xilinx: Add support to send PM API to PMC using IPI for versal

Port ZynqMP PM services for versal to send PM APIs to PMC
using IPI.

Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Wendy Liang <wendy.liang@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I27a52faf27f1a2919213498276a6885a177cb6da
diff --git a/plat/xilinx/versal/aarch64/versal_common.c b/plat/xilinx/versal/aarch64/versal_common.c
index 0d7eefb..2c6ff05 100644
--- a/plat/xilinx/versal/aarch64/versal_common.c
+++ b/plat/xilinx/versal/aarch64/versal_common.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <plat_ipi.h>
 #include <versal_def.h>
 #include <plat_private.h>
 #include <common/debug.h>
@@ -38,6 +39,9 @@
 {
 	uint32_t val;
 
+	/* Configure IPI data for versal */
+	versal_ipi_config_table_init();
+
 	versal_print_platform_name();
 
 	mmio_write_32(VERSAL_CRL_IOU_SWITCH_CTRL,
diff --git a/plat/xilinx/versal/include/plat_ipi.h b/plat/xilinx/versal/include/plat_ipi.h
new file mode 100644
index 0000000..6b08f32
--- /dev/null
+++ b/plat/xilinx/versal/include/plat_ipi.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Versal IPI management enums and defines */
+
+#ifndef PLAT_IPI_H
+#define PLAT_IPI_H
+
+#include <ipi.h>
+#include <stdint.h>
+
+/*********************************************************************
+ * IPI agent IDs macros
+ ********************************************************************/
+#define IPI_ID_PMC	1U
+#define IPI_ID_APU	2U
+#define IPI_ID_RPU0	3U
+#define IPI_ID_RPU1	4U
+#define IPI_ID_3	5U
+#define IPI_ID_4	6U
+#define IPI_ID_5	7U
+
+/*********************************************************************
+ * IPI message buffers
+ ********************************************************************/
+#define IPI_BUFFER_BASEADDR	0xFF3F0000U
+
+#define IPI_BUFFER_APU_BASE	(IPI_BUFFER_BASEADDR + 0x400U)
+#define IPI_BUFFER_PMC_BASE	(IPI_BUFFER_BASEADDR + 0x200U)
+
+#define IPI_BUFFER_TARGET_APU_OFFSET	0x0U
+#define IPI_BUFFER_TARGET_PMC_OFFSET	0x40U
+
+#define IPI_BUFFER_LOCAL_BASE	IPI_BUFFER_APU_BASE
+#define IPI_BUFFER_REMOTE_BASE	IPI_BUFFER_PMC_BASE
+
+#define IPI_BUFFER_TARGET_LOCAL_OFFSET	IPI_BUFFER_TARGET_APU_OFFSET
+#define IPI_BUFFER_TARGET_REMOTE_OFFSET	IPI_BUFFER_TARGET_PMC_OFFSET
+
+#define IPI_BUFFER_MAX_WORDS	8
+
+#define IPI_BUFFER_REQ_OFFSET	0x0U
+#define IPI_BUFFER_RESP_OFFSET	0x20U
+
+/*********************************************************************
+ * Platform specific IPI API declarations
+ ********************************************************************/
+
+/* Configure IPI table for versal */
+void versal_ipi_config_table_init(void);
+
+#endif /* PLAT_IPI_H */
diff --git a/plat/xilinx/versal/include/plat_pm_common.h b/plat/xilinx/versal/include/plat_pm_common.h
new file mode 100644
index 0000000..6b202c7
--- /dev/null
+++ b/plat/xilinx/versal/include/plat_pm_common.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. 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 <common/debug.h>
+#include <stdint.h>
+#include "pm_defs.h"
+
+#define PAYLOAD_ARG_CNT		6U
+#define PAYLOAD_ARG_SIZE	4U	/* size in bytes */
+
+#endif /* PLAT_PM_COMMON_H */
diff --git a/plat/xilinx/versal/include/versal_def.h b/plat/xilinx/versal/include/versal_def.h
index d4e3885..21883a1 100644
--- a/plat/xilinx/versal/include/versal_def.h
