From: Ezequiel Garcia Date: Tue, 14 May 2013 11:15:25 +0000 (-0300) Subject: mtd: nand: pxa3xx: Add support for Read parameter page command X-Git-Tag: MMI-PSA29.97-13-9~13677^2~134 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce0268f650ad26e103d82ce5a58379737adc2ab9;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git 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 --- diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 36780e214196..d63d378c4baa 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -590,6 +590,16 @@ static int prepare_command_pool(struct pxa3xx_nand_info *info, int command, | 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;