diff options
| -rw-r--r-- | target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c | 39 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch | 36 |
2 files changed, 23 insertions, 52 deletions
diff --git a/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c b/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c index b6e1cc733d..d0055a4bdf 100644 --- a/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c +++ b/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c @@ -11,6 +11,7 @@ * option) any later version. */ +#include <linux/io.h> #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> @@ -19,7 +20,7 @@ #include <linux/bcm47xx_nvram.h> #define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */ -#define NVRAM_SPACE 0x8000 +#define NVRAM_SPACE 0x10000 #define NVRAM_MAX_GPIO_ENTRIES 32 #define NVRAM_MAX_GPIO_VALUE_LEN 30 @@ -138,36 +139,28 @@ static int nvram_init(void) struct mtd_info *mtd; struct nvram_header header; size_t bytes_read; - int err, i; + int err; mtd = get_mtd_device_nm("nvram"); if (IS_ERR(mtd)) return -ENODEV; - for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) { - loff_t from = mtd->size - nvram_sizes[i]; - - if (from < 0) - continue; - - err = mtd_read(mtd, from, sizeof(header), &bytes_read, - (uint8_t *)&header); - if (!err && header.magic == NVRAM_MAGIC) { - u8 *dst = (uint8_t *)nvram_buf; - size_t len = header.len; + err = mtd_read(mtd, 0, sizeof(header), &bytes_read, (uint8_t *)&header); + if (!err && header.magic == NVRAM_MAGIC) { + u8 *dst = (uint8_t *)nvram_buf; + size_t len = header.len; - if (header.len > NVRAM_SPACE) { - pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", - header.len, NVRAM_SPACE); - len = NVRAM_SPACE; - } + if (header.len > NVRAM_SPACE) { + pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", + header.len, NVRAM_SPACE); + len = NVRAM_SPACE; + } - err = mtd_read(mtd, from, len, &bytes_read, dst); - if (err) - return err; + err = mtd_read(mtd, 0, len, &bytes_read, dst); + if (err) + return err; - return 0; - } + return 0; } #endif diff --git a/target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch b/target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch index 9b0a508f2c..e6199db315 100644 --- a/target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch +++ b/target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch @@ -8,14 +8,13 @@ Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki <zajec5@gmail.com> --- - arch/arm/Kconfig | 2 ++ - drivers/firmware/Kconfig | 1 + - drivers/firmware/Makefile | 1 + - drivers/firmware/broadcom/bcm47xx_nvram.c | 3 ++- - drivers/net/ethernet/broadcom/b44.c | 2 +- - drivers/net/ethernet/broadcom/bgmac.c | 2 +- - drivers/ssb/driver_chipcommon_pmu.c | 2 +- - 7 files changed, 9 insertions(+), 4 deletions(-) + arch/arm/Kconfig | 2 ++ + drivers/firmware/Kconfig | 1 + + drivers/firmware/Makefile | 1 + + drivers/net/ethernet/broadcom/b44.c | 2 +- + drivers/net/ethernet/broadcom/bgmac.c | 2 +- + drivers/ssb/driver_chipcommon_pmu.c | 2 +- + 6 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4733d32..ab18030 100644 @@ -54,27 +53,6 @@ index 5373dc5..e251f2b 100644 obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ obj-$(CONFIG_EFI) += efi/ obj-$(CONFIG_UEFI_CPER) += efi/ -diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c -index b6e1cc7..8ca7358 100644 ---- a/drivers/firmware/broadcom/bcm47xx_nvram.c -+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c -@@ -11,6 +11,7 @@ - * option) any later version. - */ - -+#include <linux/io.h> - #include <linux/types.h> - #include <linux/module.h> - #include <linux/kernel.h> -@@ -34,7 +35,7 @@ struct nvram_header { - }; - - static char nvram_buf[NVRAM_SPACE]; --static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000}; -+static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000, 0x160000, 0x180000}; - - static u32 find_nvram_size(void __iomem *end) - { diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index 8a7bf7d..bf3bcd6 100644 --- a/drivers/net/ethernet/broadcom/b44.c |