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| author | Tom Rini <trini@ti.com> | 2014-03-28 12:03:34 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-04-17 14:39:54 -0400 |
| commit | b9c8ccaba77b24f7a1b4756a927f19dccf895954 (patch) | |
| tree | c25545a3fa36c38269c10dcd08b923d0c135bdf2 /common/env_mmc.c | |
| parent | 229695fee97abc7f4adad92eb8e036792c144bc6 (diff) | |
| download | blackbird-obmc-uboot-b9c8ccaba77b24f7a1b4756a927f19dccf895954.tar.gz blackbird-obmc-uboot-b9c8ccaba77b24f7a1b4756a927f19dccf895954.zip | |
env_mmc.c: Allow environment to be used within SPL
Inside of SPL we only concern ourself with one MMC device, so instead of
being able to use CONFIG_SYS_MMC_ENV_DEV we need to use 0 in SPL.
Switch the code to use a 'dev' variable to facilitate this.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'common/env_mmc.c')
| -rw-r--r-- | common/env_mmc.c | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/common/env_mmc.c b/common/env_mmc.c index 045428c6ec..d42168b773 100644 --- a/common/env_mmc.c +++ b/common/env_mmc.c @@ -64,6 +64,14 @@ int env_init(void) static int init_mmc_for_env(struct mmc *mmc) { +#ifdef CONFIG_SYS_MMC_ENV_PART + int dev = CONFIG_SYS_MMC_ENV_DEV; + +#ifdef CONFIG_SPL_BUILD + dev = 0; +#endif +#endif + if (!mmc) { puts("No MMC card found\n"); return -1; @@ -76,8 +84,7 @@ static int init_mmc_for_env(struct mmc *mmc) #ifdef CONFIG_SYS_MMC_ENV_PART if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num) { - if (mmc_switch_part(CONFIG_SYS_MMC_ENV_DEV, - CONFIG_SYS_MMC_ENV_PART)) { + if (mmc_switch_part(dev, CONFIG_SYS_MMC_ENV_PART)) { puts("MMC partition switch failed\n"); return -1; } @@ -90,9 +97,13 @@ 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; + +#ifdef CONFIG_SPL_BUILD + dev = 0; +#endif if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num) - mmc_switch_part(CONFIG_SYS_MMC_ENV_DEV, - mmc->part_num); + mmc_switch_part(dev, mmc->part_num); #endif } @@ -174,12 +185,16 @@ 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; + +#ifdef CONFIG_SPL_BUILD + dev = 0; +#endif blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len; blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len; - n = mmc->block_dev.block_read(CONFIG_SYS_MMC_ENV_DEV, blk_start, - blk_cnt, (uchar *)buffer); + n = mmc->block_dev.block_read(dev, blk_start, blk_cnt, (uchar *)buffer); return (n == blk_cnt) ? 0 : -1; } @@ -188,16 +203,23 @@ static inline int read_env(struct mmc *mmc, unsigned long size, void env_relocate_spec(void) { #if !defined(ENV_IS_EMBEDDED) - struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV); + struct mmc *mmc; u32 offset1, offset2; int read1_fail = 0, read2_fail = 0; int crc1_ok = 0, crc2_ok = 0; env_t *ep; int ret; + int dev = CONFIG_SYS_MMC_ENV_DEV; ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1); ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1); +#ifdef CONFIG_SPL_BUILD + dev = 0; +#endif + + mmc = find_mmc_device(dev); + if (tmp_env1 == NULL || tmp_env2 == NULL) { puts("Can't allocate buffers for environment\n"); ret = 1; @@ -274,9 +296,16 @@ void env_relocate_spec(void) { #if !defined(ENV_IS_EMBEDDED) ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE); - struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV); + struct mmc *mmc; u32 offset; int ret; + int dev = CONFIG_SYS_MMC_ENV_DEV; + +#ifdef CONFIG_SPL_BUILD + dev = 0; +#endif + + mmc = find_mmc_device(dev); if (init_mmc_for_env(mmc)) { ret = 1; |
