[J-u-boot.git] / common / cmd_nand.c

/*
 * Driver for NAND support, Rick Bronson
 * borrowed heavily from:
 * (c) 1999 Machine Vision Holdings, Inc.
 * (c) 1999, 2000 David Woodhouse <[email protected]>
 *
 * Added 16-bit nand support
 * (C) 2004 Texas Instruments
 */

#include <common.h>


/*
 *
 * New NAND support
 *
 */
#include <common.h>
#include <linux/mtd/mtd.h>

#if defined(CONFIG_CMD_NAND)

#include <command.h>
#include <watchdog.h>
#include <malloc.h>
#include <asm/byteorder.h>
#include <jffs2/jffs2.h>
#include <nand.h>

#if defined(CONFIG_CMD_MTDPARTS)

/* parition handling routines */
int mtdparts_init(void);
int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
int find_dev_and_part(const char *id, struct mtd_device **dev,
		      u8 *part_num, struct part_info **part);
#endif

static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
{
	int i;
	u_char *datbuf, *oobbuf, *p;

	datbuf = malloc(nand->writesize + nand->oobsize);
	oobbuf = malloc(nand->oobsize);
	if (!datbuf || !oobbuf) {
		puts("No memory for page buffer\n");
		return 1;
	}
	off &= ~(nand->writesize - 1);
	loff_t addr = (loff_t) off;
	struct mtd_oob_ops ops;
	memset(&ops, 0, sizeof(ops));
	ops.datbuf = datbuf;
	ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
	ops.len = nand->writesize;
	ops.ooblen = nand->oobsize;
	ops.mode = MTD_OOB_RAW;
	i = nand->read_oob(nand, addr, &ops);
	if (i < 0) {
		printf("Error (%d) reading page %08lx\n", i, off);
		free(datbuf);
		free(oobbuf);
		return 1;
	}
	printf("Page %08lx dump:\n", off);
	i = nand->writesize >> 4;
	p = datbuf;

	while (i--) {
		if (!only_oob)
			printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
			       "  %02x %02x %02x %02x %02x %02x %02x %02x\n",
			       p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
			       p[8], p[9], p[10], p[11], p[12], p[13], p[14],
			       p[15]);
		p += 16;
	}
	puts("OOB:\n");
	i = nand->oobsize >> 3;
	while (i--) {
		printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
		       p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
		p += 8;
	}
	free(datbuf);
	free(oobbuf);

	return 0;
}

/* ------------------------------------------------------------------------- */

static inline int str2long(char *p, ulong *num)
{
	char *endptr;

	*num = simple_strtoul(p, &endptr, 16);
	return (*p != '\0' && *endptr == '\0') ? 1 : 0;
}

static int
arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, size_t *size)
{
	int idx = nand_curr_device;
#if defined(CONFIG_CMD_MTDPARTS)
	struct mtd_device *dev;
	struct part_info *part;
	u8 pnum;

	if (argc >= 1 && !(str2long(argv[0], off))) {
		if ((mtdparts_init() == 0) &&
		    (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) {
			if (dev->id->type != MTD_DEV_TYPE_NAND) {
				puts("not a NAND device\n");
				return -1;
			}
			*off = part->offset;
			if (argc >= 2) {
				if (!(str2long(argv[1], (ulong *)size))) {
					printf("'%s' is not a number\n", argv[1]);
					return -1;
				}
				if (*size > part->size)
					*size = part->size;
			} else {
				*size = part->size;
			}
			idx = dev->id->num;
			*nand = nand_info[idx];
			goto out;
		}
	}
#endif

	if (argc >= 1) {
		if (!(str2long(argv[0], off))) {
			printf("'%s' is not a number\n", argv[0]);
			return -1;
		}
	} else {
		*off = 0;
	}

	if (argc >= 2) {
		if (!(str2long(argv[1], (ulong *)size))) {
			printf("'%s' is not a number\n", argv[1]);
			return -1;
		}
	} else {
		*size = nand->size - *off;
	}

#if defined(CONFIG_CMD_MTDPARTS)
out:
#endif
	printf("device %d ", idx);
	if (*size == nand->size)
		puts("whole chip\n");
	else
		printf("offset 0x%lx, size 0x%zx\n", *off, *size);
	return 0;
}

#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
static void print_status(ulong start, ulong end, ulong erasesize, int status)
{
	printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
		start,
		end - 1,
		(end - start) / erasesize,
		((status & NAND_LOCK_STATUS_TIGHT) ?  "TIGHT " : ""),
		((status & NAND_LOCK_STATUS_LOCK) ?  "LOCK " : ""),
		((status & NAND_LOCK_STATUS_UNLOCK) ?  "UNLOCK " : ""));
}

static void do_nand_status(nand_info_t *nand)
{
	ulong block_start = 0;
	ulong off;
	int last_status = -1;

	struct nand_chip *nand_chip = nand->priv;
	/* check the WP bit */
	nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
	printf("device is %swrite protected\n",
		(nand_chip->read_byte(nand) & 0x80 ?
		"NOT " : ""));

	for (off = 0; off < nand->size; off += nand->erasesize) {
		int s = nand_get_lock_status(nand, off);

