Merge pull request #1623 from MISL-EBU-System-SW/a3700-support

Add support for Armada 3700 and COMPHY porting layer

plat/marvell/a3700/a3700/mvebu_def.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __MVEBU_DEF_H__
+#define __MVEBU_DEF_H__
+
+#include <a3700_plat_def.h>
+
+#endif /* __MVEBU_DEF_H__ */

plat/marvell/a3700/a3700/plat_bl31_setup.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <armada_common.h>
+#include <dram_win.h>
+#include <io_addr_dec.h>
+#include <mmio.h>
+#include <marvell_plat_priv.h>
+#include <plat_marvell.h>
+
+/* This routine does MPP initialization */
+static void marvell_bl31_mpp_init(void)
+{
+	mmio_clrbits_32(MVEBU_NB_GPIO_SEL_REG, 1 << MVEBU_GPIO_TW1_GPIO_EN_OFF);
+
+	/* Set hidden GPIO setting for SPI.
+	 * In north_bridge_pin_out_en_high register 13804,
+	 * bit 28 is the one which enables CS, CLK pins to be
+	 * output, need to set it to 1.
+	 * The initial value of this bit is 1, but in UART boot mode
+	 * initialization, this bit is disabled and the SPI CS and CLK pins
+	 * are used for downloading image purpose; so after downloading,
+	 * we should set this bit to 1 again to enable SPI CS and CLK pins.
+	 * And anyway, this bit value should be 1 in all modes,
+	 * so here we does not judge boot mode and set this bit to 1 always.
+	 */
+	mmio_setbits_32(MVEBU_NB_GPIO_OUTPUT_EN_HIGH_REG,
+			1 << MVEBU_GPIO_NB_SPI_PIN_MODE_OFF);
+}
+
+/* This function overruns the same function in marvell_bl31_setup.c */
+void bl31_plat_arch_setup(void)
+{
+	struct dec_win_config *io_dec_map;
+	uint32_t dec_win_num;
+	struct dram_win_map dram_wins_map;
+
+	marvell_bl31_plat_arch_setup();
+
+	/* MPP init */
+	marvell_bl31_mpp_init();
+
+	/* initialize the timer for delay functionality */
+	plat_delay_timer_init();
+
+	/* CPU address decoder windows initialization. */
+	cpu_wins_init();
+
+	/* fetch CPU-DRAM window mapping information by reading
+	 * CPU-DRAM decode windows (only the enabled ones)
+	 */
+	dram_win_map_build(&dram_wins_map);
+
+	/* Get IO address decoder windows */
+	if (marvell_get_io_dec_win_conf(&io_dec_map, &dec_win_num)) {
+		printf("No IO address decoder windows configurations found!\n");
+		return;
+	}
+
+	/* IO address decoder init */
+	if (init_io_addr_dec(&dram_wins_map, io_dec_map, dec_win_num)) {
+		printf("IO address decoder windows initialization failed!\n");
+		return;
+	}
+}

plat/marvell/a3700/a3700/platform.mk

+#
+# Copyright (C) 2018 Marvell International Ltd.
+#
+# SPDX-License-Identifier:	BSD-3-Clause
+# https://spdx.org/licenses
+#
+
+include plat/marvell/a3700/common/a3700_common.mk
+
+include plat/marvell/common/marvell_common.mk

plat/marvell/a3700/common/a3700_common.mk

+#
+# Copyright (C) 2018 Marvell International Ltd.
+#
+# SPDX-License-Identifier:	BSD-3-Clause
+# https://spdx.org/licenses
+#
+
+MARVELL_PLAT_BASE		:= plat/marvell
+MARVELL_PLAT_INCLUDE_BASE	:= include/plat/marvell
+PLAT_FAMILY			:= a3700
+PLAT_FAMILY_BASE		:= $(MARVELL_PLAT_BASE)/$(PLAT_FAMILY)
+PLAT_INCLUDE_BASE		:= $(MARVELL_PLAT_INCLUDE_BASE)/$(PLAT_FAMILY)
+PLAT_COMMON_BASE		:= $(PLAT_FAMILY_BASE)/common
+MARVELL_DRV_BASE		:= drivers/marvell
+MARVELL_COMMON_BASE		:= $(MARVELL_PLAT_BASE)/common
+
+include $(MARVELL_PLAT_BASE)/marvell.mk
+
+#*********** A3700 *************
+DOIMAGEPATH	:= $(WTP)
+DOIMAGETOOL	:= $(DOIMAGEPATH)/wtptp/linux/tbb_linux
+
+ifeq ($(MARVELL_SECURE_BOOT),1)
+DOIMAGE_CFG	:= $(DOIMAGEPATH)/atf-tim.txt
+IMAGESPATH	:= $(DOIMAGEPATH)/tim/trusted
+
+TIMNCFG		:= $(DOIMAGEPATH)/atf-timN.txt
+TIMNSIG		:= $(IMAGESPATH)/timnsign.txt
+TIM2IMGARGS	:= -i $(DOIMAGE_CFG) -n $(TIMNCFG)
+TIMN_IMAGE	:= $$(grep "Image Filename:" -m 1 $(TIMNCFG) | cut -c 17-)
+else #MARVELL_SECURE_BOOT
+DOIMAGE_CFG	:= $(DOIMAGEPATH)/atf-ntim.txt
+IMAGESPATH	:= $(DOIMAGEPATH)/tim/untrusted
+TIM2IMGARGS	:= -i $(DOIMAGE_CFG)
+endif #MARVELL_SECURE_BOOT
+
+TIMBUILD	:= $(DOIMAGEPATH)/script/buildtim.sh
+TIM2IMG		:= $(DOIMAGEPATH)/script/tim2img.pl
+
+# WTMI_IMG is used to specify the customized RTOS image running over
+# Service CPU (CM3 processor). By the default, it points to a
+# baremetal binary of fuse programming in A3700_utils.
+WTMI_IMG	:= $(DOIMAGEPATH)/wtmi/fuse/build/fuse.bin
+
+# WTMI_SYSINIT_IMG is used for the system early initialization,
+# such as AVS settings, clock-tree setup and dynamic DDR PHY training.
+# After the initialization is done, this image will be wiped out
+# from the memory and CM3 will continue with RTOS image or other application.
+WTMI_SYSINIT_IMG	:= $(DOIMAGEPATH)/wtmi/sys_init/build/sys_init.bin
+
+# WTMI_MULTI_IMG is composed of CM3 RTOS image (WTMI_IMG)
+# and sys-init image (WTMI_SYSINIT_IMG).
+WTMI_MULTI_IMG		:= $(DOIMAGEPATH)/wtmi/build/wtmi.bin
+
+WTMI_ENC_IMG		:= $(DOIMAGEPATH)/wtmi/build/wtmi-enc.bin
+BUILD_UART		:= uart-images
+
+SRCPATH			:= $(dir $(BL33))
+
+CLOCKSPRESET		?= CPU_800_DDR_800
+
+DDR_TOPOLOGY		?= 0
+
+BOOTDEV			?= SPINOR
+PARTNUM			?= 0
+
+TIM_IMAGE		:= $$(grep "Image Filename:" -m 1 $(DOIMAGE_CFG) | cut -c 17-)
+TIMBLDARGS		:= $(MARVELL_SECURE_BOOT) $(BOOTDEV) $(IMAGESPATH) $(DOIMAGEPATH) $(CLOCKSPRESET) \
+				$(DDR_TOPOLOGY) $(PARTNUM) $(DEBUG) $(DOIMAGE_CFG) $(TIMNCFG) $(TIMNSIG) 1
+TIMBLDUARTARGS		:= $(MARVELL_SECURE_BOOT) UART $(IMAGESPATH) $(DOIMAGEPATH) $(CLOCKSPRESET) \
+				$(DDR_TOPOLOGY) 0 0 $(DOIMAGE_CFG) $(TIMNCFG) $(TIMNSIG) 0
+DOIMAGE_FLAGS		:= -r $(DOIMAGE_CFG) -v -D
+
+
+# GICV3
+$(eval $(call add_define,CONFIG_GICV3))
+
+# CCI-400
+$(eval $(call add_define,USE_CCI))
+
+MARVELL_GIC_SOURCES	:=	drivers/arm/gic/common/gic_common.c	\
+				drivers/arm/gic/v3/gicv3_main.c		\
+				drivers/arm/gic/v3/gicv3_helpers.c	\
+				drivers/arm/gic/v3/arm_gicv3_common.c	\
+				plat/common/plat_gicv3.c		\
+				drivers/arm/gic/v3/gic500.c
+
+ATF_INCLUDES		:=	-Iinclude/common/tbbr		\
+				-Iinclude/drivers
+
+PLAT_INCLUDES		:=	-I$(PLAT_FAMILY_BASE)/$(PLAT)		\
+				-I$(PLAT_COMMON_BASE)/include		\
+				-I$(PLAT_INCLUDE_BASE)/common		\
+				-I$(MARVELL_DRV_BASE)/uart		\
+				-I$(MARVELL_DRV_BASE)			\
+				-I$/drivers/arm/gic/common/		\
+				$(ATF_INCLUDES)
+
+PLAT_BL_COMMON_SOURCES	:=	$(PLAT_COMMON_BASE)/aarch64/a3700_common.c \
+				drivers/console/aarch64/console.S	   \
+				$(MARVELL_COMMON_BASE)/marvell_cci.c	   \
+				$(MARVELL_DRV_BASE)/uart/a3700_console.S
+
+BL1_SOURCES		+=	$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S \
+				lib/cpus/aarch64/cortex_a53.S
+
+BL31_PORTING_SOURCES	:=	$(PLAT_FAMILY_BASE)/$(PLAT)/board/pm_src.c
+
+MARVELL_DRV		:=	$(MARVELL_DRV_BASE)/comphy/phy-comphy-3700.c
+
+BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a53.S		\
+				$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S \
+				$(PLAT_COMMON_BASE)/plat_pm.c		\
+				$(PLAT_COMMON_BASE)/dram_win.c		\
+				$(PLAT_COMMON_BASE)/io_addr_dec.c	\
+				$(PLAT_COMMON_BASE)/marvell_plat_config.c     \
+				$(PLAT_FAMILY_BASE)/$(PLAT)/plat_bl31_setup.c \
+				$(MARVELL_COMMON_BASE)/marvell_ddr_info.c	\
+				$(MARVELL_COMMON_BASE)/marvell_gicv3.c	\
+				$(MARVELL_GIC_SOURCES)			\
+				drivers/arm/cci/cci.c			\
+				$(BL31_PORTING_SOURCES)			\
+				$(PLAT_COMMON_BASE)/a3700_sip_svc.c	\
+				$(MARVELL_DRV)
+
+mrvl_flash: ${BUILD_PLAT}/${FIP_NAME} ${DOIMAGETOOL}
+	$(shell truncate -s %128K ${BUILD_PLAT}/bl1.bin)
+	$(shell cat ${BUILD_PLAT}/bl1.bin ${BUILD_PLAT}/${FIP_NAME} > ${BUILD_PLAT}/${BOOT_IMAGE})
+	$(shell truncate -s %4 ${BUILD_PLAT}/${BOOT_IMAGE})
+	$(shell truncate -s %4 $(WTMI_IMG))
+	@echo
+	@echo "Building uart images"
+	$(TIMBUILD) $(TIMBLDUARTARGS)
+	@sed -i 's|WTMI_IMG|$(WTMI_MULTI_IMG)|1' $(DOIMAGE_CFG)
+	@sed -i 's|BOOT_IMAGE|$(BUILD_PLAT)/$(BOOT_IMAGE)|1' $(DOIMAGE_CFG)
+ifeq ($(MARVELL_SECURE_BOOT),1)
+	@sed -i 's|WTMI_IMG|$(WTMI_MULTI_IMG)|1' $(TIMNCFG)
+	@sed -i 's|BOOT_IMAGE|$(BUILD_PLAT)/$(BOOT_IMAGE)|1' $(TIMNCFG)
+endif
+	$(DOIMAGETOOL) $(DOIMAGE_FLAGS)
+	@if [ -e "$(TIMNCFG)" ]; then $(DOIMAGETOOL) -r $(TIMNCFG); fi
+	@rm -rf $(BUILD_PLAT)/$(BUILD_UART)*
+	@mkdir $(BUILD_PLAT)/$(BUILD_UART)
+	@mv -t $(BUILD_PLAT)/$(BUILD_UART) $(TIM_IMAGE) $(DOIMAGE_CFG) $(TIMN_IMAGE) $(TIMNCFG)
+	@find . -name "*_h.*" |xargs cp -ut $(BUILD_PLAT)/$(BUILD_UART)
+	@mv $(subst .bin,_h.bin,$(WTMI_MULTI_IMG)) $(BUILD_PLAT)/$(BUILD_UART)/wtmi_h.bin
+	@tar czf $(BUILD_PLAT)/$(BUILD_UART).tgz -C $(BUILD_PLAT) ./$(BUILD_UART)
+	@echo
+	@echo "Building flash image"
+	$(TIMBUILD) $(TIMBLDARGS)
+	sed -i 's|WTMI_IMG|$(WTMI_MULTI_IMG)|1' $(DOIMAGE_CFG)
+	sed -i 's|BOOT_IMAGE|$(BUILD_PLAT)/$(BOOT_IMAGE)|1' $(DOIMAGE_CFG)
+ifeq ($(MARVELL_SECURE_BOOT),1)
+	@sed -i 's|WTMI_IMG|$(WTMI_MULTI_IMG)|1' $(TIMNCFG)
+	@sed -i 's|BOOT_IMAGE|$(BUILD_PLAT)/$(BOOT_IMAGE)|1' $(TIMNCFG)
+	@echo -e "\n\t=======================================================\n";
+	@echo -e "\t  Secure boot. Encrypting wtmi and boot-image \n";
+	@echo -e "\t=======================================================\n";
+	@truncate -s %16 $(WTMI_MULTI_IMG)
+	@openssl enc -aes-256-cbc -e -in $(WTMI_MULTI_IMG) \
+	-out $(WTMI_ENC_IMG) \
+	-K `cat $(IMAGESPATH)/aes-256.txt` -k 0 -nosalt \
+	-iv `cat $(IMAGESPATH)/iv.txt` -p
+	@truncate -s %16 $(BUILD_PLAT)/$(BOOT_IMAGE);
+	@openssl enc -aes-256-cbc -e -in $(BUILD_PLAT)/$(BOOT_IMAGE) \
+	-out $(BUILD_PLAT)/$(BOOT_ENC_IMAGE) \
+	-K `cat $(IMAGESPATH)/aes-256.txt` -k 0 -nosalt \
+	-iv `cat $(IMAGESPATH)/iv.txt` -p
+endif
+	$(DOIMAGETOOL) $(DOIMAGE_FLAGS)
+	@if [ -e "$(TIMNCFG)" ]; then $(DOIMAGETOOL) -r $(TIMNCFG); fi
+	@if [ "$(MARVELL_SECURE_BOOT)" = "1" ]; then sed -i 's|$(WTMI_MULTI_IMG)|$(WTMI_ENC_IMG)|1;s|$(BOOT_IMAGE)|$(BOOT_ENC_IMAGE)|1;' $(TIMNCFG); fi
+	$(TIM2IMG) $(TIM2IMGARGS) -o $(BUILD_PLAT)/$(FLASH_IMAGE)
+	@mv -t $(BUILD_PLAT) $(TIM_IMAGE) $(DOIMAGE_CFG) $(TIMN_IMAGE) $(TIMNCFG) $(WTMI_IMG) $(WTMI_SYSINIT_IMG) $(WTMI_MULTI_IMG)
+	@if [ "$(MARVELL_SECURE_BOOT)" = "1" ]; then mv -t $(BUILD_PLAT) $(WTMI_ENC_IMG) OtpHash.txt; fi
+	@find . -name "*.txt" | grep -E "CSK[[:alnum:]]_KeyHash.txt|Tim_msg.txt|TIMHash.txt" | xargs rm -f

