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

/*
 * (C) Copyright 2010
 * Texas Instruments, <www.ti.com>
 *
 * Aneesh V <aneesh@ti.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#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>

DECLARE_GLOBAL_DATA_PTR;

static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
{
	unsigned long count;
	u32 image_size_sectors;
	struct image_header *header;

	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
					 sizeof(struct image_header));

	/* read image header to find the image size & load address */
	count = mmc->block_dev.block_read(&mmc->block_dev, sector, 1, header);
	debug("read sector %lx, count=%lu\n", sector, count);
	if (count == 0)
		goto end;

	if (image_get_magic(header) != IH_MAGIC) {
		puts("bad magic\n");
		return -1;
	}

	spl_parse_image_header(header);

	/* convert size to sectors - round up */
	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
			     mmc->read_bl_len;

	/* Read the header too to avoid extra memcpy */
	count = mmc->block_dev.block_read(&mmc->block_dev, sector,
					  image_size_sectors,
					  (void *)(ulong)spl_image.load_addr);
	debug("read %x sectors to %x\n", image_size_sectors,
	      spl_image.load_addr);

end:
	if (count == 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		puts("spl: mmc block read error\n");
#endif
		return -1;
	}

	return 0;
}

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)
{
#ifdef CONFIG_DM_MMC
	struct udevice *dev;
#endif
	int err, mmc_dev;

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

	err = mmc_initialize(NULL);
	if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		printf("spl: could not initialize mmc. error: %d\n", err);
#endif
		return err;
	}

#ifdef CONFIG_DM_MMC
	err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
	if (!err)
		*mmcp = mmc_get_mmc_dev(dev);
#else
	*mmcp = find_mmc_device(mmc_dev);
	err = *mmcp ? 0 : -ENODEV;
#endif
	if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		printf("spl: could not find mmc device. error: %d\n", err);
#endif
		return err;
	}

	return 0;
}

#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
{
	disk_partition_t info;
	int err;

	err = part_get_info(&mmc->block_dev, 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_SECTOR
	return mmc_load_image_raw_sector(mmc, info.start +
					 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
#else
	return mmc_load_image_raw_sector(mmc, info.start);
#endif
}
#else
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
{
	return -ENOSYS;
}
#endif

#ifdef CONFIG_SPL_OS_BOOT
static int mmc_load_image_raw_os(struct mmc *mmc)
{
	unsigned long count;

	count = mmc->block_dev.block_read(&mmc->block_dev,
		CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
		CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
		(void *) CONFIG_SYS_SPL_ARGS_ADDR);
	if (count == 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		puts("spl: mmc block read error\n");
#endif
		return -1;
	}

	return mmc_load_image_raw_sector(mmc,
		CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
}
#else
int spl_start_uboot(void)
{
	return 1;
}
static int mmc_load_image_raw_os(struct mmc *mmc)
{
	return -ENOSYS;
}
#endif

#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
int spl_mmc_do_fs_boot(struct mmc *mmc)
{
	int err = -ENOSYS;

#ifdef CONFIG_SPL_FAT_SUPPORT
	if (!spl_start_uboot()) {
		err = spl_load_image_fat_os(&mmc->block_dev,
			CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
		if (!err)
			return err;
	}
#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	err = spl_load_image_fat(&mmc->block_dev,
				 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
				 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	if (!err)
		return err;
#endif
#endif
#ifdef CONFIG_SPL_EXT_SUPPORT
	if (!spl_start_uboot()) {
		err = spl_load_image_ext_os(&mmc->block_dev,
			CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
		if (!err)
			return err;
	}
#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	err = spl_load_image_ext(&mmc->block_dev,
				 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
				 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	if (!err)
		return err;
#endif
#endif

#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
	err = -ENOENT;
#endif

	return err;
}
#else
int spl_mmc_do_fs_boot(struct mmc *mmc)
{
	return -ENOSYS;
}
#endif

int spl_mmc_load_image(u32 boot_device)
{
	struct mmc *mmc = NULL;
	u32 boot_mode;
	int err = 0;
	__maybe_unused int part;

	err = spl_mmc_find_device(&mmc, boot_device);
	if (err)
		return err;

