Merge branch 'master' of git://git.denx.de/u-boot-samsung

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

diff --git a/common/env_mmc.c b/common/env_mmc.c
index 15aa43d..88b043e 100644 (file)
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -10,6 +10,7 @@
 
 #include <command.h>
 #include <environment.h>
+#include <fdtdec.h>
 #include <linux/stddef.h>
 #include <malloc.h>
 #include <memalign.h>
@@ -36,15 +37,37 @@ DECLARE_GLOBAL_DATA_PTR;
 #define CONFIG_ENV_OFFSET 0
 #endif
 
-__weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static inline s64 mmc_offset(int copy)
 {
-       s64 offset;
+       const char *propname = "u-boot,mmc-env-offset";
+       s64 defvalue = CONFIG_ENV_OFFSET;
 
-       offset = CONFIG_ENV_OFFSET;
-#ifdef CONFIG_ENV_OFFSET_REDUND
+#if defined(CONFIG_ENV_OFFSET_REDUND)
+       if (copy) {
+               propname = "u-boot,mmc-env-offset-redundant";
+               defvalue = CONFIG_ENV_OFFSET_REDUND;
+       }
+#endif
+
+       return fdtdec_get_config_int(gd->fdt_blob, propname, defvalue);
+}
+#else
+static inline s64 mmc_offset(int copy)
+{
+       s64 offset = CONFIG_ENV_OFFSET;
+
+#if defined(CONFIG_ENV_OFFSET_REDUND)
        if (copy)
                offset = CONFIG_ENV_OFFSET_REDUND;
 #endif
+       return offset;
+}
+#endif
+
+__weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)
+{
+       s64 offset = mmc_offset(copy);
 
        if (offset < 0)
                offset += mmc->capacity;
@@ -54,6 +77,11 @@ __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)
        return 0;
 }
 
+__weak int mmc_get_env_dev(void)
+{
+       return CONFIG_SYS_MMC_ENV_DEV;
+}
+
 int env_init(void)
 {
        /* use default */
@@ -74,15 +102,11 @@ static unsigned char env_mmc_orig_hwpart;
 static int mmc_set_env_part(struct mmc *mmc)
 {
        uint part = mmc_get_env_part(mmc);
-       int dev = CONFIG_SYS_MMC_ENV_DEV;
+       int dev = mmc_get_env_dev();
        int ret = 0;
 
-#ifdef CONFIG_SPL_BUILD
-       dev = 0;
-#endif
-
-       env_mmc_orig_hwpart = mmc->block_dev.hwpart;
-       ret = mmc_select_hwpart(dev, part);
+       env_mmc_orig_hwpart = mmc_get_blk_desc(mmc)->hwpart;
+       ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part);
        if (ret)
                puts("MMC partition switch failed\n");
 
@@ -97,9 +121,15 @@ static const char *init_mmc_for_env(struct mmc *mmc)
        if (!mmc)
                return "!No MMC card found";
 
+#ifdef CONFIG_BLK
+       struct udevice *dev;
+
+       if (blk_get_from_parent(mmc->dev, &dev))
+               return "!No block device";
+#else
        if (mmc_init(mmc))
                return "!MMC init failed";
-
+#endif
        if (mmc_set_env_part(mmc))
                return "!MMC partition switch failed";
 
@@ -109,12 +139,9 @@ static const char *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;
+       int dev = mmc_get_env_dev();
 
-#ifdef CONFIG_SPL_BUILD
-       dev = 0;
-#endif
-       mmc_select_hwpart(dev, env_mmc_orig_hwpart);
+       blk_select_hwpart_devnum(IF_TYPE_MMC, dev, env_mmc_orig_hwpart);
 #endif
 }
 
@@ -123,12 +150,12 @@ static inline int write_env(struct mmc *mmc, unsigned long size,
                            unsigned long offset, const void *buffer)
 {
        uint blk_start, blk_cnt, n;
+       struct blk_desc *desc = mmc_get_blk_desc(mmc);
 
        blk_start       = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
        blk_cnt         = ALIGN(size, mmc->write_bl_len) / mmc->write_bl_len;
 
-       n = mmc->block_dev.block_write(&mmc->block_dev, blk_start,
-                                       blk_cnt, (u_char *)buffer);
+       n = blk_dwrite(desc, blk_start, blk_cnt, (u_char *)buffer);
 
        return (n == blk_cnt) ? 0 : -1;
 }
@@ -140,7 +167,8 @@ static unsigned char env_flags;
 int saveenv(void)
 {
        ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
-       struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+       int dev = mmc_get_env_dev();
+       struct mmc *mmc = find_mmc_device(dev);
        u32     offset;
        int     ret, copy = 0;
        const char *errmsg;
@@ -167,8 +195,7 @@ int saveenv(void)
                goto fini;
        }
 
-       printf("Writing to %sMMC(%d)... ", copy ? "redundant " : "",
-              CONFIG_SYS_MMC_ENV_DEV);
+       printf("Writing to %sMMC(%d)... ", copy ? "redundant " : "", dev);
        if (write_env(mmc, CONFIG_ENV_SIZE, offset, (u_char *)env_new)) {
                puts("failed\n");
                ret = 1;
@@ -192,12 +219,12 @@ static inline int read_env(struct mmc *mmc, unsigned long size,
                           unsigned long offset, const void *buffer)
 {
        uint blk_start, blk_cnt, n;
+       struct blk_desc *desc = mmc_get_blk_desc(mmc);
 
        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(&mmc->block_dev, blk_start, blk_cnt,
-                                     (uchar *)buffer);
+       n = blk_dread(desc, blk_start, blk_cnt, (uchar *)buffer);
 
        return (n == blk_cnt) ? 0 : -1;
 }
@@ -212,16 +239,12 @@ void env_relocate_spec(void)
        int crc1_ok = 0, crc2_ok = 0;
        env_t *ep;
        int ret;
-       int dev = CONFIG_SYS_MMC_ENV_DEV;
+       int dev = mmc_get_env_dev();
        const char *errmsg = NULL;
 
        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);
 
        errmsg = init_mmc_for_env(mmc);
@@ -298,13 +321,9 @@ void env_relocate_spec(void)
        struct mmc *mmc;
        u32 offset;
        int ret;
-       int dev = CONFIG_SYS_MMC_ENV_DEV;
+       int dev = mmc_get_env_dev();
        const char *errmsg;
 
-#ifdef CONFIG_SPL_BUILD
-       dev = 0;
-#endif
-
        mmc = find_mmc_device(dev);
 
        errmsg = init_mmc_for_env(mmc);