diff options
Diffstat (limited to 'drivers/bcma/scan.c')
-rw-r--r-- | drivers/bcma/scan.c | 119 |
1 files changed, 85 insertions, 34 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c index f94cccccfa56..5672b13d0951 100644 --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -19,15 +19,27 @@ struct bcma_device_id_name { u16 id; const char *name; }; -struct bcma_device_id_name bcma_device_names[] = { + +static const struct bcma_device_id_name bcma_arm_device_names[] = { + { BCMA_CORE_4706_MAC_GBIT_COMMON, "BCM4706 GBit MAC Common" }, + { BCMA_CORE_ARM_1176, "ARM 1176" }, + { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" }, + { BCMA_CORE_ARM_CM3, "ARM CM3" }, +}; + +static const struct bcma_device_id_name bcma_bcm_device_names[] = { { BCMA_CORE_OOB_ROUTER, "OOB Router" }, + { BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" }, + { BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" }, + { BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" }, + { BCMA_CORE_AMEMC, "AMEMC (DDR)" }, + { BCMA_CORE_ALTA, "ALTA (I2S)" }, { BCMA_CORE_INVALID, "Invalid" }, { BCMA_CORE_CHIPCOMMON, "ChipCommon" }, { BCMA_CORE_ILINE20, "ILine 20" }, { BCMA_CORE_SRAM, "SRAM" }, { BCMA_CORE_SDRAM, "SDRAM" }, { BCMA_CORE_PCI, "PCI" }, - { BCMA_CORE_MIPS, "MIPS" }, { BCMA_CORE_ETHERNET, "Fast Ethernet" }, { BCMA_CORE_V90, "V90" }, { BCMA_CORE_USB11_HOSTDEV, "USB 1.1 Hostdev" }, @@ -44,7 +56,6 @@ struct bcma_device_id_name bcma_device_names[] = { { BCMA_CORE_PHY_A, "PHY A" }, { BCMA_CORE_PHY_B, "PHY B" }, { BCMA_CORE_PHY_G, "PHY G" }, - { BCMA_CORE_MIPS_3302, "MIPS 3302" }, { BCMA_CORE_USB11_HOST, "USB 1.1 Host" }, { BCMA_CORE_USB11_DEV, "USB 1.1 Device" }, { BCMA_CORE_USB20_HOST, "USB 2.0 Host" }, @@ -58,15 +69,11 @@ struct bcma_device_id_name bcma_device_names[] = { { BCMA_CORE_PHY_N, "PHY N" }, { BCMA_CORE_SRAM_CTL, "SRAM Controller" }, { BCMA_CORE_MINI_MACPHY, "Mini MACPHY" }, - { BCMA_CORE_ARM_1176, "ARM 1176" }, - { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" }, { BCMA_CORE_PHY_LP, "PHY LP" }, { BCMA_CORE_PMU, "PMU" }, { BCMA_CORE_PHY_SSN, "PHY SSN" }, { BCMA_CORE_SDIO_DEV, "SDIO Device" }, - { BCMA_CORE_ARM_CM3, "ARM CM3" }, { BCMA_CORE_PHY_HT, "PHY HT" }, - { BCMA_CORE_MIPS_74K, "MIPS 74K" }, { BCMA_CORE_MAC_GBIT, "GBit MAC" }, { BCMA_CORE_DDR12_MEM_CTL, "DDR1/DDR2 Memory Controller" }, { BCMA_CORE_PCIE_RC, "PCIe Root Complex" }, @@ -79,16 +86,41 @@ struct bcma_device_id_name bcma_device_names[] = { { BCMA_CORE_SHIM, "SHIM" }, { BCMA_CORE_DEFAULT, "Default" }, }; -const char *bcma_device_name(struct bcma_device_id *id) + +static const struct bcma_device_id_name bcma_mips_device_names[] = { + { BCMA_CORE_MIPS, "MIPS" }, + { BCMA_CORE_MIPS_3302, "MIPS 3302" }, + { BCMA_CORE_MIPS_74K, "MIPS 74K" }, +}; + +static const char *bcma_device_name(const struct bcma_device_id *id) { - int i; + const struct bcma_device_id_name *names; + int size, i; + + /* search manufacturer specific names */ + switch (id->manuf) { + case BCMA_MANUF_ARM: + names = bcma_arm_device_names; + size = ARRAY_SIZE(bcma_arm_device_names); + break; + case BCMA_MANUF_BCM: + names = bcma_bcm_device_names; + size = ARRAY_SIZE(bcma_bcm_device_names); + break; + case BCMA_MANUF_MIPS: + names = bcma_mips_device_names; + size = ARRAY_SIZE(bcma_mips_device_names); + break; + default: + return "UNKNOWN"; + } - if (id->manuf == BCMA_MANUF_BCM) { - for (i = 0; i < ARRAY_SIZE(bcma_device_names); i++) { - if (bcma_device_names[i].id == id->id) - return bcma_device_names[i].name; - } + for (i = 0; i < size; i++) { + if (names[i].id == id->id) + return names[i].name; } + return "UNKNOWN"; } @@ -263,11 +295,15 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, /* check if component is a core at all */ if (wrappers[0] + wrappers[1] == 0) { - /* we could save addrl of the router - if (cid == BCMA_CORE_OOB_ROUTER) - */ - bcma_erom_skip_component(bus, eromptr); - return -ENXIO; + /* Some specific cores don't need wrappers */ + switch (core->id.id) { + case BCMA_CORE_4706_MAC_GBIT_COMMON: + /* Not used yet: case BCMA_CORE_OOB_ROUTER: */ + break; + default: + bcma_erom_skip_component(bus, eromptr); + return -ENXIO; + } } if (bcma_erom_is_bridge(bus, eromptr)) { @@ -297,6 +333,23 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, return -EILSEQ; } + /* First Slave Address Descriptor should be port 0: + * the main register space for the core + */ + tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0); + if (tmp <= 0) { + /* Try again to see if it is a bridge */ + tmp = bcma_erom_get_addr_desc(bus, eromptr, + SCAN_ADDR_TYPE_BRIDGE, 0); + if (tmp <= 0) { + return -EILSEQ; + } else { + bcma_info(bus, "Bridge found\n"); + return -ENXIO; + } + } + core->addr = tmp; + /* get & parse slave ports */ for (i = 0; i < ports[1]; i++) { for (j = 0; ; j++) { @@ -309,7 +362,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, break; } else { if (i == 0 && j == 0) - core->addr = tmp; + core->addr1 = tmp; } } } @@ -378,8 +431,8 @@ 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; - pr_info("Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n", - chipinfo->id, chipinfo->rev, chipinfo->pkg); + 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; } @@ -433,13 +486,12 @@ int bcma_bus_scan(struct bcma_bus *bus) other_core = bcma_find_core_reverse(bus, core->id.id); core->core_unit = (other_core == NULL) ? 0 : other_core->core_unit + 1; - pr_info("Core %d found: %s " - "(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n", - core->core_index, bcma_device_name(&core->id), - core->id.manuf, core->id.id, core->id.rev, - core->id.class); + bcma_info(bus, "Core %d found: %s (manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n", + core->core_index, bcma_device_name(&core->id), + core->id.manuf, core->id.id, core->id.rev, + core->id.class); - list_add(&core->list, &bus->cores); + list_add_tail(&core->list, &bus->cores); } if (bus->hosttype == BCMA_HOSTTYPE_SOC) @@ -489,13 +541,12 @@ int __init bcma_bus_scan_early(struct bcma_bus *bus, core->core_index = core_num++; bus->nr_cores++; - pr_info("Core %d found: %s " - "(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n", - core->core_index, bcma_device_name(&core->id), - core->id.manuf, core->id.id, core->id.rev, - core->id.class); + bcma_info(bus, "Core %d found: %s (manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n", + core->core_index, bcma_device_name(&core->id), + core->id.manuf, core->id.id, core->id.rev, + core->id.class); - list_add(&core->list, &bus->cores); + list_add_tail(&core->list, &bus->cores); err = 0; break; } |