/* * Broadcom specific AMBA * Bus subsystem * * Licensed under the GNU/GPL. See COPYING for details. */ #include "bcma_private.h"#include <linux/module.h>#include <linux/mmc/sdio_func.h>#include <linux/platform_device.h>#include <linux/pci.h>#include <linux/bcma/bcma.h>#include <linux/slab.h>#include <linux/of_address.h>#include <linux/of_irq.h>#include <linux/of_device.h>#include <linux/of_platform.h> MODULE_DESCRIPTION("Broadcom's specific AMBA driver");MODULE_LICENSE("GPL"); /* contains the number the next bus should get. */static unsigned int bcma_bus_next_num; /* bcma_buses_mutex locks the bcma_bus_next_num */static DEFINE_MUTEX(bcma_buses_mutex); static int bcma_bus_match(struct device *dev, const struct device_driver *drv);static int bcma_device_probe(struct device *dev);static void bcma_device_remove(struct device *dev);static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env); static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf){ struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%03X\n", core->id.manuf);}static DEVICE_ATTR_RO(manuf); static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf){ struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%03X\n", core->id.id);}static DEVICE_ATTR_RO(id); static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf){ struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%02X\n", core->id.rev);}static DEVICE_ATTR_RO(rev); static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf){ struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%X\n", core->id.class);}static DEVICE_ATTR_RO(class); static struct attribute *bcma_device_attrs[] = { &dev_attr_manuf.attr, &dev_attr_id.attr, &dev_attr_rev.attr, &dev_attr_class.attr, NULL,};ATTRIBUTE_GROUPS(bcma_device); static const struct bus_type bcma_bus_type = { .name = "bcma", .match = bcma_bus_match, .probe = bcma_device_probe, .remove = bcma_device_remove, .uevent = bcma_device_uevent, .dev_groups = bcma_device_groups,}; static u16 bcma_cc_core_id(struct bcma_bus *bus){ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) return BCMA_CORE_4706_CHIPCOMMON; return BCMA_CORE_CHIPCOMMON;} struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, u8 unit){ struct bcma_device *core; list_for_each_entry(core, &bus->cores, list) { if (core->id.id == coreid && core->core_unit == unit) return core; } return NULL;}EXPORT_SYMBOL_GPL(bcma_find_core_unit); bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, int timeout){ unsigned long deadline = jiffies + timeout; u32 val; do { val = bcma_read32(core, reg); if ((val & mask) == value) return true; cpu_relax(); udelay(10); } while (!time_after_eq(jiffies, deadline)); bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); return false;} static void bcma_release_core_dev(struct device *dev){ struct bcma_device *core = container_of(dev, struct bcma_device, dev); if (core->io_addr) iounmap(core->io_addr); if (core->io_wrap) iounmap(core->io_wrap); kfree(core);} static bool bcma_is_core_needed_early(u16 core_id){ switch (core_id) { case BCMA_CORE_NS_NAND: case BCMA_CORE_NS_QSPI: return true; } return false;} static struct device_node *bcma_of_find_child_device(struct device *parent, struct bcma_device *core){ struct device_node *node; int ret; if (!parent->of_node) return NULL; for_each_child_of_node(parent->of_node, node) { struct resource res; ret = of_address_to_resource(node, 0, &res); if (ret) continue; if (res.start == core->addr) return node; } return NULL;} static int bcma_of_irq_parse(struct device *parent, struct bcma_device *core, struct of_phandle_args *out_irq, int num){ __be32 laddr[1]; int rc; if (core->dev.of_node) { rc = of_irq_parse_one(core->dev.of_node, num, out_irq); if (!rc) return rc; } out_irq->np = parent->of_node; out_irq->args_count = 1; out_irq->args[0] = num; laddr[0] = cpu_to_be32(core->addr); return of_irq_parse_raw(laddr, out_irq);} static unsigned int bcma_of_get_irq(struct device *parent, struct bcma_device *core, int num){ struct of_phandle_args out_irq; int ret; if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node) return 0; ret = bcma_of_irq_parse(parent, core, &out_irq, num); if (ret) { bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", ret); return 0; } return irq_create_of_mapping(&out_irq);} static void