aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/amazon/patches-3.3/160-cfi-swap.patch
diff options
context:
space:
mode:
authorHauke Mehrtens <hauke@hauke-m.de>2012-05-13 15:10:40 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2012-05-13 15:10:40 +0000
commitabd74f86b459f4ac684de4a0f1bf6552d14b105a (patch)
tree5e6a8d954a21071671d2dc346bc97c6bb0d8ec3c /target/linux/amazon/patches-3.3/160-cfi-swap.patch
parent2803206c500fd09cbcb926e9cba7b19b5ae0d9f2 (diff)
downloadupstream-abd74f86b459f4ac684de4a0f1bf6552d14b105a.tar.gz
upstream-abd74f86b459f4ac684de4a0f1bf6552d14b105a.tar.bz2
upstream-abd74f86b459f4ac684de4a0f1bf6552d14b105a.zip
amazon: update amazon target to kernel 3.3
This is just compile tested, my device is currently not working. SVN-Revision: 31706
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.patch56
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)