plat: marvell: Add common ARMADA platform components

Add common Marvell ARMADA platform components.
This patch also includes common components for Marvell
ARMADA 8K platforms.

Change-Id: I42192fdc6525a42e46b3ac2ad63c83db9bcbfeaf
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>

include/drivers/marvell/aro.h

+/*
+ * Copyright (C) 2017 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+#ifndef _ARO_H_
+#define _ARO_H_
+
+enum hws_freq {
+	CPU_FREQ_2000,
+	CPU_FREQ_1800,
+	CPU_FREQ_1600,
+	CPU_FREQ_1400,
+	CPU_FREQ_1300,
+	CPU_FREQ_1200,
+	CPU_FREQ_1000,
+	CPU_FREQ_600,
+	CPU_FREQ_800,
+	DDR_FREQ_LAST,
+	DDR_FREQ_SAR
+};
+
+enum cpu_clock_freq_mode {
+	CPU_2000_DDR_1200_RCLK_1200 = 0x0,
+	CPU_2000_DDR_1050_RCLK_1050 = 0x1,
+	CPU_1600_DDR_800_RCLK_800   = 0x4,
+	CPU_1800_DDR_1200_RCLK_1200 = 0x6,
+	CPU_1800_DDR_1050_RCLK_1050 = 0x7,
+	CPU_1600_DDR_900_RCLK_900   = 0x0B,
+	CPU_1600_DDR_1050_RCLK_1050 = 0x0D,
+	CPU_1600_DDR_900_RCLK_900_2 = 0x0E,
+	CPU_1000_DDR_650_RCLK_650   = 0x13,
+	CPU_1300_DDR_800_RCLK_800   = 0x14,
+	CPU_1300_DDR_650_RCLK_650   = 0x17,
+	CPU_1200_DDR_800_RCLK_800   = 0x19,
+	CPU_1400_DDR_800_RCLK_800   = 0x1a,
+	CPU_600_DDR_800_RCLK_800    = 0x1B,
+	CPU_800_DDR_800_RCLK_800    = 0x1C,
+	CPU_1000_DDR_800_RCLK_800   = 0x1D,
+	CPU_DDR_RCLK_INVALID
+};
+
+int init_aro(void);
+
+#endif /* _ARO_H_ */

include/plat/marvell/a8k/common/a8k_common.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __A8K_COMMON_H__
+#define __A8K_COMMON_H__
+
+#include <amb_adec.h>
+#include <io_win.h>
+#include <iob.h>
+#include <ccu.h>
+
+/*
+ * This struct supports skip image request
+ * detection_method: the method used to detect the request "signal".
+ * info:
+ *	GPIO:
+ *		detection_method: HIGH (pressed button), LOW (unpressed button),
+ *		num (button mpp number).
+ *	i2c:
+ *		i2c_addr: the address of the i2c chosen.
+ *		i2d_reg: the i2c register chosen.
+ *	test:
+ *		choose the DIE you picked the button in (AP or CP).
+ *		in case of CP(cp_index = 0 if CP0, cp_index = 1 if CP1)
+ */
+struct skip_image {
+	enum {
+		GPIO,
+		I2C,
+		USER_DEFINED
+	} detection_method;
+
+	struct {
+		struct {
+			int num;
+			enum {
+				HIGH,
+				LOW
+			} button_state;
+
+		} gpio;
+
+		struct {
+			int i2c_addr;
+			int i2c_reg;
+		} i2c;
+
+		struct {
+			enum {
+				CP,
+				AP
+			} cp_ap;
+			int cp_index;
+		} test;
+	} info;
+};
+
+/*
+ * This struct supports SoC power off method
+ * type: the method used to power off the SoC
+ * cfg:
+ *	PMIC_GPIO:
+ *	pin_count: current GPIO pin number used for toggling the signal for
+ *		   notifying external PMIC
+ *	info:	   holds the GPIOs information, CP GPIO should be used and
+ *		   all GPIOs should be within same GPIO config. register
+ *	step_count: current step number to toggle the GPIO for PMIC
+ *	seq:       GPIO toggling values in sequence, each bit represents a GPIO.
+ *		   For example, bit0 represents first GPIO used for toggling
+ *		   the GPIO the last step is used to trigger the power off
+ *		   signal
+ *	delay_ms:  transition interval for the GPIO setting to take effect
+ *		   in unit of ms
+ */
+/* Max GPIO number used to notify PMIC to power off the SoC */
+#define PMIC_GPIO_MAX_NUMBER		8
+/* Max GPIO toggling steps in sequence to power off the SoC */
+#define PMIC_GPIO_MAX_TOGGLE_STEP	8
+
+enum gpio_output_state {
+	GPIO_LOW = 0,
+	GPIO_HIGH
+};
+
+typedef struct gpio_info {
+	int cp_index;
+	int gpio_index;
+} gpio_info_t;
+
+struct power_off_method {
+	enum {
+		PMIC_GPIO,
+	} type;
+
+	struct {
+		struct {
+			int pin_count;
+			struct gpio_info info[PMIC_GPIO_MAX_NUMBER];
+			int step_count;
+			uint32_t seq[PMIC_GPIO_MAX_TOGGLE_STEP];
+			int delay_ms;
+		} gpio;
+	} cfg;
+};
+
+int marvell_gpio_config(void);
+uint32_t marvell_get_io_win_gcr_target(int ap_idx);
+uint32_t marvell_get_ccu_gcr_target(int ap_idx);
+
+
+/*
+ * The functions below are defined as Weak and may be overridden
+ * in specific Marvell standard platform
+ */
+int marvell_get_amb_memory_map(struct addr_map_win **win,
+			       uint32_t *size, uintptr_t base);
+int marvell_get_io_win_memory_map(int ap_idx, struct addr_map_win **win,
+				  uint32_t *size);
+int marvell_get_iob_memory_map(struct addr_map_win **win,
+			       uint32_t *size, uintptr_t base);
+int marvell_get_ccu_memory_map(int ap_idx, struct addr_map_win **win,
+			       uint32_t *size);
+
+#endif /* __A8K_COMMON_H__ */