bcma_of_fill_device(struct device *parent, struct bcma_device *core){ struct device_node *node; node = bcma_of_find_child_device(parent, core); if (node) core->dev.of_node = node; core->irq = bcma_of_get_irq(parent, core, 0); of_dma_configure(&core->dev, node, false);} unsigned int bcma_core_irq(struct bcma_device *core, int num){ struct bcma_bus *bus = core->bus; unsigned int mips_irq; switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: return bus->host_pci->irq; case BCMA_HOSTTYPE_SOC: if (bus->drv_mips.core && num == 0) { mips_irq = bcma_core_mips_irq(core); return mips_irq <= 4 ? mips_irq + 2 : 0; } if (bus->dev) return bcma_of_get_irq(bus->dev, core, num); return 0; case BCMA_HOSTTYPE_SDIO: return 0; } return 0;}EXPORT_SYMBOL(bcma_core_irq); void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core){ device_initialize(&core->dev); core->dev.release = bcma_release_core_dev; core->dev.bus = &bcma_bus_type; dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index); core->dev.parent = bus->dev; if (bus->dev) bcma_of_fill_device(bus->dev, core); switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: core->dma_dev = bus->dev; core->irq = bus->host_pci->irq; break; case BCMA_HOSTTYPE_SOC: if (IS_ENABLED(CONFIG_OF) && bus->dev) { core->dma_dev = bus->dev; } else { core->dev.dma_mask = &core->dev.coherent_dma_mask; core->dma_dev = &core->dev; } break; case BCMA_HOSTTYPE_SDIO: break; }} void bcma_init_bus(struct bcma_bus *bus){ mutex_lock(&bcma_buses_mutex); bus->num = bcma_bus_next_num++; mutex_unlock(&bcma_buses_mutex); INIT_LIST_HEAD(&bus->cores); bus->nr_cores = 0; bcma_detect_chip(bus);} static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core){ int err; err = device_add(&core->dev); if (err) { bcma_err(bus, "Could not register dev for core 0x%03X\n", core->id.id); return; } core->dev_registered = true;} static int bcma_register_devices(struct bcma_bus *bus){ struct bcma_device *core; int err; list_for_each_entry(core, &bus->cores, list) { struct device_node *np; /* We support that core ourselves */ switch (core->id.id) { case BCMA_CORE_4706_CHIPCOMMON: case BCMA_CORE_CHIPCOMMON: case BCMA_CORE_NS_CHIPCOMMON_B: case BCMA_CORE_PCI: case BCMA_CORE_PCIE: case BCMA_CORE_PCIE2: case BCMA_CORE_MIPS_74K: case BCMA_CORE_4706_MAC_GBIT_COMMON: continue; } /* Early cores were already registered */ if (bcma_is_core_needed_early(core->id.id)) continue; np = core->dev.of_node; if (np && !of_device_is_available(np)) continue; /* Only first GMAC core on BCM4706 is connected and working */ if (core->id.id == BCMA_CORE_4706_MAC_GBIT && core->core_unit > 0) continue; bcma_register_core(bus, core); } #ifdef CONFIG_BCMA_PFLASH if (bus->drv_cc.pflash.present) { err = platform_device_register(&bcma_pflash_dev); if (err) bcma_err(bus, "Error registering parallel flash\n"); }#endif #ifdef CONFIG_BCMA_SFLASH if (bus->drv_cc.sflash.present) { err = platform_device_register(&bcma_sflash_dev); if (err) bcma_err(bus, "Error registering serial flash\n"); }#endif #ifdef CONFIG_BCMA_NFLASH if (bus->drv_cc.nflash.present) { err = platform_device_register(&bcma_nflash_dev); if (err) bcma_err(bus, "Error registering NAND flash\n"); }#endif err = bcma_gpio_init(&bus->drv_cc); if (err == -ENOTSUPP) bcma_debug(bus, "GPIO driver not activated\n"); else if (err) { bcma_err(bus, "Error registering GPIO driver: %i\n", err); return err; } if (bus->hosttype == BCMA_HOSTTYPE_SOC) { err = bcma_chipco_watchdog_register(&bus->drv_cc); if (err) bcma_err(bus, "Error registering watchdog driver\n"); } return 0;} void bcma_unregister_cores(struct bcma_bus *bus){ struct bcma_device *core, *tmp; list_for_each_entry_safe(core, tmp, &bus->cores, list) { if (!core->dev_registered) continue; list_del(&core->list); device_unregister(&core->dev); } if (bus->hosttype == BCMA_HOSTTYPE_SOC) platform_device_unregister(bus->drv_cc.watchdog); /* Now no one uses internally-handled cores, we can free them */ list_for_each_entry_safe(core, tmp, &bus->cores, list) { list_del(&core->list); put_device(&core->dev); }} int bcma_bus_register(struct bcma_bus *bus){ int err; struct bcma_device *core; /* Scan for devices (cores) */ err = bcma_bus_scan(bus); if (err) { bcma_err(bus, "Failed to scan: %d\n", err); return err; } /* Early init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { