diff --git a/include/spartan2.h b/include/spartan2.h
index f3cde68..bd159e1 100644
--- a/include/spartan2.h
+++ b/include/spartan2.h
@@ -70,6 +70,7 @@
 #define XILINX_XC2S50_SIZE  	559232/8
 #define XILINX_XC2S100_SIZE 	781248/8
 #define XILINX_XC2S150_SIZE 	1040128/8
+#define XILINX_XC2S200_SIZE 	1335872/8
 
 /* Spartan-IIE (1.8V) */
 #define XILINX_XC2S50E_SIZE     630048/8
@@ -96,6 +97,9 @@
 #define XILINX_XC2S150_DESC(iface, fn_table, cookie) \
 { Xilinx_Spartan2, iface, XILINX_XC2S150_SIZE, fn_table, cookie }
 
+#define XILINX_XC2S200_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan2, iface, XILINX_XC2S200_SIZE, fn_table, cookie }
+
 #define XILINX_XC2S50E_DESC(iface, fn_table, cookie) \
 { Xilinx_Spartan2, iface, XILINX_XC2S50E_SIZE, fn_table, cookie }
 
diff --git a/include/spartan3.h b/include/spartan3.h
index 529aade..c203eeb 100644
--- a/include/spartan3.h
+++ b/include/spartan3.h
@@ -81,9 +81,12 @@
 #define	XILINX_XC3S1200E_SIZE	3841184/8
 #define	XILINX_XC3S1600E_SIZE	5969696/8
 
+/* Spartan-IIIE (1.2V) */
+#define XILINX_XC3S1200E_SIZE  	3841184/8
+
 /* Descriptor Macros
  *********************************************************************/
-/* Spartan-II devices */
+/* Spartan-III devices */
 #define XILINX_XC3S50_DESC(iface, fn_table, cookie) \
 { Xilinx_Spartan3, iface, XILINX_XC3S50_SIZE, fn_table, cookie }
 
@@ -125,4 +128,9 @@
 #define XILINX_XC3S1600E_DESC(iface, fn_table, cookie) \
 { Xilinx_Spartan3, iface, XILINX_XC3S1600E_SIZE, fn_table, cookie }
 
+
+/* Spartan-IIIE devices */
+#define XILINX_XC3S1200E_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S1200E_SIZE, fn_table, cookie }
+
 #endif /* _SPARTAN3_H_ */