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Diffstat (limited to 'common/cmd_nand.c')
-rw-r--r--common/cmd_nand.c273
1 files changed, 131 insertions, 142 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 9e38bf7..3e76d82 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -18,6 +18,7 @@
*
*/
#include <common.h>
+#include <linux/mtd/mtd.h>
#if defined(CONFIG_CMD_NAND)
@@ -34,7 +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)
@@ -47,32 +48,38 @@ static int nand_dump(nand_info_t *nand, ulong off)
int i;
u_char *buf, *p;
- buf = malloc(nand->oobblock + nand->oobsize);
+ buf = malloc(nand->writesize + nand->oobsize);
if (!buf) {
puts("No memory for page buffer\n");
return 1;
}
- off &= ~(nand->oobblock - 1);
- i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize);
+ 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);
return 1;
}
printf("Page %08lx dump:\n", off);
- i = nand->oobblock >> 4; p = buf;
+ i = nand->writesize >> 4; p = buf;
while (i--) {
- printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x"
- " %02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
- p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
+ printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
+ " %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
+ p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
p += 16;
}
puts("OOB:\n");
i = nand->oobsize >> 3;
while (i--) {
- printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
+ printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
+ p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
p += 8;
}
free(buf);
@@ -155,7 +162,7 @@ out:
int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
- int i, dev, ret;
+ int i, dev, ret = 0;
ulong addr, off;
size_t size;
char *cmd, *s;
@@ -182,8 +189,8 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) {
if (nand_info[i].name)
printf("Device %d: %s, sector size %u KiB\n",
- i, nand_info[i].name,
- nand_info[i].erasesize >> 10);
+ i, nand_info[i].name,
+ nand_info[i].erasesize >> 10);
}
return 0;
}
@@ -192,11 +199,11 @@ 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,
- nand_info[nand_curr_device].name);
+ nand_info[nand_curr_device].name);
return 0;
}
dev = (int)simple_strtoul(argv[2], NULL, 10);
@@ -219,11 +226,11 @@ 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 */
@@ -250,7 +257,7 @@ 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 = argc > 2 && !strcmp("clean", argv[2]);
+ int clean = !strcmp("clean", argv[2]);
int o = clean ? 3 : 2;
int scrub = !strcmp(cmd, "scrub");
@@ -260,6 +267,7 @@ 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;
@@ -320,40 +328,41 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
printf("\nNAND %s: ", read ? "read" : "write");
if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
return 1;
-
+
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;
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);
+ 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;
+ mtd_oob_ops_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);
+ opts.datbuf = (u_char*) addr;
+ opts.len = size;
+ opts.ooblen = 64;
+ opts.mode = MTD_OOB_AUTO;
+ ret = nand_write_opts(nand, off, &opts);
}
} else if (s != NULL && !strcmp(s, ".oob")) {
- /* read out-of-band data */
+ /* out-of-band data */
+ mtd_oob_ops_t ops = {
+ .oobbuf = (u8 *)addr,
+ .ooblen = size,
+ .mode = MTD_OOB_RAW
+ };
+
if (read)
- ret = nand->read_oob(nand, off, size, &size,
- (u_char *) addr);
+ ret = nand->read_oob(nand, off, &ops);
else
- ret = nand->write_oob(nand, off, size, &size,
- (u_char *) addr);
+ ret = nand->write_oob(nand, off, &ops);
} else {
if (read)
ret = nand_read(nand, off, &size, (u_char *)addr);
@@ -397,44 +406,44 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
if (status) {
- ulong block_start = 0;
+// ulong block_start = 0;
ulong off;
- int last_status = -1;
+// 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("%08lx - %08lx: %8lu 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)) {
- puts("NAND flash successfully locked\n");
- } else {
- puts("Error locking NAND flash\n");
- return 1;
+ "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;
}
+ } else {
+// if (!nand_lock(nand, tight)) {
+// puts("NAND flash successfully locked\n");
+// } else {
+// puts("Error locking NAND flash\n");
+// return 1;
+// }
}
return 0;
}
@@ -443,13 +452,13 @@ 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 (!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;
