diff --git a/plat/arm/css/sgi/include/sgi_variant.h b/plat/arm/css/sgi/include/sgi_variant.h
index f4c5300..eb12f3f 100644
--- a/plat/arm/css/sgi/include/sgi_variant.h
+++ b/plat/arm/css/sgi/include/sgi_variant.h
@@ -17,6 +17,9 @@
 /* SID Version values for RD-Daniel */
 #define RD_DANIEL_SID_VER_PART_NUM		0x078a
 
+/* SID Version values for RD-N2 */
+#define RD_N2_SID_VER_PART_NUM			0x07B7
+
 /* Structure containing SGI platform variant information */
 typedef struct sgi_platform_info {
 	unsigned int platform_id;	/* Part Number of the platform */