		/* print message only if status has changed */
		if (s != last_status && off != 0) {
			print_status(block_start, off, nand->erasesize,
					last_status);
			block_start = off;
		}
		last_status = s;
	}
	/* Print the last block info */
	print_status(block_start, off, nand->erasesize, last_status);
}
#endif

static void nand_print_info(int idx)
{
	nand_info_t *nand = &nand_info[idx];
	struct nand_chip *chip = nand->priv;
	printf("Device %d: ", idx);
	if (chip->numchips > 1)
		printf("%dx ", chip->numchips);
	printf("%s, sector size %u KiB\n",
	       nand->name, nand->erasesize >> 10);
}

int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
	int i, dev, ret = 0;
	ulong addr, off;
	size_t size;
	char *cmd, *s;
	nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
	int quiet = CONFIG_SYS_NAND_QUIET;
#else
	int quiet = 0;
#endif
	const char *quiet_str = getenv("quiet");

	/* at least two arguments please */
	if (argc < 2)
		goto usage;

	if (quiet_str)
		quiet = simple_strtoul(quiet_str, NULL, 0) != 0;

	cmd = argv[1];

	if (strcmp(cmd, "info") == 0) {

		putc('\n');
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			if (nand_info[i].name)
				nand_print_info(i);
		}
		return 0;
	}

	if (strcmp(cmd, "device") == 0) {

		if (argc < 3) {
			putc('\n');
			if ((nand_curr_device < 0) ||
			    (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
				puts("no devices available\n");
			else
				nand_print_info(nand_curr_device);
			return 0;
		}
		dev = (int)simple_strtoul(argv[2], NULL, 10);
		if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) {
			puts("No such device\n");
			return 1;
		}
		printf("Device %d: %s", dev, nand_info[dev].name);
		puts("... is now current device\n");
		nand_curr_device = dev;

#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
		/*
		 * Select the chip in the board/cpu specific driver
		 */
		board_nand_select_device(nand_info[dev].priv, dev);
#endif

		return 0;
	}

	if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
	    strncmp(cmd, "dump", 4) != 0 &&
	    strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
	    strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
	    strcmp(cmd, "biterr") != 0 &&
	    strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
		goto usage;

	/* the following commands operate on the current device */
	if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
	    !nand_info[nand_curr_device].name) {
		puts("\nno devices available\n");
		return 1;
	}
	nand = &nand_info[nand_curr_device];

	if (strcmp(cmd, "bad") == 0) {
		printf("\nDevice %d bad blocks:\n", nand_curr_device);
		for (off = 0; off < nand->size; off += nand->erasesize)
			if (nand_block_isbad(nand, off))
				printf("  %08lx\n", off);
		return 0;
	}

	/*
	 * Syntax is:
	 *   0    1     2       3    4
	 *   nand erase [clean] [off size]
	 */
	if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
		nand_erase_options_t opts;
		/* "clean" at index 2 means request to write cleanmarker */
		int clean = argc > 2 && !strcmp("clean", argv[2]);
		int o = clean ? 3 : 2;
		int scrub = !strcmp(cmd, "scrub");

		printf("\nNAND %s: ", scrub ? "scrub" : "erase");
		/* skip first two or three arguments, look for offset and size */
		if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
			return 1;

		memset(&opts, 0, sizeof(opts));
		opts.offset = off;
		opts.length = size;
		opts.jffs2  = clean;
		opts.quiet  = quiet;

		if (scrub) {
			puts("Warning: "
			     "scrub option will erase all factory set "
			     "bad blocks!\n"
			     "         "
			     "There is no reliable way to recover them.\n"
			     "         "
			     "Use this command only for testing purposes "
			     "if you\n"
			     "         "
			     "are sure of what you are doing!\n"
			     "\nReally scrub this NAND flash? <y/N>\n");

			if (getc() == 'y' && getc() == '\r') {
				opts.scrub = 1;
			} else {
				puts("scrub aborted\n");
				return -1;
			}
		}
		ret = nand_erase_opts(nand, &opts);
		printf("%s\n", ret ? "ERROR" : "OK");

		return ret == 0 ? 0 : 1;
	}

	if (strncmp(cmd, "dump", 4) == 0) {
		if (argc < 3)
			goto usage;

		s = strchr(cmd, '.');
		off = (int)simple_strtoul(argv[2], NULL, 16);

		if (s != NULL && strcmp(s, ".oob") == 0)
			ret = nand_dump(nand, off, 1);
		else
			ret = nand_dump(nand, off, 0);

		return ret == 0 ? 1 : 0;

	}

	if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
		int read;

		if (argc < 4)
			goto usage;

		addr = (ulong)simple_strtoul(argv[2], NULL, 16);

		read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
		printf("\nNAND %s: ", read ? "read" : "write");
		if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
			return 1;

		s = strchr(cmd, '.');
		if (!s || !strcmp(s, ".jffs2") ||
		    !strcmp(s, ".e") || !strcmp(s, ".i")) {
			if (read)
				ret = nand_read_skip_bad(nand, off, &size,
							 (u_char *)addr);
			else
				ret = nand_write_skip_bad(nand, off, &size,
							  (u_char *)addr);
		} else if (!strcmp(s, ".oob")) {
			/* out-of-band data */
			mtd_oob_ops_t ops = {
				.oobbuf = (u8 *)addr,
				.ooblen = size,
				.mode = MTD_OOB_RAW
			};

			if (read)
				ret = nand->read_oob(nand, off, &ops);
			else
				ret = nand->write_oob(nand, off, &ops);
		} else {
			printf("Unknown nand command suffix '%s'.\n", s);
			return 1;
		}

		printf(" %zu bytes %s: %s\n", size,
		       read ? "read" : "written", ret ? "ERROR" : "OK");

		return ret == 0 ? 0 : 1;
	}

	if (strcmp(cmd, "markbad") == 0) {
		argc -= 2;
		argv += 2;

		if (argc <= 0)
			goto usage;

		while (argc > 0) {
			addr = simple_strtoul(*argv, NULL, 16);

