1 files changed, 37 insertions, 13 deletions

diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index e6b6a1c66bd5..23a568910341 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -1,14 +1,13 @@
 
-/* Common Flash Interface structures 
+/* Common Flash Interface structures
  * See http://support.intel.com/design/flash/technote/index.htm
- * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $
+ * $Id: cfi.h,v 1.57 2005/11/15 23:28:17 tpoynor Exp $
  */
 
 #ifndef __MTD_CFI_H__
 #define __MTD_CFI_H__
 
 #include <linux/config.h>
-#include <linux/version.h>
 #include <linux/delay.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
@@ -82,8 +81,8 @@ static inline int cfi_interleave_supported(int i)
 }
 
 
-/* NB: these values must represents the number of bytes needed to meet the 
- *     device type (x8, x16, x32).  Eg. a 32 bit device is 4 x 8 bytes. 
+/* NB: these values must represents the number of bytes needed to meet the
+ *     device type (x8, x16, x32).  Eg. a 32 bit device is 4 x 8 bytes.
  *     These numbers are used in calculations.
  */
 #define CFI_DEVICETYPE_X8  (8 / 8)
@@ -173,6 +172,15 @@ struct cfi_intelext_regioninfo {
         struct cfi_intelext_blockinfo BlockTypes[1];
 } __attribute__((packed));
 
+struct cfi_intelext_programming_regioninfo {
+        uint8_t  ProgRegShift;
+        uint8_t  Reserved1;
+        uint8_t  ControlValid;
+        uint8_t  Reserved2;
+        uint8_t  ControlInvalid;
+        uint8_t  Reserved3;
+} __attribute__((packed));
+
 /* Vendor-Specific PRI for AMD/Fujitsu Extended Command Set (0x0002) */
 
 struct cfi_pri_amdstd {
@@ -250,7 +258,7 @@ static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, int interleave, int
 /*
  * Transforms the CFI command for the given geometry (bus width & interleave).
  * It looks too long to be inline, but in the common case it should almost all
- * get optimised away. 
+ * get optimised away.
  */
 static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi)
 {
@@ -259,7 +267,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
         unsigned long onecmd;
         int i;
 
-        /* We do it this way to give the compiler a fighting chance 
+        /* We do it this way to give the compiler a fighting chance
            of optimising away all the crap for 'bankwidth' larger than
            an unsigned long, in the common case where that support is
            disabled */
@@ -270,7 +278,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
                 wordwidth = map_bankwidth(map);
                 words_per_bus = 1;
         }
-        
+
         chip_mode = map_bankwidth(map) / cfi_interleave(cfi);
         chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map);
 
@@ -289,7 +297,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
                 break;
         }
 
-        /* Now replicate it across the size of an unsigned long, or 
+        /* Now replicate it across the size of an unsigned long, or
            just to the bus width as appropriate */
         switch (chips_per_word) {
         default: BUG();
@@ -305,7 +313,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
                 ;
         }
 
-        /* And finally, for the multi-word case, replicate it 
+        /* And finally, for the multi-word case, replicate it
            in all words in the structure */
         for (i=0; i < words_per_bus; i++) {
                 val.x[i] = onecmd;
@@ -316,14 +324,14 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
 #define CMD(x)  cfi_build_cmd((x), map, cfi)
 
 
-static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, 
+static inline unsigned long cfi_merge_status(map_word val, struct map_info *map,
                                            struct cfi_private *cfi)
 {
         int wordwidth, words_per_bus, chip_mode, chips_per_word;
         unsigned long onestat, res = 0;
         int i;
 
-        /* We do it this way to give the compiler a fighting chance 
+        /* We do it this way to give the compiler a fighting chance
            of optimising away all the crap for 'bankwidth' larger than
            an unsigned long, in the common case where that support is
            disabled */
@@ -334,7 +342,7 @@ static inline unsigned char cfi_merge_status(map_word val, struct map_info *map,
                 wordwidth = map_bankwidth(map);
                 words_per_bus = 1;
         }
-        
+
         chip_mode = map_bankwidth(map) / cfi_interleave(cfi);
         chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map);
 
@@ -418,6 +426,22 @@ static inline uint8_t cfi_read_query(struct map_info *map, uint32_t addr)
         }
 }
 
+static inline uint16_t cfi_read_query16(struct map_info *map, uint32_t addr)
+{
+        map_word val = map_read(map, addr);
+
+        if (map_bankwidth_is_1(map)) {
+                return val.x[0] & 0xff;
+        } else if (map_bankwidth_is_2(map)) {
+                return cfi16_to_cpu(val.x[0]);
+        } else {
+                /* No point in a 64-bit byteswap since that would just be
+                   swapping the responses from different chips, and we are
+                   only interested in one chip (a representative sample) */
+                return cfi32_to_cpu(val.x[0]);
+        }
+}
+
 static inline void cfi_udelay(int us)
 {
         if (us >= 1000) {