nxp: platform files for bl2 and bl31 setup

For NXP platforms:
- Setup files for BL2 and BL31
- Other supporting files.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I36a1183a0652701bdede9e02d41eb976accbb017

plat/nxp/common/setup/aarch64/ls_bl2_mem_params_desc.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <common/bl_common.h>
+#include <common/desc_image_load.h>
+#ifdef CSF_HEADER_PREPENDED
+#include <csf_hdr.h>
+#endif
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+/*******************************************************************************
+ * Following descriptor provides BL image/ep information that gets used
+ * by BL2 to load the images and also subset of this information is
+ * passed to next BL image. The image loading sequence is managed by
+ * populating the images in required loading order. The image execution
+ * sequence is managed by populating the `next_handoff_image_id` with
+ * the next executable image id.
+ ******************************************************************************/
+static bl_mem_params_node_t bl2_mem_params_descs[] = {
+	/* Fill BL31 related information */
+	{
+		.image_id = BL31_IMAGE_ID,
+
+		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+				VERSION_2, entry_point_info_t,
+				SECURE | EXECUTABLE | EP_FIRST_EXE),
+		.ep_info.pc = BL31_BASE,
+		.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
+				DISABLE_ALL_EXCEPTIONS),
+#if DEBUG
+		.ep_info.args.arg1 = LS_BL31_PLAT_PARAM_VAL,
+#endif
+
+		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+			VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
+#ifdef CSF_HEADER_PREPENDED
+		.image_info.image_base = BL31_BASE - CSF_HDR_SZ,
+		.image_info.image_max_size = (BL31_LIMIT - BL31_BASE) +
+								CSF_HDR_SZ,
+#else
+		.image_info.image_base = BL31_BASE,
+		.image_info.image_max_size = (BL31_LIMIT - BL31_BASE),
+#endif
+
+# ifdef NXP_LOAD_BL32
+		.next_handoff_image_id = BL32_IMAGE_ID,
+# else
+		.next_handoff_image_id = BL33_IMAGE_ID,
+# endif
+	},
+# ifdef NXP_LOAD_BL32
+	/* Fill BL32 related information */
+	{
+		.image_id = BL32_IMAGE_ID,
+
+		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+			VERSION_2, entry_point_info_t, SECURE | EXECUTABLE),
+		.ep_info.pc = BL32_BASE,
+
+		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+				VERSION_2, image_info_t, 0),
+#ifdef CSF_HEADER_PREPENDED
+		.image_info.image_base = BL32_BASE - CSF_HDR_SZ,
+		.image_info.image_max_size = (BL32_LIMIT - BL32_BASE) +
+								CSF_HDR_SZ,
+#else
+		.image_info.image_base = BL32_BASE,
+		.image_info.image_max_size = (BL32_LIMIT - BL32_BASE),
+#endif
+		.next_handoff_image_id = BL33_IMAGE_ID,
+	},
+# endif /* BL32_BASE */
+
+	/* Fill BL33 related information */
+	{
+		.image_id = BL33_IMAGE_ID,
+		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+			VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
+		.ep_info.pc = BL33_BASE,
+
+		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+				VERSION_2, image_info_t, 0),
+#ifdef CSF_HEADER_PREPENDED
+		.image_info.image_base = BL33_BASE - CSF_HDR_SZ,
+		.image_info.image_max_size = (BL33_LIMIT - BL33_BASE) +
+								 CSF_HDR_SZ,
+#else
+		.image_info.image_base = BL33_BASE,
+		.image_info.image_max_size = BL33_LIMIT - BL33_BASE,
+#endif
+		.ep_info.spsr = SPSR_64(MODE_EL1, MODE_SP_ELX,
+					DISABLE_ALL_EXCEPTIONS),
+
+		.next_handoff_image_id = INVALID_IMAGE_ID,
+	}
+};
+
+REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)