+++ b/plat/xilinx/versal/include/versal_def.h
@@ -106,4 +106,19 @@
 
 #define FPD_APU_CONFIG_0_VINITHI_SHIFT	8
 
+/* IPI registers and bitfields */
+#define IPI0_REG_BASE		0xFF330000
+#define IPI0_TRIG_BIT		(1 << 2)
+#define PMC_IPI_TRIG_BIT	(1 << 1)
+#define IPI1_REG_BASE		0xFF340000
+#define IPI1_TRIG_BIT		(1 << 3)
+#define IPI2_REG_BASE		0xFF350000
+#define IPI2_TRIG_BIT		(1 << 4)
+#define IPI3_REG_BASE		0xFF360000
+#define IPI3_TRIG_BIT		(1 << 5)
+#define IPI4_REG_BASE		0xFF370000
+#define IPI4_TRIG_BIT		(1 << 5)
+#define IPI5_REG_BASE		0xFF380000
+#define IPI5_TRIG_BIT		(1 << 6)
+
 #endif /* VERSAL_DEF_H */
diff --git a/plat/xilinx/versal/platform.mk b/plat/xilinx/versal/platform.mk
index 1c56364..190be32 100644
--- a/plat/xilinx/versal/platform.mk
+++ b/plat/xilinx/versal/platform.mk
@@ -37,7 +37,9 @@
 VERSAL_CONSOLE	?=	pl011
 $(eval $(call add_define_val,VERSAL_CONSOLE,VERSAL_CONSOLE_ID_${VERSAL_CONSOLE}))
 
-PLAT_INCLUDES		:=	-Iplat/xilinx/versal/include/
+PLAT_INCLUDES		:=	-Iplat/xilinx/common/include/			\
+				-Iplat/xilinx/versal/include/			\
+				-Iplat/xilinx/versal/pm_service/
 
 PLAT_BL_COMMON_SOURCES	:=	lib/xlat_tables/xlat_tables_common.c		\
 				lib/xlat_tables/aarch64/xlat_tables.c		\
@@ -55,9 +57,14 @@
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a53.S			\
 				lib/cpus/aarch64/cortex_a72.S			\
 				plat/common/plat_psci_common.c			\
+				plat/xilinx/common/ipi.c			\
+				plat/xilinx/common/pm_service/pm_ipi.c		\
 				plat/xilinx/versal/bl31_versal_setup.c		\
 				plat/xilinx/versal/plat_psci.c			\
 				plat/xilinx/versal/plat_versal.c		\
 				plat/xilinx/versal/plat_topology.c		\
 				plat/xilinx/versal/sip_svc_setup.c		\
-				plat/xilinx/versal/versal_gicv3.c
+				plat/xilinx/versal/versal_gicv3.c		\
+				plat/xilinx/versal/versal_ipi.c			\
+				plat/xilinx/versal/pm_service/pm_svc_main.c	\
+				plat/xilinx/versal/pm_service/pm_client.c
diff --git a/plat/xilinx/versal/pm_service/pm_client.c b/plat/xilinx/versal/pm_service/pm_client.c
new file mode 100644
index 0000000..6183b78
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_client.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * APU specific definition of processors in the subsystem as well as functions
+ * for getting information about and changing state of the APU.
+ */
+
+#include <plat_ipi.h>
+#include <platform_def.h>
+#include <versal_def.h>
+#include <lib/bakery_lock.h>
+#include "pm_client.h"
+
+DEFINE_BAKERY_LOCK(pm_client_secure_lock);
+
+static const struct pm_ipi apu_ipi = {
+	.local_ipi_id = IPI_ID_APU,
+	.remote_ipi_id = IPI_ID_PMC,
+	.buffer_base = IPI_BUFFER_APU_BASE,
+};
+
+/* Order in pm_procs_all array must match cpu ids */
+static const struct pm_proc pm_procs_all[] = {
+	{
+		.node_id = XPM_DEVID_ACPU_0,
+		.ipi = &apu_ipi,
+	},
+	{
+		.node_id = XPM_DEVID_ACPU_1,
+		.ipi = &apu_ipi,
+	}
+};
+
+const struct pm_proc *primary_proc = &pm_procs_all[0];
diff --git a/plat/xilinx/versal/pm_service/pm_client.h b/plat/xilinx/versal/pm_service/pm_client.h
new file mode 100644
index 0000000..6840bb1
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_client.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Contains APU specific macros and macros to be defined depending on
+ * the execution environment.
