[thirdparty/u-boot.git] / common / spl / spl_mmc.c

// 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 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 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_mmc_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,
						  unsigned long raw_sect)
{
	return raw_sect;
}

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 = 0;

	/* 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_mmc_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, raw_sect);

#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 + spl_mmc_raw_uboot_offset(part));
		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);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
9ea5c6ef SS	2	/*
	3	* (C) Copyright 2010
	4	* Texas Instruments, <www.ti.com>
	5	*
	6	* Aneesh V <aneesh@ti.com>
9ea5c6ef SS	7	*/
9ea5c6ef SS	8	#include <common.h>
dc3dedfe	9	#include <dm.h>
47f7bcae	10	#include <spl.h>
91199f4a	11	#include <linux/compiler.h>
36afd451	12	#include <errno.h>
9ea5c6ef	13	#include <asm/u-boot.h>
4188ba32	14	#include <errno.h>
9ea5c6ef	15	#include <mmc.h>
e4c444b3	16	#include <image.h>
9ea5c6ef	17
2a2ee2ac SG	18	static int mmc_load_legacy(struct spl_image_info spl_image, struct mmc mmc,
2a2ee2ac SG	19	ulong sector, struct image_header *header)
96debd1f SG	20	{
	21	u32 image_size_sectors;
	22	unsigned long count;
7e0f2267 MV	23	int ret;
7e0f2267 MV	24
2a2ee2ac	25	ret = spl_parse_image_header(spl_image, header);
7e0f2267 MV	26	if (ret)
7e0f2267 MV	27	return ret;
96debd1f	28
96debd1f	29	/* convert size to sectors - round up */
2a2ee2ac	30	image_size_sectors = (spl_image->size + mmc->read_bl_len - 1) /
96debd1f SG	31	mmc->read_bl_len;
	32
	33	/* Read the header too to avoid extra memcpy */
ef5609c3	34	count = blk_dread(mmc_get_blk_desc(mmc), sector, image_size_sectors,
2a2ee2ac	35	(void *)(ulong)spl_image->load_addr);
11e1479b	36	debug("read %x sectors to %lx\n", image_size_sectors,
2a2ee2ac	37	spl_image->load_addr);
96debd1f SG	38	if (count != image_size_sectors)
	39	return -EIO;
	40
	41	return 0;
	42	}
	43
96debd1f SG	44	static ulong h_spl_load_read(struct spl_load_info *load, ulong sector,
	45	ulong count, void *buf)
	46	{
	47	struct mmc *mmc = load->dev;
	48
ef5609c3	49	return blk_dread(mmc_get_blk_desc(mmc), sector, count, buf);
96debd1f	50	}
96debd1f	51
e42afd84 BS	52	static __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part)
	53	{
	54	#if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR)
	55	if (part == 0)
	56	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET;
	57	#endif
	58
	59	return 0;
	60	}
	61
b016b585 SWK	62	static __maybe_unused
	63	int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
	64	struct mmc *mmc, unsigned long sector)
9ea5c6ef	65	{
3bc37b6d	66	unsigned long count;
2e222105	67	struct image_header *header;
04ce5427	68	struct blk_desc *bd = mmc_get_blk_desc(mmc);
96debd1f	69	int ret = 0;
9ea5c6ef	70
04ce5427	71	header = spl_get_load_buffer(-sizeof(*header), bd->blksz);
9ea5c6ef SS	72
9ea5c6ef SS	73	/* read image header to find the image size & load address */
04ce5427	74	count = blk_dread(bd, sector, 1, header);
96debd1f SG	75	debug("hdr read sector %lx, count=%lu\n", sector, count);
	76	if (count == 0) {
	77	ret = -EIO;
9ea5c6ef	78	goto end;
96debd1f	79	}
9ea5c6ef	80
4976f482 MY	81	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
4976f482 MY	82	image_get_magic(header) == FDT_MAGIC) {
96debd1f SG	83	struct spl_load_info load;
	84
	85	debug("Found FIT\n");
	86	load.dev = mmc;
	87	load.priv = NULL;
eafd5410	88	load.filename = NULL;
96debd1f SG	89	load.bl_len = mmc->read_bl_len;
96debd1f SG	90	load.read = h_spl_load_read;
f4d7d859	91	ret = spl_load_simple_fit(spl_image, &load, sector, header);
dd7d0911 PF	92	} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
