diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index cb3b442..a31e31d 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -71,6 +71,7 @@
 				plat/xilinx/zynqmp/plat_startup.c		\
 				plat/xilinx/zynqmp/plat_topology.c		\
 				plat/xilinx/zynqmp/sip_svc_setup.c		\
+				plat/xilinx/zynqmp/zynqmp_ipi.c		\
 				plat/xilinx/zynqmp/pm_service/pm_svc_main.c	\
 				plat/xilinx/zynqmp/pm_service/pm_api_sys.c	\
 				plat/xilinx/zynqmp/pm_service/pm_ipi.c		\
diff --git a/plat/xilinx/zynqmp/zynqmp_ipi.c b/plat/xilinx/zynqmp/zynqmp_ipi.c
new file mode 100644
index 0000000..755a3b7
--- /dev/null
+++ b/plat/xilinx/zynqmp/zynqmp_ipi.c
@@ -0,0 +1,283 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Zynq UltraScale+ MPSoC IPI agent registers access management
+ */
+
+#include <bakery_lock.h>
+#include <debug.h>
+#include <errno.h>
+#include <mmio.h>
+#include <runtime_svc.h>
+#include <string.h>
+#include "zynqmp_ipi.h"
+#include "../zynqmp_private.h"
+
+/*********************************************************************
+ * Macros definitions
+ ********************************************************************/
+
+/* IPI registers base address */
+#define IPI_REGS_BASE   0xFF300000U
+
+/* IPI registers offsets macros */
+#define IPI_TRIG_OFFSET 0x00U
+#define IPI_OBR_OFFSET  0x04U
+#define IPI_ISR_OFFSET  0x10U
+#define IPI_IMR_OFFSET  0x14U
+#define IPI_IER_OFFSET  0x18U
+#define IPI_IDR_OFFSET  0x1CU
+
+/* IPI register start offset */
+#define IPI_REG_BASE(I) (zynqmp_ipi_table[(I)].ipi_reg_base)
+
+/* IPI register bit mask */
+#define IPI_BIT_MASK(I) (zynqmp_ipi_table[(I)].ipi_bit_mask)
+
+/* IPI secure check */
+#define IPI_SECURE_MASK  0x1U
+#define IPI_IS_SECURE(I) ((zynqmp_ipi_table[(I)].secure_only & \
+			   IPI_SECURE_MASK) ? 1 : 0)
+
+/*********************************************************************
+ * Struct definitions
+ ********************************************************************/
+
+/* structure to maintain IPI configuration information */
+struct zynqmp_ipi_config {
+	unsigned int ipi_bit_mask;
+	unsigned int ipi_reg_base;
+	unsigned char secure_only;
+};
+
+/* Zynqmp ipi configuration table */
+const static struct zynqmp_ipi_config zynqmp_ipi_table[] = {
+	/* APU IPI */
+	{
+		.ipi_bit_mask = 0x1,
+		.ipi_reg_base = 0xFF300000,
+		.secure_only = 0,
+	},
+	/* RPU0 IPI */
+	{
+		.ipi_bit_mask = 0x100,
+		.ipi_reg_base = 0xFF310000,
+		.secure_only = 0,
+	},
+	/* RPU1 IPI */
+	{
+		.ipi_bit_mask = 0x200,
+		.ipi_reg_base = 0xFF320000,
+		.secure_only = 0,
+	},
+	/* PMU0 IPI */
+	{
+		.ipi_bit_mask = 0x10000,
+		.ipi_reg_base = 0xFF330000,
+		.secure_only = IPI_SECURE_MASK,
+	},
+	/* PMU1 IPI */
+	{
+		.ipi_bit_mask = 0x20000,
+		.ipi_reg_base = 0xFF331000,
+		.secure_only = IPI_SECURE_MASK,
+	},
+	/* PMU2 IPI */
+	{
+		.ipi_bit_mask = 0x40000,
+		.ipi_reg_base = 0xFF332000,
+		.secure_only = IPI_SECURE_MASK,
+	},
+	/* PMU3 IPI */
+	{
+		.ipi_bit_mask = 0x80000,