plat/nxp/common/setup/common.mk

+#
+# Copyright 2018-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+
+###############################################################################
+# Flow begins in BL2 at EL3 mode
+BL2_AT_EL3			:= 1
+
+# Though one core is powered up by default, there are
+# platform specific ways to release more than one core
+COLD_BOOT_SINGLE_CPU		:= 0
+
+PROGRAMMABLE_RESET_ADDRESS	:= 1
+
+USE_COHERENT_MEM		:= 0
+
+# Use generic OID definition (tbbr_oid.h)
+USE_TBBR_DEFS			:= 1
+
+PLAT_XLAT_TABLES_DYNAMIC	:= 0
+
+ENABLE_SVE_FOR_NS		:= 0
+
+ENABLE_STACK_PROTECTOR		:= 0
+
+ERROR_DEPRECATED		:= 0
+
+LS_DISABLE_TRUSTED_WDOG		:= 1
+
+# On ARM platforms, separate the code and read-only data sections to allow
+# mapping the former as executable and the latter as execute-never.
+SEPARATE_CODE_AND_RODATA	:= 1
+
+# Enable new version of image loading on ARM platforms
+LOAD_IMAGE_V2			:= 1
+
+RCW				:= ""
+
+ifneq (${SPD},none)
+$(eval $(call add_define, NXP_LOAD_BL32))
+endif
+
+###############################################################################
+
+PLAT_TOOL_PATH		:=	tools/nxp
+CREATE_PBL_TOOL_PATH	:=	${PLAT_TOOL_PATH}/create_pbl
+PLAT_SETUP_PATH		:=	${PLAT_PATH}/common/setup
+
+PLAT_INCLUDES		+=	-I${PLAT_SETUP_PATH}/include			\
+				-Iinclude/plat/arm/common			\
+				-Iinclude/drivers/arm   			\
+				-Iinclude/lib					\
+				-Iinclude/drivers/io			\
+				-Ilib/psci
+
+# Required without TBBR.
+# To include the defines for DDR PHY Images.
+PLAT_INCLUDES		+=	-Iinclude/common/tbbr
+
+include ${PLAT_SETUP_PATH}/core.mk
+PLAT_BL_COMMON_SOURCES	+= 	${CPU_LIBS} \
+				plat/nxp/common/setup/ls_err.c		\
+				plat/nxp/common/setup/ls_common.c
+
+ifneq (${ENABLE_STACK_PROTECTOR},0)
+PLAT_BL_COMMON_SOURCES	+=	${PLAT_SETUP_PATH}/ls_stack_protector.c
+endif
+
+include lib/xlat_tables_v2/xlat_tables.mk
+
+PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
+
+BL2_SOURCES		+=	drivers/io/io_fip.c			\
+				drivers/io/io_memmap.c			\
+				drivers/io/io_storage.c			\
+				common/desc_image_load.c 		\
+				plat/nxp/common/setup/ls_image_load.c		\
+				plat/nxp/common/setup/ls_io_storage.c		\
+				plat/nxp/common/setup/ls_bl2_el3_setup.c	\
+				plat/nxp/common/setup/${ARCH}/ls_bl2_mem_params_desc.c
+
+BL31_SOURCES		+=	plat/nxp/common/setup/ls_bl31_setup.c	\
+
+ifeq (${LS_EL3_INTERRUPT_HANDLER}, yes)
+$(eval $(call add_define, LS_EL3_INTERRUPT_HANDLER))
+BL31_SOURCES		+=	plat/nxp/common/setup/ls_interrupt_mgmt.c
+endif
+
+ifeq (${TEST_BL31}, 1)
+BL31_SOURCES		+=	${TEST_SOURCES}
+endif
+
+# Verify build config
+# -------------------
+
+ifneq (${LOAD_IMAGE_V2}, 1)
+  $(error Error: Layerscape needs LOAD_IMAGE_V2=1)
+else
+$(eval $(call add_define,LOAD_IMAGE_V2))
+endif
+
+include $(CREATE_PBL_TOOL_PATH)/create_pbl.mk