+// }
return 0;
}
@@ -459,24 +468,26 @@ usage:
}
U_BOOT_CMD(nand, 5, 1, do_nand,
- "nand - NAND sub-system\n",
- "info - show available NAND devices\n"
- "nand device [dev] - show or set current device\n"
- "nand read[.jffs2] - addr off|partition size\n"
- "nand write[.jffs2] - addr off|partition size - read/write `size' bytes starting\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"
- "nand bad - show bad blocks\n"
- "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 lock [tight] [status] - bring nand to lock state or display locked pages\n"
- "nand unlock [offset] [size] - unlock section\n");
+ "nand - NAND sub-system\n",
+ "info - show available NAND devices\n"
+ "nand device [dev] - show or set current device\n"
+ "nand read[.jffs2] - addr off|partition size\n"
+ "nand write[.jffs2] - addr off|partition size\n"
+ " read/write 'size' bytes starting at offset 'off'\n"
+ " to/from memory address 'addr'\n"
+ "nand erase [clean] [off size] - erase 'size' bytes from\n"
+ " offset 'off' (entire device if not specified)\n"
+ "nand bad - show bad blocks\n"
+ "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 lock [tight] [status]\n"
+ " bring nand to lock state or display locked pages\n"
+ "nand unlock [offset] [size] - unlock section\n");
static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
- ulong offset, ulong addr, char *cmd)
+ ulong offset, ulong addr, char *cmd)
{
int r;
char *ep, *s;
@@ -494,19 +505,8 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
- cnt = nand->oobblock;
- if (jffs2) {
- nand_read_options_t opts;
- memset(&opts, 0, sizeof(opts));
- opts.buffer = (u_char*) addr;
- opts.length = cnt;
- opts.offset = offset;
- opts.quiet = 1;
- r = nand_read_opts(nand, &opts);
- } else {
- r = nand_read(nand, offset, &cnt, (u_char *) addr);
- }
-
+ cnt = nand->writesize;
+ r = nand_read(nand, offset, &cnt, (u_char *) addr);
if (r) {
puts("** Read error\n");
show_boot_progress (-56);
@@ -537,18 +537,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
return 1;
}
- if (jffs2) {
- nand_read_options_t opts;
- memset(&opts, 0, sizeof(opts));
- opts.buffer = (u_char*) addr;
- opts.length = cnt;
- opts.offset = offset;
- opts.quiet = 1;
- r = nand_read_opts(nand, &opts);
- } else {
- r = nand_read(nand, offset, &cnt, (u_char *) addr);
- }
-
+ r = nand_read(nand, offset, &cnt, (u_char *) addr);
if (r) {
puts("** Read error\n");
show_boot_progress (-58);
@@ -614,7 +603,7 @@ int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
else
addr = CFG_LOAD_ADDR;
return nand_load_image(cmdtp, &nand_info[dev->id->num],
- part->offset, addr, argv[0]);
+ part->offset, addr, argv[0]);
}
}
#endif
@@ -704,8 +693,8 @@ void archflashwp(void *archdata, int wp);
#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
@@ -720,16 +709,16 @@ 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
/* bits for nand_legacy_rw() `cmd'; or together as needed */
-#define NANDRW_READ 0x01
-#define NANDRW_WRITE 0x00
-#define NANDRW_JFFS2 0x02
-#define NANDRW_JFFS2_SKIP 0x04
+#define NANDRW_READ 0x01
+#define NANDRW_WRITE 0x00
+#define NANDRW_JFFS2 0x02
+#define NANDRW_JFFS2_SKIP 0x04
/*
* Imports from nand_legacy.c
@@ -737,15 +726,15 @@ 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[])
@@ -878,7 +867,7 @@ 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) {
@@ -928,7 +917,7 @@ 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"
@@ -992,7 +981,7 @@ 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;
@@ -1000,11 +989,11 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
show_boot_progress (55);
printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n",
- dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
- offset);
+ dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
+ offset);
if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset,
- SECTORSIZE, NULL, (u_char *)addr)) {
+ SECTORSIZE, NULL, (u_char *)addr)) {
printf ("** Read error on %d\n", dev);
show_boot_progress (-56);
return 1;
@@ -1035,8 +1024,8 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
show_boot_progress (57);
if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ,
- offset + SECTORSIZE, cnt, NULL,
- (u_char *)(addr+SECTORSIZE))) {
+ offset + SECTORSIZE, cnt, NULL,
+ (u_char *)(addr+SECTORSIZE))) {
printf ("** Read error on %d\n", dev);
show_boot_progress (-58);
return 1;
@@ -1077,7 +1066,7 @@ 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 v1.1 at 2024-11-16 23:43:24 +0000