plat/marvell/a3700/common/a3700_sip_svc.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <debug.h>
+#include <marvell_plat_priv.h>
+#include <plat_marvell.h>
+#include <runtime_svc.h>
+#include <smccc.h>
+#include "comphy/phy-comphy-3700.h"
+
+/* Comphy related FID's */
+#define MV_SIP_COMPHY_POWER_ON	0x82000001
+#define MV_SIP_COMPHY_POWER_OFF	0x82000002
+#define MV_SIP_COMPHY_PLL_LOCK	0x82000003
+
+/* Miscellaneous FID's' */
+#define MV_SIP_DRAM_SIZE	0x82000010
+
+/* This macro is used to identify COMPHY related calls from SMC function ID */
+#define is_comphy_fid(fid)	\
+	((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_PLL_LOCK)
+
+uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid,
+			       u_register_t x1,
+			       u_register_t x2,
+			       u_register_t x3,
+			       u_register_t x4,
+			       void *cookie,
+			       void *handle,
+			       u_register_t flags)
+{
+	u_register_t ret;
+
+	VERBOSE("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx\n",
+		__func__, smc_fid, x1, x2);
+	if (is_comphy_fid(smc_fid)) {
+		if (x1 >= MAX_LANE_NR) {
+			ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n",
+			      __func__, smc_fid, x2);
+			SMC_RET1(handle, SMC_UNK);
+		}
+	}
+
+	switch (smc_fid) {
+	/* Comphy related FID's */
+	case MV_SIP_COMPHY_POWER_ON:
+		/* x1: comphy_index, x2: comphy_mode */
+		ret = mvebu_3700_comphy_power_on(x1, x2);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_POWER_OFF:
+		/* x1: comphy_index, x2: comphy_mode */
+		ret = mvebu_3700_comphy_power_off(x1, x2);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_PLL_LOCK:
+		/* x1: comphy_index, x2: comphy_mode */
+		ret = mvebu_3700_comphy_is_pll_locked(x1, x2);
+		SMC_RET1(handle, ret);
+	/* Miscellaneous FID's' */
+	case MV_SIP_DRAM_SIZE:
+		/* x1:  ap_base_addr */
+		ret = mvebu_get_dram_size(MVEBU_REGS_BASE);
+		SMC_RET1(handle, ret);
+
+	default:
+		ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
+		SMC_RET1(handle, SMC_UNK);
+	}
+}
+
+/* Define a runtime service descriptor for fast SMC calls */
+DECLARE_RT_SVC(
+	marvell_sip_svc,
+	OEN_SIP_START,
+	OEN_SIP_END,
+	SMC_TYPE_FAST,
+	NULL,
+	mrvl_sip_smc_handler
+);

plat/marvell/a3700/common/aarch64/a3700_common.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+#include <plat_marvell.h>
+
+/* MMU entry for internal (register) space access */
+#define MAP_DEVICE0	MAP_REGION_FLAT(DEVICE0_BASE,			\
+					DEVICE0_SIZE,			\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+/*
+ * Table of regions for various BL stages to map using the MMU.
+ */
+#if IMAGE_BL1
+const mmap_region_t plat_marvell_mmap[] = {
+	MARVELL_MAP_SHARED_RAM,
+	MAP_DEVICE0,
+	{0}
+};
+#endif
+#if IMAGE_BL2
+const mmap_region_t plat_marvell_mmap[] = {
+	MARVELL_MAP_SHARED_RAM,
+	MAP_DEVICE0,
+	MARVELL_MAP_DRAM,
+	{0}
+};
+#endif
+#if IMAGE_BL2U
+const mmap_region_t plat_marvell_mmap[] = {
+	MAP_DEVICE0,
+	{0}
+};
+#endif
+#if IMAGE_BL31
+const mmap_region_t plat_marvell_mmap[] = {
+	MARVELL_MAP_SHARED_RAM,
+	MAP_DEVICE0,
+	MARVELL_MAP_DRAM,
+	{0}
+};
+#endif
+#if IMAGE_BL32
+const mmap_region_t plat_marvell_mmap[] = {
+	MAP_DEVICE0,
+	{0}
+};
+#endif
+
+MARVELL_CASSERT_MMAP;

plat/marvell/a3700/common/aarch64/plat_helpers.S

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <asm_macros.S>
+#include <platform_def.h>
+
+	.globl	plat_secondary_cold_boot_setup
+	.globl	plat_get_my_entrypoint
+	.globl	plat_is_my_cpu_primary
+
+	/* -----------------------------------------------------
+	 * void plat_secondary_cold_boot_setup (void);
+	 *
+	 * This function performs any platform specific actions
+	 * needed for a secondary cpu after a cold reset. Right
+	 * now this is a stub function.
+	 * -----------------------------------------------------
+	 */
+func plat_secondary_cold_boot_setup
+	mov	x0, #0
+	ret
+endfunc plat_secondary_cold_boot_setup
+
+	/* ---------------------------------------------------------------------
+	 * unsigned long plat_get_my_entrypoint (void);
+	 *
+	 * Main job of this routine is to distinguish between cold and warm boot
+	 * For a cold boot, return 0.
+	 * For a warm boot, read the mailbox and return the address it contains.
+	 * A magic number is placed before entrypoint to avoid mistake caused by
+	 * uninitialized mailbox data area.
+	 * ---------------------------------------------------------------------
+	 */
+func plat_get_my_entrypoint
+	/* Read first word and compare it with magic num */
+	mov_imm x0, PLAT_MARVELL_MAILBOX_BASE
+	ldr	x1, [x0]
+	mov_imm x2, PLAT_MARVELL_MAILBOX_MAGIC_NUM
+	cmp	x1, x2
+	/* If compare failed, return 0, i.e. cold boot */
+	beq	entrypoint
+	mov	x0, #0
+	ret
+entrypoint:
+	/* Second word contains the jump address */
+	add	x0, x0, #8
+	ldr	x0, [x0]
+	ret
+endfunc plat_get_my_entrypoint
+
+	/* -----------------------------------------------------
+	 * unsigned int plat_is_my_cpu_primary (void);
+	 *
+	 * Find out whether the current cpu is the primary
+	 * cpu.
+	 * -----------------------------------------------------
+	 */
+func plat_is_my_cpu_primary
+	mrs	x0, mpidr_el1
+	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+	cmp	x0, #MVEBU_PRIMARY_CPU
+	cset	w0, eq
+	ret
+endfunc plat_is_my_cpu_primary

