* Added 16-bit nand support
* (C) 2004 Texas Instruments
*
- * Copyright 2010 Freescale Semiconductor
+ * 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
last = off;
- datbuf = malloc(nand->writesize);
- oobbuf = malloc(nand->oobsize);
+ datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
+ oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
if (!datbuf || !oobbuf) {
puts("No memory for page buffer\n");
return 1;
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);
return *p != '\0' && *endptr == '\0';
}
-static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size)
+static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size,
+ loff_t *maxsize)
{
#ifdef CONFIG_CMD_MTDPARTS
struct mtd_device *dev;
*off = part->offset;
*size = part->size;
+ *maxsize = part->size;
*idx = dev->id->num;
ret = set_dev(*idx);
#endif
}
-static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize)
+static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *size,
+ loff_t *maxsize)
{
if (!str2off(arg, off))
- return get_part(arg, idx, off, maxsize);
+ return get_part(arg, idx, off, size, maxsize);
if (*off >= nand_info[*idx].size) {
puts("Offset exceeds device limit\n");
}
*maxsize = nand_info[*idx].size - *off;
+ *size = *maxsize;
return 0;
}
static int arg_off_size(int argc, char *const argv[], int *idx,
- loff_t *off, loff_t *size)
+ loff_t *off, loff_t *size, loff_t *maxsize)
{
int ret;
- loff_t maxsize;
if (argc == 0) {
*off = 0;
*size = nand_info[*idx].size;
+ *maxsize = *size;
goto print;
}
- ret = arg_off(argv[0], idx, off, &maxsize);
+ ret = arg_off(argv[0], idx, off, size, maxsize);
if (ret)
return ret;
- if (argc == 1) {
- *size = maxsize;
+ if (argc == 1)
goto print;
- }
if (!str2off(argv[1], size)) {
printf("'%s' is not a number\n", argv[1]);
return -1;
}
- if (*size > maxsize) {
+ if (*size > *maxsize) {
puts("Size exceeds partition or device limit\n");
return -1;
}
#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 " : ""));
}
if (argc < 3)
goto usage;
- if (arg_off(argv[2], &idx, &addr, &maxsize)) {
+ /* We don't care about size, or maxsize. */
+ if (arg_off(argv[2], &idx, &addr, &maxsize, &maxsize)) {
puts("Offset or partition name expected\n");
return 1;
}
return ret;
usage:
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
#endif
{
nand_info_t *nand = &nand_info[idx];
struct nand_chip *chip = nand->priv;
- const int bufsz = 32;
- char buf[bufsz];
printf("Device %d: ", idx);
if (chip->numchips > 1)
printf(" Erase size %8d b\n", nand->erasesize);
/* Set geometry info */
- sprintf(buf, "%x", nand->writesize);
- setenv("nand_writesize", buf);
+ setenv_hex("nand_writesize", nand->writesize);
+ setenv_hex("nand_oobsize", nand->oobsize);
+ setenv_hex("nand_erasesize", nand->erasesize);
+}
+
+static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
+ int read)
+{
+ 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) {
+ printf("%s: error at offset %llx, ret %d\n",
+ __func__, (long long)off, ret);
+ break;
+ }
+
+ addr += nand->writesize + nand->oobsize;
+ off += nand->writesize;
+ }
- sprintf(buf, "%x", nand->oobsize);
- setenv("nand_oobsize", buf);
+ return ret;
+}
- sprintf(buf, "%x", nand->erasesize);
- setenv("nand_erasesize", buf);
+/* 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);
+ }
}
-int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+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;
+ loff_t off, size, maxsize;
char *cmd, *s;
nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
/* Only "dump" is repeatable. */
if (repeat && strcmp(cmd, "dump"))
- return 0;
+ return CMD_RET_FAILURE;
if (strcmp(cmd, "info") == 0) {
if (nand_info[i].name)
nand_print_and_set_info(i);
}
- return 0;
+ return CMD_RET_SUCCESS;
}
if (strcmp(cmd, "device") == 0) {
puts("no devices available\n");
else
nand_print_and_set_info(dev);
- return 0;
+ return CMD_RET_SUCCESS;
}
dev = (int)simple_strtoul(argv[2], NULL, 10);
set_dev(dev);
- return 0;
+ return CMD_RET_SUCCESS;
}
#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, argc - 1, argv + 1);
+ 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, unless
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[dev];
for (off = 0; off < nand->size; off += nand->erasesize)
if (nand_block_isbad(nand, off))
printf(" %08llx\n", (unsigned long long)off);
- return 0;
+ return CMD_RET_SUCCESS;
}
/*
printf("\nNAND %s: ", cmd);
/* skip first two or three arguments, look for offset and size */
- if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0)
- return 1;
+ if (arg_off_size(argc - o, argv + o, &dev, &off, &size,
+ &maxsize) != 0)
+ return CMD_RET_FAILURE;
nand = &nand_info[dev];
opts.scrub = 1;
else {
puts("scrub aborted\n");
- return -1;
+ return CMD_RET_FAILURE;
}
} else {
puts("scrub aborted\n");
- return -1;
+ return CMD_RET_FAILURE;
}
}
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) {
off = (int)simple_strtoul(argv[2], NULL, 16);
ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