			if (nand->block_markbad(nand, addr)) {
				printf("block 0x%08lx NOT marked "
					"as bad! ERROR %d\n",
					addr, ret);
				ret = 1;
			} else {
				printf("block 0x%08lx successfully "
					"marked as bad\n",
					addr);
			}
			--argc;
			++argv;
		}
		return ret;
	}

	if (strcmp(cmd, "biterr") == 0) {
		/* todo */
		return 1;
	}

#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
	if (strcmp(cmd, "lock") == 0) {
		int tight = 0;
		int status = 0;
		if (argc == 3) {
			if (!strcmp("tight", argv[2]))
				tight = 1;
			if (!strcmp("status", argv[2]))
				status = 1;
		}
		if (status) {
			do_nand_status(nand);
		} else {
			if (!nand_lock(nand, tight)) {
				puts("NAND flash successfully locked\n");
			} else {
				puts("Error locking NAND flash\n");
				return 1;
			}
		}
		return 0;
	}

	if (strcmp(cmd, "unlock") == 0) {
		if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
			return 1;

		if (!nand_unlock(nand, off, size)) {
			puts("NAND flash successfully unlocked\n");
		} else {
			puts("Error unlocking NAND flash, "
			     "write and erase will probably fail\n");
			return 1;
		}
		return 0;
	}
#endif

usage:
	cmd_usage(cmdtp);
	return 1;
}

U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand,
	"NAND sub-system",
	"info - show available NAND devices\n"
	"nand device [dev] - show or set current device\n"
	"nand read - addr off|partition size\n"
	"nand write - addr off|partition size\n"
	"    read/write 'size' bytes starting at offset 'off'\n"
	"    to/from memory address 'addr', skipping bad blocks.\n"
	"nand erase [clean] [off size] - erase 'size' bytes from\n"
	"    offset 'off' (entire device if not specified)\n"
	"nand bad - show bad blocks\n"
	"nand dump[.oob] off - dump page\n"
	"nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
	"nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
	"nand biterr off - make a bit error at offset (UNSAFE)"
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
	"\n"
	"nand lock [tight] [status]\n"
	"    bring nand to lock state or display locked pages\n"
	"nand unlock [offset] [size] - unlock section"
#endif
);

static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
			   ulong offset, ulong addr, char *cmd)
{
	int r;
	char *ep, *s;
	size_t cnt;
	image_header_t *hdr;
#if defined(CONFIG_FIT)
	const void *fit_hdr = NULL;
#endif

	s = strchr(cmd, '.');
	if (s != NULL &&
	    (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
		printf("Unknown nand load suffix '%s'\n", s);
		show_boot_progress(-53);
		return 1;
	}

	printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);

	cnt = nand->writesize;
	r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
	if (r) {
		puts("** Read error\n");
		show_boot_progress (-56);
		return 1;
	}
	show_boot_progress (56);

	switch (genimg_get_format ((void *)addr)) {
	case IMAGE_FORMAT_LEGACY:
		hdr = (image_header_t *)addr;

		show_boot_progress (57);
		image_print_contents (hdr);

		cnt = image_get_image_size (hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		fit_hdr = (const void *)addr;
		puts ("Fit image detected...\n");

		cnt = fit_get_size (fit_hdr);
		break;
#endif
	default:
		show_boot_progress (-57);
		puts ("** Unknown image type\n");
		return 1;
	}
	show_boot_progress (57);

	r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
	if (r) {
		puts("** Read error\n");
		show_boot_progress (-58);
		return 1;
	}
	show_boot_progress (58);

#if defined(CONFIG_FIT)
	/* This cannot be done earlier, we need complete FIT image in RAM first */
	if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
		if (!fit_check_format (fit_hdr)) {
			show_boot_progress (-150);
			puts ("** Bad FIT image format\n");
			return 1;
		}
		show_boot_progress (151);
		fit_print_contents (fit_hdr);
	}
#endif

	/* Loading ok, update default load address */

	load_addr = addr;

	/* Check if we should attempt an auto-start */
	if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
		char *local_args[2];
		extern int do_bootm(cmd_tbl_t *, int, int, char *[]);

		local_args[0] = cmd;
		local_args[1] = NULL;

		printf("Automatic boot of image at addr 0x%08lx ...\n", addr);

		do_bootm(cmdtp, 0, 1, local_args);
		return 1;
	}
	return 0;
}

int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
	char *boot_device = NULL;
	int idx;
	ulong addr, offset = 0;
#if defined(CONFIG_CMD_MTDPARTS)
	struct mtd_device *dev;
	struct part_info *part;
	u8 pnum;

	if (argc >= 2) {
		char *p = (argc == 2) ? argv[1] : argv[2];
		if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
		    (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
			if (dev->id->type != MTD_DEV_TYPE_NAND) {
				puts("Not a NAND device\n");
				return 1;
			}
			if (argc > 3)
				goto usage;
			if (argc == 3)
				addr = simple_strtoul(argv[1], NULL, 16);
			else
				addr = CONFIG_SYS_LOAD_ADDR;
			return nand_load_image(cmdtp, &nand_info[dev->id->num],
					       part->offset, addr, argv[0]);
		}
	}
#endif

	show_boot_progress(52);
	switch (argc) {
	case 1:
		addr = CONFIG_SYS_LOAD_ADDR;
		boot_device = getenv("bootdevice");
		break;
	case 2:
		addr = simple_strtoul(argv[1], NULL, 16);
		boot_device = getenv("bootdevice");
		break;
	case 3:
		addr = simple_strtoul(argv[1], NULL, 16);
		boot_device = argv[2];
		break;
	case 4:
		addr = simple_strtoul(argv[1], NULL, 16);
		boot_device = argv[2];
		offset = simple_strtoul(argv[3], NULL, 16);
		break;
	default:
#if defined(CONFIG_CMD_MTDPARTS)
usage:
#endif
		cmd_usage(cmdtp);
		show_boot_progress(-53);
		return 1;
	}