+ */
+
+#ifndef PM_CLIENT_H
+#define PM_CLIENT_H
+
+#include "pm_common.h"
+#include "pm_defs.h"
+
+/* Global variables to be set in pm_client.c */
+extern const struct pm_proc *primary_proc;
+
+#endif /* PM_CLIENT_H */
diff --git a/plat/xilinx/versal/pm_service/pm_defs.h b/plat/xilinx/versal/pm_service/pm_defs.h
new file mode 100644
index 0000000..c435b7a
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_defs.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Versal power management enums and defines */
+
+#ifndef PM_DEFS_H
+#define PM_DEFS_H
+
+#include "pm_node.h"
+
+/*********************************************************************
+ * Macro definitions
+ ********************************************************************/
+
+/* Processor core device IDs */
+#define APU_DEVID(IDX)	NODEID(XPM_NODECLASS_DEVICE, XPM_NODESUBCL_DEV_CORE, \
+			       XPM_NODETYPE_DEV_CORE_APU, (IDX))
+
+#define XPM_DEVID_ACPU_0	APU_DEVID(XPM_NODEIDX_DEV_ACPU_0)
+#define XPM_DEVID_ACPU_1	APU_DEVID(XPM_NODEIDX_DEV_ACPU_1)
+
+/*********************************************************************
+ * Enum definitions
+ ********************************************************************/
+
+/**
+ * @PM_RET_SUCCESS:		success
+ * @PM_RET_ERROR_ARGS:		illegal arguments provided (deprecated)
+ * @PM_RET_ERROR_NOTSUPPORTED:	feature not supported  (deprecated)
+ * @PM_RET_ERROR_INTERNAL:	internal error
+ * @PM_RET_ERROR_CONFLICT:	conflict
+ * @PM_RET_ERROR_ACCESS:	access rights violation
+ * @PM_RET_ERROR_INVALID_NODE:	invalid node
+ * @PM_RET_ERROR_DOUBLE_REQ:	duplicate request for same node
+ * @PM_RET_ERROR_ABORT_SUSPEND:	suspend procedure has been aborted
+ * @PM_RET_ERROR_TIMEOUT:	timeout in communication with PMU
+ * @PM_RET_ERROR_NODE_USED:	node is already in use
+ */
+enum pm_ret_status {
+	PM_RET_SUCCESS,
+	PM_RET_ERROR_ARGS = 1,
+	PM_RET_ERROR_NOTSUPPORTED = 4,
+	PM_RET_ERROR_INTERNAL = 2000,
+	PM_RET_ERROR_CONFLICT = 2001,
+	PM_RET_ERROR_ACCESS = 2002,
+	PM_RET_ERROR_INVALID_NODE = 2003,
+	PM_RET_ERROR_DOUBLE_REQ = 2004,
+	PM_RET_ERROR_ABORT_SUSPEND = 2005,
+	PM_RET_ERROR_TIMEOUT = 2006,
+	PM_RET_ERROR_NODE_USED = 2007
+};
+#endif /* PM_DEFS_H */
diff --git a/plat/xilinx/versal/pm_service/pm_node.h b/plat/xilinx/versal/pm_service/pm_node.h
new file mode 100644
index 0000000..1b82ec7
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_node.h
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Versal PM nodes enums and defines */
+
+#ifndef PM_NODE_H
+#define PM_NODE_H
+
+/*********************************************************************
+ * Macro definitions
+ ********************************************************************/
