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authorHauke Mehrtens <hauke@hauke-m.de>2011-04-10 15:08:28 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2011-04-10 15:08:28 +0000
commitaed622fd2cccaac076436139e74fe408f6f1d9d7 (patch)
tree7206261baf65bf8906b2dd2c2b57e5c0e41f2817 /target/linux/amazon/patches-2.6.37/160-cfi-swap.patch
parent077377a294aa659cd11c6ba52d05382de9d0b0e0 (diff)
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amazon: Upgrade amazon target to kernel 2.6.37
This was just a little bit tested on an SAMSUNG SMT-G3020 and pci and usb do not work like before. SVN-Revision: 26576
Diffstat (limited to 'target/linux/amazon/patches-2.6.37/160-cfi-swap.patch')
-rw-r--r--target/linux/amazon/patches-2.6.37/160-cfi-swap.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch b/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch
new file mode 100644
index 0000000000..65ce6616d3
--- /dev/null
+++ b/target/linux/amazon/patches-2.6.37/160-cfi-swap.patch
@@ -0,0 +1,56 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1166,6 +1166,9 @@ 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);
+@@ -1433,7 +1436,11 @@ 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);
+@@ -1678,6 +1685,9 @@ 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);
+@@ -1806,6 +1816,10 @@ 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)
+@@ -1842,6 +1856,10 @@ 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)