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.vasut@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;