diff --git a/include/arch/aarch32/arch_helpers.h b/include/arch/aarch32/arch_helpers.h
index a90b2a5..eed56e2 100644
--- a/include/arch/aarch32/arch_helpers.h
+++ b/include/arch/aarch32/arch_helpers.h
@@ -336,6 +336,11 @@
 DEFINE_DCOP_PARAM_FUNC(cvac, DCCMVAC)
 #endif
 
+/*
+ * DynamIQ Shared Unit power management
+ */
+DEFINE_COPROCR_RW_FUNCS(clusterpwrdn, CLUSTERPWRDN)
+
 /* Previously defined accessor functions with incomplete register names  */
 #define dsb()			dsbsy()
 #define dmb()			dmbsy()