[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 <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(0, 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(0, 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;
}

#ifdef CONFIG_DM_MMC
static int spl_mmc_find_device(struct mmc **mmc)
{
	struct udevice *dev;
	int err;

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

	err = uclass_get_device(UCLASS_MMC, 0, &dev);
	if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		printf("spl: could not find mmc device. error: %d\n", err);
#endif
		return err;
	}

	*mmc = NULL;
	*mmc = mmc_get_mmc_dev(dev);
	return *mmc != NULL ? 0 : -ENODEV;
}
#else
static int spl_mmc_find_device(struct mmc **mmc)
{
	int err;

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

	/* We register only one device. So, the dev id is always 0 */
	*mmc = find_mmc_device(0);
	if (!*mmc) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
		puts("spl: mmc device not found\n");
#endif
		return -ENODEV;
	}

	return 0;
}
#endif

#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 = get_partition_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
}
#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(0,
		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);
}
#endif

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

	if (spl_mmc_find_device(&mmc))
		hang();

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

	boot_mode = spl_boot_mode();
	switch (boot_mode) {
	case MMCSD_MODE_RAW:
		debug("spl: mmc boot mode: raw\n");

#ifdef CONFIG_SPL_OS_BOOT
		if (!spl_start_uboot()) {
			err = mmc_load_image_raw_os(mmc);
			if (!err)
				return;
		}
#endif
#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
		err = mmc_load_image_raw_partition(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
		if (!err)
			return;
#elif 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;
#endif
		break;
	case MMCSD_MODE_FS:
		debug("spl: mmc boot mode: fs\n");

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

		if (mmc_switch_part(0, part)) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
			puts("spl: mmc partition switch failed\n");
#endif
			hang();
		}

#ifdef CONFIG_SPL_OS_BOOT
		if (!spl_start_uboot()) {
			err = mmc_load_image_raw_os(mmc);
			if (!err)
				return;
		}
#endif
#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
		err = mmc_load_image_raw_partition(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
		if (!err)
			return;
#elif 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;
#endif
		break;
#endif
	case MMCSD_MODE_UNDEFINED:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	default:
		puts("spl: mmc: wrong boot mode\n");
#endif
	}