include/plat/marvell/a8k/common/board_marvell_def.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __BOARD_MARVELL_DEF_H__
+#define __BOARD_MARVELL_DEF_H__
+
+/*
+ * Required platform porting definitions common to all ARM
+ * development platforms
+ */
+
+/* Size of cacheable stacks */
+#if DEBUG_XLAT_TABLE
+# define PLATFORM_STACK_SIZE 0x800
+#elif IMAGE_BL1
+#if TRUSTED_BOARD_BOOT
+# define PLATFORM_STACK_SIZE 0x1000
+#else
+# define PLATFORM_STACK_SIZE 0x440
+#endif
+#elif IMAGE_BL2
+# if TRUSTED_BOARD_BOOT
+#  define PLATFORM_STACK_SIZE 0x1000
+# else
+#  define PLATFORM_STACK_SIZE 0x400
+# endif
+#elif IMAGE_BL31
+# define PLATFORM_STACK_SIZE 0x400
+#elif IMAGE_BL32
+# define PLATFORM_STACK_SIZE 0x440
+#endif
+
+/*
+ * PLAT_MARVELL_MMAP_ENTRIES depends on the number of entries in the
+ * plat_arm_mmap array defined for each BL stage.
+ */
+#if IMAGE_BLE
+#  define PLAT_MARVELL_MMAP_ENTRIES	3
+#endif
+#if IMAGE_BL1
+#  if TRUSTED_BOARD_BOOT
+#   define PLAT_MARVELL_MMAP_ENTRIES	7
+#  else
+#   define PLAT_MARVELL_MMAP_ENTRIES	6
+#  endif	/* TRUSTED_BOARD_BOOT */
+#endif
+#if IMAGE_BL2
+#  define PLAT_MARVELL_MMAP_ENTRIES		8
+#endif
+#if IMAGE_BL31
+#define PLAT_MARVELL_MMAP_ENTRIES		5
+#endif
+
+/*
+ * Platform specific page table and MMU setup constants
+ */
+#if IMAGE_BL1
+#define MAX_XLAT_TABLES			4
+#elif IMAGE_BLE
+#  define MAX_XLAT_TABLES		4
+#elif IMAGE_BL2
+#  define MAX_XLAT_TABLES		4
+#elif IMAGE_BL31
+# define MAX_XLAT_TABLES		4
+#elif IMAGE_BL32
+#  define MAX_XLAT_TABLES               4
+#endif
+
+#define MAX_IO_DEVICES			3
+#define MAX_IO_HANDLES			4
+
+#define PLAT_MARVELL_TRUSTED_SRAM_SIZE	0x80000	/* 512 KB */
+
+
+#endif /* __BOARD_MARVELL_DEF_H__ */

include/plat/marvell/a8k/common/marvell_def.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __MARVELL_DEF_H__
+#define __MARVELL_DEF_H__
+
+#include <arch.h>
+#include <common_def.h>
+#include <platform_def.h>
+#include <tbbr_img_def.h>
+#include <xlat_tables.h>
+
+
+/******************************************************************************
+ * Definitions common to all MARVELL standard platforms
+ *****************************************************************************/
+
+/* Special value used to verify platform parameters from BL2 to BL31 */
+#define MARVELL_BL31_PLAT_PARAM_VAL		0x0f1e2d3c4b5a6978ULL
+
+
+#define MARVELL_CACHE_WRITEBACK_SHIFT	6
+
+/*
+ * Macros mapping the MPIDR Affinity levels to MARVELL Platform Power levels.
+ * The power levels have a 1:1 mapping with the MPIDR affinity levels.
+ */
+#define MARVELL_PWR_LVL0		MPIDR_AFFLVL0
+#define MARVELL_PWR_LVL1		MPIDR_AFFLVL1
+#define MARVELL_PWR_LVL2		MPIDR_AFFLVL2
+
+/*
+ *  Macros for local power states in Marvell platforms encoded by
+ *  State-ID field within the power-state parameter.
+ */
+/* Local power state for power domains in Run state. */
+#define MARVELL_LOCAL_STATE_RUN	0
+/* Local power state for retention. Valid only for CPU power domains */
+#define MARVELL_LOCAL_STATE_RET	1
+/*
+ * Local power state for OFF/power-down. Valid for CPU
+ * and cluster power domains
+ */
+#define MARVELL_LOCAL_STATE_OFF	2
+
+/* The first 4KB of Trusted SRAM are used as shared memory */
+#define MARVELL_TRUSTED_SRAM_BASE	PLAT_MARVELL_ATF_BASE
+#define MARVELL_SHARED_RAM_BASE		MARVELL_TRUSTED_SRAM_BASE
+#define MARVELL_SHARED_RAM_SIZE		0x00001000	/* 4 KB */
+
+/* The remaining Trusted SRAM is used to load the BL images */
+#define MARVELL_BL_RAM_BASE		(MARVELL_SHARED_RAM_BASE +	\
+					 MARVELL_SHARED_RAM_SIZE)
+#define MARVELL_BL_RAM_SIZE		(PLAT_MARVELL_TRUSTED_SRAM_SIZE - \
+					 MARVELL_SHARED_RAM_SIZE)
+/* Non-shared DRAM */
+#define MARVELL_DRAM_BASE		ULL(0x0)
+#define MARVELL_DRAM_SIZE		ULL(0x80000000)
+#define MARVELL_DRAM_END		(MARVELL_DRAM_BASE + \
+					 MARVELL_DRAM_SIZE - 1)
+
+#define MARVELL_IRQ_SEC_PHY_TIMER	29
+
+#define MARVELL_IRQ_SEC_SGI_0		8
+#define MARVELL_IRQ_SEC_SGI_1		9
+#define MARVELL_IRQ_SEC_SGI_2		10
+#define MARVELL_IRQ_SEC_SGI_3		11
+#define MARVELL_IRQ_SEC_SGI_4		12
+#define MARVELL_IRQ_SEC_SGI_5		13
+#define MARVELL_IRQ_SEC_SGI_6		14
+#define MARVELL_IRQ_SEC_SGI_7		15
+
+#define MARVELL_MAP_SHARED_RAM		MAP_REGION_FLAT(		\
+						MARVELL_SHARED_RAM_BASE,\
+						MARVELL_SHARED_RAM_SIZE,\
+						MT_MEMORY | MT_RW | MT_SECURE)
+
+#define MARVELL_MAP_DRAM		MAP_REGION_FLAT(		\
+						MARVELL_DRAM_BASE,	\
+						MARVELL_DRAM_SIZE,	\
+						MT_MEMORY | MT_RW | MT_NS)
+
+
+/*
+ * The number of regions like RO(code), coherent and data required by
+ * different BL stages which need to be mapped in the MMU.
+ */
+#if USE_COHERENT_MEM
+#define MARVELL_BL_REGIONS		3
+#else
+#define MARVELL_BL_REGIONS		2
+#endif
+
+#define MAX_MMAP_REGIONS		(PLAT_MARVELL_MMAP_ENTRIES +	\
+					 MARVELL_BL_REGIONS)
+
+#define MARVELL_CONSOLE_BAUDRATE	115200
+
+/******************************************************************************
+ * Required platform porting definitions common to all MARVELL std. platforms
+ *****************************************************************************/
+
+#define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)
+
+/*
+ * This macro defines the deepest retention state possible. A higher state
+ * id will represent an invalid or a power down state.
+ */
+#define PLAT_MAX_RET_STATE		MARVELL_LOCAL_STATE_RET
+
+/*
+ * This macro defines the deepest power down states possible. Any state ID
+ * higher than this is invalid.
+ */
+#define PLAT_MAX_OFF_STATE		MARVELL_LOCAL_STATE_OFF
+
+
+#define PLATFORM_CORE_COUNT		PLAT_MARVELL_CORE_COUNT
+#define PLAT_NUM_PWR_DOMAINS		(PLAT_MARVELL_CLUSTER_COUNT +	\
+					 PLATFORM_CORE_COUNT)
+
+/*
+ * Some data must be aligned on the biggest cache line size in the platform.
+ * This is known only to the platform as it might have a combination of
+ * integrated and external caches.
+ */
+#define CACHE_WRITEBACK_GRANULE		(1 << MARVELL_CACHE_WRITEBACK_SHIFT)
+
+
+/*******************************************************************************
+ * BL1 specific defines.
+ * BL1 RW data is relocated from ROM to RAM at runtime so we need 2 sets of
+ * addresses.
+ ******************************************************************************/
+#define BL1_RO_BASE			PLAT_MARVELL_TRUSTED_ROM_BASE
+#define BL1_RO_LIMIT			(PLAT_MARVELL_TRUSTED_ROM_BASE	\
+					 + PLAT_MARVELL_TRUSTED_ROM_SIZE)
+/*
+ * Put BL1 RW at the top of the Trusted SRAM.
+ */
+#define BL1_RW_BASE		(MARVELL_BL_RAM_BASE +		\
+					MARVELL_BL_RAM_SIZE -	\
+					PLAT_MARVELL_MAX_BL1_RW_SIZE)
+#define BL1_RW_LIMIT		(MARVELL_BL_RAM_BASE + MARVELL_BL_RAM_SIZE)
+
+/*******************************************************************************
+ * BLE specific defines.
+ ******************************************************************************/
+#define BLE_BASE			PLAT_MARVELL_SRAM_BASE
+#define BLE_LIMIT			PLAT_MARVELL_SRAM_END
+
+/*******************************************************************************
+ * BL2 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL2 just below BL31.
+ */
+#define BL2_BASE			(BL31_BASE - PLAT_MARVELL_MAX_BL2_SIZE)
+#define BL2_LIMIT			BL31_BASE
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL31 at the top of the Trusted SRAM.
+ */
+#define BL31_BASE			(MARVELL_BL_RAM_BASE +		\
+						MARVELL_BL_RAM_SIZE -	\
+						PLAT_MARVEL_MAX_BL31_SIZE)
+#define BL31_PROGBITS_LIMIT		BL1_RW_BASE
+#define BL31_LIMIT			(MARVELL_BL_RAM_BASE +	\
+					 MARVELL_BL_RAM_SIZE)
+
+
+#endif /* __MARVELL_DEF_H__ */

