ar71xx: update cfi patches for 2.6.3[12] as well

SVN-Revision: 19188

6 files changed, 260 insertions, 40 deletions

diff --git a/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch b/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch
deleted file mode 100644
index 22aefe0..0000000
--- a/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- a/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -1568,7 +1568,7 @@ static int __xipram do_erase_chip(struct
- 			chip->erase_suspended = 0;
- 		}
- 
--		if (chip_ready(map, adr))
-+		if (chip_good(map, adr, map_word_ff(map)))
- 			break;
- 
- 		if (time_after(jiffies, timeo)) {
-@@ -1656,7 +1656,7 @@ static int __xipram do_erase_oneblock(st
- 			chip->erase_suspended = 0;
- 		}
- 
--		if (chip_ready(map, adr)) {
-+		if (chip_good(map, adr, map_word_ff(map))) {
- 			xip_enable(map, chip, adr);
- 			break;
- 		}
diff --git a/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_status_check.patch
new file mode 100644
index 0000000..d4272ab
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.31/108-mtd_fix_cfi_cmdset_0002_status_check.patch
@@ -0,0 +1,69 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1141,8 +1141,8 @@ static int __xipram do_write_oneword(str
+ 			break;
+ 		}
+ 
+-		if (chip_ready(map, adr))
+-			break;
++		if (chip_good(map, adr, datum))
++			goto enable_xip;
+ 
+ 		/* Latency issues. Drop the lock, wait a while and retry */
+ 		UDELAY(map, chip, adr, 1);
+@@ -1158,6 +1158,8 @@ static int __xipram do_write_oneword(str
+ 
+ 		ret = -EIO;
+ 	}
++
++ enable_xip:
+ 	xip_enable(map, chip, adr);
+  op_done:
+ 	chip->state = FL_READY;
+@@ -1504,7 +1506,6 @@ static int cfi_amdstd_write_buffers(stru
+ 	return 0;
+ }
+ 
+-
+ /*
+  * Handle devices with one erase region, that only implement
+  * the chip erase command.
+@@ -1568,8 +1569,8 @@ static int __xipram do_erase_chip(struct
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr))
+-			break;
++		if (chip_good(map, adr, map_word_ff(map)))
++			goto op_done;
+ 
+ 		if (time_after(jiffies, timeo)) {
+ 			printk(KERN_WARNING "MTD %s(): software timeout\n",
+@@ -1589,6 +1590,7 @@ static int __xipram do_erase_chip(struct
+ 		ret = -EIO;
+ 	}
+ 
++ op_done:
+ 	chip->state = FL_READY;
+ 	xip_enable(map, chip, adr);
+ 	put_chip(map, chip, adr);
+@@ -1656,9 +1658,9 @@ static int __xipram do_erase_oneblock(st
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr)) {
++		if (chip_good(map, adr, map_word_ff(map))) {
+ 			xip_enable(map, chip, adr);
+-			break;
++			goto op_done;
+ 		}
+ 
+ 		if (time_after(jiffies, timeo)) {
+@@ -1680,6 +1682,7 @@ static int __xipram do_erase_oneblock(st
+ 		ret = -EIO;
+ 	}
+ 
++ op_done:
+ 	chip->state = FL_READY;
+ 	put_chip(map, chip, adr);
+ 	spin_unlock(chip->mutex);
diff --git a/target/linux/ar71xx/patches-2.6.31/111-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ar71xx/patches-2.6.31/111-mtd-cfi_cmdset_0002-force-word-write.patch
new file mode 100644
index 0000000..4be025d
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.31/111-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
+ 
+@@ -55,7 +55,9 @@
+ 
+ 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 *);
+@@ -190,6 +192,7 @@ static void fixup_amd_bootblock(struct m
+ }
+ #endif
+ 
++#if !FORCE_WORD_WRITE
+ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
+ {
+ 	struct map_info *map = mtd->priv;
+@@ -199,6 +202,7 @@ 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, void *param)
+@@ -1315,6 +1319,7 @@ 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)
+@@ -1426,7 +1431,6 @@ 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)
+ {
+@@ -1505,6 +1509,7 @@ static int cfi_amdstd_write_buffers(stru
+ 
+ 	return 0;
+ }
++#endif /* !FORCE_WORD_WRITE */
+ 
+ /*
+  * Handle devices with one erase region, that only implement
