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Diffstat (limited to 'common/env_mmc.c')
-rw-r--r--common/env_mmc.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/common/env_mmc.c b/common/env_mmc.c
index 88db336..9ee9062 100644
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -42,6 +42,8 @@ env_t *env_ptr = (env_t *)(&environment[0]);
env_t *env_ptr;
#endif /* ENV_IS_EMBEDDED */
+static int mmc_env_devno;
+
/* local functions */
#if !defined(ENV_IS_EMBEDDED)
static void use_default(void);
@@ -60,6 +62,12 @@ int env_init(void)
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 1;
+#ifdef CONFIG_DYNAMIC_MMC_DEVNO
+ mmc_env_devno = get_mmc_env_devno();
+#else
+ mmc_env_devno = CONFIG_SYS_MMC_ENV_DEV;
+#endif
+
return 0;
}
@@ -88,7 +96,7 @@ 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_env_devno, blk_start,
blk_cnt, (u_char *)buffer);
return (n == blk_cnt) ? 0 : -1;
@@ -96,12 +104,12 @@ inline int write_env(struct mmc *mmc, unsigned long size,
int saveenv(void)
{
- struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+ struct mmc *mmc = find_mmc_device(mmc_env_devno);
if (init_mmc_for_env(mmc))
return 1;
- printf("Writing to MMC(%d)... ", CONFIG_SYS_MMC_ENV_DEV);
+ printf("Writing to MMC(%d)... ", mmc_env_devno);
if (write_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) {
puts("failed\n");
return 1;
@@ -120,7 +128,7 @@ inline int read_env(struct mmc *mmc, unsigned long size,
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,
+ n = mmc->block_dev.block_read(mmc_env_devno, blk_start,
blk_cnt, (uchar *)buffer);
return (n == blk_cnt) ? 0 : -1;
@@ -129,7 +137,7 @@ 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 = find_mmc_device(mmc_env_devno);
if (init_mmc_for_env(mmc))
return;