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 <dm.h>

            
            #include <log.h>

            
            #include <part.h>

            
            #include <spl.h>

            
            #include <spl_load.h>

            
            #include <linux/compiler.h>

            
            #include <errno.h>

            
            #include <errno.h>

            
            #include <mmc.h>

            
            #include <image.h>

            
            #include <imx_container.h>


            static ulong h_spl_load_read(struct spl_load_info *load, ulong off,

            
            			     ulong size, void *buf)

            
            {

            
            	struct blk_desc *bd = load->priv;

            
            	lbaint_t sector = off >> bd->log2blksz;

            
            	lbaint_t count = size >> bd->log2blksz;


            	return blk_dread(bd, sector, count, buf) << bd->log2blksz;

            
            }


            static __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part)

            
            {

            
            #if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR)

            
            	if (part == 0)

            
            		return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET;

            
            #endif


            	return 0;

            
            }


            static __maybe_unused

            
            int mmc_load_image_raw_sector(struct spl_image_info *spl_image,

            
            			      struct spl_boot_device *bootdev,

            
            			      struct mmc *mmc, unsigned long sector)

            
            {

            
            	int ret;

            
            	struct blk_desc *bd = mmc_get_blk_desc(mmc);

            
            	struct spl_load_info load;


            	load.priv = bd;

            
            	spl_set_bl_len(&load, bd->blksz);

            
            	load.read = h_spl_load_read;

            
            	ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);

            
            	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 spl_boot_device *bootdev,

            
            					struct mmc *mmc, int partition,

            
            					unsigned long sector)

            
            {

            
            	struct disk_partition 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, bootdev, mmc, info.start + sector);

            
            #else

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

            
            #endif

            
            }

            
            #endif


            #if CONFIG_IS_ENABLED(FALCON_BOOT_MMCSD)

            
            static int mmc_load_image_raw_os(struct spl_image_info *spl_image,

            
            				 struct spl_boot_device *bootdev,

            
            				 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_SPL_PAYLOAD_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, bootdev, mmc,

            
            		CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);

            
            	if (ret)

            
            		return ret;


            	if (spl_image->os != IH_OS_LINUX && spl_image->os != IH_OS_TEE) {

            
            		puts("Expected image is not found. Trying to start U-Boot\n");

            
            		return -ENOENT;

            
            	}


            	return 0;

            
            }

            
            #else

            
            static int mmc_load_image_raw_os(struct spl_image_info *spl_image,

            
            				 struct spl_boot_device *bootdev,

            
            				 struct mmc *mmc)

            
            {

            
            	return -ENOSYS;

            
            }

            
            #endif


            #ifndef CONFIG_SPL_OS_BOOT

            
            int spl_start_uboot(void)

            
            {

            
            	return 1;

            
            }

            
            #endif


            #ifdef CONFIG_SYS_MMCSD_FS_BOOT

            
            static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image,

            
            			      struct spl_boot_device *bootdev,

            
            			      struct mmc *mmc,

            
            			      const char *filename)

            
            {

            
            	int err = -ENOSYS;


            	__maybe_unused int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION;


            #if CONFIG_SYS_MMCSD_FS_BOOT_PARTITION == -1

            
            	{

            
            		struct disk_partition info;

            
            		debug("Checking for the first MBR bootable partition\n");

            
            		for (int 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;

            
            			debug("Partition %d is of type %d and bootable=%d\n", type_part, info.sys_ind, info.bootable);

            
            			if (info.bootable != 0) {

            
            				debug("Partition %d is bootable, using it\n", type_part);

            
            				partition = type_part;

            
            				break;

            
            			}

            
            		}

            
            		printf("Using first bootable partition: %d\n", partition);

            
            		if (partition == CONFIG_SYS_MMCSD_FS_BOOT_PARTITION) {

            
            			return -ENOSYS;

            
            		}

            
            	}

            
            #endif


            #ifdef CONFIG_SPL_FS_FAT

            
            	if (!spl_start_uboot()) {

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

            
            			partition);

            
            		if (!err)

            
            			return err;

            
            	}

            
            #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME

            
            	err = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc),

            
            				 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, bootdev, mmc_get_blk_desc(mmc),

            
            			partition);

            
            		if (!err)

            
            			return err;