	show_boot_progress(53);
	if (!boot_device) {
		puts("\n** No boot device **\n");
		show_boot_progress(-54);
		return 1;
	}
	show_boot_progress(54);

	idx = simple_strtoul(boot_device, NULL, 16);

	if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
		printf("\n** Device %d not available\n", idx);
		show_boot_progress(-55);
		return 1;
	}
	show_boot_progress(55);

	return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
}

U_BOOT_CMD(nboot, 4, 1, do_nandboot,
	"boot from NAND device",
	"[partition] | [[[loadAddr] dev] offset]"
);
#endif
Commit	Line	Data
dc7c9a1a WD	1	/*
	2	* Driver for NAND support, Rick Bronson
	3	* borrowed heavily from:
	4	* (c) 1999 Machine Vision Holdings, Inc.
	5	* (c) 1999, 2000 David Woodhouse <[email protected]>
384cc687 WD	6	*
	7	* Added 16-bit nand support
	8	* (C) 2004 Texas Instruments
dc7c9a1a WD	9	*/
	10
	11	#include <common.h>
addb2e16 BS	12
addb2e16 BS	13
addb2e16 BS	14	/*
	15	*
	16	* New NAND support
	17	*
	18	*/
	19	#include <common.h>
cfa460ad	20	#include <linux/mtd/mtd.h>
addb2e16	21
c76fe474	22	#if defined(CONFIG_CMD_NAND)
addb2e16 BS	23
	24	#include <command.h>
	25	#include <watchdog.h>
	26	#include <malloc.h>
	27	#include <asm/byteorder.h>
addb2e16 BS	28	#include <jffs2/jffs2.h>
	29	#include <nand.h>
	30
0c8a8491	31	#if defined(CONFIG_CMD_MTDPARTS)
856f0544 SR	32
	33	/* parition handling routines */
	34	int mtdparts_init(void);
	35	int id_parse(const char id, const char ret_id, u8 dev_type, u8 *dev_num);
	36	int find_dev_and_part(const char id, struct mtd_device *dev,
4b070809	37	u8 part_num, struct part_info *part);
856f0544 SR	38	#endif
856f0544 SR	39
9ad754fe	40	static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
addb2e16 BS	41	{
addb2e16 BS	42	int i;
9ad754fe	43	u_char datbuf, oobbuf, *p;
addb2e16	44
9ad754fe WJ	45	datbuf = malloc(nand->writesize + nand->oobsize);
	46	oobbuf = malloc(nand->oobsize);
	47	if (!datbuf \|\| !oobbuf) {
addb2e16 BS	48	puts("No memory for page buffer\n");
	49	return 1;
	50	}
cfa460ad	51	off &= ~(nand->writesize - 1);
cfa460ad	52	loff_t addr = (loff_t) off;
9ad754fe WJ	53	struct mtd_oob_ops ops;
	54	memset(&ops, 0, sizeof(ops));
	55	ops.datbuf = datbuf;
	56	ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
	57	ops.len = nand->writesize;
	58	ops.ooblen = nand->oobsize;
	59	ops.mode = MTD_OOB_RAW;
	60	i = nand->read_oob(nand, addr, &ops);
addb2e16	61	if (i < 0) {
e870690b	62	printf("Error (%d) reading page %08lx\n", i, off);
9ad754fe WJ	63	free(datbuf);
9ad754fe WJ	64	free(oobbuf);
addb2e16 BS	65	return 1;
addb2e16 BS	66	}
e870690b	67	printf("Page %08lx dump:\n", off);
9ad754fe WJ	68	i = nand->writesize >> 4;
9ad754fe WJ	69	p = datbuf;
4b070809	70
addb2e16	71	while (i--) {
9ad754fe WJ	72	if (!only_oob)
	73	printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
	74	" %02x %02x %02x %02x %02x %02x %02x %02x\n",
	75	p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
dfbf617f SW	76	p[8], p[9], p[10], p[11], p[12], p[13], p[14],
dfbf617f SW	77	p[15]);
addb2e16 BS	78	p += 16;
	79	}
	80	puts("OOB:\n");
	81	i = nand->oobsize >> 3;
	82	while (i--) {
cfa460ad WJ	83	printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
cfa460ad WJ	84	p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
addb2e16 BS	85	p += 8;
addb2e16 BS	86	}
9ad754fe WJ	87	free(datbuf);
9ad754fe WJ	88	free(oobbuf);
addb2e16 BS	89
	90	return 0;
	91	}
	92
	93	/* ------------------------------------------------------------------------- */
	94
856f0544	95	static inline int str2long(char p, ulong num)
addb2e16	96	{
856f0544	97	char *endptr;
addb2e16	98
856f0544 SR	99	*num = simple_strtoul(p, &endptr, 16);
	100	return (p != '\0' && endptr == '\0') ? 1 : 0;
	101	}
addb2e16	102
856f0544	103	static int
4ca79f47	104	arg_off_size(int argc, char argv[], nand_info_t nand, ulong off, size_t size)
856f0544 SR	105	{
856f0544 SR	106	int idx = nand_curr_device;
0c8a8491	107	#if defined(CONFIG_CMD_MTDPARTS)
856f0544 SR	108	struct mtd_device *dev;
	109	struct part_info *part;
	110	u8 pnum;
	111
	112	if (argc >= 1 && !(str2long(argv[0], off))) {
	113	if ((mtdparts_init() == 0) &&
	114	(find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) {
	115	if (dev->id->type != MTD_DEV_TYPE_NAND) {
	116	puts("not a NAND device\n");
	117	return -1;
	118	}
	119	*off = part->offset;
	120	if (argc >= 2) {
42ffcec3	121	if (!(str2long(argv[1], (ulong *)size))) {
