cmd_nand.c

		if (image_check_magic (hdr)) {

			image_print_contents (hdr);

			cnt = image_get_image_size (hdr);
			cnt -= SECTORSIZE;
		} else {
			printf ("\n** Bad Magic Number 0x%x **\n",
					image_get_magic (hdr));
			show_boot_progress (-57);
			return 1;
		}
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		fit_unsupported ("nboot");
		return 1;
#endif
	default:
		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);

	/* 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 */