plat/nxp/common/setup/core.mk

+# Copyright 2018-2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+#------------------------------------------------------------------------------
+#
+# Select the CORE files
+#
+# -----------------------------------------------------------------------------
+
+CPU_LIBS		:=	lib/cpus/${ARCH}/aem_generic.S
+
+ifeq (,$(filter $(CORE_TYPE),a53 a55 a57 a72 a75))
+$(error "CORE_TYPE not specified or incorrect")
+else
+CPU_LIBS		+=	lib/cpus/${ARCH}/cortex_$(CORE_TYPE).S
+endif
+
+# -----------------------------------------------------------------------------

plat/nxp/common/setup/include/bl31_data.h

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef BL31_DATA_H
+#define	BL31_DATA_H
+
+#define SECURE_DATA_BASE     NXP_OCRAM_ADDR
+#define SECURE_DATA_SIZE     NXP_OCRAM_SIZE
+#define SECURE_DATA_TOP      (SECURE_DATA_BASE + SECURE_DATA_SIZE)
+#define SMC_REGION_SIZE      0x80
+#define SMC_GLBL_BASE        (SECURE_DATA_TOP - SMC_REGION_SIZE)
+#define BC_PSCI_DATA_SIZE    0xC0
+#define BC_PSCI_BASE         (SMC_GLBL_BASE - BC_PSCI_DATA_SIZE)
+#define SECONDARY_TOP        BC_PSCI_BASE
+
+#define SEC_PSCI_DATA_SIZE   0xC0
+#define SEC_REGION_SIZE      SEC_PSCI_DATA_SIZE
+
+/* SMC global data */
+#define BOOTLOC_OFFSET       0x0
+#define BOOT_SVCS_OSET       0x8
+
+/* offset to prefetch disable mask */
+#define PREFETCH_DIS_OFFSET  0x10
+/* must reference last smc global entry */
+#define LAST_SMC_GLBL_OFFSET 0x18
+
+#define SMC_TASK_OFFSET      0xC
+#define TSK_START_OFFSET     0x0
+#define TSK_DONE_OFFSET      0x4
+#define TSK_CORE_OFFSET      0x8
+#define SMC_TASK1_BASE       (SMC_GLBL_BASE + 32)
+#define SMC_TASK2_BASE       (SMC_TASK1_BASE + SMC_TASK_OFFSET)
+#define SMC_TASK3_BASE       (SMC_TASK2_BASE + SMC_TASK_OFFSET)
+#define SMC_TASK4_BASE       (SMC_TASK3_BASE + SMC_TASK_OFFSET)
+
+/* psci data area offsets */
+#define CORE_STATE_DATA    0x0
+#define SPSR_EL3_DATA      0x8
+#define CNTXT_ID_DATA      0x10
+#define START_ADDR_DATA    0x18
+#define LINK_REG_DATA      0x20
+#define GICC_CTLR_DATA     0x28
+#define ABORT_FLAG_DATA    0x30
+#define SCTLR_DATA         0x38
+#define CPUECTLR_DATA      0x40
+#define AUX_01_DATA        0x48  /* usage defined per SoC */
+#define AUX_02_DATA        0x50  /* usage defined per SoC */
+#define AUX_03_DATA        0x58  /* usage defined per SoC */
+#define AUX_04_DATA        0x60  /* usage defined per SoC */
+#define AUX_05_DATA        0x68  /* usage defined per SoC */
+#define AUX_06_DATA        0x70  /* usage defined per SoC */
+#define AUX_07_DATA        0x78  /* usage defined per SoC */
+#define SCR_EL3_DATA       0x80
+#define HCR_EL2_DATA       0x88
+
+#endif /* BL31_DATA_H */

plat/nxp/common/setup/include/ls_interrupt_mgmt.h

+/*
+ * Copyright 2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef LS_EL3_INTRPT_MGMT_H
+#define LS_EL3_INTRPT_MGMT_H
+
+#include <bl31/interrupt_mgmt.h>
+
+#define MAX_INTR_EL3		128
+
+/*
+ * Register handler to specific GIC entrance
+ * for INTR_TYPE_EL3 type of interrupt
+ */
+int request_intr_type_el3(uint32_t id, interrupt_type_handler_t handler);
+
+void ls_el3_interrupt_config(void);
+
+#endif	/*	LS_EL3_INTRPT_MGMT_H	*/