include/plat/marvell/a8k/common/plat_marvell.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __PLAT_MARVELL_H__
+#define __PLAT_MARVELL_H__
+
+#include <cassert.h>
+#include <cpu_data.h>
+#include <stdint.h>
+#include <utils.h>
+#include <xlat_tables.h>
+
+/*
+ * Extern declarations common to Marvell standard platforms
+ */
+extern const mmap_region_t plat_marvell_mmap[];
+
+#define MARVELL_CASSERT_MMAP						\
+	CASSERT((ARRAY_SIZE(plat_marvell_mmap) + MARVELL_BL_REGIONS)	\
+		<= MAX_MMAP_REGIONS,					\
+		assert_max_mmap_regions)
+
+/*
+ * Utility functions common to Marvell standard platforms
+ */
+void marvell_setup_page_tables(uintptr_t total_base,
+			       size_t total_size,
+			       uintptr_t code_start,
+			       uintptr_t code_limit,
+			       uintptr_t rodata_start,
+			       uintptr_t rodata_limit
+#if USE_COHERENT_MEM
+			     , uintptr_t coh_start,
+			       uintptr_t coh_limit
+#endif
+);
+
+/* IO storage utility functions */
+void marvell_io_setup(void);
+
+/* Systimer utility function */
+void marvell_configure_sys_timer(void);
+
+/* Topology utility function */
+int marvell_check_mpidr(u_register_t mpidr);
+
+/* BLE utility functions */
+int ble_plat_setup(int *skip);
+void plat_marvell_dram_update_topology(void);
+void ble_plat_pcie_ep_setup(void);
+struct pci_hw_cfg *plat_get_pcie_hw_data(void);
+
+/* BL1 utility functions */
+void marvell_bl1_early_platform_setup(void);
+void marvell_bl1_platform_setup(void);
+void marvell_bl1_plat_arch_setup(void);
+
+/* BL2 utility functions */
+void marvell_bl2_early_platform_setup(meminfo_t *mem_layout);
+void marvell_bl2_platform_setup(void);
+void marvell_bl2_plat_arch_setup(void);
+uint32_t marvell_get_spsr_for_bl32_entry(void);
+uint32_t marvell_get_spsr_for_bl33_entry(void);
+
+/* BL31 utility functions */
+void marvell_bl31_early_platform_setup(bl31_params_t *from_bl2,
+				void *plat_params_from_bl2);
+void marvell_bl31_platform_setup(void);
+void marvell_bl31_plat_runtime_setup(void);
+void marvell_bl31_plat_arch_setup(void);
+
+/* Power management config to power off the SoC */
+void *plat_marvell_get_pm_cfg(void);
+
+/* Check if MSS AP CM3 firmware contains PM support */
+_Bool is_pm_fw_running(void);
+
+/* Bootrom image recovery utility functions */
+void *plat_marvell_get_skip_image_data(void);
+
+/* FIP TOC validity check */
+int marvell_io_is_toc_valid(void);
+
+/*
+ * PSCI functionality
+ */
+void marvell_psci_arch_init(int ap_idx);
+void plat_marvell_system_reset(void);
+
+/*
+ * Optional functions required in Marvell standard platforms
+ */
+void plat_marvell_io_setup(void);
+int plat_marvell_get_alt_image_source(
+	unsigned int image_id,
+	uintptr_t *dev_handle,
+	uintptr_t *image_spec);
+unsigned int plat_marvell_calc_core_pos(u_register_t mpidr);
+
+const mmap_region_t *plat_marvell_get_mmap(void);
+void marvell_ble_prepare_exit(void);
+void marvell_exit_bootrom(uintptr_t base);
+
+int plat_marvell_early_cpu_powerdown(void);
+#endif /* __PLAT_MARVELL_H__ */

