cmd_nand.c

	printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n",
		dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
		offset);

	if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset,
			SECTORSIZE, NULL, (u_char *)addr)) {
		printf ("** Read error on %d\n", dev);
		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;
		image_print_contents (hdr);

		cnt = image_get_image_size (hdr);
		cnt -= SECTORSIZE;
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		fit_hdr = (const void *)addr;
		if (!fit_check_format (fit_hdr)) {
			show_boot_progress (-150);
			puts ("** Bad FIT image format\n");
			return 1;
		}
		show_boot_progress (151);
		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);

	if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ,
			offset + SECTORSIZE, cnt, NULL,
			(u_char *)(addr+SECTORSIZE))) {
		printf ("** Read error on %d\n", dev);
		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)
		fit_print_contents ((const void *)addr);
#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] = argv[0];
		local_args[1] = NULL;

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

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

U_BOOT_CMD(
	nboot,	4,	1,	do_nandboot,
	"nboot   - boot from NAND device\n",
	"loadAddr dev\n"
);

#endif

#endif /* CFG_NAND_LEGACY */