diff --git a/flash.h b/flash.h
index f477da5..8a6f766 100644
--- a/flash.h
+++ b/flash.h
@@ -34,6 +34,9 @@
 #define MX_ID             0xC2
 #define MX_29F002         0xB0
 
+#define SHARP_ID            0xB0
+#define SHARP_LHF00L04      0xCF
+
 #define SST_ID            0xBF	/* SST Manufacturer ID code   */
 #define SST_29EE020A      0x10	/* SST 29EE020 device code      */
 #define SST_28SF040       0x04	/* SST 29EE040 device code    */