diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 527375f..97e6722 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -295,4 +295,8 @@
 extern const mmap_region_t plat_arm_mmap[];
 extern const unsigned int arm_pm_idle_states[];
 
+/* secure watchdog */
+void plat_arm_secure_wdt_start(void);
+void plat_arm_secure_wdt_stop(void);
+
 #endif /* PLAT_ARM_H */