common/spl/spl_mmc.c - u-boot - Git at Google


            
            // SPDX-License-Identifier: GPL-2.0+

            
            /*

            
             * (C) Copyright 2010

            
             * Texas Instruments, <www.ti.com>

            
             *

            
             * Aneesh V <aneesh@ti.com>

            
             */

            
            #include <common.h>

            
            #include <dm.h>

            
            #include <spl.h>

            
            #include <linux/compiler.h>

            
            #include <errno.h>

            
            #include <asm/u-boot.h>

            
            #include <errno.h>

            
            #include <mmc.h>

            
            #include <image.h>


            static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,

            
            			   ulong sector, struct image_header *header)

            
            {

            
            	u32 image_size_sectors;

            
            	unsigned long count;

            
            	int ret;


            	ret = spl_parse_image_header(spl_image, 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 %lx\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 __maybe_unused

            
            int mmc_load_image_raw_sector(struct spl_image_info *spl_image,

            
            			      struct mmc *mmc, unsigned long sector)

            
            {

            
            	unsigned long count;

            
            	struct image_header *header;

            
            	struct blk_desc *bd = mmc_get_blk_desc(mmc);

            
            	int ret = 0;


            	header = spl_get_load_buffer(-sizeof(*header), bd->blksz);


            	/* read image header to find the image size & load address */

            
            	count = blk_dread(bd, sector, 1, header);

            
            	debug("hdr read sector %lx, count=%lu\n", sector, count);

            
            	if (count == 0) {

            
            		ret = -EIO;

            
            		goto end;

            
            	}


            	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(spl_image, &load, sector, header);

            
            	} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {

            
            		struct spl_load_info load;


            		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_imx_container(spl_image, &load, sector);

            
            	} else {

            
            		ret = mmc_load_legacy(spl_image, mmc, sector, header);

            
            	}


            end:

            
            	if (ret) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            		puts("mmc_load_image_raw_sector: mmc block read error\n");

            
            #endif

            
            		return -1;

            
            	}


            	return 0;

            
            }


            static int spl_mmc_get_device_index(u32 boot_device)

            
            {

            
            	switch (boot_device) {

            
            	case BOOT_DEVICE_MMC1:

            
            		return 0;

            
            	case BOOT_DEVICE_MMC2:

            
            	case BOOT_DEVICE_MMC2_2:

            
            		return 1;

            
            	}


            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            	printf("spl: unsupported mmc boot device.\n");

            
            #endif


            	return -ENODEV;

            
            }


            static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)

            
            {

            
            	int err, mmc_dev;


            	mmc_dev = spl_mmc_get_device_index(boot_device);

            
            	if (mmc_dev < 0)

            
            		return mmc_dev;


            #if CONFIG_IS_ENABLED(DM_MMC)

            
            	err = mmc_init_device(mmc_dev);

            
            #else

            
            	err = mmc_initialize(NULL);

            
            #endif /* DM_MMC */

            
            	if (err) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            		printf("spl: could not initialize mmc. error: %d\n", err);

            
            #endif

            
            		return err;

            
            	}

            
            	*mmcp = find_mmc_device(mmc_dev);

            
            	err = *mmcp ? 0 : -ENODEV;

            
            	if (err) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            		printf("spl: could not find mmc device %d. error: %d\n",

            
            		       mmc_dev, err);

            
            #endif

            
            		return err;

            
            	}


            	return 0;

            
            }


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION

            
            static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,

            
            					struct mmc *mmc, int partition,

            
            					unsigned long sector)

            
            {

            
            	disk_partition_t info;

            
            	int err;


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE

            
            	int type_part;

            
            	/* Only support MBR so DOS_ENTRY_NUMBERS */

            
            	for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) {

            
            		err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);

            
            		if (err)

            
            			continue;

            
            		if (info.sys_ind ==

            
            			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {

            
            			partition = type_part;

            
            			break;

            
            		}

            
            	}

            
            #endif


            	err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);

            
            	if (err) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            		puts("spl: partition error\n");

            
            #endif

            
            		return -1;

            
            	}


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR

            
            	return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);

            
            #else

            
            	return mmc_load_image_raw_sector(spl_image, mmc, info.start);

            
            #endif

            
            }

            
            #endif


            #ifdef CONFIG_SPL_OS_BOOT

            
            static int mmc_load_image_raw_os(struct spl_image_info *spl_image,

            
            				 struct mmc *mmc)

            
            {

            
            	int ret;


            #if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)

            
            	unsigned long count;


            	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 != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            		puts("mmc_load_image_raw_os: mmc block read error\n");

