 */ | ||
| 105 | sdma@83fb0000 { | ||
| 106 | fsl,sdma-ram-script-name = "imx/sdma/sdma-imx51.bin"; | ||
| 107 | }; | ||
| 108 | |||
| 109 | i2c@83fc4000 { /* I2C2 */ | ||
| 110 | status = "okay"; | ||
| 111 | |||
| 112 | codec: sgtl5000@0a { | ||
| 113 | compatible = "fsl,sgtl5000"; | ||
| 114 | reg = <0x0a>; | ||
| 115 | }; | ||
| 116 | }; | ||
| 117 | |||
| 118 | fec@83fec000 { | ||
| 119 | phy-mode = "mii"; | ||
| 120 | status = "okay"; | ||
| 121 | }; | ||
| 122 | }; | ||
| 123 | }; | ||
| 124 | |||
| 125 | gpio-keys { | ||
| 126 | compatible = "gpio-keys"; | ||
| 127 | |||
| 128 | power { | ||
| 129 | label = "Power Button"; | ||
| 130 | gpios = <&gpio1 21 0>; | ||
| 131 | linux,code = <116>; /* KEY_POWER */ | ||
| 132 | gpio-key,wakeup; | ||
| 133 | }; | ||
| 134 | }; | ||
| 135 | }; | ||
| @@ -0,0 +1,246 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /include/ "skeleton.dtsi" | ||
| 14 | |||
| 15 | / { | ||
| 16 | aliases { | ||
| 17 | serial0 = &uart0; | ||
| 18 | serial1 = &uart1; | ||
| 19 | serial2 = &uart2; | ||
| 20 | }; | ||
| 21 | |||
| 22 | tzic: tz-interrupt-controller@e0000000 { | ||
| 23 | compatible = "fsl,imx51-tzic", "fsl,tzic"; | ||
| 24 | interrupt-controller; | ||
| 25 | #interrupt-cells = <1>; | ||
| 26 | reg = <0xe0000000 0x4000>; | ||
| 27 | }; | ||
| 28 | |||
| 29 | clocks { | ||
| 30 | #address-cells = <1>; | ||
| 31 | #size-cells = <0>; | ||
| 32 | |||
| 33 | ckil { | ||
| 34 | compatible = "fsl,imx-ckil", "fixed-clock"; | ||
| 35 | clock-frequency = <32768>; | ||
| 36 | }; | ||
| 37 | |||
| 38 | ckih1 { | ||
| 39 | compatible = "fsl,imx-ckih1", "fixed-clock"; | ||
| 40 | clock-frequency = <22579200>; | ||
| 41 | }; | ||
| 42 | |||
| 43 | ckih2 { | ||
| 44 | compatible = "fsl,imx-ckih2", "fixed-clock"; | ||
| 45 | clock-frequency = <0>; | ||
| 46 | }; | ||
| 47 | |||
| 48 | osc { | ||
| 49 | compatible = "fsl,imx-osc", "fixed-clock"; | ||
| 50 | clock-frequency = <24000000>; | ||
| 51 | }; | ||
| 52 | }; | ||
| 53 | |||
| 54 | soc { | ||
| 55 | #address-cells = <1>; | ||
| 56 | #size-cells = <1>; | ||
| 57 | compatible = "simple-bus"; | ||
| 58 | interrupt-parent = <&tzic>; | ||
| 59 | ranges; | ||
| 60 | |||
| 61 | aips@70000000 { /* AIPS1 */ | ||
| 62 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 63 | #address-cells = <1>; | ||
| 64 | #size-cells = <1>; | ||
| 65 | reg = <0x70000000 0x10000000>; | ||
| 66 | ranges; | ||
| 67 | |||
| 68 | spba@70000000 { | ||
| 69 | compatible = "fsl,spba-bus", "simple-bus"; | ||
| 70 | #address-cells = <1>; | ||
| 71 | #size-cells = <1>; | ||
| 72 | reg = <0x70000000 0x40000>; | ||
| 73 | ranges; | ||
| 74 | |||
| 75 | esdhc@70004000 { /* ESDHC1 */ | ||
| 76 | compatible = "fsl,imx51-esdhc"; | ||
| 77 | reg = <0x70004000 0x4000>; | ||
| 78 | interrupts = <1>; | ||
| 79 | status = "disabled"; | ||
| 80 | }; | ||
| 81 | |||
| 82 | esdhc@70008000 { /* ESDHC2 */ | ||
| 83 | compatible = "fsl,imx51-esdhc"; | ||
| 84 | reg = <0x70008000 0x4000>; | ||
| 85 | interrupts = <2>; | ||
| 86 | status = "disabled"; | ||
| 87 | }; | ||
| 88 | |||
| 89 | uart2: uart@7000c000 { /* UART3 */ | ||
| 90 | compatible = "fsl,imx51-uart", "fsl,imx21-uart"; | ||
| 91 | reg = <0x7000c000 0x4000>; | ||
| 92 | interrupts = <33>; | ||
| 93 | status = "disabled"; | ||
| 94 | }; | ||
| 95 | |||
| 96 | ecspi@70010000 { /* ECSPI1 */ | ||
| 97 | #address-cells = <1>; | ||
| 98 | #size-cells = <0>; | ||
| 99 | compatible = "fsl,imx51-ecspi"; | ||
| 100 | reg = <0x70010000 0x4000>; | ||
| 101 | interrupts = <36>; | ||
| 102 | status = "disabled"; | ||
| 103 | }; | ||
| 104 | |||
| 105 | esdhc@70020000 { /* ESDHC3 */ | ||
| 106 | compatible = "fsl,imx51-esdhc"; | ||
| 107 | reg = <0x70020000 0x4000>; | ||
| 108 | interrupts = <3>; | ||
| 109 | status = "disabled"; | ||
| 110 | }; | ||
| 111 | |||
| 112 | esdhc@70024000 { /* ESDHC4 */ | ||
| 113 | compatible = "fsl,imx51-esdhc"; | ||
| 114 | reg = <0x70024000 0x4000>; | ||
| 115 | interrupts = <4>; | ||
| 116 | status = "disabled"; | ||
| 117 | }; | ||
| 118 | }; | ||
| 119 | |||
| 120 | gpio0: gpio@73f84000 { /* GPIO1 */ | ||
| 121 | compatible = "fsl,imx51-gpio", "fsl,imx31-gpio"; | ||
| 122 | reg = <0x73f84000 0x4000>; | ||
| 123 | interrupts = <50 51>; | ||
| 124 | gpio-controller; | ||
| 125 | #gpio-cells = <2>; | ||
| 126 | interrupt-controller; | ||
| 127 | #interrupt-cells = <1>; | ||
| 128 | }; | ||
| 129 | |||
| 130 | gpio1: gpio@73f88000 { /* GPIO2 */ | ||
| 131 | compatible = "fsl,imx51-gpio", "fsl,imx31-gpio"; | ||
| 132 | reg = <0x73f88000 0x4000>; | ||
| 133 | interrupts = <52 53>; | ||
| 134 | gpio-controller; | ||
| 135 | #gpio-cells = <2>; | ||
| 136 | interrupt-controller; | ||
| 137 | #interrupt-cells = <1>; | ||
| 138 | }; | ||
| 139 | |||
| 140 | gpio2: gpio@73f8c000 { /* GPIO3 */ | ||
| 141 | compatible = "fsl,imx51-gpio", "fsl,imx31-gpio"; | ||
| 142 | reg = <0x73f8c000 0x4000>; | ||
| 143 | interrupts = <54 55>; | ||
| 144 | gpio-controller; | ||
| 145 | #gpio-cells = <2>; | ||
| 146 | interrupt-controller; | ||
| 147 | #interrupt-cells = <1>; | ||
| 148 | }; | ||
| 149 | |||
| 150 | gpio3: gpio@73f90000 { /* GPIO4 */ | ||
| 151 | compatible = "fsl,imx51-gpio", "fsl,imx31-gpio"; | ||
| 152 | reg = <0x73f90000 0x4000>; | ||
| 153 | interrupts = <56 57>; | ||
| 154 | gpio-controller; | ||
| 155 | #gpio-cells = <2>; | ||
| 156 | interrupt-controller; | ||
| 157 | #interrupt-cells = <1>; | ||
| 158 | }; | ||
| 159 | |||
| 160 | wdog@73f98000 { /* WDOG1 */ | ||
| 161 | compatible = "fsl,imx51-wdt", "fsl,imx21-wdt"; | ||
| 162 | reg = <0x73f98000 0x4000>; | ||
| 163 | interrupts = <58>; | ||
| 164 | status = "disabled"; | ||
| 165 | }; | ||
| 166 | |||
| 167 | wdog@73f9c000 { /* WDOG2 */ | ||
| 168 | compatible = "fsl,imx51-wdt", "fsl,imx21-wdt"; | ||
| 169 | reg = <0x73f9c000 0x4000>; | ||
| 170 | interrupts = <59>; | ||
| 171 | status = "disabled"; | ||
| 172 | }; | ||
| 173 | |||
| 174 | uart0: uart@73fbc000 { | ||
| 175 | compatible = "fsl,imx51-uart", "fsl,imx21-uart"; | ||
| 176 | reg = <0x73fbc000 0x4000>; | ||
| 177 | interrupts = <31>; | ||
| 178 | status = "disabled"; | ||
| 179 | }; | ||
| 180 | |||
| 181 | uart1: uart@73fc0000 { | ||
| 182 | compatible = "fsl,imx51-uart", "fsl,imx21-uart"; | ||
| 183 | reg = <0x73fc0000 0x4000>; | ||
| 184 | interrupts = <32>; | ||
| 185 | status = "disabled"; | ||
| 186 | }; | ||
| 187 | }; | ||
| 188 | |||
| 189 | aips@80000000 { /* AIPS2 */ | ||
| 190 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 191 | #address-cells = <1>; | ||
| 192 | #size-cells = <1>; | ||
| 193 | reg = <0x80000000 0x10000000>; | ||
| 194 | ranges; | ||
| 195 | |||
| 196 | ecspi@83fac000 { /* ECSPI2 */ | ||
| 197 | #address-cells = <1>; | ||
| 198 | #size-cells = <0>; | ||
| 199 | compatible = "fsl,imx51-ecspi"; | ||
| 200 | reg = <0x83fac000 0x4000>; | ||
| 201 | interrupts = <37>; | ||
| 202 | status = "disabled"; | ||
| 203 | }; | ||
| 204 | |||
| 205 | sdma@83fb0000 { | ||
| 206 | compatible = "fsl,imx51-sdma", "fsl,imx35-sdma"; | ||
| 207 | reg = <0x83fb0000 0x4000>; | ||
| 208 | interrupts = <6>; | ||
| 209 | }; | ||
| 210 | |||
| 211 | cspi@83fc0000 { | ||
| 212 | #address-cells = <1>; | ||
| 213 | #size-cells = <0>; | ||
| 214 | compatible = "fsl,imx51-cspi", "fsl,imx35-cspi"; | ||
| 215 | reg = <0x83fc0000 0x4000>; | ||
| 216 | interrupts = <38>; | ||
| 217 | status = "disabled"; | ||
| 218 | }; | ||
| 219 | |||
| 220 | i2c@83fc4000 { /* I2C2 */ | ||
| 221 | #address-cells = <1>; | ||
| 222 | #size-cells = <0>; | ||
| 223 | compatible = "fsl,imx51-i2c", "fsl,imx1-i2c"; | ||
| 224 | reg = <0x83fc4000 0x4000>; | ||
| 225 | interrupts = <63>; | ||
| 226 | status = "disabled"; | ||
| 227 | }; | ||
| 228 | |||
| 229 | i2c@83fc8000 { /* I2C1 */ | ||
| 230 | #address-cells = <1>; | ||
| 231 | #size-cells = <0>; | ||
| 232 | compatible = "fsl,imx51-i2c", "fsl,imx1-i2c"; | ||
| 233 | reg = <0x83fc8000 0x4000>; | ||
| 234 | interrupts = <62>; | ||
| 235 | status = "disabled"; | ||
| 236 | }; | ||
| 237 | |||
| 238 | fec@83fec000 { | ||
| 239 | compatible = "fsl,imx51-fec", "fsl,imx27-fec"; | ||
| 240 | reg = <0x83fec000 0x4000>; | ||
| 241 | interrupts = <87>; | ||
| 242 | status = "disabled"; | ||
| 243 | }; | ||
| 244 | }; | ||
| 245 | }; | ||
| 246 | }; | ||
| @@ -0,0 +1,113 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx53.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX53 Automotive Reference Design Board"; | ||
| 18 | compatible = "fsl,imx53-ard", "fsl,imx53"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x70000000 0x40000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips@50000000 { /* AIPS1 */ | ||
| 30 | spba@50000000 { | ||
| 31 | esdhc@50004000 { /* ESDHC1 */ | ||
| 32 | cd-gpios = <&gpio0 1 0>; /* GPIO1_1 */ | ||
| 33 | wp-gpios = <&gpio0 9 0>; /* GPIO1_9 */ | ||
| 34 | status = "okay"; | ||
| 35 | }; | ||
| 36 | }; | ||
| 37 | |||
| 38 | wdog@53f98000 { /* WDOG1 */ | ||
| 39 | status = "okay"; | ||
| 40 | }; | ||
| 41 | |||
| 42 | iomuxc@53fa8000 { | ||
| 43 | compatible = "fsl,imx53-iomuxc-ard"; | ||
| 44 | reg = <0x53fa8000 0x4000>; | ||
| 45 | }; | ||
| 46 | |||
| 47 | uart0: uart@53fbc000 { /* UART1 */ | ||
| 48 | status = "okay"; | ||
| 49 | }; | ||
| 50 | }; | ||
| 51 | |||
| 52 | aips@60000000 { /* AIPS2 */ | ||
| 53 | sdma@63fb0000 { | ||
| 54 | fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin"; | ||
| 55 | }; | ||
| 56 | }; | ||
| 57 | }; | ||
| 58 | |||
| 59 | eim-cs1@f4000000 { | ||
| 60 | #address-cells = <1>; | ||
| 61 | #size-cells = <1>; | ||
| 62 | compatible = "fsl,eim-bus", "simple-bus"; | ||
| 63 | reg = <0xf4000000 0x3ff0000>; | ||
| 64 | ranges; | ||
| 65 | |||
| 66 | lan9220@f4000000 { | ||
| 67 | compatible = "smsc,lan9220", "smsc,lan9115"; | ||
| 68 | reg = <0xf4000000 0x2000000>; | ||
| 69 | phy-mode = "mii"; | ||
| 70 | interrupt-parent = <&gpio1>; | ||
| 71 | interrupts = <31>; | ||
| 72 | reg-io-width = <4>; | ||
| 73 | smsc,irq-push-pull; | ||
| 74 | }; | ||
| 75 | }; | ||
| 76 | |||
| 77 | gpio-keys { | ||
| 78 | compatible = "gpio-keys"; | ||
| 79 | |||
| 80 | home { | ||
| 81 | label = "Home"; | ||
| 82 | gpios = <&gpio4 10 0>; /* GPIO5_10 */ | ||
| 83 | linux,code = <102>; /* KEY_HOME */ | ||
| 84 | gpio-key,wakeup; | ||
| 85 | }; | ||
| 86 | |||
| 87 | back { | ||
| 88 | label = "Back"; | ||
| 89 | gpios = <&gpio4 11 0>; /* GPIO5_11 */ | ||
| 90 | linux,code = <158>; /* KEY_BACK */ | ||
| 91 | gpio-key,wakeup; | ||
| 92 | }; | ||
| 93 | |||
| 94 | program { | ||
| 95 | label = "Program"; | ||
| 96 | gpios = <&gpio4 12 0>; /* GPIO5_12 */ | ||
| 97 | linux,code = <362>; /* KEY_PROGRAM */ | ||
| 98 | gpio-key,wakeup; | ||
| 99 | }; | ||
| 100 | |||
| 101 | volume-up { | ||
| 102 | label = "Volume Up"; | ||
| 103 | gpios = <&gpio4 13 0>; /* GPIO5_13 */ | ||
| 104 | linux,code = <115>; /* KEY_VOLUMEUP */ | ||
| 105 | }; | ||
| 106 | |||
| 107 | volume-down { | ||
| 108 | label = "Volume Down"; | ||
| 109 | gpios = <&gpio3 0 0>; /* GPIO4_0 */ | ||
| 110 | linux,code = <114>; /* KEY_VOLUMEDOWN */ | ||
| 111 | }; | ||
| 112 | }; | ||
| 113 | }; | ||
| @@ -0,0 +1,120 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx53.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX53 Evaluation Kit"; | ||
| 18 | compatible = "fsl,imx53-evk", "fsl,imx53"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x70000000 0x80000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips@50000000 { /* AIPS1 */ | ||
| 30 | spba@50000000 { | ||
| 31 | esdhc@50004000 { /* ESDHC1 */ | ||
| 32 | cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */ | ||
| 33 | wp-gpios = <&gpio2 14 0>; /* GPIO3_14 */ | ||
| 34 | status = "okay"; | ||
| 35 | }; | ||
| 36 | |||
| 37 | ecspi@50010000 { /* ECSPI1 */ | ||
| 38 | fsl,spi-num-chipselects = <2>; | ||
| 39 | cs-gpios = <&gpio1 30 0>, /* GPIO2_30 */ | ||
| 40 | <&gpio2 19 0>; /* GPIO3_19 */ | ||
| 41 | status = "okay"; | ||
| 42 | |||
| 43 | flash: at45db321d@1 { | ||
| 44 | #address-cells = <1>; | ||
| 45 | #size-cells = <1>; | ||
| 46 | compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash"; | ||
| 47 | spi-max-frequency = <25000000>; | ||
| 48 | reg = <1>; | ||
| 49 | |||
| 50 | partition@0 { | ||
| 51 | label = "U-Boot"; | ||
| 52 | reg = <0x0 0x40000>; | ||
| 53 | read-only; | ||
| 54 | }; | ||
| 55 | |||
| 56 | partition@40000 { | ||
| 57 | label = "Kernel"; | ||
| 58 | reg = <0x40000 0x3c0000>; | ||
| 59 | }; | ||
| 60 | }; | ||
| 61 | }; | ||
| 62 | |||
| 63 | esdhc@50020000 { /* ESDHC3 */ | ||
| 64 | cd-gpios = <&gpio2 11 0>; /* GPIO3_11 */ | ||
| 65 | wp-gpios = <&gpio2 12 0>; /* GPIO3_12 */ | ||
| 66 | status = "okay"; | ||
| 67 | }; | ||
| 68 | }; | ||
| 69 | |||
| 70 | wdog@53f98000 { /* WDOG1 */ | ||
| 71 | status = "okay"; | ||
| 72 | }; | ||
| 73 | |||
| 74 | iomuxc@53fa8000 { | ||
| 75 | compatible = "fsl,imx53-iomuxc-evk"; | ||
| 76 | reg = <0x53fa8000 0x4000>; | ||
| 77 | }; | ||
| 78 | |||
| 79 | uart0: uart@53fbc000 { /* UART1 */ | ||
| 80 | status = "okay"; | ||
| 81 | }; | ||
| 82 | }; | ||
| 83 | |||
| 84 | aips@60000000 { /* AIPS2 */ | ||
| 85 | sdma@63fb0000 { | ||
| 86 | fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin"; | ||
| 87 | }; | ||
| 88 | |||
| 89 | i2c@63fc4000 { /* I2C2 */ | ||
| 90 | status = "okay"; | ||
| 91 | |||
| 92 | pmic: mc13892@08 { | ||
| 93 | compatible = "fsl,mc13892", "fsl,mc13xxx"; | ||
| 94 | reg = <0x08>; | ||
| 95 | }; | ||
| 96 | |||
| 97 | codec: sgtl5000@0a { | ||
| 98 | compatible = "fsl,sgtl5000"; | ||
| 99 | reg = <0x0a>; | ||
| 100 | }; | ||
| 101 | }; | ||
| 102 | |||
| 103 | fec@63fec000 { | ||
| 104 | phy-mode = "rmii"; | ||
| 105 | phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */ | ||
| 106 | status = "okay"; | ||
| 107 | }; | ||
| 108 | }; | ||
| 109 | }; | ||
| 110 | |||
| 111 | leds { | ||
| 112 | compatible = "gpio-leds"; | ||
| 113 | |||
| 114 | green { | ||
| 115 | label = "Heartbeat"; | ||
| 116 | gpios = <&gpio6 7 0>; /* GPIO7_7 */ | ||
| 117 | linux,default-trigger = "heartbeat"; | ||
| 118 | }; | ||
| 119 | }; | ||
| 120 | }; | ||
| @@ -0,0 +1,125 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx53.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX53 Quick Start Board"; | ||
| 18 | compatible = "fsl,imx53-qsb", "fsl,imx53"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x70000000 0x40000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips@50000000 { /* AIPS1 */ | ||
| 30 | spba@50000000 { | ||
| 31 | esdhc@50004000 { /* ESDHC1 */ | ||
| 32 | cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */ | ||
| 33 | status = "okay"; | ||
| 34 | }; | ||
| 35 | |||
| 36 | esdhc@50020000 { /* ESDHC3 */ | ||
| 37 | cd-gpios = <&gpio2 11 0>; /* GPIO3_11 */ | ||
| 38 | wp-gpios = <&gpio2 12 0>; /* GPIO3_12 */ | ||
| 39 | status = "okay"; | ||
| 40 | }; | ||
| 41 | }; | ||
| 42 | |||
| 43 | wdog@53f98000 { /* WDOG1 */ | ||
| 44 | status = "okay"; | ||
| 45 | }; | ||
| 46 | |||
| 47 | iomuxc@53fa8000 { | ||
| 48 | compatible = "fsl,imx53-iomuxc-qsb"; | ||
| 49 | reg = <0x53fa8000 0x4000>; | ||
| 50 | }; | ||
| 51 | |||
| 52 | uart0: uart@53fbc000 { /* UART1 */ | ||
| 53 | status = "okay"; | ||
| 54 | }; | ||
| 55 | }; | ||
| 56 | |||
| 57 | aips@60000000 { /* AIPS2 */ | ||
| 58 | sdma@63fb0000 { | ||
| 59 | fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin"; | ||
| 60 | }; | ||
| 61 | |||
| 62 | i2c@63fc4000 { /* I2C2 */ | ||
| 63 | status = "okay"; | ||
| 64 | |||
| 65 | codec: sgtl5000@0a { | ||
| 66 | compatible = "fsl,sgtl5000"; | ||
| 67 | reg = <0x0a>; | ||
| 68 | }; | ||
| 69 | }; | ||
| 70 | |||
| 71 | i2c@63fc8000 { /* I2C1 */ | ||
| 72 | status = "okay"; | ||
| 73 | |||
| 74 | accelerometer: mma8450@1c { | ||
| 75 | compatible = "fsl,mma8450"; | ||
| 76 | reg = <0x1c>; | ||
| 77 | }; | ||
| 78 | |||
| 79 | pmic: dialog@48 { | ||
| 80 | compatible = "dialog,da9053", "dialog,da9052"; | ||
| 81 | reg = <0x48>; | ||
| 82 | }; | ||
| 83 | }; | ||
| 84 | |||
| 85 | fec@63fec000 { | ||
| 86 | phy-mode = "rmii"; | ||
| 87 | phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */ | ||
| 88 | status = "okay"; | ||
| 89 | }; | ||
| 90 | }; | ||
| 91 | }; | ||
| 92 | |||
| 93 | gpio-keys { | ||
| 94 | compatible = "gpio-keys"; | ||
| 95 | |||
| 96 | power { | ||
| 97 | label = "Power Button"; | ||
| 98 | gpios = <&gpio0 8 0>; /* GPIO1_8 */ | ||
| 99 | linux,code = <116>; /* KEY_POWER */ | ||
| 100 | gpio-key,wakeup; | ||
| 101 | }; | ||
| 102 | |||
| 103 | volume-up { | ||
| 104 | label = "Volume Up"; | ||
| 105 | gpios = <&gpio1 14 0>; /* GPIO2_14 */ | ||
| 106 | linux,code = <115>; /* KEY_VOLUMEUP */ | ||
| 107 | }; | ||
| 108 | |||
| 109 | volume-down { | ||
| 110 | label = "Volume Down"; | ||
| 111 | gpios = <&gpio1 15 0>; /* GPIO2_15 */ | ||
| 112 | linux,code = <114>; /* KEY_VOLUMEDOWN */ | ||
| 113 | }; | ||
| 114 | }; | ||
| 115 | |||
| 116 | leds { | ||
| 117 | compatible = "gpio-leds"; | ||
| 118 | |||
| 119 | user { | ||
| 120 | label = "Heartbeat"; | ||
| 121 | gpios = <&gpio6 7 0>; /* GPIO7_7 */ | ||
| 122 | linux,default-trigger = "heartbeat"; | ||
| 123 | }; | ||
| 124 | }; | ||
| 125 | }; | ||
| @@ -0,0 +1,169 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx53.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX53 Smart Mobile Reference Design Board"; | ||
| 18 | compatible = "fsl,imx53-smd", "fsl,imx53"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x70000000 0x40000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips@50000000 { /* AIPS1 */ | ||
| 30 | spba@50000000 { | ||
| 31 | esdhc@50004000 { /* ESDHC1 */ | ||
| 32 | cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */ | ||
| 33 | wp-gpios = <&gpio3 11 0>; /* GPIO4_11 */ | ||
| 34 | status = "okay"; | ||
| 35 | }; | ||
| 36 | |||
| 37 | esdhc@50008000 { /* ESDHC2 */ | ||
| 38 | fsl,card-wired; | ||
| 39 | status = "okay"; | ||
| 40 | }; | ||
| 41 | |||
| 42 | uart2: uart@5000c000 { /* UART3 */ | ||
| 43 | fsl,uart-has-rtscts; | ||
| 44 | status = "okay"; | ||
| 45 | }; | ||
| 46 | |||
| 47 | ecspi@50010000 { /* ECSPI1 */ | ||
| 48 | fsl,spi-num-chipselects = <2>; | ||
| 49 | cs-gpios = <&gpio1 30 0>, /* GPIO2_30 */ | ||
| 50 | <&gpio2 19 0>; /* GPIO3_19 */ | ||
| 51 | status = "okay"; | ||
| 52 | |||
| 53 | zigbee: mc1323@0 { | ||
| 54 | compatible = "fsl,mc1323"; | ||
| 55 | spi-max-frequency = <8000000>; | ||
| 56 | reg = <0>; | ||
| 57 | }; | ||
| 58 | |||
| 59 | flash: m25p32@1 { | ||
| 60 | #address-cells = <1>; | ||
| 61 | #size-cells = <1>; | ||
| 62 | compatible = "st,m25p32", "st,m25p"; | ||
| 63 | spi-max-frequency = <20000000>; | ||
| 64 | reg = <1>; | ||
| 65 | |||
| 66 | partition@0 { | ||
| 67 | label = "U-Boot"; | ||
| 68 | reg = <0x0 0x40000>; | ||
| 69 | read-only; | ||
| 70 | }; | ||
| 71 | |||
| 72 | partition@40000 { | ||
| 73 | label = "Kernel"; | ||
| 74 | reg = <0x40000 0x3c0000>; | ||
| 75 | }; | ||
| 76 | }; | ||
| 77 | }; | ||
| 78 | |||
| 79 | esdhc@50020000 { /* ESDHC3 */ | ||
| 80 | fsl,card-wired; | ||
| 81 | status = "okay"; | ||
| 82 | }; | ||
| 83 | }; | ||
| 84 | |||
| 85 | wdog@53f98000 { /* WDOG1 */ | ||
| 86 | status = "okay"; | ||
| 87 | }; | ||
| 88 | |||
| 89 | iomuxc@53fa8000 { | ||
| 90 | compatible = "fsl,imx53-iomuxc-smd"; | ||
| 91 | reg = <0x53fa8000 0x4000>; | ||
| 92 | }; | ||
| 93 | |||
| 94 | uart0: uart@53fbc000 { /* UART1 */ | ||
| 95 | status = "okay"; | ||
| 96 | }; | ||
| 97 | |||
| 98 | uart1: uart@53fc0000 { /* UART2 */ | ||
| 99 | status = "okay"; | ||
| 100 | }; | ||
| 101 | }; | ||
| 102 | |||
| 103 | aips@60000000 { /* AIPS2 */ | ||
| 104 | sdma@63fb0000 { | ||
| 105 | fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin"; | ||
| 106 | }; | ||
| 107 | |||
| 108 | i2c@63fc4000 { /* I2C2 */ | ||
| 109 | status = "okay"; | ||
| 110 | |||
| 111 | codec: sgtl5000@0a { | ||
| 112 | compatible = "fsl,sgtl5000"; | ||
| 113 | reg = <0x0a>; | ||
| 114 | }; | ||
| 115 | |||
| 116 | magnetometer: mag3110@0e { | ||
| 117 | compatible = "fsl,mag3110"; | ||
| 118 | reg = <0x0e>; | ||
| 119 | }; | ||
| 120 | |||
| 121 | touchkey: mpr121@5a { | ||
| 122 | compatible = "fsl,mpr121"; | ||
| 123 | reg = <0x5a>; | ||
| 124 | }; | ||
| 125 | }; | ||
| 126 | |||
| 127 | i2c@63fc8000 { /* I2C1 */ | ||
| 128 | status = "okay"; | ||
| 129 | |||
| 130 | accelerometer: mma8450@1c { | ||
| 131 | compatible = "fsl,mma8450"; | ||
| 132 | reg = <0x1c>; | ||
| 133 | }; | ||
| 134 | |||
| 135 | camera: ov5642@3c { | ||
| 136 | compatible = "ovti,ov5642"; | ||
| 137 | reg = <0x3c>; | ||
| 138 | }; | ||
| 139 | |||
| 140 | pmic: dialog@48 { | ||
| 141 | compatible = "dialog,da9053", "dialog,da9052"; | ||
| 142 | reg = <0x48>; | ||
| 143 | }; | ||
| 144 | }; | ||
| 145 | |||
| 146 | fec@63fec000 { | ||
| 147 | phy-mode = "rmii"; | ||
| 148 | phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */ | ||
| 149 | status = "okay"; | ||
| 150 | }; | ||
| 151 | }; | ||
| 152 | }; | ||
| 153 | |||
| 154 | gpio-keys { | ||
| 155 | compatible = "gpio-keys"; | ||
| 156 | |||
| 157 | volume-up { | ||
| 158 | label = "Volume Up"; | ||
| 159 | gpios = <&gpio1 14 0>; /* GPIO2_14 */ | ||
| 160 | linux,code = <115>; /* KEY_VOLUMEUP */ | ||
| 161 | }; | ||
| 162 | |||
| 163 | volume-down { | ||
| 164 | label = "Volume Down"; | ||
| 165 | gpios = <&gpio1 15 0>; /* GPIO2_15 */ | ||
| 166 | linux,code = <114>; /* KEY_VOLUMEDOWN */ | ||
| 167 | }; | ||
| 168 | }; | ||
| 169 | }; | ||
| @@ -0,0 +1,301 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /include/ "skeleton.dtsi" | ||
| 14 | |||
| 15 | / { | ||
| 16 | aliases { | ||
| 17 | serial0 = &uart0; | ||
| 18 | serial1 = &uart1; | ||
| 19 | serial2 = &uart2; | ||
| 20 | serial3 = &uart3; | ||
| 21 | serial4 = &uart4; | ||
| 22 | }; | ||
| 23 | |||
| 24 | tzic: tz-interrupt-controller@0fffc000 { | ||
| 25 | compatible = "fsl,imx53-tzic", "fsl,tzic"; | ||
| 26 | interrupt-controller; | ||
| 27 | #interrupt-cells = <1>; | ||
| 28 | reg = <0x0fffc000 0x4000>; | ||
| 29 | }; | ||
| 30 | |||
| 31 | clocks { | ||
| 32 | #address-cells = <1>; | ||
| 33 | #size-cells = <0>; | ||
| 34 | |||
| 35 | ckil { | ||
| 36 | compatible = "fsl,imx-ckil", "fixed-clock"; | ||
| 37 | clock-frequency = <32768>; | ||
| 38 | }; | ||
| 39 | |||
| 40 | ckih1 { | ||
| 41 | compatible = "fsl,imx-ckih1", "fixed-clock"; | ||
| 42 | clock-frequency = <22579200>; | ||
| 43 | }; | ||
| 44 | |||
| 45 | ckih2 { | ||
| 46 | compatible = "fsl,imx-ckih2", "fixed-clock"; | ||
| 47 | clock-frequency = <0>; | ||
| 48 | }; | ||
| 49 | |||
| 50 | osc { | ||
| 51 | compatible = "fsl,imx-osc", "fixed-clock"; | ||
| 52 | clock-frequency = <24000000>; | ||
| 53 | }; | ||
| 54 | }; | ||
| 55 | |||
| 56 | soc { | ||
| 57 | #address-cells = <1>; | ||
| 58 | #size-cells = <1>; | ||
| 59 | compatible = "simple-bus"; | ||
| 60 | interrupt-parent = <&tzic>; | ||
| 61 | ranges; | ||
| 62 | |||
| 63 | aips@50000000 { /* AIPS1 */ | ||
| 64 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 65 | #address-cells = <1>; | ||
| 66 | #size-cells = <1>; | ||
| 67 | reg = <0x50000000 0x10000000>; | ||
| 68 | ranges; | ||
| 69 | |||
| 70 | spba@50000000 { | ||
| 71 | compatible = "fsl,spba-bus", "simple-bus"; | ||
| 72 | #address-cells = <1>; | ||
| 73 | #size-cells = <1>; | ||
| 74 | reg = <0x50000000 0x40000>; | ||
| 75 | ranges; | ||
| 76 | |||
| 77 | esdhc@50004000 { /* ESDHC1 */ | ||
| 78 | compatible = "fsl,imx53-esdhc"; | ||
| 79 | reg = <0x50004000 0x4000>; | ||
| 80 | interrupts = <1>; | ||
| 81 | status = "disabled"; | ||
| 82 | }; | ||
| 83 | |||
| 84 | esdhc@50008000 { /* ESDHC2 */ | ||
| 85 | compatible = "fsl,imx53-esdhc"; | ||
| 86 | reg = <0x50008000 0x4000>; | ||
| 87 | interrupts = <2>; | ||
| 88 | status = "disabled"; | ||
| 89 | }; | ||
| 90 | |||
| 91 | uart2: uart@5000c000 { /* UART3 */ | ||
| 92 | compatible = "fsl,imx53-uart", "fsl,imx21-uart"; | ||
| 93 | reg = <0x5000c000 0x4000>; | ||
| 94 | interrupts = <33>; | ||
| 95 | status = "disabled"; | ||
| 96 | }; | ||
| 97 | |||
| 98 | ecspi@50010000 { /* ECSPI1 */ | ||
| 99 | #address-cells = <1>; | ||
| 100 | #size-cells = <0>; | ||
| 101 | compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi"; | ||
| 102 | reg = <0x50010000 0x4000>; | ||
| 103 | interrupts = <36>; | ||
| 104 | status = "disabled"; | ||
| 105 | }; | ||
| 106 | |||
| 107 | esdhc@50020000 { /* ESDHC3 */ | ||
| 108 | compatible = "fsl,imx53-esdhc"; | ||
| 109 | reg = <0x50020000 0x4000>; | ||
| 110 | interrupts = <3>; | ||
| 111 | status = "disabled"; | ||
| 112 | }; | ||
| 113 | |||
| 114 | esdhc@50024000 { /* ESDHC4 */ | ||
| 115 | compatible = "fsl,imx53-esdhc"; | ||
| 116 | reg = <0x50024000 0x4000>; | ||
| 117 | interrupts = <4>; | ||
| 118 | status = "disabled"; | ||
| 119 | }; | ||
| 120 | }; | ||
| 121 | |||
| 122 | gpio0: gpio@53f84000 { /* GPIO1 */ | ||
| 123 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 124 | reg = <0x53f84000 0x4000>; | ||
| 125 | interrupts = <50 51>; | ||
| 126 | gpio-controller; | ||
| 127 | #gpio-cells = <2>; | ||
| 128 | interrupt-controller; | ||
| 129 | #interrupt-cells = <1>; | ||
| 130 | }; | ||
| 131 | |||
| 132 | gpio1: gpio@53f88000 { /* GPIO2 */ | ||
| 133 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 134 | reg = <0x53f88000 0x4000>; | ||
| 135 | interrupts = <52 53>; | ||
| 136 | gpio-controller; | ||
| 137 | #gpio-cells = <2>; | ||
| 138 | interrupt-controller; | ||
| 139 | #interrupt-cells = <1>; | ||
| 140 | }; | ||
| 141 | |||
| 142 | gpio2: gpio@53f8c000 { /* GPIO3 */ | ||
| 143 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 144 | reg = <0x53f8c000 0x4000>; | ||
| 145 | interrupts = <54 55>; | ||
| 146 | gpio-controller; | ||
| 147 | #gpio-cells = <2>; | ||
| 148 | interrupt-controller; | ||
| 149 | #interrupt-cells = <1>; | ||
| 150 | }; | ||
| 151 | |||
| 152 | gpio3: gpio@53f90000 { /* GPIO4 */ | ||
| 153 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 154 | reg = <0x53f90000 0x4000>; | ||
| 155 | interrupts = <56 57>; | ||
| 156 | gpio-controller; | ||
| 157 | #gpio-cells = <2>; | ||
| 158 | interrupt-controller; | ||
| 159 | #interrupt-cells = <1>; | ||
| 160 | }; | ||
| 161 | |||
| 162 | wdog@53f98000 { /* WDOG1 */ | ||
| 163 | compatible = "fsl,imx53-wdt", "fsl,imx21-wdt"; | ||
| 164 | reg = <0x53f98000 0x4000>; | ||
| 165 | interrupts = <58>; | ||
| 166 | status = "disabled"; | ||
| 167 | }; | ||
| 168 | |||
| 169 | wdog@53f9c000 { /* WDOG2 */ | ||
| 170 | compatible = "fsl,imx53-wdt", "fsl,imx21-wdt"; | ||
| 171 | reg = <0x53f9c000 0x4000>; | ||
| 172 | interrupts = <59>; | ||
| 173 | status = "disabled"; | ||
| 174 | }; | ||
| 175 | |||
| 176 | uart0: uart@53fbc000 { /* UART1 */ | ||
| 177 | compatible = "fsl,imx53-uart", "fsl,imx21-uart"; | ||
| 178 | reg = <0x53fbc000 0x4000>; | ||
| 179 | interrupts = <31>; | ||
| 180 | status = "disabled"; | ||
| 181 | }; | ||
| 182 | |||
| 183 | uart1: uart@53fc0000 { /* UART2 */ | ||
| 184 | compatible = "fsl,imx53-uart", "fsl,imx21-uart"; | ||
| 185 | reg = <0x53fc0000 0x4000>; | ||
| 186 | interrupts = <32>; | ||
| 187 | status = "disabled"; | ||
| 188 | }; | ||
| 189 | |||
| 190 | gpio4: gpio@53fdc000 { /* GPIO5 */ | ||
| 191 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 192 | reg = <0x53fdc000 0x4000>; | ||
| 193 | interrupts = <103 104>; | ||
| 194 | gpio-controller; | ||
| 195 | #gpio-cells = <2>; | ||
| 196 | interrupt-controller; | ||
| 197 | #interrupt-cells = <1>; | ||
| 198 | }; | ||
| 199 | |||
| 200 | gpio5: gpio@53fe0000 { /* GPIO6 */ | ||
| 201 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 202 | reg = <0x53fe0000 0x4000>; | ||
| 203 | interrupts = <105 106>; | ||
| 204 | gpio-controller; | ||
| 205 | #gpio-cells = <2>; | ||
| 206 | interrupt-controller; | ||
| 207 | #interrupt-cells = <1>; | ||
| 208 | }; | ||
| 209 | |||
| 210 | gpio6: gpio@53fe4000 { /* GPIO7 */ | ||
| 211 | compatible = "fsl,imx53-gpio", "fsl,imx31-gpio"; | ||
| 212 | reg = <0x53fe4000 0x4000>; | ||
| 213 | interrupts = <107 108>; | ||
| 214 | gpio-controller; | ||
| 215 | #gpio-cells = <2>; | ||
| 216 | interrupt-controller; | ||
