* (C) Copyright 2006-2007 OpenMoko, Inc.
* Added 16-bit nand support
* (C) 2004 Texas Instruments
+ *
+ * Copyright 2010, 2012 Freescale Semiconductor
+ * The portions of this file whose copyright is held by Freescale and which
+ * are not considered a derived work of GPL v2-only code may be distributed
+ * and/or modified under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
*/
#include <common.h>
u8 *part_num, struct part_info **part);
#endif
-static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
+static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
{
int i;
u_char *datbuf, *oobbuf, *p;
+ static loff_t last;
+ int ret = 0;
+
+ if (repeat)
+ off = last + nand->writesize;
+
+ last = off;
- datbuf = malloc(nand->writesize + nand->oobsize);
- oobbuf = malloc(nand->oobsize);
- if (!datbuf || !oobbuf) {
+ datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
+ if (!datbuf) {
puts("No memory for page buffer\n");
return 1;
}
+
+ oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
+ if (!oobbuf) {
+ puts("No memory for page buffer\n");
+ ret = 1;
+ goto free_dat;
+ }
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.oobbuf = oobbuf;
ops.len = nand->writesize;
ops.ooblen = nand->oobsize;
- ops.mode = MTD_OOB_RAW;
- i = nand->read_oob(nand, addr, &ops);
+ ops.mode = MTD_OPS_RAW;
+ i = mtd_read_oob(nand, addr, &ops);
if (i < 0) {
printf("Error (%d) reading page %08lx\n", i, off);
- free(datbuf);
- free(oobbuf);
- return 1;
+ ret = 1;
+ goto free_all;
}
printf("Page %08lx dump:\n", off);
- i = nand->writesize >> 4;
- p = datbuf;
- while (i--) {
- if (!only_oob)
+ if (!only_oob) {
+ i = nand->writesize >> 4;
+ p = datbuf;
+
+ while (i--) {
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;
+ p += 16;
+ }
}
+
puts("OOB:\n");
i = nand->oobsize >> 3;
+ p = oobbuf;
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_all:
free(oobbuf);
+free_dat:
+ free(datbuf);
- return 0;
+ return ret;
}
/* ------------------------------------------------------------------------- */
-static inline int str2long(char *p, ulong *num)
+static int set_dev(int dev)
{
- char *endptr;
-
- *num = simple_strtoul(p, &endptr, 16);
- return (*p != '\0' && *endptr == '\0') ? 1 : 0;
-}
-
-static int
-arg_off_size(int argc, char * const 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;
- }
+ if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
+ !nand_info[dev].name) {
+ puts("No such device\n");
+ return -1;
}
-#endif
- if (argc >= 1) {
- if (!(str2long(argv[0], off))) {
- printf("'%s' is not a number\n", argv[0]);
- return -1;
- }
- } else {
- *off = 0;
- }
+ if (nand_curr_device == dev)
+ return 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;
- }
+ printf("Device %d: %s", dev, nand_info[dev].name);
+ puts("... is now current device\n");
+ nand_curr_device = dev;
-#if defined(CONFIG_CMD_MTDPARTS)
-out:
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
+ board_nand_select_device(nand_info[dev].priv, dev);
#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)
{
+ /*
+ * Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is
+ * not the same as others. Instead of bit 1 being lock, it is
+ * #lock_tight. To make the driver support either format, ignore bit 1
+ * and use only bit 0 and bit 2.
