diff --git a/plat/xilinx/zynqmp/include/plat_ipi.h b/plat/xilinx/zynqmp/include/plat_ipi.h
index c6da241..bccd2f1 100644
--- a/plat/xilinx/zynqmp/include/plat_ipi.h
+++ b/plat/xilinx/zynqmp/include/plat_ipi.h
@@ -28,6 +28,25 @@
 #define IPI_ID_PL3	10U
 
 /*********************************************************************
+ * IPI message buffers
+ ********************************************************************/
+#define IPI_BUFFER_BASEADDR	0xFF990000U
+
+#define IPI_BUFFER_APU_BASE	(IPI_BUFFER_BASEADDR + 0x400U)
+#define IPI_BUFFER_PMU_BASE	(IPI_BUFFER_BASEADDR + 0xE00U)
+
+#define IPI_BUFFER_LOCAL_BASE	IPI_BUFFER_APU_BASE
+#define IPI_BUFFER_REMOTE_BASE	IPI_BUFFER_PMU_BASE
+
+#define IPI_BUFFER_TARGET_LOCAL_OFFSET	0x80U
+#define IPI_BUFFER_TARGET_REMOTE_OFFSET	0x1C0U
+
+#define IPI_BUFFER_MAX_WORDS	8
+
+#define IPI_BUFFER_REQ_OFFSET	0x0U
+#define IPI_BUFFER_RESP_OFFSET	0x20U
+
+/*********************************************************************
  * Platform specific IPI API declarations
  ********************************************************************/
 
diff --git a/plat/xilinx/zynqmp/include/plat_pm_common.h b/plat/xilinx/zynqmp/include/plat_pm_common.h
new file mode 100644
index 0000000..1b371cc
--- /dev/null
+++ b/plat/xilinx/zynqmp/include/plat_pm_common.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Contains platform specific definitions of commonly used macros data types
+ * for PU Power Management. This file should be common for all PU's.
+ */
+
+#ifndef PLAT_PM_COMMON_H
+#define PLAT_PM_COMMON_H
+
+#include <stdint.h>
+#include <common/debug.h>
+#include "pm_defs.h"
+
+#define PAYLOAD_ARG_CNT		6U
+#define PAYLOAD_ARG_SIZE	4U	/* size in bytes */
+
+#define ZYNQMP_TZ_VERSION_MAJOR		1
+#define ZYNQMP_TZ_VERSION_MINOR		0
+#define ZYNQMP_TZ_VERSION		((ZYNQMP_TZ_VERSION_MAJOR << 16) | \
+					ZYNQMP_TZ_VERSION_MINOR)
+#endif /* _PLAT_PM_COMMON_H_ */