            
            	}

            
            #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME

            
            	err = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc),

            
            				 partition,

            
            				 filename);

            
            	if (!err)

            
            		return err;

            
            #endif

            
            #endif


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

            
            	err = -ENOENT;

            
            #endif


            	return err;

            
            }

            
            #endif


            u32 __weak spl_mmc_boot_mode(struct mmc *mmc, 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

            
            int __weak spl_mmc_boot_partition(const u32 boot_device)

            
            {

            
            	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;

            
            }

            
            #endif


            unsigned long __weak arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,

            
            						       unsigned long raw_sect)

            
            {

            
            	return raw_sect;

            
            }


            unsigned long __weak board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,

            
            						  unsigned long raw_sect)

            
            {

            
            	return arch_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);

            
            }


            unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc,

            
            						  unsigned long raw_sect)

            
            {

            
            	return board_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);

            
            }


            int default_spl_mmc_emmc_boot_partition(struct mmc *mmc)

            
            {

            
            	int part;

            
            #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 = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);

            
            	if (part == 7)

            
            		part = 0;

            
            #endif

            
            	return part;

            
            }


            int __weak spl_mmc_emmc_boot_partition(struct mmc *mmc)

            
            {

            
            	return default_spl_mmc_emmc_boot_partition(mmc);

            
            }


            static int spl_mmc_get_mmc_devnum(struct mmc *mmc)

            
            {

            
            	struct blk_desc *block_dev;

            
            #if !CONFIG_IS_ENABLED(BLK)

            
            	block_dev = &mmc->block_dev;

            
            #else

            
            	block_dev = mmc_get_blk_desc(mmc);

            
            #endif

            
            	return block_dev->devnum;

            
            }


            static struct mmc *mmc;


            void spl_mmc_clear_cache(void)

            
            {

            
            	mmc = NULL;

            
            }


            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)

            
            {

            
            	u32 boot_mode;

            
            	int err = 0;

            
            	__maybe_unused int part = 0;

            
            	int mmc_dev;


            	/* Perform peripheral init only once for an mmc device */

            
            	mmc_dev = spl_mmc_get_device_index(bootdev->boot_device);

            
            	if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) {

            
            		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_mmc_boot_mode(mmc, bootdev->boot_device);

            
            	err = -EINVAL;

            
            	switch (boot_mode) {

            
            	case MMCSD_MODE_EMMCBOOT:

            
            		part = spl_mmc_emmc_boot_partition(mmc);


            		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, bootdev, mmc);

            
            			if (!err)

            
            				return err;

            
            		}


            		raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);


            #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION

            
            		err = mmc_load_image_raw_partition(spl_image, bootdev,

            
            						   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, bootdev, mmc,

            
            				raw_sect + spl_mmc_raw_uboot_offset(part));

            
            		if (!err)

            
            			return err;

            
            #endif

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

            
            #ifdef CONFIG_SYS_MMCSD_FS_BOOT

            
            	case MMCSD_MODE_FS:

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


            		err = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename);

            
            		if (!err)

            
            			return err;


            		break;

            
            #endif

            
            #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_mmc_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 <dm.h>
	#include <log.h>
	#include <part.h>
	#include <spl.h>
	#include <spl_load.h>
	#include <linux/compiler.h>
	#include <errno.h>
	#include <errno.h>
	#include <mmc.h>
	#include <image.h>
	#include <imx_container.h>

	static ulong h_spl_load_read(struct spl_load_info *load, ulong off,
	ulong size, void *buf)
	{
	struct blk_desc *bd = load->priv;
	lbaint_t sector = off >> bd->log2blksz;
	lbaint_t count = size >> bd->log2blksz;

	return blk_dread(bd, sector, count, buf) << bd->log2blksz;
	}

	static __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part)
	{
	#if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR)
	if (part == 0)
	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET;
	#endif

	return 0;
	}

	static __maybe_unused
	int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
	struct spl_boot_device *bootdev,
	struct mmc *mmc, unsigned long sector)
	{
	int ret;
	struct blk_desc *bd = mmc_get_blk_desc(mmc);
	struct spl_load_info load;

	load.priv = bd;
	spl_set_bl_len(&load, bd->blksz);
	load.read = h_spl_load_read;
	ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);
	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 spl_boot_device *bootdev,
	struct mmc *mmc, int partition,
	unsigned long sector)
	{
	struct disk_partition 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, bootdev, mmc, info.start + sector);
	#else
	return mmc_load_image_raw_sector(spl_image, bootdev, mmc, info.start);
	#endif
	}
	#endif

