return 0;
}
-static int init_mmc_for_env(struct mmc *mmc)
-{
#ifdef CONFIG_SYS_MMC_ENV_PART
+__weak uint mmc_get_env_part(struct mmc *mmc)
+{
+ return CONFIG_SYS_MMC_ENV_PART;
+}
+
+static int mmc_set_env_part(struct mmc *mmc)
+{
+ uint part = mmc_get_env_part(mmc);
int dev = CONFIG_SYS_MMC_ENV_DEV;
+ int ret = 0;
#ifdef CONFIG_SPL_BUILD
dev = 0;
#endif
+
+ if (part != mmc->part_num) {
+ ret = mmc_switch_part(dev, part);
+ if (ret)
+ puts("MMC partition switch failed\n");
+ }
+
+ return ret;
+}
+#else
+static inline int mmc_set_env_part(struct mmc *mmc) {return 0; };
#endif
+static int init_mmc_for_env(struct mmc *mmc)
+{
if (!mmc) {
puts("No MMC card found\n");
return -1;
return -1;
}
-#ifdef CONFIG_SYS_MMC_ENV_PART
- if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num) {
- if (mmc_switch_part(dev, CONFIG_SYS_MMC_ENV_PART)) {
- puts("MMC partition switch failed\n");
- return -1;
- }
- }
-#endif
-
- return 0;
+ return mmc_set_env_part(mmc);
}
static void fini_mmc_for_env(struct mmc *mmc)
#ifdef CONFIG_SPL_BUILD
dev = 0;
#endif
- if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num)
+ if (mmc_get_env_part(mmc) != mmc->part_num)
mmc_switch_part(dev, mmc->part_num);
#endif
}
int saveenv(void)
{
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
- ssize_t len;
- char *res;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
u32 offset;
int ret, copy = 0;
if (init_mmc_for_env(mmc))
return 1;
- res = (char *)&env_new->data;
- len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
- if (len < 0) {
- error("Cannot export environment: errno = %d\n", errno);
- ret = 1;
+ ret = env_export(env_new);
+ if (ret)
goto fini;
- }
-
- env_new->crc = crc32(0, &env_new->data[0], ENV_SIZE);
#ifdef CONFIG_ENV_OFFSET_REDUND
env_new->flags = ++env_flags; /* increase the serial */
mmc = find_mmc_device(dev);
- if (tmp_env1 == NULL || tmp_env2 == NULL) {
- puts("Can't allocate buffers for environment\n");
- ret = 1;
- goto err;
- }
-
if (init_mmc_for_env(mmc)) {
ret = 1;
goto err;