+		.ipi_reg_base = 0xFF333000,
+		.secure_only = IPI_SECURE_MASK,
+	},
+	/* PL0 IPI */
+	{
+		.ipi_bit_mask = 0x1000000,
+		.ipi_reg_base = 0xFF340000,
+		.secure_only = 0,
+	},
+	/* PL1 IPI */
+	{
+		.ipi_bit_mask = 0x2000000,
+		.ipi_reg_base = 0xFF350000,
+		.secure_only = 0,
+	},
+	/* PL2 IPI */
+	{
+		.ipi_bit_mask = 0x4000000,
+		.ipi_reg_base = 0xFF360000,
+		.secure_only = 0,
+	},
+	/* PL3 IPI */
+	{
+		.ipi_bit_mask = 0x8000000,
+		.ipi_reg_base = 0xFF370000,
+		.secure_only = 0,
+	},
+};
+
+/* is_ipi_mb_within_range() - verify if IPI mailbox is within range
+ *
+ * @local  - local IPI ID
+ * @remote - remote IPI ID
+ *
+ * return - 1 if within range, 0 if not
+ */
+static inline int is_ipi_mb_within_range(uint32_t local, uint32_t remote)
+{
+	int ret = 1;
+	uint32_t ipi_total = ARRAY_SIZE(zynqmp_ipi_table);
+
+	if (remote >= ipi_total || local >= ipi_total)
+		ret = 0;
+
+	return ret;
+}
+
+/**
+ * ipi_mb_validate() - validate IPI mailbox access
+ *
+ * @local  - local IPI ID
+ * @remote - remote IPI ID
+ * @is_secure - indicate if the requester is from secure software
+ *
+ * return - 0 success, negative value for errors
+ */
+int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure)
+{
+	int ret = 0;
+
+	if (!is_ipi_mb_within_range(local, remote))
+		ret = -EINVAL;
+	else if (IPI_IS_SECURE(local) && !is_secure)
+		ret = -EPERM;
+	else if (IPI_IS_SECURE(remote) && !is_secure)
+		ret = -EPERM;
+
+	return ret;
+}
+
+/**
+ * ipi_mb_open() - Open IPI mailbox.
+ *
+ * @local  - local IPI ID
+ * @remote - remote IPI ID
+ *
+ */
+void ipi_mb_open(uint32_t local, uint32_t remote)
+{
+	mmio_write_32(IPI_REG_BASE(local) + IPI_IDR_OFFSET,
+		      IPI_BIT_MASK(remote));
+	mmio_write_32(IPI_REG_BASE(local) + IPI_ISR_OFFSET,
+		      IPI_BIT_MASK(remote));
+}
+
+/**
+ * ipi_mb_release() - Open IPI mailbox.
+ *
+ * @local  - local IPI ID
+ * @remote - remote IPI ID
+ *
+ */
+void ipi_mb_release(uint32_t local, uint32_t remote)
+{
+	mmio_write_32(IPI_REG_BASE(local) + IPI_IDR_OFFSET,
+		      IPI_BIT_MASK(remote));
+}
+
+/**
+ * ipi_mb_enquire_status() - Enquire IPI mailbox status
+ *
+ * @local  - local IPI ID
+ * @remote - remote IPI ID
+ *
+ * return - 0 idle, positive value for pending sending or receiving,
+ *          negative value for errors
+ */
+int ipi_mb_enquire_status(uint32_t local, uint32_t remote)
+{
+	int ret = 0;
+	uint32_t status;
+
+	status = mmio_read_32(IPI_REG_BASE(local) + IPI_OBR_OFFSET);
+	if (status & IPI_BIT_MASK(remote))
+		ret |= IPI_MB_STATUS_SEND_PENDING;
+	status = mmio_read_32(IPI_REG_BASE(local) + IPI_ISR_OFFSET);
+	if (status & IPI_BIT_MASK(remote))
+		ret |= IPI_MB_STATUS_RECV_PENDING;
+
+	return ret;
+}
+
+/* ipi_mb_notify() - Trigger IPI mailbox notification
+ *
+ * @local - local IPI ID
+ * @remote - remote IPI ID
+ * @is_blocking - if to trigger the notification in blocking mode or not.
+ *
+ * It sets the remote bit in the IPI agent trigger register.