bus->drv_cc.core = core; bcma_core_chipcommon_early_init(&bus->drv_cc); } /* Early init PCIE core */ core = bcma_find_core(bus, BCMA_CORE_PCIE); if (core) { bus->drv_pci[0].core = core; bcma_core_pci_early_init(&bus->drv_pci[0]); } if (bus->dev) of_platform_default_populate(bus->dev->of_node, NULL, bus->dev); /* Cores providing flash access go before SPROM init */ list_for_each_entry(core, &bus->cores, list) { if (bcma_is_core_needed_early(core->id.id)) bcma_register_core(bus, core); } /* Try to get SPROM */ err = bcma_sprom_get(bus); if (err == -ENOENT) { bcma_err(bus, "No SPROM available\n"); } else if (err) bcma_err(bus, "Failed to get SPROM: %d\n", err); /* Init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { bus->drv_cc.core = core; bcma_core_chipcommon_init(&bus->drv_cc); } /* Init CC core */ core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); if (core) { bus->drv_cc_b.core = core; bcma_core_chipcommon_b_init(&bus->drv_cc_b); } /* Init MIPS core */ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); if (core) { bus->drv_mips.core = core; bcma_core_mips_init(&bus->drv_mips); } /* Init PCIE core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); if (core) { bus->drv_pci[0].core = core; bcma_core_pci_init(&bus->drv_pci[0]); } /* Init PCIE core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); if (core) { bus->drv_pci[1].core = core; bcma_core_pci_init(&bus->drv_pci[1]); } /* Init PCIe Gen 2 core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); if (core) { bus->drv_pcie2.core = core; bcma_core_pcie2_init(&bus->drv_pcie2); } /* Init GBIT MAC COMMON core */ core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); if (core) { bus->drv_gmac_cmn.core = core; bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); } /* Register found cores */ bcma_register_devices(bus); bcma_info(bus, "Bus registered\n"); return 0;} void bcma_bus_unregister(struct bcma_bus *bus){ int err; err = bcma_gpio_unregister(&bus->drv_cc); if (err == -EBUSY) bcma_err(bus, "Some GPIOs are still in use.\n"); else if (err) bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); bcma_core_chipcommon_b_free(&bus->drv_cc_b); bcma_unregister_cores(bus);}Lines 1–500 of 705. 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/* * Broadcom specific AMBA * Bus subsystem * * Licensed under the GNU/GPL. See COPYING for details. */ #include "bcma_private.h" #include <linux/module.h> #include <linux/mmc/sdio_func.h> #include <linux/platform_device.h> #include <linux/pci.h> #include <linux/bcma/bcma.h> #include <linux/slab.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_device.h> #include <linux/of_platform.h> MODULE_DESCRIPTION("Broadcom's specific AMBA driver"); MODULE_LICENSE("GPL"); /* contains the number the next bus should get. */ static unsigned int bcma_bus_next_num; /* bcma_buses_mutex locks the bcma_bus_next_num */ static DEFINE_MUTEX(bcma_buses_mutex); static int bcma_bus_match(struct device *dev, const struct device_driver *drv); static int bcma_device_probe(struct device *dev); static void bcma_device_remove(struct device *dev); static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env); static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%03X\n", core->id.manuf); } static DEVICE_ATTR_RO(manuf); static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%03X\n", core->id.id); } static DEVICE_ATTR_RO(id); static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%02X\n", core->id.rev); } static DEVICE_ATTR_RO(rev); static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); return sprintf(buf, "0x%X\n", core->id.class); } static DEVICE_ATTR_RO(class); static struct attribute *bcma_device_attrs[] = { &dev_attr_manuf.attr, &dev_attr_id.attr, &dev_attr_rev.attr, &dev_attr_class.attr, NULL, }; ATTRIBUTE_GROUPS(bcma_device); static const struct bus_type bcma_bus_type = { .name = "bcma", .match = bcma_bus_match, .probe = bcma_device_probe, .remove = bcma_device_remove, .uevent = bcma_device_uevent, .dev_groups = bcma_device_groups, }; static u16 bcma_cc_core_id(struct bcma_bus *bus) { if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) return BCMA_CORE_4706_CHIPCOMMON; return BCMA_CORE_CHIPCOMMON; } struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, u8 unit) { struct