include/plat/marvell/a8k/common/plat_pm_trace.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __PLAT_PM_TRACE_H
+#define __PLAT_PM_TRACE_H
+
+
+/*
+ * PM Trace is for Debug purpose only!!!
+ * It should not be enabled during System Run time
+ */
+#undef PM_TRACE_ENABLE
+
+
+/* trace entry time */
+struct pm_trace_entry {
+	/* trace entry time stamp */
+	unsigned int timestamp;
+
+	/* trace info
+	 * [16-31] - API Trace Id
+	 * [00-15] - API Step Id
+	 */
+	unsigned int trace_info;
+};
+
+struct pm_trace_ctrl {
+	/* trace pointer - points to next free entry in trace cyclic queue */
+	unsigned int trace_pointer;
+
+	/* trace count - number of entries in the queue, clear upon read */
+	unsigned int trace_count;
+};
+
+/* trace size definition */
+#define AP_MSS_ATF_CORE_INFO_SIZE	(256)
+#define AP_MSS_ATF_CORE_ENTRY_SIZE	(8)
+#define AP_MSS_ATF_TRACE_SIZE_MASK	(0xFF)
+
+/* trace address definition */
+#define AP_MSS_TIMER_BASE		(MVEBU_REGS_BASE_MASK + 0x580110)
+
+#define AP_MSS_ATF_CORE_0_CTRL_BASE	(MVEBU_REGS_BASE_MASK + 0x520140)
+#define AP_MSS_ATF_CORE_1_CTRL_BASE	(MVEBU_REGS_BASE_MASK + 0x520150)
+#define AP_MSS_ATF_CORE_2_CTRL_BASE	(MVEBU_REGS_BASE_MASK + 0x520160)
+#define AP_MSS_ATF_CORE_3_CTRL_BASE	(MVEBU_REGS_BASE_MASK + 0x520170)
+#define AP_MSS_ATF_CORE_CTRL_BASE	(AP_MSS_ATF_CORE_0_CTRL_BASE)
+
+#define AP_MSS_ATF_CORE_0_INFO_BASE	(MVEBU_REGS_BASE_MASK + 0x5201C0)
+#define AP_MSS_ATF_CORE_0_INFO_TRACE	(MVEBU_REGS_BASE_MASK + 0x5201C4)
+#define AP_MSS_ATF_CORE_1_INFO_BASE	(MVEBU_REGS_BASE_MASK + 0x5209C0)
+#define AP_MSS_ATF_CORE_1_INFO_TRACE	(MVEBU_REGS_BASE_MASK + 0x5209C4)
+#define AP_MSS_ATF_CORE_2_INFO_BASE	(MVEBU_REGS_BASE_MASK + 0x5211C0)
+#define AP_MSS_ATF_CORE_2_INFO_TRACE	(MVEBU_REGS_BASE_MASK + 0x5211C4)
+#define AP_MSS_ATF_CORE_3_INFO_BASE	(MVEBU_REGS_BASE_MASK + 0x5219C0)
+#define AP_MSS_ATF_CORE_3_INFO_TRACE	(MVEBU_REGS_BASE_MASK + 0x5219C4)
+#define AP_MSS_ATF_CORE_INFO_BASE	(AP_MSS_ATF_CORE_0_INFO_BASE)
+
+/* trace info definition */
+#define TRACE_PWR_DOMAIN_OFF		(0x10000)
+#define TRACE_PWR_DOMAIN_SUSPEND	(0x20000)
+#define TRACE_PWR_DOMAIN_SUSPEND_FINISH	(0x30000)
+#define TRACE_PWR_DOMAIN_ON		(0x40000)
+#define TRACE_PWR_DOMAIN_ON_FINISH	(0x50000)
+
+#define TRACE_PWR_DOMAIN_ON_MASK	(0xFF)
+
+#ifdef PM_TRACE_ENABLE
+
+/* trace API definition */
+void pm_core_0_trace(unsigned int trace);
+void pm_core_1_trace(unsigned int trace);
+void pm_core_2_trace(unsigned int trace);
+void pm_core_3_trace(unsigned int trace);
+
+typedef void (*core_trace_func)(unsigned int);
+
+extern core_trace_func funcTbl[PLATFORM_CORE_COUNT];
+
+#define PM_TRACE(trace) funcTbl[plat_my_core_pos()](trace)
+
+#else
+
+#define PM_TRACE(trace)
+
+#endif
+
+/*******************************************************************************
+ * pm_trace_add
+ *
+ * DESCRIPTION: Add PM trace
+ ******************************************************************************
+ */
+void pm_trace_add(unsigned int trace, unsigned int core);
+
+#endif /* __PLAT_PM_TRACE_H */

include/plat/marvell/common/aarch64/cci_macros.S

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __CCI_MACROS_S__
+#define __CCI_MACROS_S__
+
+#include <cci.h>
+#include <platform_def.h>
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+	/* ------------------------------------------------
+	 * The below required platform porting macro prints
+	 * out relevant interconnect registers whenever an
+	 * unhandled exception is taken in BL31.
+	 * Clobbers: x0 - x9, sp
+	 * ------------------------------------------------
+	 */
+	.macro print_cci_regs
+	adr	x6, cci_iface_regs
+	/* Store in x7 the base address of the first interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER0_SL_IFACE_IX))
+	ldr	w8, [x7, #SNOOP_CTRL_REG]
+	/* Store in x7 the base address of the second interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER1_SL_IFACE_IX))
+	ldr	w9, [x7, #SNOOP_CTRL_REG]
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+	.endm
+
+#endif /* __CCI_MACROS_S__ */

include/plat/marvell/common/aarch64/marvell_macros.S

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __MARVELL_MACROS_S__
+#define __MARVELL_MACROS_S__
+
+#include <cci.h>
+#include <gic_common.h>
+#include <gicv2.h>
+#include <gicv3.h>
+#include <platform_def.h>
+
+/*
+ *	These Macros are required by ATF
+ */
+
+.section .rodata.gic_reg_name, "aS"
+/* Applicable only to GICv2 and GICv3 with SRE disabled (legacy mode) */
+gicc_regs:
+	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+
+#ifdef USE_CCI
+/* Applicable only to GICv3 with SRE enabled */
+icc_regs:
+	.asciz "icc_hppir0_el1", "icc_hppir1_el1", "icc_ctlr_el3", ""
+#endif
+/* Registers common to both GICv2 and GICv3 */
+gicd_pend_reg:
+	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n"	\
+		" Offset:\t\t\tvalue\n"
+newline:
+	.asciz "\n"
+spacer:
+	.asciz ":\t\t0x"
+
+	/* ---------------------------------------------
+	 * The below utility macro prints out relevant GIC
+	 * registers whenever an unhandled exception is
+	 * taken in BL31 on ARM standard platforms.
+	 * Expects: GICD base in x16, GICC base in x17
+	 * Clobbers: x0 - x10, sp
+	 * ---------------------------------------------
+	 */
+	.macro arm_print_gic_regs
+	/* Check for GICv3 system register access */
+	mrs	x7, id_aa64pfr0_el1
+	ubfx	x7, x7, #ID_AA64PFR0_GIC_SHIFT, #ID_AA64PFR0_GIC_WIDTH
+	cmp	x7, #1
+	b.ne	print_gicv2
+
+	/* Check for SRE enable */
+	mrs	x8, ICC_SRE_EL3
+	tst	x8, #ICC_SRE_SRE_BIT
+	b.eq	print_gicv2
+
+#ifdef USE_CCI
+	/* Load the icc reg list to x6 */
+	adr	x6, icc_regs
+	/* Load the icc regs to gp regs used by str_in_crash_buf_print */
+	mrs	x8, ICC_HPPIR0_EL1
+	mrs	x9, ICC_HPPIR1_EL1
+	mrs	x10, ICC_CTLR_EL3
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+#endif
+	b	print_gic_common
+
+print_gicv2:
+	/* Load the gicc reg list to x6 */
+	adr	x6, gicc_regs
+	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
+	ldr	w8, [x17, #GICC_HPPIR]
+	ldr	w9, [x17, #GICC_AHPPIR]
+	ldr	w10, [x17, #GICC_CTLR]
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+
+print_gic_common:
+	/* Print the GICD_ISPENDR regs */
+	add	x7, x16, #GICD_ISPENDR
+	adr	x4, gicd_pend_reg
+	bl	asm_print_str
+gicd_ispendr_loop:
+	sub	x4, x7, x16
+	cmp	x4, #0x280
+	b.eq	exit_print_gic_regs
+	bl	asm_print_hex
+
+	adr	x4, spacer
+	bl	asm_print_str
+
+	ldr	x4, [x7], #8
+	bl	asm_print_hex
+
+	adr	x4, newline
+	bl	asm_print_str
+	b	gicd_ispendr_loop
+exit_print_gic_regs:
+	.endm
+
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+	/* ------------------------------------------------
+	 * The below required platform porting macro prints
+	 * out relevant interconnect registers whenever an
+	 * unhandled exception is taken in BL31.
+	 * Clobbers: x0 - x9, sp
+	 * ------------------------------------------------
+	 */
+	.macro print_cci_regs
+#ifdef USE_CCI
+	adr	x6, cci_iface_regs
+	/* Store in x7 the base address of the first interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER0_SL_IFACE_IX))
+	ldr	w8, [x7, #SNOOP_CTRL_REG]
+	/* Store in x7 the base address of the second interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER1_SL_IFACE_IX))
+	ldr	w9, [x7, #SNOOP_CTRL_REG]
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+#endif
+	.endm
+
+
+#endif /* __MARVELL_MACROS_S__ */