plat/marvell/a3700/common/dram_win.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <dram_win.h>
+#include <marvell_plat_priv.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <plat_marvell.h>
+#include <string.h>
+
+/* Armada 3700 has 5 configurable windows */
+#define MV_CPU_WIN_NUM		5
+
+#define CPU_WIN_DISABLED	0
+#define CPU_WIN_ENABLED		1
+
+/*
+ * There are 2 different cpu decode window configuration cases:
+ * - DRAM size is not over 2GB;
+ * - DRAM size is 4GB.
+ */
+enum cpu_win_config_num {
+	CPU_WIN_CONFIG_DRAM_NOT_OVER_2GB = 0,
+	CPU_WIN_CONFIG_DRAM_4GB,
+	CPU_WIN_CONFIG_MAX
+};
+
+enum cpu_win_target {
+	CPU_WIN_TARGET_DRAM = 0,
+	CPU_WIN_TARGET_INTERNAL_REG,
+	CPU_WIN_TARGET_PCIE,
+	CPU_WIN_TARGET_PCIE_OVER_MCI,
+	CPU_WIN_TARGET_BOOT_ROM,
+	CPU_WIN_TARGET_MCI_EXTERNAL,
+	CPU_WIN_TARGET_RWTM_RAM = 7,
+	CPU_WIN_TARGET_CCI400_REG
+};
+
+struct cpu_win_configuration {
+	uint32_t		enabled;
+	enum cpu_win_target	target;
+	uint64_t		base_addr;
+	uint64_t		size;
+	uint64_t		remap_addr;
+};
+
+struct cpu_win_configuration mv_cpu_wins[CPU_WIN_CONFIG_MAX][MV_CPU_WIN_NUM] = {
+	/*
+	 * When total dram size is not over 2GB:
+	 * DDR window 0 is configured in tim header, its size may be not 512MB,
+	 * but the actual dram size, no need to configure it again;
+	 * other cpu windows are kept as default.
+	 */
+	{
+		/* enabled
+		 *	target
+		 *		base
+		 *			size
+		 *				remap
+		 */
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_DRAM,
+				0x0,
+					0x08000000,
+						0x0},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_MCI_EXTERNAL,
+				0xe0000000,
+					0x08000000,
+						0xe0000000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_PCIE,
+				0xe8000000,
+					0x08000000,
+						0xe8000000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_RWTM_RAM,
+				0xf0000000,
+					0x00020000,
+						0x1fff0000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_PCIE_OVER_MCI,
+				0x80000000,
+					0x10000000,
+						0x80000000},
+	},
+
+	/*
+	 * If total dram size is more than 2GB, now there is only one case - 4GB
+	 *  dram; we will use below cpu windows configurations:
+	 *  - Internal Regs, CCI-400, Boot Rom and PCIe windows are kept as
+	 *    default;
+	 *  - Use 4 CPU decode windows for DRAM, which cover 3.375GB DRAM;
+	 *    DDR window 0 is configured in tim header with 2GB size, no need to
+	 *    configure it again here;
+	 *
+	 *	0xFFFFFFFF ---> |-----------------------|
+	 *			|	  Boot ROM	| 64KB
+	 *	0xFFF00000 ---> +-----------------------+
+	 *			:			:
+	 *	0xF0000000 ---> |-----------------------|
+	 *			|	  PCIE		| 128 MB
+	 *	0xE8000000 ---> |-----------------------|
+	 *			|	  DDR window 3	| 128 MB
+	 *	0xE0000000 ---> +-----------------------+
+	 *			:			:
+	 *	0xD8010000 ---> |-----------------------|
+	 *			|	  CCI Regs	| 64 KB
+	 *	0xD8000000 ---> +-----------------------+
+	 *			:			:
+	 *			:			:
+	 *	0xD2000000 ---> +-----------------------+
+	 *			|	 Internal Regs	| 32MB
+	 *	0xD0000000 ---> |-----------------------|
+	 *			 |	  DDR window 2	| 256 MB
+	 *	0xC0000000 ---> |-----------------------|
+	 *			|			|
+	 *			|	 DDR window 1	| 1 GB
+	 *			|			|
+	 *	0x80000000 ---> |-----------------------|
+	 *			|			|
+	 *			|			|
+	 *			|	 DDR window 0	| 2 GB
+	 *			|			|
+	 *			|			|
+	 *	0x00000000 ---> +-----------------------+
+	 */
+	{
+		/* win_id
+		 *	target
+		 *		base
+		 *			size
+		 *				remap
+		 */
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_DRAM,
+				0x0,
+					0x80000000,
+						0x0},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_DRAM,
+				0x80000000,
+					0x40000000,
+						0x80000000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_DRAM,
+				0xc0000000,
+					0x10000000,
+						0xc0000000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_DRAM,
+				0xe0000000,
+					0x08000000,
+						0xe0000000},
+		{CPU_WIN_ENABLED,
+			CPU_WIN_TARGET_PCIE,
+				0xe8000000,
+					0x08000000,
+						0xe8000000},
+	},
+};
+
+/*
+ * dram_win_map_build
+ *
+ * This function builds cpu dram windows mapping
+ * which includes base address and window size by
+ * reading cpu dram decode windows registers.
+ *
+ * @input: N/A
+ *
+ * @output:
+ *     - win_map: cpu dram windows mapping
+ *
+ * @return:  N/A
+ */
+void dram_win_map_build(struct dram_win_map *win_map)
+{
+	int32_t win_id;
+	struct dram_win *win;
+	uint32_t base_reg, ctrl_reg, size_reg, enabled, target;
+
+	memset(win_map, 0, sizeof(struct dram_win_map));
+	for (win_id = 0; win_id < DRAM_WIN_MAP_NUM_MAX; win_id++) {
+		ctrl_reg = mmio_read_32(CPU_DEC_WIN_CTRL_REG(win_id));
+		target = (ctrl_reg & CPU_DEC_CR_WIN_TARGET_MASK) >>
+			  CPU_DEC_CR_WIN_TARGET_OFFS;
+		enabled = ctrl_reg & CPU_DEC_CR_WIN_ENABLE;
+		/* Ignore invalid and non-dram windows*/
+		if ((enabled == 0) || (target != DRAM_CPU_DEC_TARGET_NUM))
+			continue;
+
+		win = win_map->dram_windows + win_map->dram_win_num;
+		base_reg = mmio_read_32(CPU_DEC_WIN_BASE_REG(win_id));
+		size_reg = mmio_read_32(CPU_DEC_WIN_SIZE_REG(win_id));
+		/* Base reg [15:0] corresponds to transaction address [39:16] */
+		win->base_addr = (base_reg & CPU_DEC_BR_BASE_MASK) >>
+				  CPU_DEC_BR_BASE_OFFS;
+		win->base_addr *= CPU_DEC_CR_WIN_SIZE_ALIGNMENT;
+		/*
+		 * Size reg [15:0] is programmed from LSB to MSB as a sequence
+		 * of 1s followed by a sequence of 0s and the number of 1s
+		 * specifies the size of the window in 64 KB granularity,
+		 * for example, a value of 00FFh specifies 256 x 64 KB = 16 MB
+		 */
+		win->win_size = (size_reg & CPU_DEC_CR_WIN_SIZE_MASK) >>
+				 CPU_DEC_CR_WIN_SIZE_OFFS;
+		win->win_size = (win->win_size + 1) *
+				 CPU_DEC_CR_WIN_SIZE_ALIGNMENT;
+
+		win_map->dram_win_num++;
+	}
+}
+
+static void cpu_win_set(uint32_t win_id, struct cpu_win_configuration *win_cfg)
+{
+	uint32_t base_reg, ctrl_reg, size_reg, remap_reg;
+
+	/* Disable window */
+	ctrl_reg = mmio_read_32(CPU_DEC_WIN_CTRL_REG(win_id));
+	ctrl_reg &= ~CPU_DEC_CR_WIN_ENABLE;
+	mmio_write_32(CPU_DEC_WIN_CTRL_REG(win_id), ctrl_reg);
+
+	/* For an disabled window, only disable it. */
+	if (!win_cfg->enabled)
+		return;
+
+	/* Set Base Register */
+	base_reg = (uint32_t)(win_cfg->base_addr /
+		   CPU_DEC_CR_WIN_SIZE_ALIGNMENT);
+	base_reg <<= CPU_DEC_BR_BASE_OFFS;
+	base_reg &= CPU_DEC_BR_BASE_MASK;
+	mmio_write_32(CPU_DEC_WIN_BASE_REG(win_id), base_reg);
+
+	/* Set Remap Register with the same value
+	 * as the <Base> field in Base Register
+	 */
+	remap_reg = (uint32_t)(win_cfg->remap_addr /
+		    CPU_DEC_CR_WIN_SIZE_ALIGNMENT);
+	remap_reg <<= CPU_DEC_RLR_REMAP_LOW_OFFS;
+	remap_reg &= CPU_DEC_RLR_REMAP_LOW_MASK;
+	mmio_write_32(CPU_DEC_REMAP_LOW_REG(win_id), remap_reg);
+
+	/* Set Size Register */
+	size_reg = (win_cfg->size / CPU_DEC_CR_WIN_SIZE_ALIGNMENT) - 1;
+	size_reg <<= CPU_DEC_CR_WIN_SIZE_OFFS;
+	size_reg &= CPU_DEC_CR_WIN_SIZE_MASK;
+	mmio_write_32(CPU_DEC_WIN_SIZE_REG(win_id), size_reg);
+
+	/* Set Control Register - set target id and enable window */
+	ctrl_reg &= ~CPU_DEC_CR_WIN_TARGET_MASK;
+	ctrl_reg |= (win_cfg->target << CPU_DEC_CR_WIN_TARGET_OFFS);
+	ctrl_reg |= CPU_DEC_CR_WIN_ENABLE;
+	mmio_write_32(CPU_DEC_WIN_CTRL_REG(win_id), ctrl_reg);
+}
+
+void cpu_wins_init(void)
+{
+	uint32_t cfg_idx, win_id;
+
+	if (mvebu_get_dram_size(MVEBU_REGS_BASE) <= _2GB_)
+		cfg_idx = CPU_WIN_CONFIG_DRAM_NOT_OVER_2GB;
+	else
+		cfg_idx = CPU_WIN_CONFIG_DRAM_4GB;
+
+	/* Window 0 is configured always for DRAM in tim header
+	 * already, no need to configure it again here
+	 */
+	for (win_id = 1; win_id < MV_CPU_WIN_NUM; win_id++)
+		cpu_win_set(win_id, &mv_cpu_wins[cfg_idx][win_id]);
+}
+

plat/marvell/a3700/common/include/a3700_plat_def.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __A3700_PLAT_DEF_H__
+#define __A3700_PLAT_DEF_H__
+
+#include <marvell_def.h>
+
+
+#define MVEBU_MAX_CPUS_PER_CLUSTER	2
+
+#define MVEBU_PRIMARY_CPU		0x0
+
+/*
+ * The counter on A3700 is always fed from reference 25M clock (XTAL).
+ * However minimal CPU counter prescaler is 2, so the counter
+ * frequency will be divided by 2, the number is 12.5M
+ */
+#define COUNTER_FREQUENCY		12500000
+
+#define MVEBU_REGS_BASE			0xD0000000
+
+/*****************************************************************************
+ * MVEBU memory map related constants
+ *****************************************************************************
+ */
+/* Aggregate of all devices in the first GB */
+#define DEVICE0_BASE			MVEBU_REGS_BASE
+#define DEVICE0_SIZE			0x10000000
+
+/*****************************************************************************
+ * GIC-500 & interrupt handling related constants
+ *****************************************************************************
+ */
+/* Base MVEBU compatible GIC memory map */
+#define MVEBU_GICD_BASE			0x1D00000
+#define MVEBU_GICR_BASE			0x1D40000
+#define MVEBU_GICC_BASE			0x1D80000
+
+/* CCI-400 */
+#define MVEBU_CCI_BASE			0x8000000
+
+/*****************************************************************************
+ * North and south bridge register base
+ *****************************************************************************
+ */
+#define MVEBU_NB_REGS_BASE			(MVEBU_REGS_BASE + 0x13000)
+#define MVEBU_SB_REGS_BASE			(MVEBU_REGS_BASE + 0x18000)
+
+/*****************************************************************************
+ * GPIO registers related constants
+ *****************************************************************************
+ */
+/* North and south bridge GPIO register base address */
+#define MVEBU_NB_GPIO_REG_BASE			(MVEBU_NB_REGS_BASE + 0x800)
+#define MVEBU_NB_GPIO_IRQ_REG_BASE		(MVEBU_NB_REGS_BASE + 0xC00)
+#define MVEBU_SB_GPIO_REG_BASE			(MVEBU_SB_REGS_BASE + 0x800)
+#define MVEBU_SB_GPIO_IRQ_REG_BASE		(MVEBU_SB_REGS_BASE + 0xC00)
+#define MVEBU_NB_SB_IRQ_REG_BASE		(MVEBU_REGS_BASE + 0x8A00)
+
+/* North Bridge GPIO selection register */
+#define MVEBU_NB_GPIO_SEL_REG			(MVEBU_NB_GPIO_REG_BASE + 0x30)
+#define MVEBU_NB_GPIO_OUTPUT_EN_HIGH_REG	(MVEBU_NB_GPIO_REG_BASE + 0x04)
+/* I2C1 GPIO Enable bit offset */
+#define MVEBU_GPIO_TW1_GPIO_EN_OFF		(10)
+/* SPI pins mode bit offset */
+#define MVEBU_GPIO_NB_SPI_PIN_MODE_OFF		(28)
+
+/*****************************************************************************
+ * DRAM registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_DRAM_REG_BASE			(MVEBU_REGS_BASE)
+
+/*****************************************************************************
+ * SB wake-up registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_SB_WAKEUP_REG_BASE		(MVEBU_REGS_BASE + 0x19000)
+
+/*****************************************************************************
+ * PMSU registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_PMSU_REG_BASE			(MVEBU_REGS_BASE + 0x14000)
+
+/*****************************************************************************
+ * North Bridge Step-Down Registers
+ *****************************************************************************
+ */
+#define MVEBU_NB_STEP_DOWN_REG_BASE		(MVEBU_REGS_BASE + 0x12800)
+
+/*****************************************************************************
+ * DRAM CS memory map register base
+ *****************************************************************************
+ */
+#define MVEBU_CS_MMAP_REG_BASE			(MVEBU_REGS_BASE + 0x200)
+
+/*****************************************************************************
+ * CPU decoder window registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_CPU_DEC_WIN_REG_BASE		(MVEBU_REGS_BASE + 0xCF00)
+
+/*****************************************************************************
+ * AVS registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_AVS_REG_BASE			(MVEBU_REGS_BASE + 0x11500)
+
+
+/*****************************************************************************
+ * AVS registers related constants
+ *****************************************************************************
+ */
+#define MVEBU_COMPHY_REG_BASE			(MVEBU_REGS_BASE + 0x18300)
+
+#endif /* __A3700_PLAT_DEF_H__ */

plat/marvell/a3700/common/include/a3700_pm.h

+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __A3700_PM_H__
+#define __A3700_PM_H__
+
+#include <stdint.h>
+
+/* supported wake up sources */
+enum pm_wake_up_src_type {
+	WAKE_UP_SRC_GPIO,
+	/* FOLLOWING SRC NOT SUPPORTED YET */
+	WAKE_UP_SRC_TIMER,
+	WAKE_UP_SRC_UART0,
+	WAKE_UP_SRC_UART1,
+	WAKE_UP_SRC_MAX,
+};
+
+struct pm_gpio_data {
+	/*
+	 * bank 0: North bridge GPIO
+	 * bank 1: South bridge GPIO
+	 */
+	uint32_t bank_num;
+	uint32_t gpio_num;
+};
+
+union pm_wake_up_src_data {
+	struct pm_gpio_data gpio_data;
+	/* delay in seconds */
+	uint32_t timer_delay;
+};
+
+struct pm_wake_up_src {
+	enum pm_wake_up_src_type wake_up_src_type;
+
+	union pm_wake_up_src_data wake_up_data;
+};
+
+struct pm_wake_up_src_config {
+	uint32_t	wake_up_src_num;
+	struct pm_wake_up_src wake_up_src[WAKE_UP_SRC_MAX];
+};
+
+struct pm_wake_up_src_config *mv_wake_up_src_config_get(void);
+
+
+#endif /* __A3700_PM_H__ */

plat/marvell/a3700/common/include/ddr_info.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef _DDR_INFO_H_
+#define _DDR_INFO_H_
+
+#define DRAM_MAX_IFACE			1
+#define DRAM_CH0_MMAP_LOW_OFFSET	0x200
+
+#endif /* _DDR_INFO_H_ */

plat/marvell/a3700/common/include/dram_win.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef _DRAM_WIN_H_
+#define _DRAM_WIN_H_
+
+#include <bl_common.h>
+#include <io_addr_dec.h>
+
+void dram_win_map_build(struct dram_win_map *win_map);
+void cpu_wins_init(void);
+
+#endif /* _DRAM_WIN_H_ */
+

