[MTD] [NOR] Fix incorrect interface code for x16/x32 chips

According to "Common Flash Memory Interface Publication 100" dated December 1,
2001, the interface code for x16/x32 chips is 0x0005, and not 0x0004 used so
far.

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index e17c5343cf51..b0ddf4b25862 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -98,6 +98,18 @@ static inline int cfi_interleave_supported(int i)
 #define CFI_DEVICETYPE_X32 (32 / 8)
 #define CFI_DEVICETYPE_X64 (64 / 8)
 
+
+/* Device Interface Code Assignments from the "Common Flash Memory Interface
+ * Publication 100" dated December 1, 2001.
+ */
+#define CFI_INTERFACE_X8_ASYNC          0x0000
+#define CFI_INTERFACE_X16_ASYNC         0x0001
+#define CFI_INTERFACE_X8_BY_X16_ASYNC   0x0002
+#define CFI_INTERFACE_X32_ASYNC         0x0003
+#define CFI_INTERFACE_X16_BY_X32_ASYNC  0x0005
+#define CFI_INTERFACE_NOT_ALLOWED       0xffff
+
+
 /* NB: We keep these structures in memory in HOST byteorder, except
  * where individually noted.
  */