openwrtv3/target/linux/mvebu/patches-3.10/0111-mtd-nand-pxa3xx-Add-support-for-Read-parameter-page-.patch

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From 9d6e063c1fb2cb10e6e0c3883ca3d1944dadcfc4 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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 <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>
---
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;