[MTD] XIP for AMD CFI flash.

Author: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Todd Poynor <tpoynor@mvista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/mtd/chips/Kconfig

 # drivers/mtd/chips/Kconfig
-# $Id: Kconfig,v 1.14 2005/02/08 17:11:15 nico Exp $
+# $Id: Kconfig,v 1.15 2005/06/06 23:04:35 tpoynor Exp $
 
 menu "RAM/ROM/Flash chip drivers"
 	depends on MTD!=n
@@ -300,7 +300,7 @@ config MTD_JEDEC
 
 config MTD_XIP
 	bool "XIP aware MTD support"
-	depends on !SMP && MTD_CFI_INTELEXT && EXPERIMENTAL
+	depends on !SMP && (MTD_CFI_INTELEXT || MTD_CFI_AMDSTD) && EXPERIMENTAL
 	default y if XIP_KERNEL
 	help
 	  This allows MTD support to work with flash memory which is also

drivers/mtd/chips/fwh_lock.h

@@ -58,10 +58,10 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
 	 * to flash memory - that means that we don't have to check status
 	 * and timeout.
 	 */
-	cfi_spin_lock(chip->mutex);
+	spin_lock(chip->mutex);
 	ret = get_chip(map, chip, adr, FL_LOCKING);
 	if (ret) {
-		cfi_spin_unlock(chip->mutex);
+		spin_unlock(chip->mutex);
 		return ret;
 	}
 
@@ -71,7 +71,7 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
 	/* Done and happy. */
 	chip->state = FL_READY;
 	put_chip(map, chip, adr);
-	cfi_spin_unlock(chip->mutex);
+	spin_unlock(chip->mutex);
 	return 0;
 }
 

drivers/mtd/maps/map_funcs.c

 /*
- * $Id: map_funcs.c,v 1.9 2004/07/13 22:33:15 dwmw2 Exp $
+ * $Id: map_funcs.c,v 1.10 2005/06/06 23:04:36 tpoynor Exp $
  *
  * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS
  * is enabled.
@@ -9,23 +9,24 @@
 #include <linux/module.h>
 
 #include <linux/mtd/map.h>
+#include <linux/mtd/xip.h>
 
-static map_word simple_map_read(struct map_info *map, unsigned long ofs)
+static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs)
 {
 	return inline_map_read(map, ofs);
 }
 
-static void simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
+static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
 {
 	inline_map_write(map, datum, ofs);
 }
 
-static void simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
 {
 	inline_map_copy_from(map, to, from, len);
 }
 
-static void simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
 {
 	inline_map_copy_to(map, to, from, len);
 }

include/linux/mtd/cfi.h

 
 /* Common Flash Interface structures 
  * See http://support.intel.com/design/flash/technote/index.htm
- * $Id: cfi.h,v 1.53 2005/03/15 19:03:13 gleixner Exp $
+ * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $
  */
 
 #ifndef __MTD_CFI_H__
@@ -428,16 +428,6 @@ static inline void cfi_udelay(int us)
 	}
 }
 
-static inline void cfi_spin_lock(spinlock_t *mutex)
-{
-	spin_lock_bh(mutex);
-}
-
-static inline void cfi_spin_unlock(spinlock_t *mutex)
-{
-	spin_unlock_bh(mutex);
-}
-
 struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size,
 			     const char* name);
 struct cfi_fixup {