diff options
Diffstat (limited to 'drivers/bcma')
-rw-r--r-- | drivers/bcma/Makefile | 1 | ||||
-rw-r--r-- | drivers/bcma/bcma_private.h | 18 | ||||
-rw-r--r-- | drivers/bcma/driver_chipcommon_b.c | 61 | ||||
-rw-r--r-- | drivers/bcma/driver_gpio.c | 8 | ||||
-rw-r--r-- | drivers/bcma/driver_mips.c | 62 | ||||
-rw-r--r-- | drivers/bcma/host_pci.c | 4 | ||||
-rw-r--r-- | drivers/bcma/host_soc.c | 99 | ||||
-rw-r--r-- | drivers/bcma/main.c | 150 | ||||
-rw-r--r-- | drivers/bcma/scan.c | 34 |
9 files changed, 384 insertions, 53 deletions
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile index 91290f7f61b8..838b4b9d352f 100644 --- a/drivers/bcma/Makefile +++ b/drivers/bcma/Makefile @@ -1,5 +1,6 @@ bcma-y += main.o scan.o core.o sprom.o bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o +bcma-y += driver_chipcommon_b.o bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o bcma-y += driver_pci.o diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 09b632ad0fe2..b6412b2d748d 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -50,6 +50,10 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc); extern struct platform_device bcma_pflash_dev; #endif /* CONFIG_BCMA_DRIVER_MIPS */ +/* driver_chipcommon_b.c */ +int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb); +void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb); + /* driver_chipcommon_pmu.c */ u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc); u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc); @@ -84,6 +88,20 @@ extern int __init bcma_host_pci_init(void); extern void __exit bcma_host_pci_exit(void); #endif /* CONFIG_BCMA_HOST_PCI */ +/* host_soc.c */ +#if defined(CONFIG_BCMA_HOST_SOC) && defined(CONFIG_OF) +extern int __init bcma_host_soc_register_driver(void); +extern void __exit bcma_host_soc_unregister_driver(void); +#else +static inline int __init bcma_host_soc_register_driver(void) +{ + return 0; +} +static inline void __exit bcma_host_soc_unregister_driver(void) +{ +} +#endif /* CONFIG_BCMA_HOST_SOC && CONFIG_OF */ + /* driver_pci.c */ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address); diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c new file mode 100644 index 000000000000..c20b5f4ff290 --- /dev/null +++ b/drivers/bcma/driver_chipcommon_b.c @@ -0,0 +1,61 @@ +/* + * Broadcom specific AMBA + * ChipCommon B Unit driver + * + * Copyright 2014, Hauke Mehrtens <hauke@hauke-m.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include "bcma_private.h" +#include <linux/export.h> +#include <linux/bcma/bcma.h> + +static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask, + u32 value, int timeout) +{ + unsigned long deadline = jiffies + timeout; + u32 val; + + do { + val = readl(addr); + if ((val & mask) == value) + return true; + cpu_relax(); + udelay(10); + } while (!time_after_eq(jiffies, deadline)); + + bcma_err(bus, "Timeout waiting for register %p\n", addr); + + return false; +} + +void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value) +{ + struct bcma_bus *bus = ccb->core->bus; + + writel(offset, ccb->mii + 0x00); + bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100); + writel(value, ccb->mii + 0x04); + bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100); +} +EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write); + +int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb) +{ + if (ccb->setup_done) + return 0; + + ccb->setup_done = 1; + ccb->mii = ioremap_nocache(ccb->core->addr_s[1], BCMA_CORE_SIZE); + if (!ccb->mii) + return -ENOMEM; + + return 0; +} + +void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb) +{ + if (ccb->mii) + iounmap(ccb->mii); +} diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 710fa62dd5ae..706b9ae0dcfb 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); } -#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC) +#if IS_BUILTIN(CONFIG_BCM47XX) static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) { struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); @@ -215,9 +215,13 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) chip->set = bcma_gpio_set_value; chip->direction_input = bcma_gpio_direction_input; chip->direction_output = bcma_gpio_direction_output; -#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC) +#if IS_BUILTIN(CONFIG_BCM47XX) chip->to_irq = bcma_gpio_to_irq; #endif +#if IS_BUILTIN(CONFIG_OF) + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + chip->of_node = cc->core->dev.of_node; +#endif switch (cc->core->bus->chipinfo.id) { case BCMA_CHIP_ID_BCM5357: case BCMA_CHIP_ID_BCM53572: diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index 11115bbe115c..004d6aa671ce 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -21,6 +21,14 @@ #include <linux/serial_reg.h> #include <linux/time.h> +enum bcma_boot_dev { + BCMA_BOOT_DEV_UNK = 0, + BCMA_BOOT_DEV_ROM, + BCMA_BOOT_DEV_PARALLEL, + BCMA_BOOT_DEV_SERIAL, + BCMA_BOOT_DEV_NAND, +}; + static const char * const part_probes[] = { "bcm47xxpart", NULL }; static struct physmap_flash_data bcma_pflash_data = { @@ -229,11 +237,51 @@ u32 bcma_cpu_clock(struct bcma_drv_mips *mcore) } EXPORT_SYMBOL(bcma_cpu_clock); +static enum bcma_boot_dev bcma_boot_dev(struct bcma_bus *bus) +{ + struct bcma_drv_cc *cc = &bus->drv_cc; + u8 cc_rev = cc->core->id.rev; + + if (cc_rev == 42) { + struct bcma_device *core; + + core = bcma_find_core(bus, BCMA_CORE_NS_ROM); + if (core) { + switch (bcma_aread32(core, BCMA_IOST) & + BCMA_NS_ROM_IOST_BOOT_DEV_MASK) { + case BCMA_NS_ROM_IOST_BOOT_DEV_NOR: + return BCMA_BOOT_DEV_SERIAL; + case BCMA_NS_ROM_IOST_BOOT_DEV_NAND: + return BCMA_BOOT_DEV_NAND; + case BCMA_NS_ROM_IOST_BOOT_DEV_ROM: + default: + return BCMA_BOOT_DEV_ROM; + } + } + } else { + if (cc_rev == 38) { + if (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT) + return BCMA_BOOT_DEV_NAND; + else if (cc->status & BIT(5)) + return BCMA_BOOT_DEV_ROM; + } + + if ((cc->capabilities & BCMA_CC_CAP_FLASHT) == + BCMA_CC_FLASHT_PARA) + return BCMA_BOOT_DEV_PARALLEL; + else + return BCMA_BOOT_DEV_SERIAL; + } + + return BCMA_BOOT_DEV_SERIAL; +} + static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) { struct bcma_bus *bus = mcore->core->bus; struct bcma_drv_cc *cc = &bus->drv_cc; struct bcma_pflash *pflash = &cc->pflash; + enum bcma_boot_dev boot_dev; switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { case BCMA_CC_FLASHT_STSER: @@ -269,6 +317,20 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) bcma_nflash_init(cc); } } + + /* Determine flash type this SoC boots from */ + boot_dev = bcma_boot_dev(bus); + switch (boot_dev) { + case BCMA_BOOT_DEV_PARALLEL: + case BCMA_BOOT_DEV_SERIAL: + /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */ + break; + case BCMA_BOOT_DEV_NAND: + /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */ + break; + default: + break; + } } void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 294a7dd25190..1e5ac0a79696 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -208,6 +208,9 @@ static int bcma_host_pci_probe(struct pci_dev *dev, bus->boardinfo.vendor = bus->host_pci->subsystem_vendor; bus->boardinfo.type = bus->host_pci->subsystem_device; + /* Initialize struct, detect chip */ + bcma_init_bus(bus); + /* Register */ err = bcma_bus_register(bus); if (err) @@ -282,6 +285,7 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xA8DB */ { 0, }, }; MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl); diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c index 3475e600011a..335cbcfd945b 100644 --- a/drivers/bcma/host_soc.c +++ b/drivers/bcma/host_soc.c @@ -7,6 +7,9 @@ #include "bcma_private.h" #include "scan.h" +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/of_address.h> #include <linux/bcma/bcma.h> #include <linux/bcma/bcma_soc.h> @@ -134,12 +137,16 @@ static void bcma_host_soc_block_write(struct bcma_device *core, static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset) { + if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n")) + return ~0; return readl(core->io_wrap + offset); } static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset, u32 value) { + if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n")) + return; writel(value, core->io_wrap + offset); } @@ -161,7 +168,6 @@ static const struct bcma_host_ops bcma_host_soc_ops = { int __init bcma_host_soc_register(struct bcma_soc *soc) { struct bcma_bus *bus = &soc->bus; - int err; /* iomap only first core. We have to read some register on this core * to scan the bus. @@ -173,11 +179,100 @@ int __init bcma_host_soc_register(struct bcma_soc *soc) /* Host specific */ bus->hosttype = BCMA_HOSTTYPE_SOC; bus->ops = &bcma_host_soc_ops; + bus->host_pdev = NULL; - /* Register */ + /* Initialize struct, detect chip */ + bcma_init_bus(bus); + + return 0; +} + +int __init bcma_host_soc_init(struct bcma_soc *soc) +{ + struct bcma_bus *bus = &soc->bus; + int err; + + /* Scan bus and initialize it */ err = bcma_bus_early_register(bus, &soc->core_cc, &soc->core_mips); if (err) iounmap(bus->mmio); return err; } + +#ifdef CONFIG_OF +static int bcma_host_soc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct bcma_bus *bus; + int err; + + /* Alloc */ + bus = devm_kzalloc(dev, sizeof(*bus), GFP_KERNEL); + if (!bus) + return -ENOMEM; + + /* Map MMIO */ + bus->mmio = of_iomap(np, 0); + if (!bus->mmio) + return -ENOMEM; + + /* Host specific */ + bus->hosttype = BCMA_HOSTTYPE_SOC; + bus->ops = &bcma_host_soc_ops; + bus->host_pdev = pdev; + + /* Initialize struct, detect chip */ + bcma_init_bus(bus); + + /* Register */ + err = bcma_bus_register(bus); + if (err) + goto err_unmap_mmio; + + platform_set_drvdata(pdev, bus); + + return err; + +err_unmap_mmio: + iounmap(bus->mmio); + return err; +} + +static int bcma_host_soc_remove(struct platform_device *pdev) +{ + struct bcma_bus *bus = platform_get_drvdata(pdev); + + bcma_bus_unregister(bus); + iounmap(bus->mmio); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static const struct of_device_id bcma_host_soc_of_match[] = { + { .compatible = "brcm,bus-axi", }, + {}, +}; +MODULE_DEVICE_TABLE(of, bcma_host_soc_of_match); + +static struct platform_driver bcma_host_soc_driver = { + .driver = { + .name = "bcma-host-soc", + .of_match_table = bcma_host_soc_of_match, + }, + .probe = bcma_host_soc_probe, + .remove = bcma_host_soc_remove, +}; + +int __init bcma_host_soc_register_driver(void) +{ + return platform_driver_register(&bcma_host_soc_driver); +} + +void __exit bcma_host_soc_unregister_driver(void) +{ + platform_driver_unregister(&bcma_host_soc_driver); +} +#endif /* CONFIG_OF */ diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 0ff8d58831ef..d1656c2f70af 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -10,6 +10,7 @@ #include <linux/platform_device.h> #include <linux/bcma/bcma.h> #include <linux/slab.h> +#include <linux/of_address.h> MODULE_DESCRIPTION("Broadcom's specific AMBA