diff options
Diffstat (limited to 'target/linux/amazon/patches-3.3/160-cfi-swap.patch')
| -rw-r--r-- | target/linux/amazon/patches-3.3/160-cfi-swap.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/amazon/patches-3.3/160-cfi-swap.patch b/target/linux/amazon/patches-3.3/160-cfi-swap.patch new file mode 100644 index 0000000000..4a0009e432 --- /dev/null +++ b/target/linux/amazon/patches-3.3/160-cfi-swap.patch @@ -0,0 +1,56 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1152,6 +1152,9 @@ static int __xipram do_write_oneword(str + int retry_cnt = 0; + + adr += chip->start; ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif + + mutex_lock(&chip->mutex); + ret = get_chip(map, chip, adr, FL_WRITING); +@@ -1420,7 +1423,11 @@ static int __xipram do_write_buffer(stru + z = 0; + while(z < words * map_bankwidth(map)) { + datum = map_word_load(map, buf); ++#ifdef CONFIG_AMAZON ++ map_write(map, datum, (adr + z) ^ 0x2); ++#else + map_write(map, datum, adr + z); ++#endif + + z += map_bankwidth(map); + buf += map_bankwidth(map); +@@ -1665,6 +1672,9 @@ static int __xipram do_erase_oneblock(st + int ret = 0; + + adr += chip->start; ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif + + mutex_lock(&chip->mutex); + ret = get_chip(map, chip, adr, FL_ERASING); +@@ -1793,6 +1803,10 @@ static int do_atmel_lock(struct map_info + struct cfi_private *cfi = map->fldrv_priv; + int ret; + ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif ++ + mutex_lock(&chip->mutex); + ret = get_chip(map, chip, adr + chip->start, FL_LOCKING); + if (ret) +@@ -1828,6 +1842,10 @@ static int do_atmel_unlock(struct map_in + struct cfi_private *cfi = map->fldrv_priv; + int ret; + ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif ++ + mutex_lock(&chip->mutex); + ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING); + if (ret) |