| 217 | #interrupt-cells = <1>; | ||
| 218 | }; | ||
| 219 | |||
| 220 | i2c@53fec000 { /* I2C3 */ | ||
| 221 | #address-cells = <1>; | ||
| 222 | #size-cells = <0>; | ||
| 223 | compatible = "fsl,imx53-i2c", "fsl,imx1-i2c"; | ||
| 224 | reg = <0x53fec000 0x4000>; | ||
| 225 | interrupts = <64>; | ||
| 226 | status = "disabled"; | ||
| 227 | }; | ||
| 228 | |||
| 229 | uart3: uart@53ff0000 { /* UART4 */ | ||
| 230 | compatible = "fsl,imx53-uart", "fsl,imx21-uart"; | ||
| 231 | reg = <0x53ff0000 0x4000>; | ||
| 232 | interrupts = <13>; | ||
| 233 | status = "disabled"; | ||
| 234 | }; | ||
| 235 | }; | ||
| 236 | |||
| 237 | aips@60000000 { /* AIPS2 */ | ||
| 238 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 239 | #address-cells = <1>; | ||
| 240 | #size-cells = <1>; | ||
| 241 | reg = <0x60000000 0x10000000>; | ||
| 242 | ranges; | ||
| 243 | |||
| 244 | uart4: uart@63f90000 { /* UART5 */ | ||
| 245 | compatible = "fsl,imx53-uart", "fsl,imx21-uart"; | ||
| 246 | reg = <0x63f90000 0x4000>; | ||
| 247 | interrupts = <86>; | ||
| 248 | status = "disabled"; | ||
| 249 | }; | ||
| 250 | |||
| 251 | ecspi@63fac000 { /* ECSPI2 */ | ||
| 252 | #address-cells = <1>; | ||
| 253 | #size-cells = <0>; | ||
| 254 | compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi"; | ||
| 255 | reg = <0x63fac000 0x4000>; | ||
| 256 | interrupts = <37>; | ||
| 257 | status = "disabled"; | ||
| 258 | }; | ||
| 259 | |||
| 260 | sdma@63fb0000 { | ||
| 261 | compatible = "fsl,imx53-sdma", "fsl,imx35-sdma"; | ||
| 262 | reg = <0x63fb0000 0x4000>; | ||
| 263 | interrupts = <6>; | ||
| 264 | }; | ||
| 265 | |||
| 266 | cspi@63fc0000 { | ||
| 267 | #address-cells = <1>; | ||
| 268 | #size-cells = <0>; | ||
| 269 | compatible = "fsl,imx53-cspi", "fsl,imx35-cspi"; | ||
| 270 | reg = <0x63fc0000 0x4000>; | ||
| 271 | interrupts = <38>; | ||
| 272 | status = "disabled"; | ||
| 273 | }; | ||
| 274 | |||
| 275 | i2c@63fc4000 { /* I2C2 */ | ||
| 276 | #address-cells = <1>; | ||
| 277 | #size-cells = <0>; | ||
| 278 | compatible = "fsl,imx53-i2c", "fsl,imx1-i2c"; | ||
| 279 | reg = <0x63fc4000 0x4000>; | ||
| 280 | interrupts = <63>; | ||
| 281 | status = "disabled"; | ||
| 282 | }; | ||
| 283 | |||
| 284 | i2c@63fc8000 { /* I2C1 */ | ||
| 285 | #address-cells = <1>; | ||
| 286 | #size-cells = <0>; | ||
| 287 | compatible = "fsl,imx53-i2c", "fsl,imx1-i2c"; | ||
| 288 | reg = <0x63fc8000 0x4000>; | ||
| 289 | interrupts = <62>; | ||
| 290 | status = "disabled"; | ||
| 291 | }; | ||
| 292 | |||
| 293 | fec@63fec000 { | ||
| 294 | compatible = "fsl,imx53-fec", "fsl,imx25-fec"; | ||
| 295 | reg = <0x63fec000 0x4000>; | ||
| 296 | interrupts = <87>; | ||
| 297 | status = "disabled"; | ||
| 298 | }; | ||
| 299 | }; | ||
| 300 | }; | ||
| 301 | }; | ||
| @@ -0,0 +1,62 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /dts-v1/; | ||
| 14 | /include/ "imx6q.dtsi" | ||
| 15 | |||
| 16 | / { | ||
| 17 | model = "Freescale i.MX6 Quad SABRE Automotive Board"; | ||
| 18 | compatible = "fsl,imx6q-sabreauto", "fsl,imx6q"; | ||
| 19 | |||
| 20 | chosen { | ||
| 21 | bootargs = "console=ttymxc0,115200 root=/dev/mmcblk3p3 rootwait"; | ||
| 22 | }; | ||
| 23 | |||
| 24 | memory { | ||
| 25 | reg = <0x10000000 0x80000000>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | soc { | ||
| 29 | aips-bus@02100000 { /* AIPS2 */ | ||
| 30 | enet@02188000 { | ||
| 31 | phy-mode = "rgmii"; | ||
| 32 | local-mac-address = [00 04 9F 01 1B 61]; | ||
| 33 | status = "okay"; | ||
| 34 | }; | ||
| 35 | |||
| 36 | usdhc@02198000 { /* uSDHC3 */ | ||
| 37 | cd-gpios = <&gpio5 11 0>; /* GPIO6_11 */ | ||
| 38 | wp-gpios = <&gpio5 14 0>; /* GPIO6_14 */ | ||
| 39 | status = "okay"; | ||
| 40 | }; | ||
| 41 | |||
| 42 | usdhc@0219c000 { /* uSDHC4 */ | ||
| 43 | fsl,card-wired; | ||
| 44 | status = "okay"; | ||
| 45 | }; | ||
| 46 | |||
| 47 | uart3: uart@021f0000 { /* UART4 */ | ||
| 48 | status = "okay"; | ||
| 49 | }; | ||
| 50 | }; | ||
| 51 | }; | ||
| 52 | |||
| 53 | leds { | ||
| 54 | compatible = "gpio-leds"; | ||
| 55 | |||
| 56 | debug-led { | ||
| 57 | label = "Heartbeat"; | ||
| 58 | gpios = <&gpio2 25 0>; /* GPIO3_25 */ | ||
| 59 | linux,default-trigger = "heartbeat"; | ||
| 60 | }; | ||
| 61 | }; | ||
| 62 | }; | ||
| @@ -0,0 +1,575 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
| 3 | * Copyright 2011 Linaro Ltd. | ||
| 4 | * | ||
| 5 | * The code contained herein is licensed under the GNU General Public | ||
| 6 | * License. You may obtain a copy of the GNU General Public License | ||
| 7 | * Version 2 or later at the following locations: | ||
| 8 | * | ||
| 9 | * http://www.opensource.org/licenses/gpl-license.html | ||
| 10 | * http://www.gnu.org/copyleft/gpl.html | ||
| 11 | */ | ||
| 12 | |||
| 13 | /include/ "skeleton.dtsi" | ||
| 14 | |||
| 15 | / { | ||
| 16 | aliases { | ||
| 17 | serial0 = &uart0; | ||
| 18 | serial1 = &uart1; | ||
| 19 | serial2 = &uart2; | ||
| 20 | serial3 = &uart3; | ||
| 21 | serial4 = &uart4; | ||
| 22 | }; | ||
| 23 | |||
| 24 | cpus { | ||
| 25 | #address-cells = <1>; | ||
| 26 | #size-cells = <0>; | ||
| 27 | |||
| 28 | cpu@0 { | ||
| 29 | compatible = "arm,cortex-a9"; | ||
| 30 | reg = <0>; | ||
| 31 | next-level-cache = <&L2>; | ||
| 32 | }; | ||
| 33 | |||
| 34 | cpu@1 { | ||
| 35 | compatible = "arm,cortex-a9"; | ||
| 36 | reg = <1>; | ||
| 37 | next-level-cache = <&L2>; | ||
| 38 | }; | ||
| 39 | |||
| 40 | cpu@2 { | ||
| 41 | compatible = "arm,cortex-a9"; | ||
| 42 | reg = <2>; | ||
| 43 | next-level-cache = <&L2>; | ||
| 44 | }; | ||
| 45 | |||
| 46 | cpu@3 { | ||
| 47 | compatible = "arm,cortex-a9"; | ||
| 48 | reg = <3>; | ||
| 49 | next-level-cache = <&L2>; | ||
| 50 | }; | ||
| 51 | }; | ||
| 52 | |||
| 53 | intc: interrupt-controller@00a01000 { | ||
| 54 | compatible = "arm,cortex-a9-gic"; | ||
| 55 | #interrupt-cells = <3>; | ||
| 56 | #address-cells = <1>; | ||
| 57 | #size-cells = <1>; | ||
| 58 | interrupt-controller; | ||
| 59 | reg = <0x00a01000 0x1000>, | ||
| 60 | <0x00a00100 0x100>; | ||
| 61 | }; | ||
| 62 | |||
| 63 | clocks { | ||
| 64 | #address-cells = <1>; | ||
| 65 | #size-cells = <0>; | ||
| 66 | |||
| 67 | ckil { | ||
| 68 | compatible = "fsl,imx-ckil", "fixed-clock"; | ||
| 69 | clock-frequency = <32768>; | ||
| 70 | }; | ||
| 71 | |||
| 72 | ckih1 { | ||
| 73 | compatible = "fsl,imx-ckih1", "fixed-clock"; | ||
| 74 | clock-frequency = <0>; | ||
| 75 | }; | ||
| 76 | |||
| 77 | osc { | ||
| 78 | compatible = "fsl,imx-osc", "fixed-clock"; | ||
| 79 | clock-frequency = <24000000>; | ||
| 80 | }; | ||
| 81 | }; | ||
| 82 | |||
| 83 | soc { | ||
| 84 | #address-cells = <1>; | ||
| 85 | #size-cells = <1>; | ||
| 86 | compatible = "simple-bus"; | ||
| 87 | interrupt-parent = <&intc>; | ||
| 88 | ranges; | ||
| 89 | |||
| 90 | timer@00a00600 { | ||
| 91 | compatible = "arm,smp-twd"; | ||
| 92 | reg = <0x00a00600 0x100>; | ||
| 93 | interrupts = <1 13 0xf4>; | ||
| 94 | }; | ||
| 95 | |||
| 96 | L2: l2-cache@00a02000 { | ||
| 97 | compatible = "arm,pl310-cache"; | ||
| 98 | reg = <0x00a02000 0x1000>; | ||
| 99 | interrupts = <0 92 0x04>; | ||
| 100 | cache-unified; | ||
| 101 | cache-level = <2>; | ||
| 102 | }; | ||
| 103 | |||
| 104 | aips-bus@02000000 { /* AIPS1 */ | ||
| 105 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 106 | #address-cells = <1>; | ||
| 107 | #size-cells = <1>; | ||
| 108 | reg = <0x02000000 0x100000>; | ||
| 109 | ranges; | ||
| 110 | |||
| 111 | spba-bus@02000000 { | ||
| 112 | compatible = "fsl,spba-bus", "simple-bus"; | ||
| 113 | #address-cells = <1>; | ||
| 114 | #size-cells = <1>; | ||
| 115 | reg = <0x02000000 0x40000>; | ||
| 116 | ranges; | ||
| 117 | |||
| 118 | spdif@02004000 { | ||
| 119 | reg = <0x02004000 0x4000>; | ||
| 120 | interrupts = <0 52 0x04>; | ||
| 121 | }; | ||
| 122 | |||
| 123 | ecspi@02008000 { /* eCSPI1 */ | ||
| 124 | #address-cells = <1>; | ||
| 125 | #size-cells = <0>; | ||
| 126 | compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; | ||
| 127 | reg = <0x02008000 0x4000>; | ||
| 128 | interrupts = <0 31 0x04>; | ||
| 129 | status = "disabled"; | ||
| 130 | }; | ||
| 131 | |||
| 132 | ecspi@0200c000 { /* eCSPI2 */ | ||
| 133 | #address-cells = <1>; | ||
| 134 | #size-cells = <0>; | ||
| 135 | compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; | ||
| 136 | reg = <0x0200c000 0x4000>; | ||
| 137 | interrupts = <0 32 0x04>; | ||
| 138 | status = "disabled"; | ||
| 139 | }; | ||
| 140 | |||
| 141 | ecspi@02010000 { /* eCSPI3 */ | ||
| 142 | #address-cells = <1>; | ||
| 143 | #size-cells = <0>; | ||
| 144 | compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; | ||
| 145 | reg = <0x02010000 0x4000>; | ||
| 146 | interrupts = <0 33 0x04>; | ||
| 147 | status = "disabled"; | ||
| 148 | }; | ||
| 149 | |||
| 150 | ecspi@02014000 { /* eCSPI4 */ | ||
| 151 | #address-cells = <1>; | ||
| 152 | #size-cells = <0>; | ||
| 153 | compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; | ||
| 154 | reg = <0x02014000 0x4000>; | ||
| 155 | interrupts = <0 34 0x04>; | ||
| 156 | status = "disabled"; | ||
| 157 | }; | ||
| 158 | |||
| 159 | ecspi@02018000 { /* eCSPI5 */ | ||
| 160 | #address-cells = <1>; | ||
| 161 | #size-cells = <0>; | ||
| 162 | compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; | ||
| 163 | reg = <0x02018000 0x4000>; | ||
| 164 | interrupts = <0 35 0x04>; | ||
| 165 | status = "disabled"; | ||
| 166 | }; | ||
| 167 | |||
| 168 | uart0: uart@02020000 { /* UART1 */ | ||
| 169 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 170 | reg = <0x02020000 0x4000>; | ||
| 171 | interrupts = <0 26 0x04>; | ||
| 172 | status = "disabled"; | ||
| 173 | }; | ||
| 174 | |||
| 175 | esai@02024000 { | ||
| 176 | reg = <0x02024000 0x4000>; | ||
| 177 | interrupts = <0 51 0x04>; | ||
| 178 | }; | ||
| 179 | |||
| 180 | ssi@02028000 { /* SSI1 */ | ||
| 181 | reg = <0x02028000 0x4000>; | ||
| 182 | interrupts = <0 46 0x04>; | ||
| 183 | }; | ||
| 184 | |||
| 185 | ssi@0202c000 { /* SSI2 */ | ||
| 186 | reg = <0x0202c000 0x4000>; | ||
| 187 | interrupts = <0 47 0x04>; | ||
| 188 | }; | ||
| 189 | |||
| 190 | ssi@02030000 { /* SSI3 */ | ||
| 191 | reg = <0x02030000 0x4000>; | ||
| 192 | interrupts = <0 48 0x04>; | ||
| 193 | }; | ||
| 194 | |||
| 195 | asrc@02034000 { | ||
| 196 | reg = <0x02034000 0x4000>; | ||
| 197 | interrupts = <0 50 0x04>; | ||
| 198 | }; | ||
| 199 | |||
| 200 | spba@0203c000 { | ||
| 201 | reg = <0x0203c000 0x4000>; | ||
| 202 | }; | ||
| 203 | }; | ||
| 204 | |||
| 205 | vpu@02040000 { | ||
| 206 | reg = <0x02040000 0x3c000>; | ||
| 207 | interrupts = <0 3 0x04 0 12 0x04>; | ||
| 208 | }; | ||
| 209 | |||
| 210 | aipstz@0207c000 { /* AIPSTZ1 */ | ||
| 211 | reg = <0x0207c000 0x4000>; | ||
| 212 | }; | ||
| 213 | |||
| 214 | pwm@02080000 { /* PWM1 */ | ||
| 215 | reg = <0x02080000 0x4000>; | ||
| 216 | interrupts = <0 83 0x04>; | ||
| 217 | }; | ||
| 218 | |||
| 219 | pwm@02084000 { /* PWM2 */ | ||
| 220 | reg = <0x02084000 0x4000>; | ||
| 221 | interrupts = <0 84 0x04>; | ||
| 222 | }; | ||
| 223 | |||
| 224 | pwm@02088000 { /* PWM3 */ | ||
| 225 | reg = <0x02088000 0x4000>; | ||
| 226 | interrupts = <0 85 0x04>; | ||
| 227 | }; | ||
| 228 | |||
| 229 | pwm@0208c000 { /* PWM4 */ | ||
| 230 | reg = <0x0208c000 0x4000>; | ||
| 231 | interrupts = <0 86 0x04>; | ||
| 232 | }; | ||
| 233 | |||
| 234 | flexcan@02090000 { /* CAN1 */ | ||
| 235 | reg = <0x02090000 0x4000>; | ||
| 236 | interrupts = <0 110 0x04>; | ||
| 237 | }; | ||
| 238 | |||
| 239 | flexcan@02094000 { /* CAN2 */ | ||
| 240 | reg = <0x02094000 0x4000>; | ||
| 241 | interrupts = <0 111 0x04>; | ||
| 242 | }; | ||
| 243 | |||
| 244 | gpt@02098000 { | ||
| 245 | compatible = "fsl,imx6q-gpt"; | ||
| 246 | reg = <0x02098000 0x4000>; | ||
| 247 | interrupts = <0 55 0x04>; | ||
| 248 | }; | ||
| 249 | |||
| 250 | gpio0: gpio@0209c000 { /* GPIO1 */ | ||
| 251 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 252 | reg = <0x0209c000 0x4000>; | ||
| 253 | interrupts = <0 66 0x04 0 67 0x04>; | ||
| 254 | gpio-controller; | ||
| 255 | #gpio-cells = <2>; | ||
| 256 | interrupt-controller; | ||
| 257 | #interrupt-cells = <1>; | ||
| 258 | }; | ||
| 259 | |||
| 260 | gpio1: gpio@020a0000 { /* GPIO2 */ | ||
| 261 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 262 | reg = <0x020a0000 0x4000>; | ||
| 263 | interrupts = <0 68 0x04 0 69 0x04>; | ||
| 264 | gpio-controller; | ||
| 265 | #gpio-cells = <2>; | ||
| 266 | interrupt-controller; | ||
| 267 | #interrupt-cells = <1>; | ||
| 268 | }; | ||
| 269 | |||
| 270 | gpio2: gpio@020a4000 { /* GPIO3 */ | ||
| 271 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 272 | reg = <0x020a4000 0x4000>; | ||
| 273 | interrupts = <0 70 0x04 0 71 0x04>; | ||
| 274 | gpio-controller; | ||
| 275 | #gpio-cells = <2>; | ||
| 276 | interrupt-controller; | ||
| 277 | #interrupt-cells = <1>; | ||
| 278 | }; | ||
| 279 | |||
| 280 | gpio3: gpio@020a8000 { /* GPIO4 */ | ||
| 281 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 282 | reg = <0x020a8000 0x4000>; | ||
| 283 | interrupts = <0 72 0x04 0 73 0x04>; | ||
| 284 | gpio-controller; | ||
| 285 | #gpio-cells = <2>; | ||
| 286 | interrupt-controller; | ||
| 287 | #interrupt-cells = <1>; | ||
| 288 | }; | ||
| 289 | |||
| 290 | gpio4: gpio@020ac000 { /* GPIO5 */ | ||
| 291 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 292 | reg = <0x020ac000 0x4000>; | ||
| 293 | interrupts = <0 74 0x04 0 75 0x04>; | ||
| 294 | gpio-controller; | ||
| 295 | #gpio-cells = <2>; | ||
| 296 | interrupt-controller; | ||
| 297 | #interrupt-cells = <1>; | ||
| 298 | }; | ||
| 299 | |||
| 300 | gpio5: gpio@020b0000 { /* GPIO6 */ | ||
| 301 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 302 | reg = <0x020b0000 0x4000>; | ||
| 303 | interrupts = <0 76 0x04 0 77 0x04>; | ||
| 304 | gpio-controller; | ||
| 305 | #gpio-cells = <2>; | ||
| 306 | interrupt-controller; | ||
| 307 | #interrupt-cells = <1>; | ||
| 308 | }; | ||
| 309 | |||
| 310 | gpio6: gpio@020b4000 { /* GPIO7 */ | ||
| 311 | compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; | ||
| 312 | reg = <0x020b4000 0x4000>; | ||
| 313 | interrupts = <0 78 0x04 0 79 0x04>; | ||
| 314 | gpio-controller; | ||
| 315 | #gpio-cells = <2>; | ||
| 316 | interrupt-controller; | ||
| 317 | #interrupt-cells = <1>; | ||
| 318 | }; | ||
| 319 | |||
| 320 | kpp@020b8000 { | ||
| 321 | reg = <0x020b8000 0x4000>; | ||
| 322 | interrupts = <0 82 0x04>; | ||
| 323 | }; | ||
| 324 | |||
| 325 | wdog@020bc000 { /* WDOG1 */ | ||
| 326 | compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; | ||
| 327 | reg = <0x020bc000 0x4000>; | ||
| 328 | interrupts = <0 80 0x04>; | ||
| 329 | status = "disabled"; | ||
| 330 | }; | ||
| 331 | |||
| 332 | wdog@020c0000 { /* WDOG2 */ | ||
| 333 | compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; | ||
| 334 | reg = <0x020c0000 0x4000>; | ||
| 335 | interrupts = <0 81 0x04>; | ||
| 336 | status = "disabled"; | ||
| 337 | }; | ||
| 338 | |||
| 339 | ccm@020c4000 { | ||
| 340 | compatible = "fsl,imx6q-ccm"; | ||
| 341 | reg = <0x020c4000 0x4000>; | ||
| 342 | interrupts = <0 87 0x04 0 88 0x04>; | ||
| 343 | }; | ||
| 344 | |||
| 345 | anatop@020c8000 { | ||
| 346 | compatible = "fsl,imx6q-anatop"; | ||
| 347 | reg = <0x020c8000 0x1000>; | ||
| 348 | interrupts = <0 49 0x04 0 54 0x04 0 127 0x04>; | ||
| 349 | }; | ||
| 350 | |||
| 351 | usbphy@020c9000 { /* USBPHY1 */ | ||
| 352 | reg = <0x020c9000 0x1000>; | ||
| 353 | interrupts = <0 44 0x04>; | ||
| 354 | }; | ||
| 355 | |||
| 356 | usbphy@020ca000 { /* USBPHY2 */ | ||
| 357 | reg = <0x020ca000 0x1000>; | ||
| 358 | interrupts = <0 45 0x04>; | ||
| 359 | }; | ||
| 360 | |||
| 361 | snvs@020cc000 { | ||
| 362 | reg = <0x020cc000 0x4000>; | ||
| 363 | interrupts = <0 19 0x04 0 20 0x04>; | ||
| 364 | }; | ||
| 365 | |||
| 366 | epit@020d0000 { /* EPIT1 */ | ||
| 367 | reg = <0x020d0000 0x4000>; | ||
| 368 | interrupts = <0 56 0x04>; | ||
| 369 | }; | ||
| 370 | |||
| 371 | epit@020d4000 { /* EPIT2 */ | ||
| 372 | reg = <0x020d4000 0x4000>; | ||
| 373 | interrupts = <0 57 0x04>; | ||
| 374 | }; | ||
| 375 | |||
| 376 | src@020d8000 { | ||
| 377 | compatible = "fsl,imx6q-src"; | ||
| 378 | reg = <0x020d8000 0x4000>; | ||
| 379 | interrupts = <0 91 0x04 0 96 0x04>; | ||
| 380 | }; | ||
| 381 | |||
| 382 | gpc@020dc000 { | ||
| 383 | compatible = "fsl,imx6q-gpc"; | ||
| 384 | reg = <0x020dc000 0x4000>; | ||
| 385 | interrupts = <0 89 0x04 0 90 0x04>; | ||
| 386 | }; | ||
| 387 | |||
| 388 | iomuxc@020e0000 { | ||
| 389 | reg = <0x020e0000 0x4000>; | ||
| 390 | }; | ||
| 391 | |||
| 392 | dcic@020e4000 { /* DCIC1 */ | ||
| 393 | reg = <0x020e4000 0x4000>; | ||
| 394 | interrupts = <0 124 0x04>; | ||
| 395 | }; | ||
| 396 | |||
| 397 | dcic@020e8000 { /* DCIC2 */ | ||
| 398 | reg = <0x020e8000 0x4000>; | ||
| 399 | interrupts = <0 125 0x04>; | ||
| 400 | }; | ||
| 401 | |||
| 402 | sdma@020ec000 { | ||
| 403 | compatible = "fsl,imx6q-sdma", "fsl,imx35-sdma"; | ||
| 404 | reg = <0x020ec000 0x4000>; | ||
| 405 | interrupts = <0 2 0x04>; | ||
| 406 | }; | ||
| 407 | }; | ||
| 408 | |||
| 409 | aips-bus@02100000 { /* AIPS2 */ | ||
| 410 | compatible = "fsl,aips-bus", "simple-bus"; | ||
| 411 | #address-cells = <1>; | ||
| 412 | #size-cells = <1>; | ||
| 413 | reg = <0x02100000 0x100000>; | ||
| 414 | ranges; | ||
| 415 | |||
| 416 | caam@02100000 { | ||
| 417 | reg = <0x02100000 0x40000>; | ||
| 418 | interrupts = <0 105 0x04 0 106 0x04>; | ||
| 419 | }; | ||
| 420 | |||
| 421 | aipstz@0217c000 { /* AIPSTZ2 */ | ||
| 422 | reg = <0x0217c000 0x4000>; | ||
| 423 | }; | ||
| 424 | |||
| 425 | enet@02188000 { | ||
| 426 | compatible = "fsl,imx6q-fec"; | ||
| 427 | reg = <0x02188000 0x4000>; | ||
| 428 | interrupts = <0 118 0x04 0 119 0x04>; | ||
| 429 | status = "disabled"; | ||
| 430 | }; | ||
| 431 | |||
| 432 | mlb@0218c000 { | ||
| 433 | reg = <0x0218c000 0x4000>; | ||
| 434 | interrupts = <0 53 0x04 0 117 0x04 0 126 0x04>; | ||
| 435 | }; | ||
| 436 | |||
| 437 | usdhc@02190000 { /* uSDHC1 */ | ||
| 438 | compatible = "fsl,imx6q-usdhc"; | ||
| 439 | reg = <0x02190000 0x4000>; | ||
| 440 | interrupts = <0 22 0x04>; | ||
| 441 | status = "disabled"; | ||
| 442 | }; | ||
| 443 | |||
| 444 | usdhc@02194000 { /* uSDHC2 */ | ||
| 445 | compatible = "fsl,imx6q-usdhc"; | ||
| 446 | reg = <0x02194000 0x4000>; | ||
| 447 | interrupts = <0 23 0x04>; | ||
| 448 | status = "disabled"; | ||
| 449 | }; | ||
| 450 | |||
| 451 | usdhc@02198000 { /* uSDHC3 */ | ||
| 452 | compatible = "fsl,imx6q-usdhc"; | ||
| 453 | reg = <0x02198000 0x4000>; | ||
| 454 | interrupts = <0 24 0x04>; | ||
| 455 | status = "disabled"; | ||
| 456 | }; | ||
| 457 | |||
| 458 | usdhc@0219c000 { /* uSDHC4 */ | ||
| 459 | compatible = "fsl,imx6q-usdhc"; | ||
| 460 | reg = <0x0219c000 0x4000>; | ||
| 461 | interrupts = <0 25 0x04>; | ||
| 462 | status = "disabled"; | ||
| 463 | }; | ||
| 464 | |||
| 465 | i2c@021a0000 { /* I2C1 */ | ||
| 466 | #address-cells = <1>; | ||
| 467 | #size-cells = <0>; | ||
| 468 | compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; | ||
| 469 | reg = <0x021a0000 0x4000>; | ||
| 470 | interrupts = <0 36 0x04>; | ||
| 471 | status = "disabled"; | ||
| 472 | }; | ||
| 473 | |||
| 474 | i2c@021a4000 { /* I2C2 */ | ||
| 475 | #address-cells = <1>; | ||
| 476 | #size-cells = <0>; | ||
| 477 | compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; | ||
| 478 | reg = <0x021a4000 0x4000>; | ||
| 479 | interrupts = <0 37 0x04>; | ||
| 480 | status = "disabled"; | ||
| 481 | }; | ||
| 482 | |||
| 483 | i2c@021a8000 { /* I2C3 */ | ||
| 484 | #address-cells = <1>; | ||
| 485 | #size-cells = <0>; | ||
| 486 | compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; | ||
| 487 | reg = <0x021a8000 0x4000>; | ||
| 488 | interrupts = <0 38 0x04>; | ||
| 489 | status = "disabled"; | ||
| 490 | }; | ||
| 491 | |||
| 492 | romcp@021ac000 { | ||
| 493 | reg = <0x021ac000 0x4000>; | ||
| 494 | }; | ||
| 495 | |||
| 496 | mmdc@021b0000 { /* MMDC0 */ | ||
| 497 | compatible = "fsl,imx6q-mmdc"; | ||
| 498 | reg = <0x021b0000 0x4000>; | ||
| 499 | }; | ||
| 500 | |||
| 501 | mmdc@021b4000 { /* MMDC1 */ | ||
| 502 | reg = <0x021b4000 0x4000>; | ||
| 503 | }; | ||
| 504 | |||
| 505 | weim@021b8000 { | ||
| 506 | reg = <0x021b8000 0x4000>; | ||
| 507 | interrupts = <0 14 0x04>; | ||
| 508 | }; | ||
| 509 | |||
| 510 | ocotp@021bc000 { | ||
| 511 | reg = <0x021bc000 0x4000>; | ||
| 512 | }; | ||
| 513 | |||
| 514 | ocotp@021c0000 { | ||
| 515 | reg = <0x021c0000 0x4000>; | ||
| 516 | interrupts = <0 21 0x04>; | ||
| 517 | }; | ||
| 518 | |||
| 519 | tzasc@021d0000 { /* TZASC1 */ | ||
| 520 | reg = <0x021d0000 0x4000>; | ||
| 521 | interrupts = <0 108 0x04>; | ||
| 522 | }; | ||
| 523 | |||
| 524 | tzasc@021d4000 { /* TZASC2 */ | ||
| 525 | reg = <0x021d4000 0x4000>; | ||
| 526 | interrupts = <0 109 0x04>; | ||
| 527 | }; | ||
| 528 | |||
| 529 | audmux@021d8000 { | ||
| 530 | reg = <0x021d8000 0x4000>; | ||
| 531 | }; | ||
| 532 | |||
| 533 | mipi@021dc000 { /* MIPI-CSI */ | ||
| 534 | reg = <0x021dc000 0x4000>; | ||
| 535 | }; | ||
| 536 | |||
| 537 | mipi@021e0000 { /* MIPI-DSI */ | ||
| 538 | reg = <0x021e0000 0x4000>; | ||
| 539 | }; | ||
| 540 | |||
| 541 | vdoa@021e4000 { | ||
| 542 | reg = <0x021e4000 0x4000>; | ||
| 543 | interrupts = <0 18 0x04>; | ||
| 544 | }; | ||
| 545 | |||
| 546 | uart1: uart@021e8000 { /* UART2 */ | ||
| 547 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 548 | reg = <0x021e8000 0x4000>; | ||
| 549 | interrupts = <0 27 0x04>; | ||
| 550 | status = "disabled"; | ||
| 551 | }; | ||
| 552 | |||
| 553 | uart2: uart@021ec000 { /* UART3 */ | ||
| 554 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 555 | reg = <0x021ec000 0x4000>; | ||
| 556 | interrupts = <0 28 0x04>; | ||
| 557 | status = "disabled"; | ||
| 558 | }; | ||
| 559 | |||
| 560 | uart3: uart@021f0000 { /* UART4 */ | ||
| 561 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 562 | reg = <0x021f0000 0x4000>; | ||
| 563 | interrupts = <0 29 0x04>; | ||
| 564 | status = "disabled"; | ||
| 565 | }; | ||
| 566 | |||
| 567 | uart4: uart@021f4000 { /* UART5 */ | ||
| 568 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 569 | reg = <0x021f4000 0x4000>; | ||
| 570 | interrupts = <0 30 0x04>; | ||
| 571 | status = "disabled"; | ||
| 572 | }; | ||
| 573 | }; | ||
| 574 | }; | ||
| 575 | }; | ||
| @@ -0,0 +1,24 @@ | |||
| 1 | /dts-v1/; | ||
| 2 | |||
| 3 | /include/ "skeleton.dtsi" | ||
| 4 | |||
| 5 | / { | ||
| 6 | model = "Qualcomm MSM8660 SURF"; | ||
| 7 | compatible = "qcom,msm8660-surf", "qcom,msm8660"; | ||
| 8 | interrupt-parent = <&intc>; | ||
| 9 | |||
| 10 | intc: interrupt-controller@02080000 { | ||
| 11 | compatible = "qcom,msm-8660-qgic"; | ||
| 12 | interrupt-controller; | ||
| 13 | #interrupt-cells = <1>; | ||
| 14 | reg = < 0x02080000 0x1000 >, | ||
| 15 | < 0x02081000 0x1000 >; | ||
| 16 | }; | ||
| 17 | |||
| 18 | serial@19c400000 { | ||
| 19 | compatible = "qcom,msm-hsuart", "qcom,msm-uart"; | ||
| 20 | reg = <0x19c40000 0x1000>, | ||
| 21 | <0x19c00000 0x1000>; | ||
| 22 | interrupts = <195>; | ||
| 23 | }; | ||
| 24 | }; | ||
| @@ -0,0 +1,29 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | */ | ||
| 8 | /dts-v1/; | ||
| 9 | |||
| 10 | /include/ "omap3.dtsi" | ||
| 11 | |||
| 12 | / { | ||
| 13 | model = "TI OMAP3 BeagleBoard"; | ||
| 14 | compatible = "ti,omap3-beagle", "ti,omap3"; | ||
| 15 | |||
| 16 | /* | ||
| 17 | * Since the initial device tree board file does not create any | ||
| 18 | * devices (MMC, network...), the only way to boot is to provide a | ||
| 19 | * ramdisk. | ||
| 20 | */ | ||
| 21 | chosen { | ||
| 22 | bootargs = "root=/dev/ram0 rw console=ttyO2,115200n8 initrd=0x81600000,20M ramdisk_size=20480 no_console_suspend debug earlyprintk"; | ||
| 23 | }; | ||
| 24 | |||
| 25 | memory { | ||
| 26 | device_type = "memory"; | ||
| 27 | reg = <0x80000000 0x20000000>; /* 512 MB */ | ||
| 28 | }; | ||
| 29 | }; | ||
| @@ -0,0 +1,63 @@ | |||
| 1 | /* | ||
| 2 | * Device Tree Source for OMAP3 SoC | ||
| 3 | * | ||
| 4 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | ||
| 5 | * | ||
| 6 | * This file is licensed under the terms of the GNU General Public License | ||
| 7 | * version 2. This program is licensed "as is" without any warranty of any | ||
| 8 | * kind, whether express or implied. | ||
| 9 | */ | ||
| 10 | |||
| 11 | /include/ "skeleton.dtsi" | ||
| 12 | |||
| 13 | / { | ||
| 14 | compatible = "ti,omap3430", "ti,omap3"; | ||
| 15 | |||
| 16 | cpus { | ||
| 17 | cpu@0 { | ||
| 18 | compatible = "arm,cortex-a8"; | ||
| 19 | }; | ||
| 20 | }; | ||
| 21 | |||
| 22 | /* | ||
| 23 | * The soc node represents the soc top level view. It is uses for IPs | ||
| 24 | * that are not memory mapped in the MPU view or for the MPU itself. | ||
| 25 | */ | ||
| 26 | soc { | ||
| 27 | compatible = "ti,omap-infra"; | ||
| 28 | mpu { | ||
| 29 | compatible = "ti,omap3-mpu"; | ||
| 30 | ti,hwmods = "mpu"; | ||
| 31 | }; | ||
| 32 | |||
| 33 | iva { | ||
| 34 | compatible = "ti,iva2.2"; | ||
| 35 | ti,hwmods = "iva"; | ||
| 36 | |||
| 37 | dsp { | ||
| 38 | compatible = "ti,omap3-c64"; | ||
| 39 | }; | ||
| 40 | }; | ||
| 41 | }; | ||
| 42 | |||
| 43 | /* | ||
| 44 | * XXX: Use a flat representation of the OMAP3 interconnect. | ||
| 45 | * The real OMAP interconnect network is quite complex. | ||
| 46 | * Since that will not bring real advantage to represent that in DT for | ||
| 47 | * the moment, just use a fake OCP bus entry to represent the whole bus | ||
| 48 | * hierarchy. | ||
| 49 | */ | ||
| 50 | ocp { | ||
| 51 | compatible = "simple-bus"; | ||
| 52 | #address-cells = <1>; | ||
| 53 | #size-cells = <1>; | ||
| 54 | ranges; | ||
| 55 | ti,hwmods = "l3_main"; | ||
| 56 | |||
| 57 | intc: interrupt-controller@1 { | ||
| 58 | compatible = "ti,omap3-intc"; | ||
| 59 | interrupt-controller; | ||
| 60 | #interrupt-cells = <1>; | ||
| 61 | }; | ||
| 62 | }; | ||
| 63 | }; | ||
| @@ -0,0 +1,29 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | */ | ||
| 8 | /dts-v1/; | ||
| 9 | |||
| 10 | /include/ "omap4.dtsi" | ||
| 11 | |||
| 12 | / { | ||
| 13 | model = "TI OMAP4 PandaBoard"; | ||
| 14 | compatible = "ti,omap4-panda", "ti,omap4430", "ti,omap4"; | ||
| 15 | |||
| 16 | /* | ||
| 17 | * Since the initial device tree board file does not create any | ||
| 18 | * devices (MMC, network...), the only way to boot is to provide a | ||
| 19 | * ramdisk. | ||
| 20 | */ | ||
| 21 | chosen { | ||
| 22 | bootargs = "root=/dev/ram0 rw console=ttyO2,115200n8 initrd=0x81600000,20M ramdisk_size=20480 no_console_suspend debug"; | ||
| 23 | }; | ||
| 24 | |||
| 25 | memory { | ||
| 26 | device_type = "memory"; | ||
| 27 | reg = <0x80000000 0x40000000>; /* 1 GB */ | ||
| 28 | }; | ||
| 29 | }; | ||
| @@ -0,0 +1,29 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | */ | ||
| 8 | /dts-v1/; | ||
| 9 | |||
| 10 | /include/ "omap4.dtsi" | ||
| 11 | |||
| 12 | / { | ||
| 13 | model = "TI OMAP4 SDP board"; | ||
| 14 | compatible = "ti,omap4-sdp", "ti,omap4430", "ti,omap4"; | ||
| 15 | |||
| 16 | /* | ||
| 17 | * Since the initial device tree board file does not create any | ||
| 18 | * devices (MMC, network...), the only way to boot is to provide a | ||
| 19 | * ramdisk. | ||
| 20 | */ | ||
| 21 | chosen { | ||
| 22 | bootargs = "root=/dev/ram0 rw console=ttyO2,115200n8 initrd=0x81600000,20M ramdisk_size=20480 no_console_suspend debug"; | ||
| 23 | }; | ||
| 24 | |||
| 25 | memory { | ||
| 26 | device_type = "memory"; | ||
| 27 | reg = <0x80000000 0x40000000>; /* 1 GB */ | ||
| 28 | }; | ||
| 29 | }; | ||
| @@ -0,0 +1,103 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | */ | ||
| 8 | |||
| 9 | /* | ||
| 10 | * Carveout for multimedia usecases | ||
| 11 | * It should be the last 48MB of the first 512MB memory part | ||
| 12 | * In theory, it should not even exist. That zone should be reserved | ||
| 13 | * dynamically during the .reserve callback. | ||