+
+#define NODE_CLASS_SHIFT	26U
+#define NODE_SUBCLASS_SHIFT	20U
+#define NODE_TYPE_SHIFT		14U
+#define NODE_INDEX_SHIFT	0U
+#define NODE_CLASS_MASK_BITS    0x3F
+#define NODE_SUBCLASS_MASK_BITS 0x3F
+#define NODE_TYPE_MASK_BITS     0x3F
+#define NODE_INDEX_MASK_BITS    0x3FFF
+#define NODE_CLASS_MASK         (NODE_CLASS_MASK_BITS << NODE_CLASS_SHIFT)
+#define NODE_SUBCLASS_MASK      (NODE_SUBCLASS_MASK_BITS << NODE_SUBCLASS_SHIFT)
+#define NODE_TYPE_MASK          (NODE_TYPE_MASK_BITS << NODE_TYPE_SHIFT)
+#define NODE_INDEX_MASK         (NODE_INDEX_MASK_BITS << NODE_INDEX_SHIFT)
+
+#define NODEID(CLASS, SUBCLASS, TYPE, INDEX)	\
+	     ((((CLASS) & NODE_CLASS_MASK_BITS) << NODE_CLASS_SHIFT) | \
+	     (((SUBCLASS) & NODE_SUBCLASS_MASK_BITS) << NODE_SUBCLASS_SHIFT) | \
+	     (((TYPE) & NODE_TYPE_MASK_BITS) << NODE_TYPE_SHIFT) | \
+	     (((INDEX) & NODE_INDEX_MASK_BITS) << NODE_INDEX_SHIFT))
+
+#define NODECLASS(ID)		(((ID) & NODE_CLASS_MASK) >> NODE_CLASS_SHIFT)
+#define NODESUBCLASS(ID)	(((ID) & NODE_SUBCLASS_MASK) >> \
+				NODE_SUBCLASS_SHIFT)
+#define NODETYPE(ID)		(((ID) & NODE_TYPE_MASK) >> NODE_TYPE_SHIFT)
+#define NODEINDEX(ID)		(((ID) & NODE_INDEX_MASK) >> NODE_INDEX_SHIFT)
+
+/*********************************************************************
+ * Enum definitions
+ ********************************************************************/
+
+/* Node class types */
+enum pm_node_class {
+	XPM_NODECLASS_MIN,
+
+	XPM_NODECLASS_POWER,
+	XPM_NODECLASS_CLOCK,
+	XPM_NODECLASS_RESET,
+	XPM_NODECLASS_MEMIC,
+	XPM_NODECLASS_STMIC,
+	XPM_NODECLASS_DEVICE,
+
+	XPM_NODECLASS_MAX
+};
+
+enum pm_device_node_subclass {
+	/* Device types */
+	XPM_NODESUBCL_DEV_CORE = 1,
+	XPM_NODESUBCL_DEV_PERIPH,
+	XPM_NODESUBCL_DEV_MEM,
+	XPM_NODESUBCL_DEV_SOC,
+	XPM_NODESUBCL_DEV_MEM_CTRLR,
+	XPM_NODESUBCL_DEV_PHY,
+};
+
+enum pm_device_node_type {
+	/* Device types */
+	XPM_NODETYPE_DEV_CORE_PMC = 1,
+	XPM_NODETYPE_DEV_CORE_PSM,
+	XPM_NODETYPE_DEV_CORE_APU,
+	XPM_NODETYPE_DEV_CORE_RPU,
+	XPM_NODETYPE_DEV_OCM,
+	XPM_NODETYPE_DEV_TCM,
+	XPM_NODETYPE_DEV_L2CACHE,
+	XPM_NODETYPE_DEV_DDR,
+	XPM_NODETYPE_DEV_PERIPH,
+	XPM_NODETYPE_DEV_SOC,
+	XPM_NODETYPE_DEV_GT,
+};
+
+/* Device node Indexes */
+enum pm_device_node_idx {
+	/* Device nodes */
+	XPM_NODEIDX_DEV_MIN,
+
+	/* Processor devices */
+	XPM_NODEIDX_DEV_PMC_PROC,
+	XPM_NODEIDX_DEV_PSM_PROC,
+	XPM_NODEIDX_DEV_ACPU_0,
+	XPM_NODEIDX_DEV_ACPU_1,
+	XPM_NODEIDX_DEV_RPU0_0,
+	XPM_NODEIDX_DEV_RPU0_1,
+
+	/* Memory devices */
+	XPM_NODEIDX_DEV_OCM_0,
+	XPM_NODEIDX_DEV_OCM_1,
+	XPM_NODEIDX_DEV_OCM_2,
+	XPM_NODEIDX_DEV_OCM_3,
+	XPM_NODEIDX_DEV_TCM_0_A,
