diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 66efe45..0a80814 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -237,4 +237,8 @@
 		uint32_t cookie_lo,
 		void *handle);
 
+/* global variables */
+extern plat_psci_ops_t plat_arm_psci_pm_ops;
+extern const mmap_region_t plat_arm_mmap[];
+
 #endif /* __PLAT_ARM_H__ */