| 14 | */ | ||
| 15 | /memreserve/ 0x9d000000 0x03000000; | ||
| 16 | |||
| 17 | /include/ "skeleton.dtsi" | ||
| 18 | |||
| 19 | / { | ||
| 20 | compatible = "ti,omap4430", "ti,omap4"; | ||
| 21 | interrupt-parent = <&gic>; | ||
| 22 | |||
| 23 | aliases { | ||
| 24 | }; | ||
| 25 | |||
| 26 | cpus { | ||
| 27 | cpu@0 { | ||
| 28 | compatible = "arm,cortex-a9"; | ||
| 29 | }; | ||
| 30 | cpu@1 { | ||
| 31 | compatible = "arm,cortex-a9"; | ||
| 32 | }; | ||
| 33 | }; | ||
| 34 | |||
| 35 | /* | ||
| 36 | * The soc node represents the soc top level view. It is uses for IPs | ||
| 37 | * that are not memory mapped in the MPU view or for the MPU itself. | ||
| 38 | */ | ||
| 39 | soc { | ||
| 40 | compatible = "ti,omap-infra"; | ||
| 41 | mpu { | ||
| 42 | compatible = "ti,omap4-mpu"; | ||
| 43 | ti,hwmods = "mpu"; | ||
| 44 | }; | ||
| 45 | |||
| 46 | dsp { | ||
| 47 | compatible = "ti,omap3-c64"; | ||
| 48 | ti,hwmods = "dsp"; | ||
| 49 | }; | ||
| 50 | |||
| 51 | iva { | ||
| 52 | compatible = "ti,ivahd"; | ||
| 53 | ti,hwmods = "iva"; | ||
| 54 | }; | ||
| 55 | }; | ||
| 56 | |||
| 57 | /* | ||
| 58 | * XXX: Use a flat representation of the OMAP4 interconnect. | ||
| 59 | * The real OMAP interconnect network is quite complex. | ||
| 60 | * | ||
| 61 | * MPU -+-- MPU_PRIVATE - GIC, L2 | ||
| 62 | * | | ||
| 63 | * +----------------+----------+ | ||
| 64 | * | | | | ||
| 65 | * + +- EMIF - DDR | | ||
| 66 | * | | | | ||
| 67 | * | + +--------+ | ||
| 68 | * | | | | ||
| 69 | * | +- L4_ABE - AESS, MCBSP, TIMERs... | ||
| 70 | * | | | ||
| 71 | * +- L3_MAIN --+- L4_CORE - IPs... | ||
| 72 | * | | ||
| 73 | * +- L4_PER - IPs... | ||
| 74 | * | | ||
| 75 | * +- L4_CFG -+- L4_WKUP - IPs... | ||
| 76 | * | | | ||
| 77 | * | +- IPs... | ||
| 78 | * +- IPU ----+ | ||
| 79 | * | | | ||
| 80 | * +- DSP ----+ | ||
| 81 | * | | | ||
| 82 | * +- DSS ----+ | ||
| 83 | * | ||
| 84 | * Since that will not bring real advantage to represent that in DT for | ||
| 85 | * the moment, just use a fake OCP bus entry to represent the whole bus | ||
| 86 | * hierarchy. | ||
| 87 | */ | ||
| 88 | ocp { | ||
| 89 | compatible = "ti,omap4-l3-noc", "simple-bus"; | ||
| 90 | #address-cells = <1>; | ||
| 91 | #size-cells = <1>; | ||
| 92 | ranges; | ||
| 93 | ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; | ||
| 94 | |||
| 95 | gic: interrupt-controller@48241000 { | ||
| 96 | compatible = "arm,cortex-a9-gic"; | ||
| 97 | interrupt-controller; | ||
| 98 | #interrupt-cells = <1>; | ||
| 99 | reg = <0x48241000 0x1000>, | ||
| 100 | <0x48240100 0x0100>; | ||
| 101 | }; | ||
| 102 | }; | ||
| 103 | }; | ||
| @@ -0,0 +1,249 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Picochip, Jamie Iles | ||
| 3 | * | ||
| 4 | * This software is licensed under the terms of the GNU General Public | ||
| 5 | * License version 2, as published by the Free Software Foundation, and | ||
| 6 | * may be copied, distributed, and modified under those terms. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope that it will be useful, | ||
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 11 | * GNU General Public License for more details. | ||
| 12 | */ | ||
| 13 | /include/ "skeleton.dtsi" | ||
| 14 | / { | ||
| 15 | model = "Picochip picoXcell PC3X2"; | ||
| 16 | compatible = "picochip,pc3x2"; | ||
| 17 | #address-cells = <1>; | ||
| 18 | #size-cells = <1>; | ||
| 19 | |||
| 20 | cpus { | ||
| 21 | #address-cells = <1>; | ||
| 22 | #size-cells = <0>; | ||
| 23 | |||
| 24 | cpu@0 { | ||
| 25 | compatible = "arm,1176jz-s"; | ||
| 26 | clock-frequency = <400000000>; | ||
| 27 | reg = <0>; | ||
| 28 | d-cache-line-size = <32>; | ||
| 29 | d-cache-size = <32768>; | ||
| 30 | i-cache-line-size = <32>; | ||
| 31 | i-cache-size = <32768>; | ||
| 32 | }; | ||
| 33 | }; | ||
| 34 | |||
| 35 | clocks { | ||
| 36 | #address-cells = <1>; | ||
| 37 | #size-cells = <1>; | ||
| 38 | ranges; | ||
| 39 | |||
| 40 | pclk: clock@0 { | ||
| 41 | compatible = "fixed-clock"; | ||
| 42 | clock-outputs = "bus", "pclk"; | ||
| 43 | clock-frequency = <200000000>; | ||
| 44 | ref-clock = <&ref_clk>, "ref"; | ||
| 45 | }; | ||
| 46 | }; | ||
| 47 | |||
| 48 | paxi { | ||
| 49 | compatible = "simple-bus"; | ||
| 50 | #address-cells = <1>; | ||
| 51 | #size-cells = <1>; | ||
| 52 | ranges = <0 0x80000000 0x400000>; | ||
| 53 | |||
| 54 | emac: gem@30000 { | ||
| 55 | compatible = "cadence,gem"; | ||
| 56 | reg = <0x30000 0x10000>; | ||
| 57 | interrupts = <31>; | ||
| 58 | }; | ||
| 59 | |||
| 60 | dmac1: dmac@40000 { | ||
| 61 | compatible = "snps,dw-dmac"; | ||
| 62 | reg = <0x40000 0x10000>; | ||
| 63 | interrupts = <25>; | ||
| 64 | }; | ||
| 65 | |||
| 66 | dmac2: dmac@50000 { | ||
| 67 | compatible = "snps,dw-dmac"; | ||
| 68 | reg = <0x50000 0x10000>; | ||
| 69 | interrupts = <26>; | ||
| 70 | }; | ||
| 71 | |||
| 72 | vic0: interrupt-controller@60000 { | ||
| 73 | compatible = "arm,pl192-vic"; | ||
| 74 | interrupt-controller; | ||
| 75 | reg = <0x60000 0x1000>; | ||
| 76 | #interrupt-cells = <1>; | ||
| 77 | }; | ||
| 78 | |||
| 79 | vic1: interrupt-controller@64000 { | ||
| 80 | compatible = "arm,pl192-vic"; | ||
| 81 | interrupt-controller; | ||
| 82 | reg = <0x64000 0x1000>; | ||
| 83 | #interrupt-cells = <1>; | ||
| 84 | }; | ||
| 85 | |||
| 86 | fuse: picoxcell-fuse@80000 { | ||
| 87 | compatible = "picoxcell,fuse-pc3x2"; | ||
| 88 | reg = <0x80000 0x10000>; | ||
| 89 | }; | ||
| 90 | |||
| 91 | ssi: picoxcell-spi@90000 { | ||
| 92 | compatible = "picoxcell,spi"; | ||
| 93 | reg = <0x90000 0x10000>; | ||
| 94 | interrupt-parent = <&vic0>; | ||
| 95 | interrupts = <10>; | ||
| 96 | }; | ||
| 97 | |||
| 98 | ipsec: spacc@100000 { | ||
| 99 | compatible = "picochip,spacc-ipsec"; | ||
| 100 | reg = <0x100000 0x10000>; | ||
| 101 | interrupt-parent = <&vic0>; | ||
| 102 | interrupts = <24>; | ||
| 103 | ref-clock = <&pclk>, "ref"; | ||
| 104 | }; | ||
| 105 | |||
| 106 | srtp: spacc@140000 { | ||
| 107 | compatible = "picochip,spacc-srtp"; | ||
| 108 | reg = <0x140000 0x10000>; | ||
| 109 | interrupt-parent = <&vic0>; | ||
| 110 | interrupts = <23>; | ||
| 111 | }; | ||
| 112 | |||
| 113 | l2_engine: spacc@180000 { | ||
| 114 | compatible = "picochip,spacc-l2"; | ||
| 115 | reg = <0x180000 0x10000>; | ||
| 116 | interrupt-parent = <&vic0>; | ||
| 117 | interrupts = <22>; | ||
| 118 | ref-clock = <&pclk>, "ref"; | ||
| 119 | }; | ||
| 120 | |||
| 121 | apb { | ||
| 122 | compatible = "simple-bus"; | ||
| 123 | #address-cells = <1>; | ||
| 124 | #size-cells = <1>; | ||
| 125 | ranges = <0 0x200000 0x80000>; | ||
| 126 | |||
| 127 | rtc0: rtc@00000 { | ||
| 128 | compatible = "picochip,pc3x2-rtc"; | ||
| 129 | clock-freq = <200000000>; | ||
| 130 | reg = <0x00000 0xf>; | ||
| 131 | interrupt-parent = <&vic1>; | ||
| 132 | interrupts = <8>; | ||
| 133 | }; | ||
| 134 | |||
| 135 | timer0: timer@10000 { | ||
| 136 | compatible = "picochip,pc3x2-timer"; | ||
| 137 | interrupt-parent = <&vic0>; | ||
| 138 | interrupts = <4>; | ||
| 139 | clock-freq = <200000000>; | ||
| 140 | reg = <0x10000 0x14>; | ||
| 141 | }; | ||
| 142 | |||
| 143 | timer1: timer@10014 { | ||
| 144 | compatible = "picochip,pc3x2-timer"; | ||
| 145 | interrupt-parent = <&vic0>; | ||
| 146 | interrupts = <5>; | ||
| 147 | clock-freq = <200000000>; | ||
| 148 | reg = <0x10014 0x14>; | ||
| 149 | }; | ||
| 150 | |||
| 151 | timer2: timer@10028 { | ||
| 152 | compatible = "picochip,pc3x2-timer"; | ||
| 153 | interrupt-parent = <&vic0>; | ||
| 154 | interrupts = <6>; | ||
| 155 | clock-freq = <200000000>; | ||
| 156 | reg = <0x10028 0x14>; | ||
| 157 | }; | ||
| 158 | |||
| 159 | timer3: timer@1003c { | ||
| 160 | compatible = "picochip,pc3x2-timer"; | ||
| 161 | interrupt-parent = <&vic0>; | ||
| 162 | interrupts = <7>; | ||
| 163 | clock-freq = <200000000>; | ||
| 164 | reg = <0x1003c 0x14>; | ||
| 165 | }; | ||
| 166 | |||
| 167 | gpio: gpio@20000 { | ||
| 168 | compatible = "snps,dw-apb-gpio"; | ||
| 169 | reg = <0x20000 0x1000>; | ||
| 170 | #address-cells = <1>; | ||
| 171 | #size-cells = <0>; | ||
| 172 | reg-io-width = <4>; | ||
| 173 | |||
| 174 | banka: gpio-controller@0 { | ||
| 175 | compatible = "snps,dw-apb-gpio-bank"; | ||
| 176 | gpio-controller; | ||
| 177 | #gpio-cells = <2>; | ||
| 178 | gpio-generic,nr-gpio = <8>; | ||
| 179 | |||
| 180 | regoffset-dat = <0x50>; | ||
| 181 | regoffset-set = <0x00>; | ||
| 182 | regoffset-dirout = <0x04>; | ||
| 183 | }; | ||
| 184 | |||
| 185 | bankb: gpio-controller@1 { | ||
| 186 | compatible = "snps,dw-apb-gpio-bank"; | ||
| 187 | gpio-controller; | ||
| 188 | #gpio-cells = <2>; | ||
| 189 | gpio-generic,nr-gpio = <8>; | ||
| 190 | |||
| 191 | regoffset-dat = <0x54>; | ||
| 192 | regoffset-set = <0x0c>; | ||
| 193 | regoffset-dirout = <0x10>; | ||
| 194 | }; | ||
| 195 | }; | ||
| 196 | |||
| 197 | uart0: uart@30000 { | ||
| 198 | compatible = "snps,dw-apb-uart"; | ||
| 199 | reg = <0x30000 0x1000>; | ||
| 200 | interrupt-parent = <&vic1>; | ||
| 201 | interrupts = <10>; | ||
| 202 | clock-frequency = <3686400>; | ||
| 203 | reg-shift = <2>; | ||
| 204 | reg-io-width = <4>; | ||
| 205 | }; | ||
| 206 | |||
| 207 | uart1: uart@40000 { | ||
| 208 | compatible = "snps,dw-apb-uart"; | ||
| 209 | reg = <0x40000 0x1000>; | ||
| 210 | interrupt-parent = <&vic1>; | ||
| 211 | interrupts = <9>; | ||
| 212 | clock-frequency = <3686400>; | ||
| 213 | reg-shift = <2>; | ||
| 214 | reg-io-width = <4>; | ||
| 215 | }; | ||
| 216 | |||
| 217 | wdog: watchdog@50000 { | ||
| 218 | compatible = "snps,dw-apb-wdg"; | ||
| 219 | reg = <0x50000 0x10000>; | ||
| 220 | interrupt-parent = <&vic0>; | ||
| 221 | interrupts = <11>; | ||
| 222 | bus-clock = <&pclk>, "bus"; | ||
| 223 | }; | ||
| 224 | }; | ||
| 225 | }; | ||
| 226 | |||
| 227 | rwid-axi { | ||
| 228 | #address-cells = <1>; | ||
| 229 | #size-cells = <1>; | ||
| 230 | compatible = "simple-bus"; | ||
| 231 | ranges; | ||
| 232 | |||
| 233 | ebi@50000000 { | ||
| 234 | compatible = "simple-bus"; | ||
| 235 | #address-cells = <2>; | ||
| 236 | #size-cells = <1>; | ||
| 237 | ranges = <0 0 0x40000000 0x08000000 | ||
| 238 | 1 0 0x48000000 0x08000000 | ||
| 239 | 2 0 0x50000000 0x08000000 | ||
| 240 | 3 0 0x58000000 0x08000000>; | ||
| 241 | }; | ||
| 242 | |||
| 243 | axi2pico@c0000000 { | ||
| 244 | compatible = "picochip,axi2pico-pc3x2"; | ||
| 245 | reg = <0xc0000000 0x10000>; | ||
| 246 | interrupts = <13 14 15 16 17 18 19 20 21>; | ||
| 247 | }; | ||
| 248 | }; | ||
| 249 | }; | ||
| @@ -0,0 +1,365 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Picochip, Jamie Iles | ||
| 3 | * | ||
| 4 | * This software is licensed under the terms of the GNU General Public | ||
| 5 | * License version 2, as published by the Free Software Foundation, and | ||
| 6 | * may be copied, distributed, and modified under those terms. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope that it will be useful, | ||
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 11 | * GNU General Public License for more details. | ||
| 12 | */ | ||
| 13 | /include/ "skeleton.dtsi" | ||
| 14 | / { | ||
| 15 | model = "Picochip picoXcell PC3X3"; | ||
| 16 | compatible = "picochip,pc3x3"; | ||
| 17 | #address-cells = <1>; | ||
| 18 | #size-cells = <1>; | ||
| 19 | |||
| 20 | cpus { | ||
| 21 | #address-cells = <1>; | ||
| 22 | #size-cells = <0>; | ||
| 23 | |||
| 24 | cpu@0 { | ||
| 25 | compatible = "arm,1176jz-s"; | ||
| 26 | cpu-clock = <&arm_clk>, "cpu"; | ||
| 27 | reg = <0>; | ||
| 28 | d-cache-line-size = <32>; | ||
| 29 | d-cache-size = <32768>; | ||
| 30 | i-cache-line-size = <32>; | ||
| 31 | i-cache-size = <32768>; | ||
| 32 | }; | ||
| 33 | }; | ||
| 34 | |||
| 35 | clocks { | ||
| 36 | #address-cells = <1>; | ||
| 37 | #size-cells = <1>; | ||
| 38 | ranges; | ||
| 39 | |||
| 40 | clkgate: clkgate@800a0048 { | ||
| 41 | #address-cells = <1>; | ||
| 42 | #size-cells = <0>; | ||
| 43 | reg = <0x800a0048 4>; | ||
| 44 | compatible = "picochip,pc3x3-clk-gate"; | ||
| 45 | |||
| 46 | tzprot_clk: clock@0 { | ||
| 47 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 48 | clock-outputs = "bus"; | ||
| 49 | picochip,clk-disable-bit = <0>; | ||
| 50 | clock-frequency = <200000000>; | ||
| 51 | ref-clock = <&ref_clk>, "ref"; | ||
| 52 | }; | ||
| 53 | |||
| 54 | spi_clk: clock@1 { | ||
| 55 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 56 | clock-outputs = "bus"; | ||
| 57 | picochip,clk-disable-bit = <1>; | ||
| 58 | clock-frequency = <200000000>; | ||
| 59 | ref-clock = <&ref_clk>, "ref"; | ||
| 60 | }; | ||
| 61 | |||
| 62 | dmac0_clk: clock@2 { | ||
| 63 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 64 | clock-outputs = "bus"; | ||
| 65 | picochip,clk-disable-bit = <2>; | ||
| 66 | clock-frequency = <200000000>; | ||
| 67 | ref-clock = <&ref_clk>, "ref"; | ||
| 68 | }; | ||
| 69 | |||
| 70 | dmac1_clk: clock@3 { | ||
| 71 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 72 | clock-outputs = "bus"; | ||
| 73 | picochip,clk-disable-bit = <3>; | ||
| 74 | clock-frequency = <200000000>; | ||
| 75 | ref-clock = <&ref_clk>, "ref"; | ||
| 76 | }; | ||
| 77 | |||
| 78 | ebi_clk: clock@4 { | ||
| 79 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 80 | clock-outputs = "bus"; | ||
| 81 | picochip,clk-disable-bit = <4>; | ||
| 82 | clock-frequency = <200000000>; | ||
| 83 | ref-clock = <&ref_clk>, "ref"; | ||
| 84 | }; | ||
| 85 | |||
| 86 | ipsec_clk: clock@5 { | ||
| 87 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 88 | clock-outputs = "bus"; | ||
| 89 | picochip,clk-disable-bit = <5>; | ||
| 90 | clock-frequency = <200000000>; | ||
| 91 | ref-clock = <&ref_clk>, "ref"; | ||
| 92 | }; | ||
| 93 | |||
| 94 | l2_clk: clock@6 { | ||
| 95 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 96 | clock-outputs = "bus"; | ||
| 97 | picochip,clk-disable-bit = <6>; | ||
| 98 | clock-frequency = <200000000>; | ||
| 99 | ref-clock = <&ref_clk>, "ref"; | ||
| 100 | }; | ||
| 101 | |||
| 102 | trng_clk: clock@7 { | ||
| 103 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 104 | clock-outputs = "bus"; | ||
| 105 | picochip,clk-disable-bit = <7>; | ||
| 106 | clock-frequency = <200000000>; | ||
| 107 | ref-clock = <&ref_clk>, "ref"; | ||
| 108 | }; | ||
| 109 | |||
| 110 | fuse_clk: clock@8 { | ||
| 111 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 112 | clock-outputs = "bus"; | ||
| 113 | picochip,clk-disable-bit = <8>; | ||
| 114 | clock-frequency = <200000000>; | ||
| 115 | ref-clock = <&ref_clk>, "ref"; | ||
| 116 | }; | ||
| 117 | |||
| 118 | otp_clk: clock@9 { | ||
| 119 | compatible = "picochip,pc3x3-gated-clk"; | ||
| 120 | clock-outputs = "bus"; | ||
| 121 | picochip,clk-disable-bit = <9>; | ||
| 122 | clock-frequency = <200000000>; | ||
| 123 | ref-clock = <&ref_clk>, "ref"; | ||
| 124 | }; | ||
| 125 | }; | ||
| 126 | |||
| 127 | arm_clk: clock@11 { | ||
| 128 | compatible = "picochip,pc3x3-pll"; | ||
| 129 | reg = <0x800a0050 0x8>; | ||
| 130 | picochip,min-freq = <140000000>; | ||
| 131 | picochip,max-freq = <700000000>; | ||
| 132 | ref-clock = <&ref_clk>, "ref"; | ||
| 133 | clock-outputs = "cpu"; | ||
| 134 | }; | ||
| 135 | |||
| 136 | pclk: clock@12 { | ||
| 137 | compatible = "fixed-clock"; | ||
| 138 | clock-outputs = "bus", "pclk"; | ||
| 139 | clock-frequency = <200000000>; | ||
| 140 | ref-clock = <&ref_clk>, "ref"; | ||
| 141 | }; | ||
| 142 | }; | ||
| 143 | |||
| 144 | paxi { | ||
| 145 | compatible = "simple-bus"; | ||
| 146 | #address-cells = <1>; | ||
| 147 | #size-cells = <1>; | ||
| 148 | ranges = <0 0x80000000 0x400000>; | ||
| 149 | |||
| 150 | emac: gem@30000 { | ||
| 151 | compatible = "cadence,gem"; | ||
| 152 | reg = <0x30000 0x10000>; | ||
| 153 | interrupt-parent = <&vic0>; | ||
| 154 | interrupts = <31>; | ||
| 155 | }; | ||
| 156 | |||
| 157 | dmac1: dmac@40000 { | ||
| 158 | compatible = "snps,dw-dmac"; | ||
| 159 | reg = <0x40000 0x10000>; | ||
| 160 | interrupt-parent = <&vic0>; | ||
| 161 | interrupts = <25>; | ||
| 162 | }; | ||
| 163 | |||
| 164 | dmac2: dmac@50000 { | ||
| 165 | compatible = "snps,dw-dmac"; | ||
| 166 | reg = <0x50000 0x10000>; | ||
| 167 | interrupt-parent = <&vic0>; | ||
| 168 | interrupts = <26>; | ||
| 169 | }; | ||
| 170 | |||
| 171 | vic0: interrupt-controller@60000 { | ||
| 172 | compatible = "arm,pl192-vic"; | ||
| 173 | interrupt-controller; | ||
| 174 | reg = <0x60000 0x1000>; | ||
| 175 | #interrupt-cells = <1>; | ||
| 176 | }; | ||
| 177 | |||
| 178 | vic1: interrupt-controller@64000 { | ||
| 179 | compatible = "arm,pl192-vic"; | ||
| 180 | interrupt-controller; | ||
| 181 | reg = <0x64000 0x1000>; | ||
| 182 | #interrupt-cells = <1>; | ||
| 183 | }; | ||
| 184 | |||
| 185 | fuse: picoxcell-fuse@80000 { | ||
| 186 | compatible = "picoxcell,fuse-pc3x3"; | ||
| 187 | reg = <0x80000 0x10000>; | ||
| 188 | }; | ||
| 189 | |||
| 190 | ssi: picoxcell-spi@90000 { | ||
| 191 | compatible = "picoxcell,spi"; | ||
| 192 | reg = <0x90000 0x10000>; | ||
| 193 | interrupt-parent = <&vic0>; | ||
| 194 | interrupts = <10>; | ||
| 195 | }; | ||
| 196 | |||
| 197 | ipsec: spacc@100000 { | ||
| 198 | compatible = "picochip,spacc-ipsec"; | ||
| 199 | reg = <0x100000 0x10000>; | ||
| 200 | interrupt-parent = <&vic0>; | ||
| 201 | interrupts = <24>; | ||
| 202 | ref-clock = <&ipsec_clk>, "ref"; | ||
| 203 | }; | ||
| 204 | |||
| 205 | srtp: spacc@140000 { | ||
| 206 | compatible = "picochip,spacc-srtp"; | ||
| 207 | reg = <0x140000 0x10000>; | ||
| 208 | interrupt-parent = <&vic0>; | ||
| 209 | interrupts = <23>; | ||
| 210 | }; | ||
| 211 | |||
| 212 | l2_engine: spacc@180000 { | ||
| 213 | compatible = "picochip,spacc-l2"; | ||
| 214 | reg = <0x180000 0x10000>; | ||
| 215 | interrupt-parent = <&vic0>; | ||
| 216 | interrupts = <22>; | ||
| 217 | ref-clock = <&l2_clk>, "ref"; | ||
| 218 | }; | ||
| 219 | |||
| 220 | apb { | ||
| 221 | compatible = "simple-bus"; | ||
| 222 | #address-cells = <1>; | ||
| 223 | #size-cells = <1>; | ||
| 224 | ranges = <0 0x200000 0x80000>; | ||
| 225 | |||
| 226 | rtc0: rtc@00000 { | ||
| 227 | compatible = "picochip,pc3x2-rtc"; | ||
| 228 | clock-freq = <200000000>; | ||
| 229 | reg = <0x00000 0xf>; | ||
| 230 | interrupt-parent = <&vic0>; | ||
| 231 | interrupts = <8>; | ||
| 232 | }; | ||
| 233 | |||
| 234 | timer0: timer@10000 { | ||
| 235 | compatible = "picochip,pc3x2-timer"; | ||
| 236 | interrupt-parent = <&vic0>; | ||
| 237 | interrupts = <4>; | ||
| 238 | clock-freq = <200000000>; | ||
| 239 | reg = <0x10000 0x14>; | ||
| 240 | }; | ||
| 241 | |||
| 242 | timer1: timer@10014 { | ||
| 243 | compatible = "picochip,pc3x2-timer"; | ||
| 244 | interrupt-parent = <&vic0>; | ||
| 245 | interrupts = <5>; | ||
| 246 | clock-freq = <200000000>; | ||
| 247 | reg = <0x10014 0x14>; | ||
| 248 | }; | ||
| 249 | |||
| 250 | gpio: gpio@20000 { | ||
| 251 | compatible = "snps,dw-apb-gpio"; | ||
| 252 | reg = <0x20000 0x1000>; | ||
| 253 | #address-cells = <1>; | ||
| 254 | #size-cells = <0>; | ||
| 255 | reg-io-width = <4>; | ||
| 256 | |||
| 257 | banka: gpio-controller@0 { | ||
| 258 | compatible = "snps,dw-apb-gpio-bank"; | ||
| 259 | gpio-controller; | ||
| 260 | #gpio-cells = <2>; | ||
| 261 | gpio-generic,nr-gpio = <8>; | ||
| 262 | |||
| 263 | regoffset-dat = <0x50>; | ||
| 264 | regoffset-set = <0x00>; | ||
| 265 | regoffset-dirout = <0x04>; | ||
| 266 | }; | ||
| 267 | |||
| 268 | bankb: gpio-controller@1 { | ||
| 269 | compatible = "snps,dw-apb-gpio-bank"; | ||
| 270 | gpio-controller; | ||
| 271 | #gpio-cells = <2>; | ||
| 272 | gpio-generic,nr-gpio = <16>; | ||
| 273 | |||
| 274 | regoffset-dat = <0x54>; | ||
| 275 | regoffset-set = <0x0c>; | ||
| 276 | regoffset-dirout = <0x10>; | ||
| 277 | }; | ||
| 278 | |||
| 279 | bankd: gpio-controller@2 { | ||
| 280 | compatible = "snps,dw-apb-gpio-bank"; | ||
| 281 | gpio-controller; | ||
| 282 | #gpio-cells = <2>; | ||
| 283 | gpio-generic,nr-gpio = <30>; | ||
| 284 | |||
| 285 | regoffset-dat = <0x5c>; | ||
| 286 | regoffset-set = <0x24>; | ||
| 287 | regoffset-dirout = <0x28>; | ||
| 288 | }; | ||
| 289 | }; | ||
| 290 | |||
| 291 | uart0: uart@30000 { | ||
| 292 | compatible = "snps,dw-apb-uart"; | ||
| 293 | reg = <0x30000 0x1000>; | ||
| 294 | interrupt-parent = <&vic1>; | ||
| 295 | interrupts = <10>; | ||
| 296 | clock-frequency = <3686400>; | ||
| 297 | reg-shift = <2>; | ||
| 298 | reg-io-width = <4>; | ||
| 299 | }; | ||
| 300 | |||
| 301 | uart1: uart@40000 { | ||
| 302 | compatible = "snps,dw-apb-uart"; | ||
| 303 | reg = <0x40000 0x1000>; | ||
| 304 | interrupt-parent = <&vic1>; | ||
| 305 | interrupts = <9>; | ||
| 306 | clock-frequency = <3686400>; | ||
| 307 | reg-shift = <2>; | ||
| 308 | reg-io-width = <4>; | ||
| 309 | }; | ||
| 310 | |||
| 311 | wdog: watchdog@50000 { | ||
| 312 | compatible = "snps,dw-apb-wdg"; | ||
| 313 | reg = <0x50000 0x10000>; | ||
| 314 | interrupt-parent = <&vic0>; | ||
| 315 | interrupts = <11>; | ||
| 316 | bus-clock = <&pclk>, "bus"; | ||
| 317 | }; | ||
| 318 | |||
| 319 | timer2: timer@60000 { | ||
| 320 | compatible = "picochip,pc3x2-timer"; | ||
| 321 | interrupt-parent = <&vic0>; | ||
| 322 | interrupts = <6>; | ||
| 323 | clock-freq = <200000000>; | ||
| 324 | reg = <0x60000 0x14>; | ||
| 325 | }; | ||
| 326 | |||
| 327 | timer3: timer@60014 { | ||
| 328 | compatible = "picochip,pc3x2-timer"; | ||
| 329 | interrupt-parent = <&vic0>; | ||
| 330 | interrupts = <7>; | ||
| 331 | clock-freq = <200000000>; | ||
| 332 | reg = <0x60014 0x14>; | ||
| 333 | }; | ||
| 334 | }; | ||
| 335 | }; | ||
| 336 | |||
| 337 | rwid-axi { | ||
| 338 | #address-cells = <1>; | ||
| 339 | #size-cells = <1>; | ||
| 340 | compatible = "simple-bus"; | ||
| 341 | ranges; | ||
| 342 | |||
| 343 | ebi@50000000 { | ||
| 344 | compatible = "simple-bus"; | ||
| 345 | #address-cells = <2>; | ||
| 346 | #size-cells = <1>; | ||
| 347 | ranges = <0 0 0x40000000 0x08000000 | ||
| 348 | 1 0 0x48000000 0x08000000 | ||
| 349 | 2 0 0x50000000 0x08000000 | ||
| 350 | 3 0 0x58000000 0x08000000>; | ||
| 351 | }; | ||
| 352 | |||
| 353 | axi2pico@c0000000 { | ||
| 354 | compatible = "picochip,axi2pico-pc3x3"; | ||
| 355 | reg = <0xc0000000 0x10000>; | ||
| 356 | interrupt-parent = <&vic0>; | ||
| 357 | interrupts = <13 14 15 16 17 18 19 20 21>; | ||
| 358 | }; | ||
| 359 | |||
| 360 | otp@ffff8000 { | ||
| 361 | compatible = "picochip,otp-pc3x3"; | ||
| 362 | reg = <0xffff8000 0x8000>; | ||
| 363 | }; | ||
| 364 | }; | ||
| 365 | }; | ||
| @@ -0,0 +1,86 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Picochip, Jamie Iles | ||
| 3 | * | ||
| 4 | * This software is licensed under the terms of the GNU General Public | ||
| 5 | * License version 2, as published by the Free Software Foundation, and | ||
| 6 | * may be copied, distributed, and modified under those terms. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope that it will be useful, | ||
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 11 | * GNU General Public License for more details. | ||
| 12 | */ | ||
| 13 | |||
| 14 | /dts-v1/; | ||
| 15 | /include/ "picoxcell-pc3x2.dtsi" | ||
| 16 | / { | ||
| 17 | model = "Picochip PC7302 (PC3X2)"; | ||
| 18 | compatible = "picochip,pc7302-pc3x2", "picochip,pc3x2"; | ||
| 19 | |||
| 20 | memory { | ||
| 21 | device_type = "memory"; | ||
| 22 | reg = <0x0 0x08000000>; | ||
| 23 | }; | ||
| 24 | |||
| 25 | chosen { | ||
| 26 | linux,stdout-path = &uart0; | ||
| 27 | }; | ||
| 28 | |||
| 29 | clocks { | ||
| 30 | ref_clk: clock@1 { | ||
| 31 | compatible = "fixed-clock"; | ||
| 32 | clock-outputs = "ref"; | ||
| 33 | clock-frequency = <20000000>; | ||
| 34 | }; | ||
| 35 | }; | ||
| 36 | |||
| 37 | rwid-axi { | ||
| 38 | ebi@50000000 { | ||
| 39 | nand: gpio-nand@2,0 { | ||
| 40 | compatible = "gpio-control-nand"; | ||
| 41 | #address-cells = <1>; | ||
| 42 | #size-cells = <1>; | ||
| 43 | reg = <2 0x0000 0x1000>; | ||
| 44 | bus-clock = <&pclk>, "bus"; | ||
| 45 | gpio-control-nand,io-sync-reg = | ||
| 46 | <0x00000000 0x80220000>; | ||
| 47 | |||
| 48 | gpios = <&banka 1 0 /* rdy */ | ||
| 49 | &banka 2 0 /* nce */ | ||
| 50 | &banka 3 0 /* ale */ | ||
| 51 | &banka 4 0 /* cle */ | ||
| 52 | 0 /* nwp */>; | ||
| 53 | |||
| 54 | boot@100000 { | ||
| 55 | label = "Boot"; | ||
| 56 | reg = <0x100000 0x80000>; | ||
| 57 | }; | ||
| 58 | |||
| 59 | redundant-boot@200000 { | ||
| 60 | label = "Redundant Boot"; | ||
| 61 | reg = <0x200000 0x80000>; | ||
| 62 | }; | ||
| 63 | |||
| 64 | boot-env@300000 { | ||
| 65 | label = "Boot Evironment"; | ||
| 66 | reg = <0x300000 0x20000>; | ||
| 67 | }; | ||
| 68 | |||
| 69 | redundant-boot-env@320000 { | ||
| 70 | label = "Redundant Boot Environment"; | ||
| 71 | reg = <0x300000 0x20000>; | ||
| 72 | }; | ||
| 73 | |||
| 74 | kernel@380000 { | ||
| 75 | label = "Kernel"; | ||
| 76 | reg = <0x380000 0x800000>; | ||
| 77 | }; | ||
| 78 | |||
| 79 | fs@b80000 { | ||
| 80 | label = "File System"; | ||
| 81 | reg = <0xb80000 0xf480000>; | ||
| 82 | }; | ||
| 83 | }; | ||
| 84 | }; | ||
| 85 | }; | ||
| 86 | }; | ||
| @@ -0,0 +1,92 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2011 Picochip, Jamie Iles | ||
| 3 | * | ||
| 4 | * This software is licensed under the terms of the GNU General Public | ||
| 5 | * License version 2, as published by the Free Software Foundation, and | ||
| 6 | * may be copied, distributed, and modified under those terms. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope that it will be useful, | ||
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 11 | * GNU General Public License for more details. | ||
| 12 | */ | ||
| 13 | |||
| 14 | /dts-v1/; | ||
| 15 | /include/ "picoxcell-pc3x3.dtsi" | ||
| 16 | / { | ||
| 17 | model = "Picochip PC7302 (PC3X3)"; | ||
| 18 | compatible = "picochip,pc7302-pc3x3", "picochip,pc3x3"; | ||
| 19 | |||
| 20 | memory { | ||
| 21 | device_type = "memory"; | ||
| 22 | reg = <0x0 0x08000000>; | ||
| 23 | }; | ||
| 24 | |||
| 25 | chosen { | ||
| 26 | linux,stdout-path = &uart0; | ||
| 27 | }; | ||
| 28 | |||
| 29 | clocks { | ||
| 30 | ref_clk: clock@10 { | ||
| 31 | compatible = "fixed-clock"; | ||
| 32 | clock-outputs = "ref"; | ||
| 33 | clock-frequency = <20000000>; | ||
| 34 | }; | ||
| 35 | |||
| 36 | clkgate: clkgate@800a0048 { | ||
| 37 | clock@4 { | ||
| 38 | picochip,clk-no-disable; | ||
| 39 | }; | ||
| 40 | }; | ||
| 41 | }; | ||
| 42 | |||
| 43 | rwid-axi { | ||
| 44 | ebi@50000000 { | ||
| 45 | nand: gpio-nand@2,0 { | ||
| 46 | compatible = "gpio-control-nand"; | ||
| 47 | #address-cells = <1>; | ||
| 48 | #size-cells = <1>; | ||
| 49 | reg = <2 0x0000 0x1000>; | ||
| 50 | bus-clock = <&ebi_clk>, "bus"; | ||
| 51 | gpio-control-nand,io-sync-reg = | ||
| 52 | <0x00000000 0x80220000>; | ||
| 53 | |||
| 54 | gpios = <&banka 1 0 /* rdy */ | ||
| 55 | &banka 2 0 /* nce */ | ||
| 56 | &banka 3 0 /* ale */ | ||
| 57 | &banka 4 0 /* cle */ | ||
| 58 | 0 /* nwp */>; | ||
| 59 | |||
| 60 | boot@100000 { | ||
| 61 | label = "Boot"; | ||
| 62 | reg = <0x100000 0x80000>; | ||
| 63 | }; | ||
| 64 | |||
| 65 | redundant-boot@200000 { | ||
| 66 | label = "Redundant Boot"; | ||
| 67 | reg = <0x200000 0x80000>; | ||
| 68 | }; | ||
| 69 | |||
| 70 | boot-env@300000 { | ||
| 71 | label = "Boot Evironment"; | ||
| 72 | reg = <0x300000 0x20000>; | ||
| 73 | }; | ||
| 74 | |||
| 75 | redundant-boot-env@320000 { | ||
| 76 | label = "Redundant Boot Environment"; | ||
| 77 | reg = <0x300000 0x20000>; | ||
| 78 | }; | ||
| 79 | |||
| 80 | kernel@380000 { | ||
| 81 | label = "Kernel"; | ||
| 82 | reg = <0x380000 0x800000>; | ||
| 83 | }; | ||
| 84 | |||
| 85 | fs@b80000 { | ||
| 86 | label = "File System"; | ||
| 87 | reg = <0xb80000 0xf480000>; | ||
| 88 | }; | ||
| 89 | }; | ||
| 90 | }; | ||
| 91 | }; | ||
| 92 | }; | ||
| @@ -39,9 +39,12 @@ · 38 unmodified lines | |||
| 39 | ranges = <0x40000000 0x40000000 0x80000000>; | 39 | ranges = <0x40000000 0x40000000 0x80000000>; |
| 40 | 40 | ||
| 41 | l2-cache-controller@80040000 { | 41 | l2-cache-controller@80040000 { |