            
            #endif

            
            		return -1;

            
            	}

            
            #endif	/* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */


            	ret = mmc_load_image_raw_sector(spl_image, 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)

            
            {

            
            	return 1;

            
            }

            
            static int mmc_load_image_raw_os(struct spl_image_info *spl_image,

            
            				 struct mmc *mmc)

            
            {

            
            	return -ENOSYS;

            
            }

            
            #endif


            #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION

            
            static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,

            
            			      const char *filename)

            
            {

            
            	int err = -ENOSYS;


            #ifdef CONFIG_SPL_FS_FAT

            
            	if (!spl_start_uboot()) {

            
            		err = spl_load_image_fat_os(spl_image, 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(spl_image, mmc_get_blk_desc(mmc),

            
            				 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,

            
            				 filename);

            
            	if (!err)

            
            		return err;

            
            #endif

            
            #endif

            
            #ifdef CONFIG_SPL_FS_EXT4

            
            	if (!spl_start_uboot()) {

            
            		err = spl_load_image_ext_os(spl_image, 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_ext(spl_image, mmc_get_blk_desc(mmc),

            
            				 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,

            
            				 filename);

            
            	if (!err)

            
            		return err;

            
            #endif

            
            #endif


            #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)

            
            	err = -ENOENT;

            
            #endif


            	return err;

            
            }

            
            #else

            
            static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,

            
            			      const char *filename)

            
            {

            
            	return -ENOSYS;

            
            }

            
            #endif


            u32 __weak spl_boot_mode(const u32 boot_device)

            
            {

            
            #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)

            
            	return MMCSD_MODE_FS;

            
            #elif defined(CONFIG_SUPPORT_EMMC_BOOT)

            
            	return MMCSD_MODE_EMMCBOOT;

            
            #else

            
            	return MMCSD_MODE_RAW;

            
            #endif

            
            }


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION

            
            __weak

            
            int spl_boot_partition(const u32 boot_device)

            
            {

            
            	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;

            
            }

            
            #endif


            unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc)

            
            {

            
            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR

            
            	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR;

            
            #else

            
            	return 0;

            
            #endif

            
            }


            int spl_mmc_load(struct spl_image_info *spl_image,

            
            		 struct spl_boot_device *bootdev,

            
            		 const char *filename,

            
            		 int raw_part,

            
            		 unsigned long raw_sect)

            
            {

            
            	static struct mmc *mmc;

            
            	u32 boot_mode;

            
            	int err = 0;

            
            	__maybe_unused int part;


            	/* Perform peripheral init only once */

            
            	if (!mmc) {

            
            		err = spl_mmc_find_device(&mmc, bootdev->boot_device);

            
            		if (err)

            
            			return err;


            		err = mmc_init(mmc);

            
            		if (err) {

            
            			mmc = NULL;

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            			printf("spl: mmc init failed with error: %d\n", err);

            
            #endif

            
            			return err;

            
            		}

            
            	}


            	boot_mode = spl_boot_mode(bootdev->boot_device);

            
            	err = -EINVAL;

            
            	switch (boot_mode) {

            
            	case MMCSD_MODE_EMMCBOOT:

            
            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION

            
            		part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION;

            
            #else

            
            		/*

            
            		 * We need to check what the partition is configured to.

            
            		 * 1 and 2 match up to boot0 / boot1 and 7 is user data

            
            		 * which is the first physical partition (0).

            
            		 */

            
            		part = (mmc->part_config >> 3) & PART_ACCESS_MASK;


            		if (part == 7)

            
            			part = 0;

            
            #endif


            		if (CONFIG_IS_ENABLED(MMC_TINY))

            
            			err = mmc_switch_part(mmc, part);

            
            		else

            
            			err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);


            		if (err) {

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            			puts("spl: mmc partition switch failed\n");

            
            #endif

            
            			return err;

            
            		}

            
            		/* Fall through */

            
            	case MMCSD_MODE_RAW:

            
            		debug("spl: mmc boot mode: raw\n");


            		if (!spl_start_uboot()) {

            
            			err = mmc_load_image_raw_os(spl_image, mmc);

            
            			if (!err)

            
            				return err;

            
            		}


            		raw_sect = spl_mmc_get_uboot_raw_sector(mmc);


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION

            
            		err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,

            
            						   raw_sect);

            
            		if (!err)

            
            			return err;

            
            #endif

            
            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR

            
            		err = mmc_load_image_raw_sector(spl_image, mmc, raw_sect);

            
            		if (!err)

            
            			return err;