+ *
+ */
+void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking)
+{
+	uint32_t status;
+
+	mmio_write_32(IPI_REG_BASE(local) + IPI_TRIG_OFFSET,
+		      IPI_BIT_MASK(remote));
+	if (is_blocking) {
+		do {
+			status = mmio_read_32(IPI_REG_BASE(local) +
+					      IPI_OBR_OFFSET);
+		} while (status & IPI_BIT_MASK(remote));
+	}
+}
+
+/* ipi_mb_ack() - Ack IPI mailbox notification from the other end
+ *
+ * @local - local IPI ID
+ * @remote - remote IPI ID
+ *
+ * It will clear the remote bit in the isr register.
+ *
+ */
+void ipi_mb_ack(uint32_t local, uint32_t remote)
+{
+	mmio_write_32(IPI_REG_BASE(local) + IPI_ISR_OFFSET,
+		      IPI_BIT_MASK(remote));
+}
+
+/* ipi_mb_disable_irq() - Disable IPI mailbox notification interrupt
+ *
+ * @local - local IPI ID
+ * @remote - remote IPI ID
+ *
+ * It will mask the remote bit in the idr register.
+ *
+ */
+void ipi_mb_disable_irq(uint32_t local, uint32_t remote)
+{
+	mmio_write_32(IPI_REG_BASE(local) + IPI_IDR_OFFSET,
+		      IPI_BIT_MASK(remote));
+}
+
+/* ipi_mb_enable_irq() - Enable IPI mailbox notification interrupt
+ *
+ * @local - local IPI ID
+ * @remote - remote IPI ID
+ *
+ * It will mask the remote bit in the idr register.
+ *
+ */
+void ipi_mb_enable_irq(uint32_t local, uint32_t remote)
+{
+	mmio_write_32(IPI_REG_BASE(local) + IPI_IER_OFFSET,
+		      IPI_BIT_MASK(remote));
+}
diff --git a/plat/xilinx/zynqmp/zynqmp_ipi.h b/plat/xilinx/zynqmp/zynqmp_ipi.h
new file mode 100644
index 0000000..0544ddb
--- /dev/null
+++ b/plat/xilinx/zynqmp/zynqmp_ipi.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* ZynqMP IPI management enums and defines */
+
+#ifndef _ZYNQMP_IPI_H_
+#define _ZYNQMP_IPI_H_
+
+#include <stdint.h>
+
+/*********************************************************************
+ * IPI agent IDs macros
+ ********************************************************************/
+#define IPI_ID_APU	0U
+#define IPI_ID_RPU0	1U
+#define IPI_ID_RPU1	2U
+#define IPI_ID_PMU0	3U
+#define IPI_ID_PMU1	4U
+#define IPI_ID_PMU2	5U
+#define IPI_ID_PMU3	6U
+#define IPI_ID_PL0	7U
+#define IPI_ID_PL1	8U
+#define IPI_ID_PL2	9U
+#define IPI_ID_PL3	10U
+
+/*********************************************************************
+ * IPI mailbox status macros
+ ********************************************************************/
+#define IPI_MB_STATUS_IDLE		0
+#define IPI_MB_STATUS_SEND_PENDING	1
+#define IPI_MB_STATUS_RECV_PENDING	2
+
+/*********************************************************************
+ * IPI mailbox call is secure or not macros
+ ********************************************************************/
+#define IPI_MB_CALL_NOTSECURE	0
+#define IPI_MB_CALL_SECURE	1
+
+/*********************************************************************
+ * IPI APIs declarations
+ ********************************************************************/
+
+/* Validate IPI mailbox access */
+int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure);
+
+/* Open the IPI mailbox */
+void ipi_mb_open(uint32_t local, uint32_t remote);
+
+/* Release the IPI mailbox */
+void ipi_mb_release(uint32_t local, uint32_t remote);
+
+/* Enquire IPI mailbox status */
+int ipi_mb_enquire_status(uint32_t local, uint32_t remote);
+
+/* Trigger notification on the IPI mailbox */
+void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking);
+
+/* Ack IPI mailbox notification */
+void ipi_mb_ack(uint32_t local, uint32_t remote);
+
+/* Disable IPI mailbox notification interrupt */
+void ipi_mb_disable_irq(uint32_t local, uint32_t remote);
+
+/* Enable IPI mailbox notification interrupt */
+void ipi_mb_enable_irq(uint32_t local, uint32_t remote);
+
+#endif /* _ZYNQMP_IPI_H_ */