driver"); MODULE_LICENSE("GPL"); @@ -120,16 +121,103 @@ static void bcma_release_core_dev(struct device *dev) kfree(core); } -static int bcma_register_cores(struct bcma_bus *bus) +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; +} + +#ifdef CONFIG_OF +static struct device_node *bcma_of_find_child_device(struct platform_device *parent, + struct bcma_device *core) +{ + struct device_node *node; + u64 size; + const __be32 *reg; + + if (!parent || !parent->dev.of_node) + return NULL; + + for_each_child_of_node(parent->dev.of_node, node) { + reg = of_get_address(node, 0, &size, NULL); + if (!reg) + continue; + if (of_translate_address(node, reg) == core->addr) + return node; + } + return NULL; +} + +static void bcma_of_fill_device(struct platform_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; +} +#else +static void bcma_of_fill_device(struct platform_device *parent, + struct bcma_device *core) +{ +} +#endif /* CONFIG_OF */ + +static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) +{ + int err; + + 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); + + switch (bus->hosttype) { + case BCMA_HOSTTYPE_PCI: + core->dev.parent = &bus->host_pci->dev; + core->dma_dev = &bus->host_pci->dev; + core->irq = bus->host_pci->irq; + break; + case BCMA_HOSTTYPE_SOC: + core->dev.dma_mask = &core->dev.coherent_dma_mask; + if (bus->host_pdev) { + core->dma_dev = &bus->host_pdev->dev; + core->dev.parent = &bus->host_pdev->dev; + bcma_of_fill_device(bus->host_pdev, core); + } else { + core->dma_dev = &core->dev; + } + break; + case BCMA_HOSTTYPE_SDIO: + break; + } + + err = device_register(&core->dev); + if (err) { + bcma_err(bus, "Could not register dev for core 0x%03X\n", + core->id.id); + put_device(&core->dev); + return; + } + core->dev_registered = true; +} + +static int bcma_register_devices(struct bcma_bus *bus) { struct bcma_device *core; - int err, dev_id = 0; + int err; list_for_each_entry(core, &bus->cores, list) { /* We support that cores ourself */ 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: @@ -138,39 +226,16 @@ static int bcma_register_cores(struct bcma_bus *bus) continue; } + /* Early cores were already registered */ + if (bcma_is_core_needed_early(core->id.id)) + 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; - core->dev.release = bcma_release_core_dev; - core->dev.bus = &bcma_bus_type; - dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id); - - switch (bus->hosttype) { - case BCMA_HOSTTYPE_PCI: - core->dev.parent = &bus->host_pci->dev; - core->dma_dev = &bus->host_pci->dev; - core->irq = bus->host_pci->irq; - break; - case BCMA_HOSTTYPE_SOC: - core->dev.dma_mask = &core->dev.coherent_dma_mask; - core->dma_dev = &core->dev; - break; - case BCMA_HOSTTYPE_SDIO: - break; - } - - err = device_register(&core->dev); - if (err) { - bcma_err(bus, - "Could not register dev for core 0x%03X\n", - core->id.id); - put_device(&core->dev); - continue; - } - core->dev_registered = true; - dev_id++; + bcma_register_core(bus, core); } #ifdef CONFIG_BCMA_DRIVER_MIPS @@ -247,6 +312,12 @@ int bcma_bus_register(struct bcma_bus *bus) bcma_core_chipcommon_early_init(&bus->drv_cc); } + /* 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) { @@ -261,6 +332,13 @@ int bcma_bus_register(struct bcma_bus *bus) 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) { @@ -297,7 +375,7 @@ int bcma_bus_register(struct bcma_bus *bus) } /* Register found cores */ - bcma_register_cores(bus); + bcma_register_devices(bus); bcma_info(bus, "Bus registered\n"); @@ -315,6 +393,8 @@ void bcma_bus_unregister(struct bcma_bus *bus) else if (err) bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); + bcma_core_chipcommon_b_free(&bus->drv_cc_b); + cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K); cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE); cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); @@ -334,8 +414,6 @@ int __init bcma_bus_early_register(struct bcma_bus *bus, struct bcma_device *core; struct bcma_device_id match; - bcma_init_bus(bus); - match.manuf = BCMA_MANUF_BCM; match.id = bcma_cc_core_id(bus); match.class = BCMA_CL_SIM; @@ -494,6 +572,11 @@ static int __init bcma_modinit(void) if (err) return err; + err = bcma_host_soc_register_driver(); + if (err) { + pr_err("SoC host initialization failed\n"); + err = 0; + } #ifdef CONFIG_BCMA_HOST_PCI err = bcma_host_pci_init(); if (err) { @@ -511,6 +594,7 @@ static void __exit bcma_modexit(void) #ifdef CONFIG_BCMA_HOST_PCI bcma_host_pci_exit(); #endif + bcma_host_soc_unregister_driver(); bus_unregister(&bcma_bus_type); } module_exit(bcma_modexit) diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c index b4764c6bcf17..14b56561a36f 100644 --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -276,7 +276,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, struct bcma_device *core) { u32 tmp; - u8 i, j; + u8 i, j, k; s32 cia, cib; u8 ports[2], wrappers[2]; @@ -314,6 +314,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, /* Some specific cores don't need wrappers */ switch (core->id.id) { case BCMA_CORE_4706_MAC_GBIT_COMMON: + case BCMA_CORE_NS_CHIPCOMMON_B: /* Not used yet: case BCMA_CORE_OOB_ROUTER: */ break; default: @@ -367,6 +368,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, core->addr = tmp; /* get & parse slave ports */ + k = 0; for (i = 0; i < ports[1]; i++) { for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, @@ -376,9 +378,9 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, /* pr_debug("erom: slave port %d " * "has %d descriptors\n", i, j); */ break; - } else { - if (i == 0 && j == 0) - core->addr1 = tmp; + } else if (k < ARRAY_SIZE(core->addr_s)) { + core->addr_s[k] = tmp; + k++; } } } @@ -421,10 +423,13 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE); if (!core->io_addr) return -ENOMEM; - core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE); - if (!core->io_wrap) { - iounmap(core->io_addr); - return -ENOMEM; + if (core->wrap) { + core->io_wrap = ioremap_nocache(core->wrap, + BCMA_CORE_SIZE); + if (!core->io_wrap) { + iounmap(core->io_addr); + return -ENOMEM; + } } } return 0; @@ -434,9 +439,7 @@ void bcma_init_bus(struct bcma_bus *bus) { s32 tmp; struct bcma_chipinfo *chipinfo = &(bus->chipinfo); - - if (bus->init_done) - return; + char chip_id[8]; INIT_LIST_HEAD(&bus->cores); bus->nr_cores = 0; @@ -447,10 +450,11 @@ void bcma_init_bus(struct bcma_bus *bus) chipinfo->id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT; chipinfo->rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT; chipinfo->pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT; - bcma_info(bus, "Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n", - chipinfo->id, chipinfo->rev, chipinfo->pkg); - bus->init_done = true; + snprintf(chip_id, ARRAY_SIZE(chip_id), + (chipinfo->id > 0x9999) ? "%d" : "0x%04X", chipinfo->id); + bcma_info(bus, "Found chip with id %s, rev 0x%02X and package 0x%02X\n", + chip_id, chipinfo->rev, chipinfo->pkg); } int bcma_bus_scan(struct bcma_bus *bus) @@ -460,8 +464,6 @@ int bcma_bus_scan(struct bcma_bus *bus) int err, core_num = 0; - bcma_init_bus(bus); - erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM); if (bus->hosttype == BCMA_HOSTTYPE_SOC) { eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE); |