diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/021-bcma-from-4.6.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/021-bcma-from-4.6.patch | 298 |
1 files changed, 285 insertions, 13 deletions
diff --git a/target/linux/generic/patches-4.4/021-bcma-from-4.6.patch b/target/linux/generic/patches-4.4/021-bcma-from-4.6.patch index 0a2b1f93d3..b09f4e7f5c 100644 --- a/target/linux/generic/patches-4.4/021-bcma-from-4.6.patch +++ b/target/linux/generic/patches-4.4/021-bcma-from-4.6.patch @@ -9,8 +9,37 @@ static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset, u32 mask, u32 value) { -@@ -115,6 +117,8 @@ int bcma_chipco_watchdog_register(struct +@@ -113,8 +115,37 @@ int bcma_chipco_watchdog_register(struct + return 0; + } ++static void bcma_core_chipcommon_flash_detect(struct bcma_drv_cc *cc) ++{ ++ struct bcma_bus *bus = cc->core->bus; ++ ++ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { ++ case BCMA_CC_FLASHT_STSER: ++ case BCMA_CC_FLASHT_ATSER: ++ bcma_debug(bus, "Found serial flash\n"); ++ bcma_sflash_init(cc); ++ break; ++ case BCMA_CC_FLASHT_PARA: ++ bcma_debug(bus, "Found parallel flash\n"); ++ bcma_pflash_init(cc); ++ break; ++ default: ++ bcma_err(bus, "Flash type not supported\n"); ++ } ++ ++ if (cc->core->id.rev == 38 || ++ bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) { ++ if (cc->capabilities & BCMA_CC_CAP_NFLASH) { ++ bcma_debug(bus, "Found NAND flash\n"); ++ bcma_nflash_init(cc); ++ } ++ } ++} ++ void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc) { + struct bcma_bus *bus = cc->core->bus; @@ -18,17 +47,20 @@ if (cc->early_setup_done) return; -@@ -129,6 +133,9 @@ void bcma_core_chipcommon_early_init(str +@@ -129,6 +160,12 @@ void bcma_core_chipcommon_early_init(str if (cc->capabilities & BCMA_CC_CAP_PMU) bcma_pmu_early_init(cc); + if (IS_BUILTIN(CONFIG_BCM47XX) && bus->hosttype == BCMA_HOSTTYPE_SOC) + bcma_chipco_serial_init(cc); + ++ if (bus->hosttype == BCMA_HOSTTYPE_SOC) ++ bcma_core_chipcommon_flash_detect(cc); ++ cc->early_setup_done = true; } -@@ -185,11 +192,12 @@ u32 bcma_chipco_watchdog_timer_set(struc +@@ -185,11 +222,12 @@ u32 bcma_chipco_watchdog_timer_set(struc ticks = 2; else if (ticks > maxt) ticks = maxt; @@ -42,7 +74,7 @@ bus->chipinfo.id != BCMA_CHIP_ID_BCM53018) bcma_core_set_clockmode(cc->core, ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC); -@@ -314,9 +322,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcm +@@ -314,9 +352,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcm return res; } @@ -54,7 +86,7 @@ unsigned int irq; u32 baud_base; u32 i; -@@ -358,5 +366,5 @@ void bcma_chipco_serial_init(struct bcma +@@ -358,5 +396,5 @@ void bcma_chipco_serial_init(struct bcma ports[i].baud_base = baud_base; ports[i].reg_shift = 0; } @@ -368,7 +400,7 @@ #define BCMA_CC_PMU_STRAPOPT 0x0668 /* (corerev >= 28) */ #define BCMA_CC_PMU_XTAL_FREQ 0x066C /* (pmurev >= 10) */ #define BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK 0x00001FFF -@@ -566,6 +571,7 @@ +@@ -566,17 +571,16 @@ * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) */ struct bcma_chipcommon_pmu { @@ -376,7 +408,47 @@ u8 rev; /* PMU revision */ u32 crystalfreq; /* The active crystal frequency (in kHz) */ }; -@@ -662,6 +668,19 @@ struct bcma_drv_cc_b { + +-#ifdef CONFIG_BCMA_DRIVER_MIPS ++#ifdef CONFIG_BCMA_PFLASH + struct bcma_pflash { + bool present; +- u8 buswidth; +- u32 window; +- u32 window_size; + }; ++#endif + + #ifdef CONFIG_BCMA_SFLASH + struct bcma_sflash { +@@ -602,6 +606,7 @@ struct bcma_nflash { + }; + #endif + ++#ifdef CONFIG_BCMA_DRIVER_MIPS + struct bcma_serial_port { + void *regs; + unsigned long