	93	struct spl_load_info load;
	94
	95	load.dev = mmc;
	96	load.priv = NULL;
	97	load.filename = NULL;
	98	load.bl_len = mmc->read_bl_len;
	99	load.read = h_spl_load_read;
	100
	101	ret = spl_load_imx_container(spl_image, &load, sector);
4976f482	102	} else {
2a2ee2ac	103	ret = mmc_load_legacy(spl_image, mmc, sector, header);
fdfa39d3	104	}
e4c444b3	105
9ea5c6ef	106	end:
96debd1f	107	if (ret) {
8112f5fa	108	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
5bbf4099	109	puts("mmc_load_image_raw_sector: mmc block read error\n");
8112f5fa	110	#endif
3bc37b6d	111	return -1;
1ec26469	112	}
3bc37b6d PK	113
3bc37b6d PK	114	return 0;
9ea5c6ef SS	115	}
9ea5c6ef SS	116
207d8b35	117	static int spl_mmc_get_device_index(u32 boot_device)
a1e56cf6 NK	118	{
	119	switch (boot_device) {
	120	case BOOT_DEVICE_MMC1:
	121	return 0;
	122	case BOOT_DEVICE_MMC2:
	123	case BOOT_DEVICE_MMC2_2:
	124	return 1;
	125	}
	126
	127	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	128	printf("spl: unsupported mmc boot device.\n");
	129	#endif
	130
	131	return -ENODEV;
	132	}
	133
99c7a51a	134	static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
4188ba32	135	{
a1e56cf6 NK	136	int err, mmc_dev;
	137
	138	mmc_dev = spl_mmc_get_device_index(boot_device);
	139	if (mmc_dev < 0)
	140	return mmc_dev;
4188ba32	141
80f02019 LV	142	#if CONFIG_IS_ENABLED(DM_MMC)
	143	err = mmc_init_device(mmc_dev);
	144	#else
4188ba32	145	err = mmc_initialize(NULL);
80f02019	146	#endif /* DM_MMC */
4188ba32 NK	147	if (err) {
	148	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	149	printf("spl: could not initialize mmc. error: %d\n", err);
	150	#endif
	151	return err;
	152	}
b4857aa9 SG	153	*mmcp = find_mmc_device(mmc_dev);
b4857aa9 SG	154	err = *mmcp ? 0 : -ENODEV;
4188ba32 NK	155	if (err) {
4188ba32 NK	156	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
aa608b6c AK	157	printf("spl: could not find mmc device %d. error: %d\n",
aa608b6c AK	158	mmc_dev, err);
4188ba32 NK	159	#endif
	160	return err;
	161	}
	162
4188ba32 NK	163	return 0;
4188ba32 NK	164	}
4188ba32	165
949123e3	166	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
2a2ee2ac	167	static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,
e1eb6ada AD	168	struct mmc *mmc, int partition,
e1eb6ada AD	169	unsigned long sector)
b97300b6 PK	170	{
b97300b6 PK	171	disk_partition_t info;
3bc37b6d	172	int err;
b97300b6	173
f0fb4fa7 DW	174	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
	175	int type_part;
	176	/* Only support MBR so DOS_ENTRY_NUMBERS */
	177	for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) {
	178	err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
	179	if (err)
	180	continue;
	181	if (info.sys_ind ==
	182	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
	183	partition = type_part;
	184	break;
	185	}
	186	}
	187	#endif
	188
1e2b3ef8	189	err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
3bc37b6d	190	if (err) {
b97300b6	191	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	192	puts("spl: partition error\n");
b97300b6 PK	193	#endif
	194	return -1;
	195	}
	196
38fed8ab	197	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
e1eb6ada	198	return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);
4bfcc54c	199	#else
2a2ee2ac	200	return mmc_load_image_raw_sector(spl_image, mmc, info.start);
4bfcc54c	201	#endif
b97300b6 PK	202	}
	203	#endif
	204
2b75b0ad	205	#ifdef CONFIG_SPL_OS_BOOT
2a2ee2ac SG	206	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
2a2ee2ac SG	207	struct mmc *mmc)
2b75b0ad	208	{
811906ae	209	int ret;
91199f4a	210
7267fbf7 YS	211	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)
	212	unsigned long count;
	213
87bce4e5	214	count = blk_dread(mmc_get_blk_desc(mmc),
3bc37b6d PK	215	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
