diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/0025-bcm47xx-read-nvram-from-sflash.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.2/0025-bcm47xx-read-nvram-from-sflash.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/0025-bcm47xx-read-nvram-from-sflash.patch b/target/linux/brcm47xx/patches-3.2/0025-bcm47xx-read-nvram-from-sflash.patch deleted file mode 100644 index d3781b8..0000000 --- a/target/linux/brcm47xx/patches-3.2/0025-bcm47xx-read-nvram-from-sflash.patch +++ /dev/null @@ -1,118 +0,0 @@ -From 1d693b2c9d5943cbe938f879041b837cd004737f Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sat, 23 Jul 2011 18:29:38 +0200 -Subject: [PATCH 25/26] bcm47xx: read nvram from sflash - -bcm47xx: add sflash support to nvram - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - arch/mips/bcm47xx/nvram.c | 86 +++++++++++++++++++++++++++++++++++++++++++- - 1 files changed, 84 insertions(+), 2 deletions(-) - ---- a/arch/mips/bcm47xx/nvram.c -+++ b/arch/mips/bcm47xx/nvram.c -@@ -20,11 +20,12 @@ - #include <asm/addrspace.h> - #include <asm/mach-bcm47xx/nvram.h> - #include <asm/mach-bcm47xx/bcm47xx.h> -+#include <asm/mach-bcm47xx/bus.h> - - static char nvram_buf[NVRAM_SPACE]; - - /* Probe for NVRAM header */ --static void early_nvram_init(void) -+static void early_nvram_init_pflash(void) - { - #ifdef CONFIG_BCM47XX_SSB - struct ssb_chipcommon *ssb_cc; -@@ -86,7 +87,88 @@ found: - for (i = 0; i < sizeof(struct nvram_header); i += 4) - *dst++ = *src++; - for (; i < header->len && i < NVRAM_SPACE; i += 4) -- *dst++ = le32_to_cpu(*src++); -+ *dst++ = *src++; -+} -+ -+static int early_nvram_init_sflash(void) -+{ -+ struct nvram_header header; -+ u32 off; -+ int ret; -+ char *dst; -+ int len; -+ -+ /* check if the struct is already initilized */ -+ if (!bcm47xx_sflash.size) -+ return -1; -+ -+ off = FLASH_MIN; -+ while (off <= bcm47xx_sflash.size) { -+ ret = bcm47xx_sflash.read(&bcm47xx_sflash, off - NVRAM_SPACE, sizeof(header), (u8 *)&header); -+ if (ret != sizeof(header)) -+ return ret; -+ if (header.magic == NVRAM_HEADER) -+ goto found; -+ off <<= 1; -+ } -+ -+ off = FLASH_MIN; -+ while (off <= bcm47xx_sflash.size) { -+ ret = bcm47xx_sflash.read(&bcm47xx_sflash, off - (2 * NVRAM_SPACE), sizeof(header), (u8 *)&header); -+ if (ret != sizeof(header)) -+ return ret; -+ if (header.magic == NVRAM_HEADER) -+ goto found; -+ off <<= 1; -+ } -+ return -1; -+ -+found: -+ len = NVRAM_SPACE; -+ dst = nvram_buf; -+ while (len) { -+ ret = bcm47xx_sflash.read(&bcm47xx_sflash, off - (2 * NVRAM_SPACE), len, dst); -+ if (ret < 0) -+ return ret; -+ off += ret; -+ len -= ret; -+ dst += ret; -+ } -+ return 0; -+} -+ -+static void early_nvram_init(void) -+{ -+ int err = 0; -+ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ if (bcm47xx_bus.ssb.chipco.flash_type == SSB_PFLASH) { -+ early_nvram_init_pflash(); -+ } else if (bcm47xx_bus.ssb.chipco.flash_type == SSB_SFLASH) { -+ err = early_nvram_init_sflash(); -+ if (err < 0) -+ printk(KERN_WARNING "can not read from flash: %i\n", err); -+ } else { -+ printk(KERN_WARNING "unknow flash type\n"); -+ } -+ break; -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_PFLASH) { -+ early_nvram_init_pflash(); -+ } else if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH) { -+ err = early_nvram_init_sflash(); -+ if (err < 0) -+ printk(KERN_WARNING "can not read from flash: %i\n", err); -+ } else { -+ printk(KERN_WARNING "unknow flash type\n"); -+ } -+ break; -+#endif -+ } - } - - int nvram_getenv(char *name, char *val, size_t val_len) |