| 42 | compatible = "arm,pl310-cache"; | 42 | compatible = "arm,pl310-cache", "sirf,prima2-pl310-cache"; |
| 43 | reg = <0x80040000 0x1000>; | 43 | reg = <0x80040000 0x1000>; |
| 44 | interrupts = <59>; | 44 | interrupts = <59>; |
| 45 | arm,tag-latency = <1 1 1>; | ||
| 46 | arm,data-latency = <1 1 1>; | ||
| 47 | arm,filter-ranges = <0 0x40000000>; | ||
| 45 | }; | 48 | }; |
| 46 | 49 | ||
| 47 | intc: interrupt-controller@80020000 { | 50 | intc: interrupt-controller@80020000 { |
| @@ -67,6 +70,11 @@ · 19 unmodified lines | |||
| 67 | compatible = "sirf,prima2-rstc"; | 70 | compatible = "sirf,prima2-rstc"; |
| 68 | reg = <0x88010000 0x1000>; | 71 | reg = <0x88010000 0x1000>; |
| 69 | }; | 72 | }; |
| 73 | |||
| 74 | rsc-controller@88020000 { | ||
| 75 | compatible = "sirf,prima2-rsc"; | ||
| 76 | reg = <0x88020000 0x1000>; | ||
| 77 | }; | ||
| 70 | }; | 78 | }; |
| 71 | 79 | ||
| 72 | mem-iobg { | 80 | mem-iobg { |
| @@ -274,7 +282,7 @@ · 201 unmodified lines | |||
| 274 | gpio: gpio-controller@b0120000 { | 282 | gpio: gpio-controller@b0120000 { |
| 275 | #gpio-cells = <2>; | 283 | #gpio-cells = <2>; |
| 276 | #interrupt-cells = <2>; | 284 | #interrupt-cells = <2>; |
| 277 | compatible = "sirf,prima2-gpio"; | 285 | compatible = "sirf,prima2-gpio-pinmux"; |
| 278 | reg = <0xb0120000 0x10000>; | 286 | reg = <0xb0120000 0x10000>; |
| 279 | gpio-controller; | 287 | gpio-controller; |
| 280 | interrupt-controller; | 288 | interrupt-controller; |
| @@ -358,7 +366,7 @@ · 77 unmodified lines | |||
| 358 | }; | 366 | }; |
| 359 | 367 | ||
| 360 | rtc-iobg { | 368 | rtc-iobg { |
| 361 | compatible = "sirf,prima2-rtciobg", "simple-bus"; | 369 | compatible = "sirf,prima2-rtciobg", "sirf-prima2-rtciobg-bus"; |
| 362 | #address-cells = <1>; | 370 | #address-cells = <1>; |
| 363 | #size-cells = <1>; | 371 | #size-cells = <1>; |
| 364 | reg = <0x80030000 0x10000>; | 372 | reg = <0x80030000 0x10000>; |
| @@ -66,5 +66,6 @@ · 65 unmodified lines | |||
| 66 | cd-gpios = <&gpio 58 0>; /* gpio PH2 */ | 66 | cd-gpios = <&gpio 58 0>; /* gpio PH2 */ |
| 67 | wp-gpios = <&gpio 59 0>; /* gpio PH3 */ | 67 | wp-gpios = <&gpio 59 0>; /* gpio PH3 */ |
| 68 | power-gpios = <&gpio 70 0>; /* gpio PI6 */ | 68 | power-gpios = <&gpio 70 0>; /* gpio PI6 */ |
| 69 | support-8bit; | ||
| 69 | }; | 70 | }; |
| 70 | }; | 71 | }; |
| @@ -25,4 +25,8 @@ · 24 unmodified lines | |||
| 25 | wp-gpios = <&gpio 57 0>; /* gpio PH1 */ | 25 | wp-gpios = <&gpio 57 0>; /* gpio PH1 */ |
| 26 | power-gpios = <&gpio 70 0>; /* gpio PI6 */ | 26 | power-gpios = <&gpio 70 0>; /* gpio PI6 */ |
| 27 | }; | 27 | }; |
| 28 | |||
| 29 | sdhci@c8000600 { | ||
| 30 | support-8bit; | ||
| 31 | }; | ||
| 28 | }; | 32 | }; |
| @@ -0,0 +1,31 @@ | |||
| 1 | /dts-v1/; | ||
| 2 | |||
| 3 | /memreserve/ 0x1c000000 0x04000000; | ||
| 4 | /include/ "tegra20.dtsi" | ||
| 5 | |||
| 6 | / { | ||
| 7 | model = "NVIDIA Tegra2 Ventana evaluation board"; | ||
| 8 | compatible = "nvidia,ventana", "nvidia,tegra20"; | ||
| 9 | |||
| 10 | chosen { | ||
| 11 | bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/ram rdinit=/sbin/init"; | ||
| 12 | }; | ||
| 13 | |||
| 14 | memory { | ||
| 15 | reg = < 0x00000000 0x40000000 >; | ||
| 16 | }; | ||
| 17 | |||
| 18 | serial@70006300 { | ||
| 19 | clock-frequency = < 216000000 >; | ||
| 20 | }; | ||
| 21 | |||
| 22 | sdhci@c8000400 { | ||
| 23 | cd-gpios = <&gpio 69 0>; /* gpio PI5 */ | ||
| 24 | wp-gpios = <&gpio 57 0>; /* gpio PH1 */ | ||
| 25 | power-gpios = <&gpio 70 0>; /* gpio PI6 */ | ||
| 26 | }; | ||
| 27 | |||
| 28 | sdhci@c8000600 { | ||
| 29 | support-8bit; | ||
| 30 | }; | ||
| 31 | }; | ||
| @@ -77,6 +77,14 @@ · 76 unmodified lines | |||
| 77 | gpio-controller; | 77 | gpio-controller; |
| 78 | }; | 78 | }; |
| 79 | 79 | ||
| 80 | pinmux: pinmux@70000000 { | ||
| 81 | compatible = "nvidia,tegra20-pinmux"; | ||
| 82 | reg = < 0x70000014 0x10 /* Tri-state registers */ | ||
| 83 | 0x70000080 0x20 /* Mux registers */ | ||
| 84 | 0x700000a0 0x14 /* Pull-up/down registers */ | ||
| 85 | 0x70000868 0xa8 >; /* Pad control registers */ | ||
| 86 | }; | ||
| 87 | |||
| 80 | serial@70006000 { | 88 | serial@70006000 { |
| 81 | compatible = "nvidia,tegra20-uart"; | 89 | compatible = "nvidia,tegra20-uart"; |
| 82 | reg = <0x70006000 0x40>; | 90 | reg = <0x70006000 0x40>; |
| @@ -0,0 +1,30 @@ | |||
| 1 | /* | ||
| 2 | * usb_a9g20.dts - Device Tree file for Caloa USB A9G20 board | ||
| 3 | * | ||
| 4 | * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | ||
| 5 | * | ||
| 6 | * Licensed under GPLv2 or later. | ||
| 7 | */ | ||
| 8 | /dts-v1/; | ||
| 9 | /include/ "at91sam9g20.dtsi" | ||
| 10 | |||
| 11 | / { | ||
| 12 | model = "Calao USB A9G20"; | ||
| 13 | compatible = "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9"; | ||
| 14 | |||
| 15 | chosen { | ||
| 16 | bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:128k(at91bootstrap),256k(barebox)ro,128k(bareboxenv),128k(bareboxenv2),4M(kernel),120M(rootfs),-(data) root=/dev/mtdblock5 rw rootfstype=ubifs"; | ||
| 17 | }; | ||
| 18 | |||
| 19 | memory@20000000 { | ||
| 20 | reg = <0x20000000 0x4000000>; | ||
| 21 | }; | ||
| 22 | |||
| 23 | ahb { | ||
| 24 | apb { | ||
| 25 | dbgu: serial@fffff200 { | ||
| 26 | status = "okay"; | ||
| 27 | }; | ||
| 28 | }; | ||
| 29 | }; | ||
| 30 | }; | ||
| @@ -1,4 +1,5 @@ | |||
| 1 | config ARM_GIC | 1 | config ARM_GIC |
| 2 | select IRQ_DOMAIN | ||
| 2 | bool | 3 | bool |
| 3 | 4 | ||
| 4 | config ARM_VIC | 5 | config ARM_VIC |
| @@ -24,16 +24,26 @@ · 23 unmodified lines | |||
| 24 | */ | 24 | */ |
| 25 | #include <linux/init.h> | 25 | #include <linux/init.h> |
| 26 | #include <linux/kernel.h> | 26 | #include <linux/kernel.h> |
| 27 | #include <linux/err.h> | ||
| 28 | #include <linux/module.h> | ||
| 27 | #include <linux/list.h> | 29 | #include <linux/list.h> |
| 28 | #include <linux/smp.h> | 30 | #include <linux/smp.h> |
| 31 | #include <linux/cpu_pm.h> | ||
| 29 | #include <linux/cpumask.h> | 32 | #include <linux/cpumask.h> |
| 30 | #include <linux/io.h> | 33 | #include <linux/io.h> |
| 34 | #include <linux/of.h> | ||
| 35 | #include <linux/of_address.h> | ||
| 36 | #include <linux/of_irq.h> | ||
| 37 | #include <linux/irqdomain.h> | ||
| 38 | #include <linux/interrupt.h> | ||
| 39 | #include <linux/percpu.h> | ||
| 40 | #include <linux/slab.h> | ||
| 31 | 41 | ||
| 32 | #include <asm/irq.h> | 42 | #include <asm/irq.h> |
| 33 | #include <asm/mach/irq.h> | 43 | #include <asm/mach/irq.h> |
| 34 | #include <asm/hardware/gic.h> | 44 | #include <asm/hardware/gic.h> |
| 35 | 45 | ||
| 36 | static DEFINE_SPINLOCK(irq_controller_lock); | 46 | static DEFINE_RAW_SPINLOCK(irq_controller_lock); |
| 37 | 47 | ||
| 38 | /* Address of GIC 0 CPU interface */ | 48 | /* Address of GIC 0 CPU interface */ |
| 39 | void __iomem *gic_cpu_base_addr __read_mostly; | 49 | void __iomem *gic_cpu_base_addr __read_mostly; |
| @@ -71,8 +81,7 @@ static inline void __iomem *gic_cpu_base(struct irq_data *d) · 31 unmodified lines | |||
| 71 | 81 | ||
| 72 | static inline unsigned int gic_irq(struct irq_data *d) | 82 | static inline unsigned int gic_irq(struct irq_data *d) |
| 73 | { | 83 | { |
| 74 | struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); | 84 | return d->hwirq; |
| 75 | return d->irq - gic_data->irq_offset; | ||
| 76 | } | 85 | } |
| 77 | 86 | ||
| 78 | /* | 87 | /* |
| @@ -80,32 +89,32 @@ static inline unsigned int gic_irq(struct irq_data *d) · 1 unmodified line | |||
| 80 | */ | 89 | */ |
| 81 | static void gic_mask_irq(struct irq_data *d) | 90 | static void gic_mask_irq(struct irq_data *d) |
| 82 | { | 91 | { |
| 83 | u32 mask = 1 << (d->irq % 32); | 92 | u32 mask = 1 << (gic_irq(d) % 32); |
| 84 | 93 | ||
| 85 | spin_lock(&irq_controller_lock); | 94 | raw_spin_lock(&irq_controller_lock); |
| 86 | writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4); | 95 | writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4); |
| 87 | if (gic_arch_extn.irq_mask) | 96 | if (gic_arch_extn.irq_mask) |
| 88 | gic_arch_extn.irq_mask(d); | 97 | gic_arch_extn.irq_mask(d); |
| 89 | spin_unlock(&irq_controller_lock); | 98 | raw_spin_unlock(&irq_controller_lock); |
| 90 | } | 99 | } |
| 91 | 100 | ||
| 92 | static void gic_unmask_irq(struct irq_data *d) | 101 | static void gic_unmask_irq(struct irq_data *d) |
| 93 | { | 102 | { |
| 94 | u32 mask = 1 << (d->irq % 32); | 103 | u32 mask = 1 << (gic_irq(d) % 32); |
| 95 | 104 | ||
| 96 | spin_lock(&irq_controller_lock); | 105 | raw_spin_lock(&irq_controller_lock); |
| 97 | if (gic_arch_extn.irq_unmask) | 106 | if (gic_arch_extn.irq_unmask) |
| 98 | gic_arch_extn.irq_unmask(d); | 107 | gic_arch_extn.irq_unmask(d); |
| 99 | writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4); | 108 | writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4); |
| 100 | spin_unlock(&irq_controller_lock); | 109 | raw_spin_unlock(&irq_controller_lock); |
| 101 | } | 110 | } |
| 102 | 111 | ||
| 103 | static void gic_eoi_irq(struct irq_data *d) | 112 | static void gic_eoi_irq(struct irq_data *d) |
| 104 | { | 113 | { |
| 105 | if (gic_arch_extn.irq_eoi) { | 114 | if (gic_arch_extn.irq_eoi) { |
| 106 | spin_lock(&irq_controller_lock); | 115 | raw_spin_lock(&irq_controller_lock); |
| 107 | gic_arch_extn.irq_eoi(d); | 116 | gic_arch_extn.irq_eoi(d); |
| 108 | spin_unlock(&irq_controller_lock); | 117 | raw_spin_unlock(&irq_controller_lock); |
| 109 | } | 118 | } |
| 110 | 119 | ||
| 111 | writel_relaxed(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI); | 120 | writel_relaxed(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI); |
| @@ -129,7 +138,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type) · 17 unmodified lines | |||
| 129 | if (type != IRQ_TYPE_LEVEL_HIGH && type != IRQ_TYPE_EDGE_RISING) | 138 | if (type != IRQ_TYPE_LEVEL_HIGH && type != IRQ_TYPE_EDGE_RISING) |
| 130 | return -EINVAL; | 139 | return -EINVAL; |
| 131 | 140 | ||
| 132 | spin_lock(&irq_controller_lock); | 141 | raw_spin_lock(&irq_controller_lock); |
| 133 | 142 | ||
| 134 | if (gic_arch_extn.irq_set_type) | 143 | if (gic_arch_extn.irq_set_type) |
| 135 | gic_arch_extn.irq_set_type(d, type); | 144 | gic_arch_extn.irq_set_type(d, type); |
| @@ -154,7 +163,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type) · 18 unmodified lines | |||
| 154 | if (enabled) | 163 | if (enabled) |
| 155 | writel_relaxed(enablemask, base + GIC_DIST_ENABLE_SET + enableoff); | 164 | writel_relaxed(enablemask, base + GIC_DIST_ENABLE_SET + enableoff); |
| 156 | 165 | ||
| 157 | spin_unlock(&irq_controller_lock); | 166 | raw_spin_unlock(&irq_controller_lock); |
| 158 | 167 | ||
| 159 | return 0; | 168 | return 0; |
| 160 | } | 169 | } |
| @@ -172,7 +181,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, · 11 unmodified lines | |||
| 172 | bool force) | 181 | bool force) |
| 173 | { | 182 | { |
| 174 | void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); | 183 | void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); |
| 175 | unsigned int shift = (d->irq % 4) * 8; | 184 | unsigned int shift = (gic_irq(d) % 4) * 8; |
| 176 | unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask); | 185 | unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask); |
| 177 | u32 val, mask, bit; | 186 | u32 val, mask, bit; |
| 178 | 187 | ||
| @@ -182,10 +191,10 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, · 3 unmodified lines | |||
| 182 | mask = 0xff << shift; | 191 | mask = 0xff << shift; |
| 183 | bit = 1 << (cpu_logical_map(cpu) + shift); | 192 | bit = 1 << (cpu_logical_map(cpu) + shift); |
| 184 | 193 | ||
| 185 | spin_lock(&irq_controller_lock); | 194 | raw_spin_lock(&irq_controller_lock); |
| 186 | val = readl_relaxed(reg) & ~mask; | 195 | val = readl_relaxed(reg) & ~mask; |
| 187 | writel_relaxed(val | bit, reg); | 196 | writel_relaxed(val | bit, reg); |
| 188 | spin_unlock(&irq_controller_lock); | 197 | raw_spin_unlock(&irq_controller_lock); |
| 189 | 198 | ||
| 190 | return IRQ_SET_MASK_OK; | 199 | return IRQ_SET_MASK_OK; |
| 191 | } | 200 | } |
| @@ -215,15 +224,15 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) · 23 unmodified lines | |||
| 215 | 224 | ||
| 216 | chained_irq_enter(chip, desc); | 225 | chained_irq_enter(chip, desc); |
| 217 | 226 | ||
| 218 | spin_lock(&irq_controller_lock); | 227 | raw_spin_lock(&irq_controller_lock); |
| 219 | status = readl_relaxed(chip_data->cpu_base + GIC_CPU_INTACK); | 228 | status = readl_relaxed(chip_data->cpu_base + GIC_CPU_INTACK); |
| 220 | spin_unlock(&irq_controller_lock); | 229 | raw_spin_unlock(&irq_controller_lock); |
| 221 | 230 | ||
| 222 | gic_irq = (status & 0x3ff); | 231 | gic_irq = (status & 0x3ff); |
| 223 | if (gic_irq == 1023) | 232 | if (gic_irq == 1023) |
| 224 | goto out; | 233 | goto out; |
| 225 | 234 | ||
| 226 | cascade_irq = gic_irq + chip_data->irq_offset; | 235 | cascade_irq = irq_domain_to_irq(&chip_data->domain, gic_irq); |
| 227 | if (unlikely(gic_irq < 32 || gic_irq > 1020 || cascade_irq >= NR_IRQS)) | 236 | if (unlikely(gic_irq < 32 || gic_irq > 1020 || cascade_irq >= NR_IRQS)) |
| 228 | do_bad_IRQ(cascade_irq, desc); | 237 | do_bad_IRQ(cascade_irq, desc); |
| 229 | else | 238 | else |
| @@ -255,11 +264,12 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) · 25 unmodified lines | |||
| 255 | irq_set_chained_handler(irq, gic_handle_cascade_irq); | 264 | irq_set_chained_handler(irq, gic_handle_cascade_irq); |
| 256 | } | 265 | } |
| 257 | 266 | ||
| 258 | static void __init gic_dist_init(struct gic_chip_data *gic, | 267 | static void __init gic_dist_init(struct gic_chip_data *gic) |
| 259 | unsigned int irq_start) | ||
| 260 | { | 268 | { |
| 261 | unsigned int gic_irqs, irq_limit, i; | 269 | unsigned int i, irq; |
| 262 | u32 cpumask; | 270 | u32 cpumask; |
| 271 | unsigned int gic_irqs = gic->gic_irqs; | ||
| 272 | struct irq_domain *domain = &gic->domain; | ||
| 263 | void __iomem *base = gic->dist_base; | 273 | void __iomem *base = gic->dist_base; |
| 264 | u32 cpu = 0; | 274 | u32 cpu = 0; |
| 265 | 275 | ||
| @@ -273,15 +283,6 @@ static void __init gic_dist_init(struct gic_chip_data *gic, · 7 unmodified lines | |||
| 273 | 283 | ||
| 274 | writel_relaxed(0, base + GIC_DIST_CTRL); | 284 | writel_relaxed(0, base + GIC_DIST_CTRL); |
| 275 | 285 | ||
| 276 | /* | ||
| 277 | * Find out how many interrupts are supported. | ||
| 278 | * The GIC only supports up to 1020 interrupt sources. | ||
| 279 | */ | ||
| 280 | gic_irqs = readl_relaxed(base + GIC_DIST_CTR) & 0x1f; | ||
| 281 | gic_irqs = (gic_irqs + 1) * 32; | ||
| 282 | if (gic_irqs > 1020) | ||
| 283 | gic_irqs = 1020; | ||
| 284 | |||
| 285 | /* | 286 | /* |
| 286 | * Set all global interrupts to be level triggered, active low. | 287 | * Set all global interrupts to be level triggered, active low. |
| 287 | */ | 288 | */ |
| @@ -307,20 +308,21 @@ static void __init gic_dist_init(struct gic_chip_data *gic, · 19 unmodified lines | |||
| 307 | for (i = 32; i < gic_irqs; i += 32) | 308 | for (i = 32; i < gic_irqs; i += 32) |
| 308 | writel_relaxed(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32); | 309 | writel_relaxed(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32); |
| 309 | 310 | ||
| 310 | /* | ||
| 311 | * Limit number of interrupts registered to the platform maximum | ||
| 312 | */ | ||
| 313 | irq_limit = gic->irq_offset + gic_irqs; | ||
| 314 | if (WARN_ON(irq_limit > NR_IRQS)) | ||
| 315 | irq_limit = NR_IRQS; | ||
| 316 | |||
| 317 | /* | 311 | /* |
| 318 | * Setup the Linux IRQ subsystem. | 312 | * Setup the Linux IRQ subsystem. |
| 319 | */ | 313 | */ |
| 320 | for (i = irq_start; i < irq_limit; i++) { | 314 | irq_domain_for_each_irq(domain, i, irq) { |
| 321 | irq_set_chip_and_handler(i, &gic_chip, handle_fasteoi_irq); | 315 | if (i < 32) { |
| 322 | irq_set_chip_data(i, gic); | 316 | irq_set_percpu_devid(irq); |
| 323 | set_irq_flags(i, IRQF_VALID | IRQF_PROBE); | 317 | irq_set_chip_and_handler(irq, &gic_chip, |
| 318 | handle_percpu_devid_irq); | ||
| 319 | set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); | ||
| 320 | } else { | ||
| 321 | irq_set_chip_and_handler(irq, &gic_chip, | ||
| 322 | handle_fasteoi_irq); | ||
| 323 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); | ||
| 324 | } | ||
| 325 | irq_set_chip_data(irq, gic); | ||
| 324 | } | 326 | } |
| 325 | 327 | ||
| 326 | writel_relaxed(1, base + GIC_DIST_CTRL); | 328 | writel_relaxed(1, base + GIC_DIST_CTRL); |
| @@ -349,23 +351,270 @@ static void __cpuinit gic_cpu_init(struct gic_chip_data *gic) · 22 unmodified lines | |||
| 349 | writel_relaxed(1, base + GIC_CPU_CTRL); | 351 | writel_relaxed(1, base + GIC_CPU_CTRL); |
| 350 | } | 352 | } |
| 351 | 353 | ||
| 352 | void __init gic_init(unsigned int gic_nr, unsigned int irq_start, | 354 | #ifdef CONFIG_CPU_PM |
| 355 | /* | ||
| 356 | * Saves the GIC distributor registers during suspend or idle. Must be called | ||
| 357 | * with interrupts disabled but before powering down the GIC. After calling | ||
| 358 | * this function, no interrupts will be delivered by the GIC, and another | ||
| 359 | * platform-specific wakeup source must be enabled. | ||
| 360 | */ | ||
| 361 | static void gic_dist_save(unsigned int gic_nr) | ||
| 362 | { | ||
| 363 | unsigned int gic_irqs; | ||
| 364 | void __iomem *dist_base; | ||
| 365 | int i; | ||
| 366 | |||
| 367 | if (gic_nr >= MAX_GIC_NR) | ||
| 368 | BUG(); | ||
| 369 | |||
| 370 | gic_irqs = gic_data[gic_nr].gic_irqs; | ||
| 371 | dist_base = gic_data[gic_nr].dist_base; | ||
| 372 | |||
| 373 | if (!dist_base) | ||
| 374 | return; | ||
| 375 | |||
| 376 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 16); i++) | ||
| 377 | gic_data[gic_nr].saved_spi_conf[i] = | ||
| 378 | readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4); | ||
| 379 | |||
| 380 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++) | ||
| 381 | gic_data[gic_nr].saved_spi_target[i] = | ||
| 382 | readl_relaxed(dist_base + GIC_DIST_TARGET + i * 4); | ||
| 383 | |||
| 384 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) | ||
| 385 | gic_data[gic_nr].saved_spi_enable[i] = | ||
| 386 | readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); | ||
| 387 | } | ||
| 388 | |||
| 389 | /* | ||
| 390 | * Restores the GIC distributor registers during resume or when coming out of | ||
| 391 | * idle. Must be called before enabling interrupts. If a level interrupt | ||
| 392 | * that occured while the GIC was suspended is still present, it will be | ||
| 393 | * handled normally, but any edge interrupts that occured will not be seen by | ||
| 394 | * the GIC and need to be handled by the platform-specific wakeup source. | ||
| 395 | */ | ||
| 396 | static void gic_dist_restore(unsigned int gic_nr) | ||
| 397 | { | ||
| 398 | unsigned int gic_irqs; | ||
| 399 | unsigned int i; | ||
| 400 | void __iomem *dist_base; | ||
| 401 | |||
| 402 | if (gic_nr >= MAX_GIC_NR) | ||
| 403 | BUG(); | ||
| 404 | |||
| 405 | gic_irqs = gic_data[gic_nr].gic_irqs; | ||
| 406 | dist_base = gic_data[gic_nr].dist_base; | ||
| 407 | |||
| 408 | if (!dist_base) | ||
| 409 | return; | ||
| 410 | |||
| 411 | writel_relaxed(0, dist_base + GIC_DIST_CTRL); | ||
| 412 | |||
| 413 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 16); i++) | ||
| 414 | writel_relaxed(gic_data[gic_nr].saved_spi_conf[i], | ||
| 415 | dist_base + GIC_DIST_CONFIG + i * 4); | ||
| 416 | |||
| 417 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++) | ||
| 418 | writel_relaxed(0xa0a0a0a0, | ||
| 419 | dist_base + GIC_DIST_PRI + i * 4); | ||
| 420 | |||
| 421 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++) | ||
| 422 | writel_relaxed(gic_data[gic_nr].saved_spi_target[i], | ||
| 423 | dist_base + GIC_DIST_TARGET + i * 4); | ||
| 424 | |||
| 425 | for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) | ||
| 426 | writel_relaxed(gic_data[gic_nr].saved_spi_enable[i], | ||
| 427 | dist_base + GIC_DIST_ENABLE_SET + i * 4); | ||
| 428 | |||
| 429 | writel_relaxed(1, dist_base + GIC_DIST_CTRL); | ||
| 430 | } | ||
| 431 | |||
| 432 | static void gic_cpu_save(unsigned int gic_nr) | ||
| 433 | { | ||
| 434 | int i; | ||
| 435 | u32 *ptr; | ||
| 436 | void __iomem *dist_base; | ||
| 437 | void __iomem *cpu_base; | ||
| 438 | |||
| 439 | if (gic_nr >= MAX_GIC_NR) | ||
| 440 | BUG(); | ||
| 441 | |||
| 442 | dist_base = gic_data[gic_nr].dist_base; | ||
| 443 | cpu_base = gic_data[gic_nr].cpu_base; | ||
| 444 | |||
| 445 | if (!dist_base || !cpu_base) | ||
| 446 | return; | ||
| 447 | |||
| 448 | ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); | ||
| 449 | for (i = 0; i < DIV_ROUND_UP(32, 32); i++) | ||
| 450 | ptr[i] = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); | ||
| 451 | |||
| 452 | ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); | ||
| 453 | for (i = 0; i < DIV_ROUND_UP(32, 16); i++) | ||
| 454 | ptr[i] = readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4); | ||
| 455 | |||
| 456 | } | ||
| 457 | |||
| 458 | static void gic_cpu_restore(unsigned int gic_nr) | ||
| 459 | { | ||
| 460 | int i; | ||
| 461 | u32 *ptr; | ||
| 462 | void __iomem *dist_base; | ||
| 463 | void __iomem *cpu_base; | ||
| 464 | |||
| 465 | if (gic_nr >= MAX_GIC_NR) | ||
| 466 | BUG(); | ||
| 467 | |||
| 468 | dist_base = gic_data[gic_nr].dist_base; | ||
| 469 | cpu_base = gic_data[gic_nr].cpu_base; | ||
| 470 | |||
| 471 | if (!dist_base || !cpu_base) | ||
| 472 | return; | ||
| 473 | |||
| 474 | ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); | ||
| 475 | for (i = 0; i < DIV_ROUND_UP(32, 32); i++) | ||
| 476 | writel_relaxed(ptr[i], dist_base + GIC_DIST_ENABLE_SET + i * 4); | ||
| 477 | |||
| 478 | ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); | ||
| 479 | for (i = 0; i < DIV_ROUND_UP(32, 16); i++) | ||
| 480 | writel_relaxed(ptr[i], dist_base + GIC_DIST_CONFIG + i * 4); | ||
| 481 | |||
| 482 | for (i = 0; i < DIV_ROUND_UP(32, 4); i++) | ||
| 483 | writel_relaxed(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4); | ||
| 484 | |||
| 485 | writel_relaxed(0xf0, cpu_base + GIC_CPU_PRIMASK); | ||
| 486 | writel_relaxed(1, cpu_base + GIC_CPU_CTRL); | ||
| 487 | } | ||
| 488 | |||
| 489 | static int gic_notifier(struct notifier_block *self, unsigned long cmd, void *v) | ||
| 490 | { | ||
| 491 | int i; | ||
| 492 | |||
| 493 | for (i = 0; i < MAX_GIC_NR; i++) { | ||
| 494 | switch (cmd) { | ||
| 495 | case CPU_PM_ENTER: | ||
| 496 | gic_cpu_save(i); | ||
| 497 | break; | ||
| 498 | case CPU_PM_ENTER_FAILED: | ||
| 499 | case CPU_PM_EXIT: | ||
| 500 | gic_cpu_restore(i); | ||
| 501 | break; | ||
| 502 | case CPU_CLUSTER_PM_ENTER: | ||
| 503 | gic_dist_save(i); | ||
| 504 | break; | ||
| 505 | case CPU_CLUSTER_PM_ENTER_FAILED: | ||
| 506 | case CPU_CLUSTER_PM_EXIT: | ||
| 507 | gic_dist_restore(i); | ||
| 508 | break; | ||
| 509 | } | ||
| 510 | } | ||
| 511 | |||
| 512 | return NOTIFY_OK; | ||
| 513 | } | ||
| 514 | |||
| 515 | static struct notifier_block gic_notifier_block = { | ||
| 516 | .notifier_call = gic_notifier, | ||
| 517 | }; | ||
| 518 | |||
| 519 | static void __init gic_pm_init(struct gic_chip_data *gic) | ||
| 520 | { | ||
| 521 | gic->saved_ppi_enable = __alloc_percpu(DIV_ROUND_UP(32, 32) * 4, | ||
| 522 | sizeof(u32)); | ||
| 523 | BUG_ON(!gic->saved_ppi_enable); | ||
| 524 | |||
| 525 | gic->saved_ppi_conf = __alloc_percpu(DIV_ROUND_UP(32, 16) * 4, | ||
| 526 | sizeof(u32)); | ||
| 527 | BUG_ON(!gic->saved_ppi_conf); | ||
| 528 | |||
| 529 | cpu_pm_register_notifier(&gic_notifier_block); | ||
| 530 | } | ||
| 531 | #else | ||
| 532 | static void __init gic_pm_init(struct gic_chip_data *gic) | ||
| 533 | { | ||
| 534 | } | ||
| 535 | #endif | ||
| 536 | |||
| 537 | #ifdef CONFIG_OF | ||
| 538 | static int gic_irq_domain_dt_translate(struct irq_domain *d, | ||
| 539 | struct device_node *controller, | ||
| 540 | const u32 *intspec, unsigned int intsize, | ||
| 541 | unsigned long *out_hwirq, unsigned int *out_type) | ||
| 542 | { | ||
| 543 | if (d->of_node != controller) | ||
| 544 | return -EINVAL; | ||
| 545 | if (intsize < 3) | ||
| 546 | return -EINVAL; | ||
| 547 | |||
| 548 | /* Get the interrupt number and add 16 to skip over SGIs */ | ||
| 549 | *out_hwirq = intspec[1] + 16; | ||
| 550 | |||
| 551 | /* For SPIs, we need to add 16 more to get the GIC irq ID number */ | ||
| 552 | if (!intspec[0]) | ||
| 553 | *out_hwirq += 16; | ||
| 554 | |||
| 555 | *out_type = intspec[2] & IRQ_TYPE_SENSE_MASK; | ||
| 556 | return 0; | ||
| 557 | } | ||
| 558 | #endif | ||
| 559 | |||
| 560 | const struct irq_domain_ops gic_irq_domain_ops = { | ||
| 561 | #ifdef CONFIG_OF | ||
| 562 | .dt_translate = gic_irq_domain_dt_translate, | ||
| 563 | #endif | ||
| 564 | }; | ||
| 565 | |||
| 566 | void __init gic_init(unsigned int gic_nr, int irq_start, | ||
| 353 | void __iomem *dist_base, void __iomem *cpu_base) | 567 | void __iomem *dist_base, void __iomem *cpu_base) |
| 354 | { | 568 | { |
| 355 | struct gic_chip_data *gic; | 569 | struct gic_chip_data *gic; |
| 570 | struct irq_domain *domain; | ||
| 571 | int gic_irqs; | ||
| 356 | 572 | ||
| 357 | BUG_ON(gic_nr >= MAX_GIC_NR); | 573 | BUG_ON(gic_nr >= MAX_GIC_NR); |
| 358 | 574 | ||
| 359 | gic = &gic_data[gic_nr]; | 575 | gic = &gic_data[gic_nr]; |
| 576 | domain = &gic->domain; | ||
| 360 | gic->dist_base = dist_base; | 577 | gic->dist_base = dist_base; |
| 361 | gic->cpu_base = cpu_base; | 578 | gic->cpu_base = cpu_base; |
| 362 | gic->irq_offset = (irq_start - 1) & ~31; | ||
| 363 | 579 | ||
| 364 | if (gic_nr == 0) | 580 | /* |
| 581 | * For primary GICs, skip over SGIs. | ||
| 582 | * For secondary GICs, skip over PPIs, too. | ||
| 583 | */ | ||
| 584 | if (gic_nr == 0) { | ||
| 365 | gic_cpu_base_addr = cpu_base; | 585 | gic_cpu_base_addr = cpu_base; |
| 586 | domain->hwirq_base = 16; | ||
| 587 | if (irq_start > 0) | ||
| 588 | irq_start = (irq_start & ~31) + 16; | ||
| 589 | } else | ||
| 590 | domain->hwirq_base = 32; | ||
| 591 | |||
| 592 | /* | ||
| 593 | * Find out how many interrupts are supported. | ||
| 594 | * The GIC only supports up to 1020 interrupt sources. | ||
| 595 | */ | ||
| 596 | gic_irqs = readl_relaxed(dist_base + GIC_DIST_CTR) & 0x1f; | ||
| 597 | gic_irqs = (gic_irqs + 1) * 32; | ||
| 598 | if (gic_irqs > 1020) | ||
| 599 | gic_irqs = 1020; | ||
| 600 | gic->gic_irqs = gic_irqs; | ||
| 601 | |||
| 602 | domain->nr_irq = gic_irqs - domain->hwirq_base; | ||
| 603 | domain->irq_base = irq_alloc_descs(irq_start, 16, domain->nr_irq, | ||
| 604 | numa_node_id()); | ||
| 605 | if (IS_ERR_VALUE(domain->irq_base)) { | ||
| 606 | WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n", | ||
| 607 | irq_start); | ||
| 608 | domain->irq_base = irq_start; | ||
| 609 | } | ||
| 610 | domain->priv = gic; | ||
| 611 | domain->ops = &gic_irq_domain_ops; | ||
| 612 | irq_domain_add(domain); | ||
| 366 | 613 | ||
| 367 | gic_dist_init(gic, irq_start); | 614 | gic_chip.flags |= gic_arch_extn.flags; |
| 615 | gic_dist_init(gic); | ||
| 368 | gic_cpu_init(gic); | 616 | gic_cpu_init(gic); |
| 617 | gic_pm_init(gic); | ||
| 369 | } | 618 | } |
| 370 | 619 | ||
| 371 | void __cpuinit gic_secondary_init(unsigned int gic_nr) | 620 | void __cpuinit gic_secondary_init(unsigned int gic_nr) |
| @@ -375,16 +624,6 @@ void __cpuinit gic_secondary_init(unsigned int gic_nr) · 3 unmodified lines | |||
| 375 | gic_cpu_init(&gic_data[gic_nr]); | 624 | gic_cpu_init(&gic_data[gic_nr]); |
| 376 | } | 625 | } |
| 377 | 626 | ||
| 378 | void __cpuinit gic_enable_ppi(unsigned int irq) | ||
| 379 | { | ||
| 380 | unsigned long flags; | ||
| 381 | |||
| 382 | local_irq_save(flags); | ||
| 383 | irq_set_status_flags(irq, IRQ_NOPROBE); | ||
| 384 | gic_unmask_irq(irq_get_irq_data(irq)); | ||
| 385 | local_irq_restore(flags); | ||
| 386 | } | ||
| 387 | |||
| 388 | #ifdef CONFIG_SMP | 627 | #ifdef CONFIG_SMP |
| 389 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) | 628 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) |