include/plat/marvell/common/marvell_plat_priv.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __MARVELL_PLAT_PRIV_H__
+#define __MARVELL_PLAT_PRIV_H__
+
+#include <utils.h>
+
+/*****************************************************************************
+ * Function and variable prototypes
+ *****************************************************************************
+ */
+void plat_delay_timer_init(void);
+
+uint64_t mvebu_get_dram_size(uint64_t ap_base_addr);
+
+/*
+ * GIC operation, mandatory functions required in Marvell standard platforms
+ */
+void plat_marvell_gic_driver_init(void);
+void plat_marvell_gic_init(void);
+void plat_marvell_gic_cpuif_enable(void);
+void plat_marvell_gic_cpuif_disable(void);
+void plat_marvell_gic_pcpu_init(void);
+void plat_marvell_gic_irq_save(void);
+void plat_marvell_gic_irq_restore(void);
+void plat_marvell_gic_irq_pcpu_save(void);
+void plat_marvell_gic_irq_pcpu_restore(void);
+
+#endif /* __MARVELL_PLAT_PRIV_H__ */

include/plat/marvell/common/marvell_pm.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef _MARVELL_PM_H_
+#define _MARVELL_PM_H_
+
+#define MVEBU_MAILBOX_MAGIC_NUM		PLAT_MARVELL_MAILBOX_MAGIC_NUM
+#define MVEBU_MAILBOX_SUSPEND_STATE	0xb007de7c
+
+/* Mailbox entry indexes */
+/* Magic number for validity check */
+#define	MBOX_IDX_MAGIC			0
+/* Recovery from suspend entry point */
+#define	MBOX_IDX_SEC_ADDR		1
+/* Suspend state magic number */
+#define	MBOX_IDX_SUSPEND_MAGIC		2
+/* Recovery jump address for ROM bypass */
+#define	MBOX_IDX_ROM_EXIT_ADDR		3
+/* BLE execution start counter value */
+#define	MBOX_IDX_START_CNT		4
+
+#endif /* _MARVELL_PM_H_ */

include/plat/marvell/common/mvebu.h

+/*
+ * Copyright (C)  2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef _MVEBU_H_
+#define _MVEBU_H_
+
+/* Use this functions only when printf is allowed */
+#define debug_enter()	VERBOSE("----> Enter %s\n", __func__)
+#define debug_exit()	VERBOSE("<---- Exit  %s\n", __func__)
+
+/* Macro for testing alignment. Positive if number is NOT aligned */
+#define IS_NOT_ALIGN(number, align)	((number) & ((align) - 1))
+
+/* Macro for alignment up. For example, ALIGN_UP(0x0330, 0x20) = 0x0340 */
+#define ALIGN_UP(number, align) (((number) & ((align) - 1)) ? \
+		(((number) + (align)) & ~((align)-1)) : (number))
+
+/* Macro for testing whether a number is a power of 2. Positive if so */
+#define IS_POWER_OF_2(number)	((number) != 0 && \
+				(((number) & ((number) - 1)) == 0))
+
+/*
+ * Macro for ronding up to next power of 2
+ * it is done by count leading 0 (clz assembly opcode) and see msb set bit.
+ * then you can shift it left and get number which power of 2
+ * Note: this Macro is for 32 bit number
+ */
+#define ROUND_UP_TO_POW_OF_2(number)	(1 << \
+					(32 - __builtin_clz((number) - 1)))
+
+#define _1MB_				(1024ULL*1024ULL)
+#define _1GB_				(_1MB_*1024ULL)
+
+#endif	/* MVEBU_H */