plat/nxp/common/setup/include/mmu_def.h

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef MMU_MAP_DEF_H
+#define MMU_MAP_DEF_H
+
+#include <lib/xlat_tables/xlat_tables_defs.h>
+
+#include <platform_def.h>
+
+
+#define LS_MAP_CCSR		MAP_REGION_FLAT(NXP_CCSR_ADDR, \
+					NXP_CCSR_SIZE, \
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#ifdef NXP_DCSR_ADDR
+#define LS_MAP_DCSR		MAP_REGION_FLAT(NXP_DCSR_ADDR, \
+					NXP_DCSR_SIZE, \
+					MT_DEVICE | MT_RW | MT_SECURE)
+#endif
+
+#define LS_MAP_CONSOLE		MAP_REGION_FLAT(NXP_DUART1_ADDR, \
+					NXP_DUART_SIZE, \
+					MT_DEVICE | MT_RW | MT_NS)
+
+#define LS_MAP_OCRAM		MAP_REGION_FLAT(NXP_OCRAM_ADDR, \
+					NXP_OCRAM_SIZE, \
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#endif /* MMU_MAP_DEF_H */

plat/nxp/common/setup/include/plat_common.h

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_COMMON_H
+#define PLAT_COMMON_H
+
+#include <stdbool.h>
+
+#include <lib/el3_runtime/cpu_data.h>
+#include <platform_def.h>
+
+#ifdef IMAGE_BL31
+
+#define BL31_END (uintptr_t)(&__BL31_END__)
+
+/*******************************************************************************
+ * This structure represents the superset of information that can be passed to
+ * BL31 e.g. while passing control to it from BL2. The BL32 parameters will be
+ * populated only if BL2 detects its presence. A pointer to a structure of this
+ * type should be passed in X0 to BL31's cold boot entrypoint.
+ *
+ * Use of this structure and the X0 parameter is not mandatory: the BL31
+ * platform code can use other mechanisms to provide the necessary information
+ * about BL32 and BL33 to the common and SPD code.
+ *
+ * BL31 image information is mandatory if this structure is used. If either of
+ * the optional BL32 and BL33 image information is not provided, this is
+ * indicated by the respective image_info pointers being zero.
+ ******************************************************************************/
+typedef struct bl31_params {
+	param_header_t h;
+	image_info_t *bl31_image_info;
+	entry_point_info_t *bl32_ep_info;
+	image_info_t *bl32_image_info;
+	entry_point_info_t *bl33_ep_info;
+	image_info_t *bl33_image_info;
+} bl31_params_t;
+
+/* BL3 utility functions */
+void ls_bl31_early_platform_setup(void *from_bl2,
+				void *plat_params_from_bl2);
+/* LS Helper functions	*/
+unsigned int plat_my_core_mask(void);
+unsigned int plat_core_mask(u_register_t mpidr);
+unsigned int plat_core_pos(u_register_t mpidr);
+//unsigned int plat_my_core_pos(void);
+
+/* BL31 Data API(s) */
+void _init_global_data(void);
+void _initialize_psci(void);
+uint32_t _getCoreState(u_register_t core_mask);
+void _setCoreState(u_register_t core_mask, u_register_t core_state);
+
+/* SoC defined structure and API(s) */
+void soc_runtime_setup(void);
+void soc_init(void);
+void soc_platform_setup(void);
+void soc_early_platform_setup2(void);
+#endif /* IMAGE_BL31 */
+
+#ifdef IMAGE_BL2
+void soc_early_init(void);
+void soc_mem_access(void);
+void soc_preload_setup(void);
+void soc_bl2_prepare_exit(void);
+
+/* IO storage utility functions */
+int plat_io_setup(void);
+int open_backend(const uintptr_t spec);
+
+void ls_bl2_plat_arch_setup(void);
+void ls_bl2_el3_plat_arch_setup(void);
+
+enum boot_device {
+	BOOT_DEVICE_IFC_NOR,
+	BOOT_DEVICE_IFC_NAND,
+	BOOT_DEVICE_QSPI,
+	BOOT_DEVICE_EMMC,
+	BOOT_DEVICE_SDHC2_EMMC,
+	BOOT_DEVICE_FLEXSPI_NOR,
+	BOOT_DEVICE_FLEXSPI_NAND,
+	BOOT_DEVICE_NONE
+};
+
+enum boot_device get_boot_dev(void);
+
+/* DDR Related functions */
+#if DDR_INIT
+#ifdef NXP_WARM_BOOT
+long long init_ddr(uint32_t wrm_bt_flg);
+#else
+long long init_ddr(void);
+#endif
+#endif
+
+/* Board specific weak functions */
+bool board_enable_povdd(void);
+bool board_disable_povdd(void);
+
+void mmap_add_ddr_region_dynamically(void);
+#endif /* IMAGE_BL2 */
+
+typedef struct {
+	uint64_t addr;
+	uint64_t size;
+} region_info_t;
+
+typedef struct {
+	uint64_t num_dram_regions;
+	uint64_t total_dram_size;
+	region_info_t region[NUM_DRAM_REGIONS];
+} dram_regions_info_t;
+
+dram_regions_info_t *get_dram_regions_info(void);
+
+void ls_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
+);
+
+
+/* Structure to define SoC personality */
+struct soc_type {
+	char name[10];
+	uint32_t personality;
+	uint32_t num_clusters;
+	uint32_t cores_per_cluster;
+};
+
+#define SOC_ENTRY(n, v, ncl, nc) {	\
+		.name = #n,		\
+		.personality = SVR_##v,	\
+		.num_clusters = (ncl),	\
+		.cores_per_cluster = (nc)}
+
+#endif /* PLAT_COMMON_H */

