X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fenv_fat.c;h=75616d4c5b5c8a00d8415c15a63776520435d8a5;hb=refs%2Fheads%2Fkaro-txsd;hp=dd7139d4deca9b473415bc00a8ad6c24d829a2e2;hpb=60d7d5a63189c9f77a190c9965861dc15482c2d0;p=karo-tx-uboot.git

diff --git a/common/env_fat.c b/common/env_fat.c
index dd7139d4de..75616d4c5b 100644
--- a/common/env_fat.c
+++ b/common/env_fat.c
@@ -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>
@@ -29,6 +13,7 @@
 #include <environment.h>
 #include <linux/stddef.h>
 #include <malloc.h>
+#include <memalign.h>
 #include <search.h>
 #include <errno.h>
 #include <fat.h>
@@ -37,7 +22,6 @@
 char *env_name_spec = "FAT";
 
 env_t *env_ptr;
-static char env_buf[CONFIG_ENV_SIZE];
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -53,51 +37,32 @@ int env_init(void)
 #ifdef CONFIG_CMD_SAVEENV
 int saveenv(void)
 {
-	env_t	*env_new = env_buf;
-	ssize_t	len;
-	char	*res;
-	block_dev_desc_t *dev_desc = NULL;
-	int dev = FAT_ENV_DEVICE;
-	int part = FAT_ENV_PART;
+	env_t	env_new;
+	struct blk_desc *dev_desc = NULL;
+	disk_partition_t info;
+	int dev, part;
 	int err;
+	loff_t size;
 
-	res = (char *)env_new->data;
-	len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
-	if (len < 0) {
-		error("Cannot export environment: errno = %d\n", errno);
-		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 */
+	err = env_export(&env_new);
+	if (err)
+		return err;
 
-	dev_desc = get_dev(FAT_ENV_INTERFACE, dev);
-	if (dev_desc == NULL) {
-		printf("Failed to find %s%d\n",
-			FAT_ENV_INTERFACE, dev);
+	part = blk_get_device_part_str(FAT_ENV_INTERFACE,
+					FAT_ENV_DEVICE_AND_PART,
+					&dev_desc, &info, 1);
+	if (part < 0)
 		return 1;
-	}
 
-	err = fat_register_device(dev_desc, part);
-	if (err) {
-		printf("Failed to register %s%d:%d\n",
-			FAT_ENV_INTERFACE, dev, part);
+	dev = dev_desc->devnum;
+	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);
-	err = file_fat_write(FAT_ENV_FILE, (void *)env_new, sizeof(env_t));
+	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);
@@ -111,50 +76,35 @@ int saveenv(void)
 
 void env_relocate_spec(void)
 {
-	char *buf = env_buf;
-	block_dev_desc_t *dev_desc = NULL;
-	int dev = FAT_ENV_DEVICE;
-	int part = FAT_ENV_PART;
+	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
+	struct blk_desc *dev_desc = NULL;
+	disk_partition_t info;
+	int dev, part;
 	int err;
 
-#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;
-	}
-
-	err = fat_register_device(dev_desc, part);
-	if (err) {
-		printf("Failed to register %s%d:%d\n",
-			FAT_ENV_INTERFACE, dev, part);
-		set_default_env(NULL);
-		return;
+	part = blk_get_device_part_str(FAT_ENV_INTERFACE,
+					FAT_ENV_DEVICE_AND_PART,
+					&dev_desc, &info, 1);
+	if (part < 0)
+		goto err_env_relocate;
+
+	dev = dev_desc->devnum;
+	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;
 	}
 
-	err = file_fat_read(FAT_ENV_FILE, (uchar *)&buf, CONFIG_ENV_SIZE);
+	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);
 }