	hang();
}
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>
9ea5c6ef	13	#include <asm/u-boot.h>
4188ba32	14	#include <errno.h>
9ea5c6ef	15	#include <mmc.h>
e4c444b3	16	#include <image.h>
9ea5c6ef SS	17
	18	DECLARE_GLOBAL_DATA_PTR;
	19
b97300b6	20	static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
9ea5c6ef	21	{
3bc37b6d	22	unsigned long count;
2e222105 PK	23	u32 image_size_sectors;
2e222105 PK	24	struct image_header *header;
9ea5c6ef SS	25
9ea5c6ef SS	26	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
91199f4a	27	sizeof(struct image_header));
9ea5c6ef SS	28
9ea5c6ef SS	29	/* read image header to find the image size & load address */
3bc37b6d	30	count = mmc->block_dev.block_read(0, sector, 1, header);
fdfa39d3	31	debug("read sector %lx, count=%lu\n", sector, count);
3bc37b6d	32	if (count == 0)
9ea5c6ef SS	33	goto end;
9ea5c6ef SS	34
fdfa39d3 SG	35	if (image_get_magic(header) != IH_MAGIC) {
fdfa39d3 SG	36	puts("bad magic\n");
e4c444b3	37	return -1;
fdfa39d3	38	}
e4c444b3	39
9ea5c6ef SS	40	spl_parse_image_header(header);
	41
	42	/* convert size to sectors - round up */
f0881250	43	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
91199f4a	44	mmc->read_bl_len;
9ea5c6ef SS	45
9ea5c6ef SS	46	/* Read the header too to avoid extra memcpy */
3bc37b6d	47	count = mmc->block_dev.block_read(0, sector, image_size_sectors,
7ef4c45c	48	(void *)(ulong)spl_image.load_addr);
fdfa39d3 SG	49	debug("read %x sectors to %x\n", image_size_sectors,
fdfa39d3 SG	50	spl_image.load_addr);
9ea5c6ef SS	51
9ea5c6ef SS	52	end:
1ec26469	53	if (count == 0) {
8112f5fa	54	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	55	puts("spl: mmc block read error\n");
8112f5fa	56	#endif
3bc37b6d	57	return -1;
1ec26469	58	}
3bc37b6d PK	59
3bc37b6d PK	60	return 0;
9ea5c6ef SS	61	}
9ea5c6ef SS	62
4188ba32 NK	63	#ifdef CONFIG_DM_MMC
	64	static int spl_mmc_find_device(struct mmc **mmc)
	65	{
	66	struct udevice *dev;
	67	int err;
	68
	69	err = mmc_initialize(NULL);
	70	if (err) {
	71	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	72	printf("spl: could not initialize mmc. error: %d\n", err);
	73	#endif
	74	return err;
	75	}
	76
	77	err = uclass_get_device(UCLASS_MMC, 0, &dev);
	78	if (err) {
	79	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	80	printf("spl: could not find mmc device. error: %d\n", err);
	81	#endif
	82	return err;
	83	}
	84
	85	*mmc = NULL;
	86	*mmc = mmc_get_mmc_dev(dev);
	87	return *mmc != NULL ? 0 : -ENODEV;
	88	}
	89	#else
	90	static int spl_mmc_find_device(struct mmc **mmc)
	91	{
	92	int err;
	93
	94	err = mmc_initialize(gd->bd);
	95	if (err) {
	96	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	97	printf("spl: could not initialize mmc. error: %d\n", err);
	98	#endif
	99	return err;
	100	}
	101
	102	/* We register only one device. So, the dev id is always 0 */
	103	*mmc = find_mmc_device(0);
	104	if (!*mmc) {
	105	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	106	puts("spl: mmc device not found\n");
	107	#endif
	108	return -ENODEV;
	109	}
	110
	111	return 0;
	112	}
	113	#endif
	114
b97300b6 PK	115	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
	116	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	117	{
	118	disk_partition_t info;
3bc37b6d	119	int err;
b97300b6	120
3bc37b6d PK	121	err = get_partition_info(&mmc->block_dev, partition, &info);
3bc37b6d PK	122	if (err) {
b97300b6	123	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	124	puts("spl: partition error\n");
b97300b6 PK	125	#endif
	126	return -1;
	127	}
	128
4bfcc54c SR	129	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	130	return mmc_load_image_raw_sector(mmc, info.start +
	131	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
	132	#else
b97300b6	133	return mmc_load_image_raw_sector(mmc, info.start);
4bfcc54c	134	#endif
b97300b6 PK	135	}
	136	#endif
	137
2b75b0ad PK	138	#ifdef CONFIG_SPL_OS_BOOT
	139	static int mmc_load_image_raw_os(struct mmc *mmc)
	140	{
3bc37b6d	141	unsigned long count;
91199f4a	142
3bc37b6d PK	143	count = mmc->block_dev.block_read(0,
	144	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
	145	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
	146	(void *) CONFIG_SYS_SPL_ARGS_ADDR);
	147	if (count == 0) {
8112f5fa	148	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	149	puts("spl: mmc block read error\n");
8112f5fa	150	#endif
2b75b0ad PK	151	return -1;
	152	}
	153