- 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, &dev, &off, &size) != 0)
- return 1;
nand = &nand_info[dev];
- rwsize = size;
s = strchr(cmd, '.');
+
+ if (s && !strcmp(s, ".raw")) {
+ raw = 1;
+
+ if (arg_off(argv[3], &dev, &off, &size, &maxsize))
+ return 1;
+
+ if (argc > 4 && !str2long(argv[4], &pagecount)) {
+ printf("'%s' is not a number\n", argv[4]);
+ return 1;
+ }
+
+ if (pagecount * nand->writesize > size) {
+ puts("Size exceeds partition or device limit\n");
+ return -1;
+ }
+
+ rwsize = pagecount * (nand->writesize + nand->oobsize);
+ } else {
+ if (arg_off_size(argc - 3, argv + 3, &dev,
+ &off, &size, &maxsize) != 0)
+ return 1;
+
+ /* size is unspecified */
+ if (argc < 5)
+ adjust_size_for_badblocks(&size, off, dev);
+ rwsize = size;
+ }
+
if (!s || !strcmp(s, ".jffs2") ||
!strcmp(s, ".e") || !strcmp(s, ".i")) {
if (read)
ret = nand_read_skip_bad(nand, off, &rwsize,
+ NULL, maxsize,
(u_char *)addr);
else
ret = nand_write_skip_bad(nand, off, &rwsize,
+ NULL, maxsize,
(u_char *)addr, 0);
#ifdef CONFIG_CMD_NAND_TRIMFFS
} else if (!strcmp(s, ".trimffs")) {
if (read) {
printf("Unknown nand command suffix '%s'\n", s);
- return 1;
+ return CMD_RET_FAILURE;
}
- ret = nand_write_skip_bad(nand, off, &rwsize,
- (u_char *)addr,
+ ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
+ maxsize, (u_char *)addr,
WITH_DROP_FFS);
#endif
#ifdef CONFIG_CMD_NAND_YAFFS
} else if (!strcmp(s, ".yaffs")) {
if (read) {
printf("Unknown nand command suffix '%s'.\n", s);
- return 1;
+ return CMD_RET_FAILURE;
}
- ret = nand_write_skip_bad(nand, off, &rwsize,
- (u_char *)addr, WITH_YAFFS_OOB);
+ ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
+ maxsize, (u_char *)addr,
+ WITH_YAFFS_OOB);
#endif
} else if (!strcmp(s, ".oob")) {
/* out-of-band data */
mtd_oob_ops_t ops = {
.oobbuf = (u8 *)addr,
.ooblen = rwsize,
- .mode = MTD_OOB_RAW
- };
-
- if (read)
- ret = nand->read_oob(nand, off, &ops);
- else
- ret = nand->write_oob(nand, off, &ops);
- } else if (!strcmp(s, ".raw")) {
- /* Raw access */
- mtd_oob_ops_t ops = {
- .datbuf = (u8 *)addr,
- .oobbuf = ((u8 *)addr) + nand->writesize,
- .len = nand->writesize,
- .ooblen = nand->oobsize,
- .mode = MTD_OOB_RAW
+ .mode = MTD_OPS_RAW
};
- rwsize = nand->writesize + nand->oobsize;
-
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", rwsize,
read ? "read" : "written", ret ? "ERROR" : "OK");
+ 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 1;
+ }
+
+ 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 ? 0 : 1;
}
+#endif
if (strcmp(cmd, "markbad") == 0) {
argc -= 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, &dev, &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 (arg_off_size(argc - 2, argv + 2, &dev, &off, &size,
+ &maxsize) < 0)
+ return CMD_RET_FAILURE;
- if (!nand_unlock(&nand_info[dev], off, size)) {
+ 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:
- return cmd_usage(cmdtp);
+ 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 read.raw - addr off|partition\n"
- "nand write.raw - addr off|partition\n"
- " Use read.raw/write.raw to avoid ECC and access the page as-is.\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"
"nand erase.chip [clean] - erase entire chip'\n"
"nand bad - show bad blocks\n"
"nand dump[.oob] off - dump page\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"
"\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,
if (s != NULL &&
(strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
printf("Unknown nand load suffix '%s'\n", s);
- show_boot_progress(-53);
+ bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
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);
+ r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size,
+ (u_char *)addr);
if (r) {
puts("** Read error\n");
- show_boot_progress (-56);
+ bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
return 1;
}
- show_boot_progress (56);
+ bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
switch (genimg_get_format ((void *)addr)) {
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
default:
- show_boot_progress (-57);
+ bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
puts ("** Unknown image type\n");
return 1;
}
- 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);
+ bootstage_error(BOOTSTAGE_ID_NAND_READ);
return 1;
}
- 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;
}
- show_boot_progress (151);
+ bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
fit_print_contents (fit_hdr);
}
#endif
return bootm_maybe_autostart(cmdtp, cmd);
}
-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;
}
#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
- show_boot_progress(-53);
- return cmd_usage(cmdtp);
+ 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);
+ bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
return 1;
}
- 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);
+ bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
return 1;
}
- 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