856f0544 SR	122	printf("'%s' is not a number\n", argv[1]);
	123	return -1;
	124	}
	125	if (*size > part->size)
	126	*size = part->size;
	127	} else {
	128	*size = part->size;
	129	}
	130	idx = dev->id->num;
	131	*nand = nand_info[idx];
	132	goto out;
addb2e16	133	}
856f0544	134	}
addb2e16	135	#endif
addb2e16	136
856f0544 SR	137	if (argc >= 1) {
	138	if (!(str2long(argv[0], off))) {
	139	printf("'%s' is not a number\n", argv[0]);
	140	return -1;
	141	}
	142	} else {
	143	*off = 0;
	144	}
addb2e16	145
856f0544	146	if (argc >= 2) {
4ca79f47	147	if (!(str2long(argv[1], (ulong *)size))) {
856f0544 SR	148	printf("'%s' is not a number\n", argv[1]);
	149	return -1;
	150	}
	151	} else {
	152	size = nand->size - off;
addb2e16 BS	153	}
addb2e16 BS	154
0c8a8491	155	#if defined(CONFIG_CMD_MTDPARTS)
856f0544 SR	156	out:
	157	#endif
	158	printf("device %d ", idx);
	159	if (*size == nand->size)
	160	puts("whole chip\n");
	161	else
d4bade8d	162	printf("offset 0x%lx, size 0x%zx\n", off, size);
856f0544	163	return 0;
addb2e16 BS	164	}
addb2e16 BS	165
50657c27 NM	166	#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
	167	static void print_status(ulong start, ulong end, ulong erasesize, int status)
	168	{
	169	printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
	170	start,
	171	end - 1,
	172	(end - start) / erasesize,
	173	((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
	174	((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
	175	((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
	176	}
	177
	178	static void do_nand_status(nand_info_t *nand)
	179	{
	180	ulong block_start = 0;
	181	ulong off;
	182	int last_status = -1;
	183
	184	struct nand_chip *nand_chip = nand->priv;
	185	/* check the WP bit */
	186	nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
	187	printf("device is %swrite protected\n",
	188	(nand_chip->read_byte(nand) & 0x80 ?
	189	"NOT " : ""));
	190
	191	for (off = 0; off < nand->size; off += nand->erasesize) {
	192	int s = nand_get_lock_status(nand, off);
	193
	194	/* print message only if status has changed */
	195	if (s != last_status && off != 0) {
	196	print_status(block_start, off, nand->erasesize,
	197	last_status);
	198	block_start = off;
	199	}
	200	last_status = s;
	201	}
	202	/* Print the last block info */
	203	print_status(block_start, off, nand->erasesize, last_status);
	204	}
	205	#endif
	206
672ed2ae WG	207	static void nand_print_info(int idx)
	208	{
	209	nand_info_t *nand = &nand_info[idx];
	210	struct nand_chip *chip = nand->priv;
	211	printf("Device %d: ", idx);
	212	if (chip->numchips > 1)
	213	printf("%dx ", chip->numchips);
	214	printf("%s, sector size %u KiB\n",
	215	nand->name, nand->erasesize >> 10);
	216	}
	217
addb2e16 BS	218	int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
addb2e16 BS	219	{
cfa460ad	220	int i, dev, ret = 0;
4ca79f47 WD	221	ulong addr, off;
4ca79f47 WD	222	size_t size;
addb2e16 BS	223	char cmd, s;
addb2e16 BS	224	nand_info_t *nand;
6d0f6bcf JCPV	225	#ifdef CONFIG_SYS_NAND_QUIET
6d0f6bcf JCPV	226	int quiet = CONFIG_SYS_NAND_QUIET;
c750d2e6	227	#else
2255b2d2	228	int quiet = 0;
c750d2e6	229	#endif
2255b2d2	230	const char *quiet_str = getenv("quiet");
addb2e16 BS	231
	232	/* at least two arguments please */
	233	if (argc < 2)
	234	goto usage;
	235
2255b2d2 SR	236	if (quiet_str)
	237	quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
	238
addb2e16 BS	239	cmd = argv[1];
	240
	241	if (strcmp(cmd, "info") == 0) {
	242
	243	putc('\n');
6d0f6bcf	244	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
addb2e16	245	if (nand_info[i].name)
672ed2ae	246	nand_print_info(i);
addb2e16 BS	247	}
	248	return 0;
	249	}
	250
	251	if (strcmp(cmd, "device") == 0) {
	252
	253	if (argc < 3) {
672ed2ae	254	putc('\n');
addb2e16	255	if ((nand_curr_device < 0) \|\|
6d0f6bcf	256	(nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
672ed2ae	257	puts("no devices available\n");
addb2e16	258	else
672ed2ae	259	nand_print_info(nand_curr_device);
addb2e16 BS	260	return 0;
	261	}
	262	dev = (int)simple_strtoul(argv[2], NULL, 10);
6d0f6bcf	263	if (dev < 0 \|\| dev >= CONFIG_SYS_MAX_NAND_DEVICE \|\| !nand_info[dev].name) {
addb2e16 BS	264	puts("No such device\n");
	265	return 1;
	266	}
	267	printf("Device %d: %s", dev, nand_info[dev].name);
	268	puts("... is now current device\n");
	269	nand_curr_device = dev;
43a2b0e7	270
