X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=common%2Fspl%2Fspl_mmc.c;h=6b3e9e4a17a0e6be63179c9a944fb98313d3d76e;hb=bff97dde8c8cf6fd5f04bb26fca83f61eadc1741;hp=c3931c6c4d7761c598d45312e2b5ffc01a676231;hpb=45fe3809b9923b92f221d70eb45ae071059fd5e0;p=people%2Fms%2Fu-boot.git

diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index c3931c6c4d..6b3e9e4a17 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -18,43 +18,76 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static int mmc_load_legacy(struct mmc *mmc, ulong sector,
+			   struct image_header *header)
+{
+	u32 image_size_sectors;
+	unsigned long count;
+	int ret;
+
+	ret = spl_parse_image_header(header);
+	if (ret)
+		return ret;
+
+	/* convert size to sectors - round up */
+	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
+			     mmc->read_bl_len;
+
+	/* Read the header too to avoid extra memcpy */
+	count = blk_dread(mmc_get_blk_desc(mmc), sector, image_size_sectors,
+			  (void *)(ulong)spl_image.load_addr);
+	debug("read %x sectors to %x\n", image_size_sectors,
+	      spl_image.load_addr);
+	if (count != image_size_sectors)
+		return -EIO;
+
+	return 0;
+}
+
+static ulong h_spl_load_read(struct spl_load_info *load, ulong sector,
+			     ulong count, void *buf)
+{
+	struct mmc *mmc = load->dev;
+
+	return blk_dread(mmc_get_blk_desc(mmc), sector, count, buf);
+}
+
 static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
 {
 	unsigned long count;
-	u32 image_size_sectors;
 	struct image_header *header;
+	int ret = 0;
 
 	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
 					 sizeof(struct image_header));
 
 	/* read image header to find the image size & load address */
-	count = mmc->block_dev.block_read(&mmc->block_dev, sector, 1, header);
-	debug("read sector %lx, count=%lu\n", sector, count);
-	if (count == 0)
+	count = blk_dread(mmc_get_blk_desc(mmc), sector, 1, header);
+	debug("hdr read sector %lx, count=%lu\n", sector, count);
+	if (count == 0) {
+		ret = -EIO;
 		goto end;
-
-	if (image_get_magic(header) != IH_MAGIC) {
-		puts("bad magic\n");
-		return -1;
 	}
 
-	spl_parse_image_header(header);
-
-	/* convert size to sectors - round up */
-	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
-			     mmc->read_bl_len;
-
-	/* Read the header too to avoid extra memcpy */
-	count = mmc->block_dev.block_read(&mmc->block_dev, sector,
-					  image_size_sectors,
-					  (void *)(ulong)spl_image.load_addr);
-	debug("read %x sectors to %x\n", image_size_sectors,
-	      spl_image.load_addr);
+	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+	    image_get_magic(header) == FDT_MAGIC) {
+		struct spl_load_info load;
+
+		debug("Found FIT\n");
+		load.dev = mmc;
+		load.priv = NULL;
+		load.filename = NULL;
+		load.bl_len = mmc->read_bl_len;
+		load.read = h_spl_load_read;
+		ret = spl_load_simple_fit(&load, sector, header);
+	} else {
+		ret = mmc_load_legacy(mmc, sector, header);
+	}
 
 end:
-	if (count == 0) {
+	if (ret) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-		puts("spl: mmc block read error\n");
+		puts("mmc_load_image_raw_sector: mmc block read error\n");
 #endif
 		return -1;
 	}
@@ -122,7 +155,7 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
 	disk_partition_t info;
 	int err;
 
-	err = get_partition_info(&mmc->block_dev, partition, &info);
+	err = part_get_info(&mmc->block_dev, partition, &info);
 	if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
 		puts("spl: partition error\n");
@@ -149,20 +182,30 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
 static int mmc_load_image_raw_os(struct mmc *mmc)
 {
 	unsigned long count;
+	int ret;
 
-	count = mmc->block_dev.block_read(&mmc->block_dev,
+	count = blk_dread(mmc_get_blk_desc(mmc),
 		CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
 		CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
 		(void *) CONFIG_SYS_SPL_ARGS_ADDR);
 	if (count == 0) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-		puts("spl: mmc block read error\n");
+		puts("mmc_load_image_raw_os: mmc block read error\n");
 #endif
 		return -1;
 	}
 
-	return mmc_load_image_raw_sector(mmc,
+	ret = mmc_load_image_raw_sector(mmc,
 		CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
+	if (ret)
+		return ret;
+
+	if (spl_image.os != IH_OS_LINUX) {
+		puts("Expected Linux image is not found. Trying to start U-boot\n");
+		return -ENOENT;
+	}
+
+	return 0;
 }
 #else
 int spl_start_uboot(void)
@@ -182,13 +225,13 @@ int spl_mmc_do_fs_boot(struct mmc *mmc)
 
 #ifdef CONFIG_SPL_FAT_SUPPORT
 	if (!spl_start_uboot()) {
-		err = spl_load_image_fat_os(&mmc->block_dev,
+		err = spl_load_image_fat_os(mmc_get_blk_desc(mmc),
 			CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
 		if (!err)
 			return err;
 	}
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
-	err = spl_load_image_fat(&mmc->block_dev,
+	err = spl_load_image_fat(mmc_get_blk_desc(mmc),
 				 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
 				 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
 	if (!err)
@@ -243,7 +286,7 @@ int spl_mmc_load_image(u32 boot_device)
 		return err;
 	}
 
-	boot_mode = spl_boot_mode();
+	boot_mode = spl_boot_mode(boot_device);
 	err = -EINVAL;
 	switch (boot_mode) {
 	case MMCSD_MODE_EMMCBOOT:
@@ -257,7 +300,7 @@ int spl_mmc_load_image(u32 boot_device)
 			if (part == 7)
 				part = 0;
 
-			err = mmc_switch_part(0, part);
+			err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
 			if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
 				puts("spl: mmc partition switch failed\n");
@@ -284,7 +327,7 @@ int spl_mmc_load_image(u32 boot_device)
 		if (!err)
 			return err;
 #endif
-		break;
+		/* If RAW mode fails, try FS mode. */
 	case MMCSD_MODE_FS:
 		debug("spl: mmc boot mode: fs\n");