+ */
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) ? "LOCK " : ""),
((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
}
#ifdef CONFIG_ENV_OFFSET_OOB
unsigned long nand_env_oob_offset;
-int do_nand_env_oob(cmd_tbl_t *cmdtp, nand_info_t *nand,
- int argc, char * const argv[])
+int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
{
int ret;
uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
-
+ nand_info_t *nand = &nand_info[0];
char *cmd = argv[1];
+ if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) {
+ puts("no devices available\n");
+ return 1;
+ }
+
+ set_dev(0);
+
if (!strcmp(cmd, "get")) {
ret = get_nand_env_oob(nand, &nand_env_oob_offset);
if (ret)
printf("0x%08lx\n", nand_env_oob_offset);
} else if (!strcmp(cmd, "set")) {
- ulong addr;
- size_t dummy_size;
+ loff_t addr;
+ loff_t maxsize;
struct mtd_oob_ops ops;
+ int idx = 0;
if (argc < 3)
goto usage;
- if (arg_off_size(argc - 2, argv + 2, nand, &addr,
- &dummy_size) < 0) {
- printf("Offset or partition name expected\n");
+ /* We don't care about size, or maxsize. */
+ if (mtd_arg_off(argv[2], &idx, &addr, &maxsize, &maxsize,
+ MTD_DEV_TYPE_NAND, nand_info[idx].size)) {
+ puts("Offset or partition name expected\n");
+ return 1;
+ }
+ if (set_dev(idx)) {
+ puts("Offset or partition name expected\n");
+ return 1;
+ }
+
+ if (idx != 0) {
+ puts("Partition not on first NAND device\n");
return 1;
}
if (addr != nand_env_oob_offset) {
printf("Verification of env offset in OOB failed: "
- "0x%08lx expected but got 0x%08lx\n",
- addr, nand_env_oob_offset);
+ "0x%08llx expected but got 0x%08lx\n",
+ (unsigned long long)addr, nand_env_oob_offset);
return 1;
}
} else {
return ret;
usage:
- cmd_usage(cmdtp);
- return 1;
+ return CMD_RET_USAGE;
}
#endif
-static void nand_print_info(int idx)
+static void nand_print_and_set_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);
+ printf(" Page size %8d b\n", nand->writesize);
+ printf(" OOB size %8d b\n", nand->oobsize);
+ printf(" Erase size %8d b\n", nand->erasesize);
+ printf(" subpagesize %8d b\n", chip->subpagesize);
+ printf(" options 0x%8x\n", chip->options);
+ printf(" bbt options 0x%8x\n", chip->bbt_options);
+
+ /* Set geometry info */
+ setenv_hex("nand_writesize", nand->writesize);
+ setenv_hex("nand_oobsize", nand->oobsize);
+ setenv_hex("nand_erasesize", nand->erasesize);
}
-int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
+ int read)
{
- int i, dev, ret = 0;
- ulong addr, off;
- size_t size;
+ int ret = 0;
+
+ while (count--) {
+ /* Raw access */
+ mtd_oob_ops_t ops = {
+ .datbuf = (u8 *)addr,
+ .oobbuf = ((u8 *)addr) + nand->writesize,
+ .len = nand->writesize,
+ .ooblen = nand->oobsize,
+ .mode = MTD_OPS_RAW
+ };
+
+ if (read) {
+ ret = mtd_read_oob(nand, off, &ops);
+ } else {
+ ret = mtd_write_oob(nand, off, &ops);
+ if (!ret)
+ ret = nand_verify_page_oob(nand, &ops, off);
+ }
+
+ if (ret) {
+ printf("%s: error at offset %llx, ret %d\n",
+ __func__, (long long)off, ret);
+ break;
+ }
+
+ addr += nand->writesize + nand->oobsize;
+ off += nand->writesize;
+ }
+
+ return ret;
+}
+
+/* Adjust a chip/partition size down for bad blocks so we don't
+ * read/write past the end of a chip/partition by accident.
+ */
+static void adjust_size_for_badblocks(loff_t *size, loff_t offset, int dev)
+{
+ /* We grab the nand info object here fresh because this is usually
+ * called after arg_off_size() which can change the value of dev.