bcma_device *core; list_for_each_entry(core, &bus->cores, list) { if (core->id.id == coreid && core->core_unit == unit) return core; } return NULL; } EXPORT_SYMBOL_GPL(bcma_find_core_unit); bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, int timeout) { unsigned long deadline = jiffies + timeout; u32 val; do { val = bcma_read32(core, reg); if ((val & mask) == value) return true; cpu_relax(); udelay(10); } while (!time_after_eq(jiffies, deadline)); bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); return false; } static void bcma_release_core_dev(struct device *dev) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); if (core->io_addr) iounmap(core->io_addr); if (core->io_wrap) iounmap(core->io_wrap); kfree(core); } static bool bcma_is_core_needed_early(u16 core_id) { switch (core_id) { case BCMA_CORE_NS_NAND: case BCMA_CORE_NS_QSPI: return true; } return false; } static struct device_node *bcma_of_find_child_device(struct device *parent, struct bcma_device *core) { struct device_node *node; int ret; if (!parent->of_node) return NULL; for_each_child_of_node(parent->of_node, node) { struct resource res; ret = of_address_to_resource(node, 0, &res); if (ret) continue; if (res.start == core->addr) return node; } return NULL; } static int bcma_of_irq_parse(struct device *parent, struct bcma_device *core, struct of_phandle_args *out_irq, int num) { __be32 laddr[1]; int rc; if (core->dev.of_node) { rc = of_irq_parse_one(core->dev.of_node, num, out_irq); if (!rc) return rc; } out_irq->np = parent->of_node; out_irq->args_count = 1; out_irq->args[0] = num; laddr[0] = cpu_to_be32(core->addr); return of_irq_parse_raw(laddr, out_irq); } static unsigned int bcma_of_get_irq(struct device *parent, struct bcma_device *core, int num) { struct of_phandle_args out_irq; int ret; if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node) return 0; ret = bcma_of_irq_parse(parent, core, &out_irq, num); if (ret) { bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", ret); return 0; } return irq_create_of_mapping(&out_irq); } static void bcma_of_fill_device(struct device *parent, struct bcma_device *core) { struct device_node *node; node = bcma_of_find_child_device(parent, core); if (node) core->dev.of_node = node; core->irq = bcma_of_get_irq(parent, core, 0); of_dma_configure(&core->dev, node, false); } unsigned int bcma_core_irq(struct bcma_device *core, int num) { struct bcma_bus *bus = core->bus; unsigned int mips_irq; switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: return bus->host_pci->irq; case BCMA_HOSTTYPE_SOC: if (bus->drv_mips.core && num == 0) { mips_irq = bcma_core_mips_irq(core); return mips_irq <= 4 ? mips_irq + 2 : 0; } if (bus->dev) return bcma_of_get_irq(bus->dev, core, num); return 0; case BCMA_HOSTTYPE_SDIO: return 0; } return 0; } EXPORT_SYMBOL(bcma_core_irq); void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) { device_initialize(&core->dev); core->dev.release = bcma_release_core_dev; core->dev.bus = &bcma_bus_type; dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index); core->dev.parent = bus->dev; if (bus->dev) bcma_of_fill_device(bus->dev, core); switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: core->dma_dev = bus->dev; core->irq = bus->host_pci->irq; break; case BCMA_HOSTTYPE_SOC: if (IS_ENABLED(CONFIG_OF) && bus->dev) { core->dma_dev = bus->dev; } else { core->dev.dma_mask = &core->dev.coherent_dma_mask; core->dma_dev = &core->dev; } break; case BCMA_HOSTTYPE_SDIO: break; } } void bcma_init_bus(struct bcma_bus *bus) { mutex_lock(&bcma_buses_mutex); bus->num = bcma_bus_next_num++; mutex_unlock(&bcma_buses_mutex); INIT_LIST_HEAD(&bus->cores); bus->nr_cores = 0; bcma_detect_chip(bus); } static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) { int err; err = device_add(&core->dev); if (err) { bcma_err(bus, "Could not register dev for core 0x%03X\n", core->id.id); return; } core->dev_registered = true; } static int bcma_register_devices(struct bcma_bus *bus) { struct bcma_device *core; int err; list_for_each_entry(core, &bus->cores, list) { struct device_node *np; /* We support that core ourselves */ switch (core->id.id) { case BCMA_CORE_4706_CHIPCOMMON: case BCMA_CORE_CHIPCOMMON: case BCMA_CORE_NS_CHIPCOMMON_B: case BCMA_CORE_PCI: case BCMA_CORE_PCIE: case