common/spl/spl_mmc.c - filogic/uboot - Gitiles

 // 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;

 	spl_load_init(&load, h_spl_load_read, bd, bd->blksz);
 	ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);
 	if (ret) {
 		puts("mmc_load_image_raw_sector: mmc block read error\n");
 		log_debug("(error=%d)\n", ret);
 		return ret;
 	}

 	return 0;
 }

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

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

 	return -ENODEV;
 }

 static int spl_mmc_find_device(struct mmc **mmcp, int mmc_dev)
 {
 	int ret;

 #if CONFIG_IS_ENABLED(DM_MMC)
 	struct udevice *dev;
 	struct uclass *uc;

 	log_debug("Selecting MMC dev %d; seqs:\n", mmc_dev);
 	uclass_id_foreach_dev(UCLASS_MMC, dev, uc)
 		log_debug("%d: %s\n", dev_seq(dev), dev->name);
 	ret = mmc_init_device(mmc_dev);
 #else
 	ret = mmc_initialize(NULL);
 #endif /* DM_MMC */
 	if (ret) {
 		printf("spl: could not initialize mmc. error: %d\n", ret);
 		return ret;
 	}
 	*mmcp = find_mmc_device(mmc_dev);
 	ret = *mmcp ? 0 : -ENODEV;
 	if (ret) {
 		printf("spl: could not find mmc device %d. error: %d\n",
 		       mmc_dev, ret);
 		return ret;
 	}
 #if CONFIG_IS_ENABLED(DM_MMC)
 	log_debug("mmc %d: %s\n", mmc_dev, (*mmcp)->dev->name);
 #endif

 	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 ret;

 #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++) {
 		ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
 		if (ret)
 			continue;
 		if (info.sys_ind ==
 			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
 			partition = type_part;
 			break;
 		}
 	}
 #endif

 	ret = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
 	if (ret) {
 		puts("spl: partition error\n");
 		return ret;
 	}

 #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) {
 		puts("mmc_load_image_raw_os: mmc block read error\n");
 		return -EIO;
 	}
 #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 ret = -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++) {
 			ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
 			if (ret)
 				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()) {
 		ret = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc),
 					    partition);
 		if (!ret)
 			return 0;
 	}
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
 	ret = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc),
 				 partition,
 				 filename);
 	if (!ret)
 		return ret;
 #endif
 #endif
 #ifdef CONFIG_SPL_FS_EXT4
 	if (!spl_start_uboot()) {
 		ret = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc),
 					    partition);
 		if (!ret)
 			return 0;
 	}
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
 	ret = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc),
 				 partition,
 				 filename);
 	if (!ret)
 		return 0;
 #endif
 #endif

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

 	return ret;
 }
 #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 == EMMC_BOOT_PART_USER)
 		part = EMMC_HWPART_DEFAULT;
 #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 ret = 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);
 	log_debug("boot_device=%d, mmc_dev=%d\n", bootdev->boot_device,
 		  mmc_dev);
 	if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) {
 		ret = spl_mmc_find_device(&mmc, mmc_dev);
 		if (ret)
 			return ret;

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

 	boot_mode = spl_mmc_boot_mode(mmc, bootdev->boot_device);
 	ret = -EINVAL;
 	switch (boot_mode) {
 	case MMCSD_MODE_EMMCBOOT:
 		part = spl_mmc_emmc_boot_partition(mmc);

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

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

 		if (!spl_start_uboot()) {
 			ret = mmc_load_image_raw_os(spl_image, bootdev, mmc);
 			if (!ret)
 				return 0;
 		}

 		raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);

 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
 		ret = mmc_load_image_raw_partition(spl_image, bootdev,
 						   mmc, raw_part,
 						   raw_sect);
 		if (!ret)
 			return 0;
 #endif
 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
 		ret = mmc_load_image_raw_sector(spl_image, bootdev, mmc,
 						raw_sect +
 						spl_mmc_raw_uboot_offset(part));
 		if (!ret)
 			return 0;
 #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");

 		ret = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename);
 		if (!ret)
 			return 0;