plat/nxp/common/setup/include/plat_macros.S

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+	/* ---------------------------------------------
+	 * The below required platform porting macro
+	 * prints out relevant GIC and CCI registers
+	 * whenever an unhandled exception is taken in
+	 * BL31.
+	 * Clobbers: x0 - x10, x16, x17, sp
+	 * ---------------------------------------------
+	 */
+	.macro plat_crash_print_regs
+	.endm
+
+#endif /* PLAT_MACROS_S */

plat/nxp/common/setup/ls_bl2_el3_setup.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/desc_image_load.h>
+#include <dcfg.h>
+#ifdef POLICY_FUSE_PROVISION
+#include <fuse_io.h>
+#endif
+#include <mmu_def.h>
+#include <plat_common.h>
+#ifdef NXP_NV_SW_MAINT_LAST_EXEC_DATA
+#include <plat_nv_storage.h>
+#endif
+
+#pragma weak bl2_el3_early_platform_setup
+#pragma weak bl2_el3_plat_arch_setup
+#pragma weak bl2_el3_plat_prepare_exit
+
+static dram_regions_info_t dram_regions_info  = {0};
+
+/*******************************************************************************
+ * Return the pointer to the 'dram_regions_info structure of the DRAM.
+ * This structure is populated after init_ddr().
+ ******************************************************************************/
+dram_regions_info_t *get_dram_regions_info(void)
+{
+	return &dram_regions_info;
+}
+
+#ifdef DDR_INIT
+static void populate_dram_regions_info(void)
+{
+	long long dram_remain_size = dram_regions_info.total_dram_size;
+	uint8_t reg_id = 0U;
+
+	dram_regions_info.region[reg_id].addr = NXP_DRAM0_ADDR;
+	dram_regions_info.region[reg_id].size =
+			dram_remain_size > NXP_DRAM0_MAX_SIZE ?
+				NXP_DRAM0_MAX_SIZE : dram_remain_size;
+
+	if (dram_regions_info.region[reg_id].size != NXP_DRAM0_SIZE) {
+		ERROR("Incorrect DRAM0 size is defined in platform_def.h\n");
+	}
+
+	dram_remain_size -= dram_regions_info.region[reg_id].size;
+	dram_regions_info.region[reg_id].size -= (NXP_SECURE_DRAM_SIZE
+						+ NXP_SP_SHRD_DRAM_SIZE);
+
+	assert(dram_regions_info.region[reg_id].size > 0);
+
+	/* Reducing total dram size by 66MB */
+	dram_regions_info.total_dram_size -= (NXP_SECURE_DRAM_SIZE
+						+ NXP_SP_SHRD_DRAM_SIZE);
+
+#if defined(NXP_DRAM1_ADDR) && defined(NXP_DRAM1_MAX_SIZE)
+	if (dram_remain_size > 0) {
+		reg_id++;
+		dram_regions_info.region[reg_id].addr = NXP_DRAM1_ADDR;
+		dram_regions_info.region[reg_id].size =
+				dram_remain_size > NXP_DRAM1_MAX_SIZE ?
+					NXP_DRAM1_MAX_SIZE : dram_remain_size;
+		dram_remain_size -= dram_regions_info.region[reg_id].size;
+	}
+#endif
+#if defined(NXP_DRAM2_ADDR) && defined(NXP_DRAM2_MAX_SIZE)
+	if (dram_remain_size > 0) {
+		reg_id++;
+		dram_regions_info.region[reg_id].addr = NXP_DRAM1_ADDR;
+		dram_regions_info.region[reg_id].size =
+				dram_remain_size > NXP_DRAM1_MAX_SIZE ?
+					NXP_DRAM1_MAX_SIZE : dram_remain_size;
+		dram_remain_size -= dram_regions_info.region[reg_id].size;
+	}
+#endif
+	reg_id++;