BCMA_CORE_PCIE2: case BCMA_CORE_MIPS_74K: case BCMA_CORE_4706_MAC_GBIT_COMMON: continue; } /* Early cores were already registered */ if (bcma_is_core_needed_early(core->id.id)) continue; np = core->dev.of_node; if (np && !of_device_is_available(np)) continue; /* Only first GMAC core on BCM4706 is connected and working */ if (core->id.id == BCMA_CORE_4706_MAC_GBIT && core->core_unit > 0) continue; bcma_register_core(bus, core); } #ifdef CONFIG_BCMA_PFLASH if (bus->drv_cc.pflash.present) { err = platform_device_register(&bcma_pflash_dev); if (err) bcma_err(bus, "Error registering parallel flash\n"); } #endif #ifdef CONFIG_BCMA_SFLASH if (bus->drv_cc.sflash.present) { err = platform_device_register(&bcma_sflash_dev); if (err) bcma_err(bus, "Error registering serial flash\n"); } #endif #ifdef CONFIG_BCMA_NFLASH if (bus->drv_cc.nflash.present) { err = platform_device_register(&bcma_nflash_dev); if (err) bcma_err(bus, "Error registering NAND flash\n"); } #endif err = bcma_gpio_init(&bus->drv_cc); if (err == -ENOTSUPP) bcma_debug(bus, "GPIO driver not activated\n"); else if (err) { bcma_err(bus, "Error registering GPIO driver: %i\n", err); return err; } if (bus->hosttype == BCMA_HOSTTYPE_SOC) { err = bcma_chipco_watchdog_register(&bus->drv_cc); if (err) bcma_err(bus, "Error registering watchdog driver\n"); } return 0; } void bcma_unregister_cores(struct bcma_bus *bus) { struct bcma_device *core, *tmp; list_for_each_entry_safe(core, tmp, &bus->cores, list) { if (!core->dev_registered) continue; list_del(&core->list); device_unregister(&core->dev); } if (bus->hosttype == BCMA_HOSTTYPE_SOC) platform_device_unregister(bus->drv_cc.watchdog); /* Now no one uses internally-handled cores, we can free them */ list_for_each_entry_safe(core, tmp, &bus->cores, list) { list_del(&core->list); put_device(&core->dev); } } int bcma_bus_register(struct bcma_bus *bus) { int err; struct bcma_device *core; /* Scan for devices (cores) */ err = bcma_bus_scan(bus); if (err) { bcma_err(bus, "Failed to scan: %d\n", err); return err; } /* Early init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { bus->drv_cc.core = core; bcma_core_chipcommon_early_init(&bus->drv_cc); } /* Early init PCIE core */ core = bcma_find_core(bus, BCMA_CORE_PCIE); if (core) { bus->drv_pci[0].core = core; bcma_core_pci_early_init(&bus->drv_pci[0]); } if (bus->dev) of_platform_default_populate(bus->dev->of_node, NULL, bus->dev); /* Cores providing flash access go before SPROM init */ list_for_each_entry(core, &bus->cores, list) { if (bcma_is_core_needed_early(core->id.id)) bcma_register_core(bus, core); } /* Try to get SPROM */ err = bcma_sprom_get(bus); if (err == -ENOENT) { bcma_err(bus, "No SPROM available\n"); } else if (err) bcma_err(bus, "Failed to get SPROM: %d\n", err); /* Init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { bus->drv_cc.core = core; bcma_core_chipcommon_init(&bus->drv_cc); } /* Init CC core */ core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); if (core) { bus->drv_cc_b.core = core; bcma_core_chipcommon_b_init(&bus->drv_cc_b); } /* Init MIPS core */ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); if (core) { bus->drv_mips.core = core; bcma_core_mips_init(&bus->drv_mips); } /* Init PCIE core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); if (core) { bus->drv_pci[0].core = core; bcma_core_pci_init(&bus->drv_pci[0]); } /* Init PCIE core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); if (core) { bus->drv_pci[1].core = core; bcma_core_pci_init(&bus->drv_pci[1]); } /* Init PCIe Gen 2 core */ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); if (core) { bus->drv_pcie2.core = core; bcma_core_pcie2_init(&bus->drv_pcie2); } /* Init GBIT MAC COMMON core */ core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); if (core) { bus->drv_gmac_cmn.core = core; bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); } /* Register found cores */ bcma_register_devices(bus); bcma_info(bus, "Bus registered\n"); return 0; } void bcma_bus_unregister(struct bcma_bus *bus) { int err; err = bcma_gpio_unregister(&bus->drv_cc); if (err == -EBUSY) bcma_err(bus, "Some GPIOs are still in use.\n"); else if (err) bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); bcma_core_chipcommon_b_free(&bus->drv_cc_b); bcma_unregister_cores(bus); }