6d0f6bcf	271	#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
43a2b0e7 SR	272	/*
	273	* Select the chip in the board/cpu specific driver
	274	*/
	275	board_nand_select_device(nand_info[dev].priv, dev);
	276	#endif
	277
addb2e16 BS	278	return 0;
	279	}
	280
	281	if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
3043c045 WJ	282	strncmp(cmd, "dump", 4) != 0 &&
	283	strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
	284	strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
	285	strcmp(cmd, "biterr") != 0 &&
	286	strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
addb2e16 BS	287	goto usage;
	288
	289	/* the following commands operate on the current device */
6d0f6bcf	290	if (nand_curr_device < 0 \|\| nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE \|\|
addb2e16 BS	291	!nand_info[nand_curr_device].name) {
	292	puts("\nno devices available\n");
	293	return 1;
	294	}
	295	nand = &nand_info[nand_curr_device];
	296
	297	if (strcmp(cmd, "bad") == 0) {
	298	printf("\nDevice %d bad blocks:\n", nand_curr_device);
	299	for (off = 0; off < nand->size; off += nand->erasesize)
	300	if (nand_block_isbad(nand, off))
e870690b	301	printf(" %08lx\n", off);
addb2e16 BS	302	return 0;
	303	}
	304
856f0544 SR	305	/*
	306	* Syntax is:
	307	* 0 1 2 3 4
	308	* nand erase [clean] [off size]
	309	*/
2255b2d2 SR	310	if (strcmp(cmd, "erase") == 0 \|\| strcmp(cmd, "scrub") == 0) {
2255b2d2 SR	311	nand_erase_options_t opts;
856f0544	312	/* "clean" at index 2 means request to write cleanmarker */
3043c045	313	int clean = argc > 2 && !strcmp("clean", argv[2]);
856f0544	314	int o = clean ? 3 : 2;
2255b2d2 SR	315	int scrub = !strcmp(cmd, "scrub");
2255b2d2 SR	316
856f0544 SR	317	printf("\nNAND %s: ", scrub ? "scrub" : "erase");
	318	/* skip first two or three arguments, look for offset and size */
	319	if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
	320	return 1;
2255b2d2 SR	321
	322	memset(&opts, 0, sizeof(opts));
	323	opts.offset = off;
	324	opts.length = size;
	325	opts.jffs2 = clean;
	326	opts.quiet = quiet;
	327
	328	if (scrub) {
856f0544 SR	329	puts("Warning: "
	330	"scrub option will erase all factory set "
	331	"bad blocks!\n"
	332	" "
	333	"There is no reliable way to recover them.\n"
	334	" "
	335	"Use this command only for testing purposes "
	336	"if you\n"
	337	" "
	338	"are sure of what you are doing!\n"
	339	"\nReally scrub this NAND flash? <y/N>\n");
2255b2d2 SR	340
	341	if (getc() == 'y' && getc() == '\r') {
	342	opts.scrub = 1;
	343	} else {
856f0544	344	puts("scrub aborted\n");
2255b2d2 SR	345	return -1;
	346	}
	347	}
	348	ret = nand_erase_opts(nand, &opts);
addb2e16 BS	349	printf("%s\n", ret ? "ERROR" : "OK");
	350
	351	return ret == 0 ? 0 : 1;
	352	}
	353
	354	if (strncmp(cmd, "dump", 4) == 0) {
	355	if (argc < 3)
	356	goto usage;
	357
	358	s = strchr(cmd, '.');
	359	off = (int)simple_strtoul(argv[2], NULL, 16);
	360
	361	if (s != NULL && strcmp(s, ".oob") == 0)
9ad754fe	362	ret = nand_dump(nand, off, 1);
addb2e16	363	else
9ad754fe	364	ret = nand_dump(nand, off, 0);
addb2e16 BS	365
	366	return ret == 0 ? 1 : 0;
	367
	368	}
	369
addb2e16	370	if (strncmp(cmd, "read", 4) == 0 \|\| strncmp(cmd, "write", 5) == 0) {
2255b2d2 SR	371	int read;
2255b2d2 SR	372
addb2e16 BS	373	if (argc < 4)
addb2e16 BS	374	goto usage;
2255b2d2	375
addb2e16 BS	376	addr = (ulong)simple_strtoul(argv[2], NULL, 16);
addb2e16 BS	377
2255b2d2	378	read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
856f0544 SR	379	printf("\nNAND %s: ", read ? "read" : "write");
	380	if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
	381	return 1;
4cbb651b	382
2255b2d2	383	s = strchr(cmd, '.');
984e03cd SW	384	if (!s \|\| !strcmp(s, ".jffs2") \|\|
984e03cd SW	385	!strcmp(s, ".e") \|\| !strcmp(s, ".i")) {
dfbf617f SW	386	if (read)
dfbf617f SW	387	ret = nand_read_skip_bad(nand, off, &size,
4b070809	388	(u_char *)addr);
dfbf617f SW	389	else
dfbf617f SW	390	ret = nand_write_skip_bad(nand, off, &size,
4b070809	391	(u_char *)addr);
dfc99e14	392	} else if (!strcmp(s, ".oob")) {
cfa460ad WJ	393	/* out-of-band data */
	394	mtd_oob_ops_t ops = {
	395	.oobbuf = (u8 *)addr,
	396	.ooblen = size,
	397	.mode = MTD_OOB_RAW
	398	};
	399
62d4f436	400	if (read)
cfa460ad	401	ret = nand->read_oob(nand, off, &ops);
62d4f436	402	else
cfa460ad	403	ret = nand->write_oob(nand, off, &ops);
856f0544	404	} else {
