target/linux/amazon/patches-2.6.37/160-cfi-swap.patch

   1 --- a/drivers/mtd/chips/cfi_cmdset_0002.c
   2 +++ b/drivers/mtd/chips/cfi_cmdset_0002.c
   3 @@ -1166,6 +1166,9 @@ static int __xipram do_write_oneword(str
   4         int retry_cnt = 0;
   5
   6         adr += chip->start;
   7 +#ifdef CONFIG_AMAZON
   8 +       adr ^= 2;
   9 +#endif
  10
  11         mutex_lock(&chip->mutex);
  12         ret = get_chip(map, chip, adr, FL_WRITING);
  13 @@ -1433,7 +1436,11 @@ static int __xipram do_write_buffer(stru
  14         z = 0;
  15         while(z < words * map_bankwidth(map)) {
  16                 datum = map_word_load(map, buf);
  17 +#ifdef CONFIG_AMAZON
  18 +               map_write(map, datum, (adr + z) ^ 0x2);
  19 +#else
  20                 map_write(map, datum, adr + z);
  21 +#endif
  22
  23                 z += map_bankwidth(map);
  24                 buf += map_bankwidth(map);
  25 @@ -1678,6 +1685,9 @@ static int __xipram do_erase_oneblock(st
  26         int ret = 0;
  27
  28         adr += chip->start;
  29 +#ifdef CONFIG_AMAZON
  30 +       adr ^= 2;
  31 +#endif
  32
  33         mutex_lock(&chip->mutex);
  34         ret = get_chip(map, chip, adr, FL_ERASING);
  35 @@ -1806,6 +1816,10 @@ static int do_atmel_lock(struct map_info
  36         struct cfi_private *cfi = map->fldrv_priv;
  37         int ret;
  38
  39 +#ifdef CONFIG_AMAZON
  40 +       adr ^= 2;
  41 +#endif
  42 +
  43         mutex_lock(&chip->mutex);
  44         ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
  45         if (ret)
  46 @@ -1842,6 +1856,10 @@ static int do_atmel_unlock(struct map_in
  47         struct cfi_private *cfi = map->fldrv_priv;
  48         int ret;
  49
  50 +#ifdef CONFIG_AMAZON
  51 +       adr ^= 2;
  52 +#endif
  53 +
  54         mutex_lock(&chip->mutex);
  55         ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
  56         if (ret)