+ */
+ nand_info_t *nand = &nand_info[dev];
+ loff_t maxoffset = offset + *size;
+ int badblocks = 0;
+
+ /* count badblocks in NAND from offset to offset + size */
+ for (; offset < maxoffset; offset += nand->erasesize) {
+ if (nand_block_isbad(nand, offset))
+ badblocks++;
+ }
+ /* adjust size if any bad blocks found */
+ if (badblocks) {
+ *size -= badblocks * nand->erasesize;
+ printf("size adjusted to 0x%llx (%d bad blocks)\n",
+ (unsigned long long)*size, badblocks);
+ }
+}
+
+static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int i, ret = 0;
+ ulong addr;
+ loff_t off, size, maxsize;
char *cmd, *s;
nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
int quiet = 0;
#endif
const char *quiet_str = getenv("quiet");
+ int dev = nand_curr_device;
+ int repeat = flag & CMD_FLAG_REPEAT;
/* at least two arguments please */
if (argc < 2)
cmd = argv[1];
+ /* Only "dump" is repeatable. */
+ if (repeat && strcmp(cmd, "dump"))
+ return CMD_RET_FAILURE;
+
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);
+ nand_print_and_set_info(i);
}
- return 0;
+ return CMD_RET_SUCCESS;
}
if (strcmp(cmd, "device") == 0) {
-
if (argc < 3) {
putc('\n');
- if ((nand_curr_device < 0) ||
- (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
+ if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
puts("no devices available\n");
else
- nand_print_info(nand_curr_device);
- return 0;
+ nand_print_and_set_info(dev);
+ return CMD_RET_SUCCESS;
}
- 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
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+ set_dev(dev);
- return 0;
+ return CMD_RET_SUCCESS;
}
- 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
-#ifdef CONFIG_ENV_OFFSET_OOB
- && strcmp(cmd, "env.oob") != 0
-#endif
- )
- goto usage;
-
#ifdef CONFIG_ENV_OFFSET_OOB
/* this command operates only on the first nand device */
- if (strcmp(cmd, "env.oob") == 0) {
- return do_nand_env_oob(cmdtp, &nand_info[0],
- argc - 1, argv + 1);
- }
+ if (strcmp(cmd, "env.oob") == 0)
+ return do_nand_env_oob(cmdtp, argc - 1, argv + 1) ?
+ CMD_RET_FAILURE : CMD_RET_SUCCESS;;
#endif
- /* 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) {
+ /* The following commands operate on the current device, unless
+ * overridden by a partition specifier. Note that if somehow the
+ * current device is invalid, it will have to be changed to a valid
+ * one before these commands can run, even if a partition specifier
+ * for another device is to be used.
+ */
+ if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
+ !nand_info[dev].name) {
puts("\nno devices available\n");
- return 1;
+ return CMD_RET_FAILURE;
}
- nand = &nand_info[nand_curr_device];
+ nand = &nand_info[dev];
if (strcmp(cmd, "bad") == 0) {
- printf("\nDevice %d bad blocks:\n", nand_curr_device);
+ printf("\nDevice %d bad blocks:\n", dev);
for (off = 0; off < nand->size; off += nand->erasesize)
if (nand_block_isbad(nand, off))
- printf(" %08lx\n", off);
- return 0;
+ printf(" %08llx\n", (unsigned long long)off);
+ return CMD_RET_SUCCESS;
}
/*
* 0 1 2 3 4
* nand erase [clean] [off size]
*/
- if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
+ if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 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");
+ int scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
+ int o = (clean || scrub_yes) ? 3 : 2;
+ int scrub = !strncmp(cmd, "scrub", 5);
+ int spread = 0;
+ int args = 2;
+ const char *scrub_warn =
+ "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 (cmd[5] != 0) {
+ if (!strcmp(&cmd[5], ".spread")) {
+ spread = 1;
+ } else if (!strcmp(&cmd[5], ".part")) {
+ args = 1;
+ } else if (!strcmp(&cmd[5], ".chip")) {
+ args = 0;
+ } else {
+ goto usage;
+ }
+ }
- printf("\nNAND %s: ", scrub ? "scrub" : "erase");
+ /*
+ * Don't allow missing arguments to cause full chip/partition
+ * erases -- easy to do accidentally, e.g. with a misspelled
+ * variable name.