	216	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
	217	(void *) CONFIG_SYS_SPL_ARGS_ADDR);
9585dd3f	218	if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) {
8112f5fa	219	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
5bbf4099	220	puts("mmc_load_image_raw_os: mmc block read error\n");
8112f5fa	221	#endif
2b75b0ad PK	222	return -1;
2b75b0ad PK	223	}
7267fbf7	224	#endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */
2b75b0ad	225
2a2ee2ac	226	ret = mmc_load_image_raw_sector(spl_image, mmc,
91199f4a	227	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
811906ae LV	228	if (ret)
	229	return ret;
	230
2a2ee2ac	231	if (spl_image->os != IH_OS_LINUX) {
811906ae LV	232	puts("Expected Linux image is not found. Trying to start U-boot\n");
	233	return -ENOENT;
	234	}
	235
	236	return 0;
2b75b0ad	237	}
339245b7 NK	238	#else
	239	int spl_start_uboot(void)
	240	{
	241	return 1;
	242	}
2a2ee2ac SG	243	static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
2a2ee2ac SG	244	struct mmc *mmc)
339245b7 NK	245	{
	246	return -ENOSYS;
	247	}
2b75b0ad PK	248	#endif
2b75b0ad PK	249
f52b7293	250	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
e1eb6ada AD	251	static int spl_mmc_do_fs_boot(struct spl_image_info spl_image, struct mmc mmc,
e1eb6ada AD	252	const char *filename)
f52b7293 NK	253	{
	254	int err = -ENOSYS;
	255
0c3a9ed4	256	#ifdef CONFIG_SPL_FS_FAT
f52b7293	257	if (!spl_start_uboot()) {
710e9ca5	258	err = spl_load_image_fat_os(spl_image, mmc_get_blk_desc(mmc),
f52b7293 NK	259	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	260	if (!err)
	261	return err;
	262	}
	263	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
710e9ca5	264	err = spl_load_image_fat(spl_image, mmc_get_blk_desc(mmc),
f52b7293	265	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
e1eb6ada	266	filename);
f52b7293 NK	267	if (!err)
	268	return err;
	269	#endif
	270	#endif
f4b40924	271	#ifdef CONFIG_SPL_FS_EXT4
f52b7293	272	if (!spl_start_uboot()) {
1a92541d	273	err = spl_load_image_ext_os(spl_image, mmc_get_blk_desc(mmc),
f52b7293 NK	274	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	275	if (!err)
	276	return err;
	277	}
	278	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
1a92541d	279	err = spl_load_image_ext(spl_image, mmc_get_blk_desc(mmc),
f52b7293	280	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
e1eb6ada	281	filename);
f52b7293 NK	282	if (!err)
	283	return err;
	284	#endif
	285	#endif
	286
f4b40924	287	#if defined(CONFIG_SPL_FS_FAT) \|\| defined(CONFIG_SPL_FS_EXT4)
f52b7293 NK	288	err = -ENOENT;
	289	#endif
	290
	291	return err;
	292	}
	293	#else
e1eb6ada AD	294	static int spl_mmc_do_fs_boot(struct spl_image_info spl_image, struct mmc mmc,
e1eb6ada AD	295	const char *filename)
f52b7293 NK	296	{
	297	return -ENOSYS;
	298	}
	299	#endif
	300
e9759065	301	u32 __weak spl_mmc_boot_mode(const u32 boot_device)
d695d662	302	{
f4b40924	303	#if defined(CONFIG_SPL_FS_FAT) \|\| defined(CONFIG_SPL_FS_EXT4)
d695d662 LM	304	return MMCSD_MODE_FS;
	305	#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
	306	return MMCSD_MODE_EMMCBOOT;
	307	#else
	308	return MMCSD_MODE_RAW;
	309	#endif
	310	}
	311
35a66960 PD	312	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
	313	__weak
	314	int spl_boot_partition(const u32 boot_device)
	315	{
	316	return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
	317	}
	318	#endif
	319
cf008255 FA	320	unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
cf008255 FA	321	unsigned long raw_sect)
30ecc9c3	322	{
cf008255	323	return raw_sect;
30ecc9c3 PF	324	}
30ecc9c3 PF	325
e1eb6ada AD	326	int spl_mmc_load(struct spl_image_info *spl_image,
	327	struct spl_boot_device *bootdev,
	328	const char *filename,
	329	int raw_part,
	330	unsigned long raw_sect)
9ea5c6ef	331	{
