diff --git a/flashchips.h b/flashchips.h
index 99e37d5..d123ab0 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -382,10 +382,10 @@
  * and use the same set of IDs.
  */
 #define MACRONIX_ID		0xC2	/* Macronix (MX) */
-#define MACRONIX_MX25L512	0x2010	/* Same as MX25V512 */
-#define MACRONIX_MX25L1005	0x2011
-#define MACRONIX_MX25L2005	0x2012
-#define MACRONIX_MX25L4005	0x2013	/* MX25L4005{,A} */
+#define MACRONIX_MX25L512	0x2010	/* Same as MX25L512E, MX25V512, MX25V512C */
+#define MACRONIX_MX25L1005	0x2011	/* Same as MX25L1005C, MX25L1006E */
+#define MACRONIX_MX25L2005	0x2012	/* Same as MX25L2005C */
+#define MACRONIX_MX25L4005	0x2013	/* Same as MX25L4005A, MX25L4005C */
 #define MACRONIX_MX25L8005	0x2014	/* Same as MX25V8005 */
 #define MACRONIX_MX25L1605	0x2015	/* MX25L1605{,A,D} */
 #define MACRONIX_MX25L3205	0x2016	/* MX25L3205{,A} */
@@ -393,6 +393,9 @@
 #define MACRONIX_MX25L12805	0x2018	/* MX25L12805 */
 #define MACRONIX_MX25L1635D	0x2415
 #define MACRONIX_MX25L1635E	0x2515	/* MX25L1635{E} */
+#define MACRONIX_MX25U1635E	0x2535
+#define MACRONIX_MX25U3235E	0x2536	/* Same as MX25U6435F */
+#define MACRONIX_MX25U6435E	0x2537	/* Same as MX25U6435F */
 #define MACRONIX_MX25L3235D	0x5E16	/* MX25L3225D/MX25L3235D/MX25L3237D */
 #define MACRONIX_MX29F001B	0x19
 #define MACRONIX_MX29F001T	0x18