Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 683 insertions, 0 deletions

diff --git a/roms/u-boot-sam460ex/common/cmd_nand.c b/roms/u-boot-sam460ex/common/cmd_nand.c
new file mode 100644
index 000000000..f611fd771
--- /dev/null
+++ b/roms/u-boot-sam460ex/common/cmd_nand.c
@@ -0,0 +1,683 @@
+/*
+ * Driver for NAND support, Rick Bronson
+ * borrowed heavily from:
+ * (c) 1999 Machine Vision Holdings, Inc.
+ * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
+ *
+ * Added 16-bit nand support
+ * (C) 2004 Texas Instruments
+ */
+
+#include <common.h>
+#include <linux/mtd/mtd.h>
+#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)
+
+/* partition 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') {
+				puts("y");
+				if (getc() == '\r')
+					opts.scrub = 1;
+				else {
+					puts("scrub aborted\n");
+					return -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]"
+);