+	dram_regions_info.num_dram_regions = reg_id;
+}
+#endif
+
+#ifdef IMAGE_BL32
+/*******************************************************************************
+ * Gets SPSR for BL32 entry
+ ******************************************************************************/
+static uint32_t ls_get_spsr_for_bl32_entry(void)
+{
+	/*
+	 * The Secure Payload Dispatcher service is responsible for
+	 * setting the SPSR prior to entry into the BL32 image.
+	 */
+	return 0U;
+}
+#endif
+
+/*******************************************************************************
+ * Gets SPSR for BL33 entry
+ ******************************************************************************/
+#ifndef AARCH32
+static uint32_t ls_get_spsr_for_bl33_entry(void)
+{
+	unsigned int mode;
+	uint32_t spsr;
+
+	/* Figure out what mode we enter the non-secure world in */
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
+
+	/*
+	 * TODO: Consider the possibility of specifying the SPSR in
+	 * the FIP ToC and allowing the platform to have a say as
+	 * well.
+	 */
+	spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+	return spsr;
+}
+#else
+/*******************************************************************************
+ * Gets SPSR for BL33 entry
+ ******************************************************************************/
+static uint32_t ls_get_spsr_for_bl33_entry(void)
+{
+	unsigned int hyp_status, mode, spsr;
+
+	hyp_status = GET_VIRT_EXT(read_id_pfr1());
+
+	mode = (hyp_status) ? MODE32_hyp : MODE32_svc;
+
+	/*
+	 * TODO: Consider the possibility of specifying the SPSR in
+	 * the FIP ToC and allowing the platform to have a say as
+	 * well.
+	 */
+	spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1,
+			SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
+	return spsr;
+}
+#endif /* AARCH32 */
+
+void bl2_el3_early_platform_setup(u_register_t arg0 __unused,
+				  u_register_t arg1 __unused,
+				  u_register_t arg2 __unused,
+				  u_register_t arg3 __unused)
+{
+	/*
+	 * SoC specific early init
+	 * Any errata handling or SoC specific early initialization can
+	 * be done here
+	 * Set Counter Base Frequency in CNTFID0 and in cntfrq_el0.
+	 * Initialize the interconnect.
+	 * Enable coherency for primary CPU cluster
+	 */
+	soc_early_init();
+
+	/* Initialise the IO layer and register platform IO devices */
+	plat_io_setup();
+
+	if (dram_regions_info.total_dram_size > 0) {
+		populate_dram_regions_info();
+	}
+
+#ifdef NXP_NV_SW_MAINT_LAST_EXEC_DATA
+	read_nv_app_data();
+#if DEBUG
+	const nv_app_data_t *nv_app_data = get_nv_data();
+
+	INFO("Value of warm_reset flag = 0x%x\n", nv_app_data->warm_rst_flag);
+	INFO("Value of WDT flag = 0x%x\n", nv_app_data->wdt_rst_flag);
+#endif
+#endif
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only initializes the mmu in a quick and dirty way.
+ ******************************************************************************/
+void ls_bl2_el3_plat_arch_setup(void)
