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| author | Peng Fan <Peng.Fan@freescale.com> | 2015-04-11 16:35:22 +0800 |
|---|---|---|
| committer | Peng Fan <Peng.Fan@freescale.com> | 2015-04-29 14:52:33 +0800 |
| commit | 17d2a94e94449163a132b4485d7a7fe22dbcded6 (patch) | |
| tree | 0089cdef1d905c3c37783083227f5375405b6630 /common | |
| parent | 532d5e69a1642bd8d1c1f928d3a35b414bbce81b (diff) | |
| download | u-boot-imx-17d2a94e94449163a132b4485d7a7fe22dbcded6.zip u-boot-imx-17d2a94e94449163a132b4485d7a7fe22dbcded6.tar.gz u-boot-imx-17d2a94e94449163a132b4485d7a7fe22dbcded6.tar.bz2 | |
MLK-10774-8 env_mmc: add the dynamtic mmc dev support
This patch add the support to load/save env to the slot which
was used as the boot media by dynamic detection.
Signed-off-by: Jason Liu <r64343@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/env_mmc.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/common/env_mmc.c b/common/env_mmc.c index 14648e3..fb006bd 100644 --- a/common/env_mmc.c +++ b/common/env_mmc.c @@ -53,6 +53,11 @@ __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr) return 0; } +__weak int mmc_get_env_devno(void) +{ + return CONFIG_SYS_MMC_ENV_DEV; +} + int env_init(void) { /* use default */ @@ -71,7 +76,7 @@ __weak uint mmc_get_env_part(struct mmc *mmc) static int mmc_set_env_part(struct mmc *mmc) { uint part = mmc_get_env_part(mmc); - int dev = CONFIG_SYS_MMC_ENV_DEV; + int dev = mmc_get_env_devno(); int ret = 0; #ifdef CONFIG_SPL_BUILD @@ -108,7 +113,7 @@ static int init_mmc_for_env(struct mmc *mmc) static void fini_mmc_for_env(struct mmc *mmc) { #ifdef CONFIG_SYS_MMC_ENV_PART - int dev = CONFIG_SYS_MMC_ENV_DEV; + int dev = mmc_get_env_devno(); #ifdef CONFIG_SPL_BUILD dev = 0; @@ -127,7 +132,7 @@ static inline int write_env(struct mmc *mmc, unsigned long size, blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len; blk_cnt = ALIGN(size, mmc->write_bl_len) / mmc->write_bl_len; - n = mmc->block_dev.block_write(CONFIG_SYS_MMC_ENV_DEV, blk_start, + n = mmc->block_dev.block_write(mmc_get_env_devno(), blk_start, blk_cnt, (u_char *)buffer); return (n == blk_cnt) ? 0 : -1; @@ -140,7 +145,8 @@ static unsigned char env_flags; int saveenv(void) { ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1); - struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV); + int mmc_env_devno = mmc_get_env_devno(); + struct mmc *mmc = find_mmc_device(mmc_env_devno); u32 offset; int ret, copy = 0; @@ -164,7 +170,7 @@ int saveenv(void) } printf("Writing to %sMMC(%d)... ", copy ? "redundant " : "", - CONFIG_SYS_MMC_ENV_DEV); + mmc_env_devno); if (write_env(mmc, CONFIG_ENV_SIZE, offset, (u_char *)env_new)) { puts("failed\n"); ret = 1; @@ -188,7 +194,7 @@ static inline int read_env(struct mmc *mmc, unsigned long size, unsigned long offset, const void *buffer) { uint blk_start, blk_cnt, n; - int dev = CONFIG_SYS_MMC_ENV_DEV; + int dev = mmc_get_env_devno(); #ifdef CONFIG_SPL_BUILD dev = 0; @@ -212,7 +218,7 @@ void env_relocate_spec(void) int crc1_ok = 0, crc2_ok = 0; env_t *ep; int ret; - int dev = CONFIG_SYS_MMC_ENV_DEV; + int dev = mmc_get_env_devno(); ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1); ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1); @@ -296,7 +302,7 @@ void env_relocate_spec(void) struct mmc *mmc; u32 offset; int ret; - int dev = CONFIG_SYS_MMC_ENV_DEV; + int dev = mmc_get_env_devno(); #ifdef CONFIG_SPL_BUILD dev = 0; |