target/linux/s3c24xx/patches/0005-s3c2410-bbt.patch.patch

   1 From ee782e877d8c50f3ed775aee8934565699a5fc99 Mon Sep 17 00:00:00 2001
   2 From: mokopatches <mokopatches@openmoko.org>
   3 Date: Wed, 16 Jul 2008 14:44:10 +0100
   4 Subject: [PATCH] s3c2410-bbt.patch
   5  [PATCH] Add Kconfig option to enable NAND bad-block-table support for s3c2410
   6
   7 This patch adds a new CONFIG_MTD_NAND_S3C2410_BBT which, if enabled,
   8 asks the mtd NAND core to use a bad-block table.
   9
  10 Signed-off-by: Harald Welte <laforge@openmoko.org>
  11 ---
  12  drivers/mtd/nand/s3c2410.c      |    6 +++++-
  13  include/asm-arm/plat-s3c/nand.h |    3 +++
  14  2 files changed, 8 insertions(+), 1 deletions(-)
  15
  16 diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
  17 index 101b6b5..cd2e1da 100644
  18 --- a/drivers/mtd/nand/s3c2410.c
  19 +++ b/drivers/mtd/nand/s3c2410.c
  20 @@ -619,9 +619,13 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
  21         chip->select_chip  = s3c2410_nand_select_chip;
  22         chip->chip_delay   = 50;
  23         chip->priv         = nmtd;
  24 -       chip->options      = 0;
  25         chip->controller   = &info->controller;
  26
  27 +       if (set->flags & S3C2410_NAND_BBT)
  28 +               chip->options      = NAND_USE_FLASH_BBT;
  29 +       else
  30 +               chip->options      = 0;
  31 +
  32         switch (info->cpu_type) {
  33         case TYPE_S3C2410:
  34                 chip->IO_ADDR_W = regs + S3C2410_NFDATA;
  35 diff --git a/include/asm-arm/plat-s3c/nand.h b/include/asm-arm/plat-s3c/nand.h
  36 index ad6bbe9..54f479e 100644
  37 --- a/include/asm-arm/plat-s3c/nand.h
  38 +++ b/include/asm-arm/plat-s3c/nand.h
  39 @@ -21,11 +21,14 @@
  40   * partitions   = mtd partition list
  41  */
  42
  43 +#define S3C2410_NAND_BBT       0x0001
  44 +
  45  struct s3c2410_nand_set {
  46         unsigned int            disable_ecc : 1;
  47
  48         int                     nr_chips;
  49         int                     nr_partitions;
  50 +       unsigned int            flags;
  51         char                    *name;
  52         int                     *nr_map;
  53         struct mtd_partition    *partitions;
  54 --
  55 1.5.6.3
  56