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openwrt-xburst/target/linux/ifxmips/patches-2.6.33/200-cfi-swap.patch
blogic 0b10449413 [ifxmips]
* remove references to gpio_dev
* make vmmc driver register its own memory and dont rely on arch code to do so
* makes any Danube board with a CFI commandset 2 NOR flash chip functional again
* fixes filenames of downloaded firmwares

thanks, Ithamar R. Adema



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22515 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-08-06 15:49:42 +00:00

52 lines
1.1 KiB
Diff

--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -41,7 +41,11 @@
/* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
// debugging, turns off buffer write mode if set to 1
-#define FORCE_WORD_WRITE 0
+#ifdef CONFIG_IFXMIPS
+# define FORCE_WORD_WRITE 1
+#else
+# define FORCE_WORD_WRITE 0
+#endif
/* Intel chips */
#define I82802AB 0x00ad
@@ -1494,6 +1498,9 @@ static int __xipram do_write_oneword(str
int ret=0;
adr += chip->start;
+#ifdef CONFIG_IFXMIPS
+ adr ^= 2;
+#endif
switch (mode) {
case FL_WRITING:
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -39,7 +39,11 @@
#include <linux/mtd/xip.h>
#define AMD_BOOTLOC_BUG
-#define FORCE_WORD_WRITE 0
+#ifdef CONFIG_IFXMIPS
+# define FORCE_WORD_WRITE 1
+#else
+# define FORCE_WORD_WRITE 0
+#endif
#define MAX_WORD_RETRIES 3
@@ -1096,7 +1096,9 @@ static int __xipram do_write_oneword(str
int retry_cnt = 0;
adr += chip->start;
-
+#ifdef CONFIG_IFXMIPS
+ adr ^= 2;
+#endif
spin_lock(chip->mutex);
ret = get_chip(map, chip, adr, FL_WRITING);
if (ret) {