plat/marvell/a3700/common/include/io_addr_dec.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef _IO_ADDR_DEC_H_
+#define _IO_ADDR_DEC_H_
+
+#include <stdint.h>
+
+/* There are 5 configurable cpu decoder windows. */
+#define DRAM_WIN_MAP_NUM_MAX	5
+/* Target number for dram in cpu decoder windows. */
+#define DRAM_CPU_DEC_TARGET_NUM	0
+
+/*
+ * Not all configurable decode windows could be used for dram, some units have
+ * to reserve one decode window for other unit they have to communicate with;
+ * for example, DMA engineer has 3 configurable windows, but only two could be
+ * for dram while the last one has to be for pcie, so for DMA, its max_dram_win
+ * is 2.
+ */
+struct dec_win_config {
+	uint32_t dec_reg_base; /* IO address decoder register base address */
+	uint32_t win_attr;	/* IO address decoder windows attributes */
+	/* How many configurable dram decoder windows that this unit has; */
+	uint32_t max_dram_win;
+	/* The decoder windows number including remapping that this unit has */
+	uint32_t max_remap;
+	/* The offset between continuous decode windows
+	 * within the same unit, typically 0x10
+	 */
+	uint32_t win_offset;
+};
+
+struct dram_win {
+	uintptr_t base_addr;
+	uintptr_t win_size;
+};
+
+struct  dram_win_map {
+	int dram_win_num;
+	struct dram_win dram_windows[DRAM_WIN_MAP_NUM_MAX];
+};
+
+/*
+ * init_io_addr_dec
+ *
+ * This function initializes io address decoder windows by
+ * cpu dram window mapping information
+ *
+ * @input: N/A
+ *     - dram_wins_map: cpu dram windows mapping
+ *     - io_dec_config: io address decoder windows configuration
+ *     - io_unit_num: io address decoder unit number
+ * @output: N/A
+ *
+ * @return:  0 on success and others on failure
+ */
+int init_io_addr_dec(struct dram_win_map *dram_wins_map,
+		     struct dec_win_config *io_dec_config,
+		     uint32_t io_unit_num);
+
+#endif /* _IO_ADDR_DEC_H_ */
+

plat/marvell/a3700/common/include/plat_macros.S

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __PLAT_MACROS_S__
+#define __PLAT_MACROS_S__
+
+#include <marvell_macros.S>
+
+/* ---------------------------------------------
+ * The below macro prints out relevant GIC and
+ * CCI registers registers whenever an unhandled
+ * exception is taken in BL31.
+ * ---------------------------------------------
+ */
+.macro plat_crash_print_regs
+	mov_imm	x17, MVEBU_GICC_BASE
+	mov_imm	x16, MVEBU_GICD_BASE
+	marvell_print_gic_regs
+	print_cci_regs
+.endm
+
+#endif /* __PLAT_MACROS_S__ */

plat/marvell/a3700/common/include/platform_def.h

+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __PLATFORM_DEF_H__
+#define __PLATFORM_DEF_H__
+
+#include <board_marvell_def.h>
+#include <mvebu_def.h>
+#ifndef __ASSEMBLY__
+#include <stdio.h>
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Most platform porting definitions provided by included headers
+ */
+
+/*
+ * DRAM Memory layout:
+ *		+-----------------------+
+ *		:			:
+ *		:	Linux		:
+ * 0x04X00000-->+-----------------------+
+ *		|	BL3-3(u-boot)	|>>}>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
+ *		|-----------------------|  }				       |
+ *		|	BL3-[0,1, 2]	|  }---------------------------------> |
+ *		|-----------------------|  }				||     |
+ *		|	BL2		|  }->FIP (loaded by            ||     |
+ *		|-----------------------|  }       BootROM to DRAM)     ||     |
+ *		|	FIP_TOC		|  }                            ||     |
+ * 0x04120000-->|-----------------------|				||     |
+ *		|	BL1 (RO)	|				||     |
+ * 0x04100000-->+-----------------------+				||     |
+ *		:			:				||     |
+ *		: Trusted SRAM section	:				\/     |
+ * 0x04040000-->+-----------------------+  Replaced by BL2  +----------------+ |
+ *		|	BL1 (RW)	|  <<<<<<<<<<<<<<<< | BL3-1 NOBITS   | |
+ * 0x04037000-->|-----------------------|  <<<<<<<<<<<<<<<< |----------------| |
+ *		|			|  <<<<<<<<<<<<<<<< | BL3-1 PROGBITS | |
+ * 0x04023000-->|-----------------------|		    +----------------+ |
+ *		|	BL2		|				       |
+ *		|-----------------------|				       |
+ *		|			|				       |
+ * 0x04001000-->|-----------------------|				       |
+ *		|	Shared		|				       |
+ * 0x04000000-->+-----------------------+				       |
+ *		:			:				       |
+ *		:	Linux		:				       |
+ *		:			:				       |
+ *		|-----------------------|				       |
+ *		|			|	U-Boot(BL3-3) Loaded by BL2    |
+ *		|	U-Boot		|	<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+ * 0x00000000-->+-----------------------+
+ *
+ * Trusted SRAM section 0x4000000..0x4200000:
+ * ----------------------------------------
+ * SRAM_BASE		= 0x4001000
+ * BL2_BASE		= 0x4006000
+ * BL2_LIMIT		= BL31_BASE
+ * BL31_BASE		= 0x4023000 = (64MB + 256KB - 0x1D000)
+ * BL31_PROGBITS_LIMIT	= BL1_RW_BASE
+ * BL1_RW_BASE		= 0x4037000 = (64MB + 256KB - 0x9000)
+ * BL1_RW_LIMIT		= BL31_LIMIT = 0x4040000
+ *
+ *
+ * PLAT_MARVELL_FIP_BASE	= 0x4120000
+ */
+
+#define PLAT_MARVELL_ATF_BASE			0x4000000
+#define PLAT_MARVELL_ATF_LOAD_ADDR		\
+			(PLAT_MARVELL_ATF_BASE + 0x100000)
+
+#define PLAT_MARVELL_FIP_BASE			\
+			(PLAT_MARVELL_ATF_LOAD_ADDR + 0x20000)
+#define PLAT_MARVELL_FIP_MAX_SIZE		0x4000000
+
+#define PLAT_MARVELL_CLUSTER_CORE_COUNT		2
+/* DRAM[2MB..66MB] is used  as Trusted ROM */
+#define PLAT_MARVELL_TRUSTED_ROM_BASE		PLAT_MARVELL_ATF_LOAD_ADDR
+/* 64 MB TODO: reduce this to minimum needed according to fip image size*/
+#define PLAT_MARVELL_TRUSTED_ROM_SIZE		0x04000000
+/* Reserve 16M for SCP (Secure PayLoad) Trusted DRAM */
+#define PLAT_MARVELL_TRUSTED_DRAM_BASE		0x04400000
+#define PLAT_MARVELL_TRUSTED_DRAM_SIZE		0x01000000	/* 16 MB */
+
+/*
+ * PLAT_ARM_MAX_BL1_RW_SIZE is calculated using the current BL1 RW debug size
+ * plus a little space for growth.
+ */
+#define PLAT_MARVELL_MAX_BL1_RW_SIZE		0xA000
+
+/*
+ * PLAT_ARM_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a
+ * little space for growth.
+ */
+#define PLAT_MARVELL_MAX_BL2_SIZE		0xF000
+
+/*
+ * PLAT_ARM_MAX_BL31_SIZE is calculated using the current BL31 debug size plus a
+ * little space for growth.
+ */
+#define PLAT_MARVEL_MAX_BL31_SIZE		0x5D000
+
+#define PLAT_MARVELL_CPU_ENTRY_ADDR		BL1_RO_BASE
+
+/* GIC related definitions */
+#define PLAT_MARVELL_GICD_BASE		(MVEBU_REGS_BASE + MVEBU_GICD_BASE)
+#define PLAT_MARVELL_GICR_BASE		(MVEBU_REGS_BASE + MVEBU_GICR_BASE)
+#define PLAT_MARVELL_GICC_BASE		(MVEBU_REGS_BASE + MVEBU_GICC_BASE)
+
+#define PLAT_MARVELL_G0_IRQ_PROPS(grp) \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL)
+
+#define PLAT_MARVELL_G1S_IRQ_PROPS(grp) \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_PHY_TIMER, \
+			GIC_HIGHEST_SEC_PRIORITY, grp, GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(MARVELL_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL)
+
+
+#define PLAT_MARVELL_SHARED_RAM_CACHED		1
+
+/* CCI related constants */
+#define PLAT_MARVELL_CCI_BASE		(MVEBU_REGS_BASE + MVEBU_CCI_BASE)
+#define PLAT_MARVELL_CCI_CLUSTER0_SL_IFACE_IX	3
+#define PLAT_MARVELL_CCI_CLUSTER1_SL_IFACE_IX	4
+
+/*
+ * Load address of BL3-3 for this platform port
+ */
+#define PLAT_MARVELL_NS_IMAGE_OFFSET		0x0
+
+/* System Reference Clock*/
+#define PLAT_REF_CLK_IN_HZ			COUNTER_FREQUENCY
+
+/*
+ * PL011 related constants
+ */
+#define PLAT_MARVELL_BOOT_UART_BASE		(MVEBU_REGS_BASE + 0x12000)
+#define PLAT_MARVELL_BOOT_UART_CLK_IN_HZ	25804800
+
+#define PLAT_MARVELL_CRASH_UART_BASE		PLAT_MARVELL_BOOT_UART_BASE
+#define PLAT_MARVELL_CRASH_UART_CLK_IN_HZ	PLAT_MARVELL_BOOT_UART_CLK_IN_HZ
+
+#define PLAT_MARVELL_BL31_RUN_UART_BASE		PLAT_MARVELL_BOOT_UART_BASE
+#define PLAT_MARVELL_BL31_RUN_UART_CLK_IN_HZ	PLAT_MARVELL_BOOT_UART_CLK_IN_HZ
+
+/* Required platform porting definitions */
+#define PLAT_MAX_PWR_LVL			MPIDR_AFFLVL1
+
+/* System timer related constants */
+#define PLAT_MARVELL_NSTIMER_FRAME_ID		1
+
+/* Mailbox base address */
+#define PLAT_MARVELL_MAILBOX_BASE		\
+			(MARVELL_TRUSTED_SRAM_BASE + 0x400)
+#define PLAT_MARVELL_MAILBOX_SIZE		0x100
+#define PLAT_MARVELL_MAILBOX_MAGIC_NUM		0x6D72766C	/* mrvl */
+
+/* DRAM CS memory map registers related constants */
+#define MVEBU_CS_MMAP_LOW(cs_num)		\
+			(MVEBU_CS_MMAP_REG_BASE + (cs_num) * 0x8)
+#define MVEBU_CS_MMAP_ENABLE			0x1
+#define MVEBU_CS_MMAP_AREA_LEN_OFFS		16
+#define MVEBU_CS_MMAP_AREA_LEN_MASK		\
+			(0x1f << MVEBU_CS_MMAP_AREA_LEN_OFFS)
+#define MVEBU_CS_MMAP_START_ADDR_LOW_OFFS	23
+#define MVEBU_CS_MMAP_START_ADDR_LOW_MASK	\
+			(0x1ff << MVEBU_CS_MMAP_START_ADDR_LOW_OFFS)
+
+#define MVEBU_CS_MMAP_HIGH(cs_num)		\
+			(MVEBU_CS_MMAP_REG_BASE + 0x4 + (cs_num) * 0x8)
+
+/* DRAM max CS number */
+#define MVEBU_MAX_CS_MMAP_NUM			(2)
+
+/* CPU decoder window related constants */
+#define CPU_DEC_WIN_CTRL_REG(win_num)		\
+			(MVEBU_CPU_DEC_WIN_REG_BASE + (win_num) * 0x10)
+#define CPU_DEC_CR_WIN_ENABLE			0x1
+#define CPU_DEC_CR_WIN_TARGET_OFFS		4
+#define CPU_DEC_CR_WIN_TARGET_MASK		\
+			(0xf << CPU_DEC_CR_WIN_TARGET_OFFS)
+
+#define CPU_DEC_WIN_SIZE_REG(win_num)		\
+			(MVEBU_CPU_DEC_WIN_REG_BASE + 0x4 + (win_num) * 0x10)
+#define CPU_DEC_CR_WIN_SIZE_OFFS		0
+#define CPU_DEC_CR_WIN_SIZE_MASK		\
+			(0xffff << CPU_DEC_CR_WIN_SIZE_OFFS)
+#define CPU_DEC_CR_WIN_SIZE_ALIGNMENT		0x10000
+
+#define CPU_DEC_WIN_BASE_REG(win_num)		\
+			(MVEBU_CPU_DEC_WIN_REG_BASE + 0x8 + (win_num) * 0x10)
+#define CPU_DEC_BR_BASE_OFFS			0
+#define CPU_DEC_BR_BASE_MASK			\
+			(0xffff <<  CPU_DEC_BR_BASE_OFFS)
+
+#define CPU_DEC_REMAP_LOW_REG(win_num)		\
+			(MVEBU_CPU_DEC_WIN_REG_BASE + 0xC + (win_num) * 0x10)
+#define CPU_DEC_RLR_REMAP_LOW_OFFS		0
+#define CPU_DEC_RLR_REMAP_LOW_MASK		\
+			(0xffff <<  CPU_DEC_BR_BASE_OFFS)
+
+/* Securities */
+#define IRQ_SEC_OS_TICK_INT	MARVELL_IRQ_SEC_PHY_TIMER
+
+#define TRUSTED_DRAM_BASE	PLAT_MARVELL_TRUSTED_DRAM_BASE
+#define TRUSTED_DRAM_SIZE	PLAT_MARVELL_TRUSTED_DRAM_SIZE
+
+#ifdef BL32
+#define BL32_BASE		TRUSTED_DRAM_BASE
+#define BL32_LIMIT		TRUSTED_DRAM_SIZE
+#endif
+
+#endif /* __PLATFORM_DEF_H__ */