	#if CONFIG_IS_ENABLED(FALCON_BOOT_MMCSD)
	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
	struct spl_boot_device *bootdev,
	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_SPL_PAYLOAD_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, bootdev, mmc,
	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
	if (ret)
	return ret;

	if (spl_image->os != IH_OS_LINUX && spl_image->os != IH_OS_TEE) {
	puts("Expected image is not found. Trying to start U-Boot\n");
	return -ENOENT;
	}

	return 0;
	}
	#else
	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
	struct spl_boot_device *bootdev,
	struct mmc *mmc)
	{
	return -ENOSYS;
	}
	#endif

	#ifndef CONFIG_SPL_OS_BOOT
	int spl_start_uboot(void)
	{
	return 1;
	}
	#endif

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

	__maybe_unused int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION;

	#if CONFIG_SYS_MMCSD_FS_BOOT_PARTITION == -1
	{
	struct disk_partition info;
	debug("Checking for the first MBR bootable partition\n");
	for (int 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;
	debug("Partition %d is of type %d and bootable=%d\n", type_part, info.sys_ind, info.bootable);
	if (info.bootable != 0) {
	debug("Partition %d is bootable, using it\n", type_part);
	partition = type_part;
	break;
	}
	}
	printf("Using first bootable partition: %d\n", partition);
	if (partition == CONFIG_SYS_MMCSD_FS_BOOT_PARTITION) {
	return -ENOSYS;
	}
	}
	#endif

	#ifdef CONFIG_SPL_FS_FAT
	if (!spl_start_uboot()) {
	err = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition);
	if (!err)
	return err;
	}
	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	err = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc),
	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, bootdev, mmc_get_blk_desc(mmc),
	partition);
	if (!err)
	return err;
	}
	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	err = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition,
	filename);
	if (!err)
	return err;
	#endif
	#endif

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

	return err;
	}
	#endif

	u32 __weak spl_mmc_boot_mode(struct mmc *mmc, 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
	int __weak spl_mmc_boot_partition(const u32 boot_device)
	{
	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
	}
	#endif

	unsigned long __weak arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
	unsigned long raw_sect)
	{
	return raw_sect;
	}

	unsigned long __weak board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
	unsigned long raw_sect)
	{
	return arch_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
	}

	unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
	unsigned long raw_sect)
	{
	return board_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
	}

	int default_spl_mmc_emmc_boot_partition(struct mmc *mmc)
	{
	int part;
	#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 = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
	if (part == 7)
	part = 0;
	#endif
	return part;
	}

	int __weak spl_mmc_emmc_boot_partition(struct mmc *mmc)
	{
	return default_spl_mmc_emmc_boot_partition(mmc);
	}

	static int spl_mmc_get_mmc_devnum(struct mmc *mmc)
	{
	struct blk_desc *block_dev;
	#if !CONFIG_IS_ENABLED(BLK)
	block_dev = &mmc->block_dev;
	#else
	block_dev = mmc_get_blk_desc(mmc);
	#endif
	return block_dev->devnum;
	}

	static struct mmc *mmc;

	void spl_mmc_clear_cache(void)
	{
	mmc = NULL;
	}

	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)
	{
	u32 boot_mode;
	int err = 0;
	__maybe_unused int part = 0;
	int mmc_dev;

	/* Perform peripheral init only once for an mmc device */
	mmc_dev = spl_mmc_get_device_index(bootdev->boot_device);
	if (!mmc \|\| spl_mmc_get_mmc_devnum(mmc) != mmc_dev) {
	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_mmc_boot_mode(mmc, bootdev->boot_device);
	err = -EINVAL;
	switch (boot_mode) {
	case MMCSD_MODE_EMMCBOOT:
	part = spl_mmc_emmc_boot_partition(mmc);

	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, bootdev, mmc);
	if (!err)
	return err;
	}

	raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);

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

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

	break;
	#endif
	#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_mmc_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);