984e03cd SW	405	printf("Unknown nand command suffix '%s'.\n", s);
984e03cd SW	406	return 1;
2255b2d2 SR	407	}
2255b2d2 SR	408
d4bade8d	409	printf(" %zu bytes %s: %s\n", size,
2255b2d2	410	read ? "read" : "written", ret ? "ERROR" : "OK");
addb2e16 BS	411
	412	return ret == 0 ? 0 : 1;
	413	}
2255b2d2	414
2255b2d2	415	if (strcmp(cmd, "markbad") == 0) {
8360b66b WD	416	argc -= 2;
8360b66b WD	417	argv += 2;
2255b2d2	418
8360b66b WD	419	if (argc <= 0)
	420	goto usage;
	421
	422	while (argc > 0) {
	423	addr = simple_strtoul(*argv, NULL, 16);
	424
	425	if (nand->block_markbad(nand, addr)) {
	426	printf("block 0x%08lx NOT marked "
	427	"as bad! ERROR %d\n",
	428	addr, ret);
	429	ret = 1;
	430	} else {
	431	printf("block 0x%08lx successfully "
	432	"marked as bad\n",
	433	addr);
	434	}
	435	--argc;
	436	++argv;
2255b2d2	437	}
8360b66b	438	return ret;
2255b2d2	439	}
dfbf617f	440
2255b2d2 SR	441	if (strcmp(cmd, "biterr") == 0) {
	442	/* todo */
	443	return 1;
	444	}
	445
50657c27	446	#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
2255b2d2	447	if (strcmp(cmd, "lock") == 0) {
50657c27	448	int tight = 0;
2255b2d2 SR	449	int status = 0;
	450	if (argc == 3) {
	451	if (!strcmp("tight", argv[2]))
	452	tight = 1;
	453	if (!strcmp("status", argv[2]))
	454	status = 1;
	455	}
2255b2d2	456	if (status) {
50657c27	457	do_nand_status(nand);
cfa460ad	458	} else {
5e1dae5c WJ	459	if (!nand_lock(nand, tight)) {
	460	puts("NAND flash successfully locked\n");
	461	} else {
	462	puts("Error locking NAND flash\n");
	463	return 1;
	464	}
2255b2d2 SR	465	}
	466	return 0;
	467	}
	468
	469	if (strcmp(cmd, "unlock") == 0) {
856f0544 SR	470	if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
856f0544 SR	471	return 1;
2255b2d2	472
5e1dae5c WJ	473	if (!nand_unlock(nand, off, size)) {
	474	puts("NAND flash successfully unlocked\n");
	475	} else {
	476	puts("Error unlocking NAND flash, "
3043c045	477	"write and erase will probably fail\n");
5e1dae5c WJ	478	return 1;
5e1dae5c WJ	479	}
2255b2d2 SR	480	return 0;
2255b2d2 SR	481	}
50657c27	482	#endif
2255b2d2	483
addb2e16	484	usage:
62c3ae7c	485	cmd_usage(cmdtp);
addb2e16 BS	486	return 1;
	487	}
	488
a89c33db WD	489	U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand,
	490	"NAND sub-system",
	491	"info - show available NAND devices\n"
	492	"nand device [dev] - show or set current device\n"
	493	"nand read - addr off\|partition size\n"
	494	"nand write - addr off\|partition size\n"
	495	" read/write 'size' bytes starting at offset 'off'\n"
	496	" to/from memory address 'addr', skipping bad blocks.\n"
	497	"nand erase [clean] [off size] - erase 'size' bytes from\n"
	498	" offset 'off' (entire device if not specified)\n"
	499	"nand bad - show bad blocks\n"
	500	"nand dump[.oob] off - dump page\n"
	501	"nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
	502	"nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
	503	"nand biterr off - make a bit error at offset (UNSAFE)"
50657c27	504	#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
a89c33db WD	505	"\n"
	506	"nand lock [tight] [status]\n"
	507	" bring nand to lock state or display locked pages\n"
	508	"nand unlock [offset] [size] - unlock section"
50657c27 NM	509	#endif
50657c27 NM	510	);
addb2e16	511
856f0544	512	static int nand_load_image(cmd_tbl_t cmdtp, nand_info_t nand,
4b070809	513	ulong offset, ulong addr, char *cmd)
addb2e16	514	{
addb2e16	515	int r;
10e03893	516	char ep, s;
4ca79f47	517	size_t cnt;
addb2e16	518	image_header_t *hdr;
09475f75	519	#if defined(CONFIG_FIT)
3bab76a2	520	const void *fit_hdr = NULL;
09475f75	521	#endif
10e03893 TK	522
	523	s = strchr(cmd, '.');
	524	if (s != NULL &&
65d8bc94	525	(strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
984e03cd SW	526	printf("Unknown nand load suffix '%s'\n", s);
	527	show_boot_progress(-53);
	528	return 1;
	529	}
addb2e16	530
856f0544	531	printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
addb2e16	532
cfa460ad	533	cnt = nand->writesize;
09875055	534	r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
addb2e16	535	if (r) {
856f0544	536	puts("** Read error\n");
fad63407	537	show_boot_progress (-56);
addb2e16 BS	538	return 1;
addb2e16 BS	539	}
fad63407	540	show_boot_progress (56);
addb2e16	541
9a4daad0	542	switch (genimg_get_format ((void *)addr)) {
d5934ad7 MB	543	case IMAGE_FORMAT_LEGACY:
	544	hdr = (image_header_t *)addr;
	545
d5934ad7	546	show_boot_progress (57);
