diff --git a/include/asm-arm/arch-at91/irqs.h b/include/asm-arm/arch-at91/irqs.h
index 1127a3b5e928a5c1b7219f439daf3146cb31538a..70b1216dce5dad3718b04fc1fa44b3d8a3810893 100644
--- a/include/asm-arm/arch-at91/irqs.h
+++ b/include/asm-arm/arch-at91/irqs.h
@@ -42,4 +42,7 @@
  */
 #define	NR_IRQS		(NR_AIC_IRQS + (5 * 32))
 
+/* FIQ is AIC source 0. */
+#define FIQ_START AT91_ID_FIQ
+
 #endif