diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.18/036-MIPS-BCM47XX-Clean-up-nvram-header.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.18/036-MIPS-BCM47XX-Clean-up-nvram-header.patch | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.18/036-MIPS-BCM47XX-Clean-up-nvram-header.patch b/target/linux/brcm47xx/patches-3.18/036-MIPS-BCM47XX-Clean-up-nvram-header.patch new file mode 100644 index 0000000000..b4a07919b7 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.18/036-MIPS-BCM47XX-Clean-up-nvram-header.patch @@ -0,0 +1,167 @@ +From 341097f17c76b3dd39539526a2af9e7fff43705e Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Thu, 30 Oct 2014 12:50:03 +0100 +Subject: [PATCH] MIPS: BCM47XX: Clean up nvram header +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +1) Move private defines to the .c file +2) Move SPROM helper to the sprom.c +3) Drop unused code +4) Rename magic to the NVRAM_MAGIC +5) Add const to the char pointer we never modify + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Acked-by: Hauke Mehrtens <hauke@hauke-m.de> +Cc: linux-mips@linux-mips.org +Patchwork: https://patchwork.linux-mips.org/patch/8289/ +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + arch/mips/bcm47xx/nvram.c | 23 ++++++++++---- + arch/mips/bcm47xx/sprom.c | 14 +++++++++ + arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 35 +--------------------- + 3 files changed, 33 insertions(+), 39 deletions(-) + +diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c +index 8b64991..c5c381c 100644 +--- a/arch/mips/bcm47xx/nvram.c ++++ b/arch/mips/bcm47xx/nvram.c +@@ -18,6 +18,19 @@ + #include <linux/mtd/mtd.h> + #include <bcm47xx_nvram.h> + ++#define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */ ++#define NVRAM_SPACE 0x8000 ++ ++#define FLASH_MIN 0x00020000 /* Minimum flash size */ ++ ++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 */ ++}; ++ + static char nvram_buf[NVRAM_SPACE]; + static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000}; + +@@ -28,7 +41,7 @@ static u32 find_nvram_size(void __iomem *end) + + for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) { + header = (struct nvram_header *)(end - nvram_sizes[i]); +- if (header->magic == NVRAM_HEADER) ++ if (header->magic == NVRAM_MAGIC) + return nvram_sizes[i]; + } + +@@ -63,13 +76,13 @@ static int nvram_find_and_copy(void __iomem *iobase, u32 lim) + + /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */ + header = (struct nvram_header *)(iobase + 4096); +- if (header->magic == NVRAM_HEADER) { ++ if (header->magic == NVRAM_MAGIC) { + size = NVRAM_SPACE; + goto found; + } + + header = (struct nvram_header *)(iobase + 1024); +- if (header->magic == NVRAM_HEADER) { ++ if (header->magic == NVRAM_MAGIC) { + size = NVRAM_SPACE; + goto found; + } +@@ -139,7 +152,7 @@ static int nvram_init(void) + + err = mtd_read(mtd, from, sizeof(header), &bytes_read, + (uint8_t *)&header); +- if (!err && header.magic == NVRAM_HEADER) { ++ if (!err && header.magic == NVRAM_MAGIC) { + u8 *dst = (uint8_t *)nvram_buf; + size_t len = header.len; + +@@ -162,7 +175,7 @@ static int nvram_init(void) + return -ENXIO; + } + +-int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len) ++int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len) + { + char *var, *value, *end, *eq; + int err; +diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c +index e772e77..2eff7fe 100644 +--- a/arch/mips/bcm47xx/sprom.c ++++ b/arch/mips/bcm47xx/sprom.c +@@ -136,6 +136,20 @@ static void nvram_read_leddc(const char *prefix, const char *name, + *leddc_off_time = (val >> 16) & 0xff; + } + ++static 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 ++ pr_warn("Can not parse mac address: %s\n", buf); ++} ++ + static void nvram_read_macaddr(const char *prefix, const char *name, + u8 val[6], bool fallback) + { +diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h +index 676be22..ee59ffe 100644 +--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h ++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h +@@ -14,41 +14,8 @@ + #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 +- + int bcm47xx_nvram_init_from_mem(u32 base, u32 lim); +-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); +-} +- ++int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len); + int bcm47xx_nvram_gpio_pin(const char *name); + + #endif /* __BCM47XX_NVRAM_H */ +-- +1.8.4.5 + |