diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index a72087e..8b362f1 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -1069,6 +1069,8 @@
 #define AMCFGR_EL0_N_MASK	U(0xff)
 
 /* AMCGCR_EL0 definitions */
+#define AMCGCR_EL0_CG0NC_SHIFT	U(0)
+#define AMCGCR_EL0_CG0NC_MASK	U(0xff)
 #define AMCGCR_EL0_CG1NC_SHIFT	U(8)
 #define AMCGCR_EL0_CG1NC_MASK	U(0xff)