diff --git a/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch b/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch
deleted file mode 100644
index 22aefe0..0000000
--- a/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_erase_status_check.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- a/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -1568,7 +1568,7 @@ static int __xipram do_erase_chip(struct
- 			chip->erase_suspended = 0;
- 		}
- 
--		if (chip_ready(map, adr))
-+		if (chip_good(map, adr, map_word_ff(map)))
- 			break;
- 
- 		if (time_after(jiffies, timeo)) {
-@@ -1656,7 +1656,7 @@ static int __xipram do_erase_oneblock(st
- 			chip->erase_suspended = 0;
- 		}
- 
--		if (chip_ready(map, adr)) {
-+		if (chip_good(map, adr, map_word_ff(map))) {
- 			xip_enable(map, chip, adr);
- 			break;
- 		}
diff --git a/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_status_check.patch
new file mode 100644
index 0000000..d4272ab
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/108-mtd_fix_cfi_cmdset_0002_status_check.patch
@@ -0,0 +1,69 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1141,8 +1141,8 @@ static int __xipram do_write_oneword(str
+ 			break;
+ 		}
+ 
+-		if (chip_ready(map, adr))
+-			break;
++		if (chip_good(map, adr, datum))
++			goto enable_xip;
+ 
+ 		/* Latency issues. Drop the lock, wait a while and retry */
+ 		UDELAY(map, chip, adr, 1);
+@@ -1158,6 +1158,8 @@ static int __xipram do_write_oneword(str
+ 
+ 		ret = -EIO;
+ 	}
++
++ enable_xip:
+ 	xip_enable(map, chip, adr);
+  op_done:
+ 	chip->state = FL_READY;
+@@ -1504,7 +1506,6 @@ static int cfi_amdstd_write_buffers(stru
+ 	return 0;
+ }
+ 
+-
+ /*
+  * Handle devices with one erase region, that only implement
+  * the chip erase command.
+@@ -1568,8 +1569,8 @@ static int __xipram do_erase_chip(struct
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr))
+-			break;
++		if (chip_good(map, adr, map_word_ff(map)))
++			goto op_done;
+ 
+ 		if (time_after(jiffies, timeo)) {
+ 			printk(KERN_WARNING "MTD %s(): software timeout\n",
+@@ -1589,6 +1590,7 @@ static int __xipram do_erase_chip(struct
+ 		ret = -EIO;
+ 	}
+ 
++ op_done:
+ 	chip->state = FL_READY;
+ 	xip_enable(map, chip, adr);
+ 	put_chip(map, chip, adr);
+@@ -1656,9 +1658,9 @@ static int __xipram do_erase_oneblock(st
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr)) {
++		if (chip_good(map, adr, map_word_ff(map))) {
+ 			xip_enable(map, chip, adr);
+-			break;
++			goto op_done;
+ 		}
+ 
+ 		if (time_after(jiffies, timeo)) {
+@@ -1680,6 +1682,7 @@ static int __xipram do_erase_oneblock(st
+ 		ret = -EIO;
+ 	}
+ 
++ op_done:
+ 	chip->state = FL_READY;
+ 	put_chip(map, chip, adr);
+ 	spin_unlock(chip->mutex);
diff --git a/target/linux/ar71xx/patches-2.6.32/111-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ar71xx/patches-2.6.32/111-mtd-cfi_cmdset_0002-force-word-write.patch
new file mode 100644
index 0000000..4be025d
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/111-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
+ 
+@@ -55,7 +55,9 @@
+ 
+ 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 *);
+@@ -190,6 +192,7 @@ static void fixup_amd_bootblock(struct m
+ }
+ #endif
+ 
++#if !FORCE_WORD_WRITE
+ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
+ {
+ 	struct map_info *map = mtd->priv;
+@@ -199,6 +202,7 @@ 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, void *param)
+@@ -1315,6 +1319,7 @@ 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)
+@@ -1426,7 +1431,6 @@ 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)
+ {
+@@ -1505,6 +1509,7 @@ static int cfi_amdstd_write_buffers(stru
+ 
+ 	return 0;
+ }
++#endif /* !FORCE_WORD_WRITE */
+ 
+ /*
+  * Handle devices with one erase region, that only implement