| 390 | { | 629 | { |
| @@ -405,3 +644,35 @@ void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) · 14 unmodified lines | |||
| 405 | writel_relaxed(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT); | 644 | writel_relaxed(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT); |
| 406 | } | 645 | } |
| 407 | #endif | 646 | #endif |
| 647 | |||
| 648 | #ifdef CONFIG_OF | ||
| 649 | static int gic_cnt __initdata = 0; | ||
| 650 | |||
| 651 | int __init gic_of_init(struct device_node *node, struct device_node *parent) | ||
| 652 | { | ||
| 653 | void __iomem *cpu_base; | ||
| 654 | void __iomem *dist_base; | ||
| 655 | int irq; | ||
| 656 | struct irq_domain *domain = &gic_data[gic_cnt].domain; | ||
| 657 | |||
| 658 | if (WARN_ON(!node)) | ||
| 659 | return -ENODEV; | ||
| 660 | |||
| 661 | dist_base = of_iomap(node, 0); | ||
| 662 | WARN(!dist_base, "unable to map gic dist registers\n"); | ||
| 663 | |||
| 664 | cpu_base = of_iomap(node, 1); | ||
| 665 | WARN(!cpu_base, "unable to map gic cpu registers\n"); | ||
| 666 | |||
| 667 | domain->of_node = of_node_get(node); | ||
| 668 | |||
| 669 | gic_init(gic_cnt, -1, dist_base, cpu_base); | ||
| 670 | |||
| 671 | if (parent) { | ||
| 672 | irq = irq_of_parse_and_map(node, 0); | ||
| 673 | gic_cascade_irq(gic_cnt, irq); | ||
| 674 | } | ||
| 675 | gic_cnt++; | ||
| 676 | return 0; | ||
| 677 | } | ||
| 678 | #endif | ||
| @@ -25,6 +25,7 @@ · 24 unmodified lines | |||
| 25 | #include <linux/ioport.h> | 25 | #include <linux/ioport.h> |
| 26 | #include <linux/irq.h> | 26 | #include <linux/irq.h> |
| 27 | #include <linux/io.h> | 27 | #include <linux/io.h> |
| 28 | #include <linux/export.h> | ||
| 28 | 29 | ||
| 29 | #include <asm/mach/pci.h> | 30 | #include <asm/mach/pci.h> |
| 30 | #include <asm/hardware/it8152.h> | 31 | #include <asm/hardware/it8152.h> |
| @@ -718,6 +718,10 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) · 717 unmodified lines | |||
| 718 | goto err_free; | 718 | goto err_free; |
| 719 | } | 719 | } |
| 720 | 720 | ||
| 721 | ret = clk_prepare(sachip->clk); | ||
| 722 | if (ret) | ||
| 723 | goto err_clkput; | ||
| 724 | |||
| 721 | spin_lock_init(&sachip->lock); | 725 | spin_lock_init(&sachip->lock); |
| 722 | 726 | ||
| 723 | sachip->dev = me; | 727 | sachip->dev = me; |
| @@ -733,7 +737,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) · 9 unmodified lines | |||
| 733 | sachip->base = ioremap(mem->start, PAGE_SIZE * 2); | 737 | sachip->base = ioremap(mem->start, PAGE_SIZE * 2); |
| 734 | if (!sachip->base) { | 738 | if (!sachip->base) { |
| 735 | ret = -ENOMEM; | 739 | ret = -ENOMEM; |
| 736 | goto err_clkput; | 740 | goto err_clk_unprep; |
| 737 | } | 741 | } |
| 738 | 742 | ||
| 739 | /* | 743 | /* |
| @@ -809,6 +813,8 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) · 69 unmodified lines | |||
| 809 | 813 | ||
| 810 | err_unmap: | 814 | err_unmap: |
| 811 | iounmap(sachip->base); | 815 | iounmap(sachip->base); |
| 816 | err_clk_unprep: | ||
| 817 | clk_unprepare(sachip->clk); | ||
| 812 | err_clkput: | 818 | err_clkput: |
| 813 | clk_put(sachip->clk); | 819 | clk_put(sachip->clk); |
| 814 | err_free: | 820 | err_free: |
| @@ -835,6 +841,7 @@ static void __sa1111_remove(struct sa1111 *sachip) · 20 unmodified lines | |||
| 835 | sa1111_writel(0, irqbase + SA1111_WAKEEN1); | 841 | sa1111_writel(0, irqbase + SA1111_WAKEEN1); |
| 836 | 842 | ||
| 837 | clk_disable(sachip->clk); | 843 | clk_disable(sachip->clk); |
| 844 | clk_unprepare(sachip->clk); | ||
| 838 | 845 | ||
| 839 | if (sachip->irq != NO_IRQ) { | 846 | if (sachip->irq != NO_IRQ) { |
| 840 | irq_set_chained_handler(sachip->irq, NULL); | 847 | irq_set_chained_handler(sachip->irq, NULL); |
| @@ -12,11 +12,12 @@ · 11 unmodified lines | |||
| 12 | */ | 12 | */ |
| 13 | 13 | ||
| 14 | #include <linux/device.h> | 14 | #include <linux/device.h> |
| 15 | #include <linux/gpio.h> | ||
| 15 | #include <linux/string.h> | 16 | #include <linux/string.h> |
| 16 | #include <linux/slab.h> | 17 | #include <linux/slab.h> |
| 17 | #include <linux/platform_device.h> | 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/export.h> | ||
| 18 | #include <linux/io.h> | 20 | #include <linux/io.h> |
| 19 | #include <asm/gpio.h> | ||
| 20 | #include <asm/hardware/scoop.h> | 21 | #include <asm/hardware/scoop.h> |
| 21 | 22 | ||
| 22 | /* PCMCIA to Scoop linkage | 23 | /* PCMCIA to Scoop linkage |
| @@ -41,9 +41,17 @@ static long __init sp804_get_clock_rate(const char *name) · 40 unmodified lines | |||
| 41 | return PTR_ERR(clk); | 41 | return PTR_ERR(clk); |
| 42 | } | 42 | } |
| 43 | 43 | ||
| 44 | err = clk_prepare(clk); | ||
| 45 | if (err) { | ||
| 46 | pr_err("sp804: %s clock failed to prepare: %d\n", name, err); | ||
| 47 | clk_put(clk); | ||
| 48 | return err; | ||
| 49 | } | ||
| 50 | |||
| 44 | err = clk_enable(clk); | 51 | err = clk_enable(clk); |
| 45 | if (err) { | 52 | if (err) { |
| 46 | pr_err("sp804: %s clock failed to enable: %d\n", name, err); | 53 | pr_err("sp804: %s clock failed to enable: %d\n", name, err); |
| 54 | clk_unprepare(clk); | ||
| 47 | clk_put(clk); | 55 | clk_put(clk); |
| 48 | return err; | 56 | return err; |
| 49 | } | 57 | } |
| @@ -52,6 +60,7 @@ static long __init sp804_get_clock_rate(const char *name) · 2 unmodified lines | |||
| 52 | if (rate < 0) { | 60 | if (rate < 0) { |
| 53 | pr_err("sp804: %s clock failed to get rate: %ld\n", name, rate); | 61 | pr_err("sp804: %s clock failed to get rate: %ld\n", name, rate); |
| 54 | clk_disable(clk); | 62 | clk_disable(clk); |
| 63 | clk_unprepare(clk); | ||
| 55 | clk_put(clk); | 64 | clk_put(clk); |
| 56 | } | 65 | } |
| 57 | 66 | ||
| @@ -0,0 +1,214 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | # CONFIG_LOCALVERSION_AUTO is not set | ||
| 3 | # CONFIG_SWAP is not set | ||
| 4 | CONFIG_SYSVIPC=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_SYSFS_DEPRECATED=y | ||
| 7 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 8 | CONFIG_BLK_DEV_INITRD=y | ||
| 9 | CONFIG_CC_OPTIMIZE_FOR_SIZE=y | ||
| 10 | CONFIG_EMBEDDED=y | ||
| 11 | CONFIG_SLAB=y | ||
| 12 | CONFIG_MODULES=y | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | # CONFIG_LBDAF is not set | ||
| 15 | # CONFIG_BLK_DEV_BSG is not set | ||
| 16 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 17 | # CONFIG_IOSCHED_CFQ is not set | ||
| 18 | CONFIG_ARCH_AT91=y | ||
| 19 | CONFIG_ARCH_AT91SAM9G45=y | ||
| 20 | CONFIG_MACH_AT91SAM9M10G45EK=y | ||
| 21 | CONFIG_AT91_PROGRAMMABLE_CLOCKS=y | ||
| 22 | CONFIG_AT91_SLOW_CLOCK=y | ||
| 23 | CONFIG_AEABI=y | ||
| 24 | # CONFIG_OABI_COMPAT is not set | ||
| 25 | CONFIG_LEDS=y | ||
| 26 | CONFIG_LEDS_CPU=y | ||
| 27 | CONFIG_UACCESS_WITH_MEMCPY=y | ||
| 28 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 29 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 30 | CONFIG_CMDLINE="mem=128M console=ttyS0,115200 initrd=0x71100000,25165824 root=/dev/ram0 rw" | ||
| 31 | CONFIG_AUTO_ZRELADDR=y | ||
| 32 | # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set | ||
| 33 | CONFIG_NET=y | ||
| 34 | CONFIG_PACKET=y | ||
| 35 | CONFIG_UNIX=y | ||
| 36 | CONFIG_INET=y | ||
| 37 | CONFIG_IP_MULTICAST=y | ||
| 38 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 39 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 40 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 41 | # CONFIG_INET_DIAG is not set | ||
| 42 | CONFIG_IPV6=y | ||
| 43 | # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set | ||
| 44 | # CONFIG_INET6_XFRM_MODE_TUNNEL is not set | ||
| 45 | # CONFIG_INET6_XFRM_MODE_BEET is not set | ||
| 46 | CONFIG_IPV6_SIT_6RD=y | ||
| 47 | CONFIG_CFG80211=y | ||
| 48 | CONFIG_LIB80211=y | ||
| 49 | CONFIG_MAC80211=y | ||
| 50 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 51 | CONFIG_DEVTMPFS=y | ||
| 52 | CONFIG_DEVTMPFS_MOUNT=y | ||
| 53 | # CONFIG_STANDALONE is not set | ||
| 54 | # CONFIG_PREVENT_FIRMWARE_BUILD is not set | ||
| 55 | CONFIG_MTD=y | ||
| 56 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 57 | CONFIG_MTD_CHAR=y | ||
| 58 | CONFIG_MTD_BLOCK=y | ||
| 59 | CONFIG_MTD_DATAFLASH=y | ||
| 60 | CONFIG_MTD_NAND=y | ||
| 61 | CONFIG_MTD_NAND_ATMEL=y | ||
| 62 | CONFIG_MTD_UBI=y | ||
| 63 | CONFIG_BLK_DEV_LOOP=y | ||
| 64 | CONFIG_BLK_DEV_RAM=y | ||
| 65 | CONFIG_BLK_DEV_RAM_COUNT=4 | ||
| 66 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 67 | CONFIG_MISC_DEVICES=y | ||
| 68 | CONFIG_ATMEL_PWM=y | ||
| 69 | CONFIG_ATMEL_TCLIB=y | ||
| 70 | CONFIG_SCSI=y | ||
| 71 | CONFIG_BLK_DEV_SD=y | ||
| 72 | CONFIG_SCSI_MULTI_LUN=y | ||
| 73 | # CONFIG_SCSI_LOWLEVEL is not set | ||
| 74 | CONFIG_NETDEVICES=y | ||
| 75 | CONFIG_MII=y | ||
| 76 | CONFIG_DAVICOM_PHY=y | ||
| 77 | CONFIG_NET_ETHERNET=y | ||
| 78 | CONFIG_MACB=y | ||
| 79 | # CONFIG_NETDEV_1000 is not set | ||
| 80 | # CONFIG_NETDEV_10000 is not set | ||
| 81 | CONFIG_LIBERTAS_THINFIRM=m | ||
| 82 | CONFIG_LIBERTAS_THINFIRM_USB=m | ||
| 83 | CONFIG_AT76C50X_USB=m | ||
| 84 | CONFIG_USB_ZD1201=m | ||
| 85 | CONFIG_RTL8187=m | ||
| 86 | CONFIG_ATH_COMMON=m | ||
| 87 | CONFIG_ATH9K=m | ||
| 88 | CONFIG_CARL9170=m | ||
| 89 | CONFIG_B43=m | ||
| 90 | CONFIG_B43_PHY_N=y | ||
| 91 | CONFIG_LIBERTAS=m | ||
| 92 | CONFIG_LIBERTAS_USB=m | ||
| 93 | CONFIG_LIBERTAS_SDIO=m | ||
| 94 | CONFIG_LIBERTAS_SPI=m | ||
| 95 | CONFIG_RT2X00=m | ||
| 96 | CONFIG_RT2500USB=m | ||
| 97 | CONFIG_RT73USB=m | ||
| 98 | CONFIG_RT2800USB=m | ||
| 99 | CONFIG_RT2800USB_RT53XX=y | ||
| 100 | CONFIG_RT2800USB_UNKNOWN=y | ||
| 101 | CONFIG_RTL8192CU=m | ||
| 102 | CONFIG_WL1251=m | ||
| 103 | CONFIG_WL1251_SDIO=m | ||
| 104 | CONFIG_WL12XX_MENU=m | ||
| 105 | CONFIG_WL12XX=m | ||
| 106 | CONFIG_WL12XX_SDIO=m | ||
| 107 | CONFIG_ZD1211RW=m | ||
| 108 | CONFIG_MWIFIEX=m | ||
| 109 | CONFIG_MWIFIEX_SDIO=m | ||
| 110 | CONFIG_INPUT_POLLDEV=m | ||
| 111 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 112 | CONFIG_INPUT_MOUSEDEV_SCREEN_X=480 | ||
| 113 | CONFIG_INPUT_MOUSEDEV_SCREEN_Y=272 | ||
| 114 | CONFIG_INPUT_JOYDEV=y | ||
| 115 | CONFIG_INPUT_EVDEV=y | ||
| 116 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 117 | CONFIG_KEYBOARD_QT1070=m | ||
| 118 | CONFIG_KEYBOARD_QT2160=m | ||
| 119 | CONFIG_KEYBOARD_GPIO=y | ||
| 120 | # CONFIG_INPUT_MOUSE is not set | ||
| 121 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 122 | CONFIG_TOUCHSCREEN_ATMEL_MXT=m | ||
| 123 | CONFIG_TOUCHSCREEN_ATMEL_TSADCC=y | ||
| 124 | # CONFIG_SERIO is not set | ||
| 125 | CONFIG_LEGACY_PTY_COUNT=4 | ||
| 126 | CONFIG_SERIAL_ATMEL=y | ||
| 127 | CONFIG_SERIAL_ATMEL_CONSOLE=y | ||
| 128 | CONFIG_HW_RANDOM=y | ||
| 129 | CONFIG_I2C=y | ||
| 130 | CONFIG_I2C_GPIO=y | ||
| 131 | CONFIG_SPI=y | ||
| 132 | CONFIG_SPI_ATMEL=y | ||
| 133 | # CONFIG_HWMON is not set | ||
| 134 | # CONFIG_MFD_SUPPORT is not set | ||
| 135 | CONFIG_FB=y | ||
| 136 | CONFIG_FB_ATMEL=y | ||
| 137 | CONFIG_FB_UDL=m | ||
| 138 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 139 | # CONFIG_LCD_CLASS_DEVICE is not set | ||
| 140 | CONFIG_BACKLIGHT_CLASS_DEVICE=y | ||
| 141 | CONFIG_BACKLIGHT_ATMEL_LCDC=y | ||
| 142 | # CONFIG_BACKLIGHT_GENERIC is not set | ||
| 143 | CONFIG_SOUND=y | ||
| 144 | CONFIG_SND=y | ||
| 145 | CONFIG_SND_SEQUENCER=y | ||
| 146 | CONFIG_SND_MIXER_OSS=y | ||
| 147 | CONFIG_SND_PCM_OSS=y | ||
| 148 | # CONFIG_SND_SUPPORT_OLD_API is not set | ||
| 149 | # CONFIG_SND_VERBOSE_PROCFS is not set | ||
| 150 | # CONFIG_SND_DRIVERS is not set | ||
| 151 | # CONFIG_SND_ARM is not set | ||
| 152 | CONFIG_SND_ATMEL_AC97C=y | ||
| 153 | # CONFIG_SND_SPI is not set | ||
| 154 | CONFIG_SND_USB_AUDIO=m | ||
| 155 | # CONFIG_USB_HID is not set | ||
| 156 | CONFIG_USB=y | ||
| 157 | CONFIG_USB_ANNOUNCE_NEW_DEVICES=y | ||
| 158 | CONFIG_USB_DEVICEFS=y | ||
| 159 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 160 | CONFIG_USB_EHCI_HCD=y | ||
| 161 | CONFIG_USB_OHCI_HCD=y | ||
| 162 | CONFIG_USB_ACM=y | ||
| 163 | CONFIG_USB_STORAGE=y | ||
| 164 | CONFIG_USB_GADGET=y | ||
| 165 | CONFIG_USB_ATMEL_USBA=m | ||
| 166 | CONFIG_USB_ZERO=m | ||
| 167 | CONFIG_USB_AUDIO=m | ||
| 168 | CONFIG_USB_ETH=m | ||
| 169 | CONFIG_USB_ETH_EEM=y | ||
| 170 | CONFIG_USB_MASS_STORAGE=m | ||
| 171 | CONFIG_USB_G_SERIAL=m | ||
| 172 | CONFIG_USB_CDC_COMPOSITE=m | ||
| 173 | CONFIG_USB_G_MULTI=m | ||
| 174 | CONFIG_USB_G_MULTI_CDC=y | ||
| 175 | CONFIG_MMC=y | ||
| 176 | # CONFIG_MMC_BLOCK_BOUNCE is not set | ||
| 177 | CONFIG_SDIO_UART=m | ||
| 178 | CONFIG_MMC_ATMELMCI=y | ||
| 179 | CONFIG_MMC_ATMELMCI_DMA=y | ||
| 180 | CONFIG_LEDS_ATMEL_PWM=y | ||
| 181 | CONFIG_LEDS_GPIO=y | ||
| 182 | CONFIG_LEDS_TRIGGER_TIMER=y | ||
| 183 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | ||
| 184 | CONFIG_LEDS_TRIGGER_GPIO=y | ||
| 185 | CONFIG_RTC_CLASS=y | ||
| 186 | CONFIG_RTC_DRV_AT91RM9200=y | ||
| 187 | CONFIG_DMADEVICES=y | ||
| 188 | CONFIG_AT_HDMAC=y | ||
| 189 | CONFIG_DMATEST=m | ||
| 190 | # CONFIG_IOMMU_SUPPORT is not set | ||
| 191 | CONFIG_EXT2_FS=y | ||
| 192 | CONFIG_FANOTIFY=y | ||
| 193 | CONFIG_VFAT_FS=y | ||
| 194 | CONFIG_TMPFS=y | ||
| 195 | CONFIG_JFFS2_FS=y | ||
| 196 | CONFIG_JFFS2_SUMMARY=y | ||
| 197 | CONFIG_CRAMFS=m | ||
| 198 | CONFIG_SQUASHFS=m | ||
| 199 | CONFIG_SQUASHFS_EMBEDDED=y | ||
| 200 | CONFIG_NFS_FS=y | ||
| 201 | CONFIG_NFS_V3=y | ||
| 202 | CONFIG_NLS_CODEPAGE_437=y | ||
| 203 | CONFIG_NLS_CODEPAGE_850=y | ||
| 204 | CONFIG_NLS_ISO8859_1=y | ||
| 205 | CONFIG_STRIP_ASM_SYMS=y | ||
| 206 | # CONFIG_SCHED_DEBUG is not set | ||
| 207 | CONFIG_DEBUG_MEMORY_INIT=y | ||
| 208 | # CONFIG_FTRACE is not set | ||
| 209 | CONFIG_DEBUG_USER=y | ||
| 210 | CONFIG_CRYPTO_ECB=y | ||
| 211 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | ||
| 212 | CONFIG_CRYPTO_USER_API_HASH=m | ||
| 213 | CONFIG_CRYPTO_USER_API_SKCIPHER=m | ||
| 214 | # CONFIG_CRYPTO_HW is not set | ||
| @@ -4,18 +4,18 @@ CONFIG_KALLSYMS_ALL=y · 3 unmodified lines | |||
| 4 | CONFIG_MODULES=y | 4 | CONFIG_MODULES=y |
| 5 | CONFIG_MODULE_UNLOAD=y | 5 | CONFIG_MODULE_UNLOAD=y |
| 6 | # CONFIG_BLK_DEV_BSG is not set | 6 | # CONFIG_BLK_DEV_BSG is not set |
| 7 | CONFIG_ARCH_EXYNOS4=y | 7 | CONFIG_ARCH_EXYNOS=y |
| 8 | CONFIG_S3C_LOWLEVEL_UART_PORT=1 | 8 | CONFIG_S3C_LOWLEVEL_UART_PORT=1 |
| 9 | CONFIG_MACH_SMDKC210=y | 9 | CONFIG_MACH_SMDKC210=y |
| 10 | CONFIG_MACH_SMDKV310=y | ||
| 11 | CONFIG_MACH_ARMLEX4210=y | 10 | CONFIG_MACH_ARMLEX4210=y |
| 12 | CONFIG_MACH_UNIVERSAL_C210=y | 11 | CONFIG_MACH_UNIVERSAL_C210=y |
| 13 | CONFIG_MACH_NURI=y | 12 | CONFIG_MACH_NURI=y |
| 13 | CONFIG_MACH_ORIGEN=y | ||
| 14 | CONFIG_MACH_SMDK4412=y | ||
| 14 | CONFIG_NO_HZ=y | 15 | CONFIG_NO_HZ=y |
| 15 | CONFIG_HIGH_RES_TIMERS=y | 16 | CONFIG_HIGH_RES_TIMERS=y |
| 16 | CONFIG_SMP=y | 17 | CONFIG_SMP=y |
| 17 | CONFIG_NR_CPUS=2 | 18 | CONFIG_NR_CPUS=2 |
| 18 | CONFIG_HOTPLUG_CPU=y | ||
| 19 | CONFIG_PREEMPT=y | 19 | CONFIG_PREEMPT=y |
| 20 | CONFIG_AEABI=y | 20 | CONFIG_AEABI=y |
| 21 | CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" | 21 | CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" |
| @@ -60,13 +60,9 @@ CONFIG_DETECT_HUNG_TASK=y · 38 unmodified lines | |||
| 60 | CONFIG_DEBUG_RT_MUTEXES=y | 60 | CONFIG_DEBUG_RT_MUTEXES=y |
| 61 | CONFIG_DEBUG_SPINLOCK=y | 61 | CONFIG_DEBUG_SPINLOCK=y |
| 62 | CONFIG_DEBUG_MUTEXES=y | 62 | CONFIG_DEBUG_MUTEXES=y |
| 63 | CONFIG_DEBUG_SPINLOCK_SLEEP=y | ||
| 64 | CONFIG_DEBUG_INFO=y | 63 | CONFIG_DEBUG_INFO=y |
| 65 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 66 | CONFIG_SYSCTL_SYSCALL_CHECK=y | 64 | CONFIG_SYSCTL_SYSCALL_CHECK=y |
| 67 | CONFIG_DEBUG_USER=y | 65 | CONFIG_DEBUG_USER=y |
| 68 | CONFIG_DEBUG_ERRORS=y | ||
| 69 | CONFIG_DEBUG_LL=y | 66 | CONFIG_DEBUG_LL=y |
| 70 | CONFIG_EARLY_PRINTK=y | 67 | CONFIG_EARLY_PRINTK=y |
| 71 | CONFIG_DEBUG_S3C_UART=1 | ||
| 72 | CONFIG_CRC_CCITT=y | 68 | CONFIG_CRC_CCITT=y |
| @@ -3,9 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_POSIX_MQUEUE=y | 4 | CONFIG_POSIX_MQUEUE=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | ||
| 7 | CONFIG_EXPERT=y | 6 | CONFIG_EXPERT=y |
| 8 | CONFIG_KALLSYMS_EXTRA_PASS=y | ||
| 9 | # CONFIG_COMPAT_BRK is not set | 7 | # CONFIG_COMPAT_BRK is not set |
| 10 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| 11 | CONFIG_PROFILING=y | 9 | CONFIG_PROFILING=y |
| @@ -17,8 +15,12 @@ CONFIG_MODULE_UNLOAD=y · 5 unmodified lines | |||
| 17 | # CONFIG_IOSCHED_DEADLINE is not set | 15 | # CONFIG_IOSCHED_DEADLINE is not set |
| 18 | # CONFIG_IOSCHED_CFQ is not set | 16 | # CONFIG_IOSCHED_CFQ is not set |
| 19 | CONFIG_ARCH_MXC=y | 17 | CONFIG_ARCH_MXC=y |
| 20 | CONFIG_ARCH_MX2=y | 18 | CONFIG_ARCH_IMX_V4_V5=y |
| 21 | CONFIG_MACH_MX27=y | 19 | CONFIG_ARCH_MX1ADS=y |
| 20 | CONFIG_MACH_SCB9328=y | ||
| 21 | CONFIG_MACH_MX21ADS=y | ||
| 22 | CONFIG_MACH_MX25_3DS=y | ||
| 23 | CONFIG_MACH_EUKREA_CPUIMX25=y | ||
| 22 | CONFIG_MACH_MX27ADS=y | 24 | CONFIG_MACH_MX27ADS=y |
| 23 | CONFIG_MACH_PCM038=y | 25 | CONFIG_MACH_PCM038=y |
| 24 | CONFIG_MACH_CPUIMX27=y | 26 | CONFIG_MACH_CPUIMX27=y |
| @@ -29,6 +31,7 @@ CONFIG_MACH_IMX27_VISSTRIM_M10=y · 4 unmodified lines | |||
| 29 | CONFIG_MACH_IMX27LITE=y | 31 | CONFIG_MACH_IMX27LITE=y |
| 30 | CONFIG_MACH_PCA100=y | 32 | CONFIG_MACH_PCA100=y |
| 31 | CONFIG_MACH_MXT_TD60=y | 33 | CONFIG_MACH_MXT_TD60=y |
| 34 | CONFIG_MACH_IMX27IPCAM=y | ||
| 32 | CONFIG_MXC_IRQ_PRIOR=y | 35 | CONFIG_MXC_IRQ_PRIOR=y |
| 33 | CONFIG_MXC_PWM=y | 36 | CONFIG_MXC_PWM=y |
| 34 | CONFIG_NO_HZ=y | 37 | CONFIG_NO_HZ=y |
| @@ -39,7 +42,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0 · 4 unmodified lines | |||
| 39 | CONFIG_ZBOOT_ROM_BSS=0x0 | 42 | CONFIG_ZBOOT_ROM_BSS=0x0 |
| 40 | CONFIG_FPE_NWFPE=y | 43 | CONFIG_FPE_NWFPE=y |
| 41 | CONFIG_FPE_NWFPE_XP=y | 44 | CONFIG_FPE_NWFPE_XP=y |
| 42 | CONFIG_PM=y | ||
| 43 | CONFIG_PM_DEBUG=y | 45 | CONFIG_PM_DEBUG=y |
| 44 | CONFIG_NET=y | 46 | CONFIG_NET=y |
| 45 | CONFIG_PACKET=y | 47 | CONFIG_PACKET=y |
| @@ -55,8 +57,9 @@ CONFIG_IP_PNP_DHCP=y · 9 unmodified lines | |||
| 55 | # CONFIG_INET_DIAG is not set | 57 | # CONFIG_INET_DIAG is not set |
| 56 | # CONFIG_IPV6 is not set | 58 | # CONFIG_IPV6 is not set |
| 57 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | 59 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" |
| 60 | CONFIG_DEVTMPFS=y | ||
| 61 | CONFIG_DEVTMPFS_MOUNT=y | ||
| 58 | CONFIG_MTD=y | 62 | CONFIG_MTD=y |
| 59 | CONFIG_MTD_PARTITIONS=y | ||
| 60 | CONFIG_MTD_CMDLINE_PARTS=y | 63 | CONFIG_MTD_CMDLINE_PARTS=y |
| 61 | CONFIG_MTD_CHAR=y | 64 | CONFIG_MTD_CHAR=y |
| 62 | CONFIG_MTD_BLOCK=y | 65 | CONFIG_MTD_BLOCK=y |
| @@ -69,12 +72,15 @@ CONFIG_MTD_CFI_GEOMETRY=y · 6 unmodified lines | |||
| 69 | CONFIG_MTD_CFI_INTELEXT=y | 72 | CONFIG_MTD_CFI_INTELEXT=y |
| 70 | CONFIG_MTD_PHYSMAP=y | 73 | CONFIG_MTD_PHYSMAP=y |
| 71 | CONFIG_MTD_NAND=y | 74 | CONFIG_MTD_NAND=y |
| 72 | CONFIG_MTD_NAND_MXC=y | ||
| 73 | CONFIG_MTD_UBI=y | 75 | CONFIG_MTD_UBI=y |
| 76 | CONFIG_MISC_DEVICES=y | ||
| 74 | CONFIG_EEPROM_AT24=y | 77 | CONFIG_EEPROM_AT24=y |
| 78 | CONFIG_EEPROM_AT25=y | ||
| 75 | CONFIG_NETDEVICES=y | 79 | CONFIG_NETDEVICES=y |
| 76 | CONFIG_NET_ETHERNET=y | 80 | CONFIG_NET_ETHERNET=y |
| 77 | CONFIG_FEC=y | 81 | CONFIG_SMC91X=y |
| 82 | CONFIG_DM9000=y | ||
| 83 | CONFIG_SMC911X=y | ||
| 78 | # CONFIG_NETDEV_1000 is not set | 84 | # CONFIG_NETDEV_1000 is not set |
| 79 | # CONFIG_NETDEV_10000 is not set | 85 | # CONFIG_NETDEV_10000 is not set |
| 80 | # CONFIG_INPUT_MOUSEDEV is not set | 86 | # CONFIG_INPUT_MOUSEDEV is not set |
| @@ -84,10 +90,10 @@ CONFIG_INPUT_EVDEV=y · 3 unmodified lines | |||
| 84 | CONFIG_INPUT_TOUCHSCREEN=y | 90 | CONFIG_INPUT_TOUCHSCREEN=y |
| 85 | CONFIG_TOUCHSCREEN_ADS7846=m | 91 | CONFIG_TOUCHSCREEN_ADS7846=m |
| 86 | # CONFIG_SERIO is not set | 92 | # CONFIG_SERIO is not set |
| 93 | # CONFIG_LEGACY_PTYS is not set | ||
| 87 | CONFIG_SERIAL_8250=m | 94 | CONFIG_SERIAL_8250=m |
| 88 | CONFIG_SERIAL_IMX=y | 95 | CONFIG_SERIAL_IMX=y |
| 89 | CONFIG_SERIAL_IMX_CONSOLE=y | 96 | CONFIG_SERIAL_IMX_CONSOLE=y |
| 90 | # CONFIG_LEGACY_PTYS is not set | ||
| 91 | # CONFIG_HW_RANDOM is not set | 97 | # CONFIG_HW_RANDOM is not set |
| 92 | CONFIG_I2C=y | 98 | CONFIG_I2C=y |
| 93 | CONFIG_I2C_CHARDEV=y | 99 | CONFIG_I2C_CHARDEV=y |
| @@ -98,19 +104,56 @@ CONFIG_W1=y · 4 unmodified lines | |||
| 98 | CONFIG_W1_MASTER_MXC=y | 104 | CONFIG_W1_MASTER_MXC=y |
| 99 | CONFIG_W1_SLAVE_THERM=y | 105 | CONFIG_W1_SLAVE_THERM=y |
| 100 | # CONFIG_HWMON is not set | 106 | # CONFIG_HWMON is not set |
| 107 | CONFIG_WATCHDOG=y | ||
| 108 | CONFIG_IMX2_WDT=y | ||
| 109 | CONFIG_MFD_MC13XXX=y | ||
| 110 | CONFIG_REGULATOR=y | ||
| 111 | CONFIG_REGULATOR_MC13783=y | ||
| 112 | CONFIG_REGULATOR_MC13892=y | ||
| 101 | CONFIG_FB=y | 113 | CONFIG_FB=y |
| 102 | CONFIG_FB_IMX=y | 114 | CONFIG_FB_IMX=y |
| 115 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 116 | CONFIG_LCD_CLASS_DEVICE=y | ||
| 117 | CONFIG_BACKLIGHT_CLASS_DEVICE=y | ||
| 118 | CONFIG_BACKLIGHT_PWM=y | ||
| 103 | CONFIG_FRAMEBUFFER_CONSOLE=y | 119 | CONFIG_FRAMEBUFFER_CONSOLE=y |
| 104 | CONFIG_FONTS=y | 120 | CONFIG_FONTS=y |
| 105 | CONFIG_FONT_8x8=y | 121 | CONFIG_FONT_8x8=y |
| 106 | # CONFIG_HID_SUPPORT is not set | 122 | CONFIG_LOGO=y |
| 107 | CONFIG_USB=m | 123 | CONFIG_SOUND=y |
| 124 | CONFIG_SND=y | ||
| 125 | # CONFIG_SND_ARM is not set | ||
| 126 | # CONFIG_SND_SPI is not set | ||
| 127 | CONFIG_SND_SOC=y | ||
| 128 | CONFIG_SND_IMX_SOC=y | ||
| 129 | CONFIG_SND_SOC_MX27VIS_AIC32X4=y | ||
| 130 | CONFIG_SND_SOC_PHYCORE_AC97=y | ||
| 131 | CONFIG_SND_SOC_EUKREA_TLV320=y | ||
| 132 | CONFIG_USB_HID=m | ||
| 133 | CONFIG_USB=y | ||
| 108 | # CONFIG_USB_DEVICE_CLASS is not set | 134 | # CONFIG_USB_DEVICE_CLASS is not set |
| 135 | CONFIG_USB_EHCI_HCD=y | ||
| 136 | CONFIG_USB_EHCI_MXC=y | ||
| 109 | CONFIG_USB_ULPI=y | 137 | CONFIG_USB_ULPI=y |
| 110 | CONFIG_MMC=y | 138 | CONFIG_MMC=y |
| 111 | CONFIG_MMC_MXC=y | 139 | CONFIG_MMC_MXC=y |
| 140 | CONFIG_NEW_LEDS=y | ||
| 141 | CONFIG_LEDS_CLASS=y | ||
| 142 | CONFIG_LEDS_MC13783=y | ||
| 143 | CONFIG_LEDS_TRIGGERS=y | ||
| 144 | CONFIG_LEDS_TRIGGER_TIMER=y | ||
| 145 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | ||
| 146 | CONFIG_LEDS_TRIGGER_BACKLIGHT=y | ||
| 147 | CONFIG_LEDS_TRIGGER_GPIO=y | ||
| 148 | CONFIG_LEDS_TRIGGER_DEFAULT_ON=y | ||
| 112 | CONFIG_RTC_CLASS=y | 149 | CONFIG_RTC_CLASS=y |
| 113 | CONFIG_RTC_DRV_PCF8563=y | 150 | CONFIG_RTC_DRV_PCF8563=y |
| 151 | CONFIG_RTC_DRV_IMXDI=y | ||
| 152 | CONFIG_RTC_MXC=y | ||
| 153 | CONFIG_DMADEVICES=y | ||
| 154 | CONFIG_IMX_SDMA=y | ||
| 155 | CONFIG_IMX_DMA=y | ||
| 156 | # CONFIG_IOMMU_SUPPORT is not set | ||
| 114 | # CONFIG_DNOTIFY is not set | 157 | # CONFIG_DNOTIFY is not set |
| 115 | # CONFIG_PROC_PAGE_MONITOR is not set | 158 | # CONFIG_PROC_PAGE_MONITOR is not set |
| 116 | CONFIG_TMPFS=y | 159 | CONFIG_TMPFS=y |
| @@ -119,12 +162,9 @@ CONFIG_UBIFS_FS=y · 2 unmodified lines | |||
| 119 | CONFIG_NFS_FS=y | 162 | CONFIG_NFS_FS=y |
| 120 | CONFIG_NFS_V3=y | 163 | CONFIG_NFS_V3=y |
| 121 | CONFIG_ROOT_NFS=y | 164 | CONFIG_ROOT_NFS=y |
| 122 | CONFIG_NLS=y | ||
| 123 | CONFIG_NLS_CODEPAGE_437=m | 165 | CONFIG_NLS_CODEPAGE_437=m |
| 124 | CONFIG_NLS_CODEPAGE_850=m | 166 | CONFIG_NLS_CODEPAGE_850=m |
| 125 | CONFIG_NLS_ISO8859_1=y | 167 | CONFIG_NLS_ISO8859_1=y |
| 126 | CONFIG_NLS_ISO8859_15=m | 168 | CONFIG_NLS_ISO8859_15=m |
| 127 | CONFIG_DEBUG_FS=y | ||
| 128 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 129 | CONFIG_SYSCTL_SYSCALL_CHECK=y | 169 | CONFIG_SYSCTL_SYSCALL_CHECK=y |
| 130 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | 170 | # CONFIG_CRYPTO_ANSI_CPRNG is not set |
| @@ -1,91 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_IKCONFIG=y | ||
| 4 | CONFIG_IKCONFIG_PROC=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 7 | CONFIG_EXPERT=y | ||
| 8 | CONFIG_SLAB=y | ||
| 9 | CONFIG_MODULES=y | ||
| 10 | CONFIG_MODULE_UNLOAD=y | ||
| 11 | CONFIG_MODULE_FORCE_UNLOAD=y | ||
| 12 | CONFIG_MODVERSIONS=y | ||
| 13 | # CONFIG_BLK_DEV_BSG is not set | ||
| 14 | CONFIG_ARCH_MXC=y | ||
| 15 | CONFIG_ARCH_MX1=y | ||
| 16 | CONFIG_ARCH_MX1ADS=y | ||
| 17 | CONFIG_MACH_SCB9328=y | ||
| 18 | CONFIG_MACH_APF9328=y | ||
| 19 | CONFIG_MXC_IRQ_PRIOR=y | ||
| 20 | CONFIG_NO_HZ=y | ||
| 21 | CONFIG_HIGH_RES_TIMERS=y | ||
| 22 | CONFIG_PREEMPT=y | ||
| 23 | CONFIG_AEABI=y | ||
| 24 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 25 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 26 | CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" | ||
| 27 | CONFIG_PM=y | ||
| 28 | CONFIG_PM_DEBUG=y | ||
| 29 | CONFIG_NET=y | ||
| 30 | CONFIG_PACKET=y | ||
| 31 | CONFIG_UNIX=y | ||
| 32 | CONFIG_INET=y | ||
| 33 | CONFIG_IP_PNP=y | ||
| 34 | CONFIG_IP_PNP_DHCP=y | ||
| 35 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 36 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 37 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 38 | # CONFIG_INET_LRO is not set | ||
| 39 | # CONFIG_INET_DIAG is not set | ||
| 40 | # CONFIG_IPV6 is not set | ||
| 41 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 42 | CONFIG_FW_LOADER=m | ||
| 43 | CONFIG_MTD=y | ||
| 44 | CONFIG_MTD_PARTITIONS=y | ||
| 45 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 46 | CONFIG_MTD_CHAR=y | ||
| 47 | CONFIG_MTD_BLOCK=y | ||
| 48 | CONFIG_MTD_CFI=y | ||
| 49 | CONFIG_MTD_PHYSMAP=y | ||
| 50 | # CONFIG_BLK_DEV is not set | ||
| 51 | # CONFIG_MISC_DEVICES is not set | ||
| 52 | CONFIG_NETDEVICES=y | ||
| 53 | CONFIG_PHYLIB=y | ||
| 54 | CONFIG_SMSC_PHY=y | ||
| 55 | CONFIG_NET_ETHERNET=y | ||
| 56 | CONFIG_DM9000=y | ||
| 57 | # CONFIG_NETDEV_1000 is not set | ||
| 58 | # CONFIG_NETDEV_10000 is not set | ||
| 59 | # CONFIG_INPUT is not set | ||
| 60 | # CONFIG_SERIO is not set | ||
| 61 | # CONFIG_VT is not set | ||
| 62 | CONFIG_SERIAL_IMX=y | ||
| 63 | CONFIG_SERIAL_IMX_CONSOLE=y | ||
| 64 | # CONFIG_LEGACY_PTYS is not set | ||
| 65 | # CONFIG_HW_RANDOM is not set | ||
| 66 | CONFIG_I2C=y | ||
| 67 | CONFIG_I2C_CHARDEV=y | ||
| 68 | CONFIG_I2C_IMX=y | ||
| 69 | CONFIG_W1=y | ||
| 70 | CONFIG_W1_MASTER_MXC=y | ||
| 71 | CONFIG_W1_SLAVE_THERM=y | ||
| 72 | # CONFIG_HWMON is not set | ||
| 73 | CONFIG_FB=y | ||
| 74 | CONFIG_USB_GADGET=y | ||
| 75 | CONFIG_USB_GADGET_IMX=y | ||
| 76 | CONFIG_USB_ETH=m | ||
| 77 | CONFIG_MMC=y | ||
| 78 | CONFIG_MMC_MXC=y | ||
| 79 | # CONFIG_DNOTIFY is not set | ||
| 80 | CONFIG_INOTIFY=y | ||
| 81 | CONFIG_TMPFS=y | ||
| 82 | CONFIG_JFFS2_FS=y | ||
| 83 | CONFIG_NFS_FS=y | ||
| 84 | CONFIG_NFS_V3=y | ||
| 85 | CONFIG_NFS_V4=y | ||
| 86 | CONFIG_ROOT_NFS=y | ||
| 87 | # CONFIG_ENABLE_WARN_DEPRECATED is not set | ||
| 88 | # CONFIG_ENABLE_MUST_CHECK is not set | ||
| 89 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 90 | CONFIG_SYSCTL_SYSCALL_CHECK=y | ||
| 91 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | ||
| @@ -1,97 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | # CONFIG_SWAP is not set | ||
| 3 | CONFIG_SYSVIPC=y | ||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | ||
| 7 | CONFIG_EXPERT=y | ||
| 8 | CONFIG_KALLSYMS_EXTRA_PASS=y | ||
| 9 | CONFIG_SLAB=y | ||
| 10 | CONFIG_MODULES=y | ||
| 11 | CONFIG_MODULE_UNLOAD=y | ||
| 12 | # CONFIG_BLK_DEV_BSG is not set | ||
| 13 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 14 | # CONFIG_IOSCHED_CFQ is not set | ||
| 15 | CONFIG_ARCH_MXC=y | ||
| 16 | CONFIG_ARCH_MX2=y | ||
| 17 | CONFIG_MACH_MX21ADS=y | ||
| 18 | CONFIG_MXC_PWM=y | ||
| 19 | CONFIG_NO_HZ=y | ||
| 20 | CONFIG_HIGH_RES_TIMERS=y | ||
| 21 | CONFIG_PREEMPT=y | ||
| 22 | CONFIG_AEABI=y | ||
| 23 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 24 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 25 | CONFIG_NET=y | ||
| 26 | CONFIG_INET=y | ||
| 27 | CONFIG_IP_PNP=y | ||
| 28 | CONFIG_IP_PNP_DHCP=y | ||
| 29 | CONFIG_IP_PNP_BOOTP=y | ||
| 30 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 31 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 32 | # CONFIG_INET_LRO is not set | ||
