[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(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;
}

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;
}

#ifdef CONFIG_DM_MMC
static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
{
	struct udevice *dev;
	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;
	}

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

	*mmcp = NULL;
	*mmcp = mmc_get_mmc_dev(dev);
	return *mmcp != NULL ? 0 : -ENODEV;
}
#else
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;

	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 */
	*mmcp = find_mmc_device(mmc_dev);
	if (!*mmcp) {
#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
}
#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(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);
}
#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
		break;
	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 */
3bc37b6d	31	count = mmc->block_dev.block_read(0, 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 */
3bc37b6d	48	count = mmc->block_dev.block_read(0, sector, image_size_sectors,
7ef4c45c	49	(void *)(ulong)spl_image.load_addr);
fdfa39d3 SG	50	debug("read %x sectors to %x\n", image_size_sectors,
fdfa39d3 SG	51	spl_image.load_addr);
9ea5c6ef SS	52
9ea5c6ef SS	53	end:
1ec26469	54	if (count == 0) {
8112f5fa	55	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	56	puts("spl: mmc block read error\n");
8112f5fa	57	#endif
3bc37b6d	58	return -1;
1ec26469	59	}
3bc37b6d PK	60
3bc37b6d PK	61	return 0;
9ea5c6ef SS	62	}
9ea5c6ef SS	63
a1e56cf6 NK	64	int spl_mmc_get_device_index(u32 boot_device)
	65	{
	66	switch (boot_device) {
	67	case BOOT_DEVICE_MMC1:
	68	return 0;
	69	case BOOT_DEVICE_MMC2:
	70	case BOOT_DEVICE_MMC2_2:
	71	return 1;
	72	}
	73
	74	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	75	printf("spl: unsupported mmc boot device.\n");
	76	#endif
	77
	78	return -ENODEV;
	79	}
	80
4188ba32	81	#ifdef CONFIG_DM_MMC
99c7a51a	82	static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
4188ba32 NK	83	{
4188ba32 NK	84	struct udevice *dev;
a1e56cf6 NK	85	int err, mmc_dev;
	86
	87	mmc_dev = spl_mmc_get_device_index(boot_device);
	88	if (mmc_dev < 0)
	89	return mmc_dev;
4188ba32 NK	90
	91	err = mmc_initialize(NULL);
	92	if (err) {
	93	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	94	printf("spl: could not initialize mmc. error: %d\n", err);
	95	#endif
	96	return err;
	97	}
	98
a1e56cf6	99	err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
4188ba32 NK	100	if (err) {
	101	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	102	printf("spl: could not find mmc device. error: %d\n", err);
	103	#endif
	104	return err;
	105	}
	106
99c7a51a SG	107	*mmcp = NULL;
	108	*mmcp = mmc_get_mmc_dev(dev);
	109	return *mmcp != NULL ? 0 : -ENODEV;
4188ba32 NK	110	}
4188ba32 NK	111	#else
99c7a51a	112	static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
4188ba32	113	{
a1e56cf6 NK	114	int err, mmc_dev;
	115
	116	mmc_dev = spl_mmc_get_device_index(boot_device);
	117	if (mmc_dev < 0)
	118	return mmc_dev;
4188ba32 NK	119
	120	err = mmc_initialize(gd->bd);
	121	if (err) {
	122	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	123	printf("spl: could not initialize mmc. error: %d\n", err);
	124	#endif
	125	return err;
	126	}
	127
	128	/* We register only one device. So, the dev id is always 0 */
99c7a51a SG	129	*mmcp = find_mmc_device(mmc_dev);
99c7a51a SG	130	if (!*mmcp) {
4188ba32 NK	131	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	132	puts("spl: mmc device not found\n");
	133	#endif
	134	return -ENODEV;
	135	}
	136
	137	return 0;
	138	}
	139	#endif
	140
b97300b6 PK	141	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
	142	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	143	{
	144	disk_partition_t info;
3bc37b6d	145	int err;
b97300b6	146
3bc37b6d PK	147	err = get_partition_info(&mmc->block_dev, partition, &info);
3bc37b6d PK	148	if (err) {
b97300b6	149	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	150	puts("spl: partition error\n");
b97300b6 PK	151	#endif
	152	return -1;
	153	}
	154
4bfcc54c SR	155	#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
	156	return mmc_load_image_raw_sector(mmc, info.start +
	157	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
	158	#else
b97300b6	159	return mmc_load_image_raw_sector(mmc, info.start);
4bfcc54c	160	#endif
b97300b6	161	}
d074ebb9 NK	162	#else
	163	#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
	164	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	165	{
	166	return -ENOSYS;
	167	}
b97300b6 PK	168	#endif
b97300b6 PK	169
2b75b0ad PK	170	#ifdef CONFIG_SPL_OS_BOOT
