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env_mmc: align buffers using ALLOC_CACHE_ALIGN_BUFFER

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This allows MMC drivers to perform cache flusing on the bufffers
without issue.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Cc: Andy Fleming <afleming@gmail.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Stephen Warren 2012-05-24 11:38:33 +00:00 committed by Albert ARIBAUD
parent b1b9e4ce3a
commit 4036b6301e
1 changed files with 5 additions and 5 deletions
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10
common/env_mmc.c
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@ -95,7 +95,7 @@ static inline int write_env(struct mmc *mmc, unsigned long size,
int saveenv(void) int saveenv(void)
{ {
env_t env_new; ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
ssize_t len; ssize_t len;
char *res; char *res;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV); struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
@ -104,16 +104,16 @@ int saveenv(void)
if (init_mmc_for_env(mmc) || mmc_get_env_addr(mmc, &offset)) if (init_mmc_for_env(mmc) || mmc_get_env_addr(mmc, &offset))
return 1; return 1;
res = (char *)&env_new.data; res = (char *)&env_new->data;
len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, 0, NULL); len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, 0, NULL);
if (len < 0) { if (len < 0) {
error("Cannot export environment: errno = %d\n", errno); error("Cannot export environment: errno = %d\n", errno);
return 1; return 1;
} }
env_new.crc = crc32(0, env_new.data, ENV_SIZE); env_new->crc = crc32(0, &env_new->data[0], ENV_SIZE);
printf("Writing to MMC(%d)... ", CONFIG_SYS_MMC_ENV_DEV); printf("Writing to MMC(%d)... ", CONFIG_SYS_MMC_ENV_DEV);
if (write_env(mmc, CONFIG_ENV_SIZE, offset, (u_char *)&env_new)) { if (write_env(mmc, CONFIG_ENV_SIZE, offset, (u_char *)env_new)) {
puts("failed\n"); puts("failed\n");
return 1; return 1;
} }
@ -140,7 +140,7 @@ static inline int read_env(struct mmc *mmc, unsigned long size,
void env_relocate_spec(void) void env_relocate_spec(void)
{ {
#if !defined(ENV_IS_EMBEDDED) #if !defined(ENV_IS_EMBEDDED)
char buf[CONFIG_ENV_SIZE]; ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV); struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
u32 offset; u32 offset;