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-rw-r--r--include/asm-generic/global_data.h2
-rw-r--r--include/environment.h7
2 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 86bf6565f68..8b32d514c34 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -49,7 +49,7 @@ typedef struct global_data {
unsigned long precon_buf_idx; /* Pre-Console buffer index */
#endif
unsigned long env_addr; /* Address of Environment struct */
- unsigned long env_valid; /* Checksum of Environment valid? */
+ unsigned long env_valid; /* Environment valid? enum env_valid */
unsigned long ram_top; /* Top address of RAM used by U-Boot */
unsigned long relocaddr; /* Start address of U-Boot in RAM */
diff --git a/include/environment.h b/include/environment.h
index 5f2064bf233..ad2331c90b4 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -197,6 +197,13 @@ extern uint mmc_get_env_part(struct mmc *mmc);
#include <env_flags.h>
#include <search.h>
+/* Value for environment validity */
+enum env_valid {
+ ENV_INVALID, /* No valid environment */
+ ENV_VALID, /* First or only environment is valid */
+ ENV_REDUND, /* Redundant environment is valid */
+};
+
extern struct hsearch_data env_htab;
/* Function that returns a character from the environment */