plat/marvell/a8k/common/a8k_common.mk

+#
+# Copyright (C) 2016 - 2018 Marvell International Ltd.
+#
+# SPDX-License-Identifier:     BSD-3-Clause
+# https://spdx.org/licenses
+
+include tools/doimage/doimage.mk
+
+PLAT_FAMILY		:= a8k
+PLAT_FAMILY_BASE	:= plat/marvell/$(PLAT_FAMILY)
+PLAT_INCLUDE_BASE	:= include/plat/marvell/$(PLAT_FAMILY)
+PLAT_COMMON_BASE	:= $(PLAT_FAMILY_BASE)/common
+MARVELL_DRV_BASE	:= drivers/marvell
+MARVELL_COMMON_BASE	:= plat/marvell/common
+
+ERRATA_A72_859971	:= 1
+
+# Enable MSS support for a8k family
+MSS_SUPPORT		:= 1
+
+# Disable EL3 cache for power management
+BL31_CACHE_DISABLE	:= 1
+$(eval $(call add_define,BL31_CACHE_DISABLE))
+
+$(eval $(call add_define,PCI_EP_SUPPORT))
+$(eval $(call assert_boolean,PCI_EP_SUPPORT))
+
+DOIMAGEPATH		?=	tools/doimage
+DOIMAGETOOL		?=	${DOIMAGEPATH}/doimage
+
+ROM_BIN_EXT ?= $(BUILD_PLAT)/ble.bin
+DOIMAGE_FLAGS	+= -b $(ROM_BIN_EXT) $(NAND_DOIMAGE_FLAGS) $(DOIMAGE_SEC_FLAGS)
+
+# This define specifies DDR type for BLE
+$(eval $(call add_define,CONFIG_DDR4))
+
+MARVELL_GIC_SOURCES	:=	drivers/arm/gic/common/gic_common.c	\
+				drivers/arm/gic/v2/gicv2_main.c		\
+				drivers/arm/gic/v2/gicv2_helpers.c	\
+				plat/common/plat_gicv2.c
+
+ATF_INCLUDES		:=	-Iinclude/common/tbbr
+
+PLAT_INCLUDES		:=	-I$(PLAT_FAMILY_BASE)/$(PLAT)		\
+				-I$(PLAT_COMMON_BASE)/include		\
+				-I$(PLAT_INCLUDE_BASE)/common		\
+				-Iinclude/drivers/marvell		\
+				-Iinclude/drivers/marvell/mochi		\
+				$(ATF_INCLUDES)
+
+PLAT_BL_COMMON_SOURCES	:=	$(PLAT_COMMON_BASE)/aarch64/a8k_common.c \
+				drivers/console/aarch64/console.S	 \
+				drivers/ti/uart/aarch64/16550_console.S
+
+BLE_PORTING_SOURCES	:=	$(PLAT_FAMILY_BASE)/$(PLAT)/board/dram_port.c \
+				$(PLAT_FAMILY_BASE)/$(PLAT)/board/marvell_plat_config.c
+
+MARVELL_MOCHI_DRV	+=	$(MARVELL_DRV_BASE)/mochi/cp110_setup.c
+
+BLE_SOURCES		:=	$(PLAT_COMMON_BASE)/plat_ble_setup.c		\
+				$(MARVELL_MOCHI_DRV)			       \
+				$(MARVELL_DRV_BASE)/i2c/a8k_i2c.c	 	\
+				$(PLAT_COMMON_BASE)/plat_pm.c		 	\
+				$(MARVELL_DRV_BASE)/thermal.c			\
+				$(PLAT_COMMON_BASE)/plat_thermal.c		\
+				$(BLE_PORTING_SOURCES)				\
+				$(MARVELL_DRV_BASE)/ccu.c			\
+				$(MARVELL_DRV_BASE)/io_win.c
+
+BL1_SOURCES		+=	$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S \
+				lib/cpus/aarch64/cortex_a72.S
+
+MARVELL_DRV		:= 	$(MARVELL_DRV_BASE)/io_win.c	\
+				$(MARVELL_DRV_BASE)/iob.c	\
+				$(MARVELL_DRV_BASE)/mci.c	\
+				$(MARVELL_DRV_BASE)/amb_adec.c	\
+				$(MARVELL_DRV_BASE)/ccu.c	\
+				$(MARVELL_DRV_BASE)/cache_llc.c	\
+				$(MARVELL_DRV_BASE)/comphy/phy-comphy-cp110.c
+
+BL31_PORTING_SOURCES	:=	$(PLAT_FAMILY_BASE)/$(PLAT)/board/marvell_plat_config.c
+
+BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a72.S		       \
+				$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S     \
+				$(PLAT_COMMON_BASE)/aarch64/plat_arch_config.c \
+				$(PLAT_COMMON_BASE)/plat_pm.c		       \
+				$(PLAT_COMMON_BASE)/plat_bl31_setup.c	       \
+				$(MARVELL_COMMON_BASE)/marvell_gicv2.c	       \
+				$(MARVELL_COMMON_BASE)/mrvl_sip_svc.c	       \
+				$(MARVELL_COMMON_BASE)/marvell_ddr_info.c      \
+				$(BL31_PORTING_SOURCES)			       \
+				$(MARVELL_DRV)				       \
+				$(MARVELL_MOCHI_DRV)			       \
+				$(MARVELL_GIC_SOURCES)
+
+# Add trace functionality for PM
+BL31_SOURCES		+=	$(PLAT_COMMON_BASE)/plat_pm_trace.c
+
+# Disable the PSCI platform compatibility layer (allows porting
+# from Old Platform APIs to the new APIs).
+# It is not needed since Marvell platform already used the new platform APIs.
+ENABLE_PLAT_COMPAT	:= 	0
+
+# Force builds with BL2 image on a80x0 platforms
+ifndef SCP_BL2
+ $(error "Error: SCP_BL2 image is mandatory for a8k family")
+endif
+
+# MSS (SCP) build
+include $(PLAT_COMMON_BASE)/mss/mss_a8k.mk
+
+# BLE (ROM context execution code, AKA binary extension)
+BLE_PATH	?=  ble
+
+include ${BLE_PATH}/ble.mk
+$(eval $(call MAKE_BL,e))
+
+mrvl_flash: ${BUILD_PLAT}/${FIP_NAME} ${DOIMAGETOOL} ${BUILD_PLAT}/ble.bin
+	$(shell truncate -s %128K ${BUILD_PLAT}/bl1.bin)
+	$(shell cat ${BUILD_PLAT}/bl1.bin ${BUILD_PLAT}/${FIP_NAME} > ${BUILD_PLAT}/${BOOT_IMAGE})
+	${DOIMAGETOOL} ${DOIMAGE_FLAGS} ${BUILD_PLAT}/${BOOT_IMAGE} ${BUILD_PLAT}/${FLASH_IMAGE}
+

plat/marvell/a8k/common/aarch64/a8k_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_BLE
+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/a8k/common/aarch64/plat_arch_config.c

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <platform.h>
+#include <arch_helpers.h>
+#include <mmio.h>
+#include <debug.h>
+#include <cache_llc.h>
+
+
+#define CCU_HTC_ASET			(MVEBU_CCU_BASE(MVEBU_AP0) + 0x264)
+#define MVEBU_IO_AFFINITY		(0xF00)
+
+
+static void plat_enable_affinity(void)
+{
+	int cluster_id;
+	int affinity;
+
+	/* set CPU Affinity */
+	cluster_id = plat_my_core_pos() / PLAT_MARVELL_CLUSTER_CORE_COUNT;
+	affinity = (MVEBU_IO_AFFINITY | (1 << cluster_id));
+	mmio_write_32(CCU_HTC_ASET, affinity);
+
+	/* set barier */
+	isb();
+}
+
+void marvell_psci_arch_init(int die_index)
+{
+#if LLC_ENABLE
+	/* check if LLC is in exclusive mode
+	 * as L2 is configured to UniqueClean eviction
+	 * (in a8k reset handler)
+	 */
+	if (llc_is_exclusive(0) == 0)
+		ERROR("LLC should be configured to exclusice mode\n");
+#endif
+
+	/* Enable Affinity */
+	plat_enable_affinity();
+}

plat/marvell/a8k/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>
+#include <marvell_pm.h>
+
+	.globl	plat_secondary_cold_boot_setup
+	.globl	plat_get_my_entrypoint
+	.globl	plat_is_my_cpu_primary
+	.globl  plat_reset_handler
+
+	/* -----------------------------------------------------
+	 * 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 a cold and warm boot
+	 * For a cold boot, return 0.
+	 * For a warm boot, read the mailbox and return the address it contains.
+	 *
+	 * ---------------------------------------------------------------------
+	 */
+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, MVEBU_MAILBOX_MAGIC_NUM
+	cmp     x1, x2
+	beq     warm_boot  /* If compare failed, return 0, i.e. cold boot */
+	mov     x0, #0
+	ret
+warm_boot:
+	mov_imm x1, MBOX_IDX_SEC_ADDR		/* Get the jump address */
+	subs	x1, x1, #1
+	mov	x2, #(MBOX_IDX_SEC_ADDR * 8)
+	lsl	x3, x2, x1
+	add     x0, x0, x3
+	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
+
+        /* -----------------------------------------------------
+	 * void plat_reset_handler (void);
+         *
+	 * Platform specific configuration right after cpu is
+	 * is our of reset.
+	 *
+         * The plat_reset_handler can clobber x0 - x18, x30.
+         * -----------------------------------------------------
+         */
+func plat_reset_handler
+	/*
+	 * Note: the configurations below  should be done before MMU,
+	 *	  I Cache and L2are enabled.
+	 *	  The reset handler is executed right after reset
+	 * 	  and before Caches are enabled.
+	 */
+
+	/* Enable L1/L2 ECC and Parity */
+	mrs x5, s3_1_c11_c0_2  /* L2 Ctrl */
+	orr x5, x5, #(1 << 21) /* Enable L1/L2 cache ECC & Parity */
+	msr s3_1_c11_c0_2, x5  /* L2 Ctrl */
+
+#if LLC_ENABLE
+	/*
+	 * Enable L2 UniqueClean evictions
+	 *  Note: this configuration assumes that LLC is configured
+	 *	  in exclusive mode.
+	 *	  Later on in the code this assumption will be validated
+	 */
+	mrs x5, s3_1_c15_c0_0  /* L2 Ctrl */
+	orr x5, x5, #(1 << 14) /* Enable UniqueClean evictions with data */
+	msr s3_1_c15_c0_0, x5  /* L2 Ctrl */
+#endif
+
+	/* Instruction Barrier to allow msr command completion */
+	isb
+
+        ret
+endfunc plat_reset_handler