+ */
+ if (argc != o + args)
+ goto usage;
+
+ printf("\nNAND %s: ", cmd);
/* 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;
+ if (mtd_arg_off_size(argc - o, argv + o, &dev, &off, &size,
+ &maxsize, MTD_DEV_TYPE_NAND,
+ nand_info[dev].size) != 0)
+ return CMD_RET_FAILURE;
+
+ if (set_dev(dev))
+ return CMD_RET_FAILURE;
+
+ nand = &nand_info[dev];
memset(&opts, 0, sizeof(opts));
opts.offset = off;
opts.length = size;
opts.jffs2 = clean;
opts.quiet = quiet;
+ opts.spread = spread;
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')
+ if (scrub_yes) {
+ opts.scrub = 1;
+ } else {
+ puts(scrub_warn);
+ if (confirm_yesno()) {
opts.scrub = 1;
- else {
+ } else {
puts("scrub aborted\n");
- return -1;
+ return CMD_RET_FAILURE;
}
- } else {
- puts("scrub aborted\n");
- return -1;
}
}
ret = nand_erase_opts(nand, &opts);
printf("%s\n", ret ? "ERROR" : "OK");
- return ret == 0 ? 0 : 1;
+ return ret == 0 ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
if (strncmp(cmd, "dump", 4) == 0) {
if (argc < 3)
goto usage;
- s = strchr(cmd, '.');
off = (int)simple_strtoul(argv[2], NULL, 16);
+ ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
- 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;
-
+ return ret == 0 ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
+ size_t rwsize;
+ ulong pagecount = 1;
int read;
+ int raw = 0;
if (argc < 4)
goto usage;
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, ".raw")) {
+ raw = 1;
+
+ if (mtd_arg_off(argv[3], &dev, &off, &size, &maxsize,
+ MTD_DEV_TYPE_NAND,
+ nand_info[dev].size))
+ return CMD_RET_FAILURE;
+
+ if (set_dev(dev))
+ return CMD_RET_FAILURE;
+
+ nand = &nand_info[dev];
+
+ if (argc > 4 && !str2long(argv[4], &pagecount)) {
+ printf("'%s' is not a number\n", argv[4]);
+ return CMD_RET_FAILURE;
+ }
+
+ if (pagecount * nand->writesize > size) {
+ puts("Size exceeds partition or device limit\n");
+ return CMD_RET_FAILURE;
+ }
+
+ rwsize = pagecount * (nand->writesize + nand->oobsize);
+ } else {
+ if (mtd_arg_off_size(argc - 3, argv + 3, &dev, &off,
+ &size, &maxsize,
+ MTD_DEV_TYPE_NAND,
+ nand_info[dev].size) != 0)
+ return CMD_RET_FAILURE;
+
+ if (set_dev(dev))
+ return CMD_RET_FAILURE;
+
+ /* size is unspecified */
+ if (argc < 5)
+ adjust_size_for_badblocks(&size, off, dev);
+ rwsize = size;
+ }
+
+ nand = &nand_info[dev];
+
if (!s || !strcmp(s, ".jffs2") ||
!strcmp(s, ".e") || !strcmp(s, ".i")) {
if (read)
- ret = nand_read_skip_bad(nand, off, &size,
+ ret = nand_read_skip_bad(nand, off, &rwsize,
+ NULL, maxsize,
(u_char *)addr);
else
- ret = nand_write_skip_bad(nand, off, &size,
- (u_char *)addr);
+ ret = nand_write_skip_bad(nand, off, &rwsize,
+ NULL, maxsize,
+ (u_char *)addr,
+ WITH_WR_VERIFY);
+#ifdef CONFIG_CMD_NAND_TRIMFFS
+ } else if (!strcmp(s, ".trimffs")) {
+ if (read) {
+ printf("Unknown nand command suffix '%s'\n", s);
+ return CMD_RET_FAILURE;
+ }
+ ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
+ maxsize, (u_char *)addr,
+ WITH_DROP_FFS | WITH_WR_VERIFY);
+#endif
} else if (!strcmp(s, ".oob")) {
/* out-of-band data */
mtd_oob_ops_t ops = {
.oobbuf = (u8 *)addr,
- .ooblen = size,
- .mode = MTD_OOB_RAW
+ .ooblen = rwsize,
+ .mode = MTD_OPS_RAW
};
if (read)
- ret = nand->read_oob(nand, off, &ops);
+ ret = mtd_read_oob(nand, off, &ops);
else
- ret = nand->write_oob(nand, off, &ops);
+ ret = mtd_write_oob(nand, off, &ops);
+ } else if (raw) {
+ ret = raw_access(nand, addr, off, pagecount, read);
} else {
printf("Unknown nand command suffix '%s'.\n", s);
- return 1;
+ return CMD_RET_FAILURE;
}
- printf(" %zu bytes %s: %s\n", size,
+ printf(" %zu bytes %s: %s\n", rwsize,
