]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/env_fat.c
gpio: remove gpiolib.c and define remaining functions as static inline in asm/gpio.h
[karo-tx-uboot.git] / common / env_fat.c
index ca76967a5fa12d405dd882207ab910a2fdbe2f8c..e4c848935ad19d7cac64d07102e7ebe39841b58b 100644 (file)
@@ -4,23 +4,7 @@
  * Author:
  *  Maximilian Schwerin <mvs@tigris.de>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -53,47 +37,32 @@ int env_init(void)
 int saveenv(void)
 {
        env_t   env_new;
-       ssize_t len;
-       char    *res;
        block_dev_desc_t *dev_desc = NULL;
-       int dev = FAT_ENV_DEVICE;
-       int part = FAT_ENV_PART;
-
-       res = (char *)&env_new.data;
-       len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, 0, NULL);
-       if (len < 0) {
-               error("Cannot export environment: errno = %d\n", errno);
+       disk_partition_t info;
+       int dev, part;
+       int err;
+       loff_t size;
+
+       err = env_export(&env_new);
+       if (err)
+               return err;
+
+       part = get_device_and_partition(FAT_ENV_INTERFACE,
+                                       FAT_ENV_DEVICE_AND_PART,
+                                       &dev_desc, &info, 1);
+       if (part < 0)
                return 1;
-       }
-
-#ifdef CONFIG_MMC
-       if (strcmp (FAT_ENV_INTERFACE, "mmc") == 0) {
-               struct mmc *mmc = find_mmc_device(dev);
-
-               if (!mmc) {
-                       printf("no mmc device at slot %x\n", dev);
-                       return 1;
-               }
-
-               mmc->has_init = 0;
-               mmc_init(mmc);
-       }
-#endif /* CONFIG_MMC */
 
-       dev_desc = get_dev(FAT_ENV_INTERFACE, dev);
-       if (dev_desc == NULL) {
-               printf("Failed to find %s%d\n",
-                       FAT_ENV_INTERFACE, dev);
-               return 1;
-       }
-       if (fat_register_device(dev_desc, part) != 0) {
-               printf("Failed to register %s%d:%d\n",
-                       FAT_ENV_INTERFACE, dev, part);
+       dev = dev_desc->dev;
+       if (fat_set_blk_dev(dev_desc, &info) != 0) {
+               printf("\n** Unable to use %s %d:%d for saveenv **\n",
+                      FAT_ENV_INTERFACE, dev, part);
                return 1;
        }
 
-       env_new.crc = crc32(0, env_new.data, ENV_SIZE);
-       if (file_fat_write(FAT_ENV_FILE, (void *)&env_new, sizeof(env_t)) == -1) {
+       err = file_fat_write(FAT_ENV_FILE, (void *)&env_new, 0, sizeof(env_t),
+                            &size);
+       if (err == -1) {
                printf("\n** Unable to write \"%s\" from %s%d:%d **\n",
                        FAT_ENV_FILE, FAT_ENV_INTERFACE, dev, part);
                return 1;
@@ -106,46 +75,35 @@ int saveenv(void)
 
 void env_relocate_spec(void)
 {
-       char buf[CONFIG_ENV_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
        block_dev_desc_t *dev_desc = NULL;
-       int dev = FAT_ENV_DEVICE;
-       int part = FAT_ENV_PART;
-
-#ifdef CONFIG_MMC
-       if (strcmp (FAT_ENV_INTERFACE, "mmc") == 0) {
-               struct mmc *mmc = find_mmc_device(dev);
-
-               if (!mmc) {
-                       printf("no mmc device at slot %x\n", dev);
-                       set_default_env(NULL);
-                       return;
-               }
-
-               mmc->has_init = 0;
-               mmc_init(mmc);
-       }
-#endif /* CONFIG_MMC */
-
-       dev_desc = get_dev(FAT_ENV_INTERFACE, dev);
-       if (dev_desc == NULL) {
-               printf("Failed to find %s%d\n",
-                       FAT_ENV_INTERFACE, dev);
-               set_default_env(NULL);
-               return;
-       }
-       if (fat_register_device(dev_desc, part) != 0) {
-               printf("Failed to register %s%d:%d\n",
-                       FAT_ENV_INTERFACE, dev, part);
-               set_default_env(NULL);
-               return;
+       disk_partition_t info;
+       int dev, part;
+       int err;
+
+       part = get_device_and_partition(FAT_ENV_INTERFACE,
+                                       FAT_ENV_DEVICE_AND_PART,
+                                       &dev_desc, &info, 1);
+       if (part < 0)
+               goto err_env_relocate;
+
+       dev = dev_desc->dev;
+       if (fat_set_blk_dev(dev_desc, &info) != 0) {
+               printf("\n** Unable to use %s %d:%d for loading the env **\n",
+                      FAT_ENV_INTERFACE, dev, part);
+               goto err_env_relocate;
        }
 
-       if (file_fat_read(FAT_ENV_FILE, (unsigned char *)&buf, CONFIG_ENV_SIZE) == -1) {
+       err = file_fat_read(FAT_ENV_FILE, buf, CONFIG_ENV_SIZE);
+       if (err == -1) {
                printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
                        FAT_ENV_FILE, FAT_ENV_INTERFACE, dev, part);
-               set_default_env(NULL);
-               return;
+               goto err_env_relocate;
        }
 
        env_import(buf, 1);
+       return;
+
+err_env_relocate:
+       set_default_env(NULL);
 }