diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 42a9095..8e69399 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -103,7 +103,7 @@
 				lib/cpus/aarch64/cortex_a73.S			\
 				lib/cpus/aarch64/cortex_a75.S			\
 				lib/cpus/aarch64/cortex_a76.S			\
-				lib/cpus/aarch64/cortex_ares.S			\
+				lib/cpus/aarch64/neoverse_n1.S			\
 				lib/cpus/aarch64/cortex_deimos.S
 else
 FVP_CPU_LIBS		+=	lib/cpus/aarch32/cortex_a32.S
@@ -214,7 +214,7 @@
 
 ifeq (${ENABLE_AMU},1)
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a75_pubsub.c	\
-				lib/cpus/aarch64/cortex_ares_pubsub.c	\
+				lib/cpus/aarch64/neoverse_n1_pubsub.c	\
 				lib/cpus/aarch64/cpuamu.c		\
 				lib/cpus/aarch64/cpuamu_helpers.S
 endif
diff --git a/plat/arm/board/n1sdp/aarch64/n1sdp_helper.S b/plat/arm/board/n1sdp/aarch64/n1sdp_helper.S
index 6eb01aa..c03185a 100644
--- a/plat/arm/board/n1sdp/aarch64/n1sdp_helper.S
+++ b/plat/arm/board/n1sdp/aarch64/n1sdp_helper.S
@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <arch.h>
 #include <asm_macros.S>
-#include <cortex_ares.h>
+#include <neoverse_n1.h>
 #include <cpu_macros.S>
 #include <platform_def.h>
 
@@ -58,17 +58,17 @@
 	 */
 
 func plat_reset_handler
-	jump_if_cpu_midr CORTEX_ARES_MIDR, ARES
+	jump_if_cpu_midr NEOVERSE_N1_MIDR, N1
 	ret
 
 	/* -----------------------------------------------------
 	 * Disable CPU power down bit in power control register
 	 * -----------------------------------------------------
 	 */
-ARES:
-	mrs	x0, CORTEX_ARES_CPUPWRCTLR_EL1
-	bic	x0, x0, #CORTEX_ARES_CORE_PWRDN_EN_MASK
-	msr	CORTEX_ARES_CPUPWRCTLR_EL1, x0
+N1:
+	mrs	x0, NEOVERSE_N1_CPUPWRCTLR_EL1
+	bic	x0, x0, #NEOVERSE_N1_CORE_PWRDN_EN_MASK
+	msr	NEOVERSE_N1_CPUPWRCTLR_EL1, x0
 	isb
 	ret
 endfunc plat_reset_handler
diff --git a/plat/arm/board/n1sdp/platform.mk b/plat/arm/board/n1sdp/platform.mk
index 2b68f65..653d081 100644
--- a/plat/arm/board/n1sdp/platform.mk
+++ b/plat/arm/board/n1sdp/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,7 +12,7 @@
 PLAT_INCLUDES		:=	-I${N1SDP_BASE}/include
 
 
-N1SDP_CPU_SOURCES	:=	lib/cpus/aarch64/cortex_ares.S
+N1SDP_CPU_SOURCES	:=	lib/cpus/aarch64/neoverse_n1.S
 
 
 N1SDP_GIC_SOURCES	:=	drivers/arm/gic/common/gic_common.c	\
diff --git a/plat/arm/board/sgiclarka/platform.mk b/plat/arm/board/sgiclarka/platform.mk
index 1a8b157..81e416e 100644
--- a/plat/arm/board/sgiclarka/platform.mk
+++ b/plat/arm/board/sgiclarka/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -10,7 +10,7 @@
 
 PLAT_INCLUDES		+=	-I${SGICLARKA_BASE}/include/
 
-SGI_CPU_SOURCES		:=	lib/cpus/aarch64/cortex_ares.S
+SGI_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_n1.S
 
 BL1_SOURCES		+=	${SGI_CPU_SOURCES}
 
diff --git a/plat/arm/css/sgi/aarch64/sgi_helper.S b/plat/arm/css/sgi/aarch64/sgi_helper.S
index d79f1aa..b80903d 100644
--- a/plat/arm/css/sgi/aarch64/sgi_helper.S
+++ b/plat/arm/css/sgi/aarch64/sgi_helper.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,7 +8,7 @@
 #include <asm_macros.S>
 #include <platform_def.h>
 #include <cortex_a75.h>
-#include <cortex_ares.h>
+#include <neoverse_n1.h>
 #include <cpu_macros.S>
 
 	.globl	plat_arm_calc_core_pos
@@ -59,7 +59,7 @@
 	 */
 func plat_reset_handler
 	jump_if_cpu_midr CORTEX_A75_MIDR, A75
-	jump_if_cpu_midr CORTEX_ARES_MIDR, ARES
+	jump_if_cpu_midr NEOVERSE_N1_MIDR, N1
 	ret
 
 	/* -----------------------------------------------------
@@ -73,10 +73,10 @@
 	isb
 	ret
 
-ARES:
-	mrs	x0, CORTEX_ARES_CPUPWRCTLR_EL1
-	bic	x0, x0, #CORTEX_ARES_CORE_PWRDN_EN_MASK
-	msr	CORTEX_ARES_CPUPWRCTLR_EL1, x0
+N1:
+	mrs	x0, NEOVERSE_N1_CPUPWRCTLR_EL1
+	bic	x0, x0, #NEOVERSE_N1_CORE_PWRDN_EN_MASK
+	msr	NEOVERSE_N1_CPUPWRCTLR_EL1, x0
 	isb
 	ret
 endfunc plat_reset_handler