plat/marvell/a3700/common/io_addr_dec.c

+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+#include <debug.h>
+#include <io_addr_dec.h>
+#include <mmio.h>
+#include <plat_marvell.h>
+
+#define MVEBU_DEC_WIN_CTRL_REG(base, win, off)	(MVEBU_REGS_BASE + (base) + \
+						(win) * (off))
+#define MVEBU_DEC_WIN_BASE_REG(base, win, off)	(MVEBU_REGS_BASE + (base) + \
+						(win) * (off) + 0x4)
+#define MVEBU_DEC_WIN_REMAP_REG(base, win, off)	(MVEBU_REGS_BASE + (base) + \
+						(win) * (off) + 0x8)
+
+#define MVEBU_DEC_WIN_CTRL_SIZE_OFF		(16)
+#define MVEBU_DEC_WIN_ENABLE			(0x1)
+#define MVEBU_DEC_WIN_CTRL_ATTR_OFF		(8)
+#define MVEBU_DEC_WIN_CTRL_TARGET_OFF		(4)
+#define MVEBU_DEC_WIN_CTRL_EN_OFF		(0)
+#define MVEBU_DEC_WIN_BASE_OFF			(16)
+
+#define MVEBU_WIN_BASE_SIZE_ALIGNMENT		(0x10000)
+
+/* There are up to 14 IO unit which need address decode in Armada-3700 */
+#define IO_UNIT_NUM_MAX				(14)
+
+#define MVEBU_MAX_ADDRSS_4GB			(0x100000000ULL)
+
+
+static void set_io_addr_dec_win(int win_id, uintptr_t base_addr,
+				uintptr_t win_size,
+				struct dec_win_config *dec_win)
+{
+	uint32_t ctrl = 0;
+	uint32_t base = 0;
+
+	/* set size */
+	ctrl = ((win_size / MVEBU_WIN_BASE_SIZE_ALIGNMENT) - 1) <<
+	       MVEBU_DEC_WIN_CTRL_SIZE_OFF;
+	/* set attr according to IO decode window */
+	ctrl |= dec_win->win_attr << MVEBU_DEC_WIN_CTRL_ATTR_OFF;
+	/* set target */
+	ctrl |= DRAM_CPU_DEC_TARGET_NUM << MVEBU_DEC_WIN_CTRL_TARGET_OFF;
+	/* set base */
+	base = (base_addr / MVEBU_WIN_BASE_SIZE_ALIGNMENT) <<
+	       MVEBU_DEC_WIN_BASE_OFF;
+
+	/* set base address*/
+	mmio_write_32(MVEBU_DEC_WIN_BASE_REG(dec_win->dec_reg_base,
+		      win_id, dec_win->win_offset),
+		      base);
+	/* set remap window, some unit does not have remap window */
+	if (win_id < dec_win->max_remap)
+		mmio_write_32(MVEBU_DEC_WIN_REMAP_REG(dec_win->dec_reg_base,
+			      win_id, dec_win->win_offset), base);
+	/* set control register */
+	mmio_write_32(MVEBU_DEC_WIN_CTRL_REG(dec_win->dec_reg_base,
+		      win_id, dec_win->win_offset), ctrl);
+	/* enable the address decode window at last to make it effective */
+	ctrl |= MVEBU_DEC_WIN_ENABLE << MVEBU_DEC_WIN_CTRL_EN_OFF;
+	mmio_write_32(MVEBU_DEC_WIN_CTRL_REG(dec_win->dec_reg_base,
+		      win_id, dec_win->win_offset), ctrl);
+
+	INFO("set_io_addr_dec %d result: ctrl(0x%x) base(0x%x)",
+	     win_id, mmio_read_32(MVEBU_DEC_WIN_CTRL_REG(dec_win->dec_reg_base,
+	     win_id, dec_win->win_offset)),
+	     mmio_read_32(MVEBU_DEC_WIN_BASE_REG(dec_win->dec_reg_base,
+			  win_id, dec_win->win_offset)));
+	if (win_id < dec_win->max_remap)
+		INFO(" remap(%x)\n",
+		     mmio_read_32(MVEBU_DEC_WIN_REMAP_REG(dec_win->dec_reg_base,
+		     win_id, dec_win->win_offset)));
+	else
+		INFO("\n");
+}
+
+/* Set io decode window */
+static int set_io_addr_dec(struct dram_win_map *win_map,
+			   struct dec_win_config *dec_win)
+{
+	struct dram_win *win;
+	int id;
+
+	/* disable all windows first */
+	for (id = 0; id < dec_win->max_dram_win; id++)
+		mmio_write_32(MVEBU_DEC_WIN_CTRL_REG(dec_win->dec_reg_base, id,
+			      dec_win->win_offset), 0);
+
+	/* configure IO decode windows for DRAM, inheritate DRAM size,
+	 * base and target from CPU-DRAM decode window and others
+	 * from hard coded IO decode window settings array.
+	 */
+	if (win_map->dram_win_num > dec_win->max_dram_win) {
+		/*
+		 * If cpu dram windows number exceeds the io decode windows
+		 * max number, then fill the first io decode window
+		 * with base(0) and size(4GB).
+		 */
+		set_io_addr_dec_win(0, 0, MVEBU_MAX_ADDRSS_4GB, dec_win);
+
+		return 0;
+	}
+
+	for (id = 0; id < win_map->dram_win_num; id++, win++) {
+		win = &win_map->dram_windows[id];
+		set_io_addr_dec_win(id, win->base_addr, win->win_size, dec_win);
+	}
+
+	return 0;
+}
+
+/*
+ * init_io_addr_dec
+ *
+ * This function initializes io address decoder windows by
+ * cpu dram window mapping information
+ *
+ * @input: N/A
+ *     - dram_wins_map: cpu dram windows mapping
+ *     - io_dec_config: io address decoder windows configuration
+ *     - io_unit_num: io address decoder unit number
+ * @output: N/A
+ *
+ * @return:  0 on success and others on failure
+ */
+int init_io_addr_dec(struct dram_win_map *dram_wins_map,
+		     struct dec_win_config *io_dec_config, uint32_t io_unit_num)
+{
+	int32_t index;
+	struct dec_win_config *io_dec_win;
+	int32_t ret;
+
+	INFO("Initializing IO address decode windows\n");
+
+	if (io_dec_config == NULL || io_unit_num == 0) {
+		ERROR("No IO address decoder windows configurations!\n");
+		return -1;
+	}
+
+	if (io_unit_num > IO_UNIT_NUM_MAX) {
+		ERROR("IO address decoder windows number %d is over max %d\n",
+		      io_unit_num, IO_UNIT_NUM_MAX);
+		return -1;
+	}
+
+	if (dram_wins_map == NULL) {
+		ERROR("No cpu dram decoder windows map!\n");
+		return -1;
+	}
+
+	for (index = 0; index < dram_wins_map->dram_win_num; index++)
+		INFO("DRAM mapping %d base(0x%lx) size(0x%lx)\n",
+		     index, dram_wins_map->dram_windows[index].base_addr,
+		     dram_wins_map->dram_windows[index].win_size);
+
+	/* Set address decode window for each IO */
+	for (index = 0; index < io_unit_num; index++) {
+		io_dec_win = io_dec_config + index;
+		ret = set_io_addr_dec(dram_wins_map, io_dec_win);
+		if (ret) {
+			ERROR("Failed to set IO address decode\n");
+			return -1;
+		}
+		INFO("Set IO decode window successfully, base(0x%x)",
+		     io_dec_win->dec_reg_base);
+		INFO(" win_attr(%x) max_dram_win(%d) max_remap(%d)",
+		     io_dec_win->win_attr, io_dec_win->max_dram_win,
+		     io_dec_win->max_remap);
+		INFO(" win_offset(%d)\n", io_dec_win->win_offset);
+	}
+
+	return 0;
+}

plat/marvell/a3700/common/marvell_plat_config.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <bl_common.h>
+#include <io_addr_dec.h>
+#include <mvebu_def.h>
+
+struct dec_win_config io_dec_win_conf[] = {
+	/* dec_reg_base  win_attr  max_dram_win  max_remap  win_offset */
+	{0xc000,         0x3d,     2,       0,        0x08}, /* USB */
+	{0xc100,         0x3d,     3,       0,        0x10}, /* USB3 */
+	{0xc200,         0x3d,     2,       0,        0x10}, /* DMA */
+	{0xc300,         0x3d,     2,       0,        0x10}, /* NETA0 */
+	{0xc400,         0x3d,     2,       0,        0x10}, /* NETA1 */
+	{0xc500,         0x3d,     2,       0,        0x10}, /* PCIe */
+	{0xc800,         0x3d,     3,       0,        0x10}, /* SATA */
+	{0xca00,         0x3d,     3,       0,        0x08}, /* SD */
+	{0xcb00,         0x3d,     3,       0,        0x10}, /* eMMC */
+	{0xce00,	 0x3d,	   2,	    0,        0x08}, /* EIP97 */
+};
+
+int marvell_get_io_dec_win_conf(struct dec_win_config **win, uint32_t *size)
+{
+	*win = io_dec_win_conf;
+	*size = sizeof(io_dec_win_conf)/sizeof(struct dec_win_config);
+
+	return 0;
+}
+