read ? "read" : "written", ret ? "ERROR" : "OK");
- return ret == 0 ? 0 : 1;
+ return ret == 0 ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
+#ifdef CONFIG_CMD_NAND_TORTURE
+ if (strcmp(cmd, "torture") == 0) {
+ if (argc < 3)
+ goto usage;
+
+ if (!str2off(argv[2], &off)) {
+ puts("Offset is not a valid number\n");
+ return CMD_RET_FAILURE;
+ }
+
+ printf("\nNAND torture: device %d offset 0x%llx size 0x%x\n",
+ dev, off, nand->erasesize);
+ ret = nand_torture(nand, off);
+ printf(" %s\n", ret ? "Failed" : "Passed");
+
+ return ret == 0 ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
+ }
+#endif
+
if (strcmp(cmd, "markbad") == 0) {
argc -= 2;
argv += 2;
while (argc > 0) {
addr = simple_strtoul(*argv, NULL, 16);
- if (nand->block_markbad(nand, addr)) {
+ if (mtd_block_markbad(nand, addr)) {
printf("block 0x%08lx NOT marked "
"as bad! ERROR %d\n",
addr, ret);
--argc;
++argv;
}
- return ret;
+ return ret == 0 ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
if (strcmp(cmd, "biterr") == 0) {
/* todo */
- return 1;
+ return CMD_RET_FAILURE;
}
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
puts("NAND flash successfully locked\n");
} else {
puts("Error locking NAND flash\n");
- return 1;
+ return CMD_RET_FAILURE;
}
}
- return 0;
+ return CMD_RET_SUCCESS;
}
- if (strcmp(cmd, "unlock") == 0) {
- if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
- return 1;
+ if (strncmp(cmd, "unlock", 5) == 0) {
+ int allexcept = 0;
+
+ s = strchr(cmd, '.');
+
+ if (s && !strcmp(s, ".allexcept"))
+ allexcept = 1;
+
+ if (mtd_arg_off_size(argc - 2, argv + 2, &dev, &off, &size,
+ &maxsize, MTD_DEV_TYPE_NAND,
+ nand_info[dev].size) < 0)
+ return CMD_RET_FAILURE;
- if (!nand_unlock(nand, off, size)) {
+ if (set_dev(dev))
+ return CMD_RET_FAILURE;
+
+ if (!nand_unlock(&nand_info[dev], off, size, allexcept)) {
puts("NAND flash successfully unlocked\n");
} else {
puts("Error unlocking NAND flash, "
"write and erase will probably fail\n");
- return 1;
+ return CMD_RET_FAILURE;
}
- return 0;
+ return CMD_RET_SUCCESS;
}
#endif
usage:
- cmd_usage(cmdtp);
- return 1;
+ return CMD_RET_USAGE;
}
-U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand,
- "NAND sub-system",
+#ifdef CONFIG_SYS_LONGHELP
+static char nand_help_text[] =
"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 read.raw - addr off|partition [count]\n"
+ "nand write.raw - addr off|partition [count]\n"
+ " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n"
+#ifdef CONFIG_CMD_NAND_TRIMFFS
+ "nand write.trimffs - addr off|partition size\n"
+ " write 'size' bytes starting at offset 'off' from memory address\n"
+ " 'addr', skipping bad blocks and dropping any pages at the end\n"
+ " of eraseblocks that contain only 0xFF\n"
+#endif
+ "nand erase[.spread] [clean] off size - erase 'size' bytes "
+ "from offset 'off'\n"
+ " With '.spread', erase enough for given file size, otherwise,\n"
+ " 'size' includes skipped bad blocks.\n"
+ "nand erase.part [clean] partition - erase entire mtd partition'\n"
+ "nand erase.chip [clean] - erase entire chip'\n"
"nand bad - show bad blocks\n"
"nand dump[.oob] off - dump page\n"
- "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
+#ifdef CONFIG_CMD_NAND_TORTURE
+ "nand torture off - torture block at offset\n"
+#endif
+ "nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
+ " 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"
+ "nand unlock[.allexcept] [offset] [size] - unlock section"
#endif
#ifdef CONFIG_ENV_OFFSET_OOB
"\n"
"nand env.oob set off|partition - set enviromnent offset\n"
"nand env.oob get - get environment offset"
#endif
+ "";
+#endif
+
+U_BOOT_CMD(
+ nand, CONFIG_SYS_MAXARGS, 1, do_nand,