| 33 | # CONFIG_INET_DIAG is not set | ||
| 34 | # CONFIG_IPV6 is not set | ||
| 35 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 36 | # CONFIG_FW_LOADER is not set | ||
| 37 | CONFIG_MTD=y | ||
| 38 | CONFIG_MTD_DEBUG=y | ||
| 39 | CONFIG_MTD_DEBUG_VERBOSE=3 | ||
| 40 | CONFIG_MTD_PARTITIONS=y | ||
| 41 | CONFIG_MTD_REDBOOT_PARTS=y | ||
| 42 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 43 | CONFIG_MTD_CHAR=y | ||
| 44 | CONFIG_MTD_BLOCK=y | ||
| 45 | CONFIG_MTD_CFI=y | ||
| 46 | CONFIG_MTD_CFI_ADV_OPTIONS=y | ||
| 47 | CONFIG_MTD_CFI_GEOMETRY=y | ||
| 48 | # CONFIG_MTD_MAP_BANK_WIDTH_1 is not set | ||
| 49 | CONFIG_MTD_CFI_AMDSTD=y | ||
| 50 | CONFIG_MTD_PHYSMAP=y | ||
| 51 | CONFIG_MTD_NAND=y | ||
| 52 | CONFIG_MTD_NAND_MXC=y | ||
| 53 | CONFIG_NETDEVICES=y | ||
| 54 | CONFIG_NET_ETHERNET=y | ||
| 55 | CONFIG_MII=y | ||
| 56 | # CONFIG_NETDEV_1000 is not set | ||
| 57 | # CONFIG_NETDEV_10000 is not set | ||
| 58 | # CONFIG_INPUT_MOUSEDEV is not set | ||
| 59 | CONFIG_INPUT_EVDEV=y | ||
| 60 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 61 | # CONFIG_INPUT_MOUSE is not set | ||
| 62 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 63 | # CONFIG_SERIO is not set | ||
| 64 | # CONFIG_CONSOLE_TRANSLATIONS is not set | ||
| 65 | CONFIG_SERIAL_8250=y | ||
| 66 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 67 | CONFIG_SERIAL_8250_NR_UARTS=1 | ||
| 68 | CONFIG_SERIAL_IMX=y | ||
| 69 | CONFIG_SERIAL_IMX_CONSOLE=y | ||
| 70 | # CONFIG_LEGACY_PTYS is not set | ||
| 71 | # CONFIG_HW_RANDOM is not set | ||
| 72 | CONFIG_I2C=y | ||
| 73 | CONFIG_I2C_CHARDEV=y | ||
| 74 | CONFIG_I2C_IMX=y | ||
| 75 | CONFIG_SPI=y | ||
| 76 | # CONFIG_HWMON is not set | ||
| 77 | CONFIG_FB=y | ||
| 78 | CONFIG_FB_IMX=y | ||
| 79 | # CONFIG_VGA_CONSOLE is not set | ||
| 80 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 81 | CONFIG_FONTS=y | ||
| 82 | CONFIG_FONT_8x8=y | ||
| 83 | CONFIG_LOGO=y | ||
| 84 | # CONFIG_HID_SUPPORT is not set | ||
| 85 | # CONFIG_USB_SUPPORT is not set | ||
| 86 | CONFIG_MMC=y | ||
| 87 | CONFIG_MMC_MXC=y | ||
| 88 | # CONFIG_DNOTIFY is not set | ||
| 89 | CONFIG_MSDOS_FS=y | ||
| 90 | CONFIG_TMPFS=y | ||
| 91 | CONFIG_JFFS2_FS=y | ||
| 92 | CONFIG_NFS_FS=y | ||
| 93 | CONFIG_NFS_V3=y | ||
| 94 | CONFIG_ROOT_NFS=y | ||
| 95 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 96 | CONFIG_SYSCTL_SYSCALL_CHECK=y | ||
| 97 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | ||
| @@ -3,7 +3,6 @@ CONFIG_SYSVIPC=y · 2 unmodified lines | |||
| 3 | CONFIG_IKCONFIG=y | 3 | CONFIG_IKCONFIG=y |
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 7 | CONFIG_EXPERT=y | 6 | CONFIG_EXPERT=y |
| 8 | CONFIG_SLAB=y | 7 | CONFIG_SLAB=y |
| 9 | CONFIG_MODULES=y | 8 | CONFIG_MODULES=y |
| @@ -13,20 +12,21 @@ CONFIG_MODVERSIONS=y · 3 unmodified lines | |||
| 13 | # CONFIG_BLK_DEV_BSG is not set | 12 | # CONFIG_BLK_DEV_BSG is not set |
| 14 | CONFIG_ARCH_MXC=y | 13 | CONFIG_ARCH_MXC=y |
| 15 | CONFIG_MACH_MX31ADS_WM1133_EV1=y | 14 | CONFIG_MACH_MX31ADS_WM1133_EV1=y |
| 15 | CONFIG_MACH_MX31LILLY=y | ||
| 16 | CONFIG_MACH_MX31LITE=y | ||
| 16 | CONFIG_MACH_PCM037=y | 17 | CONFIG_MACH_PCM037=y |
| 17 | CONFIG_MACH_PCM037_EET=y | 18 | CONFIG_MACH_PCM037_EET=y |
| 18 | CONFIG_MACH_MX31LITE=y | ||
| 19 | CONFIG_MACH_MX31_3DS=y | 19 | CONFIG_MACH_MX31_3DS=y |
| 20 | CONFIG_MACH_MX31MOBOARD=y | 20 | CONFIG_MACH_MX31MOBOARD=y |
| 21 | CONFIG_MACH_MX31LILLY=y | ||
| 22 | CONFIG_MACH_QONG=y | 21 | CONFIG_MACH_QONG=y |
| 23 | CONFIG_MACH_PCM043=y | ||
| 24 | CONFIG_MACH_ARMADILLO5X0=y | 22 | CONFIG_MACH_ARMADILLO5X0=y |
| 25 | CONFIG_MACH_MX35_3DS=y | ||
| 26 | CONFIG_MACH_KZM_ARM11_01=y | 23 | CONFIG_MACH_KZM_ARM11_01=y |
| 24 | CONFIG_MACH_PCM043=y | ||
| 25 | CONFIG_MACH_MX35_3DS=y | ||
| 27 | CONFIG_MACH_EUKREA_CPUIMX35=y | 26 | CONFIG_MACH_EUKREA_CPUIMX35=y |
| 28 | CONFIG_MXC_IRQ_PRIOR=y | 27 | CONFIG_MXC_IRQ_PRIOR=y |
| 29 | CONFIG_MXC_PWM=y | 28 | CONFIG_MXC_PWM=y |
| 29 | CONFIG_ARM_ERRATA_411920=y | ||
| 30 | CONFIG_NO_HZ=y | 30 | CONFIG_NO_HZ=y |
| 31 | CONFIG_HIGH_RES_TIMERS=y | 31 | CONFIG_HIGH_RES_TIMERS=y |
| 32 | CONFIG_PREEMPT=y | 32 | CONFIG_PREEMPT=y |
| @@ -35,7 +35,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0 · 2 unmodified lines | |||
| 35 | CONFIG_ZBOOT_ROM_BSS=0x0 | 35 | CONFIG_ZBOOT_ROM_BSS=0x0 |
| 36 | CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" | 36 | CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" |
| 37 | CONFIG_VFP=y | 37 | CONFIG_VFP=y |
| 38 | CONFIG_PM=y | ||
| 39 | CONFIG_PM_DEBUG=y | 38 | CONFIG_PM_DEBUG=y |
| 40 | CONFIG_NET=y | 39 | CONFIG_NET=y |
| 41 | CONFIG_PACKET=y | 40 | CONFIG_PACKET=y |
| @@ -52,7 +51,6 @@ CONFIG_IP_PNP_DHCP=y · 10 unmodified lines | |||
| 52 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | 51 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" |
| 53 | CONFIG_FW_LOADER=m | 52 | CONFIG_FW_LOADER=m |
| 54 | CONFIG_MTD=y | 53 | CONFIG_MTD=y |
| 55 | CONFIG_MTD_PARTITIONS=y | ||
| 56 | CONFIG_MTD_CMDLINE_PARTS=y | 54 | CONFIG_MTD_CMDLINE_PARTS=y |
| 57 | CONFIG_MTD_CHAR=y | 55 | CONFIG_MTD_CHAR=y |
| 58 | CONFIG_MTD_BLOCK=y | 56 | CONFIG_MTD_BLOCK=y |
| @@ -62,24 +60,27 @@ CONFIG_MTD_NAND=y · 3 unmodified lines | |||
| 62 | CONFIG_MTD_NAND_MXC=y | 60 | CONFIG_MTD_NAND_MXC=y |
| 63 | CONFIG_MTD_UBI=y | 61 | CONFIG_MTD_UBI=y |
| 64 | # CONFIG_BLK_DEV is not set | 62 | # CONFIG_BLK_DEV is not set |
| 63 | CONFIG_MISC_DEVICES=y | ||
| 65 | CONFIG_EEPROM_AT24=y | 64 | CONFIG_EEPROM_AT24=y |
| 66 | CONFIG_NETDEVICES=y | 65 | CONFIG_NETDEVICES=y |
| 67 | CONFIG_SMSC_PHY=y | 66 | CONFIG_SMSC_PHY=y |
| 68 | CONFIG_NET_ETHERNET=y | 67 | CONFIG_NET_ETHERNET=y |
| 69 | CONFIG_SMSC911X=y | 68 | CONFIG_SMSC911X=y |
| 70 | CONFIG_DNET=y | 69 | CONFIG_DNET=y |
| 71 | CONFIG_FEC=y | ||
| 72 | # CONFIG_NETDEV_1000 is not set | 70 | # CONFIG_NETDEV_1000 is not set |
| 73 | # CONFIG_NETDEV_10000 is not set | 71 | # CONFIG_NETDEV_10000 is not set |
| 74 | # CONFIG_INPUT is not set | 72 | # CONFIG_INPUT_MOUSEDEV is not set |
| 73 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 74 | CONFIG_KEYBOARD_IMX=y | ||
| 75 | # CONFIG_INPUT_MOUSE is not set | ||
| 75 | # CONFIG_SERIO is not set | 76 | # CONFIG_SERIO is not set |
| 76 | # CONFIG_VT is not set | 77 | # CONFIG_VT is not set |
| 78 | # CONFIG_LEGACY_PTYS is not set | ||
| 77 | CONFIG_SERIAL_8250=m | 79 | CONFIG_SERIAL_8250=m |
| 78 | CONFIG_SERIAL_8250_EXTENDED=y | 80 | CONFIG_SERIAL_8250_EXTENDED=y |
| 79 | CONFIG_SERIAL_8250_SHARE_IRQ=y | 81 | CONFIG_SERIAL_8250_SHARE_IRQ=y |
| 80 | CONFIG_SERIAL_IMX=y | 82 | CONFIG_SERIAL_IMX=y |
| 81 | CONFIG_SERIAL_IMX_CONSOLE=y | 83 | CONFIG_SERIAL_IMX_CONSOLE=y |
| 82 | # CONFIG_LEGACY_PTYS is not set | ||
| 83 | # CONFIG_HW_RANDOM is not set | 84 | # CONFIG_HW_RANDOM is not set |
| 84 | CONFIG_I2C=y | 85 | CONFIG_I2C=y |
| 85 | CONFIG_I2C_CHARDEV=y | 86 | CONFIG_I2C_CHARDEV=y |
| @@ -89,12 +90,15 @@ CONFIG_W1=y · 3 unmodified lines | |||
| 89 | CONFIG_W1_MASTER_MXC=y | 90 | CONFIG_W1_MASTER_MXC=y |
| 90 | CONFIG_W1_SLAVE_THERM=y | 91 | CONFIG_W1_SLAVE_THERM=y |
| 91 | # CONFIG_HWMON is not set | 92 | # CONFIG_HWMON is not set |
| 93 | CONFIG_WATCHDOG=y | ||
| 94 | CONFIG_IMX2_WDT=y | ||
| 92 | CONFIG_MFD_WM8350_I2C=y | 95 | CONFIG_MFD_WM8350_I2C=y |
| 93 | CONFIG_REGULATOR=y | 96 | CONFIG_REGULATOR=y |
| 94 | CONFIG_REGULATOR_WM8350=y | 97 | CONFIG_REGULATOR_WM8350=y |
| 95 | CONFIG_MEDIA_SUPPORT=y | 98 | CONFIG_MEDIA_SUPPORT=y |
| 96 | CONFIG_VIDEO_DEV=y | 99 | CONFIG_VIDEO_DEV=y |
| 97 | # CONFIG_VIDEO_ALLOW_V4L1 is not set | 100 | # CONFIG_RC_CORE is not set |
| 101 | # CONFIG_MEDIA_TUNER_CUSTOMISE is not set | ||
| 98 | CONFIG_SOC_CAMERA=y | 102 | CONFIG_SOC_CAMERA=y |
| 99 | CONFIG_SOC_CAMERA_MT9M001=y | 103 | CONFIG_SOC_CAMERA_MT9M001=y |
| 100 | CONFIG_SOC_CAMERA_MT9M111=y | 104 | CONFIG_SOC_CAMERA_MT9M111=y |
| @@ -105,9 +109,26 @@ CONFIG_SOC_CAMERA_OV772X=y · 4 unmodified lines | |||
| 105 | CONFIG_VIDEO_MX3=y | 109 | CONFIG_VIDEO_MX3=y |
| 106 | # CONFIG_RADIO_ADAPTERS is not set | 110 | # CONFIG_RADIO_ADAPTERS is not set |
| 107 | CONFIG_FB=y | 111 | CONFIG_FB=y |
| 108 | # CONFIG_USB_SUPPORT is not set | 112 | CONFIG_SOUND=y |
| 113 | CONFIG_SND=y | ||
| 114 | # CONFIG_SND_ARM is not set | ||
| 115 | # CONFIG_SND_SPI is not set | ||
| 116 | CONFIG_SND_SOC=y | ||
| 117 | CONFIG_SND_IMX_SOC=y | ||
| 118 | CONFIG_SND_MXC_SOC_WM1133_EV1=y | ||
| 119 | CONFIG_SND_SOC_PHYCORE_AC97=y | ||
| 120 | CONFIG_SND_SOC_EUKREA_TLV320=y | ||
| 121 | CONFIG_USB=y | ||
| 122 | CONFIG_USB_EHCI_HCD=y | ||
| 123 | CONFIG_USB_EHCI_MXC=y | ||
| 124 | CONFIG_USB_GADGET=m | ||
| 125 | CONFIG_USB_FSL_USB2=m | ||
| 126 | CONFIG_USB_G_SERIAL=m | ||
| 127 | CONFIG_USB_ULPI=y | ||
| 109 | CONFIG_MMC=y | 128 | CONFIG_MMC=y |
| 110 | CONFIG_MMC_MXC=y | 129 | CONFIG_MMC_MXC=y |
| 130 | CONFIG_RTC_CLASS=y | ||
| 131 | CONFIG_RTC_MXC=y | ||
| 111 | CONFIG_DMADEVICES=y | 132 | CONFIG_DMADEVICES=y |
| 112 | # CONFIG_DNOTIFY is not set | 133 | # CONFIG_DNOTIFY is not set |
| 113 | CONFIG_TMPFS=y | 134 | CONFIG_TMPFS=y |
| @@ -119,6 +140,5 @@ CONFIG_NFS_V4=y · 5 unmodified lines | |||
| 119 | CONFIG_ROOT_NFS=y | 140 | CONFIG_ROOT_NFS=y |
| 120 | # CONFIG_ENABLE_WARN_DEPRECATED is not set | 141 | # CONFIG_ENABLE_WARN_DEPRECATED is not set |
| 121 | # CONFIG_ENABLE_MUST_CHECK is not set | 142 | # CONFIG_ENABLE_MUST_CHECK is not set |
| 122 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 123 | CONFIG_SYSCTL_SYSCALL_CHECK=y | 143 | CONFIG_SYSCTL_SYSCALL_CHECK=y |
| 124 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | 144 | # CONFIG_CRYPTO_ANSI_CPRNG is not set |
| @@ -1,5 +1,6 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | 1 | CONFIG_EXPERIMENTAL=y |
| 2 | # CONFIG_LOCALVERSION_AUTO is not set | 2 | # CONFIG_LOCALVERSION_AUTO is not set |
| 3 | CONFIG_KERNEL_LZO=y | ||
| 3 | CONFIG_SYSVIPC=y | 4 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_LOG_BUF_SHIFT=18 | 5 | CONFIG_LOG_BUF_SHIFT=18 |
| 5 | CONFIG_RELAY=y | 6 | CONFIG_RELAY=y |
| @@ -13,21 +14,29 @@ CONFIG_MODULE_SRCVERSION_ALL=y · 7 unmodified lines | |||
| 13 | # CONFIG_LBDAF is not set | 14 | # CONFIG_LBDAF is not set |
| 14 | # CONFIG_BLK_DEV_BSG is not set | 15 | # CONFIG_BLK_DEV_BSG is not set |
| 15 | CONFIG_ARCH_MXC=y | 16 | CONFIG_ARCH_MXC=y |
| 16 | CONFIG_ARCH_MX51=y | 17 | CONFIG_ARCH_MX5=y |
| 17 | CONFIG_MACH_MX51_BABBAGE=y | 18 | CONFIG_MACH_MX51_BABBAGE=y |
| 18 | CONFIG_MACH_MX51_3DS=y | 19 | CONFIG_MACH_MX51_3DS=y |
| 19 | CONFIG_MACH_EUKREA_CPUIMX51=y | 20 | CONFIG_MACH_EUKREA_CPUIMX51=y |
| 21 | CONFIG_MACH_EUKREA_CPUIMX51SD=y | ||
| 22 | CONFIG_MACH_MX51_EFIKAMX=y | ||
| 23 | CONFIG_MACH_MX51_EFIKASB=y | ||
| 24 | CONFIG_MACH_MX53_EVK=y | ||
| 25 | CONFIG_MACH_MX53_SMD=y | ||
| 26 | CONFIG_MACH_MX53_LOCO=y | ||
| 27 | CONFIG_MACH_MX53_ARD=y | ||
| 28 | CONFIG_MXC_PWM=y | ||
| 20 | CONFIG_NO_HZ=y | 29 | CONFIG_NO_HZ=y |
| 21 | CONFIG_HIGH_RES_TIMERS=y | 30 | CONFIG_HIGH_RES_TIMERS=y |
| 31 | CONFIG_VMSPLIT_2G=y | ||
| 22 | CONFIG_PREEMPT_VOLUNTARY=y | 32 | CONFIG_PREEMPT_VOLUNTARY=y |
| 23 | CONFIG_AEABI=y | 33 | CONFIG_AEABI=y |
| 24 | # CONFIG_OABI_COMPAT is not set | 34 | # CONFIG_OABI_COMPAT is not set |
| 25 | CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 | 35 | CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 |
| 26 | CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/nfs nfsroot=192.168.0.101:/shared/nfs ip=dhcp" | 36 | CONFIG_CMDLINE="noinitrd console=ttymxc0,115200" |
| 27 | CONFIG_VFP=y | 37 | CONFIG_VFP=y |
| 28 | CONFIG_NEON=y | 38 | CONFIG_NEON=y |
| 29 | CONFIG_BINFMT_MISC=m | 39 | CONFIG_BINFMT_MISC=m |
| 30 | CONFIG_PM=y | ||
| 31 | CONFIG_PM_DEBUG=y | 40 | CONFIG_PM_DEBUG=y |
| 32 | CONFIG_PM_TEST_SUSPEND=y | 41 | CONFIG_PM_TEST_SUSPEND=y |
| 33 | CONFIG_NET=y | 42 | CONFIG_NET=y |
| @@ -42,13 +51,13 @@ CONFIG_IP_PNP_DHCP=y · 8 unmodified lines | |||
| 42 | # CONFIG_INET_LRO is not set | 51 | # CONFIG_INET_LRO is not set |
| 43 | # CONFIG_IPV6 is not set | 52 | # CONFIG_IPV6 is not set |
| 44 | # CONFIG_WIRELESS is not set | 53 | # CONFIG_WIRELESS is not set |
| 54 | CONFIG_DEVTMPFS=y | ||
| 55 | CONFIG_DEVTMPFS_MOUNT=y | ||
| 45 | # CONFIG_STANDALONE is not set | 56 | # CONFIG_STANDALONE is not set |
| 46 | CONFIG_CONNECTOR=y | 57 | CONFIG_CONNECTOR=y |
| 47 | CONFIG_BLK_DEV_LOOP=y | 58 | CONFIG_BLK_DEV_LOOP=y |
| 48 | CONFIG_BLK_DEV_RAM=y | 59 | CONFIG_BLK_DEV_RAM=y |
| 49 | CONFIG_BLK_DEV_RAM_SIZE=65536 | 60 | CONFIG_BLK_DEV_RAM_SIZE=65536 |
| 50 | # CONFIG_MISC_DEVICES is not set | ||
| 51 | CONFIG_SCSI=y | ||
| 52 | # CONFIG_SCSI_PROC_FS is not set | 61 | # CONFIG_SCSI_PROC_FS is not set |
| 53 | CONFIG_BLK_DEV_SD=y | 62 | CONFIG_BLK_DEV_SD=y |
| 54 | CONFIG_SCSI_MULTI_LUN=y | 63 | CONFIG_SCSI_MULTI_LUN=y |
| @@ -56,8 +65,10 @@ CONFIG_SCSI_CONSTANTS=y · 1 unmodified line | |||
| 56 | CONFIG_SCSI_LOGGING=y | 65 | CONFIG_SCSI_LOGGING=y |
| 57 | CONFIG_SCSI_SCAN_ASYNC=y | 66 | CONFIG_SCSI_SCAN_ASYNC=y |
| 58 | # CONFIG_SCSI_LOWLEVEL is not set | 67 | # CONFIG_SCSI_LOWLEVEL is not set |
| 59 | CONFIG_ATA=m | 68 | CONFIG_ATA=y |
| 69 | CONFIG_PATA_IMX=y | ||
| 60 | CONFIG_NETDEVICES=y | 70 | CONFIG_NETDEVICES=y |
| 71 | CONFIG_MII=m | ||
| 61 | CONFIG_MARVELL_PHY=y | 72 | CONFIG_MARVELL_PHY=y |
| 62 | CONFIG_DAVICOM_PHY=y | 73 | CONFIG_DAVICOM_PHY=y |
| 63 | CONFIG_QSEMI_PHY=y | 74 | CONFIG_QSEMI_PHY=y |
| @@ -71,49 +82,57 @@ CONFIG_REALTEK_PHY=y · 7 unmodified lines | |||
| 71 | CONFIG_NATIONAL_PHY=y | 82 | CONFIG_NATIONAL_PHY=y |
| 72 | CONFIG_STE10XP=y | 83 | CONFIG_STE10XP=y |
| 73 | CONFIG_LSI_ET1011C_PHY=y | 84 | CONFIG_LSI_ET1011C_PHY=y |
| 74 | CONFIG_MDIO_BITBANG=y | 85 | CONFIG_MICREL_PHY=y |
| 75 | CONFIG_MDIO_GPIO=y | ||
| 76 | CONFIG_NET_ETHERNET=y | 86 | CONFIG_NET_ETHERNET=y |
| 77 | CONFIG_MII=m | ||
| 78 | CONFIG_FEC=y | ||
| 79 | # CONFIG_NETDEV_1000 is not set | 87 | # CONFIG_NETDEV_1000 is not set |
| 80 | # CONFIG_NETDEV_10000 is not set | 88 | # CONFIG_NETDEV_10000 is not set |
| 81 | # CONFIG_WLAN is not set | 89 | # CONFIG_WLAN is not set |
| 82 | CONFIG_INPUT_FF_MEMLESS=m | ||
| 83 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | 90 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set |
| 84 | CONFIG_INPUT_EVDEV=y | 91 | CONFIG_INPUT_EVDEV=y |
| 85 | CONFIG_KEYBOARD_GPIO=y | ||
| 86 | CONFIG_INPUT_EVBUG=m | 92 | CONFIG_INPUT_EVBUG=m |
| 93 | CONFIG_KEYBOARD_GPIO=y | ||
| 87 | CONFIG_MOUSE_PS2=m | 94 | CONFIG_MOUSE_PS2=m |
| 88 | CONFIG_MOUSE_PS2_ELANTECH=y | 95 | CONFIG_MOUSE_PS2_ELANTECH=y |
| 96 | CONFIG_INPUT_MISC=y | ||
| 97 | CONFIG_INPUT_MMA8450=y | ||
| 89 | CONFIG_SERIO_SERPORT=m | 98 | CONFIG_SERIO_SERPORT=m |
| 90 | CONFIG_VT_HW_CONSOLE_BINDING=y | 99 | CONFIG_VT_HW_CONSOLE_BINDING=y |
| 100 | # CONFIG_LEGACY_PTYS is not set | ||
| 91 | # CONFIG_DEVKMEM is not set | 101 | # CONFIG_DEVKMEM is not set |
| 92 | CONFIG_SERIAL_IMX=y | 102 | CONFIG_SERIAL_IMX=y |
| 93 | CONFIG_SERIAL_IMX_CONSOLE=y | 103 | CONFIG_SERIAL_IMX_CONSOLE=y |
| 94 | # CONFIG_LEGACY_PTYS is not set | ||
| 95 | CONFIG_HW_RANDOM=y | 104 | CONFIG_HW_RANDOM=y |
| 96 | CONFIG_I2C=y | 105 | CONFIG_I2C=y |
| 97 | # CONFIG_I2C_COMPAT is not set | 106 | # CONFIG_I2C_COMPAT is not set |
| 98 | CONFIG_I2C_CHARDEV=m | 107 | CONFIG_I2C_CHARDEV=y |
| 99 | # CONFIG_I2C_HELPER_AUTO is not set | 108 | # CONFIG_I2C_HELPER_AUTO is not set |
| 100 | CONFIG_I2C_ALGOBIT=m | 109 | CONFIG_I2C_ALGOBIT=m |
| 101 | CONFIG_I2C_ALGOPCF=m | 110 | CONFIG_I2C_ALGOPCF=m |
| 102 | CONFIG_I2C_ALGOPCA=m | 111 | CONFIG_I2C_ALGOPCA=m |
| 112 | CONFIG_I2C_IMX=y | ||
| 113 | CONFIG_SPI=y | ||
| 114 | CONFIG_SPI_IMX=y | ||
| 103 | CONFIG_GPIO_SYSFS=y | 115 | CONFIG_GPIO_SYSFS=y |
| 104 | # CONFIG_HWMON is not set | 116 | # CONFIG_HWMON is not set |
| 105 | # CONFIG_HID_SUPPORT is not set | 117 | CONFIG_WATCHDOG=y |
| 118 | CONFIG_IMX2_WDT=y | ||
| 119 | CONFIG_MFD_MC13XXX=y | ||
| 120 | CONFIG_REGULATOR=y | ||
| 121 | CONFIG_REGULATOR_MC13892=y | ||
| 106 | CONFIG_USB=y | 122 | CONFIG_USB=y |
| 107 | CONFIG_USB_EHCI_HCD=y | 123 | CONFIG_USB_EHCI_HCD=y |
| 108 | CONFIG_USB_EHCI_MXC=y | 124 | CONFIG_USB_EHCI_MXC=y |
| 109 | CONFIG_USB_STORAGE=y | 125 | CONFIG_USB_STORAGE=y |
| 110 | CONFIG_MMC=y | 126 | CONFIG_MMC=y |
| 111 | CONFIG_MMC_BLOCK=m | 127 | CONFIG_MMC_BLOCK=m |
| 112 | CONFIG_MMC_SDHCI=m | 128 | CONFIG_MMC_SDHCI=y |
| 129 | CONFIG_MMC_SDHCI_PLTFM=y | ||
| 130 | CONFIG_MMC_SDHCI_ESDHC_IMX=y | ||
| 113 | CONFIG_NEW_LEDS=y | 131 | CONFIG_NEW_LEDS=y |
| 114 | CONFIG_LEDS_CLASS=y | 132 | CONFIG_LEDS_CLASS=y |
| 115 | CONFIG_RTC_CLASS=y | 133 | CONFIG_RTC_CLASS=y |
| 116 | CONFIG_RTC_INTF_DEV_UIE_EMUL=y | 134 | CONFIG_RTC_INTF_DEV_UIE_EMUL=y |
| 135 | CONFIG_RTC_MXC=y | ||
| 117 | CONFIG_EXT2_FS=y | 136 | CONFIG_EXT2_FS=y |
| 118 | CONFIG_EXT2_FS_XATTR=y | 137 | CONFIG_EXT2_FS_XATTR=y |
| 119 | CONFIG_EXT2_FS_POSIX_ACL=y | 138 | CONFIG_EXT2_FS_POSIX_ACL=y |
| @@ -127,7 +146,6 @@ CONFIG_EXT4_FS_SECURITY=y · 7 unmodified lines | |||
| 127 | CONFIG_QUOTA=y | 146 | CONFIG_QUOTA=y |
| 128 | CONFIG_QUOTA_NETLINK_INTERFACE=y | 147 | CONFIG_QUOTA_NETLINK_INTERFACE=y |
| 129 | # CONFIG_PRINT_QUOTA_WARNING is not set | 148 | # CONFIG_PRINT_QUOTA_WARNING is not set |
| 130 | CONFIG_AUTOFS_FS=y | ||
| 131 | CONFIG_AUTOFS4_FS=y | 149 | CONFIG_AUTOFS4_FS=y |
| 132 | CONFIG_FUSE_FS=y | 150 | CONFIG_FUSE_FS=y |
| 133 | CONFIG_ISO9660_FS=m | 151 | CONFIG_ISO9660_FS=m |
| @@ -151,17 +169,13 @@ CONFIG_NLS_ISO8859_15=m · 17 unmodified lines | |||
| 151 | CONFIG_NLS_UTF8=y | 169 | CONFIG_NLS_UTF8=y |
| 152 | CONFIG_MAGIC_SYSRQ=y | 170 | CONFIG_MAGIC_SYSRQ=y |
| 153 | CONFIG_DEBUG_FS=y | 171 | CONFIG_DEBUG_FS=y |
| 154 | CONFIG_DEBUG_KERNEL=y | ||
| 155 | # CONFIG_SCHED_DEBUG is not set | 172 | # CONFIG_SCHED_DEBUG is not set |
| 156 | # CONFIG_DEBUG_BUGVERBOSE is not set | 173 | # CONFIG_DEBUG_BUGVERBOSE is not set |
| 157 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 158 | # CONFIG_FTRACE is not set | 174 | # CONFIG_FTRACE is not set |
| 159 | # CONFIG_ARM_UNWIND is not set | 175 | # CONFIG_ARM_UNWIND is not set |
| 160 | CONFIG_DEBUG_LL=y | ||
| 161 | CONFIG_EARLY_PRINTK=y | ||
| 162 | CONFIG_SECURITYFS=y | 176 | CONFIG_SECURITYFS=y |
| 163 | CONFIG_CRYPTO_DEFLATE=y | 177 | CONFIG_CRYPTO_DEFLATE=m |
| 164 | CONFIG_CRYPTO_LZO=y | 178 | CONFIG_CRYPTO_LZO=m |
| 165 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | 179 | # CONFIG_CRYPTO_ANSI_CPRNG is not set |
| 166 | # CONFIG_CRYPTO_HW is not set | 180 | # CONFIG_CRYPTO_HW is not set |
| 167 | CONFIG_CRC_CCITT=m | 181 | CONFIG_CRC_CCITT=m |
| @@ -26,6 +26,7 @@ CONFIG_MACH_MX23EVK=y · 25 unmodified lines | |||
| 26 | CONFIG_MACH_MX28EVK=y | 26 | CONFIG_MACH_MX28EVK=y |
| 27 | CONFIG_MACH_STMP378X_DEVB=y | 27 | CONFIG_MACH_STMP378X_DEVB=y |
| 28 | CONFIG_MACH_TX28=y | 28 | CONFIG_MACH_TX28=y |
| 29 | CONFIG_MACH_M28EVK=y | ||
| 29 | # CONFIG_ARM_THUMB is not set | 30 | # CONFIG_ARM_THUMB is not set |
| 30 | CONFIG_NO_HZ=y | 31 | CONFIG_NO_HZ=y |
| 31 | CONFIG_HIGH_RES_TIMERS=y | 32 | CONFIG_HIGH_RES_TIMERS=y |
| @@ -25,6 +25,7 @@ CONFIG_MACH_KAEN=y · 24 unmodified lines | |||
| 25 | CONFIG_MACH_PAZ00=y | 25 | CONFIG_MACH_PAZ00=y |
| 26 | CONFIG_MACH_TRIMSLICE=y | 26 | CONFIG_MACH_TRIMSLICE=y |
| 27 | CONFIG_MACH_WARIO=y | 27 | CONFIG_MACH_WARIO=y |
| 28 | CONFIG_MACH_VENTANA=y | ||
| 28 | CONFIG_TEGRA_DEBUG_UARTD=y | 29 | CONFIG_TEGRA_DEBUG_UARTD=y |
| 29 | CONFIG_ARM_ERRATA_742230=y | 30 | CONFIG_ARM_ERRATA_742230=y |
| 30 | CONFIG_NO_HZ=y | 31 | CONFIG_NO_HZ=y |
| @@ -38,7 +39,6 @@ CONFIG_HIGHMEM=y · 7 unmodified lines | |||
| 38 | CONFIG_ZBOOT_ROM_TEXT=0x0 | 39 | CONFIG_ZBOOT_ROM_TEXT=0x0 |
| 39 | CONFIG_ZBOOT_ROM_BSS=0x0 | 40 | CONFIG_ZBOOT_ROM_BSS=0x0 |
| 40 | CONFIG_VFP=y | 41 | CONFIG_VFP=y |
| 41 | CONFIG_PM=y | ||
| 42 | CONFIG_NET=y | 42 | CONFIG_NET=y |
| 43 | CONFIG_PACKET=y | 43 | CONFIG_PACKET=y |
| 44 | CONFIG_UNIX=y | 44 | CONFIG_UNIX=y |
| @@ -65,6 +65,7 @@ CONFIG_IPV6_TUNNEL=y · 20 unmodified lines | |||
| 65 | CONFIG_IPV6_MULTIPLE_TABLES=y | 65 | CONFIG_IPV6_MULTIPLE_TABLES=y |
| 66 | # CONFIG_WIRELESS is not set | 66 | # CONFIG_WIRELESS is not set |
| 67 | # CONFIG_FIRMWARE_IN_KERNEL is not set | 67 | # CONFIG_FIRMWARE_IN_KERNEL is not set |
| 68 | CONFIG_PROC_DEVICETREE=y | ||
| 68 | CONFIG_BLK_DEV_LOOP=y | 69 | CONFIG_BLK_DEV_LOOP=y |
| 69 | CONFIG_MISC_DEVICES=y | 70 | CONFIG_MISC_DEVICES=y |
| 70 | CONFIG_AD525X_DPOT=y | 71 | CONFIG_AD525X_DPOT=y |
| @@ -72,34 +73,61 @@ CONFIG_AD525X_DPOT_I2C=y · 1 unmodified line | |||
| 72 | CONFIG_ICS932S401=y | 73 | CONFIG_ICS932S401=y |
| 73 | CONFIG_APDS9802ALS=y | 74 | CONFIG_APDS9802ALS=y |
| 74 | CONFIG_ISL29003=y | 75 | CONFIG_ISL29003=y |
| 76 | CONFIG_SCSI=y | ||
| 77 | CONFIG_BLK_DEV_SD=y | ||
| 78 | # CONFIG_SCSI_LOWLEVEL is not set | ||
| 75 | CONFIG_NETDEVICES=y | 79 | CONFIG_NETDEVICES=y |
| 76 | CONFIG_DUMMY=y | 80 | CONFIG_DUMMY=y |
| 81 | CONFIG_NET_ETHERNET=y | ||
| 77 | CONFIG_R8169=y | 82 | CONFIG_R8169=y |
| 78 | # CONFIG_NETDEV_10000 is not set | 83 | # CONFIG_NETDEV_10000 is not set |
| 79 | # CONFIG_WLAN is not set | 84 | # CONFIG_WLAN is not set |
| 85 | CONFIG_USB_PEGASUS=y | ||
| 86 | CONFIG_USB_USBNET=y | ||
| 87 | CONFIG_USB_NET_SMSC75XX=y | ||
| 88 | CONFIG_USB_NET_SMSC95XX=y | ||
| 80 | # CONFIG_INPUT is not set | 89 | # CONFIG_INPUT is not set |
| 81 | # CONFIG_SERIO is not set | 90 | # CONFIG_SERIO is not set |
| 82 | # CONFIG_VT is not set | 91 | # CONFIG_VT is not set |
| 92 | # CONFIG_LEGACY_PTYS is not set | ||
| 83 | # CONFIG_DEVKMEM is not set | 93 | # CONFIG_DEVKMEM is not set |
| 84 | CONFIG_SERIAL_8250=y | 94 | CONFIG_SERIAL_8250=y |
| 85 | CONFIG_SERIAL_8250_CONSOLE=y | 95 | CONFIG_SERIAL_8250_CONSOLE=y |
| 86 | # CONFIG_LEGACY_PTYS is not set | 96 | CONFIG_SERIAL_OF_PLATFORM=y |
| 87 | # CONFIG_HW_RANDOM is not set | 97 | # CONFIG_HW_RANDOM is not set |
| 88 | CONFIG_I2C=y | 98 | CONFIG_I2C=y |
| 89 | # CONFIG_I2C_COMPAT is not set | 99 | # CONFIG_I2C_COMPAT is not set |
| 90 | # CONFIG_I2C_HELPER_AUTO is not set | 100 | # CONFIG_I2C_HELPER_AUTO is not set |
| 91 | CONFIG_I2C_TEGRA=y | 101 | CONFIG_I2C_TEGRA=y |
| 102 | CONFIG_SPI=y | ||
| 103 | CONFIG_SPI_TEGRA=y | ||
| 92 | CONFIG_SENSORS_LM90=y | 104 | CONFIG_SENSORS_LM90=y |
| 93 | CONFIG_MFD_TPS6586X=y | 105 | CONFIG_MFD_TPS6586X=y |
| 94 | CONFIG_REGULATOR=y | 106 | CONFIG_REGULATOR=y |
| 95 | CONFIG_REGULATOR_TPS6586X=y | 107 | CONFIG_REGULATOR_TPS6586X=y |
| 96 | # CONFIG_USB_SUPPORT is not set | 108 | CONFIG_SOUND=y |
| 109 | CONFIG_SND=y | ||
| 110 | # CONFIG_SND_SUPPORT_OLD_API is not set | ||
| 111 | # CONFIG_SND_DRIVERS is not set | ||
| 112 | # CONFIG_SND_PCI is not set | ||
| 113 | # CONFIG_SND_ARM is not set | ||
| 114 | # CONFIG_SND_SPI is not set | ||
| 115 | # CONFIG_SND_USB is not set | ||
| 116 | CONFIG_SND_SOC=y | ||
| 117 | CONFIG_SND_SOC_TEGRA=y | ||
| 118 | CONFIG_SND_SOC_TEGRA_WM8903=y | ||
| 119 | CONFIG_SND_SOC_TEGRA_TRIMSLICE=y | ||
| 120 | CONFIG_USB=y | ||
| 121 | CONFIG_USB_EHCI_HCD=y | ||
| 122 | CONFIG_USB_EHCI_TEGRA=y | ||
| 123 | CONFIG_USB_STORAGE=y | ||
| 97 | CONFIG_MMC=y | 124 | CONFIG_MMC=y |
| 98 | CONFIG_MMC_SDHCI=y | 125 | CONFIG_MMC_SDHCI=y |
| 99 | CONFIG_MMC_SDHCI_PLTFM=y | 126 | CONFIG_MMC_SDHCI_PLTFM=y |
| 100 | CONFIG_MMC_SDHCI_TEGRA=y | 127 | CONFIG_MMC_SDHCI_TEGRA=y |
| 128 | CONFIG_RTC_CLASS=y | ||
| 129 | CONFIG_RTC_DRV_TEGRA=y | ||
| 101 | CONFIG_STAGING=y | 130 | CONFIG_STAGING=y |
| 102 | # CONFIG_STAGING_EXCLUDE_BUILD is not set | ||
| 103 | CONFIG_IIO=y | 131 | CONFIG_IIO=y |
| 104 | CONFIG_SENSORS_ISL29018=y | 132 | CONFIG_SENSORS_ISL29018=y |
| 105 | CONFIG_SENSORS_AK8975=y | 133 | CONFIG_SENSORS_AK8975=y |
| @@ -123,18 +151,15 @@ CONFIG_NLS_ISO8859_1=y · 17 unmodified lines | |||
| 123 | CONFIG_PRINTK_TIME=y | 151 | CONFIG_PRINTK_TIME=y |
| 124 | CONFIG_MAGIC_SYSRQ=y | 152 | CONFIG_MAGIC_SYSRQ=y |
| 125 | CONFIG_DEBUG_FS=y | 153 | CONFIG_DEBUG_FS=y |
| 126 | CONFIG_DEBUG_KERNEL=y | ||
| 127 | CONFIG_DETECT_HUNG_TASK=y | 154 | CONFIG_DETECT_HUNG_TASK=y |
| 128 | CONFIG_SCHEDSTATS=y | 155 | CONFIG_SCHEDSTATS=y |
| 129 | CONFIG_TIMER_STATS=y | 156 | CONFIG_TIMER_STATS=y |
| 130 | CONFIG_DEBUG_SLAB=y | 157 | CONFIG_DEBUG_SLAB=y |
| 131 | # CONFIG_DEBUG_PREEMPT is not set | 158 | # CONFIG_DEBUG_PREEMPT is not set |
| 132 | CONFIG_DEBUG_MUTEXES=y | 159 | CONFIG_DEBUG_MUTEXES=y |
| 133 | CONFIG_DEBUG_SPINLOCK_SLEEP=y | ||
| 134 | CONFIG_DEBUG_INFO=y | 160 | CONFIG_DEBUG_INFO=y |
| 135 | CONFIG_DEBUG_VM=y | 161 | CONFIG_DEBUG_VM=y |
| 136 | CONFIG_DEBUG_SG=y | 162 | CONFIG_DEBUG_SG=y |
| 137 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 138 | CONFIG_DEBUG_LL=y | 163 | CONFIG_DEBUG_LL=y |
| 139 | CONFIG_EARLY_PRINTK=y | 164 | CONFIG_EARLY_PRINTK=y |
| 140 | CONFIG_CRYPTO_ECB=y | 165 | CONFIG_CRYPTO_ECB=y |
| @@ -15,7 +15,12 @@ struct dev_archdata { · 14 unmodified lines | |||
| 15 | #endif | 15 | #endif |
| 16 | }; | 16 | }; |
| 17 | 17 | ||
| 18 | struct omap_device; | ||
| 19 | |||
| 18 | struct pdev_archdata { | 20 | struct pdev_archdata { |
| 21 | #ifdef CONFIG_ARCH_OMAP | ||
| 22 | struct omap_device *od; | ||
| 23 | #endif | ||
| 19 | }; | 24 | }; |
| 20 | 25 | ||
| 21 | #endif | 26 | #endif |
| @@ -205,6 +205,13 @@ extern void *dma_alloc_writecombine(struct device *, size_t, dma_addr_t *, · 204 unmodified lines | |||
| 205 | int dma_mmap_writecombine(struct device *, struct vm_area_struct *, | 205 | int dma_mmap_writecombine(struct device *, struct vm_area_struct *, |
| 206 | void *, dma_addr_t, size_t); | 206 | void *, dma_addr_t, size_t); |
| 207 | 207 | ||
| 208 | /* | ||
| 209 | * This can be called during boot to increase the size of the consistent | ||
| 210 | * DMA region above it's default value of 2MB. It must be called before the | ||
| 211 | * memory allocator is initialised, i.e. before any core_initcall. | ||
| 212 | */ | ||
| 213 | extern void __init init_consistent_dma_size(unsigned long size); | ||
| 214 | |||
| 208 | 215 | ||
| 209 | #ifdef CONFIG_DMABOUNCE | 216 | #ifdef CONFIG_DMABOUNCE |
| 210 | /* | 217 | /* |
| @@ -34,18 +34,18 @@ · 33 unmodified lines | |||
| 34 | #define DMA_MODE_CASCADE 0xc0 | 34 | #define DMA_MODE_CASCADE 0xc0 |
| 35 | #define DMA_AUTOINIT 0x10 | 35 | #define DMA_AUTOINIT 0x10 |
| 36 | 36 | ||
| 37 | extern spinlock_t dma_spin_lock; | 37 | extern raw_spinlock_t dma_spin_lock; |
| 38 | 38 | ||
| 39 | static inline unsigned long claim_dma_lock(void) | 39 | static inline unsigned long claim_dma_lock(void) |
| 40 | { | 40 | { |
| 41 | unsigned long flags; | 41 | unsigned long flags; |
| 42 | spin_lock_irqsave(&dma_spin_lock, flags); | 42 | raw_spin_lock_irqsave(&dma_spin_lock, flags); |
| 43 | return flags; | 43 | return flags; |
| 44 | } | 44 | } |
| 45 | 45 | ||
| 46 | static inline void release_dma_lock(unsigned long flags) | 46 | static inline void release_dma_lock(unsigned long flags) |
| 47 | { | 47 | { |
| 48 | spin_unlock_irqrestore(&dma_spin_lock, flags); | 48 | raw_spin_unlock_irqrestore(&dma_spin_lock, flags); |
| 49 | } | 49 | } |
| 50 | 50 | ||
| 51 | /* Clear the 'DMA Pointer Flip Flop'. | 51 | /* Clear the 'DMA Pointer Flip Flop'. |
| @@ -25,13 +25,6 @@ · 24 unmodified lines | |||
| 25 | movne r1, sp | 25 | movne r1, sp |
| 26 | adrne lr, BSYM(1b) | 26 | adrne lr, BSYM(1b) |
| 27 | bne do_IPI | 27 | bne do_IPI |
| 28 | |||
| 29 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 30 | test_for_ltirq r0, r2, r6, lr | ||
| 31 | movne r0, sp | ||
| 32 | adrne lr, BSYM(1b) | ||
| 33 | bne do_local_timer | ||
| 34 | #endif | ||
| 35 | #endif | 28 | #endif |
| 36 | 9997: | 29 | 9997: |
| 37 | .endm | 30 | .endm |
| @@ -4,4 +4,23 @@ · 3 unmodified lines | |||
| 4 | /* not all ARM platforms necessarily support this API ... */ | 4 | /* not all ARM platforms necessarily support this API ... */ |
| 5 | #include <mach/gpio.h> | 5 | #include <mach/gpio.h> |
| 6 | 6 | ||
| 7 | #ifndef __ARM_GPIOLIB_COMPLEX | ||
| 8 | /* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */ | ||
| 9 | #include <asm-generic/gpio.h> | ||