d5934ad7	547	image_print_contents (hdr);
addb2e16	548
d5934ad7 MB	549	cnt = image_get_image_size (hdr);
	550	break;
	551	#if defined(CONFIG_FIT)
	552	case IMAGE_FORMAT_FIT:
09475f75	553	fit_hdr = (const void *)addr;
09475f75 MB	554	puts ("Fit image detected...\n");
	555
	556	cnt = fit_get_size (fit_hdr);
	557	break;
d5934ad7 MB	558	#endif
d5934ad7 MB	559	default:
09475f75	560	show_boot_progress (-57);
d5934ad7	561	puts ("** Unknown image type\n");
addb2e16 BS	562	return 1;
addb2e16 BS	563	}
3043c045	564	show_boot_progress (57);
addb2e16	565
09875055	566	r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
addb2e16	567	if (r) {
856f0544	568	puts("** Read error\n");
fad63407	569	show_boot_progress (-58);
addb2e16 BS	570	return 1;
addb2e16 BS	571	}
fad63407	572	show_boot_progress (58);
addb2e16	573
09475f75 MB	574	#if defined(CONFIG_FIT)
09475f75 MB	575	/* This cannot be done earlier, we need complete FIT image in RAM first */
3bab76a2 MB	576	if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
	577	if (!fit_check_format (fit_hdr)) {
	578	show_boot_progress (-150);
	579	puts ("** Bad FIT image format\n");
	580	return 1;
	581	}
	582	show_boot_progress (151);
	583	fit_print_contents (fit_hdr);
	584	}
09475f75 MB	585	#endif
09475f75 MB	586
addb2e16 BS	587	/* Loading ok, update default load address */
	588
	589	load_addr = addr;
	590
	591	/* Check if we should attempt an auto-start */
	592	if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
	593	char *local_args[2];
	594	extern int do_bootm(cmd_tbl_t , int, int, char []);
	595
856f0544	596	local_args[0] = cmd;
addb2e16 BS	597	local_args[1] = NULL;
	598
	599	printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
	600
	601	do_bootm(cmdtp, 0, 1, local_args);
	602	return 1;
	603	}
	604	return 0;
	605	}
	606
856f0544 SR	607	int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
	608	{
	609	char *boot_device = NULL;
	610	int idx;
	611	ulong addr, offset = 0;
0c8a8491	612	#if defined(CONFIG_CMD_MTDPARTS)
856f0544 SR	613	struct mtd_device *dev;
	614	struct part_info *part;
	615	u8 pnum;
	616
	617	if (argc >= 2) {
	618	char *p = (argc == 2) ? argv[1] : argv[2];
	619	if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
	620	(find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
	621	if (dev->id->type != MTD_DEV_TYPE_NAND) {
	622	puts("Not a NAND device\n");
	623	return 1;
	624	}
	625	if (argc > 3)
	626	goto usage;
	627	if (argc == 3)
10e03893	628	addr = simple_strtoul(argv[1], NULL, 16);
856f0544	629	else
6d0f6bcf	630	addr = CONFIG_SYS_LOAD_ADDR;
856f0544	631	return nand_load_image(cmdtp, &nand_info[dev->id->num],
4b070809	632	part->offset, addr, argv[0]);
856f0544 SR	633	}
	634	}
	635	#endif
	636
fad63407	637	show_boot_progress(52);
856f0544 SR	638	switch (argc) {
856f0544 SR	639	case 1:
6d0f6bcf	640	addr = CONFIG_SYS_LOAD_ADDR;
856f0544 SR	641	boot_device = getenv("bootdevice");
	642	break;
	643	case 2:
	644	addr = simple_strtoul(argv[1], NULL, 16);
	645	boot_device = getenv("bootdevice");
	646	break;
	647	case 3:
	648	addr = simple_strtoul(argv[1], NULL, 16);
	649	boot_device = argv[2];
	650	break;
	651	case 4:
	652	addr = simple_strtoul(argv[1], NULL, 16);
	653	boot_device = argv[2];
	654	offset = simple_strtoul(argv[3], NULL, 16);
	655	break;
	656	default:
0c8a8491	657	#if defined(CONFIG_CMD_MTDPARTS)
856f0544 SR	658	usage:
856f0544 SR	659	#endif
62c3ae7c	660	cmd_usage(cmdtp);
fad63407	661	show_boot_progress(-53);
856f0544 SR	662	return 1;
	663	}
	664
fad63407	665	show_boot_progress(53);
856f0544 SR	666	if (!boot_device) {
856f0544 SR	667	puts("\n No boot device \n");
fad63407	668	show_boot_progress(-54);
856f0544 SR	669	return 1;
856f0544 SR	670	}
fad63407	671	show_boot_progress(54);
addb2e16	672
856f0544 SR	673	idx = simple_strtoul(boot_device, NULL, 16);
856f0544 SR	674
6d0f6bcf	675	if (idx < 0 \|\| idx >= CONFIG_SYS_MAX_NAND_DEVICE \|\| !nand_info[idx].name) {
856f0544	676	printf("\n** Device %d not available\n", idx);
fad63407	677	show_boot_progress(-55);
856f0544 SR	678	return 1;
856f0544 SR	679	}
fad63407	680	show_boot_progress(55);
856f0544 SR	681
	682	return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
	683	}
	684
	685	U_BOOT_CMD(nboot, 4, 1, do_nandboot,
2fb2604d	686	"boot from NAND device",
a89c33db WD	687	"[partition] \| [[[loadAddr] dev] offset]"
a89c33db WD	688	);
c76fe474	689	#endif