	171	static int mmc_load_image_raw_os(struct mmc *mmc)
	172	{
3bc37b6d	173	unsigned long count;
91199f4a	174
3bc37b6d PK	175	count = mmc->block_dev.block_read(0,
	176	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
	177	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
	178	(void *) CONFIG_SYS_SPL_ARGS_ADDR);
	179	if (count == 0) {
8112f5fa	180	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	181	puts("spl: mmc block read error\n");
8112f5fa	182	#endif
2b75b0ad PK	183	return -1;
	184	}
	185
b97300b6	186	return mmc_load_image_raw_sector(mmc,
91199f4a	187	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
2b75b0ad	188	}
339245b7 NK	189	#else
	190	int spl_start_uboot(void)
	191	{
	192	return 1;
	193	}
	194	static int mmc_load_image_raw_os(struct mmc *mmc)
	195	{
	196	return -ENOSYS;
	197	}
2b75b0ad PK	198	#endif
2b75b0ad PK	199
f52b7293 NK	200	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
	201	int spl_mmc_do_fs_boot(struct mmc *mmc)
	202	{
	203	int err = -ENOSYS;
	204
	205	#ifdef CONFIG_SPL_FAT_SUPPORT
	206	if (!spl_start_uboot()) {
	207	err = spl_load_image_fat_os(&mmc->block_dev,
	208	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	209	if (!err)
	210	return err;
	211	}
	212	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	213	err = spl_load_image_fat(&mmc->block_dev,
	214	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	215	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	216	if (!err)
	217	return err;
	218	#endif
	219	#endif
	220	#ifdef CONFIG_SPL_EXT_SUPPORT
	221	if (!spl_start_uboot()) {
	222	err = spl_load_image_ext_os(&mmc->block_dev,
	223	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	224	if (!err)
	225	return err;
	226	}
	227	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
	228	err = spl_load_image_ext(&mmc->block_dev,
	229	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	230	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	231	if (!err)
	232	return err;
	233	#endif
	234	#endif
	235
	236	#if defined(CONFIG_SPL_FAT_SUPPORT) \|\| defined(CONFIG_SPL_EXT_SUPPORT)
	237	err = -ENOENT;
	238	#endif
	239
	240	return err;
	241	}
	242	#else
	243	int spl_mmc_do_fs_boot(struct mmc *mmc)
	244	{
	245	return -ENOSYS;
	246	}
	247	#endif
	248
a1e56cf6	249	int spl_mmc_load_image(u32 boot_device)
9ea5c6ef	250	{
d773a008	251	struct mmc *mmc = NULL;
9ea5c6ef	252	u32 boot_mode;
dc3dedfe	253	int err = 0;
91199f4a	254	__maybe_unused int part;
9ea5c6ef	255
a1e56cf6	256	err = spl_mmc_find_device(&mmc, boot_device);
36afd451 NK	257	if (err)
36afd451 NK	258	return err;
9ea5c6ef	259
4188ba32	260	err = mmc_init(mmc);
9ea5c6ef	261	if (err) {
8112f5fa	262	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	263	printf("spl: mmc init failed with error: %d\n", err);
8112f5fa	264	#endif
36afd451	265	return err;
9ea5c6ef	266	}
79adb7a2	267
37189a19	268	boot_mode = spl_boot_mode();
36afd451	269	err = -EINVAL;
91199f4a	270	switch (boot_mode) {
83cdf6fa NK	271	case MMCSD_MODE_EMMCBOOT:
	272	/*
	273	* We need to check what the partition is configured to.
	274	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	275	* which is the first physical partition (0).
	276	*/
	277	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
	278
	279	if (part == 7)
	280	part = 0;
	281
36afd451 NK	282	err = mmc_switch_part(0, part);
36afd451 NK	283	if (err) {
83cdf6fa NK	284	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
	285	puts("spl: mmc partition switch failed\n");
	286	#endif
36afd451	287	return err;
83cdf6fa NK	288	}
83cdf6fa NK	289	/* Fall through */
91199f4a PK	290	case MMCSD_MODE_RAW:
	291	debug("spl: mmc boot mode: raw\n");
	292
91199f4a PK	293	if (!spl_start_uboot()) {
	294	err = mmc_load_image_raw_os(mmc);
	295	if (!err)
36afd451	296	return err;
91199f4a	297	}
d074ebb9	298
b97300b6 PK	299	err = mmc_load_image_raw_partition(mmc,
b97300b6 PK	300	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8	301	if (!err)
36afd451	302	return err;
d074ebb9	303	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	304	err = mmc_load_image_raw_sector(mmc,
773b5940	305	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a	306	if (!err)
36afd451	307	return err;
3ae8f4c8	308	#endif
fd61d399	309	break;
91199f4a PK	310	case MMCSD_MODE_FS:
	311	debug("spl: mmc boot mode: fs\n");
	312
f52b7293	313	err = spl_mmc_do_fs_boot(mmc);
91199f4a	314	if (!err)
36afd451	315	return err;
f52b7293	316
fd61d399	317	break;
91199f4a	318	case MMCSD_MODE_UNDEFINED:
8112f5fa	319	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
fd61d399 NK	320	default:
fd61d399 NK	321	puts("spl: mmc: wrong boot mode\n");
8112f5fa	322	#endif
91199f4a	323	}
fd61d399	324
36afd451	325	return err;
9ea5c6ef	326	}