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

   1 From 9d6e063c1fb2cb10e6e0c3883ca3d1944dadcfc4 Mon Sep 17 00:00:00 2001
   2 From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
   3 Date: Tue, 14 May 2013 08:15:25 -0300
   4 Subject: [PATCH 111/203] mtd: nand: pxa3xx: Add support for Read parameter
   5  page command
   6
   7 This command is required to identify ONFI-compliant devices.
   8
   9 Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
  10 Tested-by: Nikita Kiryanov <nikita@compulab.co.il>
  11 Acked-by: Igor Grinberg <grinberg@compulab.co.il>
  12 Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com>
  13 Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
  14 Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
  15 ---
  16  drivers/mtd/nand/pxa3xx_nand.c | 10 ++++++++++
  17  1 file changed, 10 insertions(+)
  18
  19 --- a/drivers/mtd/nand/pxa3xx_nand.c
  20 +++ b/drivers/mtd/nand/pxa3xx_nand.c
  21 @@ -590,6 +590,16 @@ static int prepare_command_pool(struct p
  22                                 | addr_cycle;
  23                 break;
  24
  25 +       case NAND_CMD_PARAM:
  26 +               cmd = NAND_CMD_PARAM;
  27 +               info->buf_count = 256;
  28 +               info->ndcb0 |= NDCB0_CMD_TYPE(0)
  29 +                               | NDCB0_ADDR_CYC(1)
  30 +                               | cmd;
  31 +               info->ndcb1 = (column & 0xFF);
  32 +               info->data_size = 256;
  33 +               break;
  34 +
  35         case NAND_CMD_READID:
  36                 cmd = host->cmdset->read_id;
  37                 info->buf_count = host->read_id_bytes;