On Fri, 2014-10-03 at 20:03 +0900, Masahiro Yamada wrote: > The function nand_flash_detect_ext_param_page() requires > NAND_CMD_RNDOUT command supported. It is necessary to detect some > types of ONFi-compliant devices. Without it, the error message > "unsupported command received 0x5" is shown. > > Let's support this command on the Denali NAND controller driver. > > Signed-off-by: Masahiro Yamada <yamad...@jp.panasonic.com> > --- > > drivers/mtd/nand/denali.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c > index d9abc7e..308b784 100644 > --- a/drivers/mtd/nand/denali.c > +++ b/drivers/mtd/nand/denali.c > @@ -1072,6 +1072,13 @@ static void denali_cmdfunc(struct mtd_info *mtd, > unsigned int cmd, int col, > if (cmd == NAND_CMD_PARAM) > udelay(50); > break; > + case NAND_CMD_RNDOUT: > + addr = MODE_11 | BANK(denali->flash_bank); > + index_addr(denali, addr | 0, cmd); > + index_addr(denali, addr | 1, col & 0xFF); > + index_addr(denali, addr | 1, col >> 8); > + index_addr(denali, addr | 0, NAND_CMD_RNDOUTSTART); > + break;
This usage of RNDOUT is a regression for other drivers as well, such as fsl_ifc_nand... I really wish emulating a simple controller weren't the API used to talk to higher level drivers. :-( -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
