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make nand dump and nand dump.oob work

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Signed-off-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
William Juul 2007-12-14 16:33:45 +01:00 committed by Scott Wood
parent 43ea36fb8f
commit 9ad754fef5
1 changed files with 27 additions and 19 deletions
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46
common/cmd_nand.c
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@ -38,37 +38,44 @@ int find_dev_and_part(const char *id, struct mtd_device **dev,
u8 *part_num, struct part_info **part);
#endif
static int nand_dump_oob(nand_info_t *nand, ulong off)
{
return 0;
}
static int nand_dump(nand_info_t *nand, ulong off)
static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
{
int i;
u_char *buf, *p;
u_char *datbuf, *oobbuf, *p;
buf = malloc(nand->writesize + nand->oobsize);
if (!buf) {
datbuf = malloc(nand->writesize + nand->oobsize);
oobbuf = malloc(nand->oobsize);
if (!datbuf || !oobbuf) {
puts("No memory for page buffer\n");
return 1;
}
off &= ~(nand->writesize - 1);
size_t dummy;
loff_t addr = (loff_t) off;
i = nand->read(nand, addr, nand->writesize, &dummy, buf);
struct mtd_oob_ops ops;
memset(&ops, 0, sizeof(ops));
ops.datbuf = datbuf;
ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
ops.len = nand->writesize;
ops.ooblen = nand->oobsize;
ops.mode = MTD_OOB_RAW;
i = nand->read_oob(nand, addr, &ops);
if (i < 0) {
printf("Error (%d) reading page %08lx\n", i, off);
free(buf);
free(datbuf);
free(oobbuf);
return 1;
}
printf("Page %08lx dump:\n", off);
i = nand->writesize >> 4; p = buf;
i = nand->writesize >> 4;
p = datbuf;
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]);
if (!only_oob)
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");
@ -78,7 +85,8 @@ static int nand_dump(nand_info_t *nand, ulong off)
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
p += 8;
}
free(buf);
free(datbuf);
free(oobbuf);
return 0;
}
@ -302,9 +310,9 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
off = (int)simple_strtoul(argv[2], NULL, 16);
if (s != NULL && strcmp(s, ".oob") == 0)
ret = nand_dump_oob(nand, off);
ret = nand_dump(nand, off, 1);
else
ret = nand_dump(nand, off);
ret = nand_dump(nand, off, 0);
return ret == 0 ? 1 : 0;