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Diffstat (limited to 'env/fat.c')
-rw-r--r--env/fat.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/env/fat.c b/env/fat.c
index 129b945..abf6d11 100644
--- a/env/fat.c
+++ b/env/fat.c
@@ -19,6 +19,18 @@
#include <fat.h>
#include <mmc.h>
+#ifdef CONFIG_SPL_BUILD
+/* TODO(sjg@chromium.org): Figure out why this is needed */
+# if !defined(CONFIG_TARGET_AM335X_EVM) || defined(CONFIG_SPL_OS_BOOT)
+# define LOADENV
+# endif
+#else
+# define LOADENV
+# if defined(CONFIG_CMD_SAVEENV)
+# define CMD_SAVEENV
+# endif
+#endif
+
char *env_name_spec = "FAT";
env_t *env_ptr;
@@ -34,7 +46,7 @@ int env_init(void)
return 0;
}
-#ifdef CONFIG_CMD_SAVEENV
+#ifdef CMD_SAVEENV
int saveenv(void)
{
env_t env_new;
@@ -72,8 +84,9 @@ int saveenv(void)
puts("done\n");
return 0;
}
-#endif /* CONFIG_CMD_SAVEENV */
+#endif /* CMD_SAVEENV */
+#ifdef LOADENV
void env_relocate_spec(void)
{
ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
@@ -108,3 +121,16 @@ void env_relocate_spec(void)
err_env_relocate:
set_default_env(NULL);
}
+#endif /* LOADENV */
+
+U_BOOT_ENV_LOCATION(fat) = {
+ .location = ENVL_FAT,
+ .get_char = env_get_char_spec,
+#ifdef LOADENV
+ .load = env_relocate_spec,
+#endif
+#ifdef CMD_SAVEENV
+ .save = env_save_ptr(saveenv),
+#endif
+ .init = env_init,
+};