ar71xx: add initial support for 3.2

Tested on the following boards:
  ALFA AP96
  TL-MR3220 v1
  TL-WR1043ND v1
  TL-WR2543ND v1
  TL-WR703N v1
  TL-WR741ND v1
  TL-WR741ND v4
  WNDR3700 v1
  WZR-HP-G300NH

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 61 insertions, 0 deletions

diff --git a/target/linux/ar71xx/patches-3.2/411-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ar71xx/patches-3.2/411-mtd-cfi_cmdset_0002-force-word-write.patch
new file mode 100644
index 000000000..e4e879b5b
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.2/411-mtd-cfi_cmdset_0002-force-word-write.patch
@@ -0,0 +1,61 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -39,7 +39,7 @@
+ #include <linux/mtd/xip.h>
+ 
+ #define AMD_BOOTLOC_BUG
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ 
+ #define MAX_WORD_RETRIES 3
+ 
+@@ -50,7 +50,9 @@
+ 
+ static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
+ static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
++#if !FORCE_WORD_WRITE
+ static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
++#endif
+ static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *);
+ static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *);
+ static void cfi_amdstd_sync (struct mtd_info *);
+@@ -183,6 +185,7 @@ static void fixup_amd_bootblock(struct m
+ }
+ #endif
+ 
++#if !FORCE_WORD_WRITE
+ static void fixup_use_write_buffers(struct mtd_info *mtd)
+ {
+ 	struct map_info *map = mtd->priv;
+@@ -192,6 +195,7 @@ static void fixup_use_write_buffers(stru
+ 		mtd->write = cfi_amdstd_write_buffers;
+ 	}
+ }
++#endif /* !FORCE_WORD_WRITE */
+ 
+ /* Atmel chips don't use the same PRI format as AMD chips */
+ static void fixup_convert_atmel_pri(struct mtd_info *mtd)
+@@ -1374,6 +1378,7 @@ static int cfi_amdstd_write_words(struct
+ /*
+  * FIXME: interleaved mode not tested, and probably not supported!
+  */
++#if !FORCE_WORD_WRITE
+ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
+ 				    unsigned long adr, const u_char *buf,
+ 				    int len)
+@@ -1485,7 +1490,6 @@ static int __xipram do_write_buffer(stru
+ 	return ret;
+ }
+ 
+-
+ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
+ 				    size_t *retlen, const u_char *buf)
+ {
+@@ -1564,6 +1568,7 @@ static int cfi_amdstd_write_buffers(stru
+ 
+ 	return 0;
+ }
++#endif /* !FORCE_WORD_WRITE */
+ 
+ /*
+  * Handle devices with one erase region, that only implement