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Diffstat (limited to 'common/cmd_nand.c')
-rw-r--r--common/cmd_nand.c96
1 files changed, 52 insertions, 44 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 339d82b5d..8b359e017 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -54,13 +54,9 @@ static int nand_dump(nand_info_t *nand, ulong off)
return 1;
}
off &= ~(nand->writesize - 1);
-#if 0
- i = nand_read_raw(nand, buf, off, nand->writesize, nand->oobsize);
-#else
size_t dummy;
loff_t addr = (loff_t) off;
i = nand->read(nand, addr, nand->writesize, &dummy, buf);
-#endif
if (i < 0) {
printf("Error (%d) reading page %08lx\n", i, off);
free(buf);
@@ -199,7 +195,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (argc < 3) {
if ((nand_curr_device < 0) ||
- (nand_curr_device >= CFG_MAX_NAND_DEVICE))
+ (nand_curr_device >= CFG_MAX_NAND_DEVICE))
puts("\nno devices available\n");
else
printf("\nDevice %d: %s\n", nand_curr_device,
@@ -226,11 +222,11 @@ 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 &&
- strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
- strcmp(cmd, "biterr") != 0 &&
- strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 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 )
goto usage;
/* the following commands operate on the current device */
@@ -257,7 +253,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
nand_erase_options_t opts;
/* "clean" at index 2 means request to write cleanmarker */
- int clean = !strcmp("clean", argv[2]);
+ int clean = argc > 2 && !strcmp("clean", argv[2]);
int o = clean ? 3 : 2;
int scrub = !strcmp(cmd, "scrub");
@@ -267,7 +263,6 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
return 1;
memset(&opts, 0, sizeof(opts));
-
opts.offset = off;
opts.length = size;
opts.jffs2 = clean;
@@ -331,7 +326,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
s = strchr(cmd, '.');
if (s != NULL &&
- (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) {
+ (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) {
if (read) {
/* read */
nand_read_options_t opts;
@@ -340,7 +335,13 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
opts.length = size;
opts.offset = off;
opts.quiet = quiet;
-/* ret = nand_read_opts(nand, &opts); */
+/*
+ * ! BROKEN !
+ *
+ * TODO: Function must be implemented
+ *
+ * ret = nand_read_opts(nand, &opts);
+ */
} else {
/* write */
mtd_oob_ops_t opts;
@@ -404,12 +405,17 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (!strcmp("status", argv[2]))
status = 1;
}
-
+/*
+ * ! BROKEN !
+ *
+ * TODO: must be implemented and tested by someone with HW
+ */
+#if 0
if (status) {
+ ulong block_start = 0;
ulong off;
-/* ulong block_start = 0;
int last_status = -1;
-*/
+
struct nand_chip *nand_chip = nand->priv;
/* check the WP bit */
nand_chip->cmdfunc (nand, NAND_CMD_STATUS, -1, -1);
@@ -418,37 +424,34 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
"NOT " : ""));
for (off = 0; off < nand->size; off += nand->writesize) {
-#if 0 /* must be fixed */
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->writesize
- || (s != last_status && off != 0)) {
+ || (s != last_status && off != 0)) {
printf("%08lx - %08lx: %8d pages %s%s%s\n",
- block_start,
- off-1,
- (off-block_start)/nand->writesize,
- ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
- ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
- ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
+ block_start,
+ off-1,
+ (off-block_start)/nand->writesize,
+ ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
+ ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
+ ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
}
last_status = s;
-#endif
}
} else {
-#if 0 /* must be fixed */
if (!nand_lock(nand, tight)) {
puts("NAND flash successfully locked\n");
} else {
puts("Error locking NAND flash\n");
return 1;
}
-#endif
}
+#endif
return 0;
}
@@ -456,12 +459,17 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
return 1;
-#if 0 /* must be fixed */
+/*
+ * ! BROKEN !
