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authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>2013-05-14 08:15:25 -0300
committerDavid Woodhouse <David.Woodhouse@intel.com>2013-08-05 20:58:23 +0100
commitce0268f650ad26e103d82ce5a58379737adc2ab9 (patch)
tree9d2aace6d1adbf4516c8bc80ed705179ca407e61
parentd14231f1985f31441777a2dbda055dc8499f6c93 (diff)
mtd: nand: pxa3xx: Add support for Read parameter page command
This command is required to identify ONFI-compliant devices. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Nikita Kiryanov <nikita@compulab.co.il> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 36780e21419..d63d378c4ba 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;