#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 " : ""));
}
{
nand_info_t *nand = &nand_info[idx];
struct nand_chip *chip = nand->priv;
- const int bufsz = 32;
- char buf[bufsz];
+ char buf[32];
printf("Device %d: ", idx);
if (chip->numchips > 1)
return ret;
}
-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;
/* 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;
+ 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) {
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];
} 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,
} 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,
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;
--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 (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) < 0)
- return 1;
+ 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
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 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,
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;
projects / karo-tx-uboot.git / blobdiff