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

	boot_mode = spl_boot_mode();
	err = -EINVAL;
	switch (boot_mode) {
	case MMCSD_MODE_EMMCBOOT:
			/*
			 * 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;

			err = mmc_switch_part(0, 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(mmc);
			if (!err)
				return err;
		}

		err = mmc_load_image_raw_partition(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
		if (!err)
			return err;
#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
		err = mmc_load_image_raw_sector(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
		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(mmc);
		if (!err)
			return err;

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

	return err;
}
Commit	Line	Data
9ea5c6ef SS	1	/*
	2	* (C) Copyright 2010
	3	* Texas Instruments, <www.ti.com>
	4	*
	5	* Aneesh V <aneesh@ti.com>
	6	*
1a459660	7	* SPDX-License-Identifier: GPL-2.0+
9ea5c6ef SS	8	*/
9ea5c6ef SS	9	#include <common.h>
dc3dedfe	10	#include <dm.h>
47f7bcae	11	#include <spl.h>
91199f4a	12	#include <linux/compiler.h>
36afd451	13	#include <errno.h>
9ea5c6ef	14	#include <asm/u-boot.h>
4188ba32	15	#include <errno.h>
9ea5c6ef	16	#include <mmc.h>
e4c444b3	17	#include <image.h>
9ea5c6ef SS	18
	19	DECLARE_GLOBAL_DATA_PTR;
	20
b97300b6	21	static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
9ea5c6ef	22	{
3bc37b6d	23	unsigned long count;
2e222105 PK	24	u32 image_size_sectors;
2e222105 PK	25	struct image_header *header;
9ea5c6ef SS	26
9ea5c6ef SS	27	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
91199f4a	28	sizeof(struct image_header));
9ea5c6ef SS	29
9ea5c6ef SS	30	/* read image header to find the image size & load address */
7c4213f6	31	count = mmc->block_dev.block_read(&mmc->block_dev, sector, 1, header);
fdfa39d3	32	debug("read sector %lx, count=%lu\n", sector, count);
3bc37b6d	33	if (count == 0)
9ea5c6ef SS	34	goto end;
9ea5c6ef SS	35
fdfa39d3 SG	36	if (image_get_magic(header) != IH_MAGIC) {
fdfa39d3 SG	37	puts("bad magic\n");
e4c444b3	38	return -1;
fdfa39d3	39	}
e4c444b3	40
9ea5c6ef SS	41	spl_parse_image_header(header);
	42
	43	/* convert size to sectors - round up */
f0881250	44	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
91199f4a	45	mmc->read_bl_len;
9ea5c6ef SS	46
9ea5c6ef SS	47	/* Read the header too to avoid extra memcpy */
7c4213f6 SW	48	count = mmc->block_dev.block_read(&mmc->block_dev, sector,
7c4213f6 SW	49	image_size_sectors,
7ef4c45c	50	(void *)(ulong)spl_image.load_addr);
fdfa39d3 SG	51	debug("read %x sectors to %x\n", image_size_sectors,
fdfa39d3 SG	52	spl_image.load_addr);
9ea5c6ef SS	53
9ea5c6ef SS	54	end:
1ec26469	55	if (count == 0) {
8112f5fa	56	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	57	puts("spl: mmc block read error\n");
8112f5fa	58	#endif
3bc37b6d	59	return -1;
1ec26469	60	}
3bc37b6d PK	61
3bc37b6d PK	62	return 0;
9ea5c6ef SS	63	}
9ea5c6ef SS	64
a1e56cf6 NK	65	int spl_mmc_get_device_index(u32 boot_device)
	66	{
	67	switch (boot_device) {
	68	case BOOT_DEVICE_MMC1:
	69	return 0;
	70	case BOOT_DEVICE_MMC2:
	71	case BOOT_DEVICE_MMC2_2:
	72	return 1;
	73	}
	74
	75	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	76	printf("spl: unsupported mmc boot device.\n");
	77	#endif
	78
	79	return -ENODEV;
	80	}
	81
99c7a51a	82	static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
4188ba32	83	{
