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ARM: debug: Use generic 8250 debug_ll for omap3/4/5

We want to use generic 8250 debug_ll code to get DEBUG_UNCOMPRESS working and to simplify the code. The old debug_ll code is no longer needed and the machine ID based detection is no longer used. Note that for most part there's no need to keep DEBUG_LL enabled. We now have CONFIG_SERIAL_EARLYCON working very early as long as the kernel cmdline has "earlycon" in it and the board specific dts file has chosen configured with with the port using stdout-path.

Tony Lindgren committed 9 years ago

Commit fc23beb1 parent d2b310b2 files · +12 −38Browse files

Unified · Split

2 files
  1. arch/arm/Kconfig.debug +12 −6
  2. arch/arm/include/debug/omap2plus.S +0 −32
arch/arm/Kconfig.debug+12−6
@@ -664,7 +664,7 @@ choice · 663 unmodified lines
664 config DEBUG_OMAP3UART3664 config DEBUG_OMAP3UART3
665 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"665 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
666 depends on ARCH_OMAP2PLUS666 depends on ARCH_OMAP2PLUS
667 select DEBUG_OMAP2PLUS_UART667 select DEBUG_UART_8250
668 help668 help
669 This covers at least cm_t3x, beagle, crane, devkit8000,669 This covers at least cm_t3x, beagle, crane, devkit8000,
670 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,670 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
@@ -673,17 +673,17 @@ choice · 2 unmodified lines
673 config DEBUG_OMAP4UART3673 config DEBUG_OMAP4UART3
674 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"674 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
675 depends on ARCH_OMAP2PLUS675 depends on ARCH_OMAP2PLUS
676 select DEBUG_OMAP2PLUS_UART676 select DEBUG_UART_8250
677 677
678 config DEBUG_OMAP3UART4678 config DEBUG_OMAP3UART4
679 bool "Kernel low-level debugging messages via OMAP36XX UART4"679 bool "Kernel low-level debugging messages via OMAP36XX UART4"
680 depends on ARCH_OMAP2PLUS680 depends on ARCH_OMAP2PLUS
681 select DEBUG_OMAP2PLUS_UART681 select DEBUG_UART_8250
682 682
683 config DEBUG_OMAP4UART4683 config DEBUG_OMAP4UART4
684 bool "Kernel low-level debugging messages via OMAP4/5 UART4"684 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
685 depends on ARCH_OMAP2PLUS685 depends on ARCH_OMAP2PLUS
686 select DEBUG_OMAP2PLUS_UART686 select DEBUG_UART_8250
687 687
688 config DEBUG_OMAP7XXUART1688 config DEBUG_OMAP7XXUART1
689 bool "Kernel low-level debugging via OMAP730 UART1"689 bool "Kernel low-level debugging via OMAP730 UART1"
@@ -1523,11 +1523,14 @@ config DEBUG_UART_PHYS · 833 unmodified lines
1523 default 0x40090000 if DEBUG_LPC32XX1523 default 0x40090000 if DEBUG_LPC32XX
1524 default 0x40100000 if DEBUG_PXA_UART11524 default 0x40100000 if DEBUG_PXA_UART1
1525 default 0x42000000 if DEBUG_GEMINI1525 default 0x42000000 if DEBUG_GEMINI
1526 default 0x48020000 if DEBUG_OMAP4UART3
1526 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \1527 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
1527 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART11528 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
1528 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \1529 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
1529 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART21530 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
1530 default 0x4806e000 if DEBUG_OMAP2UART31531 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1532 default 0x49020000 if DEBUG_OMAP3UART3
1533 default 0x49042000 if DEBUG_OMAP3UART4
1531 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \1534 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1532 DEBUG_S3C2410_UART0)1535 DEBUG_S3C2410_UART0)
1533 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \1536 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
@@ -1646,15 +1649,18 @@ config DEBUG_UART_VIRT · 112 unmodified lines
