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 yamada.m@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;
Acked-by: Chin Liang See clsee@altera.com