+ *
+ * TODO: must be implemented and tested by someone with HW
+ */
+#if 0
if (!nand_unlock(nand, off, size)) {
puts("NAND flash successfully unlocked\n");
} else {
puts("Error unlocking NAND flash, "
- "write and erase will probably fail\n");
+ "write and erase will probably fail\n");
return 1;
}
#endif
@@ -542,6 +550,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
puts ("** Unknown image type\n");
return 1;
}
+ show_boot_progress (57);
r = nand_read(nand, offset, &cnt, (u_char *) addr);
if (r) {
@@ -697,10 +706,10 @@ U_BOOT_CMD(nboot, 4, 1, do_nandboot,
void archflashwp(void *archdata, int wp);
#endif
-#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
+#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
-#undef NAND_DEBUG
-#undef PSYCHO_DEBUG
+#undef NAND_DEBUG
+#undef PSYCHO_DEBUG
/* ****************** WARNING *********************
* When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will
@@ -715,7 +724,7 @@ void archflashwp(void *archdata, int wp);
* and attempting to program or erase bad blocks can affect
* the data in _other_ (good) blocks.
*/
-#define ALLOW_ERASE_BAD_DEBUG 0
+#define ALLOW_ERASE_BAD_DEBUG 0
#define CONFIG_MTD_NAND_ECC /* enable ECC */
#define CONFIG_MTD_NAND_ECC_JFFS2
@@ -732,13 +741,13 @@ void archflashwp(void *archdata, int wp);
extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
extern int curr_device;
extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs,
- size_t len, int clean);
+ size_t len, int clean);
extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start,
size_t len, size_t *retlen, u_char *buf);
extern void nand_print(struct nand_chip *nand);
extern void nand_print_bad(struct nand_chip *nand);
extern int nand_read_oob(struct nand_chip *nand, size_t ofs,
- size_t len, size_t *retlen, u_char *buf);
+ size_t len, size_t *retlen, u_char *buf);
extern int nand_write_oob(struct nand_chip *nand, size_t ofs,
size_t len, size_t *retlen, const u_char *buf);
@@ -873,7 +882,7 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
else if (cmdtail && !strcmp (cmdtail, ".i")) {
cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
if (cmd & NANDRW_READ)
- cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
+ cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
}
#endif /* CFG_NAND_SKIP_BAD_DOT_I */
else if (cmdtail) {
@@ -887,8 +896,7 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
ret = nand_legacy_rw (nand_dev_desc + curr_device,
cmd, off, size,
- &total,
- (u_char *) addr);
+ &total, (u_char *) addr);
printf (" %d bytes %s: %s\n", total,
(cmd & NANDRW_READ) ? "read" : "written",
@@ -923,15 +931,15 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
U_BOOT_CMD(
- nand, 5, 1, do_nand,
+ nand, 5, 1, do_nand,
"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"
"nand write[.jffs2] addr off size - read/write `size' bytes starting\n"
- " at offset `off' to/from memory address `addr'\n"
+ " at offset `off' to/from memory address `addr'\n"
"nand erase [clean] [off size] - erase `size' bytes from\n"
- " offset `off' (entire device if not specified)\n"
+ " offset `off' (entire device if not specified)\n"
"nand bad - show bad blocks\n"
"nand read.oob addr off size - read out-of-band data\n"
"nand write.oob addr off size - read out-of-band data\n"
@@ -987,7 +995,7 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
dev = simple_strtoul(boot_device, &ep, 16);
if ((dev >= CFG_MAX_NAND_DEVICE) ||
- (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) {
+ (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) {
printf ("\n** Device %d not available\n", dev);
show_boot_progress (-55);
return 1;
@@ -1072,7 +1080,7 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
U_BOOT_CMD(
- nboot, 4, 1, do_nandboot,
+ nboot, 4, 1, do_nandboot,
"nboot - boot from NAND device\n",
"loadAddr dev\n"
);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 17:25:16 +0000