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-rw-r--r--common/cmd_nand.c110
1 files changed, 58 insertions, 52 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index f825234..339d82b 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -35,7 +35,7 @@
int mtdparts_init(void);
int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
int find_dev_and_part(const char *id, struct mtd_device **dev,
- u8 *part_num, struct part_info **part);
+ u8 *part_num, struct part_info **part);
#endif
static int nand_dump_oob(nand_info_t *nand, ulong off)
@@ -340,7 +340,7 @@ 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);
+/* ret = nand_read_opts(nand, &opts); */
} else {
/* write */
mtd_oob_ops_t opts;
@@ -406,44 +406,48 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
if (status) {
-// ulong block_start = 0;
ulong off;
-// int last_status = -1;
-
+/* 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);
printf("device is %swrite protected\n",
(nand_chip->read_byte(nand) & 0x80 ?
- "NOT " : "" ) );
+ "NOT " : ""));
for (off = 0; off < nand->size; off += nand->writesize) {
-// 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)) {
-//
-// 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 " : ""));
-// }
-//
-// last_status = s;
+#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)) {
+
+ 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 " : ""));
+ }
+
+ last_status = s;
+#endif
}
} else {
-// if (!nand_lock(nand, tight)) {
-// puts("NAND flash successfully locked\n");
-// } else {
-// puts("Error locking NAND flash\n");
-// return 1;
-// }
+#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
}
return 0;
}
@@ -452,13 +456,15 @@ 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 (!nand_unlock(nand, off, size)) {
-// puts("NAND flash successfully unlocked\n");
-// } else {
-// puts("Error unlocking NAND flash, "
-// "write and erase will probably fail\n");
-// return 1;
-// }
+#if 0 /* must be fixed */
+ 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");
+ return 1;
+ }
+#endif
return 0;
}
@@ -691,7 +697,7 @@ 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
@@ -715,9 +721,9 @@ void archflashwp(void *archdata, int wp);
#define CONFIG_MTD_NAND_ECC_JFFS2
/* bits for nand_legacy_rw() `cmd'; or together as needed */
-#define NANDRW_READ 0x01
-#define NANDRW_WRITE 0x00
-#define NANDRW_JFFS2 0x02
+#define NANDRW_READ 0x01
+#define NANDRW_WRITE 0x00
+#define NANDRW_JFFS2 0x02
#define NANDRW_JFFS2_SKIP 0x04
/*
@@ -726,15 +732,15 @@ 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);
+ 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);
+ size_t len, size_t *retlen, const u_char *buf);
int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
@@ -828,11 +834,11 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
if (strncmp (argv[1], "read", 4) == 0 ||
strncmp (argv[1], "write", 5) == 0) {
- ulong addr = simple_strtoul (argv[2], NULL, 16);
- off_t off = simple_strtoul (argv[3], NULL, 16);
- size_t size = simple_strtoul (argv[4], NULL, 16);
- int cmd = (strncmp (argv[1], "read", 4) == 0) ?
- NANDRW_READ : NANDRW_WRITE;
+ ulong addr = simple_strtoul (argv[2], NULL, 16);
+ off_t off = simple_strtoul (argv[3], NULL, 16);
+ size_t size = simple_strtoul (argv[4], NULL, 16);
+ int cmd = (strncmp (argv[1], "read", 4) == 0) ?
+ NANDRW_READ : NANDRW_WRITE;
size_t total;
int ret;
char *cmdtail = strchr (argv[1], '.');
@@ -923,9 +929,9 @@ U_BOOT_CMD(
"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"
generated by cgit v1.1 at 2024-11-24 22:02:28 +0000