clockspeed; +@@ -621,8 +626,9 @@ struct bcma_drv_cc { + /* Fast Powerup Delay constant */ + u16 fast_pwrup_delay; + struct bcma_chipcommon_pmu pmu; +-#ifdef CONFIG_BCMA_DRIVER_MIPS ++#ifdef CONFIG_BCMA_PFLASH + struct bcma_pflash pflash; ++#endif + #ifdef CONFIG_BCMA_SFLASH + struct bcma_sflash sflash; + #endif +@@ -630,6 +636,7 @@ struct bcma_drv_cc { + struct bcma_nflash nflash; + #endif + ++#ifdef CONFIG_BCMA_DRIVER_MIPS + int nr_serial_ports; + struct bcma_serial_port serial_ports[4]; + #endif /* CONFIG_BCMA_DRIVER_MIPS */ +@@ -662,6 +669,19 @@ struct bcma_drv_cc_b { #define bcma_cc_maskset32(cc, offset, mask, set) \ bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set)) @@ -398,14 +470,39 @@ extern u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc); --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h -@@ -48,7 +48,6 @@ void bcma_core_chipcommon_early_init(str +@@ -47,10 +47,6 @@ int bcma_sprom_get(struct bcma_bus *bus) + void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc); void bcma_core_chipcommon_init(struct bcma_drv_cc *cc); void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable); - #ifdef CONFIG_BCMA_DRIVER_MIPS +-#ifdef CONFIG_BCMA_DRIVER_MIPS -void bcma_chipco_serial_init(struct bcma_drv_cc *cc); - extern struct platform_device bcma_pflash_dev; - #endif /* CONFIG_BCMA_DRIVER_MIPS */ +-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); +@@ -62,6 +58,21 @@ void bcma_pmu_init(struct bcma_drv_cc *c + u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc); + u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc); ++/************************************************** ++ * driver_chipcommon_sflash.c ++ **************************************************/ ++ ++#ifdef CONFIG_BCMA_PFLASH ++extern struct platform_device bcma_pflash_dev; ++int bcma_pflash_init(struct bcma_drv_cc *cc); ++#else ++static inline int bcma_pflash_init(struct bcma_drv_cc *cc) ++{ ++ bcma_err(cc->core->bus, "Parallel flash not supported\n"); ++ return 0; ++} ++#endif /* CONFIG_BCMA_PFLASH */ ++ + #ifdef CONFIG_BCMA_SFLASH + /* driver_chipcommon_sflash.c */ + int bcma_sflash_init(struct bcma_drv_cc *cc); --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -197,6 +197,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c @@ -418,7 +515,93 @@ default: --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c -@@ -337,12 +337,9 @@ static void bcma_core_mips_flash_detect( +@@ -14,8 +14,6 @@ + + #include <linux/bcma/bcma.h> + +-#include <linux/mtd/physmap.h> +-#include <linux/platform_device.h> + #include <linux/serial.h> + #include <linux/serial_core.h> + #include <linux/serial_reg.h> +@@ -32,26 +30,6 @@ enum bcma_boot_dev { + BCMA_BOOT_DEV_NAND, + }; + +-static const char * const part_probes[] = { "bcm47xxpart", NULL }; +- +-static struct physmap_flash_data bcma_pflash_data = { +- .part_probe_types = part_probes, +-}; +- +-static struct resource bcma_pflash_resource = { +- .name = "bcma_pflash", +- .flags = IORESOURCE_MEM, +-}; +- +-struct platform_device bcma_pflash_dev = { +- .name = "physmap-flash", +- .dev = { +- .platform_data = &bcma_pflash_data, +- }, +- .resource = &bcma_pflash_resource, +- .num_resources = 1, +-}; +- + /* The 47162a0 hangs when reading MIPS DMP registers registers */ + static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev) + { +@@ -272,48 +250,11 @@ static enum bcma_boot_dev bcma_boot_dev( + return BCMA_BOOT_DEV_SERIAL; + } + +-static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) ++static void bcma_core_mips_nvram_init(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: +- case BCMA_CC_FLASHT_ATSER: +- bcma_debug(bus, "Found