b4857aa9	84	#ifdef CONFIG_DM_MMC
4188ba32	85	struct udevice *dev;
b4857aa9	86	#endif
a1e56cf6 NK	87	int err, mmc_dev;
	88
	89	mmc_dev = spl_mmc_get_device_index(boot_device);
	90	if (mmc_dev < 0)
	91	return mmc_dev;
4188ba32 NK	92
	93	err = mmc_initialize(NULL);
	94	if (err) {
	95	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	96	printf("spl: could not initialize mmc. error: %d\n", err);
	97	#endif
	98	return err;
	99	}
	100
b4857aa9	101	#ifdef CONFIG_DM_MMC
a1e56cf6	102	err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
b4857aa9 SG	103	if (!err)
b4857aa9 SG	104	*mmcp = mmc_get_mmc_dev(dev);
4188ba32	105	#else
b4857aa9 SG	106	*mmcp = find_mmc_device(mmc_dev);
	107	err = *mmcp ? 0 : -ENODEV;
	108	#endif
4188ba32 NK	109	if (err) {
4188ba32 NK	110	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
b4857aa9	111	printf("spl: could not find mmc device. error: %d\n", err);
4188ba32 NK	112	#endif
	113	return err;
	114	}
	115
4188ba32 NK	116	return 0;
4188ba32 NK	117	}
4188ba32	118
b97300b6 PK	119	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
	120	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	121	{
	122	disk_partition_t info;
3bc37b6d	123	int err;
b97300b6	124
3e8bd469	125	err = part_get_info(&mmc->block_dev, partition, &info);
3bc37b6d	126	if (err) {
b97300b6	127	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	128	puts("spl: partition error\n");
b97300b6 PK	129	#endif
	130	return -1;
	131	}
	132
4bfcc54c SR	133	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	134	return mmc_load_image_raw_sector(mmc, info.start +
	135	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
	136	#else
b97300b6	137	return mmc_load_image_raw_sector(mmc, info.start);
4bfcc54c	138	#endif
b97300b6	139	}
d074ebb9 NK	140	#else
	141	#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
	142	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	143	{
	144	return -ENOSYS;
	145	}
b97300b6 PK	146	#endif
b97300b6 PK	147
2b75b0ad PK	148	#ifdef CONFIG_SPL_OS_BOOT
	149	static int mmc_load_image_raw_os(struct mmc *mmc)
	150	{
3bc37b6d	151	unsigned long count;
91199f4a	152
7c4213f6	153	count = mmc->block_dev.block_read(&mmc->block_dev,
3bc37b6d PK	154	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
	155	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
	156	(void *) CONFIG_SYS_SPL_ARGS_ADDR);
	157	if (count == 0) {
8112f5fa	158	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	159	puts("spl: mmc block read error\n");
8112f5fa	160	#endif
2b75b0ad PK	161	return -1;
	162	}
	163
b97300b6	164	return mmc_load_image_raw_sector(mmc,
91199f4a	165	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
2b75b0ad	166	}
339245b7 NK	167	#else
	168	int spl_start_uboot(void)
	169	{
	170	return 1;
	171	}
	172	static int mmc_load_image_raw_os(struct mmc *mmc)
	173	{
	174	return -ENOSYS;
	175	}
2b75b0ad PK	176	#endif
2b75b0ad PK	177
f52b7293 NK	178	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
	179	int spl_mmc_do_fs_boot(struct mmc *mmc)
	180	{
	181	int err = -ENOSYS;
	182
	183	#ifdef CONFIG_SPL_FAT_SUPPORT
	184	if (!spl_start_uboot()) {
	185	err = spl_load_image_fat_os(&mmc->block_dev,
	186	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	187	if (!err)
	188	return err;
	189	}
	190	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	191	err = spl_load_image_fat(&mmc->block_dev,