+	XPM_NODEIDX_DEV_TCM_0_B,
+	XPM_NODEIDX_DEV_TCM_1_A,
+	XPM_NODEIDX_DEV_TCM_1_B,
+	XPM_NODEIDX_DEV_L2_BANK_0,
+	XPM_NODEIDX_DEV_DDR_0,
+	XPM_NODEIDX_DEV_DDR_1,
+	XPM_NODEIDX_DEV_DDR_2,
+	XPM_NODEIDX_DEV_DDR_3,
+	XPM_NODEIDX_DEV_DDR_4,
+	XPM_NODEIDX_DEV_DDR_5,
+	XPM_NODEIDX_DEV_DDR_6,
+	XPM_NODEIDX_DEV_DDR_7,
+
+	/* LPD Peripheral devices */
+	XPM_NODEIDX_DEV_USB_0,
+	XPM_NODEIDX_DEV_GEM_0,
+	XPM_NODEIDX_DEV_GEM_1,
+	XPM_NODEIDX_DEV_SPI_0,
+	XPM_NODEIDX_DEV_SPI_1,
+	XPM_NODEIDX_DEV_I2C_0,
+	XPM_NODEIDX_DEV_I2C_1,
+	XPM_NODEIDX_DEV_CAN_FD_0,
+	XPM_NODEIDX_DEV_CAN_FD_1,
+	XPM_NODEIDX_DEV_UART_0,
+	XPM_NODEIDX_DEV_UART_1,
+	XPM_NODEIDX_DEV_GPIO,
+	XPM_NODEIDX_DEV_TTC_0,
+	XPM_NODEIDX_DEV_TTC_1,
+	XPM_NODEIDX_DEV_TTC_2,
+	XPM_NODEIDX_DEV_TTC_3,
+	XPM_NODEIDX_DEV_SWDT_LPD,
+
+	/* FPD Peripheral devices */
+	XPM_NODEIDX_DEV_SWDT_FPD,
+
+	/* PMC Peripheral devices */
+	XPM_NODEIDX_DEV_OSPI,
+	XPM_NODEIDX_DEV_QSPI,
+	XPM_NODEIDX_DEV_GPIO_PMC,
+	XPM_NODEIDX_DEV_I2C_PMC,
+	XPM_NODEIDX_DEV_SDIO_0,
+	XPM_NODEIDX_DEV_SDIO_1,
+
+	XPM_NODEIDX_DEV_PL_0,
+	XPM_NODEIDX_DEV_PL_1,
+	XPM_NODEIDX_DEV_PL_2,
+	XPM_NODEIDX_DEV_PL_3,
+	XPM_NODEIDX_DEV_RTC,
+	XPM_NODEIDX_DEV_ADMA_0,
+	XPM_NODEIDX_DEV_ADMA_1,
+	XPM_NODEIDX_DEV_ADMA_2,
+	XPM_NODEIDX_DEV_ADMA_3,
+	XPM_NODEIDX_DEV_ADMA_4,
+	XPM_NODEIDX_DEV_ADMA_5,
+	XPM_NODEIDX_DEV_ADMA_6,
+	XPM_NODEIDX_DEV_ADMA_7,
+	XPM_NODEIDX_DEV_IPI_0,
+	XPM_NODEIDX_DEV_IPI_1,
+	XPM_NODEIDX_DEV_IPI_2,
+	XPM_NODEIDX_DEV_IPI_3,
+	XPM_NODEIDX_DEV_IPI_4,
+	XPM_NODEIDX_DEV_IPI_5,
+	XPM_NODEIDX_DEV_IPI_6,
+
+	/* Entire SoC */
+	XPM_NODEIDX_DEV_SOC,
+
+	/* DDR memory controllers */
+	XPM_NODEIDX_DEV_DDRMC_0,
+	XPM_NODEIDX_DEV_DDRMC_1,
+	XPM_NODEIDX_DEV_DDRMC_2,
+	XPM_NODEIDX_DEV_DDRMC_3,
+
+	/* GT devices */
+	XPM_NODEIDX_DEV_GT_0,
+	XPM_NODEIDX_DEV_GT_1,
+	XPM_NODEIDX_DEV_GT_2,
+	XPM_NODEIDX_DEV_GT_3,
+	XPM_NODEIDX_DEV_GT_4,
+	XPM_NODEIDX_DEV_GT_5,
+	XPM_NODEIDX_DEV_GT_6,
+	XPM_NODEIDX_DEV_GT_7,
+	XPM_NODEIDX_DEV_GT_8,
+	XPM_NODEIDX_DEV_GT_9,
+	XPM_NODEIDX_DEV_GT_10,
+
+	XPM_NODEIDX_DEV_MAX
+};
+
+#endif /* PM_NODE_H */
diff --git a/plat/xilinx/versal/pm_service/pm_svc_main.c b/plat/xilinx/versal/pm_service/pm_svc_main.c
new file mode 100644
index 0000000..a1c457f
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_svc_main.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Top-level SMC handler for Versal power management calls and
+ * IPI setup functions for communication with PMC.
+ */
+
+#include <errno.h>
+#include <plat_private.h>
+#include "pm_client.h"
+#include "pm_ipi.h"
+
+/**
+ * pm_setup() - PM service setup
+ *
+ * @return	On success, the initialization function must return 0.