serial flash\n"); +- bcma_sflash_init(cc); +- break; +- case BCMA_CC_FLASHT_PARA: +- bcma_debug(bus, "Found parallel flash\n"); +- pflash->present = true; +- pflash->window = BCMA_SOC_FLASH2; +- pflash->window_size = BCMA_SOC_FLASH2_SZ; +- +- if ((bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & +- BCMA_CC_FLASH_CFG_DS) == 0) +- pflash->buswidth = 1; +- else +- pflash->buswidth = 2; +- +- bcma_pflash_data.width = pflash->buswidth; +- bcma_pflash_resource.start = pflash->window; +- bcma_pflash_resource.end = pflash->window + pflash->window_size; +- +- break; +- default: +- bcma_err(bus, "Flash type not supported\n"); +- } +- +- if (cc->core->id.rev == 38 || +- bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) { +- if (cc->capabilities & BCMA_CC_CAP_NFLASH) { +- bcma_debug(bus, "Found NAND flash\n"); +- bcma_nflash_init(cc); +- } +- } +- + /* Determine flash type this SoC boots from */ + boot_dev = bcma_boot_dev(bus); + switch (boot_dev) { +@@ -337,13 +278,10 @@ static void bcma_core_mips_flash_detect( void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { @@ -428,9 +611,11 @@ return; - bcma_chipco_serial_init(&bus->drv_cc); - bcma_core_mips_flash_detect(mcore); +- bcma_core_mips_flash_detect(mcore); ++ bcma_core_mips_nvram_init(mcore); mcore->early_setup_done = true; + } --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -294,7 +294,7 @@ static const struct pci_device_id bcma_p @@ -442,3 +627,90 @@ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, +--- a/drivers/bcma/Kconfig ++++ b/drivers/bcma/Kconfig +@@ -70,6 +70,11 @@ config BCMA_DRIVER_MIPS + + If unsure, say N + ++config BCMA_PFLASH ++ bool ++ depends on BCMA_DRIVER_MIPS ++ default y ++ + config BCMA_SFLASH + bool + depends on BCMA_DRIVER_MIPS +--- a/drivers/bcma/Makefile ++++ b/drivers/bcma/Makefile +@@ -1,6 +1,7 @@ + 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-$(CONFIG_BCMA_PFLASH) += driver_chipcommon_pflash.o + bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o + bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o + bcma-$(CONFIG_BCMA_DRIVER_PCI) += driver_pci.o +--- /dev/null ++++ b/drivers/bcma/driver_chipcommon_pflash.c +@@ -0,0 +1,49 @@ ++/* ++ * Broadcom specific AMBA ++ * ChipCommon parallel flash ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include "bcma_private.h" ++ ++#include <linux/bcma/bcma.h> ++#include <linux/mtd/physmap.h> ++#include <linux/platform_device.h> ++ ++static const char * const part_probes[] = { "bcm47xxpart", NULL }; ++ ++static struct physmap_flash_data bcma_pflash_data = { ++ .part_probe_types = part_probes, ++}; ++ ++static struct resource bcma_pflash_resource = { ++ .name = "bcma_pflash", ++ .flags = IORESOURCE_MEM, ++}; ++ ++struct platform_device bcma_pflash_dev = { ++ .name = "physmap-flash", ++ .dev = { ++ .platform_data = &bcma_pflash_data, ++ }, ++ .resource = &bcma_pflash_resource, ++ .num_resources = 1, ++}; ++ ++int bcma_pflash_init(struct bcma_drv_cc *cc) ++{ ++ struct bcma_pflash *pflash = &cc->pflash; ++ ++ pflash->present = true; ++ ++ if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS)) ++ bcma_pflash_data.width = 1; ++ else ++ bcma_pflash_data.width = 2; ++ ++ bcma_pflash_resource.start = BCMA_SOC_FLASH2; ++ bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ; ++ ++ return 0; ++} +--- a/drivers/bcma/main.c ++++ b/drivers/bcma/main.c +@@ -350,7 +350,7 @@ static int bcma_register_devices(struct + bcma_register_core(bus, core); + } + +-#ifdef CONFIG_BCMA_DRIVER_MIPS ++#ifdef CONFIG_BCMA_PFLASH + if (bus->drv_cc.pflash.present) { + err = platform_device_register(&bcma_pflash_dev); + if (err) |