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 = 0;
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;
}
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;
}
{
nand_info_t *nand = &nand_info[idx];
struct nand_chip *chip = nand->priv;
- char buf[32];
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);
-
- sprintf(buf, "%x", nand->oobsize);
- setenv("nand_oobsize", buf);
-
- sprintf(buf, "%x", nand->erasesize);
- setenv("nand_erasesize", 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,
.oobbuf = ((u8 *)addr) + nand->writesize,
.len = nand->writesize,
.ooblen = nand->oobsize,
- .mode = MTD_OOB_RAW
+ .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);
if (ret) {
printf("%s: error at offset %llx, ret %d\n",
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;
+ loff_t off, size, maxsize;
char *cmd, *s;
nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
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)
+ if (arg_off_size(argc - o, argv + o, &dev, &off, &size,
+ &maxsize) != 0)
return CMD_RET_FAILURE;
nand = &nand_info[dev];
size_t rwsize;
ulong pagecount = 1;
int read;
- int raw;
+ 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 CMD_RET_FAILURE;
nand = &nand_info[dev];
if (s && !strcmp(s, ".raw")) {
raw = 1;
- if (arg_off(argv[3], &dev, &off, &size))
+ if (arg_off(argv[3], &dev, &off, &size, &maxsize))
return 1;
if (argc > 4 && !str2long(argv[4], &pagecount)) {
rwsize = pagecount * (nand->writesize + nand->oobsize);
} else {
if (arg_off_size(argc - 3, argv + 3, &dev,
- &off, &size) != 0)
+ &off, &size, &maxsize) != 0)
return 1;
+ /* size is unspecified */
+ if (argc < 5)
+ adjust_size_for_badblocks(&size, off, dev);
rwsize = size;
}
!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")) {
printf("Unknown nand command suffix '%s'\n", s);
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
printf("Unknown nand command suffix '%s'.\n", s);
return CMD_RET_FAILURE;
}
- ret = nand_write_skip_bad(nand, off, &rwsize,
- (u_char *)addr,
- WITH_INLINE_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
+ .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 {
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);
if (s && !strcmp(s, ".allexcept"))
allexcept = 1;
- if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0)
+ 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, allexcept)) {
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");
bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
}
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");
bootstage_error(BOOTSTAGE_ID_NAND_READ);
projects / karo-tx-uboot.git / blobdiff