diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch | 352 |
1 files changed, 314 insertions, 38 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch b/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch index a271876fa9..ecc9e04134 100644 --- a/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch +++ b/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch @@ -9,7 +9,13 @@ * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the -@@ -23,69 +23,139 @@ +@@ -18,83 +18,166 @@ + #include <linux/kernel.h> + #include <linux/string.h> + #include <asm/addrspace.h> +-#include <asm/mach-bcm47xx/nvram.h> ++#include <bcm47xx_nvram.h> + #include <asm/mach-bcm47xx/bcm47xx.h> static char nvram_buf[NVRAM_SPACE]; @@ -30,7 +36,7 @@ + /* Probe for NVRAM header */ -static void early_nvram_init(void) -+static void early_nvram_init_fill(u32 base, u32 lim) ++static int nvram_find_and_copy(u32 base, u32 lim) { -#ifdef CONFIG_BCM47XX_SSB - struct ssb_mipscore *mcore_ssb; @@ -94,8 +100,9 @@ goto found; + } +- return; + pr_err("no nvram found\n"); - return; ++ return -ENXIO; found: + @@ -112,72 +119,341 @@ - for (; i < header->len && i < NVRAM_SPACE; i += 4) + for (; i < header->len && i < NVRAM_SPACE && i < size; i += 4) *dst++ = le32_to_cpu(*src++); ++ memset(dst, 0x0, NVRAM_SPACE - i); ++ ++ return 0; } +-int nvram_getenv(char *name, char *val, size_t val_len) ++#ifdef CONFIG_BCM47XX_SSB ++static int nvram_init_ssb(void) ++{ ++ struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore; ++ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco; ++ u32 base; ++ u32 lim; ++ ++ if (mcore->pflash.present) { ++ base = mcore->pflash.window; ++ lim = mcore->pflash.window_size; ++#ifdef CONFIG_SSB_SFLASH ++ } else if (chipco->sflash.present) { ++ base = chipco->sflash.window; ++ lim = chipco->sflash.size; ++#endif ++ } else { ++ pr_err("Couldn't find supported flash memory\n"); ++ return -ENXIO; ++ } ++ ++ return nvram_find_and_copy(base, lim); ++} ++#endif ++ +#ifdef CONFIG_BCM47XX_BCMA -+static void early_nvram_init_bcma(void) ++static int nvram_init_bcma(void) +{ + struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc; -+ u32 base = 0; -+ u32 lim = 0; ++ u32 base; ++ u32 lim; + ++#ifdef CONFIG_BCMA_NFLASH + if (cc->nflash.boot) { + base = BCMA_SOC_FLASH1; + lim = BCMA_SOC_FLASH1_SZ; -+ } else if (cc->pflash.present) { ++ } else ++#endif ++ if (cc->pflash.present) { + base = cc->pflash.window; + lim = cc->pflash.window_size; ++#ifdef CONFIG_BCMA_SFLASH + } else if (cc->sflash.present) { + base = cc->sflash.window; + lim = cc->sflash.size; -+ } else { -+ pr_err("No supported flash found\n"); -+ return; -+ } -+ -+ early_nvram_init_fill(base, lim); -+} +#endif -+ -+#ifdef CONFIG_BCM47XX_SSB -+static void early_nvram_init_ssb(void) -+{ -+ struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore; -+ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco; -+ u32 base = 0; -+ u32 lim = 0; -+ -+ if (mcore->pflash.present) { -+ base = mcore->pflash.window; -+ lim = mcore->pflash.window_size; -+ } else if (chipco->sflash.present) { -+ base = chipco->sflash.window; -+ lim = chipco->sflash.size; + } else { -+ pr_err("No supported flash found\n"); -+ return; ++ pr_err("Couldn't find supported flash memory\n"); ++ return -ENXIO; + } + -+ early_nvram_init_fill(base, lim); ++ return nvram_find_and_copy(base, lim); +} +#endif + -+static void early_nvram_init(void) ++static int nvram_init(void) +{ + switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB + case BCM47XX_BUS_TYPE_SSB: -+ early_nvram_init_ssb(); -+ break; ++ return nvram_init_ssb(); +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ early_nvram_init_bcma(); -+ break; ++ return nvram_init_bcma(); +#endif + } ++ return -ENXIO; +} + - int nvram_getenv(char *name, char *val, size_t