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;
case NAND_CMD_READ0:
case NAND_CMD_SEQIN:
denali->page = page;
--
1.9.1
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