| 10 | |||
| 11 | /* The trivial gpiolib dispatchers */ | ||
| 12 | #define gpio_get_value __gpio_get_value | ||
| 13 | #define gpio_set_value __gpio_set_value | ||
| 14 | #define gpio_cansleep __gpio_cansleep | ||
| 15 | #endif | ||
| 16 | |||
| 17 | /* | ||
| 18 | * Provide a default gpio_to_irq() which should satisfy every case. | ||
| 19 | * However, some platforms want to do this differently, so allow them | ||
| 20 | * to override it. | ||
| 21 | */ | ||
| 22 | #ifndef gpio_to_irq | ||
| 23 | #define gpio_to_irq __gpio_to_irq | ||
| 24 | #endif | ||
| 25 | |||
| 7 | #endif /* _ARCH_ARM_GPIO_H */ | 26 | #endif /* _ARCH_ARM_GPIO_H */ |
| @@ -9,9 +9,6 @@ · 8 unmodified lines | |||
| 9 | 9 | ||
| 10 | typedef struct { | 10 | typedef struct { |
| 11 | unsigned int __softirq_pending; | 11 | unsigned int __softirq_pending; |
| 12 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 13 | unsigned int local_timer_irqs; | ||
| 14 | #endif | ||
| 15 | #ifdef CONFIG_SMP | 12 | #ifdef CONFIG_SMP |
| 16 | unsigned int ipi_irqs[NR_IPI]; | 13 | unsigned int ipi_irqs[NR_IPI]; |
| 17 | #endif | 14 | #endif |
| @@ -102,7 +102,14 @@ · 101 unmodified lines | |||
| 102 | 102 | ||
| 103 | #ifndef __ASSEMBLY__ | 103 | #ifndef __ASSEMBLY__ |
| 104 | extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); | 104 | extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); |
| 105 | #if defined(CONFIG_CACHE_L2X0) && defined(CONFIG_OF) | ||
| 105 | extern int l2x0_of_init(__u32 aux_val, __u32 aux_mask); | 106 | extern int l2x0_of_init(__u32 aux_val, __u32 aux_mask); |
| 107 | #else | ||
| 108 | static inline int l2x0_of_init(__u32 aux_val, __u32 aux_mask) | ||
| 109 | { | ||
| 110 | return -ENODEV; | ||
| 111 | } | ||
| 112 | #endif | ||
| 106 | 113 | ||
| 107 | struct l2x0_regs { | 114 | struct l2x0_regs { |
| 108 | unsigned long phy_base; | 115 | unsigned long phy_base; |
| @@ -121,6 +128,6 @@ struct l2x0_regs { · 12 unmodified lines | |||
| 121 | 128 | ||
| 122 | extern struct l2x0_regs l2x0_saved_regs; | 129 | extern struct l2x0_regs l2x0_saved_regs; |
| 123 | 130 | ||
| 124 | #endif | 131 | #endif /* __ASSEMBLY__ */ |
| 125 | 132 | ||
| 126 | #endif | 133 | #endif |
| @@ -22,15 +22,11 @@ · 21 unmodified lines | |||
| 22 | * interrupt controller spec. To wit: | 22 | * interrupt controller spec. To wit: |
| 23 | * | 23 | * |
| 24 | * Interrupts 0-15 are IPI | 24 | * Interrupts 0-15 are IPI |
| 25 | * 16-28 are reserved | 25 | * 16-31 are local. We allow 30 to be used for the watchdog. |
| 26 | * 29-31 are local. We allow 30 to be used for the watchdog. | ||
| 27 | * 32-1020 are global | 26 | * 32-1020 are global |
| 28 | * 1021-1022 are reserved | 27 | * 1021-1022 are reserved |
| 29 | * 1023 is "spurious" (no interrupt) | 28 | * 1023 is "spurious" (no interrupt) |
| 30 | * | 29 | * |
| 31 | * For now, we ignore all local interrupts so only return an interrupt if it's | ||
| 32 | * between 30 and 1020. The test_for_ipi routine below will pick up on IPIs. | ||
| 33 | * | ||
| 34 | * A simple read from the controller will tell us the number of the highest | 30 | * A simple read from the controller will tell us the number of the highest |
| 35 | * priority enabled interrupt. We then just need to check whether it is in the | 31 | * priority enabled interrupt. We then just need to check whether it is in the |
| 36 | * valid range for an IRQ (30-1020 inclusive). | 32 | * valid range for an IRQ (30-1020 inclusive). |
| @@ -43,7 +39,7 @@ · 6 unmodified lines | |||
| 43 | 39 | ||
| 44 | ldr \tmp, =1021 | 40 | ldr \tmp, =1021 |
| 45 | bic \irqnr, \irqstat, #0x1c00 | 41 | bic \irqnr, \irqstat, #0x1c00 |
| 46 | cmp \irqnr, #29 | 42 | cmp \irqnr, #15 |
| 47 | cmpcc \irqnr, \irqnr | 43 | cmpcc \irqnr, \irqnr |
| 48 | cmpne \irqnr, \tmp | 44 | cmpne \irqnr, \tmp |
| 49 | cmpcs \irqnr, \irqnr | 45 | cmpcs \irqnr, \irqnr |
| @@ -62,14 +58,3 @@ · 12 unmodified lines | |||
| 62 | strcc \irqstat, [\base, #GIC_CPU_EOI] | 58 | strcc \irqstat, [\base, #GIC_CPU_EOI] |
| 63 | cmpcs \irqnr, \irqnr | 59 | cmpcs \irqnr, \irqnr |
| 64 | .endm | 60 | .endm |
| 65 | |||
| 66 | /* As above, this assumes that irqstat and base are preserved.. */ | ||
| 67 | |||
| 68 | .macro test_for_ltirq, irqnr, irqstat, base, tmp | ||
| 69 | bic \irqnr, \irqstat, #0x1c00 | ||
| 70 | mov \tmp, #0 | ||
| 71 | cmp \irqnr, #29 | ||
| 72 | moveq \tmp, #1 | ||
| 73 | streq \irqstat, [\base, #GIC_CPU_EOI] | ||
| 74 | cmp \tmp, #0 | ||
| 75 | .endm | ||
| @@ -33,19 +33,32 @@ · 32 unmodified lines | |||
| 33 | #define GIC_DIST_SOFTINT 0xf00 | 33 | #define GIC_DIST_SOFTINT 0xf00 |
| 34 | 34 | ||
| 35 | #ifndef __ASSEMBLY__ | 35 | #ifndef __ASSEMBLY__ |
| 36 | #include <linux/irqdomain.h> | ||
| 37 | struct device_node; | ||
| 38 | |||
| 36 | extern void __iomem *gic_cpu_base_addr; | 39 | extern void __iomem *gic_cpu_base_addr; |
| 37 | extern struct irq_chip gic_arch_extn; | 40 | extern struct irq_chip gic_arch_extn; |
| 38 | 41 | ||
| 39 | void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *); | 42 | void gic_init(unsigned int, int, void __iomem *, void __iomem *); |
| 43 | int gic_of_init(struct device_node *node, struct device_node *parent); | ||
| 40 | void gic_secondary_init(unsigned int); | 44 | void gic_secondary_init(unsigned int); |
| 41 | void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); | 45 | void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); |
| 42 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); | 46 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); |
| 43 | void gic_enable_ppi(unsigned int); | ||
| 44 | 47 | ||
| 45 | struct gic_chip_data { | 48 | struct gic_chip_data { |
| 46 | unsigned int irq_offset; | ||
| 47 | void __iomem *dist_base; | 49 | void __iomem *dist_base; |
| 48 | void __iomem *cpu_base; | 50 | void __iomem *cpu_base; |
| 51 | #ifdef CONFIG_CPU_PM | ||
| 52 | u32 saved_spi_enable[DIV_ROUND_UP(1020, 32)]; | ||
| 53 | u32 saved_spi_conf[DIV_ROUND_UP(1020, 16)]; | ||
| 54 | u32 saved_spi_target[DIV_ROUND_UP(1020, 4)]; | ||
| 55 | u32 __percpu *saved_ppi_enable; | ||
| 56 | u32 __percpu *saved_ppi_conf; | ||
| 57 | #endif | ||
| 58 | #ifdef CONFIG_IRQ_DOMAIN | ||
| 59 | struct irq_domain domain; | ||
| 60 | #endif | ||
| 61 | unsigned int gic_irqs; | ||
| 49 | }; | 62 | }; |
| 50 | #endif | 63 | #endif |
| 51 | 64 | ||
| @@ -28,6 +28,8 @@ · 27 unmodified lines | |||
| 28 | #include <mach/hardware.h> | 28 | #include <mach/hardware.h> |
| 29 | #include <asm-generic/gpio.h> | 29 | #include <asm-generic/gpio.h> |
| 30 | 30 | ||
| 31 | #define __ARM_GPIOLIB_COMPLEX | ||
| 32 | |||
| 31 | #define IOP3XX_N_GPIOS 8 | 33 | #define IOP3XX_N_GPIOS 8 |
| 32 | 34 | ||
| 33 | static inline int gpio_get_value(unsigned gpio) | 35 | static inline int gpio_get_value(unsigned gpio) |
| @@ -9,7 +9,7 @@ · 8 unmodified lines | |||
| 9 | 9 | ||
| 10 | #ifndef __ASM_HARDWARE_IT8152_H | 10 | #ifndef __ASM_HARDWARE_IT8152_H |
| 11 | #define __ASM_HARDWARE_IT8152_H | 11 | #define __ASM_HARDWARE_IT8152_H |
| 12 | extern unsigned long it8152_base_address; | 12 | extern void __iomem *it8152_base_address; |
| 13 | 13 | ||
| 14 | #define IT8152_IO_BASE (it8152_base_address + 0x03e00000) | 14 | #define IT8152_IO_BASE (it8152_base_address + 0x03e00000) |
| 15 | #define IT8152_CFGREG_BASE (it8152_base_address + 0x03f00000) | 15 | #define IT8152_CFGREG_BASE (it8152_base_address + 0x03f00000) |
| @@ -21,6 +21,9 @@ · 20 unmodified lines | |||
| 21 | * OneNAND features. | 21 | * OneNAND features. |
| 22 | */ | 22 | */ |
| 23 | 23 | ||
| 24 | #ifndef ASM_PL080_H | ||
| 25 | #define ASM_PL080_H | ||
| 26 | |||
| 24 | #define PL080_INT_STATUS (0x00) | 27 | #define PL080_INT_STATUS (0x00) |
| 25 | #define PL080_TC_STATUS (0x04) | 28 | #define PL080_TC_STATUS (0x04) |
| 26 | #define PL080_TC_CLEAR (0x08) | 29 | #define PL080_TC_CLEAR (0x08) |
| @@ -138,3 +141,4 @@ struct pl080s_lli { · 111 unmodified lines | |||
| 138 | u32 control1; | 141 | u32 control1; |
| 139 | }; | 142 | }; |
| 140 | 143 | ||
| 144 | #endif /* ASM_PL080_H */ | ||
| @@ -50,6 +50,7 @@ static inline void decode_ctrl_reg(u32 reg, · 49 unmodified lines | |||
| 50 | #define ARM_DEBUG_ARCH_V6_1 2 | 50 | #define ARM_DEBUG_ARCH_V6_1 2 |
| 51 | #define ARM_DEBUG_ARCH_V7_ECP14 3 | 51 | #define ARM_DEBUG_ARCH_V7_ECP14 3 |
| 52 | #define ARM_DEBUG_ARCH_V7_MM 4 | 52 | #define ARM_DEBUG_ARCH_V7_MM 4 |
| 53 | #define ARM_DEBUG_ARCH_V7_1 5 | ||
| 53 | 54 | ||
| 54 | /* Breakpoint */ | 55 | /* Breakpoint */ |
| 55 | #define ARM_BREAKPOINT_EXECUTE 0 | 56 | #define ARM_BREAKPOINT_EXECUTE 0 |
| @@ -57,6 +58,7 @@ static inline void decode_ctrl_reg(u32 reg, · 1 unmodified line | |||
| 57 | /* Watchpoints */ | 58 | /* Watchpoints */ |
| 58 | #define ARM_BREAKPOINT_LOAD 1 | 59 | #define ARM_BREAKPOINT_LOAD 1 |
| 59 | #define ARM_BREAKPOINT_STORE 2 | 60 | #define ARM_BREAKPOINT_STORE 2 |
| 61 | #define ARM_FSR_ACCESS_MASK (1 << 11) | ||
| 60 | 62 | ||
| 61 | /* Privilege Levels */ | 63 | /* Privilege Levels */ |
| 62 | #define ARM_BREAKPOINT_PRIV 1 | 64 | #define ARM_BREAKPOINT_PRIV 1 |
| @@ -11,6 +11,7 @@ · 10 unmodified lines | |||
| 11 | #define __ASM_ARM_LOCALTIMER_H | 11 | #define __ASM_ARM_LOCALTIMER_H |
| 12 | 12 | ||
| 13 | #include <linux/errno.h> | 13 | #include <linux/errno.h> |
| 14 | #include <linux/interrupt.h> | ||
| 14 | 15 | ||
| 15 | struct clock_event_device; | 16 | struct clock_event_device; |
| 16 | 17 | ||
| @@ -19,31 +20,20 @@ struct clock_event_device; · 2 unmodified lines | |||
| 19 | */ | 20 | */ |
| 20 | void percpu_timer_setup(void); | 21 | void percpu_timer_setup(void); |
| 21 | 22 | ||
| 22 | /* | ||
| 23 | * Called from assembly, this is the local timer IRQ handler | ||
| 24 | */ | ||
| 25 | asmlinkage void do_local_timer(struct pt_regs *); | ||
| 26 | |||
| 27 | /* | ||
| 28 | * Called from C code | ||
| 29 | */ | ||
| 30 | void handle_local_timer(struct pt_regs *); | ||
| 31 | |||
| 32 | #ifdef CONFIG_LOCAL_TIMERS | 23 | #ifdef CONFIG_LOCAL_TIMERS |
| 33 | 24 | ||
| 34 | #ifdef CONFIG_HAVE_ARM_TWD | 25 | #ifdef CONFIG_HAVE_ARM_TWD |
| 35 | 26 | ||
| 36 | #include "smp_twd.h" | 27 | #include "smp_twd.h" |
| 37 | 28 | ||
| 38 | #define local_timer_ack() twd_timer_ack() | 29 | #define local_timer_stop(c) twd_timer_stop((c)) |
| 39 | 30 | ||
| 40 | #else | 31 | #else |
| 41 | 32 | ||
| 42 | /* | 33 | /* |
| 43 | * Platform provides this to acknowledge a local timer IRQ. | 34 | * Stop the local timer |
| 44 | * Returns true if the local timer IRQ is to be processed. | ||
| 45 | */ | 35 | */ |
| 46 | int local_timer_ack(void); | 36 | void local_timer_stop(struct clock_event_device *); |
| 47 | 37 | ||
| 48 | #endif | 38 | #endif |
| 49 | 39 | ||
| @@ -58,6 +48,10 @@ static inline int local_timer_setup(struct clock_event_device *evt) · 8 unmodified lines | |||
| 58 | { | 48 | { |
| 59 | return -ENXIO; | 49 | return -ENXIO; |
| 60 | } | 50 | } |
| 51 | |||
| 52 | static inline void local_timer_stop(struct clock_event_device *evt) | ||
| 53 | { | ||
| 54 | } | ||
| 61 | #endif | 55 | #endif |
| 62 | 56 | ||
| 63 | #endif | 57 | #endif |
| @@ -17,7 +17,7 @@ struct sys_timer; · 16 unmodified lines | |||
| 17 | struct machine_desc { | 17 | struct machine_desc { |
| 18 | unsigned int nr; /* architecture number */ | 18 | unsigned int nr; /* architecture number */ |
| 19 | const char *name; /* architecture name */ | 19 | const char *name; /* architecture name */ |
| 20 | unsigned long boot_params; /* tagged list */ | 20 | unsigned long atag_offset; /* tagged list (relative) */ |
| 21 | const char **dt_compat; /* array of device tree | 21 | const char **dt_compat; /* array of device tree |
| 22 | * 'compatible' strings */ | 22 | * 'compatible' strings */ |
| 23 | 23 | ||
| @@ -29,6 +29,7 @@ struct map_desc { · 28 unmodified lines | |||
| 29 | #define MT_MEMORY_NONCACHED 11 | 29 | #define MT_MEMORY_NONCACHED 11 |
| 30 | #define MT_MEMORY_DTCM 12 | 30 | #define MT_MEMORY_DTCM 12 |
| 31 | #define MT_MEMORY_ITCM 13 | 31 | #define MT_MEMORY_ITCM 13 |
| 32 | #define MT_MEMORY_SO 14 | ||
| 32 | 33 | ||
| 33 | #ifdef CONFIG_MMU | 34 | #ifdef CONFIG_MMU |
| 34 | extern void iotable_init(struct map_desc *, int); | 35 | extern void iotable_init(struct map_desc *, int); |
| @@ -16,9 +16,12 @@ · 15 unmodified lines | |||
| 16 | #include <linux/compiler.h> | 16 | #include <linux/compiler.h> |
| 17 | #include <linux/const.h> | 17 | #include <linux/const.h> |
| 18 | #include <linux/types.h> | 18 | #include <linux/types.h> |
| 19 | #include <mach/memory.h> | ||
| 20 | #include <asm/sizes.h> | 19 | #include <asm/sizes.h> |
| 21 | 20 | ||
| 21 | #ifdef CONFIG_NEED_MACH_MEMORY_H | ||
| 22 | #include <mach/memory.h> | ||
| 23 | #endif | ||
| 24 | |||
| 22 | /* | 25 | /* |
| 23 | * Allow for constants defined here to be used from assembly code | 26 | * Allow for constants defined here to be used from assembly code |
| 24 | * by prepending the UL suffix only with actual C code compilation. | 27 | * by prepending the UL suffix only with actual C code compilation. |
| @@ -77,16 +80,7 @@ · 52 unmodified lines | |||
| 77 | */ | 80 | */ |
| 78 | #define IOREMAP_MAX_ORDER 24 | 81 | #define IOREMAP_MAX_ORDER 24 |
| 79 | 82 | ||
| 80 | /* | ||
| 81 | * Size of DMA-consistent memory region. Must be multiple of 2M, | ||
| 82 | * between 2MB and 14MB inclusive. | ||
| 83 | */ | ||
| 84 | #ifndef CONSISTENT_DMA_SIZE | ||
| 85 | #define CONSISTENT_DMA_SIZE SZ_2M | ||
| 86 | #endif | ||
| 87 | |||
| 88 | #define CONSISTENT_END (0xffe00000UL) | 83 | #define CONSISTENT_END (0xffe00000UL) |
| 89 | #define CONSISTENT_BASE (CONSISTENT_END - CONSISTENT_DMA_SIZE) | ||
| 90 | 84 | ||
| 91 | #else /* CONFIG_MMU */ | 85 | #else /* CONFIG_MMU */ |
| 92 | 86 | ||
| @@ -193,7 +187,11 @@ static inline unsigned long __phys_to_virt(unsigned long x) · 100 unmodified lines | |||
| 193 | #endif | 187 | #endif |
| 194 | 188 | ||
| 195 | #ifndef PHYS_OFFSET | 189 | #ifndef PHYS_OFFSET |
| 190 | #ifdef PLAT_PHYS_OFFSET | ||
| 196 | #define PHYS_OFFSET PLAT_PHYS_OFFSET | 191 | #define PHYS_OFFSET PLAT_PHYS_OFFSET |
| 192 | #else | ||
| 193 | #define PHYS_OFFSET UL(CONFIG_PHYS_OFFSET) | ||
| 194 | #endif | ||
| 197 | #endif | 195 | #endif |
| 198 | 196 | ||
| 199 | /* | 197 | /* |
| @@ -6,7 +6,7 @@ · 5 unmodified lines | |||
| 6 | typedef struct { | 6 | typedef struct { |
| 7 | #ifdef CONFIG_CPU_HAS_ASID | 7 | #ifdef CONFIG_CPU_HAS_ASID |
| 8 | unsigned int id; | 8 | unsigned int id; |
| 9 | spinlock_t id_lock; | 9 | raw_spinlock_t id_lock; |
| 10 | #endif | 10 | #endif |
| 11 | unsigned int kvm_seq; | 11 | unsigned int kvm_seq; |
| 12 | } mm_context_t; | 12 | } mm_context_t; |
| @@ -16,7 +16,7 @@ typedef struct { · 3 unmodified lines | |||
| 16 | 16 | ||
| 17 | /* init_mm.context.id_lock should be initialized. */ | 17 | /* init_mm.context.id_lock should be initialized. */ |
| 18 | #define INIT_MM_CONTEXT(name) \ | 18 | #define INIT_MM_CONTEXT(name) \ |
| 19 | .context.id_lock = __SPIN_LOCK_UNLOCKED(name.context.id_lock), | 19 | .context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock), |
| 20 | #else | 20 | #else |
| 21 | #define ASID(mm) (0) | 21 | #define ASID(mm) (0) |
| 22 | #endif | 22 | #endif |
| @@ -101,6 +101,9 @@ extern pgprot_t pgprot_kernel; · 100 unmodified lines | |||
| 101 | #define pgprot_writecombine(prot) \ | 101 | #define pgprot_writecombine(prot) \ |
| 102 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) | 102 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) |
| 103 | 103 | ||
| 104 | #define pgprot_stronglyordered(prot) \ | ||
| 105 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) | ||
| 106 | |||
| 104 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | 107 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE |
| 105 | #define pgprot_dmacoherent(prot) \ | 108 | #define pgprot_dmacoherent(prot) \ |
| 106 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN) | 109 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN) |
| @@ -13,7 +13,12 @@ · 12 unmodified lines | |||
| 13 | #define __ARM_PMU_H__ | 13 | #define __ARM_PMU_H__ |
| 14 | 14 | ||
| 15 | #include <linux/interrupt.h> | 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/perf_event.h> | ||
| 16 | 17 | ||
| 18 | /* | ||
| 19 | * Types of PMUs that can be accessed directly and require mutual | ||
| 20 | * exclusion between profiling tools. | ||
| 21 | */ | ||
| 17 | enum arm_pmu_type { | 22 | enum arm_pmu_type { |
| 18 | ARM_PMU_DEVICE_CPU = 0, | 23 | ARM_PMU_DEVICE_CPU = 0, |
| 19 | ARM_NUM_PMU_DEVICES, | 24 | ARM_NUM_PMU_DEVICES, |
| @@ -37,21 +42,17 @@ struct arm_pmu_platdata { · 17 unmodified lines | |||
| 37 | * reserve_pmu() - reserve the hardware performance counters | 42 | * reserve_pmu() - reserve the hardware performance counters |
| 38 | * | 43 | * |
| 39 | * Reserve the hardware performance counters in the system for exclusive use. | 44 | * Reserve the hardware performance counters in the system for exclusive use. |
| 40 | * The platform_device for the system is returned on success, ERR_PTR() | 45 | * Returns 0 on success or -EBUSY if the lock is already held. |
| 41 | * encoded error on failure. | ||
| 42 | */ | 46 | */ |
| 43 | extern struct platform_device * | 47 | extern int |
| 44 | reserve_pmu(enum arm_pmu_type type); | 48 | reserve_pmu(enum arm_pmu_type type); |
| 45 | 49 | ||
| 46 | /** | 50 | /** |
| 47 | * release_pmu() - Relinquish control of the performance counters | 51 | * release_pmu() - Relinquish control of the performance counters |
| 48 | * | 52 | * |
| 49 | * Release the performance counters and allow someone else to use them. | 53 | * Release the performance counters and allow someone else to use them. |
| 50 | * Callers must have disabled the counters and released IRQs before calling | ||
| 51 | * this. The platform_device returned from reserve_pmu() must be passed as | ||
| 52 | * a cookie. | ||
| 53 | */ | 54 | */ |
| 54 | extern int | 55 | extern void |
| 55 | release_pmu(enum arm_pmu_type type); | 56 | release_pmu(enum arm_pmu_type type); |
| 56 | 57 | ||
| 57 | /** | 58 | /** |
| @@ -68,24 +69,78 @@ init_pmu(enum arm_pmu_type type); · 10 unmodified lines | |||
| 68 | 69 | ||
| 69 | #include <linux/err.h> | 70 | #include <linux/err.h> |
| 70 | 71 | ||
| 71 | static inline struct platform_device * | ||
| 72 | reserve_pmu(enum arm_pmu_type type) | ||
| 73 | { | ||
| 74 | return ERR_PTR(-ENODEV); | ||
| 75 | } | ||
| 76 | |||
| 77 | static inline int | 72 | static inline int |
| 78 | release_pmu(enum arm_pmu_type type) | 73 | reserve_pmu(enum arm_pmu_type type) |
| 79 | { | 74 | { |
| 80 | return -ENODEV; | 75 | return -ENODEV; |
| 81 | } | 76 | } |
| 82 | 77 | ||
| 83 | static inline int | 78 | static inline void |
| 84 | init_pmu(enum arm_pmu_type type) | 79 | release_pmu(enum arm_pmu_type type) { } |
| 85 | { | ||
| 86 | return -ENODEV; | ||
| 87 | } | ||
| 88 | 80 | ||
| 89 | #endif /* CONFIG_CPU_HAS_PMU */ | 81 | #endif /* CONFIG_CPU_HAS_PMU */ |
| 90 | 82 | ||
| 83 | #ifdef CONFIG_HW_PERF_EVENTS | ||
| 84 | |||
| 85 | /* The events for a given PMU register set. */ | ||
| 86 | struct pmu_hw_events { | ||
| 87 | /* | ||
| 88 | * The events that are active on the PMU for the given index. | ||
| 89 | */ | ||
| 90 | struct perf_event **events; | ||
| 91 | |||
| 92 | /* | ||
| 93 | * A 1 bit for an index indicates that the counter is being used for | ||
| 94 | * an event. A 0 means that the counter can be used. | ||
| 95 | */ | ||
| 96 | unsigned long *used_mask; | ||
| 97 | |||
| 98 | /* | ||
| 99 | * Hardware lock to serialize accesses to PMU registers. Needed for the | ||
| 100 | * read/modify/write sequences. | ||
| 101 | */ | ||
| 102 | raw_spinlock_t pmu_lock; | ||
| 103 | }; | ||
| 104 | |||
| 105 | struct arm_pmu { | ||
| 106 | struct pmu pmu; | ||
| 107 | enum arm_perf_pmu_ids id; | ||
| 108 | enum arm_pmu_type type; | ||
| 109 | cpumask_t active_irqs; | ||
| 110 | const char *name; | ||
| 111 | irqreturn_t (*handle_irq)(int irq_num, void *dev); | ||
| 112 | void (*enable)(struct hw_perf_event *evt, int idx); | ||
| 113 | void (*disable)(struct hw_perf_event *evt, int idx); | ||
| 114 | int (*get_event_idx)(struct pmu_hw_events *hw_events, | ||
| 115 | struct hw_perf_event *hwc); | ||
| 116 | int (*set_event_filter)(struct hw_perf_event *evt, | ||
| 117 | struct perf_event_attr *attr); | ||
| 118 | u32 (*read_counter)(int idx); | ||
| 119 | void (*write_counter)(int idx, u32 val); | ||
| 120 | void (*start)(void); | ||
| 121 | void (*stop)(void); | ||
| 122 | void (*reset)(void *); | ||
| 123 | int (*map_event)(struct perf_event *event); | ||
| 124 | int num_events; | ||
| 125 | atomic_t active_events; | ||
| 126 | struct mutex reserve_mutex; | ||
| 127 | u64 max_period; | ||
| 128 | struct platform_device *plat_device; | ||
| 129 | struct pmu_hw_events *(*get_hw_events)(void); | ||
| 130 | }; | ||
| 131 | |||
| 132 | #define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu)) | ||
| 133 | |||
| 134 | int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type); | ||
| 135 | |||
| 136 | u64 armpmu_event_update(struct perf_event *event, | ||
| 137 | struct hw_perf_event *hwc, | ||
| 138 | int idx, int overflow); | ||
| 139 | |||
| 140 | int armpmu_event_set_period(struct perf_event *event, | ||
| 141 | struct hw_perf_event *hwc, | ||
| 142 | int idx); | ||
| 143 | |||
| 144 | #endif /* CONFIG_HW_PERF_EVENTS */ | ||
| 145 | |||
| 91 | #endif /* __ARM_PMU_H__ */ | 146 | #endif /* __ARM_PMU_H__ */ |
| @@ -81,6 +81,10 @@ extern void cpu_dcache_clean_area(void *, int); · 80 unmodified lines | |||
| 81 | extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); | 81 | extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); |
| 82 | extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); | 82 | extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); |
| 83 | extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); | 83 | extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); |
| 84 | |||
| 85 | /* These three are private to arch/arm/kernel/suspend.c */ | ||
| 86 | extern void cpu_do_suspend(void *); | ||
| 87 | extern void cpu_do_resume(void *); | ||
| 84 | #else | 88 | #else |
| 85 | #define cpu_proc_init processor._proc_init | 89 | #define cpu_proc_init processor._proc_init |
| 86 | #define cpu_proc_fin processor._proc_fin | 90 | #define cpu_proc_fin processor._proc_fin |
| @@ -89,6 +93,10 @@ extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); · 2 unmodified lines | |||
| 89 | #define cpu_dcache_clean_area processor.dcache_clean_area | 93 | #define cpu_dcache_clean_area processor.dcache_clean_area |
| 90 | #define cpu_set_pte_ext processor.set_pte_ext | 94 | #define cpu_set_pte_ext processor.set_pte_ext |
| 91 | #define cpu_do_switch_mm processor.switch_mm | 95 | #define cpu_do_switch_mm processor.switch_mm |
| 96 | |||
| 97 | /* These three are private to arch/arm/kernel/suspend.c */ | ||
| 98 | #define cpu_do_suspend processor.do_suspend | ||
| 99 | #define cpu_do_resume processor.do_resume | ||
| 92 | #endif | 100 | #endif |
| 93 | 101 | ||
| 94 | extern void cpu_resume(void); | 102 | extern void cpu_resume(void); |
| @@ -99,9 +99,4 @@ extern void platform_cpu_enable(unsigned int cpu); · 98 unmodified lines | |||
| 99 | extern void arch_send_call_function_single_ipi(int cpu); | 99 | extern void arch_send_call_function_single_ipi(int cpu); |
| 100 | extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); | 100 | extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); |
| 101 | 101 | ||
| 102 | /* | ||
| 103 | * show local interrupt info | ||
| 104 | */ | ||
| 105 | extern void show_local_irqs(struct seq_file *, int); | ||
| 106 | |||
| 107 | #endif /* ifndef __ASM_ARM_SMP_H */ | 102 | #endif /* ifndef __ASM_ARM_SMP_H */ |
| @@ -22,7 +22,7 @@ struct clock_event_device; · 21 unmodified lines | |||
| 22 | 22 | ||
| 23 | extern void __iomem *twd_base; | 23 | extern void __iomem *twd_base; |
| 24 | 24 | ||
| 25 | int twd_timer_ack(void); | ||
| 26 | void twd_timer_setup(struct clock_event_device *); | 25 | void twd_timer_setup(struct clock_event_device *); |
| 26 | void twd_timer_stop(struct clock_event_device *); | ||
| 27 | 27 | ||
| 28 | #endif | 28 | #endif |
| @@ -1,22 +1,7 @@ | |||
| 1 | #ifndef __ASM_ARM_SUSPEND_H | 1 | #ifndef __ASM_ARM_SUSPEND_H |
| 2 | #define __ASM_ARM_SUSPEND_H | 2 | #define __ASM_ARM_SUSPEND_H |
| 3 | 3 | ||
| 4 | #include <asm/memory.h> | ||
| 5 | #include <asm/tlbflush.h> | ||
| 6 | |||
| 7 | extern void cpu_resume(void); | 4 | extern void cpu_resume(void); |
| 8 | 5 | extern int cpu_suspend(unsigned long, int (*)(unsigned long)); | |
| 9 | /* | ||
| 10 | * Hide the first two arguments to __cpu_suspend - these are an implementation | ||
| 11 | * detail which platform code shouldn't have to know about. | ||
| 12 | */ | ||
| 13 | static inline int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) | ||
| 14 | { | ||
| 15 | extern int __cpu_suspend(int, long, unsigned long, | ||
| 16 | int (*)(unsigned long)); | ||
| 17 | int ret = __cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, arg, fn); | ||
| 18 | flush_tlb_all(); | ||
| 19 | return ret; | ||
| 20 | } | ||
| 21 | 6 | ||
| 22 | #endif | 7 | #endif |
| @@ -29,7 +29,7 @@ obj-$(CONFIG_MODULES) += armksyms.o module.o · 28 unmodified lines | |||
| 29 | obj-$(CONFIG_ARTHUR) += arthur.o | 29 | obj-$(CONFIG_ARTHUR) += arthur.o |
| 30 | obj-$(CONFIG_ISA_DMA) += dma-isa.o | 30 | obj-$(CONFIG_ISA_DMA) += dma-isa.o |
| 31 | obj-$(CONFIG_PCI) += bios32.o isa.o | 31 | obj-$(CONFIG_PCI) += bios32.o isa.o |
| 32 | obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o | 32 | obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o |
| 33 | obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o | 33 | obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o |
| 34 | obj-$(CONFIG_SMP) += smp.o smp_tlb.o | 34 | obj-$(CONFIG_SMP) += smp.o smp_tlb.o |
| 35 | obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o | 35 | obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o |
| @@ -43,6 +43,13 @@ obj-$(CONFIG_KPROBES) += kprobes-thumb.o · 7 unmodified lines | |||
| 43 | else | 43 | else |
| 44 | obj-$(CONFIG_KPROBES) += kprobes-arm.o | 44 | obj-$(CONFIG_KPROBES) += kprobes-arm.o |
| 45 | endif | 45 | endif |
| 46 | obj-$(CONFIG_ARM_KPROBES_TEST) += test-kprobes.o | ||
| 47 | test-kprobes-objs := kprobes-test.o | ||
| 48 | ifdef CONFIG_THUMB2_KERNEL | ||
| 49 | test-kprobes-objs += kprobes-test-thumb.o | ||
| 50 | else | ||
| 51 | test-kprobes-objs += kprobes-test-arm.o | ||
| 52 | endif | ||
| 46 | obj-$(CONFIG_ATAGS_PROC) += atags.o | 53 | obj-$(CONFIG_ATAGS_PROC) += atags.o |
| 47 | obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o | 54 | obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o |
| 48 | obj-$(CONFIG_ARM_THUMBEE) += thumbee.o | 55 | obj-$(CONFIG_ARM_THUMBEE) += thumbee.o |
| @@ -7,7 +7,7 @@ · 6 unmodified lines | |||
| 7 | * it under the terms of the GNU General Public License version 2 as | 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. | 8 | * published by the Free Software Foundation. |
| 9 | */ | 9 | */ |
| 10 | #include <linux/module.h> | 10 | #include <linux/export.h> |
| 11 | #include <linux/sched.h> | 11 | #include <linux/sched.h> |
| 12 | #include <linux/string.h> | 12 | #include <linux/string.h> |
| 13 | #include <linux/cryptohash.h> | 13 | #include <linux/cryptohash.h> |
| @@ -5,7 +5,7 @@ · 4 unmodified lines | |||
| 5 | * | 5 | * |
| 6 | * Bits taken from various places. | 6 | * Bits taken from various places. |
| 7 | */ | 7 | */ |
| 8 | #include <linux/module.h> | 8 | #include <linux/export.h> |
| 9 | #include <linux/kernel.h> | 9 | #include <linux/kernel.h> |
| 10 | #include <linux/pci.h> | 10 | #include <linux/pci.h> |
| 11 | #include <linux/slab.h> | 11 | #include <linux/slab.h> |
| @@ -22,7 +22,7 @@ · 21 unmodified lines | |||
| 22 | #if defined(CONFIG_DEBUG_ICEDCC) | 22 | #if defined(CONFIG_DEBUG_ICEDCC) |
