diff --git a/plat/nxp/common/setup/core.mk b/plat/nxp/common/setup/core.mk
index 9b81f2d..82ce30e 100644
--- a/plat/nxp/common/setup/core.mk
+++ b/plat/nxp/common/setup/core.mk
@@ -1,4 +1,4 @@
-# Copyright 2018-2020 NXP
+# Copyright 2018-2021 NXP
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -11,9 +11,11 @@
 
 CPU_LIBS		:=	lib/cpus/${ARCH}/aem_generic.S
 
-ifeq (,$(filter $(CORE_TYPE),a53 a55 a57 a72 a75))
+ifeq (,$(filter $(CORE_TYPE),a53 a72))
 $(error "CORE_TYPE not specified or incorrect")
 else
+UPPER_CORE_TYPE=$(shell echo $(CORE_TYPE) | tr a-z A-Z)
+$(eval $(call add_define_val,CPUECTLR_EL1,CORTEX_$(UPPER_CORE_TYPE)_ECTLR_EL1))
 CPU_LIBS		+=	lib/cpus/${ARCH}/cortex_$(CORE_TYPE).S
 endif