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Merge branch 'master' of http://www.denx.de/git/u-boot

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This commit is contained in:
Jon Loeliger
2006-10-11 10:16:01 -05:00
parent bf651baa36 2255b2d204
commit c3c3b089ad
7 changed files with 1183 additions and 27 deletions
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226
common/cmd_nand.c
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@@ -135,11 +135,16 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
ulong addr, off, size;
char *cmd, *s;
nand_info_t *nand;
int quiet = 0;
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) {
@@ -178,7 +183,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
strncmp(cmd, "dump", 4) != 0 &&
strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 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 */
@@ -197,14 +205,64 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
return 0;
}
if (strcmp(cmd, "erase") == 0) {
arg_off_size(argc - 2, argv + 2, &off, &size, nand->size);
if (off == 0 && size == 0)
return 1;
if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
nand_erase_options_t opts;
int clean = argc >= 3 && !strcmp("clean", argv[2]);
int rest_argc = argc - 2;
char **rest_argv = argv + 2;
int scrub = !strcmp(cmd, "scrub");
printf("\nNAND erase: device %d offset 0x%x, size 0x%x ",
nand_curr_device, off, size);
ret = nand_erase(nand, off, size);
if (clean) {
rest_argc--;
rest_argv++;
}
if (rest_argc == 0) {
printf("\nNAND %s: device %d whole chip\n",
cmd,
nand_curr_device);
off = size = 0;
} else {
arg_off_size(rest_argc, rest_argv, &off, &size,
nand->size);
if (off == 0 && size == 0)
return 1;
printf("\nNAND %s: device %d offset 0x%x, size 0x%x\n",
cmd, nand_curr_device, off, size);
}
memset(&opts, 0, sizeof(opts));
opts.offset = off;
opts.length = size;
opts.jffs2 = clean;
opts.quiet = quiet;
if (scrub) {
printf("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 shure of what you are doing!\n"
"\nReally scrub this NAND flash? <y/N>\n"
);
if (getc() == 'y' && getc() == '\r') {
opts.scrub = 1;
} else {
printf("scrub aborted\n");
return -1;
}
}
ret = nand_erase_opts(nand, &opts);
printf("%s\n", ret ? "ERROR" : "OK");
return ret == 0 ? 0 : 1;
@@ -228,37 +286,153 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/* read write */
if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
int read;
if (argc < 4)
goto usage;
/*
s = strchr(cmd, '.');
clean = CLEAN_NONE;
if (s != NULL) {
if (strcmp(s, ".jffs2") == 0 || strcmp(s, ".e") == 0
|| strcmp(s, ".i"))
clean = CLEAN_JFFS2;
}
*/
addr = (ulong)simple_strtoul(argv[2], NULL, 16);
arg_off_size(argc - 3, argv + 3, &off, &size, nand->size);
if (off == 0 && size == 0)
return 1;
i = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
printf("\nNAND %s: device %d offset %u, size %u ... ",
i ? "read" : "write", nand_curr_device, off, size);
read ? "read" : "write", nand_curr_device, off, size);
if (i)
s = strchr(cmd, '.');
if (s != NULL &&
(!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) {
if (read) {
/* read */
nand_read_options_t opts;
memset(&opts, 0, sizeof(opts));
opts.buffer = (u_char*) addr;
opts.length = size;
opts.offset = off;
opts.quiet = quiet;
ret = nand_read_opts(nand, &opts);
} else {
/* write */
nand_write_options_t opts;
memset(&opts, 0, sizeof(opts));
opts.buffer = (u_char*) addr;
opts.length = size;
opts.offset = off;
/* opts.forcejffs2 = 1; */
opts.pad = 1;
opts.blockalign = 1;
opts.quiet = quiet;
ret = nand_write_opts(nand, &opts);
}
printf("%s\n", ret ? "ERROR" : "OK");
return ret == 0 ? 0 : 1;
}
if (read)
ret = nand_read(nand, off, &size, (u_char *)addr);
else
ret = nand_write(nand, off, &size, (u_char *)addr);
printf(" %d bytes %s: %s\n", size,
i ? "read" : "written", ret ? "ERROR" : "OK");
read ? "read" : "written", ret ? "ERROR" : "OK");
return ret == 0 ? 0 : 1;
}
/* 2006-09-28 gc: implement missing commands */
if (strcmp(cmd, "markbad") == 0) {
addr = (ulong)simple_strtoul(argv[2], NULL, 16);
int ret = nand->block_markbad(nand, addr);
if (ret == 0) {
printf("block 0x%08lx successfully marked as bad\n",
(ulong) addr);
return 0;
} else {
printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
(ulong) addr, ret);
}
return 1;
}
if (strcmp(cmd, "biterr") == 0) {
/* todo */
return 1;
}
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) {
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->oobblock) {
int s = nand_get_lock_status(nand, off);
/* print message only if status has changed
* or at end of chip
*/
if (off == nand->size - nand->oobblock
|| (s != last_status && off != 0)) {
printf("%08x - %08x: %8d pages %s%s%s\n",
block_start,
off-1,
(off-block_start)/nand->oobblock,
((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
}
last_status = s;
}
} else {
if (!nand_lock(nand, tight)) {
printf ("NAND flash successfully locked\n");
} else {
printf ("Error locking NAND flash. \n");
return 1;
}
}
return 0;
}
if (strcmp(cmd, "unlock") == 0) {
if (argc == 2) {
off = 0;
size = nand->size;
} else {
arg_off_size(argc - 2, argv + 2, &off, &size,
nand->size);
}
if (!nand_unlock(nand, off, size)) {
printf("NAND flash successfully unlocked\n");
} else {
printf("Error unlocking NAND flash. "
"Write and erase will probably fail\n");
return 1;
}
return 0;
}
usage:
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
@@ -277,7 +451,9 @@ U_BOOT_CMD(nand, 5, 1, do_nand,
"nand dump[.oob] off - dump page\n"
"nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
"nand markbad off - mark bad block at offset (UNSAFE)\n"
"nand biterr off - make a bit error at offset (UNSAFE)\n");
"nand biterr off - make a bit error at offset (UNSAFE)\n"
"nand lock [tight] [status] - bring nand to lock state or display locked pages\n"
"nand unlock [offset] [size] - unlock section\n");
int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
@@ -596,7 +772,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 1;
}
printf ("\nNAND %s: device %d offset %ld, size %ld ... ",
printf ("\nNAND %s: device %d offset %ld, size %ld ...\n",
(cmd & NANDRW_READ) ? "read" : "write",
curr_device, off, size);
@@ -615,7 +791,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
ulong size = simple_strtoul(argv[3 + clean], NULL, 16);
int ret;
printf ("\nNAND erase: device %d offset %ld, size %ld ... ",
printf ("\nNAND erase: device %d offset %ld, size %ld ...\n",
curr_device, off, size);
ret = nand_legacy_erase (nand_dev_desc + curr_device,
@@ -635,7 +811,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
nand, 5, 1, do_nand,
"nand - NAND sub-system\n",
"nand - legacy NAND sub-system\n",
"info - show available NAND devices\n"
"nand device [dev] - show or set current device\n"
"nand read[.jffs2[s]] addr off size\n"