| 23 | @@ debug using ARM EmbeddedICE DCC channel | 23 | @@ debug using ARM EmbeddedICE DCC channel |
| 24 | 24 | ||
| 25 | .macro addruart, rp, rv | 25 | .macro addruart, rp, rv, tmp |
| 26 | .endm | 26 | .endm |
| 27 | 27 | ||
| 28 | #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7) | 28 | #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7) |
| @@ -106,7 +106,7 @@ · 77 unmodified lines | |||
| 106 | 106 | ||
| 107 | #ifdef CONFIG_MMU | 107 | #ifdef CONFIG_MMU |
| 108 | .macro addruart_current, rx, tmp1, tmp2 | 108 | .macro addruart_current, rx, tmp1, tmp2 |
| 109 | addruart \tmp1, \tmp2 | 109 | addruart \tmp1, \tmp2, \rx |
| 110 | mrc p15, 0, \rx, c1, c0 | 110 | mrc p15, 0, \rx, c1, c0 |
| 111 | tst \rx, #1 | 111 | tst \rx, #1 |
| 112 | moveq \rx, \tmp1 | 112 | moveq \rx, \tmp1 |
| @@ -9,7 +9,7 @@ · 8 unmodified lines | |||
| 9 | */ | 9 | */ |
| 10 | 10 | ||
| 11 | #include <linux/init.h> | 11 | #include <linux/init.h> |
| 12 | #include <linux/module.h> | 12 | #include <linux/export.h> |
| 13 | #include <linux/errno.h> | 13 | #include <linux/errno.h> |
| 14 | #include <linux/types.h> | 14 | #include <linux/types.h> |
| 15 | #include <linux/bootmem.h> | 15 | #include <linux/bootmem.h> |
| @@ -23,7 +23,7 @@ · 22 unmodified lines | |||
| 23 | 23 | ||
| 24 | #include <asm/mach/dma.h> | 24 | #include <asm/mach/dma.h> |
| 25 | 25 | ||
| 26 | DEFINE_SPINLOCK(dma_spin_lock); | 26 | DEFINE_RAW_SPINLOCK(dma_spin_lock); |
| 27 | EXPORT_SYMBOL(dma_spin_lock); | 27 | EXPORT_SYMBOL(dma_spin_lock); |
| 28 | 28 | ||
| 29 | static dma_t *dma_chan[MAX_DMA_CHANNELS]; | 29 | static dma_t *dma_chan[MAX_DMA_CHANNELS]; |
| @@ -1,4 +1,4 @@ | |||
| 1 | #include <linux/module.h> | 1 | #include <linux/export.h> |
| 2 | #include <linux/sched.h> | 2 | #include <linux/sched.h> |
| 3 | #include <linux/personality.h> | 3 | #include <linux/personality.h> |
| 4 | #include <linux/binfmts.h> | 4 | #include <linux/binfmts.h> |
| @@ -24,6 +24,7 @@ · 23 unmodified lines | |||
| 24 | #include <linux/miscdevice.h> | 24 | #include <linux/miscdevice.h> |
| 25 | #include <linux/vmalloc.h> | 25 | #include <linux/vmalloc.h> |
| 26 | #include <linux/mutex.h> | 26 | #include <linux/mutex.h> |
| 27 | #include <linux/module.h> | ||
| 27 | #include <asm/hardware/coresight.h> | 28 | #include <asm/hardware/coresight.h> |
| 28 | #include <asm/sections.h> | 29 | #include <asm/sections.h> |
| 29 | 30 | ||
| @@ -99,7 +99,7 @@ ENTRY(stext) · 98 unmodified lines | |||
| 99 | sub r4, r3, r4 @ (PHYS_OFFSET - PAGE_OFFSET) | 99 | sub r4, r3, r4 @ (PHYS_OFFSET - PAGE_OFFSET) |
| 100 | add r8, r8, r4 @ PHYS_OFFSET | 100 | add r8, r8, r4 @ PHYS_OFFSET |
| 101 | #else | 101 | #else |
| 102 | ldr r8, =PLAT_PHYS_OFFSET | 102 | ldr r8, =PHYS_OFFSET @ always constant in this case |
| 103 | #endif | 103 | #endif |
| 104 | 104 | ||
| 105 | /* | 105 | /* |
| @@ -238,7 +238,7 @@ __create_page_tables: · 132 unmodified lines | |||
| 238 | * This allows debug messages to be output | 238 | * This allows debug messages to be output |
| 239 | * via a serial console before paging_init. | 239 | * via a serial console before paging_init. |
| 240 | */ | 240 | */ |
| 241 | addruart r7, r3 | 241 | addruart r7, r3, r0 |
| 242 | 242 | ||
| 243 | mov r3, r3, lsr #SECTION_SHIFT | 243 | mov r3, r3, lsr #SECTION_SHIFT |
| 244 | mov r3, r3, lsl #PMD_ORDER | 244 | mov r3, r3, lsl #PMD_ORDER |
| @@ -45,7 +45,6 @@ static DEFINE_PER_CPU(struct perf_event *, wp_on_reg[ARM_MAX_WRP]); · 44 unmodified lines | |||
| 45 | 45 | ||
| 46 | /* Number of BRP/WRP registers on this CPU. */ | 46 | /* Number of BRP/WRP registers on this CPU. */ |
| 47 | static int core_num_brps; | 47 | static int core_num_brps; |
| 48 | static int core_num_reserved_brps; | ||
| 49 | static int core_num_wrps; | 48 | static int core_num_wrps; |
| 50 | 49 | ||
| 51 | /* Debug architecture version. */ | 50 | /* Debug architecture version. */ |
| @@ -137,10 +136,11 @@ static u8 get_debug_arch(void) · 85 unmodified lines | |||
| 137 | u32 didr; | 136 | u32 didr; |
| 138 | 137 | ||
| 139 | /* Do we implement the extended CPUID interface? */ | 138 | /* Do we implement the extended CPUID interface? */ |
| 140 | if (WARN_ONCE((((read_cpuid_id() >> 16) & 0xf) != 0xf), | 139 | if (((read_cpuid_id() >> 16) & 0xf) != 0xf) { |
| 141 | "CPUID feature registers not supported. " | 140 | pr_warning("CPUID feature registers not supported. " |
| 142 | "Assuming v6 debug is present.\n")) | 141 | "Assuming v6 debug is present.\n"); |
| 143 | return ARM_DEBUG_ARCH_V6; | 142 | return ARM_DEBUG_ARCH_V6; |
| 143 | } | ||
| 144 | 144 | ||
| 145 | ARM_DBG_READ(c0, 0, didr); | 145 | ARM_DBG_READ(c0, 0, didr); |
| 146 | return (didr >> 16) & 0xf; | 146 | return (didr >> 16) & 0xf; |
| @@ -154,10 +154,21 @@ u8 arch_get_debug_arch(void) · 7 unmodified lines | |||
| 154 | static int debug_arch_supported(void) | 154 | static int debug_arch_supported(void) |
| 155 | { | 155 | { |
| 156 | u8 arch = get_debug_arch(); | 156 | u8 arch = get_debug_arch(); |
| 157 | return arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14; | 157 | |
| 158 | /* We don't support the memory-mapped interface. */ | ||
| 159 | return (arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14) || | ||
| 160 | arch >= ARM_DEBUG_ARCH_V7_1; | ||
| 161 | } | ||
| 162 | |||
| 163 | /* Determine number of WRP registers available. */ | ||
| 164 | static int get_num_wrp_resources(void) | ||
| 165 | { | ||
| 166 | u32 didr; | ||
| 167 | ARM_DBG_READ(c0, 0, didr); | ||
| 168 | return ((didr >> 28) & 0xf) + 1; | ||
| 158 | } | 169 | } |
| 159 | 170 | ||
| 160 | /* Determine number of BRP register available. */ | 171 | /* Determine number of BRP registers available. */ |
| 161 | static int get_num_brp_resources(void) | 172 | static int get_num_brp_resources(void) |
| 162 | { | 173 | { |
| 163 | u32 didr; | 174 | u32 didr; |
| @@ -176,9 +187,10 @@ static int core_has_mismatch_brps(void) · 12 unmodified lines | |||
| 176 | static int get_num_wrps(void) | 187 | static int get_num_wrps(void) |
| 177 | { | 188 | { |
| 178 | /* | 189 | /* |
| 179 | * FIXME: When a watchpoint fires, the only way to work out which | 190 | * On debug architectures prior to 7.1, when a watchpoint fires, the |
| 180 | * watchpoint it was is by disassembling the faulting instruction | 191 | * only way to work out which watchpoint it was is by disassembling |
| 181 | * and working out the address of the memory access. | 192 | * the faulting instruction and working out the address of the memory |
| 193 | * access. | ||
| 182 | * | 194 | * |
| 183 | * Furthermore, we can only do this if the watchpoint was precise | 195 | * Furthermore, we can only do this if the watchpoint was precise |
| 184 | * since imprecise watchpoints prevent us from calculating register | 196 | * since imprecise watchpoints prevent us from calculating register |
| @@ -192,36 +204,17 @@ static int get_num_wrps(void) · 7 unmodified lines | |||
| 192 | * [the ARM ARM states that the DFAR is UNKNOWN, but experience shows | 204 | * [the ARM ARM states that the DFAR is UNKNOWN, but experience shows |
| 193 | * that it is set on some implementations]. | 205 | * that it is set on some implementations]. |
| 194 | */ | 206 | */ |
| 207 | if (get_debug_arch() < ARM_DEBUG_ARCH_V7_1) | ||
| 208 | return 1; | ||
| 195 | 209 | ||
| 196 | #if 0 | 210 | return get_num_wrp_resources(); |
| 197 | int wrps; | ||
| 198 | u32 didr; | ||
| 199 | ARM_DBG_READ(c0, 0, didr); | ||
| 200 | wrps = ((didr >> 28) & 0xf) + 1; | ||
| 201 | #endif | ||
| 202 | int wrps = 1; | ||
| 203 | |||
| 204 | if (core_has_mismatch_brps() && wrps >= get_num_brp_resources()) | ||
| 205 | wrps = get_num_brp_resources() - 1; | ||
| 206 | |||
| 207 | return wrps; | ||
| 208 | } | ||
| 209 | |||
| 210 | /* We reserve one breakpoint for each watchpoint. */ | ||
| 211 | static int get_num_reserved_brps(void) | ||
| 212 | { | ||
| 213 | if (core_has_mismatch_brps()) | ||
| 214 | return get_num_wrps(); | ||
| 215 | return 0; | ||
| 216 | } | 211 | } |
| 217 | 212 | ||
| 218 | /* Determine number of usable BRPs available. */ | 213 | /* Determine number of usable BRPs available. */ |
| 219 | static int get_num_brps(void) | 214 | static int get_num_brps(void) |
| 220 | { | 215 | { |
| 221 | int brps = get_num_brp_resources(); | 216 | int brps = get_num_brp_resources(); |
| 222 | if (core_has_mismatch_brps()) | 217 | return core_has_mismatch_brps() ? brps - 1 : brps; |
| 223 | brps -= get_num_reserved_brps(); | ||
| 224 | return brps; | ||
| 225 | } | 218 | } |
| 226 | 219 | ||
| 227 | /* | 220 | /* |
| @@ -239,7 +232,7 @@ static int enable_monitor_mode(void) · 11 unmodified lines | |||
| 239 | 232 | ||
| 240 | /* Ensure that halting mode is disabled. */ | 233 | /* Ensure that halting mode is disabled. */ |
| 241 | if (WARN_ONCE(dscr & ARM_DSCR_HDBGEN, | 234 | if (WARN_ONCE(dscr & ARM_DSCR_HDBGEN, |
| 242 | "halting debug mode enabled. Unable to access hardware resources.\n")) { | 235 | "halting debug mode enabled. Unable to access hardware resources.\n")) { |
| 243 | ret = -EPERM; | 236 | ret = -EPERM; |
| 244 | goto out; | 237 | goto out; |
| 245 | } | 238 | } |
| @@ -255,6 +248,7 @@ static int enable_monitor_mode(void) · 9 unmodified lines | |||
| 255 | ARM_DBG_WRITE(c1, 0, (dscr | ARM_DSCR_MDBGEN)); | 248 | ARM_DBG_WRITE(c1, 0, (dscr | ARM_DSCR_MDBGEN)); |
| 256 | break; | 249 | break; |
| 257 | case ARM_DEBUG_ARCH_V7_ECP14: | 250 | case ARM_DEBUG_ARCH_V7_ECP14: |
| 251 | case ARM_DEBUG_ARCH_V7_1: | ||
| 258 | ARM_DBG_WRITE(c2, 2, (dscr | ARM_DSCR_MDBGEN)); | 252 | ARM_DBG_WRITE(c2, 2, (dscr | ARM_DSCR_MDBGEN)); |
| 259 | break; | 253 | break; |
| 260 | default: | 254 | default: |
| @@ -346,24 +340,10 @@ int arch_install_hw_breakpoint(struct perf_event *bp) · 85 unmodified lines | |||
| 346 | val_base = ARM_BASE_BVR; | 340 | val_base = ARM_BASE_BVR; |
| 347 | slots = (struct perf_event **)__get_cpu_var(bp_on_reg); | 341 | slots = (struct perf_event **)__get_cpu_var(bp_on_reg); |
| 348 | max_slots = core_num_brps; | 342 | max_slots = core_num_brps; |
| 349 | if (info->step_ctrl.enabled) { | ||
| 350 | /* Override the breakpoint data with the step data. */ | ||
| 351 | addr = info->trigger & ~0x3; | ||
| 352 | ctrl = encode_ctrl_reg(info->step_ctrl); | ||
| 353 | } | ||
| 354 | } else { | 343 | } else { |
| 355 | /* Watchpoint */ | 344 | /* Watchpoint */ |
| 356 | if (info->step_ctrl.enabled) { | 345 | ctrl_base = ARM_BASE_WCR; |
| 357 | /* Install into the reserved breakpoint region. */ | 346 | val_base = ARM_BASE_WVR; |
| 358 | ctrl_base = ARM_BASE_BCR + core_num_brps; | ||
| 359 | val_base = ARM_BASE_BVR + core_num_brps; | ||
| 360 | /* Override the watchpoint data with the step data. */ | ||
| 361 | addr = info->trigger & ~0x3; | ||
| 362 | ctrl = encode_ctrl_reg(info->step_ctrl); | ||
| 363 | } else { | ||
| 364 | ctrl_base = ARM_BASE_WCR; | ||
| 365 | val_base = ARM_BASE_WVR; | ||
| 366 | } | ||
| 367 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | 347 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); |
| 368 | max_slots = core_num_wrps; | 348 | max_slots = core_num_wrps; |
| 369 | } | 349 | } |
| @@ -382,6 +362,17 @@ int arch_install_hw_breakpoint(struct perf_event *bp) · 12 unmodified lines | |||
| 382 | goto out; | 362 | goto out; |
| 383 | } | 363 | } |
| 384 | 364 | ||
| 365 | /* Override the breakpoint data with the step data. */ | ||
| 366 | if (info->step_ctrl.enabled) { | ||
| 367 | addr = info->trigger & ~0x3; | ||
| 368 | ctrl = encode_ctrl_reg(info->step_ctrl); | ||
| 369 | if (info->ctrl.type != ARM_BREAKPOINT_EXECUTE) { | ||
| 370 | i = 0; | ||
| 371 | ctrl_base = ARM_BASE_BCR + core_num_brps; | ||
| 372 | val_base = ARM_BASE_BVR + core_num_brps; | ||
| 373 | } | ||
| 374 | } | ||
| 375 | |||
| 385 | /* Setup the address register. */ | 376 | /* Setup the address register. */ |
| 386 | write_wb_reg(val_base + i, addr); | 377 | write_wb_reg(val_base + i, addr); |
| 387 | 378 | ||
| @@ -405,10 +396,7 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) · 17 unmodified lines | |||
| 405 | max_slots = core_num_brps; | 396 | max_slots = core_num_brps; |
| 406 | } else { | 397 | } else { |
| 407 | /* Watchpoint */ | 398 | /* Watchpoint */ |
| 408 | if (info->step_ctrl.enabled) | 399 | base = ARM_BASE_WCR; |
| 409 | base = ARM_BASE_BCR + core_num_brps; | ||
| 410 | else | ||
| 411 | base = ARM_BASE_WCR; | ||
| 412 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | 400 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); |
| 413 | max_slots = core_num_wrps; | 401 | max_slots = core_num_wrps; |
| 414 | } | 402 | } |
| @@ -426,6 +414,13 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) · 11 unmodified lines | |||
| 426 | if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot\n")) | 414 | if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot\n")) |
| 427 | return; | 415 | return; |
| 428 | 416 | ||
| 417 | /* Ensure that we disable the mismatch breakpoint. */ | ||
| 418 | if (info->ctrl.type != ARM_BREAKPOINT_EXECUTE && | ||
| 419 | info->step_ctrl.enabled) { | ||
| 420 | i = 0; | ||
| 421 | base = ARM_BASE_BCR + core_num_brps; | ||
| 422 | } | ||
| 423 | |||
| 429 | /* Reset the control register. */ | 424 | /* Reset the control register. */ |
| 430 | write_wb_reg(base + i, 0); | 425 | write_wb_reg(base + i, 0); |
| 431 | } | 426 | } |
| @@ -632,10 +627,9 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) · 200 unmodified lines | |||
| 632 | * we can use the mismatch feature as a poor-man's hardware | 627 | * we can use the mismatch feature as a poor-man's hardware |
| 633 | * single-step, but this only works for per-task breakpoints. | 628 | * single-step, but this only works for per-task breakpoints. |
| 634 | */ | 629 | */ |
| 635 | if (WARN_ONCE(!bp->overflow_handler && | 630 | if (!bp->overflow_handler && (arch_check_bp_in_kernelspace(bp) || |
| 636 | (arch_check_bp_in_kernelspace(bp) || !core_has_mismatch_brps() | 631 | !core_has_mismatch_brps() || !bp->hw.bp_target)) { |
| 637 | || !bp->hw.bp_target), | 632 | pr_warning("overflow handler required but none found\n"); |
| 638 | "overflow handler required but none found\n")) { | ||
| 639 | ret = -EINVAL; | 633 | ret = -EINVAL; |
| 640 | } | 634 | } |
| 641 | out: | 635 | out: |
| @@ -666,34 +660,62 @@ static void disable_single_step(struct perf_event *bp) · 24 unmodified lines | |||
| 666 | arch_install_hw_breakpoint(bp); | 660 | arch_install_hw_breakpoint(bp); |
| 667 | } | 661 | } |
| 668 | 662 | ||
| 669 | static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) | 663 | static void watchpoint_handler(unsigned long addr, unsigned int fsr, |
| 664 | struct pt_regs *regs) | ||
| 670 | { | 665 | { |
| 671 | int i; | 666 | int i, access; |
| 667 | u32 val, ctrl_reg, alignment_mask; | ||
| 672 | struct perf_event *wp, **slots; | 668 | struct perf_event *wp, **slots; |
| 673 | struct arch_hw_breakpoint *info; | 669 | struct arch_hw_breakpoint *info; |
| 670 | struct arch_hw_breakpoint_ctrl ctrl; | ||
| 674 | 671 | ||
| 675 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | 672 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); |
| 676 | 673 | ||
| 677 | /* Without a disassembler, we can only handle 1 watchpoint. */ | ||
| 678 | BUG_ON(core_num_wrps > 1); | ||
| 679 | |||
| 680 | for (i = 0; i < core_num_wrps; ++i) { | 674 | for (i = 0; i < core_num_wrps; ++i) { |
| 681 | rcu_read_lock(); | 675 | rcu_read_lock(); |
| 682 | 676 | ||
| 683 | wp = slots[i]; | 677 | wp = slots[i]; |
| 684 | 678 | ||
| 685 | if (wp == NULL) { | 679 | if (wp == NULL) |
| 686 | rcu_read_unlock(); | 680 | goto unlock; |
| 687 | continue; | ||
| 688 | } | ||
| 689 | 681 | ||
| 682 | info = counter_arch_bp(wp); | ||
| 690 | /* | 683 | /* |
| 691 | * The DFAR is an unknown value. Since we only allow a | 684 | * The DFAR is an unknown value on debug architectures prior |
| 692 | * single watchpoint, we can set the trigger to the lowest | 685 | * to 7.1. Since we only allow a single watchpoint on these |
| 693 | * possible faulting address. | 686 | * older CPUs, we can set the trigger to the lowest possible |
| 687 | * faulting address. | ||
| 694 | */ | 688 | */ |
| 695 | info = counter_arch_bp(wp); | 689 | if (debug_arch < ARM_DEBUG_ARCH_V7_1) { |
| 696 | info->trigger = wp->attr.bp_addr; | 690 | BUG_ON(i > 0); |
| 691 | info->trigger = wp->attr.bp_addr; | ||
| 692 | } else { | ||
| 693 | if (info->ctrl.len == ARM_BREAKPOINT_LEN_8) | ||
| 694 | alignment_mask = 0x7; | ||
| 695 | else | ||
| 696 | alignment_mask = 0x3; | ||
| 697 | |||
| 698 | /* Check if the watchpoint value matches. */ | ||
| 699 | val = read_wb_reg(ARM_BASE_WVR + i); | ||
| 700 | if (val != (addr & ~alignment_mask)) | ||
| 701 | goto unlock; | ||
| 702 | |||
| 703 | /* Possible match, check the byte address select. */ | ||
| 704 | ctrl_reg = read_wb_reg(ARM_BASE_WCR + i); | ||
| 705 | decode_ctrl_reg(ctrl_reg, &ctrl); | ||
| 706 | if (!((1 << (addr & alignment_mask)) & ctrl.len)) | ||
| 707 | goto unlock; | ||
| 708 | |||
| 709 | /* Check that the access type matches. */ | ||
| 710 | access = (fsr & ARM_FSR_ACCESS_MASK) ? HW_BREAKPOINT_W : | ||
| 711 | HW_BREAKPOINT_R; | ||
| 712 | if (!(access & hw_breakpoint_type(wp))) | ||
| 713 | goto unlock; | ||
| 714 | |||
| 715 | /* We have a winner. */ | ||
| 716 | info->trigger = addr; | ||
| 717 | } | ||
| 718 | |||
| 697 | pr_debug("watchpoint fired: address = 0x%x\n", info->trigger); | 719 | pr_debug("watchpoint fired: address = 0x%x\n", info->trigger); |
| 698 | perf_bp_event(wp, regs); | 720 | perf_bp_event(wp, regs); |
| 699 | 721 | ||
| @@ -705,6 +727,7 @@ static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) · 5 unmodified lines | |||
| 705 | if (!wp->overflow_handler) | 727 | if (!wp->overflow_handler) |
| 706 | enable_single_step(wp, instruction_pointer(regs)); | 728 | enable_single_step(wp, instruction_pointer(regs)); |
| 707 | 729 | ||
| 730 | unlock: | ||
| 708 | rcu_read_unlock(); | 731 | rcu_read_unlock(); |
| 709 | } | 732 | } |
| 710 | } | 733 | } |
| @@ -717,7 +740,7 @@ static void watchpoint_single_step_handler(unsigned long pc) · 6 unmodified lines | |||
| 717 | 740 | ||
| 718 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | 741 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); |
| 719 | 742 | ||
| 720 | for (i = 0; i < core_num_reserved_brps; ++i) { | 743 | for (i = 0; i < core_num_wrps; ++i) { |
| 721 | rcu_read_lock(); | 744 | rcu_read_lock(); |
| 722 | 745 | ||
| 723 | wp = slots[i]; | 746 | wp = slots[i]; |
| @@ -820,7 +843,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, · 96 unmodified lines | |||
| 820 | case ARM_ENTRY_ASYNC_WATCHPOINT: | 843 | case ARM_ENTRY_ASYNC_WATCHPOINT: |
| 821 | WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n"); | 844 | WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n"); |
| 822 | case ARM_ENTRY_SYNC_WATCHPOINT: | 845 | case ARM_ENTRY_SYNC_WATCHPOINT: |
| 823 | watchpoint_handler(addr, regs); | 846 | watchpoint_handler(addr, fsr, regs); |
| 824 | break; | 847 | break; |
| 825 | default: | 848 | default: |
| 826 | ret = 1; /* Unhandled fault. */ | 849 | ret = 1; /* Unhandled fault. */ |
| @@ -834,11 +857,31 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, · 7 unmodified lines | |||
| 834 | /* | 857 | /* |
| 835 | * One-time initialisation. | 858 | * One-time initialisation. |
| 836 | */ | 859 | */ |
| 837 | static void reset_ctrl_regs(void *info) | 860 | static cpumask_t debug_err_mask; |
| 861 | |||
| 862 | static int debug_reg_trap(struct pt_regs *regs, unsigned int instr) | ||
| 838 | { | 863 | { |
| 839 | int i, cpu = smp_processor_id(); | 864 | int cpu = smp_processor_id(); |
| 865 | |||
| 866 | pr_warning("Debug register access (0x%x) caused undefined instruction on CPU %d\n", | ||
| 867 | instr, cpu); | ||
| 868 | |||
| 869 | /* Set the error flag for this CPU and skip the faulting instruction. */ | ||
| 870 | cpumask_set_cpu(cpu, &debug_err_mask); | ||
| 871 | instruction_pointer(regs) += 4; | ||
| 872 | return 0; | ||
| 873 | } | ||
| 874 | |||
| 875 | static struct undef_hook debug_reg_hook = { | ||
| 876 | .instr_mask = 0x0fe80f10, | ||
| 877 | .instr_val = 0x0e000e10, | ||
| 878 | .fn = debug_reg_trap, | ||
| 879 | }; | ||
| 880 | |||
| 881 | static void reset_ctrl_regs(void *unused) | ||
| 882 | { | ||
| 883 | int i, raw_num_brps, err = 0, cpu = smp_processor_id(); | ||
| 840 | u32 dbg_power; | 884 | u32 dbg_power; |
| 841 | cpumask_t *cpumask = info; | ||
| 842 | 885 | ||
| 843 | /* | 886 | /* |
| 844 | * v7 debug contains save and restore registers so that debug state | 887 | * v7 debug contains save and restore registers so that debug state |
| @@ -848,38 +891,57 @@ static void reset_ctrl_regs(void *info) · 3 unmodified lines | |||
| 848 | * Access Register to avoid taking undefined instruction exceptions | 891 | * Access Register to avoid taking undefined instruction exceptions |
| 849 | * later on. | 892 | * later on. |
| 850 | */ | 893 | */ |
| 851 | if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) { | 894 | switch (debug_arch) { |
| 895 | case ARM_DEBUG_ARCH_V6: | ||
| 896 | case ARM_DEBUG_ARCH_V6_1: | ||
| 897 | /* ARMv6 cores just need to reset the registers. */ | ||
| 898 | goto reset_regs; | ||
| 899 | case ARM_DEBUG_ARCH_V7_ECP14: | ||
| 852 | /* | 900 | /* |
| 853 | * Ensure sticky power-down is clear (i.e. debug logic is | 901 | * Ensure sticky power-down is clear (i.e. debug logic is |
| 854 | * powered up). | 902 | * powered up). |
| 855 | */ | 903 | */ |
| 856 | asm volatile("mrc p14, 0, %0, c1, c5, 4" : "=r" (dbg_power)); | 904 | asm volatile("mrc p14, 0, %0, c1, c5, 4" : "=r" (dbg_power)); |
| 857 | if ((dbg_power & 0x1) == 0) { | 905 | if ((dbg_power & 0x1) == 0) |
| 858 | pr_warning("CPU %d debug is powered down!\n", cpu); | 906 | err = -EPERM; |
| 859 | cpumask_or(cpumask, cpumask, cpumask_of(cpu)); | 907 | break; |
| 860 | return; | 908 | case ARM_DEBUG_ARCH_V7_1: |
| 861 | } | ||
| 862 | |||
| 863 | /* | 909 | /* |
| 864 | * Unconditionally clear the lock by writing a value | 910 | * Ensure the OS double lock is clear. |
| 865 | * other than 0xC5ACCE55 to the access register. | ||
| 866 | */ | 911 | */ |
| 867 | asm volatile("mcr p14, 0, %0, c1, c0, 4" : : "r" (0)); | 912 | asm volatile("mrc p14, 0, %0, c1, c3, 4" : "=r" (dbg_power)); |
| 868 | isb(); | 913 | if ((dbg_power & 0x1) == 1) |
| 914 | err = -EPERM; | ||
| 915 | break; | ||
| 916 | } | ||
| 869 | 917 | ||
| 870 | /* | 918 | if (err) { |
| 871 | * Clear any configured vector-catch events before | 919 | pr_warning("CPU %d debug is powered down!\n", cpu); |
| 872 | * enabling monitor mode. | 920 | cpumask_or(&debug_err_mask, &debug_err_mask, cpumask_of(cpu)); |
| 873 | */ | 921 | return; |
| 874 | asm volatile("mcr p14, 0, %0, c0, c7, 0" : : "r" (0)); | ||
| 875 | isb(); | ||
| 876 | } | 922 | } |
| 877 | 923 | ||
| 924 | /* | ||
| 925 | * Unconditionally clear the lock by writing a value | ||
| 926 | * other than 0xC5ACCE55 to the access register. | ||
| 927 | */ | ||
| 928 | asm volatile("mcr p14, 0, %0, c1, c0, 4" : : "r" (0)); | ||
| 929 | isb(); | ||
| 930 | |||
| 931 | /* | ||
| 932 | * Clear any configured vector-catch events before | ||
| 933 | * enabling monitor mode. | ||
| 934 | */ | ||
| 935 | asm volatile("mcr p14, 0, %0, c0, c7, 0" : : "r" (0)); | ||
| 936 | isb(); | ||
| 937 | |||
| 938 | reset_regs: | ||
| 878 | if (enable_monitor_mode()) | 939 | if (enable_monitor_mode()) |
| 879 | return; | 940 | return; |
| 880 | 941 | ||
| 881 | /* We must also reset any reserved registers. */ | 942 | /* We must also reset any reserved registers. */ |
| 882 | for (i = 0; i < core_num_brps + core_num_reserved_brps; ++i) { | 943 | raw_num_brps = get_num_brp_resources(); |
| 944 | for (i = 0; i < raw_num_brps; ++i) { | ||
| 883 | write_wb_reg(ARM_BASE_BCR + i, 0UL); | 945 | write_wb_reg(ARM_BASE_BCR + i, 0UL); |
| 884 | write_wb_reg(ARM_BASE_BVR + i, 0UL); | 946 | write_wb_reg(ARM_BASE_BVR + i, 0UL); |
| 885 | } | 947 | } |
| @@ -895,6 +957,7 @@ static int __cpuinit dbg_reset_notify(struct notifier_block *self, · 9 unmodified lines | |||
| 895 | { | 957 | { |
| 896 | if (action == CPU_ONLINE) | 958 | if (action == CPU_ONLINE) |
| 897 | smp_call_function_single((int)cpu, reset_ctrl_regs, NULL, 1); | 959 | smp_call_function_single((int)cpu, reset_ctrl_regs, NULL, 1); |
| 960 | |||
| 898 | return NOTIFY_OK; | 961 | return NOTIFY_OK; |
| 899 | } | 962 | } |
| 900 | 963 | ||
| @@ -905,7 +968,6 @@ static struct notifier_block __cpuinitdata dbg_reset_nb = { · 4 unmodified lines | |||
| 905 | static int __init arch_hw_breakpoint_init(void) | 968 | static int __init arch_hw_breakpoint_init(void) |
| 906 | { | 969 | { |
| 907 | u32 dscr; | 970 | u32 dscr; |
| 908 | cpumask_t cpumask = { CPU_BITS_NONE }; | ||
| 909 | 971 | ||
| 910 | debug_arch = get_debug_arch(); | 972 | debug_arch = get_debug_arch(); |
| 911 | 973 | ||
| @@ -916,28 +978,31 @@ static int __init arch_hw_breakpoint_init(void) · 4 unmodified lines | |||
| 916 | 978 | ||
| 917 | /* Determine how many BRPs/WRPs are available. */ | 979 | /* Determine how many BRPs/WRPs are available. */ |
| 918 | core_num_brps = get_num_brps(); | 980 | core_num_brps = get_num_brps(); |
| 919 | core_num_reserved_brps = get_num_reserved_brps(); | ||
| 920 | core_num_wrps = get_num_wrps(); | 981 | core_num_wrps = get_num_wrps(); |
| 921 | 982 | ||
| 922 | pr_info("found %d breakpoint and %d watchpoint registers.\n", | 983 | /* |
| 923 | core_num_brps + core_num_reserved_brps, core_num_wrps); | 984 | * We need to tread carefully here because DBGSWENABLE may be |
| 924 | 985 | * driven low on this core and there isn't an architected way to | |
| 925 | if (core_num_reserved_brps) | 986 | * determine that. |
| 926 | pr_info("%d breakpoint(s) reserved for watchpoint " | 987 | */ |
| 927 | "single-step.\n", core_num_reserved_brps); | 988 | register_undef_hook(&debug_reg_hook); |
| 928 | 989 | ||
| 929 | /* | 990 | /* |
| 930 | * Reset the breakpoint resources. We assume that a halting | 991 | * Reset the breakpoint resources. We assume that a halting |
| 931 | * debugger will leave the world in a nice state for us. | 992 | * debugger will leave the world in a nice state for us. |
| 932 | */ | 993 | */ |
| 933 | on_each_cpu(reset_ctrl_regs, &cpumask, 1); | 994 | on_each_cpu(reset_ctrl_regs, NULL, 1); |
| 934 | if (!cpumask_empty(&cpumask)) { | 995 | unregister_undef_hook(&debug_reg_hook); |
| 996 | if (!cpumask_empty(&debug_err_mask)) { | ||
| 935 | core_num_brps = 0; | 997 | core_num_brps = 0; |
| 936 | core_num_reserved_brps = 0; | ||
| 937 | core_num_wrps = 0; | 998 | core_num_wrps = 0; |
| 938 | return 0; | 999 | return 0; |
| 939 | } | 1000 | } |
| 940 | 1001 | ||
| 1002 | pr_info("found %d " "%s" "breakpoint and %d watchpoint registers.\n", | ||
| 1003 | core_num_brps, core_has_mismatch_brps() ? "(+1 reserved) " : | ||
| 1004 | "", core_num_wrps); | ||
| 1005 | |||
| 941 | ARM_DBG_READ(c1, 0, dscr); | 1006 | ARM_DBG_READ(c1, 0, dscr); |
| 942 | if (dscr & ARM_DSCR_HDBGEN) { | 1007 | if (dscr & ARM_DSCR_HDBGEN) { |
| 943 | max_watchpoint_len = 4; | 1008 | max_watchpoint_len = 4; |
| @@ -1,4 +1,4 @@ | |||
| 1 | #include <linux/module.h> | 1 | #include <linux/export.h> |
| 2 | #include <linux/types.h> | 2 | #include <linux/types.h> |
| 3 | #include <linux/io.h> | 3 | #include <linux/io.h> |
| 4 | 4 | ||
| @@ -22,7 +22,6 @@ · 21 unmodified lines | |||
| 22 | * Naturally it's not a 1:1 relation, but there are similarities. | 22 | * Naturally it's not a 1:1 relation, but there are similarities. |
| 23 | */ | 23 | */ |
| 24 | #include <linux/kernel_stat.h> | 24 | #include <linux/kernel_stat.h> |
| 25 | #include <linux/module.h> | ||
| 26 | #include <linux/signal.h> | 25 | #include <linux/signal.h> |
| 27 | #include <linux/ioport.h> | 26 | #include <linux/ioport.h> |
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This diff is larger than a page shows: the files after these aren’t listed. Clone the repository to see all of it.