val_len) ++int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len) { char *var, *value, *end, *eq; ++ int err; + + if (!name) +- return NVRAM_ERR_INV_PARAM; ++ return -EINVAL; + +- if (!nvram_buf[0]) +- early_nvram_init(); ++ if (!nvram_buf[0]) { ++ err = nvram_init(); ++ if (err) ++ return err; ++ } + + /* Look for name=value and return value */ + var = &nvram_buf[sizeof(struct nvram_header)]; +@@ -110,6 +193,6 @@ int nvram_getenv(char *name, char *val, + return snprintf(val, val_len, "%s", value); + } + } +- return NVRAM_ERR_ENVNOTFOUND; ++ return -ENOENT; + } +-EXPORT_SYMBOL(nvram_getenv); ++EXPORT_SYMBOL(bcm47xx_nvram_getenv); +--- a/arch/mips/bcm47xx/setup.c ++++ b/arch/mips/bcm47xx/setup.c +@@ -35,7 +35,7 @@ + #include <asm/reboot.h> + #include <asm/time.h> + #include <bcm47xx.h> +-#include <asm/mach-bcm47xx/nvram.h> ++#include <bcm47xx_nvram.h> + + union bcm47xx_bus bcm47xx_bus; + EXPORT_SYMBOL(bcm47xx_bus); +@@ -115,7 +115,7 @@ static int bcm47xx_get_invariants(struct + memset(&iv->sprom, 0, sizeof(struct ssb_sprom)); + bcm47xx_fill_sprom(&iv->sprom, NULL, false); + +- if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) ++ if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) + iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); + + return 0; +@@ -138,7 +138,7 @@ static void __init bcm47xx_register_ssb( + panic("Failed to initialize SSB bus (err %d)", err); + + mcore = &bcm47xx_bus.ssb.mipscore; +- if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) { ++ if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) { + if (strstr(buf, "console=ttyS1")) { + struct ssb_serial_port port; + +--- a/arch/mips/bcm47xx/sprom.c ++++ b/arch/mips/bcm47xx/sprom.c +@@ -27,7 +27,7 @@ + */ + + #include <bcm47xx.h> +-#include <nvram.h> ++#include <bcm47xx_nvram.h> + + static void create_key(const char *prefix, const char *postfix, + const char *name, char *buf, int len) +@@ -50,10 +50,10 @@ static int get_nvram_var(const char *pre + + create_key(prefix, postfix, name, key, sizeof(key)); + +- err = nvram_getenv(key, buf, len); +- if (fallback && err == NVRAM_ERR_ENVNOTFOUND && prefix) { ++ err = bcm47xx_nvram_getenv(key, buf, len); ++ if (fallback && err == -ENOENT && prefix) { + create_key(NULL, postfix, name, key, sizeof(key)); +- err = nvram_getenv(key, buf, len); ++ err = bcm47xx_nvram_getenv(key, buf, len); + } + return err; + } +@@ -144,7 +144,7 @@ static void nvram_read_macaddr(const cha + if (err < 0) + return; + +- nvram_parse_macaddr(buf, *val); ++ bcm47xx_nvram_parse_macaddr(buf, *val); + } + + static void nvram_read_alpha2(const char *prefix, const char *name, +--- /dev/null ++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h +@@ -0,0 +1,51 @@ ++/* ++ * Copyright (C) 2005, Broadcom Corporation ++ * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#ifndef __BCM47XX_NVRAM_H ++#define __BCM47XX_NVRAM_H ++ ++#include <linux/types.h> ++#include <linux/kernel.h> ++ ++struct nvram_header { ++ u32 magic; ++ u32 len; ++ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ ++ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ ++ u32 config_ncdl; /* ncdl values for memc */ ++}; ++ ++#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ ++#define NVRAM_VERSION 1 ++#define NVRAM_HEADER_SIZE 20 ++#define NVRAM_SPACE 0x8000 ++ ++#define FLASH_MIN 0x00020000 /* Minimum flash size */ ++ ++#define NVRAM_MAX_VALUE_LEN 255 ++#define NVRAM_MAX_PARAM_LEN 64 ++ ++extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len); ++ ++static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) ++{ ++ if (strchr(buf, ':')) ++ sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], ++ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], ++ &macaddr[5]); ++ else if (strchr(buf, '-')) ++ sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], ++ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], ++ &macaddr[5]); ++ else ++ printk(KERN_WARNING "Can not parse mac address: %s\n", buf); ++} ++ ++#endif /* __BCM47XX_NVRAM_H */ +--- a/arch/mips/include/asm/mach-bcm47xx/nvram.h ++++ /dev/null +@@ -1,54 +0,0 @@ +-/* +- * Copyright (C) 2005, Broadcom Corporation +- * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org> +- * +- * This program is free software; you can redistribute it and/or modify it +- * under the terms of the GNU General Public License as published by the +- * Free Software Foundation; either version 2 of the License, or (at your +- * option) any later version. +- */ +- +-#ifndef __NVRAM_H +-#define __NVRAM_H +- +-#include <linux/types.h> +-#include <linux/kernel.h> +- +-struct nvram_header { +- u32 magic; +- u32 len; +- u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ +- u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ +- u32 config_ncdl; /* ncdl values for memc */ +-}; +- +-#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ +-#define NVRAM_VERSION 1 +-#define NVRAM_HEADER_SIZE 20 +-#define NVRAM_SPACE 0x8000 +- +-#define FLASH_MIN 0x00020000 /* Minimum flash size */ +- +-#define NVRAM_MAX_VALUE_LEN 255 +-#define NVRAM_MAX_PARAM_LEN 64 +- +-#define NVRAM_ERR_INV_PARAM -8 +-#define NVRAM_ERR_ENVNOTFOUND -9 +- +-extern int nvram_getenv(char *name, char *val, size_t val_len); +- +-static inline void nvram_parse_macaddr(char *buf, u8 macaddr[6]) +-{ +- if (strchr(buf, ':')) +- sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], +- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], +- &macaddr[5]); +- else if (strchr(buf, '-')) +- sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], +- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], +- &macaddr[5]); +- else +- printk(KERN_WARNING "Can not parse mac address: %s\n", buf); +-} +- +-#endif +--- a/drivers/net/ethernet/broadcom/b44.c ++++ b/drivers/net/ethernet/broadcom/b44.c +@@ -381,7 +381,7 @@ static void b44_set_flow_ctrl(struct b44 + } + + #ifdef CONFIG_BCM47XX +-#include <asm/mach-bcm47xx/nvram.h> ++#include <bcm47xx_nvram.h> + static void b44_wap54g10_workaround(struct b44 *bp) + { + char buf[20]; +@@ -393,7 +393,7 @@ static void b44_wap54g10_workaround(stru + * see https://dev.openwrt.org/ticket/146 + * check and reset bit "isolate" + */ +- if (nvram_getenv("boardnum", buf, sizeof(buf)) < 0) ++ if (bcm47xx_nvram_getenv("boardnum", buf, sizeof(buf)) < 0) + return; + if (simple_strtoul(buf, NULL, 0) == 2) { + err = __b44_readphy(bp, 0, MII_BMCR, &val); +--- a/drivers/ssb/driver_chipcommon_pmu.c ++++ b/drivers/ssb/driver_chipcommon_pmu.c +@@ -14,7 +14,7 @@ + #include <linux/delay.h> + #include <linux/export.h> + #ifdef CONFIG_BCM47XX +-#include <asm/mach-bcm47xx/nvram.h> ++#include <bcm47xx_nvram.h> + #endif + + #include "ssb_private.h" +@@ -322,7 +322,7 @@ static void ssb_pmu_pll_init(struct ssb_ + if (bus->bustype == SSB_BUSTYPE_SSB) { + #ifdef CONFIG_BCM47XX + char buf[20]; +- if (nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0) ++ if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0) + crystalfreq = simple_strtoul(buf, NULL, 0); + #endif + } +--- a/include/linux/ssb/ssb_driver_gige.h ++++ b/include/linux/ssb/ssb_driver_gige.h +@@ -98,14 +98,14 @@ static inline bool ssb_gige_must_flush_p + } + + #ifdef CONFIG_BCM47XX +-#include <asm/mach-bcm47xx/nvram.h> ++#include <bcm47xx_nvram.h> + /* Get the device MAC address */ + static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) + { + char buf[20]; +- if (nvram_getenv("et0macaddr", buf, sizeof(buf)) < 0) ++ if (bcm47xx_nvram_getenv("et0macaddr", buf, sizeof(buf)) < 0) + return; +- nvram_parse_macaddr(buf, macaddr); ++ bcm47xx_nvram_parse_macaddr(buf, macaddr); + } + #else + static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) |