b97300b6	154	return mmc_load_image_raw_sector(mmc,
91199f4a	155	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
2b75b0ad PK	156	}
	157	#endif
	158
9ea5c6ef SS	159	void spl_mmc_load_image(void)
	160	{
	161	struct mmc *mmc;
9ea5c6ef	162	u32 boot_mode;
dc3dedfe	163	int err = 0;
91199f4a	164	__maybe_unused int part;
9ea5c6ef	165
4188ba32	166	if (spl_mmc_find_device(&mmc))
9ea5c6ef	167	hang();
9ea5c6ef	168
4188ba32	169	err = mmc_init(mmc);
9ea5c6ef	170	if (err) {
8112f5fa	171	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	172	printf("spl: mmc init failed with error: %d\n", err);
8112f5fa	173	#endif
9ea5c6ef SS	174	hang();
9ea5c6ef SS	175	}
79adb7a2	176
37189a19	177	boot_mode = spl_boot_mode();
91199f4a PK	178	switch (boot_mode) {
	179	case MMCSD_MODE_RAW:
	180	debug("spl: mmc boot mode: raw\n");
	181
2b75b0ad	182	#ifdef CONFIG_SPL_OS_BOOT
91199f4a PK	183	if (!spl_start_uboot()) {
	184	err = mmc_load_image_raw_os(mmc);
	185	if (!err)
	186	return;
	187	}
2b75b0ad	188	#endif
3ae8f4c8	189	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
b97300b6 PK	190	err = mmc_load_image_raw_partition(mmc,
b97300b6 PK	191	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8 PK	192	if (!err)
	193	return;
	194	#elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	195	err = mmc_load_image_raw_sector(mmc,
773b5940	196	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a PK	197	if (!err)
91199f4a PK	198	return;
3ae8f4c8	199	#endif
fd61d399	200	break;
91199f4a PK	201	case MMCSD_MODE_FS:
	202	debug("spl: mmc boot mode: fs\n");
	203
3ae8f4c8	204	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
592f9222	205	#ifdef CONFIG_SPL_FAT_SUPPORT
7ad2cc79	206	#ifdef CONFIG_SPL_OS_BOOT
91199f4a PK	207	if (!spl_start_uboot()) {
	208	err = spl_load_image_fat_os(&mmc->block_dev,
	209	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	210	if (!err)
	211	return;
	212	}
7ad2cc79	213	#endif
3ae8f4c8	214	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
773b5940	215	err = spl_load_image_fat(&mmc->block_dev,
91199f4a PK	216	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	217	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	218	if (!err)
	219	return;
	220	#endif
3ae8f4c8	221	#endif
592f9222 GG	222	#ifdef CONFIG_SPL_EXT_SUPPORT
592f9222 GG	223	#ifdef CONFIG_SPL_OS_BOOT
91199f4a PK	224	if (!spl_start_uboot()) {
	225	err = spl_load_image_ext_os(&mmc->block_dev,
	226	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	227	if (!err)
	228	return;
	229	}
7dbe63bc	230	#endif
3ae8f4c8	231	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
592f9222	232	err = spl_load_image_ext(&mmc->block_dev,
91199f4a PK	233	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	234	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	235	if (!err)
	236	return;
	237	#endif
	238	#endif
3ae8f4c8	239	#endif
fd61d399	240	break;
7dbe63bc	241	#ifdef CONFIG_SUPPORT_EMMC_BOOT
91199f4a	242	case MMCSD_MODE_EMMCBOOT:
7dbe63bc TR	243	/*
	244	* We need to check what the partition is configured to.
	245	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	246	* which is the first physical partition (0).
	247	*/
91199f4a	248	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
7dbe63bc TR	249
	250	if (part == 7)
	251	part = 0;
	252
	253	if (mmc_switch_part(0, part)) {
	254	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	255	puts("spl: mmc partition switch failed\n");
7dbe63bc TR	256	#endif
	257	hang();
	258	}
91199f4a	259
7dbe63bc	260	#ifdef CONFIG_SPL_OS_BOOT
91199f4a PK	261	if (!spl_start_uboot()) {
	262	err = mmc_load_image_raw_os(mmc);
	263	if (!err)
	264	return;
	265	}
7dbe63bc	266	#endif
3ae8f4c8	267	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
ecb30139 PK	268	err = mmc_load_image_raw_partition(mmc,
ecb30139 PK	269	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8 PK	270	if (!err)
	271	return;
	272	#elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	273	err = mmc_load_image_raw_sector(mmc,
7dbe63bc	274	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a PK	275	if (!err)
91199f4a PK	276	return;
3ae8f4c8	277	#endif
fd61d399	278	break;
0da113e9	279	#endif
91199f4a	280	case MMCSD_MODE_UNDEFINED:
8112f5fa	281	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
fd61d399 NK	282	default:
fd61d399 NK	283	puts("spl: mmc: wrong boot mode\n");
8112f5fa	284	#endif
91199f4a	285	}
fd61d399 NK	286
fd61d399 NK	287	hang();
9ea5c6ef	288	}