plat/marvell/a3700/common/plat_pm.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <a3700_pm.h>
+#include <arch_helpers.h>
+#include <armada_common.h>
+#include <debug.h>
+#include <dram_win.h>
+#include <io_addr_dec.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+#include <marvell_plat_priv.h>
+#include <platform.h>
+#include <plat_marvell.h>
+#include <psci.h>
+#ifdef USE_CCI
+#include <cci.h>
+#endif
+
+/* Warm reset register */
+#define MVEBU_WARM_RESET_REG		(MVEBU_NB_REGS_BASE + 0x840)
+#define MVEBU_WARM_RESET_MAGIC		0x1D1E
+
+/* North Bridge GPIO1 SEL register */
+#define MVEBU_NB_GPIO1_SEL_REG		(MVEBU_NB_REGS_BASE + 0x830)
+ #define MVEBU_NB_GPIO1_UART1_SEL	BIT(19)
+ #define MVEBU_NB_GPIO1_GPIO_25_26_EN	BIT(17)
+ #define MVEBU_NB_GPIO1_GPIO_19_EN	BIT(14)
+ #define MVEBU_NB_GPIO1_GPIO_18_EN	BIT(13)
+
+/* CPU 1 reset register */
+#define MVEBU_CPU_1_RESET_VECTOR	(MVEBU_REGS_BASE + 0x14044)
+#define MVEBU_CPU_1_RESET_REG		(MVEBU_REGS_BASE + 0xD00C)
+#define MVEBU_CPU_1_RESET_BIT		31
+
+/* IRQ register */
+#define MVEBU_NB_IRQ_STATUS_1_REG		(MVEBU_NB_SB_IRQ_REG_BASE)
+#define MVEBU_NB_IRQ_STATUS_2_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0x10)
+#define MVEBU_NB_IRQ_MASK_2_REG			(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0x18)
+#define MVEBU_SB_IRQ_STATUS_1_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0x40)
+#define MVEBU_SB_IRQ_STATUS_2_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0x50)
+#define MVEBU_NB_GPIO_IRQ_MASK_1_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0xC8)
+#define MVEBU_NB_GPIO_IRQ_MASK_2_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0xD8)
+#define MVEBU_SB_GPIO_IRQ_MASK_REG		(MVEBU_NB_SB_IRQ_REG_BASE + \
+						0xE8)
+#define MVEBU_NB_GPIO_IRQ_EN_LOW_REG		(MVEBU_NB_GPIO_IRQ_REG_BASE)
+#define MVEBU_NB_GPIO_IRQ_EN_HIGH_REG		(MVEBU_NB_GPIO_IRQ_REG_BASE + \
+						0x04)
+#define MVEBU_NB_GPIO_IRQ_STATUS_LOW_REG	(MVEBU_NB_GPIO_IRQ_REG_BASE + \
+						0x10)
+#define MVEBU_NB_GPIO_IRQ_STATUS_HIGH_REG	(MVEBU_NB_GPIO_IRQ_REG_BASE + \
+						0x14)
+#define MVEBU_NB_GPIO_IRQ_WK_LOW_REG		(MVEBU_NB_GPIO_IRQ_REG_BASE + \
+						0x18)
+#define MVEBU_NB_GPIO_IRQ_WK_HIGH_REG		(MVEBU_NB_GPIO_IRQ_REG_BASE + \
+						0x1C)
+#define MVEBU_SB_GPIO_IRQ_EN_REG		(MVEBU_SB_GPIO_IRQ_REG_BASE)
+#define MVEBU_SB_GPIO_IRQ_STATUS_REG		(MVEBU_SB_GPIO_IRQ_REG_BASE + \
+						0x10)
+#define MVEBU_SB_GPIO_IRQ_WK_REG		(MVEBU_SB_GPIO_IRQ_REG_BASE + \
+						0x18)
+
+/* PMU registers */
+#define MVEBU_PM_NB_PWR_CTRL_REG	(MVEBU_PMSU_REG_BASE)
+ #define MVEBU_PM_PWR_DN_CNT_SEL	BIT(28)
+ #define MVEBU_PM_SB_PWR_DWN		BIT(4)
+ #define MVEBU_PM_INTERFACE_IDLE	BIT(0)
+#define MVEBU_PM_NB_CPU_PWR_CTRL_REG	(MVEBU_PMSU_REG_BASE + 0x4)
+ #define MVEBU_PM_L2_FLUSH_EN		BIT(22)
+#define MVEBU_PM_NB_PWR_OPTION_REG	(MVEBU_PMSU_REG_BASE + 0x8)
+ #define MVEBU_PM_DDR_SR_EN		BIT(29)
+ #define MVEBU_PM_DDR_CLK_DIS_EN	BIT(28)
+ #define MVEBU_PM_WARM_RESET_EN		BIT(27)
+ #define MVEBU_PM_DDRPHY_PWRDWN_EN	BIT(23)
+ #define MVEBU_PM_DDRPHY_PAD_PWRDWN_EN	BIT(22)
+ #define MVEBU_PM_OSC_OFF_EN		BIT(21)
+ #define MVEBU_PM_TBG_OFF_EN		BIT(20)
+ #define MVEBU_PM_CPU_VDDV_OFF_EN	BIT(19)
+ #define MVEBU_PM_AVS_DISABLE_MODE	BIT(14)
+ #define MVEBU_PM_AVS_VDD2_MODE		BIT(13)
+ #define MVEBU_PM_AVS_HOLD_MODE		BIT(12)
+ #define MVEBU_PM_L2_SRAM_LKG_PD_EN	BIT(8)
+ #define MVEBU_PM_EIP_SRAM_LKG_PD_EN	BIT(7)
+ #define MVEBU_PM_DDRMC_SRAM_LKG_PD_EN	BIT(6)
+ #define MVEBU_PM_MCI_SRAM_LKG_PD_EN	BIT(5)
+ #define MVEBU_PM_MMC_SRAM_LKG_PD_EN	BIT(4)
+ #define MVEBU_PM_SATA_SRAM_LKG_PD_EN	BIT(3)
+ #define MVEBU_PM_DMA_SRAM_LKG_PD_EN	BIT(2)
+ #define MVEBU_PM_SEC_SRAM_LKG_PD_EN	BIT(1)
+ #define MVEBU_PM_CPU_SRAM_LKG_PD_EN	BIT(0)
+ #define MVEBU_PM_NB_SRAM_LKG_PD_EN	(MVEBU_PM_L2_SRAM_LKG_PD_EN |\
+	MVEBU_PM_EIP_SRAM_LKG_PD_EN | MVEBU_PM_DDRMC_SRAM_LKG_PD_EN |\
+	MVEBU_PM_MCI_SRAM_LKG_PD_EN | MVEBU_PM_MMC_SRAM_LKG_PD_EN |\
+	MVEBU_PM_SATA_SRAM_LKG_PD_EN | MVEBU_PM_DMA_SRAM_LKG_PD_EN |\
+	MVEBU_PM_SEC_SRAM_LKG_PD_EN | MVEBU_PM_CPU_SRAM_LKG_PD_EN)
+#define MVEBU_PM_NB_PWR_DEBUG_REG	(MVEBU_PMSU_REG_BASE + 0xC)
+ #define MVEBU_PM_NB_FORCE_CLK_ON	BIT(30)
+ #define MVEBU_PM_IGNORE_CM3_SLEEP	BIT(21)
+ #define MVEBU_PM_IGNORE_CM3_DEEP	BIT(20)
+#define MVEBU_PM_NB_WAKE_UP_EN_REG	(MVEBU_PMSU_REG_BASE + 0x2C)
+ #define MVEBU_PM_SB_WKP_NB_EN		BIT(31)
+ #define MVEBU_PM_NB_GPIO_WKP_EN	BIT(27)
+ #define MVEBU_PM_SOC_TIMER_WKP_EN	BIT(26)
+ #define MVEBU_PM_UART_WKP_EN		BIT(25)
+ #define MVEBU_PM_UART2_WKP_EN		BIT(19)
+ #define MVEBU_PM_CPU_TIMER_WKP_EN	BIT(17)
+ #define MVEBU_PM_NB_WKP_EN		BIT(16)
+ #define MVEBU_PM_CORE1_FIQ_IRQ_WKP_EN	BIT(13)
+ #define MVEBU_PM_CORE0_FIQ_IRQ_WKP_EN	BIT(12)
+#define MVEBU_PM_CPU_0_PWR_CTRL_REG	(MVEBU_PMSU_REG_BASE + 0x34)
+#define MVEBU_PM_CPU_1_PWR_CTRL_REG	(MVEBU_PMSU_REG_BASE + 0x38)
+ #define MVEBU_PM_CORE_SOC_PD		BIT(2)
+ #define MVEBU_PM_CORE_PROC_PD		BIT(1)
+ #define MVEBU_PM_CORE_PD		BIT(0)
+#define MVEBU_PM_CORE_1_RETURN_ADDR_REG	(MVEBU_PMSU_REG_BASE + 0x44)
+#define MVEBU_PM_CPU_VDD_OFF_INFO_1_REG	(MVEBU_PMSU_REG_BASE + 0x48)
+#define MVEBU_PM_CPU_VDD_OFF_INFO_2_REG	(MVEBU_PMSU_REG_BASE + 0x4C)
+ #define MVEBU_PM_LOW_POWER_STATE	BIT(0)
+#define MVEBU_PM_CPU_WAKE_UP_CONF_REG	(MVEBU_PMSU_REG_BASE + 0x54)
+ #define MVEBU_PM_CORE1_WAKEUP		BIT(13)
+ #define MVEBU_PM_CORE0_WAKEUP		BIT(12)
+#define MVEBU_PM_WAIT_DDR_RDY_VALUE	(0x15)
+#define MVEBU_PM_SB_CPU_PWR_CTRL_REG	(MVEBU_SB_WAKEUP_REG_BASE)
+  #define MVEBU_PM_SB_PM_START		BIT(0)
+#define MVEBU_PM_SB_PWR_OPTION_REG	(MVEBU_SB_WAKEUP_REG_BASE + 0x4)
+  #define MVEBU_PM_SDIO_PHY_PDWN_EN	BIT(17)
+  #define MVEBU_PM_SB_VDDV_OFF_EN	BIT(16)
+  #define MVEBU_PM_EBM_SRAM_LKG_PD_EN		BIT(11)
+  #define MVEBU_PM_PCIE_SRAM_LKG_PD_EN		BIT(10)
+  #define MVEBU_PM_GBE1_TX_SRAM_LKG_PD_EN	BIT(9)
+  #define MVEBU_PM_GBE1_RX_SRAM_LKG_PD_EN	BIT(8)
+  #define MVEBU_PM_GBE1_MIB_SRAM_LKG_PD_EN	BIT(7)
+  #define MVEBU_PM_GBE0_TX_SRAM_LKG_PD_EN	BIT(6)
+  #define MVEBU_PM_GBE0_RX_SRAM_LKG_PD_EN	BIT(5)
+  #define MVEBU_PM_GBE0_MIB_SRAM_LKG_PD_EN	BIT(4)
+  #define MVEBU_PM_SDIO_SRAM_LKG_PD_EN		BIT(3)
+  #define MVEBU_PM_USB2_SRAM_LKG_PD_EN		BIT(2)
+  #define MVEBU_PM_USB3_H_SRAM_LKG_PD_EN	BIT(1)
+  #define MVEBU_PM_SB_SRAM_LKG_PD_EN	(MVEBU_PM_EBM_SRAM_LKG_PD_EN |\
+	MVEBU_PM_PCIE_SRAM_LKG_PD_EN | MVEBU_PM_GBE1_TX_SRAM_LKG_PD_EN |\
+	MVEBU_PM_GBE1_RX_SRAM_LKG_PD_EN | MVEBU_PM_GBE1_MIB_SRAM_LKG_PD_EN |\
+	MVEBU_PM_GBE0_TX_SRAM_LKG_PD_EN | MVEBU_PM_GBE0_RX_SRAM_LKG_PD_EN |\
+	MVEBU_PM_GBE0_MIB_SRAM_LKG_PD_EN | MVEBU_PM_SDIO_SRAM_LKG_PD_EN |\
+	MVEBU_PM_USB2_SRAM_LKG_PD_EN | MVEBU_PM_USB3_H_SRAM_LKG_PD_EN)
+#define MVEBU_PM_SB_WK_EN_REG		(MVEBU_SB_WAKEUP_REG_BASE + 0x10)
+  #define MVEBU_PM_SB_GPIO_WKP_EN	BIT(24)
+  #define MVEBU_PM_SB_WKP_EN		BIT(20)
+
+/* DRAM registers */
+#define MVEBU_DRAM_STATS_CH0_REG	(MVEBU_DRAM_REG_BASE + 0x4)
+ #define MVEBU_DRAM_WCP_EMPTY		BIT(19)
+#define MVEBU_DRAM_CMD_0_REG		(MVEBU_DRAM_REG_BASE + 0x20)
+ #define MVEBU_DRAM_CH0_CMD0		BIT(28)
+ #define MVEBU_DRAM_CS_CMD0		BIT(24)
+ #define MVEBU_DRAM_WCB_DRAIN_REQ	BIT(1)
+#define MVEBU_DRAM_PWR_CTRL_REG		(MVEBU_DRAM_REG_BASE + 0x54)
+ #define MVEBU_DRAM_PHY_CLK_GATING_EN	BIT(1)
+ #define MVEBU_DRAM_PHY_AUTO_AC_OFF_EN	BIT(0)
+
+/* AVS registers */
+#define MVEBU_AVS_CTRL_2_REG		(MVEBU_AVS_REG_BASE + 0x8)
+ #define MVEBU_LOW_VDD_MODE_EN		BIT(6)
+
+/* Clock registers */
+#define MVEBU_NB_CLOCK_SEL_REG		(MVEBU_NB_REGS_BASE + 0x10)
+ #define MVEBU_A53_CPU_CLK_SEL		BIT(15)
+
+/* North Bridge Step-Down Registers */
+#define MVEBU_NB_STEP_DOWN_INT_EN_REG	MVEBU_NB_STEP_DOWN_REG_BASE
+ #define MVEBU_NB_GPIO_INT_WAKE_WCPU_CLK	BIT(8)
+
+#define MVEBU_NB_GPIO_18	18
+#define MVEBU_NB_GPIO_19	19
+#define MVEBU_NB_GPIO_25	25
+#define MVEBU_NB_GPIO_26	26
+
+typedef int (*wake_up_src_func)(union pm_wake_up_src_data *);
+
+struct wake_up_src_func_map {
+	enum pm_wake_up_src_type type;
+	wake_up_src_func func;
+};
+
+void marvell_psci_arch_init(int die_index)
+{
+}
+
+static void a3700_pm_ack_irq(void)
+{
+	uint32_t reg;
+
+	reg = mmio_read_32(MVEBU_NB_IRQ_STATUS_1_REG);
+	if (reg)
+		mmio_write_32(MVEBU_NB_IRQ_STATUS_1_REG, reg);
+
+	reg = mmio_read_32(MVEBU_NB_IRQ_STATUS_2_REG);
+	if (reg)
+		mmio_write_32(MVEBU_NB_IRQ_STATUS_2_REG, reg);
+
+	reg = mmio_read_32(MVEBU_SB_IRQ_STATUS_1_REG);
+	if (reg)
+		mmio_write_32(MVEBU_SB_IRQ_STATUS_1_REG, reg);
+
+	reg = mmio_read_32(MVEBU_SB_IRQ_STATUS_2_REG);
+	if (reg)
+		mmio_write_32(MVEBU_SB_IRQ_STATUS_2_REG, reg);
+
+	reg = mmio_read_32(MVEBU_NB_GPIO_IRQ_STATUS_LOW_REG);
+	if (reg)
+		mmio_write_32(MVEBU_NB_GPIO_IRQ_STATUS_LOW_REG, reg);
+
+	reg = mmio_read_32(MVEBU_NB_GPIO_IRQ_STATUS_HIGH_REG);
+	if (reg)
+		mmio_write_32(MVEBU_NB_GPIO_IRQ_STATUS_HIGH_REG, reg);
+
+	reg = mmio_read_32(MVEBU_SB_GPIO_IRQ_STATUS_REG);
+	if (reg)
+		mmio_write_32(MVEBU_SB_GPIO_IRQ_STATUS_REG, reg);
+}
+
+/*****************************************************************************
+ * A3700 handler called to check the validity of the power state
+ * parameter.
+ *****************************************************************************
+ */
+int a3700_validate_power_state(unsigned int power_state,
+			       psci_power_state_t *req_state)
+{
+	ERROR("%s needs to be implemented\n", __func__);
+	panic();
+}
+
+/*****************************************************************************
+ * A3700 handler called when a CPU is about to enter standby.
+ *****************************************************************************
+ */
+void a3700_cpu_standby(plat_local_state_t cpu_state)
+{
+	ERROR("%s needs to be implemented\n", __func__);
+	panic();
+}
+
+/*****************************************************************************
+ * A3700 handler called when a power domain is about to be turned on. The
