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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-25 21:59:34 +02:00
openwrt-xburst/target/linux/amazon/patches-2.6.30/160-cfi-swap.patch
hauke 4ac203ac44 [amazon] Add kernel 2.6.30 support
The device is booting and Ethernet is working, but nothing more was tested.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18589 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-11-28 22:17:37 +00:00

57 lines
1.3 KiB
Diff

--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1090,6 +1090,9 @@ static int __xipram do_write_oneword(str
int retry_cnt = 0;
adr += chip->start;
+#ifdef CONFIG_AMAZON
+ adr ^= 2;
+#endif
spin_lock(chip->mutex);
ret = get_chip(map, chip, adr, FL_WRITING);
@@ -1372,7 +1375,11 @@ 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);
@@ -1617,6 +1624,9 @@ static int __xipram do_erase_oneblock(st
int ret = 0;
adr += chip->start;
+#ifdef CONFIG_AMAZON
+ adr ^= 2;
+#endif
spin_lock(chip->mutex);
ret = get_chip(map, chip, adr, FL_ERASING);
@@ -1745,6 +1755,10 @@ static int do_atmel_lock(struct map_info
struct cfi_private *cfi = map->fldrv_priv;
int ret;
+#ifdef CONFIG_AMAZON
+ adr ^= 2;
+#endif
+
spin_lock(chip->mutex);
ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
if (ret)
@@ -1781,6 +1795,10 @@ static int do_atmel_unlock(struct map_in
struct cfi_private *cfi = map->fldrv_priv;
int ret;
+#ifdef CONFIG_AMAZON
+ adr ^= 2;
+#endif
+
spin_lock(chip->mutex);
ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
if (ret)