+ *		Any other return value will cause the framework to ignore
+ *		the service
+ *
+ * Initialization functions for Versal power management for
+ * communicaton with PMC.
+ *
+ * Called from sip_svc_setup initialization function with the
+ * rt_svc_init signature.
+ */
+int pm_setup(void)
+{
+	int status, ret = 0;
+
+	status = pm_ipi_init(primary_proc);
+
+	if (status < 0) {
+		INFO("BL31: PM Service Init Failed, Error Code %d!\n", status);
+		ret = status;
+	}
+
+	return ret;
+}
diff --git a/plat/xilinx/versal/pm_service/pm_svc_main.h b/plat/xilinx/versal/pm_service/pm_svc_main.h
new file mode 100644
index 0000000..ec279b6
--- /dev/null
+++ b/plat/xilinx/versal/pm_service/pm_svc_main.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PM_SVC_MAIN_H
+#define PM_SVC_MAIN_H
+
+#include <pm_common.h>
+
+int pm_setup(void);
+
+#endif /* PM_SVC_MAIN_H */
diff --git a/plat/xilinx/versal/sip_svc_setup.c b/plat/xilinx/versal/sip_svc_setup.c
index 8f2180b..6437bbf 100644
--- a/plat/xilinx/versal/sip_svc_setup.c
+++ b/plat/xilinx/versal/sip_svc_setup.c
@@ -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
  */
@@ -9,6 +9,7 @@
 #include <common/debug.h>
 #include <common/runtime_svc.h>
 #include <tools_share/uuid.h>
+#include "pm_svc_main.h"
 
 /* SMC function IDs for SiP Service queries */
 #define VERSAL_SIP_SVC_CALL_COUNT	0x8200ff00
@@ -36,6 +37,9 @@
  */
 static int32_t sip_svc_setup(void)
 {
+	/* PM implementation as SiP Service */
+	pm_setup();
+
 	return 0;
 }
 
diff --git a/plat/xilinx/versal/versal_ipi.c b/plat/xilinx/versal/versal_ipi.c
new file mode 100644
index 0000000..27541ff
--- /dev/null
+++ b/plat/xilinx/versal/versal_ipi.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Versal IPI agent registers access management
+ */
+
+#include <errno.h>
+#include <ipi.h>
+#include <plat_ipi.h>
+#include <plat_private.h>
+#include <string.h>
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <lib/bakery_lock.h>
+#include <lib/mmio.h>
+
+/* versal ipi configuration table */
+const static struct ipi_config versal_ipi_table[] = {
+	/* A72 IPI */
+	[IPI_ID_APU] = {
+		.ipi_bit_mask = IPI0_TRIG_BIT,
+		.ipi_reg_base = IPI0_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* PMC IPI */
+	[IPI_ID_PMC] = {
+		.ipi_bit_mask = PMC_IPI_TRIG_BIT,
+		.ipi_reg_base = IPI0_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* RPU0 IPI */
+	[IPI_ID_RPU0] = {
+		.ipi_bit_mask = IPI1_TRIG_BIT,
+		.ipi_reg_base = IPI1_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* RPU1 IPI */
+	[IPI_ID_RPU1] = {
+		.ipi_bit_mask = IPI2_TRIG_BIT,
+		.ipi_reg_base = IPI2_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* IPI3 IPI */
+	[IPI_ID_3] = {
+		.ipi_bit_mask = IPI3_TRIG_BIT,
+		.ipi_reg_base = IPI3_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* IPI4 IPI */
+	[IPI_ID_4] = {
+		.ipi_bit_mask = IPI4_TRIG_BIT,
+		.ipi_reg_base = IPI4_REG_BASE,
+		.secure_only = 0,
+	},
+
+	/* IPI5 IPI */
+	[IPI_ID_5] = {
+		.ipi_bit_mask = IPI5_TRIG_BIT,
+		.ipi_reg_base = IPI5_REG_BASE,
+		.secure_only = 0,
+	},
+};
+
+/* versal_ipi_config_table_init() - Initialize versal IPI configuration data
+ *
+ * @ipi_config_table  - IPI configuration table
+ * @ipi_total - Total number of IPI available
+ *
+ */
+void versal_ipi_config_table_init(void)
+{
+	ipi_config_table_init(versal_ipi_table, ARRAY_SIZE(versal_ipi_table));
+}