| Message ID | 1315800250-19761-3-git-send-email-marek.vasut@gmail.com |
|---|---|
| State | Superseded |
| Delegated to: | Scott Wood |
| Headers | show |
On 09/11/2011 11:04 PM, Marek Vasut wrote: > These commands should work around various "hardware" ECC and BCH methods. > > Signed-off-by: Marek Vasut <marek.vasut@gmail.com> > Cc: Scott Wood <scottwood@freescale.com> > Cc: Stefano Babic <sbabic@denx.de> > Cc: Wolfgang Denk <wd@denx.de> > Cc: Detlev Zundel <dzu@denx.de> > --- > 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 66e06a5..a1c8dfd 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; Update help text and doc/README.nand. Should we support doing multiple pages at once? -Scott
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 66e06a5..a1c8dfd 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;
These commands should work around various "hardware" ECC and BCH methods. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de> --- common/cmd_nand.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)