	192	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	193	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	194	if (!err)
	195	return err;
	196	#endif
	197	#endif
	198	#ifdef CONFIG_SPL_EXT_SUPPORT
	199	if (!spl_start_uboot()) {
	200	err = spl_load_image_ext_os(&mmc->block_dev,
	201	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	202	if (!err)
	203	return err;
	204	}
	205	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	206	err = spl_load_image_ext(&mmc->block_dev,
	207	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	208	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	209	if (!err)
	210	return err;
	211	#endif
	212	#endif
	213
	214	#if defined(CONFIG_SPL_FAT_SUPPORT) \|\| defined(CONFIG_SPL_EXT_SUPPORT)
	215	err = -ENOENT;
	216	#endif
	217
	218	return err;
	219	}
	220	#else
	221	int spl_mmc_do_fs_boot(struct mmc *mmc)
	222	{
	223	return -ENOSYS;
	224	}
	225	#endif
	226
a1e56cf6	227	int spl_mmc_load_image(u32 boot_device)
9ea5c6ef	228	{
d773a008	229	struct mmc *mmc = NULL;
9ea5c6ef	230	u32 boot_mode;
dc3dedfe	231	int err = 0;
91199f4a	232	__maybe_unused int part;
9ea5c6ef	233
a1e56cf6	234	err = spl_mmc_find_device(&mmc, boot_device);
36afd451 NK	235	if (err)
36afd451 NK	236	return err;
9ea5c6ef	237
4188ba32	238	err = mmc_init(mmc);
9ea5c6ef	239	if (err) {
8112f5fa	240	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	241	printf("spl: mmc init failed with error: %d\n", err);
8112f5fa	242	#endif
36afd451	243	return err;
9ea5c6ef	244	}
79adb7a2	245
37189a19	246	boot_mode = spl_boot_mode();
36afd451	247	err = -EINVAL;
91199f4a	248	switch (boot_mode) {
83cdf6fa NK	249	case MMCSD_MODE_EMMCBOOT:
	250	/*
	251	* We need to check what the partition is configured to.
	252	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	253	* which is the first physical partition (0).
	254	*/
	255	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
	256
	257	if (part == 7)
	258	part = 0;
	259
36afd451 NK	260	err = mmc_switch_part(0, part);
36afd451 NK	261	if (err) {
83cdf6fa NK	262	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	263	puts("spl: mmc partition switch failed\n");
	264	#endif
36afd451	265	return err;
83cdf6fa NK	266	}
83cdf6fa NK	267	/* Fall through */
91199f4a PK	268	case MMCSD_MODE_RAW:
	269	debug("spl: mmc boot mode: raw\n");
	270
91199f4a PK	271	if (!spl_start_uboot()) {
	272	err = mmc_load_image_raw_os(mmc);
	273	if (!err)
36afd451	274	return err;
91199f4a	275	}
d074ebb9	276
b97300b6 PK	277	err = mmc_load_image_raw_partition(mmc,
b97300b6 PK	278	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8	279	if (!err)
36afd451	280	return err;
d074ebb9	281	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	282	err = mmc_load_image_raw_sector(mmc,
773b5940	283	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a	284	if (!err)
36afd451	285	return err;
3ae8f4c8	286	#endif
86a0df73	287	/* If RAW mode fails, try FS mode. */
91199f4a PK	288	case MMCSD_MODE_FS:
	289	debug("spl: mmc boot mode: fs\n");
	290
f52b7293	291	err = spl_mmc_do_fs_boot(mmc);
91199f4a	292	if (!err)
36afd451	293	return err;
f52b7293	294
fd61d399	295	break;
91199f4a	296	case MMCSD_MODE_UNDEFINED:
8112f5fa	297	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
fd61d399 NK	298	default:
fd61d399 NK	299	puts("spl: mmc: wrong boot mode\n");
8112f5fa	300	#endif
91199f4a	301	}
fd61d399	302
36afd451	303	return err;
9ea5c6ef	304	}