powerpc/8xxx: Add hwconfig APIs to address early parsing used by DDR init

[J-u-boot.git] / include / environment.h

diff --git a/include/environment.h b/include/environment.h
index b9924fd7789cea1e935e22fa836341053eabd883..082b3e15b954ac06fd9f4068614944b9e16c0add 100644 (file)
--- a/include/environment.h
+++ b/include/environment.h
@@ -74,15 +74,24 @@
 #endif /* CONFIG_ENV_IS_IN_FLASH */
 
 #if defined(CONFIG_ENV_IS_IN_NAND)
-# ifndef CONFIG_ENV_OFFSET
-#  error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
-# endif
+# if defined(CONFIG_ENV_OFFSET_OOB)
+#  ifdef CONFIG_ENV_OFFSET_REDUND
+#   error "CONFIG_ENV_OFFSET_REDUND is not supported when CONFIG_ENV_OFFSET_OOB"
+#   error "is set"
+#  endif
+extern unsigned long nand_env_oob_offset;
+#  define CONFIG_ENV_OFFSET nand_env_oob_offset
+# else
+#  ifndef CONFIG_ENV_OFFSET
+#   error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
+#  endif
+#  ifdef CONFIG_ENV_OFFSET_REDUND
+#   define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#  endif
+# endif /* CONFIG_ENV_OFFSET_OOB */
 # ifndef CONFIG_ENV_SIZE
 #  error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_NAND"
 # endif
-# ifdef CONFIG_ENV_OFFSET_REDUND
-#  define CONFIG_SYS_REDUNDAND_ENVIRONMENT
-# endif
 #endif /* CONFIG_ENV_IS_IN_NAND */
 
 #if defined(CONFIG_ENV_IS_IN_MG_DISK)
@@ -122,6 +131,9 @@
 
 #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
 # define ENV_HEADER_SIZE       (sizeof(uint32_t) + 1)
+
+# define ACTIVE_FLAG   1
+# define OBSOLETE_FLAG 0
 #else
 # define ENV_HEADER_SIZE       (sizeof(uint32_t))
 #endif
@@ -137,6 +149,12 @@ typedef    struct environment_s {
        unsigned char   data[ENV_SIZE]; /* Environment data             */
 } env_t;
 
+#ifndef DO_DEPS_ONLY
+
+#include <search.h>
+
+extern struct hsearch_data env_htab;
+
 /* Function that returns a character from the environment */
 unsigned char env_get_char (int);
 
@@ -148,6 +166,11 @@ unsigned char env_get_char_memory (int index);
 void env_crc_update (void);
 
 /* [re]set to the default environment */
-void set_default_env(void);
+void set_default_env(const char *s);
+
+/* Import from binary representation into hash table */
+int env_import(const char *buf, int check);
+
+#endif
 
 #endif /* _ENVIRONMENT_H_ */