[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
}
#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

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");

		if (!spl_start_uboot()) {
			err = mmc_load_image_raw_os(mmc);
			if (!err)
				return;
		}

		err = mmc_load_image_raw_partition(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
		if (!err)
			return;
#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;
#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
		if (!spl_start_uboot()) {
			err = spl_load_image_fat_os(&mmc->block_dev,
				CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
			if (!err)
				return;
		}
#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
		if (!spl_start_uboot()) {
			err = spl_load_image_ext_os(&mmc->block_dev,
				CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
			if (!err)
				return;
		}
#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();
		}

		if (!spl_start_uboot()) {
			err = mmc_load_image_raw_os(mmc);
			if (!err)
				return;
		}
		err = mmc_load_image_raw_partition(mmc,
			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
		if (!err)
			return;
#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;
#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	135	}
d074ebb9 NK	136	#else
	137	#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
	138	static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
	139	{
	140	return -ENOSYS;
	141	}
b97300b6 PK	142	#endif
b97300b6 PK	143
2b75b0ad PK	144	#ifdef CONFIG_SPL_OS_BOOT
	145	static int mmc_load_image_raw_os(struct mmc *mmc)
	146	{
3bc37b6d	147	unsigned long count;
91199f4a	148
3bc37b6d PK	149	count = mmc->block_dev.block_read(0,
	150	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
	151	CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
	152	(void *) CONFIG_SYS_SPL_ARGS_ADDR);
	153	if (count == 0) {
8112f5fa	154	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
1ec26469	155	puts("spl: mmc block read error\n");
8112f5fa	156	#endif
2b75b0ad PK	157	return -1;
	158	}
	159
b97300b6	160	return mmc_load_image_raw_sector(mmc,
91199f4a	161	CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
2b75b0ad	162	}
339245b7 NK	163	#else
	164	int spl_start_uboot(void)
	165	{
	166	return 1;
	167	}
	168	static int mmc_load_image_raw_os(struct mmc *mmc)
	169	{
	170	return -ENOSYS;
	171	}
2b75b0ad PK	172	#endif
2b75b0ad PK	173
9ea5c6ef SS	174	void spl_mmc_load_image(void)
	175	{
	176	struct mmc *mmc;
9ea5c6ef	177	u32 boot_mode;
dc3dedfe	178	int err = 0;
91199f4a	179	__maybe_unused int part;
9ea5c6ef	180
4188ba32	181	if (spl_mmc_find_device(&mmc))
9ea5c6ef	182	hang();
9ea5c6ef	183
4188ba32	184	err = mmc_init(mmc);
9ea5c6ef	185	if (err) {
8112f5fa	186	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	187	printf("spl: mmc init failed with error: %d\n", err);
8112f5fa	188	#endif
9ea5c6ef SS	189	hang();
9ea5c6ef SS	190	}
79adb7a2	191
37189a19	192	boot_mode = spl_boot_mode();
91199f4a PK	193	switch (boot_mode) {
	194	case MMCSD_MODE_RAW:
	195	debug("spl: mmc boot mode: raw\n");
	196
91199f4a PK	197	if (!spl_start_uboot()) {
	198	err = mmc_load_image_raw_os(mmc);
	199	if (!err)
	200	return;
	201	}
d074ebb9	202
b97300b6 PK	203	err = mmc_load_image_raw_partition(mmc,
b97300b6 PK	204	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8 PK	205	if (!err)
3ae8f4c8 PK	206	return;
d074ebb9	207	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	208	err = mmc_load_image_raw_sector(mmc,
773b5940	209	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a PK	210	if (!err)
91199f4a PK	211	return;
3ae8f4c8	212	#endif
fd61d399	213	break;
91199f4a PK	214	case MMCSD_MODE_FS:
	215	debug("spl: mmc boot mode: fs\n");
	216
3ae8f4c8	217	#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
592f9222	218	#ifdef CONFIG_SPL_FAT_SUPPORT
91199f4a PK	219	if (!spl_start_uboot()) {
	220	err = spl_load_image_fat_os(&mmc->block_dev,
	221	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	222	if (!err)
	223	return;
	224	}
3ae8f4c8	225	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
773b5940	226	err = spl_load_image_fat(&mmc->block_dev,
91199f4a PK	227	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	228	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	229	if (!err)
	230	return;
	231	#endif
3ae8f4c8	232	#endif
592f9222	233	#ifdef CONFIG_SPL_EXT_SUPPORT
91199f4a PK	234	if (!spl_start_uboot()) {
	235	err = spl_load_image_ext_os(&mmc->block_dev,
	236	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
	237	if (!err)
	238	return;
	239	}
3ae8f4c8	240	#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
592f9222	241	err = spl_load_image_ext(&mmc->block_dev,
91199f4a PK	242	CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
	243	CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
	244	if (!err)
	245	return;
	246	#endif
	247	#endif
3ae8f4c8	248	#endif
fd61d399	249	break;
7dbe63bc	250	#ifdef CONFIG_SUPPORT_EMMC_BOOT
91199f4a	251	case MMCSD_MODE_EMMCBOOT:
7dbe63bc TR	252	/*
	253	* We need to check what the partition is configured to.
	254	* 1 and 2 match up to boot0 / boot1 and 7 is user data
	255	* which is the first physical partition (0).
	256	*/
91199f4a	257	part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
7dbe63bc TR	258
	259	if (part == 7)
	260	part = 0;
	261
	262	if (mmc_switch_part(0, part)) {
	263	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
91199f4a	264	puts("spl: mmc partition switch failed\n");
7dbe63bc TR	265	#endif
	266	hang();
	267	}
91199f4a	268
91199f4a PK	269	if (!spl_start_uboot()) {
	270	err = mmc_load_image_raw_os(mmc);
	271	if (!err)
	272	return;
	273	}
ecb30139 PK	274	err = mmc_load_image_raw_partition(mmc,
ecb30139 PK	275	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
3ae8f4c8 PK	276	if (!err)
3ae8f4c8 PK	277	return;
d074ebb9	278	#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
b97300b6	279	err = mmc_load_image_raw_sector(mmc,
7dbe63bc	280	CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
91199f4a PK	281	if (!err)
91199f4a PK	282	return;
3ae8f4c8	283	#endif
fd61d399	284	break;
0da113e9	285	#endif
91199f4a	286	case MMCSD_MODE_UNDEFINED:
8112f5fa	287	#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
fd61d399 NK	288	default:
fd61d399 NK	289	puts("spl: mmc: wrong boot mode\n");
8112f5fa	290	#endif
91199f4a	291	}
fd61d399 NK	292
fd61d399 NK	293	hang();
9ea5c6ef	294	}