e1eb6ada	332	static struct mmc *mmc;
9ea5c6ef	333	u32 boot_mode;
dc3dedfe	334	int err = 0;
e42afd84	335	__maybe_unused int part = 0;
9ea5c6ef	336
e1eb6ada AD	337	/* Perform peripheral init only once */
	338	if (!mmc) {
	339	err = spl_mmc_find_device(&mmc, bootdev->boot_device);
	340	if (err)
	341	return err;
9ea5c6ef	342
e1eb6ada AD	343	err = mmc_init(mmc);
	344	if (err) {
	345	mmc = NULL;
8112f5fa	346	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
e1eb6ada	347	printf("spl: mmc init failed with error: %d\n", err);
8112f5fa	348	#endif
e1eb6ada AD	349	return err;
e1eb6ada AD	350	}
9ea5c6ef	351	}
79adb7a2	352
e9759065	353	boot_mode = spl_mmc_boot_mode(bootdev->boot_device);
36afd451	354	err = -EINVAL;
91199f4a	355	switch (boot_mode) {
83cdf6fa	356	case MMCSD_MODE_EMMCBOOT:
17241ea0 MR	357	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
	358	part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION;
	359	#else
9243990b MR	360	/*
	361	* We need to check what the partition is configured to.
	362	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	363	* which is the first physical partition (0).
	364	*/
	365	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
	366
	367	if (part == 7)
	368	part = 0;
17241ea0	369	#endif
9243990b MR	370
	371	if (CONFIG_IS_ENABLED(MMC_TINY))
	372	err = mmc_switch_part(mmc, part);
	373	else
	374	err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
	375
	376	if (err) {
83cdf6fa	377	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
9243990b	378	puts("spl: mmc partition switch failed\n");
83cdf6fa	379	#endif
9243990b MR	380	return err;
	381	}
	382	/* Fall through */
91199f4a PK	383	case MMCSD_MODE_RAW:
	384	debug("spl: mmc boot mode: raw\n");
	385
91199f4a	386	if (!spl_start_uboot()) {
2a2ee2ac	387	err = mmc_load_image_raw_os(spl_image, mmc);
91199f4a	388	if (!err)
36afd451	389	return err;
91199f4a	390	}
a335f805	391
cf008255	392	raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
a335f805	393
949123e3	394	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
e1eb6ada AD	395	err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,
e1eb6ada AD	396	raw_sect);
3ae8f4c8	397	if (!err)
36afd451	398	return err;
949123e3	399	#endif
38fed8ab	400	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
e42afd84 BS	401	err = mmc_load_image_raw_sector(spl_image, mmc,
e42afd84 BS	402	raw_sect + spl_mmc_raw_uboot_offset(part));
91199f4a	403	if (!err)
36afd451	404	return err;
3ae8f4c8	405	#endif
86a0df73	406	/* If RAW mode fails, try FS mode. */
91199f4a PK	407	case MMCSD_MODE_FS:
	408	debug("spl: mmc boot mode: fs\n");
	409
e1eb6ada	410	err = spl_mmc_do_fs_boot(spl_image, mmc, filename);
91199f4a	411	if (!err)
36afd451	412	return err;
f52b7293	413
fd61d399	414	break;
8112f5fa	415	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
fd61d399 NK	416	default:
fd61d399 NK	417	puts("spl: mmc: wrong boot mode\n");
8112f5fa	418	#endif
91199f4a	419	}
fd61d399	420
36afd451	421	return err;
9ea5c6ef	422	}
0fed9c7e	423
e1eb6ada AD	424	int spl_mmc_load_image(struct spl_image_info *spl_image,
	425	struct spl_boot_device *bootdev)
	426	{
	427	return spl_mmc_load(spl_image, bootdev,
	428	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	429	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
	430	#else
	431	NULL,
	432	#endif
	433	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
	434	spl_boot_partition(bootdev->boot_device),
	435	#else
	436	0,
	437	#endif
	438	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	439	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
	440	#else
	441	0);
	442	#endif
	443	}
	444
ebc4ef61 SG	445	SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image);
	446	SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image);
	447	SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);