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

 	return ret;
 }

 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;

	spl_load_init(&load, h_spl_load_read, bd, bd->blksz);
	ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);
	if (ret) {
	puts("mmc_load_image_raw_sector: mmc block read error\n");
	log_debug("(error=%d)\n", ret);
	return ret;
	}

	return 0;
	}

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

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

	return -ENODEV;
	}

	static int spl_mmc_find_device(struct mmc **mmcp, int mmc_dev)
	{
	int ret;

	#if CONFIG_IS_ENABLED(DM_MMC)
	struct udevice *dev;
	struct uclass *uc;

	log_debug("Selecting MMC dev %d; seqs:\n", mmc_dev);
	uclass_id_foreach_dev(UCLASS_MMC, dev, uc)
	log_debug("%d: %s\n", dev_seq(dev), dev->name);
	ret = mmc_init_device(mmc_dev);
	#else
	ret = mmc_initialize(NULL);
	#endif /* DM_MMC */
	if (ret) {
	printf("spl: could not initialize mmc. error: %d\n", ret);
	return ret;
	}
	*mmcp = find_mmc_device(mmc_dev);
	ret = *mmcp ? 0 : -ENODEV;
	if (ret) {
	printf("spl: could not find mmc device %d. error: %d\n",
	mmc_dev, ret);
	return ret;
	}
	#if CONFIG_IS_ENABLED(DM_MMC)
	log_debug("mmc %d: %s\n", mmc_dev, (*mmcp)->dev->name);
	#endif

	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 ret;

	#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++) {
	ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
	if (ret)
	continue;
	if (info.sys_ind ==
	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
	partition = type_part;
	break;
	}
	}
	#endif

	ret = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
	if (ret) {
	puts("spl: partition error\n");
	return ret;
	}

	#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) {
	puts("mmc_load_image_raw_os: mmc block read error\n");
	return -EIO;
	}
	#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 ret = -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++) {
	ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
	if (ret)
	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()) {
	ret = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition);
	if (!ret)
	return 0;
	}
	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	ret = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition,
	filename);
	if (!ret)
	return ret;
	#endif
	#endif
	#ifdef CONFIG_SPL_FS_EXT4
	if (!spl_start_uboot()) {
	ret = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition);
	if (!ret)
	return 0;
	}
	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	ret = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc),
	partition,
	filename);
	if (!ret)
	return 0;
	#endif
	#endif

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

	return ret;
	}
	#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 == EMMC_BOOT_PART_USER)
	part = EMMC_HWPART_DEFAULT;
	#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 ret = 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);
	log_debug("boot_device=%d, mmc_dev=%d\n", bootdev->boot_device,
	mmc_dev);
	if (!mmc \|\| spl_mmc_get_mmc_devnum(mmc) != mmc_dev) {
	ret = spl_mmc_find_device(&mmc, mmc_dev);
	if (ret)
	return ret;

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

	boot_mode = spl_mmc_boot_mode(mmc, bootdev->boot_device);
	ret = -EINVAL;
	switch (boot_mode) {
	case MMCSD_MODE_EMMCBOOT:
	part = spl_mmc_emmc_boot_partition(mmc);

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

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

	if (!spl_start_uboot()) {
	ret = mmc_load_image_raw_os(spl_image, bootdev, mmc);
	if (!ret)
	return 0;
	}

	raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);

	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
	ret = mmc_load_image_raw_partition(spl_image, bootdev,
	mmc, raw_part,
	raw_sect);
	if (!ret)
	return 0;
	#endif
	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
	ret = mmc_load_image_raw_sector(spl_image, bootdev, mmc,
	raw_sect +
	spl_mmc_raw_uboot_offset(part));
	if (!ret)
	return 0;
	#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");

	ret = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename);
	if (!ret)
	return 0;

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

	return ret;
	}

	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);