+ "NAND sub-system", nand_help_text
);
static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
ulong offset, ulong addr, char *cmd)
{
int r;
- char *ep, *s;
+ char *s;
size_t cnt;
+#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
image_header_t *hdr;
+#endif
#if defined(CONFIG_FIT)
const void *fit_hdr = NULL;
#endif
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;
+ bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
+ return CMD_RET_FAILURE;
}
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);
+ r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size,
+ (u_char *)addr);
if (r) {
puts("** Read error\n");
- show_boot_progress (-56);
- return 1;
+ bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
+ return CMD_RET_FAILURE;
}
- show_boot_progress (56);
+ bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
switch (genimg_get_format ((void *)addr)) {
+#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
hdr = (image_header_t *)addr;
- show_boot_progress (57);
+ bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
image_print_contents (hdr);
cnt = image_get_image_size (hdr);
break;
+#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = (const void *)addr;
break;
#endif
default:
- show_boot_progress (-57);
+ bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
puts ("** Unknown image type\n");
- return 1;
+ return CMD_RET_FAILURE;
}
- show_boot_progress (57);
+ bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
- r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
+ r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size,
+ (u_char *)addr);
if (r) {
puts("** Read error\n");
- show_boot_progress (-58);
- return 1;
+ bootstage_error(BOOTSTAGE_ID_NAND_READ);
+ return CMD_RET_FAILURE;
}
- show_boot_progress (58);
+ bootstage_mark(BOOTSTAGE_ID_NAND_READ);
#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);
+ bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ);
puts ("** Bad FIT image format\n");
- return 1;
+ return CMD_RET_FAILURE;
}
- show_boot_progress (151);
+ bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
fit_print_contents (fit_hdr);
}
#endif
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;
+ if (bootm_maybe_autostart(cmdtp, cmd))
+ return CMD_RET_FAILURE;
- printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
-
- do_bootm(cmdtp, 0, 1, local_args);
- return 1;
- }
- return 0;
+ return CMD_RET_SUCCESS;
}
-int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
{
char *boot_device = NULL;
int idx;
(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;
+ return CMD_RET_FAILURE;
}
if (argc > 3)
goto usage;
}
#endif
- show_boot_progress(52);
+ bootstage_mark(BOOTSTAGE_ID_NAND_PART);
switch (argc) {
case 1:
addr = CONFIG_SYS_LOAD_ADDR;
#if defined(CONFIG_CMD_MTDPARTS)
usage:
#endif
- cmd_usage(cmdtp);
- show_boot_progress(-53);
- return 1;
+ bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
+ return CMD_RET_USAGE;
}
+ bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX);
- show_boot_progress(53);
if (!boot_device) {
puts("\n** No boot device **\n");
- show_boot_progress(-54);
- return 1;
+ bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
+ return CMD_RET_FAILURE;
}
- show_boot_progress(54);
+ bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
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;
+ bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
+ return CMD_RET_FAILURE;
}
- show_boot_progress(55);
+ bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE);
return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
}
projects / karo-tx-uboot.git / blobdiff