plat/marvell/a8k/common/include/a8k_plat_def.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __A8K_PLAT_DEF_H__
+#define __A8K_PLAT_DEF_H__
+
+#include <marvell_def.h>
+
+#define MVEBU_PRIMARY_CPU		0x0
+#define MVEBU_AP0			0x0
+
+/* APN806 revision ID */
+#define MVEBU_CSS_GWD_CTRL_IIDR2_REG	(MVEBU_REGS_BASE + 0x610FCC)
+#define GWD_IIDR2_REV_ID_OFFSET		12
+#define GWD_IIDR2_REV_ID_MASK		0xF
+#define GWD_IIDR2_CHIP_ID_OFFSET	20
+#define GWD_IIDR2_CHIP_ID_MASK		(0xFFF << GWD_IIDR2_CHIP_ID_OFFSET)
+
+#define CHIP_ID_AP806			0x806
+#define CHIP_ID_AP807			0x807
+
+#define COUNTER_FREQUENCY		25000000
+
+#define MVEBU_REGS_BASE			0xF0000000
+#define MVEBU_REGS_BASE_MASK		0xF0000000
+#define MVEBU_REGS_BASE_AP(ap)		MVEBU_REGS_BASE
+#define MVEBU_CP_REGS_BASE(cp_index)	(0xF2000000 + (cp_index) * 0x2000000)
+#define MVEBU_RFU_BASE			(MVEBU_REGS_BASE + 0x6F0000)
+#define MVEBU_IO_WIN_BASE(ap_index)	(MVEBU_RFU_BASE)
+#define MVEBU_IO_WIN_GCR_OFFSET		(0x70)
+#define MVEBU_IO_WIN_MAX_WINS		(7)
+
+/* Misc SoC configurations Base */
+#define MVEBU_MISC_SOC_BASE		(MVEBU_REGS_BASE + 0x6F4300)
+
+#define MVEBU_CCU_BASE(ap_index)	(MVEBU_REGS_BASE + 0x4000)
+#define MVEBU_CCU_MAX_WINS		(8)
+
+#define MVEBU_LLC_BASE(ap_index)	(MVEBU_REGS_BASE + 0x8000)
+#define MVEBU_DRAM_MAC_BASE		(MVEBU_REGS_BASE + 0x20000)
+#define MVEBU_DRAM_PHY_BASE		(MVEBU_REGS_BASE + 0x20000)
+#define MVEBU_SMMU_BASE			(MVEBU_REGS_BASE + 0x100000)
+#define MVEBU_CP_MPP_REGS(cp_index, n)	(MVEBU_CP_REGS_BASE(cp_index) + \
+						0x440000 + ((n) << 2))
+#define MVEBU_PM_MPP_REGS(cp_index, n)	(MVEBU_CP_REGS_BASE(cp_index) + \
+						0x440000 + ((n / 8) << 2))
+#define MVEBU_CP_GPIO_DATA_OUT(cp_index, n) \
+					(MVEBU_CP_REGS_BASE(cp_index) + \
+					0x440100 + ((n > 32) ? 0x40 : 0x00))
+#define MVEBU_CP_GPIO_DATA_OUT_EN(cp_index, n) \
+					(MVEBU_CP_REGS_BASE(cp_index) + \
+					0x440104 + ((n > 32) ? 0x40 : 0x00))
+#define MVEBU_CP_GPIO_DATA_IN(cp_index, n) (MVEBU_CP_REGS_BASE(cp_index) + \
+					0x440110 + ((n > 32) ? 0x40 : 0x00))
+#define MVEBU_AP_MPP_REGS(n)		(MVEBU_RFU_BASE + 0x4000 + ((n) << 2))
+#define MVEBU_AP_GPIO_REGS		(MVEBU_RFU_BASE + 0x5040)
+#define MVEBU_AP_GPIO_DATA_IN		(MVEBU_AP_GPIO_REGS + 0x10)
+#define MVEBU_AP_I2C_BASE		(MVEBU_REGS_BASE + 0x511000)
+#define MVEBU_CP0_I2C_BASE		(MVEBU_CP_REGS_BASE(0) + 0x701000)
+#define MVEBU_AP_EXT_TSEN_BASE		(MVEBU_RFU_BASE + 0x8084)
+
+#define MVEBU_AP_MC_TRUSTZONE_REG_LOW(ap, win)	(MVEBU_REGS_BASE_AP(ap) + \
+							0x20080 + ((win) * 0x8))
+#define MVEBU_AP_MC_TRUSTZONE_REG_HIGH(ap, win)	(MVEBU_REGS_BASE_AP(ap) + \
+							0x20084 + ((win) * 0x8))
+
+/* MCI indirect access definitions */
+#define MCI_MAX_UNIT_ID				2
+/* SoC RFU / IHBx4 Control */
+#define MCIX4_REG_START_ADDRESS_REG(unit_id)	(MVEBU_RFU_BASE + \
+						0x4218 + (unit_id * 0x20))
+#define MCI_REMAP_OFF_SHIFT			8
+
+#define MVEBU_MCI_REG_BASE_REMAP(index)		(0xFD000000 + \
+						((index) * 0x1000000))
+
+#define MVEBU_PCIE_X4_MAC_BASE(x)	(MVEBU_CP_REGS_BASE(x) + 0x600000)
+#define MVEBU_COMPHY_BASE(x)		(MVEBU_CP_REGS_BASE(x) + 0x441000)
+#define MVEBU_HPIPE_BASE(x)		(MVEBU_CP_REGS_BASE(x) + 0x120000)
+#define MVEBU_CP_DFX_OFFSET		(0x400200)
+
+/*****************************************************************************
+ * MVEBU memory map related constants
+ *****************************************************************************
+ */
+/* Aggregate of all devices in the first GB */
+#define DEVICE0_BASE			MVEBU_REGS_BASE
+#define DEVICE0_SIZE			0x10000000
+
+/*****************************************************************************
+ * GIC-400 & interrupt handling related constants
+ *****************************************************************************
+ */
+/* Base MVEBU compatible GIC memory map */
+#define MVEBU_GICD_BASE			0x210000
+#define MVEBU_GICC_BASE			0x220000
+
+
+/*****************************************************************************
+ * AXI Configuration
+ *****************************************************************************
+ */
+#define MVEBU_AXI_ATTR_ARCACHE_OFFSET		4
+#define MVEBU_AXI_ATTR_ARCACHE_MASK		(0xF << \
+						 MVEBU_AXI_ATTR_ARCACHE_OFFSET)
+#define MVEBU_AXI_ATTR_ARDOMAIN_OFFSET		12
+#define MVEBU_AXI_ATTR_ARDOMAIN_MASK		(0x3 << \
+						 MVEBU_AXI_ATTR_ARDOMAIN_OFFSET)
+#define MVEBU_AXI_ATTR_AWCACHE_OFFSET		20
+#define MVEBU_AXI_ATTR_AWCACHE_MASK		(0xF << \
+						 MVEBU_AXI_ATTR_AWCACHE_OFFSET)
+#define MVEBU_AXI_ATTR_AWDOMAIN_OFFSET		28
+#define MVEBU_AXI_ATTR_AWDOMAIN_MASK		(0x3 << \
+						 MVEBU_AXI_ATTR_AWDOMAIN_OFFSET)
+
+/* SATA MBUS to AXI configuration */
+#define MVEBU_SATA_M2A_AXI_ARCACHE_OFFSET	1
+#define MVEBU_SATA_M2A_AXI_ARCACHE_MASK		(0xF << \
+					MVEBU_SATA_M2A_AXI_ARCACHE_OFFSET)
+#define MVEBU_SATA_M2A_AXI_AWCACHE_OFFSET	5
+#define MVEBU_SATA_M2A_AXI_AWCACHE_MASK		(0xF << \
+					MVEBU_SATA_M2A_AXI_AWCACHE_OFFSET)
+
+/* ARM cache attributes */
+#define CACHE_ATTR_BUFFERABLE			0x1
+#define CACHE_ATTR_CACHEABLE			0x2
+#define CACHE_ATTR_READ_ALLOC			0x4
+#define CACHE_ATTR_WRITE_ALLOC			0x8
+/* Domain */
+#define DOMAIN_NON_SHAREABLE			0x0
+#define DOMAIN_INNER_SHAREABLE			0x1
+#define DOMAIN_OUTER_SHAREABLE			0x2
+#define DOMAIN_SYSTEM_SHAREABLE			0x3
+
+/************************************************************************
+ * Required platform porting definitions common to all
+ * Management Compute SubSystems (MSS)
+ ************************************************************************
+ */
+/*
+ * Load address of SCP_BL2
+ * SCP_BL2 is loaded to the same place as BL31.
+ * Once SCP_BL2 is transferred to the SCP,
+ * it is discarded and BL31 is loaded over the top.
+ */
+#ifdef SCP_IMAGE
+#define SCP_BL2_BASE                    BL31_BASE
+#endif
+
+#ifndef __ASSEMBLER__
+enum ap806_sar_target_dev {
+	SAR_PIDI_MCIX2		= 0x0,
+	SAR_MCIX4		= 0x1,
+	SAR_SPI			= 0x2,
+	SAR_SD			= 0x3,
+	SAR_PIDI_MCIX2_BD	= 0x4, /* BootRom disabled */
+	SAR_MCIX4_DB		= 0x5, /* BootRom disabled */
+	SAR_SPI_DB		= 0x6, /* BootRom disabled */
+	SAR_EMMC		= 0x7
+};
+
+enum io_win_target_ids {
+	MCI_0_TID	 = 0x0,
+	MCI_1_TID	 = 0x1,
+	MCI_2_TID	 = 0x2,
+	PIDI_TID	 = 0x3,
+	SPI_TID		 = 0x4,
+	STM_TID		 = 0x5,
+	BOOTROM_TID	 = 0x6,
+	IO_WIN_MAX_TID
+};
+
+enum ccu_target_ids {
+	IO_0_TID        = 0x00,
+	DRAM_0_TID      = 0x03,
+	IO_1_TID        = 0x0F,
+	CFG_REG_TID     = 0x10,
+	RAR_TID         = 0x20,
+	SRAM_TID        = 0x40,
+	DRAM_1_TID      = 0xC0,
+	CCU_MAX_TID,
+	INVALID_TID     = 0xFF
+};
+#endif /* __ASSEMBLER__ */
+
+#endif /* __A8K_PLAT_DEF_H__ */

