diff --git a/plat/xilinx/zynqmp/pm_service/pm_common.h b/plat/xilinx/zynqmp/pm_service/pm_common.h
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+/*
+ * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Contains definitions of commonly used macros and data types needed
+ * for PU Power Management. This file should be common for all PU's.
+ */
+
+#ifndef _PM_COMMON_H_
+#define _PM_COMMON_H_
+
+#include <debug.h>
+#include <stdint.h>
+#include "pm_defs.h"
+
+#define PAYLOAD_ARG_CNT		6U
+#define PAYLOAD_ARG_SIZE	4U	/* size in bytes */
+
+/**
+ * pm_ipi - struct for capturing IPI-channel specific info
+ * @mask	mask for enabling/disabling and triggering the IPI
+ * @base	base address for IPI
+ * @buffer_base	base address for payload buffer
+ */
+struct pm_ipi {
+	const unsigned int mask;
+	const uintptr_t base;
+	const uintptr_t buffer_base;
+};
+
+/**
+ * pm_proc - struct for capturing processor related info
+ * @node_id	node-ID of the processor
+ * @pwrdn_mask	cpu-specific mask to be used for power control register
+ * @ipi		pointer to IPI channel structure
+ *		(in APU all processors share one IPI channel)
+ */
+struct pm_proc {
+	const enum pm_node_id node_id;
+	const unsigned int pwrdn_mask;
+	const struct pm_ipi *ipi;
+};
+
+const struct pm_proc *pm_get_proc(unsigned int cpuid);
+const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid);
+
+#endif /* _PM_COMMON_H_ */