1646 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS11649 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1647 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU1650 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU
1648 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU1651 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU
1652 default 0xfa020000 if DEBUG_OMAP4UART3
1649 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \1653 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
1650 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART11654 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
1651 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \1655 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
1652 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART21656 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
1653 default 0xfa06e000 if DEBUG_OMAP2UART31657 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1654 default 0xfa71e000 if DEBUG_QCOM_UARTDM1658 default 0xfa71e000 if DEBUG_QCOM_UARTDM
1655 default 0xfb002000 if DEBUG_CNS3XXX1659 default 0xfb002000 if DEBUG_CNS3XXX
1656 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT1660 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1657 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART31661 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3
1662 default 0xfb020000 if DEBUG_OMAP3UART3
1663 default 0xfb042000 if DEBUG_OMAP3UART4
1658 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT1664 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1659 default 0xfc705000 if DEBUG_ZTE_ZX1665 default 0xfc705000 if DEBUG_ZTE_ZX
1660 default 0xfcfe8600 if DEBUG_BCM63XX_UART1666 default 0xfcfe8600 if DEBUG_BCM63XX_UART
arch/arm/include/debug/omap2plus.S+0−32
@@ -13,14 +13,8 @@ · 12 unmodified lines
13#include <linux/serial_reg.h>13#include <linux/serial_reg.h>
14 14
15/* OMAP3 serial ports */15/* OMAP3 serial ports */
16#define OMAP3_UART3_BASE 0x49020000
17#define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */
18#define OMAP3_UART4_AM35XX_BASE 0x4809E000 /* Only on AM35xx */16#define OMAP3_UART4_AM35XX_BASE 0x4809E000 /* Only on AM35xx */
19 17
20/* OMAP4 serial ports */
21#define OMAP4_UART3_BASE 0x48020000
22#define OMAP4_UART4_BASE 0x4806e000
23
24/* TI81XX serial ports */18/* TI81XX serial ports */
25#define TI81XX_UART1_BASE 0x4802000019#define TI81XX_UART1_BASE 0x48020000
26#define TI81XX_UART2_BASE 0x4802200020#define TI81XX_UART2_BASE 0x48022000
@@ -32,12 +26,6 @@ · 5 unmodified lines
32/* AM33XX serial port */26/* AM33XX serial port */
33#define AM33XX_UART1_BASE 0x44E0900027#define AM33XX_UART1_BASE 0x44E09000
34 28
35/* OMAP5 serial ports */
36#define OMAP5_UART3_BASE OMAP4_UART3_BASE
37#define OMAP5_UART4_BASE OMAP4_UART4_BASE
38#define OMAP5_UART5_BASE 0x48066000
39#define OMAP5_UART6_BASE 0x48068000
40
41/* External port on Zoom2/3 */29/* External port on Zoom2/3 */
42#define ZOOM_UART_BASE 0x1000000030#define ZOOM_UART_BASE 0x10000000
43#define ZOOM_UART_VIRT 0xfa40000031#define ZOOM_UART_VIRT 0xfa400000
@@ -68,26 +56,6 @@ omap_uart_lsr: .word 0 · 24 unmodified lines
68 bne 100f @ already configured56 bne 100f @ already configured
69 57
70 /* Configure the UART offset from the phys/virt base */58 /* Configure the UART offset from the phys/virt base */
71#ifdef CONFIG_DEBUG_OMAP3UART3
72 mov \rp, #UART_OFFSET(OMAP3_UART1_BASE)
73 add \rp, \rp, #0x00fb0000
74 add \rp, \rp, #0x00006000 @ OMAP3_UART3_BASE
75 b 98f
76#endif
77#ifdef CONFIG_DEBUG_OMAP4UART3
78 mov \rp, #UART_OFFSET(OMAP4_UART3_BASE)
79 b 98f
80#endif
81#ifdef CONFIG_DEBUG_OMAP3UART4
82 mov \rp, #UART_OFFSET(OMAP3_UART1_BASE)
83 add \rp, \rp, #0x00fb0000
84 add \rp, \rp, #0x00028000 @ OMAP3_UART4_BASE
85 b 98f
86#endif
87#ifdef CONFIG_DEBUG_OMAP4UART4
88 mov \rp, #UART_OFFSET(OMAP4_UART4_BASE)
89 b 98f
90#endif
91#ifdef CONFIG_DEBUG_TI81XXUART159#ifdef CONFIG_DEBUG_TI81XXUART1
92 mov \rp, #UART_OFFSET(TI81XX_UART1_BASE)60 mov \rp, #UART_OFFSET(TI81XX_UART1_BASE)
93 b 98f61 b 98f

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