rename CFG_ENV macros to CONFIG_ENV

[platform/kernel/u-boot.git] / common / env_common.c

diff --git a/common/env_common.c b/common/env_common.c
index a494812..77f9944 100644 (file)
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -50,7 +50,6 @@ extern void env_relocate_spec (void);
 extern uchar env_get_char_spec(int);
 
 static uchar env_get_char_init (int index);
-uchar (*env_get_char)(int) = env_get_char_init;
 
 /************************************************************************
  * Default settings to be used when no valid environment is found
@@ -134,7 +133,8 @@ uchar default_environment[] = {
        "\0"
 };
 
-#if defined(CFG_ENV_IS_IN_NAND)                /* Environment is in Nand Flash */
+#if defined(CONFIG_ENV_IS_IN_NAND)             /* Environment is in Nand Flash */ \
+       || defined(CONFIG_ENV_IS_IN_SPI_FLASH)
 int default_environment_size = sizeof(default_environment);
 #endif
 
@@ -182,6 +182,19 @@ uchar env_get_char_memory (int index)
 }
 #endif
 
+uchar env_get_char (int index)
+{
+       uchar c;
+
+       /* if relocated to RAM */
+       if (gd->flags & GD_FLG_RELOC)
+               c = env_get_char_memory(index);
+       else
+               c = env_get_char_init(index);
+
+       return (c);
+}
+
 uchar *env_get_addr (int index)
 {
        if (gd->env_valid) {
@@ -191,6 +204,23 @@ uchar *env_get_addr (int index)
        }
 }
 
+void set_default_env(void)
+{
+       if (sizeof(default_environment) > ENV_SIZE) {
+               puts ("*** Error - default environment is too large\n\n");
+               return;
+       }
+
+       memset(env_ptr, 0, sizeof(env_t));
+       memcpy(env_ptr->data, default_environment,
+              sizeof(default_environment));
+#ifdef CFG_REDUNDAND_ENVIRONMENT
+       env_ptr->flags = 0xFF;
+#endif
+       env_crc_update ();
+       gd->env_valid = 1;
+}
+
 void env_relocate (void)
 {
        DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
@@ -211,38 +241,18 @@ void env_relocate (void)
        /*
         * We must allocate a buffer for the environment
         */
-       env_ptr = (env_t *)malloc (CFG_ENV_SIZE);
+       env_ptr = (env_t *)malloc (CONFIG_ENV_SIZE);
        DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
 #endif
 
-       /*
-        * After relocation to RAM, we can always use the "memory" functions
-        */
-       env_get_char = env_get_char_memory;
-
        if (gd->env_valid == 0) {
-#if defined(CONFIG_GTH)        || defined(CFG_ENV_IS_NOWHERE)  /* Environment not changable */
+#if defined(CONFIG_GTH)        || defined(CONFIG_ENV_IS_NOWHERE)       /* Environment not changable */
                puts ("Using default environment\n\n");
 #else
                puts ("*** Warning - bad CRC, using default environment\n\n");
                show_boot_progress (-60);
 #endif
-
-               if (sizeof(default_environment) > ENV_SIZE)
-               {
-                       puts ("*** Error - default environment is too large\n\n");
-                       return;
-               }
-
-               memset (env_ptr, 0, sizeof(env_t));
-               memcpy (env_ptr->data,
-                       default_environment,
-                       sizeof(default_environment));
-#ifdef CFG_REDUNDAND_ENVIRONMENT
-               env_ptr->flags = 0xFF;
-#endif
-               env_crc_update ();
-               gd->env_valid = 1;
+               set_default_env();
        }
        else {
                env_relocate_spec ();