From 9d6e063c1fb2cb10e6e0c3883ca3d1944dadcfc4 Mon Sep 17 00:00:00 2001 From: Ezequiel Garcia Date: Tue, 14 May 2013 08:15:25 -0300 Subject: [PATCH 111/203] mtd: nand: pxa3xx: Add support for Read parameter page command This command is required to identify ONFI-compliant devices. Signed-off-by: Ezequiel Garcia Tested-by: Nikita Kiryanov Acked-by: Igor Grinberg Reviewed-by: Haojian Zhuang Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- drivers/mtd/nand/pxa3xx_nand.c | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -590,6 +590,16 @@ static int prepare_command_pool(struct p | addr_cycle; break; + case NAND_CMD_PARAM: + cmd = NAND_CMD_PARAM; + info->buf_count = 256; + info->ndcb0 |= NDCB0_CMD_TYPE(0) + | NDCB0_ADDR_CYC(1) + | cmd; + info->ndcb1 = (column & 0xFF); + info->data_size = 256; + break; + case NAND_CMD_READID: cmd = host->cmdset->read_id; info->buf_count = host->read_id_bytes;