+ * mpidr determines the CPU to be turned on.
+ *****************************************************************************
+ */
+int a3700_pwr_domain_on(u_register_t mpidr)
+{
+	/* Set barrier */
+	dsbsy();
+
+	/* Set the cpu start address to BL1 entry point */
+	mmio_write_32(MVEBU_CPU_1_RESET_VECTOR,
+		      PLAT_MARVELL_CPU_ENTRY_ADDR >> 2);
+
+	/* Get the cpu out of reset */
+	mmio_clrbits_32(MVEBU_CPU_1_RESET_REG, BIT(MVEBU_CPU_1_RESET_BIT));
+	mmio_setbits_32(MVEBU_CPU_1_RESET_REG, BIT(MVEBU_CPU_1_RESET_BIT));
+
+	return 0;
+}
+
+/*****************************************************************************
+ * A3700 handler called to validate the entry point.
+ *****************************************************************************
+ */
+int a3700_validate_ns_entrypoint(uintptr_t entrypoint)
+{
+	return PSCI_E_SUCCESS;
+}
+
+/*****************************************************************************
+ * A3700 handler called when a power domain is about to be turned off. The
+ * target_state encodes the power state that each level should transition to.
+ *****************************************************************************
+ */
+void a3700_pwr_domain_off(const psci_power_state_t *target_state)
+{
+	uint32_t cpu_idx = plat_my_core_pos();
+
+	/* Prevent interrupts from spuriously waking up this cpu */
+	plat_marvell_gic_cpuif_disable();
+
+	/*
+	 * Enable Core VDD OFF, core is supposed to be powered
+	 * off by PMU when WFI command is issued.
+	 */
+	mmio_setbits_32(MVEBU_PM_CPU_0_PWR_CTRL_REG + 4 * cpu_idx,
+			MVEBU_PM_CORE_PD);
+
+	/* Core can not be powered down with pending IRQ,
+	 * acknowledge all the pending IRQ
+	 */
+	a3700_pm_ack_irq();
+}
+
+static void a3700_set_gen_pwr_off_option(void)
+{
+	/* Enable L2 flush -> processor state-machine option */
+	mmio_setbits_32(MVEBU_PM_NB_CPU_PWR_CTRL_REG, MVEBU_PM_L2_FLUSH_EN);
+
+	/*
+	 * North bridge cannot be VDD off (always ON).
+	 * The NB state machine support low power mode by its state machine.
+	 * This bit MUST be set for north bridge power down, e.g.,
+	 * OSC input cutoff(NOT TEST), SRAM power down, PMIC, etc.
+	 * It is not related to CPU VDD OFF!!
+	 */
+	mmio_clrbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_CPU_VDDV_OFF_EN);
+
+	/*
+	 * MUST: Switch CPU/AXI clock to OSC
+	 * NB state machine clock is always connected to OSC (slow clock).
+	 * But Core0/1/processor state machine's clock are connected to AXI
+	 *  clock. Now, AXI clock takes the TBG as clock source.
+	 * If using AXI clock, Core0/1/processor state machine may much faster
+	 * than NB state machine. It will cause problem in this case if cores
+	 * are released before north bridge gets ready.
+	 */
+	mmio_clrbits_32(MVEBU_NB_CLOCK_SEL_REG, MVEBU_A53_CPU_CLK_SEL);
+
+	/*
+	 * These register bits will trigger north bridge
+	 * power-down state machine regardless CM3 status.
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_DEBUG_REG, MVEBU_PM_IGNORE_CM3_SLEEP);
+	mmio_setbits_32(MVEBU_PM_NB_PWR_DEBUG_REG, MVEBU_PM_IGNORE_CM3_DEEP);
+
+	/*
+	 * SRAM => controlled by north bridge state machine.
+	 * Core VDD OFF is not related to CPU SRAM power down.
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_NB_SRAM_LKG_PD_EN);
+
+	/*
+	 * Idle AXI interface in order to get L2_WFI
+	 * L2 WFI is only asserted after CORE-0 and CORE-1 WFI asserted.
+	 * (only both core-0/1in WFI, L2 WFI will be issued by CORE.)
+	 * Once L2 WFI asserted, this bit is used for signalling assertion
+	 * to AXI IO masters.
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_CTRL_REG, MVEBU_PM_INTERFACE_IDLE);
+
+	/* Enable core0 and core1 VDD_OFF */
+	mmio_setbits_32(MVEBU_PM_CPU_0_PWR_CTRL_REG, MVEBU_PM_CORE_PD);
+	mmio_setbits_32(MVEBU_PM_CPU_1_PWR_CTRL_REG, MVEBU_PM_CORE_PD);
+
+	/* Enable North bridge power down -
+	 * Both Cores MUST enable this bit to power down north bridge!
+	 */
+	mmio_setbits_32(MVEBU_PM_CPU_0_PWR_CTRL_REG, MVEBU_PM_CORE_SOC_PD);
+	mmio_setbits_32(MVEBU_PM_CPU_1_PWR_CTRL_REG, MVEBU_PM_CORE_SOC_PD);
+
+	/* CA53 (processor domain) power down */
+	mmio_setbits_32(MVEBU_PM_CPU_0_PWR_CTRL_REG, MVEBU_PM_CORE_PROC_PD);
+	mmio_setbits_32(MVEBU_PM_CPU_1_PWR_CTRL_REG, MVEBU_PM_CORE_PROC_PD);
+}
+
+static void a3700_en_ddr_self_refresh(void)
+{
+	/*
+	 * Both count is 16 bits and configurable. By default, osc stb cnt
+	 * is 0xFFF for lower 12 bits.
+	 * Thus, powerdown count is smaller than osc count.
+	 * This count is used for exiting DDR SR mode on wakeup event.
+	 * The powerdown count also has impact on the following
+	 * state changes: idle -> count-down -> ... (power-down, vdd off, etc)
+	 * Here, make stable counter shorter
+	 * Use power down count value instead of osc_stb_cnt to speed up
+	 * DDR self refresh exit
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_CTRL_REG, MVEBU_PM_PWR_DN_CNT_SEL);
+
+	/*
+	 * Enable DDR SR mode => controlled by north bridge state machine
+	 * Therefore, we must powerdown north bridge to trigger the DDR SR
+	 * mode switching.
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_DDR_SR_EN);
+	/* Disable DDR clock, otherwise DDR will not enter into SR mode. */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_DDR_CLK_DIS_EN);
+	/* Power down DDR PHY (PAD) */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_DDRPHY_PWRDWN_EN);
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG,
+			MVEBU_PM_DDRPHY_PAD_PWRDWN_EN);
+
+	/* Set wait time for DDR ready in ROM code */
+	mmio_write_32(MVEBU_PM_CPU_VDD_OFF_INFO_1_REG,
+		      MVEBU_PM_WAIT_DDR_RDY_VALUE);
+
+	/* DDR flush write buffer - mandatory */
+	mmio_write_32(MVEBU_DRAM_CMD_0_REG, MVEBU_DRAM_CH0_CMD0 |
+		      MVEBU_DRAM_CS_CMD0 | MVEBU_DRAM_WCB_DRAIN_REQ);
+	while ((mmio_read_32(MVEBU_DRAM_STATS_CH0_REG) &
+			     MVEBU_DRAM_WCP_EMPTY) != MVEBU_DRAM_WCP_EMPTY)
+		;
+
+	/* Trigger PHY reset after ddr out of self refresh =>
+	 * supply reset pulse for DDR phy after wake up
+	 */
+	mmio_setbits_32(MVEBU_DRAM_PWR_CTRL_REG, MVEBU_DRAM_PHY_CLK_GATING_EN |
+						 MVEBU_DRAM_PHY_AUTO_AC_OFF_EN);
+}
+
+static void a3700_pwr_dn_avs(void)
+{
+	/*
+	 * AVS power down - controlled by north bridge statemachine
+	 * Enable AVS power down by clear the AVS disable bit.
+	 */
+	mmio_clrbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_AVS_DISABLE_MODE);
+	/*
+	 * Should set BIT[12:13] to powerdown AVS.
+	 * 1. Enable AVS VDD2 mode
+	 * 2. After power down AVS, we must hold AVS output voltage.
+	 * 3. We can choose the lower VDD for AVS power down.
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_AVS_VDD2_MODE);
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_AVS_HOLD_MODE);
+
+	/* Enable low VDD mode, AVS will set CPU to lowest core VDD 747mV */
+	mmio_setbits_32(MVEBU_AVS_CTRL_2_REG, MVEBU_LOW_VDD_MODE_EN);
+}
+
+static void a3700_pwr_dn_tbg(void)
+{
+	/* Power down TBG */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_TBG_OFF_EN);
+}
+
+static void a3700_pwr_dn_sb(void)
+{
+	/* Enable south bridge power down option */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_CTRL_REG, MVEBU_PM_SB_PWR_DWN);
+
+	/* Enable SDIO_PHY_PWRDWN */
+	mmio_setbits_32(MVEBU_PM_SB_PWR_OPTION_REG, MVEBU_PM_SDIO_PHY_PDWN_EN);
+
+	/* Enable SRAM LRM on SB */
+	mmio_setbits_32(MVEBU_PM_SB_PWR_OPTION_REG, MVEBU_PM_SB_SRAM_LKG_PD_EN);
+
+	/* Enable SB Power Off */
+	mmio_setbits_32(MVEBU_PM_SB_PWR_OPTION_REG, MVEBU_PM_SB_VDDV_OFF_EN);
+
+	/* Kick off South Bridge Power Off */
+	mmio_setbits_32(MVEBU_PM_SB_CPU_PWR_CTRL_REG, MVEBU_PM_SB_PM_START);
+}
+
+static void a3700_set_pwr_off_option(void)
+{
+	/* Set general power off option */
+	a3700_set_gen_pwr_off_option();
+
+	/* Enable DDR self refresh in low power mode */
+	a3700_en_ddr_self_refresh();
+
+	/* Power down AVS */
+	a3700_pwr_dn_avs();
+
+	/* Power down TBG */
+	a3700_pwr_dn_tbg();
+
+	/* Power down south bridge, pay attention south bridge setting
+	 * should be done before
+	 */
+	a3700_pwr_dn_sb();
+}
+
+static void a3700_set_wake_up_option(void)
+{
+	/*
+	 * Enable the wakeup event for NB SOC => north-bridge
+	 * state-machine enablement on wake-up event
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_WAKE_UP_EN_REG, MVEBU_PM_NB_WKP_EN);
+
+	 /* Enable both core0 and core1 wakeup on demand */
+	mmio_setbits_32(MVEBU_PM_CPU_WAKE_UP_CONF_REG,
+			MVEBU_PM_CORE1_WAKEUP | MVEBU_PM_CORE0_WAKEUP);
+
+	/* Enable warm reset in low power mode */
+	mmio_setbits_32(MVEBU_PM_NB_PWR_OPTION_REG, MVEBU_PM_WARM_RESET_EN);
+}
+
+static void a3700_pm_en_nb_gpio(uint32_t gpio)
+{
+	/* For GPIO1 interrupt -- North bridge only */
+	if (gpio >= 32) {
+		/* GPIO int mask */
+		mmio_clrbits_32(MVEBU_NB_GPIO_IRQ_MASK_2_REG, BIT(gpio - 32));
+
+		/* NB_CPU_WAKE-up ENABLE GPIO int */
+		mmio_setbits_32(MVEBU_NB_GPIO_IRQ_EN_HIGH_REG, BIT(gpio - 32));
+	} else {
+		/* GPIO int mask */
+		mmio_clrbits_32(MVEBU_NB_GPIO_IRQ_MASK_1_REG, BIT(gpio));
+
+		/* NB_CPU_WAKE-up ENABLE GPIO int */
+		mmio_setbits_32(MVEBU_NB_GPIO_IRQ_EN_LOW_REG, BIT(gpio));
+	}
+
+	mmio_setbits_32(MVEBU_NB_STEP_DOWN_INT_EN_REG,
+			MVEBU_NB_GPIO_INT_WAKE_WCPU_CLK);
+
+	/* Enable using GPIO as wakeup event
+	 * (actually not only for north bridge)
+	 */
+	mmio_setbits_32(MVEBU_PM_NB_WAKE_UP_EN_REG, MVEBU_PM_NB_GPIO_WKP_EN |
+		MVEBU_PM_NB_WKP_EN | MVEBU_PM_CORE1_FIQ_IRQ_WKP_EN |
+		MVEBU_PM_CORE0_FIQ_IRQ_WKP_EN);
+}
+
+static void a3700_pm_en_sb_gpio(uint32_t gpio)
+{
+	/* Enable using GPIO as wakeup event */
+	mmio_setbits_32(MVEBU_PM_NB_WAKE_UP_EN_REG, MVEBU_PM_SB_WKP_NB_EN |
+		MVEBU_PM_NB_WKP_EN | MVEBU_PM_CORE1_FIQ_IRQ_WKP_EN |
+		MVEBU_PM_CORE0_FIQ_IRQ_WKP_EN);
+
+	/* SB GPIO Wake UP | South Bridge Wake Up Enable */