            
            #endif

            
            		/* If RAW mode fails, try FS mode. */

            
            	case MMCSD_MODE_FS:

            
            		debug("spl: mmc boot mode: fs\n");


            		err = spl_mmc_do_fs_boot(spl_image, mmc, filename);

            
            		if (!err)

            
            			return err;


            		break;

            
            #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT

            
            	default:

            
            		puts("spl: mmc: wrong boot mode\n");

            
            #endif

            
            	}


            	return err;

            
            }


            int spl_mmc_load_image(struct spl_image_info *spl_image,

            
            		       struct spl_boot_device *bootdev)

            
            {

            
            	return spl_mmc_load(spl_image, bootdev,

            
            #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME

            
            			    CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,

            
            #else

            
            			    NULL,

            
            #endif

            
            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION

            
            			    spl_boot_partition(bootdev->boot_device),

            
            #else

            
            			    0,

            
            #endif

            
            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR

            
            			    CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);

            
            #else

            
            			    0);

            
            #endif

            
            }


            SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image);

            
            SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image);

            
            SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* (C) Copyright 2010
	* Texas Instruments, <www.ti.com>
	*
	* Aneesh V <aneesh@ti.com>
	*/
	#include <common.h>
	#include <dm.h>
	#include <spl.h>
	#include <linux/compiler.h>
	#include <errno.h>
	#include <asm/u-boot.h>
	#include <errno.h>
	#include <mmc.h>
	#include <image.h>

	static int mmc_load_legacy(struct spl_image_info spl_image, struct mmc mmc,
	ulong sector, struct image_header *header)
	{
	u32 image_size_sectors;
	unsigned long count;
	int ret;

	ret = spl_parse_image_header(spl_image, 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 %lx\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 __maybe_unused
	int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
	struct mmc *mmc, unsigned long sector)
	{
	unsigned long count;
	struct image_header *header;
	struct blk_desc *bd = mmc_get_blk_desc(mmc);
	int ret = 0;

	header = spl_get_load_buffer(-sizeof(*header), bd->blksz);

	/* read image header to find the image size & load address */
	count = blk_dread(bd, sector, 1, header);
	debug("hdr read sector %lx, count=%lu\n", sector, count);
	if (count == 0) {
	ret = -EIO;
	goto end;
	}

	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(spl_image, &load, sector, header);
	} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
	struct spl_load_info load;

	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_imx_container(spl_image, &load, sector);
	} else {
	ret = mmc_load_legacy(spl_image, mmc, sector, header);
	}

	end:
	if (ret) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	puts("mmc_load_image_raw_sector: mmc block read error\n");
	#endif
	return -1;
	}

	return 0;
	}

	static int spl_mmc_get_device_index(u32 boot_device)
	{
	switch (boot_device) {
	case BOOT_DEVICE_MMC1:
	return 0;
	case BOOT_DEVICE_MMC2:
	case BOOT_DEVICE_MMC2_2:
	return 1;
	}

	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	printf("spl: unsupported mmc boot device.\n");
	#endif

	return -ENODEV;
	}

	static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
	{
	int err, mmc_dev;

	mmc_dev = spl_mmc_get_device_index(boot_device);
	if (mmc_dev < 0)
	return mmc_dev;

	#if CONFIG_IS_ENABLED(DM_MMC)
	err = mmc_init_device(mmc_dev);
	#else
	err = mmc_initialize(NULL);
	#endif /* DM_MMC */
	if (err) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	printf("spl: could not initialize mmc. error: %d\n", err);
	#endif
	return err;
	}
	*mmcp = find_mmc_device(mmc_dev);
	err = *mmcp ? 0 : -ENODEV;
	if (err) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	printf("spl: could not find mmc device %d. error: %d\n",
	mmc_dev, err);
	#endif
	return err;
	}

	return 0;
	}

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
	static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,
	struct mmc *mmc, int partition,
	unsigned long sector)
	{
	disk_partition_t info;
	int err;

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
	int type_part;
	/* Only support MBR so DOS_ENTRY_NUMBERS */
	for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) {
	err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
	if (err)
	continue;
	if (info.sys_ind ==
	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
	partition = type_part;
	break;
	}
	}
	#endif

	err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
	if (err) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	puts("spl: partition error\n");
	#endif
	return -1;
	}

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
	return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);
	#else
	return mmc_load_image_raw_sector(spl_image, mmc, info.start);
	#endif
	}
	#endif

	#ifdef CONFIG_SPL_OS_BOOT
	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
	struct mmc *mmc)
	{
	int ret;

	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)
	unsigned long count;

