env_nand: align NAND buffers

This allows cache flush/invalidate operations to succeed on the buffers.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Scott Wood <scottwood@freescale.com>

diff --git a/common/env_nand.c b/common/env_nand.c
index e8daec9..e635472 100644 (file)
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -226,7 +226,7 @@ int saveenv(void)
 int saveenv(void)
 {
        int     ret = 0;
-       env_t   env_new;
+       ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, sizeof(env_t));
        ssize_t len;
        char    *res;
        nand_erase_options_t nand_erase_options;
@@ -238,20 +238,20 @@ int saveenv(void)
        if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE)
                return 1;
 
-       res = (char *)&env_new.data;
+       res = (char *)&env_new->data;
        len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, 0, NULL);
        if (len < 0) {
                error("Cannot export environment: errno = %d\n", errno);
                return 1;
        }
-       env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+       env_new->crc = crc32(0, env_new->data, ENV_SIZE);
 
        puts("Erasing Nand...\n");
        if (nand_erase_opts(&nand_info[0], &nand_erase_options))
                return 1;
 
        puts("Writing to Nand... ");
-       if (writeenv(CONFIG_ENV_OFFSET, (u_char *)&env_new)) {
+       if (writeenv(CONFIG_ENV_OFFSET, (u_char *)env_new)) {
                puts("FAILED!\n");
                return 1;
        }
@@ -398,7 +398,7 @@ void env_relocate_spec(void)
 {
 #if !defined(ENV_IS_EMBEDDED)
        int ret;
-       char buf[CONFIG_ENV_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
 
 #if defined(CONFIG_ENV_OFFSET_OOB)
        ret = get_nand_env_oob(&nand_info[0], &nand_env_oob_offset);