X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fenv_mmc.c;h=7da10e61afbba4733fddf5bbbcd11f0006a396b0;hb=24289208354c143967968755cff5c825a12e3f90;hp=65aafa9cac26472abc4d9707e88d42361eadef5f;hpb=5b9c79a81db80c3f9e50c77477957cd803429af8;p=u-boot

diff --git a/common/env_mmc.c b/common/env_mmc.c
index 65aafa9cac..7da10e61af 100644
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -1,7 +1,7 @@
 /*
  * (C) Copyright 2008-2011 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* #define DEBUG */
@@ -64,6 +64,14 @@ int env_init(void)
 
 static int init_mmc_for_env(struct mmc *mmc)
 {
+#ifdef CONFIG_SYS_MMC_ENV_PART
+	int dev = CONFIG_SYS_MMC_ENV_DEV;
+
+#ifdef CONFIG_SPL_BUILD
+	dev = 0;
+#endif
+#endif
+
 	if (!mmc) {
 		puts("No MMC card found\n");
 		return -1;
@@ -76,8 +84,7 @@ static int init_mmc_for_env(struct mmc *mmc)
 
 #ifdef CONFIG_SYS_MMC_ENV_PART
 	if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num) {
-		if (mmc_switch_part(CONFIG_SYS_MMC_ENV_DEV,
-				    CONFIG_SYS_MMC_ENV_PART)) {
+		if (mmc_switch_part(dev, CONFIG_SYS_MMC_ENV_PART)) {
 			puts("MMC partition switch failed\n");
 			return -1;
 		}
@@ -90,9 +97,13 @@ static int init_mmc_for_env(struct mmc *mmc)
 static void fini_mmc_for_env(struct mmc *mmc)
 {
 #ifdef CONFIG_SYS_MMC_ENV_PART
+	int dev = CONFIG_SYS_MMC_ENV_DEV;
+
+#ifdef CONFIG_SPL_BUILD
+	dev = 0;
+#endif
 	if (CONFIG_SYS_MMC_ENV_PART != mmc->part_num)
-		mmc_switch_part(CONFIG_SYS_MMC_ENV_DEV,
-				mmc->part_num);
+		mmc_switch_part(dev, mmc->part_num);
 #endif
 }
 
@@ -118,8 +129,6 @@ static unsigned char env_flags;
 int saveenv(void)
 {
 	ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
-	ssize_t	len;
-	char	*res;
 	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
 	u32	offset;
 	int	ret, copy = 0;
@@ -127,15 +136,9 @@ int saveenv(void)
 	if (init_mmc_for_env(mmc))
 		return 1;
 
-	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);
-		ret = 1;
+	ret = env_export(env_new);
+	if (ret)
 		goto fini;
-	}
-
-	env_new->crc = crc32(0, &env_new->data[0], ENV_SIZE);
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
 	env_new->flags	= ++env_flags; /* increase the serial */
@@ -174,12 +177,16 @@ static inline int read_env(struct mmc *mmc, unsigned long size,
 			   unsigned long offset, const void *buffer)
 {
 	uint blk_start, blk_cnt, n;
+	int dev = CONFIG_SYS_MMC_ENV_DEV;
+
+#ifdef CONFIG_SPL_BUILD
+	dev = 0;
+#endif
 
 	blk_start	= ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
 	blk_cnt		= ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
 
-	n = mmc->block_dev.block_read(CONFIG_SYS_MMC_ENV_DEV, blk_start,
-					blk_cnt, (uchar *)buffer);
+	n = mmc->block_dev.block_read(dev, blk_start, blk_cnt, (uchar *)buffer);
 
 	return (n == blk_cnt) ? 0 : -1;
 }
@@ -188,20 +195,22 @@ static inline int read_env(struct mmc *mmc, unsigned long size,
 void env_relocate_spec(void)
 {
 #if !defined(ENV_IS_EMBEDDED)
-	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+	struct mmc *mmc;
 	u32 offset1, offset2;
 	int read1_fail = 0, read2_fail = 0;
 	int crc1_ok = 0, crc2_ok = 0;
-	env_t *ep, *tmp_env1, *tmp_env2;
+	env_t *ep;
 	int ret;
+	int dev = CONFIG_SYS_MMC_ENV_DEV;
 
-	tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
-	tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
-	if (tmp_env1 == NULL || tmp_env2 == NULL) {
-		puts("Can't allocate buffers for environment\n");
-		ret = 1;
-		goto err;
-	}
+	ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1);
+	ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1);
+
+#ifdef CONFIG_SPL_BUILD
+	dev = 0;
+#endif
+
+	mmc = find_mmc_device(dev);
 
 	if (init_mmc_for_env(mmc)) {
 		ret = 1;
@@ -266,8 +275,6 @@ err:
 	if (ret)
 		set_default_env(NULL);
 
-	free(tmp_env1);
-	free(tmp_env2);
 #endif
 }
 #else /* ! CONFIG_ENV_OFFSET_REDUND */
@@ -275,9 +282,16 @@ void env_relocate_spec(void)
 {
 #if !defined(ENV_IS_EMBEDDED)
 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
-	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+	struct mmc *mmc;
 	u32 offset;
 	int ret;
+	int dev = CONFIG_SYS_MMC_ENV_DEV;
+
+#ifdef CONFIG_SPL_BUILD
+	dev = 0;
+#endif
+
+	mmc = find_mmc_device(dev);
 
 	if (init_mmc_for_env(mmc)) {
 		ret = 1;