These commands should work around various "hardware" ECC and BCH methods. This
is important for example in case where the user needs to write precisely what's
in a buffer to a NAND page, with no interference of hardware ECC engine or such.
Signed-off-by: Marek Vasut <marek.va...@gmail.com>
---
common/cmd_nand.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index b767cd2..ca510ae 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -606,6 +606,20 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *
const argv[])
ret = nand->read_oob(nand, off, &ops);
else
ret = nand->write_oob(nand, off, &ops);
+ } else if (!strcmp(s, ".raw")) {
+ /* Raw access */
+ mtd_oob_ops_t ops = {
+ .datbuf = (u8 *)addr,
+ .oobbuf = ((u8 *)addr) + nand->writesize,
+ .len = nand->writesize,
+ .ooblen = nand->oobsize,
+ .mode = MTD_OOB_RAW
+ };
+
+ if (read)
+ ret = nand->read_oob(nand, off, &ops);
+ else
+ ret = nand->write_oob(nand, off, &ops);
} else {
printf("Unknown nand command suffix '%s'.\n", s);
return 1;
--
1.7.5.4
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