+	mmio_setbits_32(MVEBU_PM_SB_WK_EN_REG, MVEBU_PM_SB_GPIO_WKP_EN |
+			MVEBU_PM_SB_GPIO_WKP_EN);
+
+	/* GPIO int mask */
+	mmio_clrbits_32(MVEBU_SB_GPIO_IRQ_MASK_REG, BIT(gpio));
+
+	/* NB_CPU_WAKE-up ENABLE GPIO int */
+	mmio_setbits_32(MVEBU_SB_GPIO_IRQ_EN_REG, BIT(gpio));
+}
+
+int a3700_pm_src_gpio(union pm_wake_up_src_data *src_data)
+{
+	if (src_data->gpio_data.bank_num == 0)
+		/* North Bridge GPIO */
+		a3700_pm_en_nb_gpio(src_data->gpio_data.gpio_num);
+	else
+		a3700_pm_en_sb_gpio(src_data->gpio_data.gpio_num);
+	return 0;
+}
+
+int a3700_pm_src_uart1(union pm_wake_up_src_data *src_data)
+{
+	/* Clear Uart1 select */
+	mmio_clrbits_32(MVEBU_NB_GPIO1_SEL_REG, MVEBU_NB_GPIO1_UART1_SEL);
+	/* set pin 19 gpio usage*/
+	mmio_setbits_32(MVEBU_NB_GPIO1_SEL_REG, MVEBU_NB_GPIO1_GPIO_19_EN);
+	/* Enable gpio wake-up*/
+	a3700_pm_en_nb_gpio(MVEBU_NB_GPIO_19);
+	/* set pin 18 gpio usage*/
+	mmio_setbits_32(MVEBU_NB_GPIO1_SEL_REG, MVEBU_NB_GPIO1_GPIO_18_EN);
+	/* Enable gpio wake-up*/
+	a3700_pm_en_nb_gpio(MVEBU_NB_GPIO_18);
+
+	return 0;
+}
+
+int a3700_pm_src_uart0(union pm_wake_up_src_data *src_data)
+{
+	/* set pin 25/26 gpio usage*/
+	mmio_setbits_32(MVEBU_NB_GPIO1_SEL_REG, MVEBU_NB_GPIO1_GPIO_25_26_EN);
+	/* Enable gpio wake-up*/
+	a3700_pm_en_nb_gpio(MVEBU_NB_GPIO_25);
+	/* Enable gpio wake-up*/
+	a3700_pm_en_nb_gpio(MVEBU_NB_GPIO_26);
+
+	return 0;
+}
+
+struct wake_up_src_func_map src_func_table[WAKE_UP_SRC_MAX] = {
+	{WAKE_UP_SRC_GPIO, a3700_pm_src_gpio},
+	{WAKE_UP_SRC_UART1, a3700_pm_src_uart1},
+	{WAKE_UP_SRC_UART0, a3700_pm_src_uart0},
+	/* FOLLOWING SRC NOT SUPPORTED YET */
+	{WAKE_UP_SRC_TIMER, NULL}
+};
+
+static wake_up_src_func a3700_get_wake_up_src_func(
+						  enum pm_wake_up_src_type type)
+{
+	uint32_t loop;
+
+	for (loop = 0; loop < WAKE_UP_SRC_MAX; loop++) {
+		if (src_func_table[loop].type == type)
+			return src_func_table[loop].func;
+	}
+	return NULL;
+}
+
+static void a3700_set_wake_up_source(void)
+{
+	struct pm_wake_up_src_config *wake_up_src;
+	uint32_t loop;
+	wake_up_src_func src_func = NULL;
+
+	wake_up_src = mv_wake_up_src_config_get();
+	for (loop = 0; loop < wake_up_src->wake_up_src_num; loop++) {
+		src_func = a3700_get_wake_up_src_func(
+			   wake_up_src->wake_up_src[loop].wake_up_src_type);
+		if (src_func)
+			src_func(
+				&(wake_up_src->wake_up_src[loop].wake_up_data));
+	}
+}
+
+static void a3700_pm_save_lp_flag(void)
+{
+	/* Save the flag for enter the low power mode */
+	mmio_setbits_32(MVEBU_PM_CPU_VDD_OFF_INFO_2_REG,
+			MVEBU_PM_LOW_POWER_STATE);
+}
+
+static void a3700_pm_clear_lp_flag(void)
+{
+	/* Clear the flag for enter the low power mode */
+	mmio_clrbits_32(MVEBU_PM_CPU_VDD_OFF_INFO_2_REG,
+			MVEBU_PM_LOW_POWER_STATE);
+}
+
+static uint32_t a3700_pm_get_lp_flag(void)
+{
+	/* Get the flag for enter the low power mode */
+	return mmio_read_32(MVEBU_PM_CPU_VDD_OFF_INFO_2_REG) &
+			    MVEBU_PM_LOW_POWER_STATE;
+}
+
+/*****************************************************************************
+ * A3700 handler called when a power domain is about to be suspended. The
+ * target_state encodes the power state that each level should transition to.
+ *****************************************************************************
+ */
+void a3700_pwr_domain_suspend(const psci_power_state_t *target_state)
+{
+	/* Prevent interrupts from spuriously waking up this cpu */
+	plat_marvell_gic_cpuif_disable();
+
+	/* Save IRQ states */
+	plat_marvell_gic_irq_save();
+
+	/* Set wake up options */
+	a3700_set_wake_up_option();
+
+	/* Set wake up sources */
+	a3700_set_wake_up_source();
+
+	/* SoC can not be powered down with pending IRQ,
+	 * acknowledge all the pending IRQ
+	 */
+	a3700_pm_ack_irq();
+
+	/* Set power off options */
+	a3700_set_pwr_off_option();
+
+	/* Save the flag for enter the low power mode */
+	a3700_pm_save_lp_flag();
+
+	isb();
+}
+
+/*****************************************************************************
+ * A3700 handler called when a power domain has just been powered on after
+ * being turned off earlier. The target_state encodes the low power state that
+ * each level has woken up from.
+ *****************************************************************************
+ */
+void a3700_pwr_domain_on_finish(const psci_power_state_t *target_state)
+{
+	/* arch specific configuration */
+	marvell_psci_arch_init(0);
+
+	/* Per-CPU interrupt initialization */
+	plat_marvell_gic_pcpu_init();
+	plat_marvell_gic_cpuif_enable();
+
+	/* Restore the per-cpu IRQ state */
+	if (a3700_pm_get_lp_flag())
+		plat_marvell_gic_irq_pcpu_restore();
+}
+
+/*****************************************************************************
+ * A3700 handler called when a power domain has just been powered on after
+ * having been suspended earlier. The target_state encodes the low power state
+ * that each level has woken up from.
+ * TODO: At the moment we reuse the on finisher and reinitialize the secure
+ * context. Need to implement a separate suspend finisher.
+ *****************************************************************************
+ */
+void a3700_pwr_domain_suspend_finish(const psci_power_state_t *target_state)
+{
+	struct dec_win_config *io_dec_map;
+	uint32_t dec_win_num;
+	struct dram_win_map dram_wins_map;
+
+	/* arch specific configuration */
+	marvell_psci_arch_init(0);
+
+	/* Interrupt initialization */
+	plat_marvell_gic_init();
+
+	/* Restore IRQ states */
+	plat_marvell_gic_irq_restore();
+
+	/*
+	 * Initialize CCI for this cluster after resume from suspend state.
+	 * No need for locks as no other CPU is active.
+	 */
+	plat_marvell_interconnect_init();
+	/*
+	 * Enable CCI coherency for the primary CPU's cluster.
+	 * Platform specific PSCI code will enable coherency for other
+	 * clusters.
+	 */
+	plat_marvell_interconnect_enter_coherency();
+
+	/* CPU address decoder windows initialization. */
+	cpu_wins_init();
+
+	/* fetch CPU-DRAM window mapping information by reading
+	 * CPU-DRAM decode windows (only the enabled ones)
+	 */
+	dram_win_map_build(&dram_wins_map);
+
+	/* Get IO address decoder windows */
+	if (marvell_get_io_dec_win_conf(&io_dec_map, &dec_win_num)) {
+		printf("No IO address decoder windows configurations found!\n");
+		return;
+	}
+
+	/* IO address decoder init */
+	if (init_io_addr_dec(&dram_wins_map, io_dec_map, dec_win_num)) {
+		printf("IO address decoder windows initialization failed!\n");
+		return;
+	}
+
+	/* Clear low power mode flag */
+	a3700_pm_clear_lp_flag();
+}
+
+/*****************************************************************************
+ * This handler is called by the PSCI implementation during the `SYSTEM_SUSPEND
+ * call to get the `power_state` parameter. This allows the platform to encode
+ * the appropriate State-ID field within the `power_state` parameter which can
+ * be utilized in `pwr_domain_suspend()` to suspend to system affinity level.
+ *****************************************************************************
+ */
+void a3700_get_sys_suspend_power_state(psci_power_state_t *req_state)
+{
+	/* lower affinities use PLAT_MAX_OFF_STATE */
+	for (int i = MPIDR_AFFLVL0; i <= PLAT_MAX_PWR_LVL; i++)
+		req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
+}
+
+/*****************************************************************************
+ * A3700 handlers to shutdown/reboot the system
+ *****************************************************************************
+ */
+static void __dead2 a3700_system_off(void)
+{
+	ERROR("%s needs to be implemented\n", __func__);
+	panic();
+}
+
+/*****************************************************************************
+ * A3700 handlers to reset the system
+ *****************************************************************************
+ */
+static void __dead2 a3700_system_reset(void)
+{
+	/* Clean the mailbox magic number to let it as act like cold boot */
+	mmio_write_32(PLAT_MARVELL_MAILBOX_BASE, 0x0);
+
+	dsbsy();
+
+	/* Flush data cache if the mail box shared RAM is cached */
+#if PLAT_MARVELL_SHARED_RAM_CACHED
+	flush_dcache_range((uintptr_t)PLAT_MARVELL_MAILBOX_BASE,
+			   2 * sizeof(uint64_t));
+#endif
+
+	/* Trigger the warm reset */
+	mmio_write_32(MVEBU_WARM_RESET_REG, MVEBU_WARM_RESET_MAGIC);
+
+	/* Shouldn't get to this point */
+	panic();
+}
+
+/*****************************************************************************
+ * Export the platform handlers via plat_arm_psci_pm_ops. The ARM Standard
+ * platform layer will take care of registering the handlers with PSCI.
+ *****************************************************************************
+ */
+const plat_psci_ops_t plat_arm_psci_pm_ops = {
+	.cpu_standby = a3700_cpu_standby,
+	.pwr_domain_on = a3700_pwr_domain_on,
+	.pwr_domain_off = a3700_pwr_domain_off,
+	.pwr_domain_suspend = a3700_pwr_domain_suspend,
+	.pwr_domain_on_finish = a3700_pwr_domain_on_finish,
+	.pwr_domain_suspend_finish = a3700_pwr_domain_suspend_finish,
+	.get_sys_suspend_power_state = a3700_get_sys_suspend_power_state,
+	.system_off = a3700_system_off,
+	.system_reset = a3700_system_reset,
+	.validate_power_state = a3700_validate_power_state,
+	.validate_ns_entrypoint = a3700_validate_ns_entrypoint
+};

plat/marvell/a8k/a70x0/platform.mk

@@ -7,6 +7,9 @@
 
 PCI_EP_SUPPORT		:= 0
 
+CP_NUM			:= 1
+$(eval $(call add_define,CP_NUM))
+
 DOIMAGE_SEC     	:=	tools/doimage/secure/sec_img_7K.cfg
 
 MARVELL_MOCHI_DRV	:=	drivers/marvell/mochi/apn806_setup.c

plat/marvell/a8k/a70x0_amc/platform.mk

@@ -7,6 +7,9 @@
 
 PCI_EP_SUPPORT		:= 0
 
+CP_NUM			:= 1
+$(eval $(call add_define,CP_NUM))
+
 DOIMAGE_SEC     	:=	tools/doimage/secure/sec_img_7K.cfg
 
 MARVELL_MOCHI_DRV	:=	drivers/marvell/mochi/apn806_setup.c