diff --git a/plat/arm/css/common/css_bl1_setup.c b/plat/arm/css/common/css_bl1_setup.c
index 7a2a6ff..b1b275c 100644
--- a/plat/arm/css/common/css_bl1_setup.c
+++ b/plat/arm/css/common/css_bl1_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,6 +7,7 @@
 #include <bl_common.h>
 #include <debug.h>
 #include <plat_arm.h>
+#include <platform.h>
 #include <soc_css.h>
 
 void bl1_platform_setup(void)
diff --git a/plat/arm/css/common/css_bl2u_setup.c b/plat/arm/css/common/css_bl2u_setup.c
index d225151..4ceb5cd 100644
--- a/plat/arm/css/common/css_bl2u_setup.c
+++ b/plat/arm/css/common/css_bl2u_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,6 +7,7 @@
 #include <bl_common.h>
 #include <debug.h>
 #include <plat_arm.h>
+#include <platform.h>
 #include "../drivers/scp/css_scp.h"
 
 /* Weak definition may be overridden in specific CSS based platform */
diff --git a/plat/arm/css/common/css_topology.c b/plat/arm/css/common/css_topology.c
index 9b114e2..bccf2c8 100644
--- a/plat/arm/css/common/css_topology.c
+++ b/plat/arm/css/common/css_topology.c
@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <plat_arm.h>
+#include <platform.h>
 
 #if ARM_PLAT_MT
 #pragma weak plat_arm_get_cpu_pe_count