	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 != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	puts("mmc_load_image_raw_os: mmc block read error\n");
	#endif
	return -1;
	}
	#endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */

	ret = mmc_load_image_raw_sector(spl_image, 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)
	{
	return 1;
	}
	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
	struct mmc *mmc)
	{
	return -ENOSYS;
	}
	#endif

	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
	static int spl_mmc_do_fs_boot(struct spl_image_info spl_image, struct mmc mmc,
	const char *filename)
	{
	int err = -ENOSYS;

	#ifdef CONFIG_SPL_FS_FAT
	if (!spl_start_uboot()) {
	err = spl_load_image_fat_os(spl_image, 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(spl_image, mmc_get_blk_desc(mmc),
	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	filename);
	if (!err)
	return err;
	#endif
	#endif
	#ifdef CONFIG_SPL_FS_EXT4
	if (!spl_start_uboot()) {
	err = spl_load_image_ext_os(spl_image, 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_ext(spl_image, mmc_get_blk_desc(mmc),
	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	filename);
	if (!err)
	return err;
	#endif
	#endif

	#if defined(CONFIG_SPL_FS_FAT) \|\| defined(CONFIG_SPL_FS_EXT4)
	err = -ENOENT;
	#endif

	return err;
	}
	#else
	static int spl_mmc_do_fs_boot(struct spl_image_info spl_image, struct mmc mmc,
	const char *filename)
	{
	return -ENOSYS;
	}
	#endif

	u32 __weak spl_boot_mode(const u32 boot_device)
	{
	#if defined(CONFIG_SPL_FS_FAT) \|\| defined(CONFIG_SPL_FS_EXT4)
	return MMCSD_MODE_FS;
	#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
	return MMCSD_MODE_EMMCBOOT;
	#else
	return MMCSD_MODE_RAW;
	#endif
	}

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
	__weak
	int spl_boot_partition(const u32 boot_device)
	{
	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
	}
	#endif

	unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc)
	{
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR;
	#else
	return 0;
	#endif
	}

	int spl_mmc_load(struct spl_image_info *spl_image,
	struct spl_boot_device *bootdev,
	const char *filename,
	int raw_part,
	unsigned long raw_sect)
	{
	static struct mmc *mmc;
	u32 boot_mode;
	int err = 0;
	__maybe_unused int part;

	/* Perform peripheral init only once */
	if (!mmc) {
	err = spl_mmc_find_device(&mmc, bootdev->boot_device);
	if (err)
	return err;

	err = mmc_init(mmc);
	if (err) {
	mmc = NULL;
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	printf("spl: mmc init failed with error: %d\n", err);
	#endif
	return err;
	}
	}

	boot_mode = spl_boot_mode(bootdev->boot_device);
	err = -EINVAL;
	switch (boot_mode) {
	case MMCSD_MODE_EMMCBOOT:
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
	part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION;
	#else
	/*
	* We need to check what the partition is configured to.
	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	* which is the first physical partition (0).
	*/
	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;

	if (part == 7)
	part = 0;
	#endif

	if (CONFIG_IS_ENABLED(MMC_TINY))
	err = mmc_switch_part(mmc, part);
	else
	err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);

	if (err) {
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	puts("spl: mmc partition switch failed\n");
	#endif
	return err;
	}
	/* Fall through */
	case MMCSD_MODE_RAW:
	debug("spl: mmc boot mode: raw\n");

	if (!spl_start_uboot()) {
	err = mmc_load_image_raw_os(spl_image, mmc);
	if (!err)
	return err;
	}

	raw_sect = spl_mmc_get_uboot_raw_sector(mmc);

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
	err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,
	raw_sect);
	if (!err)
	return err;
	#endif
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
	err = mmc_load_image_raw_sector(spl_image, mmc, raw_sect);
	if (!err)
	return err;
	#endif
	/* If RAW mode fails, try FS mode. */
	case MMCSD_MODE_FS:
	debug("spl: mmc boot mode: fs\n");

	err = spl_mmc_do_fs_boot(spl_image, mmc, filename);
	if (!err)
	return err;

	break;
	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	default:
	puts("spl: mmc: wrong boot mode\n");
	#endif
	}

	return err;
	}

	int spl_mmc_load_image(struct spl_image_info *spl_image,
	struct spl_boot_device *bootdev)
	{
	return spl_mmc_load(spl_image, bootdev,
	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
	#else
	NULL,
	#endif
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
	spl_boot_partition(bootdev->boot_device),
	#else
	0,
	#endif
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
	#else
	0);
	#endif
	}

	SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image);
	SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image);
	SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);