plat/marvell/a8k/common/include/ddr_info.h

+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#define DRAM_MAX_IFACE			1
+#define DRAM_CH0_MMAP_LOW_OFFSET	0x20200

plat/marvell/a8k/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>
+
+/*
+ * Required platform porting macros
+ * (Provided by included headers)
+ */
+.macro plat_crash_print_regs
+.endm
+
+#endif /* __PLAT_MACROS_S__ */

plat/marvell/a8k/common/include/platform_def.h

+/*
+ * Copyright (C) 2018 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 <gic_common.h>
+#include <interrupt_props.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
+ */
+
+/*
+ * Since BL33 is loaded by BL2 (and validated by BL31) to DRAM offset 0,
+ * it is allowed to load/copy images to 'NULL' pointers
+ */
+#if defined(IMAGE_BL2) || defined(IMAGE_BL31)
+#define PLAT_ALLOW_ZERO_ADDR_COPY
+#endif
+
+#define PLAT_MARVELL_SRAM_BASE			0xFFE1C048
+#define PLAT_MARVELL_SRAM_END			0xFFE78000
+
+#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_NORTHB_COUNT		1
+
+#define PLAT_MARVELL_CLUSTER_COUNT		2
+#define PLAT_MARVELL_CLUSTER_CORE_COUNT		2
+
+#define PLAT_MARVELL_CORE_COUNT			(PLAT_MARVELL_CLUSTER_COUNT * \
+						PLAT_MARVELL_CLUSTER_CORE_COUNT)
+
+/* 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_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
+
+/*
+ * 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 + 0x512000)
+#define PLAT_MARVELL_BOOT_UART_CLK_IN_HZ	200000000
+
+#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
+
+/* Recovery image enable */
+#define PLAT_RECOVERY_IMAGE_ENABLE		0
+
+/* 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 (note the lower memory space
+ * is reserved for BLE data)
+ */
+#define PLAT_MARVELL_MAILBOX_BASE		(MARVELL_TRUSTED_SRAM_BASE \
+							+ 0x400)
+#define PLAT_MARVELL_MAILBOX_SIZE		0x100
+#define PLAT_MARVELL_MAILBOX_MAGIC_NUM		0x6D72766C	/* mrvl */
+
+/* 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
+
+#define BL32_BASE				TRUSTED_DRAM_BASE
+
+#endif /* __PLATFORM_DEF_H__ */

plat/marvell/a8k/common/mss/mss_a8k.mk

+#
+# Copyright (C) 2018 Marvell International Ltd.
+#
+# SPDX-License-Identifier:	BSD-3-Clause
+# https://spdx.org/licenses
+#
+
+PLAT_MARVELL		:=	plat/marvell
+A8K_MSS_SOURCE		:=	$(PLAT_MARVELL)/a8k/common/mss
+
+BL2_SOURCES		+=	$(A8K_MSS_SOURCE)/mss_bl2_setup.c
+
+BL31_SOURCES		+=	$(A8K_MSS_SOURCE)/mss_pm_ipc.c
+
+PLAT_INCLUDES		+=	-I$(A8K_MSS_SOURCE)
+
+ifneq (${SCP_BL2},)
+# This define is used to inidcate the SCP image is present
+$(eval $(call add_define,SCP_IMAGE))
+endif