X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=env%2Fext4.c;h=6c69a0a57f44fe5ddb796f1ed00ee1890c308d92;hb=2f8ffb0655ccb7f5cc5568a52ff45272b19fa5d3;hp=7bb4ce7cffa1e88af380a71da3038c4c91780bee;hpb=203e94f6c9ca03e260175ce240f5856507395585;p=u-boot

diff --git a/env/ext4.c b/env/ext4.c
index 7bb4ce7cff..6c69a0a57f 100644
--- a/env/ext4.c
+++ b/env/ext4.c
@@ -31,23 +31,10 @@
 #include <ext4fs.h>
 #include <mmc.h>
 
-char *env_name_spec = "EXT4";
-
-env_t *env_ptr;
-
 DECLARE_GLOBAL_DATA_PTR;
 
-int env_init(void)
-{
-	/* use default */
-	gd->env_addr = (ulong)&default_environment[0];
-	gd->env_valid = ENV_VALID;
-
-	return 0;
-}
-
 #ifdef CONFIG_CMD_SAVEENV
-int saveenv(void)
+static int env_ext4_save(void)
 {
 	env_t	env_new;
 	struct blk_desc *dev_desc = NULL;
@@ -59,9 +46,9 @@ int saveenv(void)
 	if (err)
 		return err;
 
-	part = blk_get_device_part_str(EXT4_ENV_INTERFACE,
-					EXT4_ENV_DEVICE_AND_PART,
-					&dev_desc, &info, 1);
+	part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
+				       CONFIG_ENV_EXT4_DEVICE_AND_PART,
+				       &dev_desc, &info, 1);
 	if (part < 0)
 		return 1;
 
@@ -70,16 +57,19 @@ int saveenv(void)
 
 	if (!ext4fs_mount(info.size)) {
 		printf("\n** Unable to use %s %s for saveenv **\n",
-		       EXT4_ENV_INTERFACE, EXT4_ENV_DEVICE_AND_PART);
+		       CONFIG_ENV_EXT4_INTERFACE,
+		       CONFIG_ENV_EXT4_DEVICE_AND_PART);
 		return 1;
 	}
 
-	err = ext4fs_write(EXT4_ENV_FILE, (void *)&env_new, sizeof(env_t));
+	err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)&env_new,
+			   sizeof(env_t));
 	ext4fs_close();
 
 	if (err == -1) {
 		printf("\n** Unable to write \"%s\" from %s%d:%d **\n",
-			EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
+			CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
+			part);
 		return 1;
 	}
 
@@ -88,7 +78,7 @@ int saveenv(void)
 }
 #endif /* CONFIG_CMD_SAVEENV */
 
-void env_relocate_spec(void)
+static int env_ext4_load(void)
 {
 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
 	struct blk_desc *dev_desc = NULL;
@@ -97,9 +87,12 @@ void env_relocate_spec(void)
 	int err;
 	loff_t off;
 
-	part = blk_get_device_part_str(EXT4_ENV_INTERFACE,
-					EXT4_ENV_DEVICE_AND_PART,
-					&dev_desc, &info, 1);
+	if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc"))
+		mmc_initialize(NULL);
+
+	part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
+				       CONFIG_ENV_EXT4_DEVICE_AND_PART,
+				       &dev_desc, &info, 1);
 	if (part < 0)
 		goto err_env_relocate;
 
@@ -108,22 +101,33 @@ void env_relocate_spec(void)
 
 	if (!ext4fs_mount(info.size)) {
 		printf("\n** Unable to use %s %s for loading the env **\n",
-		       EXT4_ENV_INTERFACE, EXT4_ENV_DEVICE_AND_PART);
+		       CONFIG_ENV_EXT4_INTERFACE,
+		       CONFIG_ENV_EXT4_DEVICE_AND_PART);
 		goto err_env_relocate;
 	}
 
-	err = ext4_read_file(EXT4_ENV_FILE, buf, 0, CONFIG_ENV_SIZE, &off);
+	err = ext4_read_file(CONFIG_ENV_EXT4_FILE, buf, 0, CONFIG_ENV_SIZE,
+			     &off);
 	ext4fs_close();
 
 	if (err == -1) {
 		printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
-			EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
+			CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
+			part);
 		goto err_env_relocate;
 	}
 
-	env_import(buf, 1);
-	return;
+	return env_import(buf, 1);
 
 err_env_relocate:
 	set_default_env(NULL);
+
+	return -EIO;
 }
+
+U_BOOT_ENV_LOCATION(ext4) = {
+	.location	= ENVL_EXT4,
+	ENV_NAME("EXT4")
+	.load		= env_ext4_load,
+	.save		= env_save_ptr(env_ext4_save),
+};