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-rw-r--r--include/linux/mtd/cfi.h12
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.
*/