+{
+	unsigned int flags = 0U;
+	/* Initialise the IO layer and register platform IO devices */
+	ls_setup_page_tables(
+#if SEPARATE_RW_AND_NOLOAD
+			      BL2_START,
+			      BL2_LIMIT - BL2_START,
+#else
+			      BL2_BASE,
+			      (unsigned long)(&__BL2_END__) - BL2_BASE,
+#endif
+			      BL_CODE_BASE,
+			      BL_CODE_END,
+			      BL_RO_DATA_BASE,
+			      BL_RO_DATA_END
+#if USE_COHERENT_MEM
+			      , BL_COHERENT_RAM_BASE,
+			      BL_COHERENT_RAM_END
+#endif
+			      );
+
+	if ((dram_regions_info.region[0].addr == 0)
+		&& (dram_regions_info.total_dram_size == 0)) {
+		flags = XLAT_TABLE_NC;
+	}
+
+#ifdef AARCH32
+	enable_mmu_secure(0);
+#else
+	enable_mmu_el3(flags);
+#endif
+}
+
+void bl2_el3_plat_arch_setup(void)
+{
+	ls_bl2_el3_plat_arch_setup();
+}
+
+void bl2_platform_setup(void)
+{
+	/*
+	 * Perform platform setup before loading the image.
+	 */
+}
+
+/* Handling image information by platform. */
+int ls_bl2_handle_post_image_load(unsigned int image_id)
+{
+	int err = 0;
+	bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
+
+	assert(bl_mem_params);
+
+	switch (image_id) {
+	case BL31_IMAGE_ID:
+		bl_mem_params->ep_info.args.arg3 =
+					(u_register_t) &dram_regions_info;
+
+		/* Pass the value of PORSR1 register in Argument 4 */
+		bl_mem_params->ep_info.args.arg4 =
+					(u_register_t)read_reg_porsr1();
+		flush_dcache_range((uintptr_t)&dram_regions_info,
+				sizeof(dram_regions_info));
+		break;
+#if defined(AARCH64) && defined(IMAGE_BL32)
+	case BL32_IMAGE_ID:
+		bl_mem_params->ep_info.spsr = ls_get_spsr_for_bl32_entry();
+		break;
+#endif
+	case BL33_IMAGE_ID:
+		/* BL33 expects to receive the primary CPU MPID (through r0) */
+		bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
+		bl_mem_params->ep_info.spsr = ls_get_spsr_for_bl33_entry();
+		break;
+	}
+
+	return err;
+}
+
+/*******************************************************************************
+ * This function can be used by the platforms to update/use image
+ * information for given `image_id`.
+ ******************************************************************************/
+int bl2_plat_handle_post_image_load(unsigned int image_id)
+{
+	return ls_bl2_handle_post_image_load(image_id);
+}
+
+void bl2_el3_plat_prepare_exit(void)
+{
+	return soc_bl2_prepare_exit();
+}
+
+/* Called to do the dynamic initialization required
+ * before loading the next image.
+ */
+void bl2_plat_preload_setup(void)
+{
+
+	soc_preload_setup();
+
+	if (dram_regions_info.total_dram_size < NXP_DRAM0_SIZE) {
+		NOTICE("ERROR: DRAM0 Size is not correctly configured.");
+		assert(false);
+	}
+
+	if ((dram_regions_info.region[0].addr == 0)
+		&& (dram_regions_info.total_dram_size > 0)) {
+		populate_dram_regions_info();
+
+		mmap_add_ddr_region_dynamically();
+	}
+
+	/* setup the memory region access permissions */
+	soc_mem_access();
+
+#ifdef POLICY_FUSE_PROVISION
+	fip_fuse_provisioning((uintptr_t)FUSE_BUF, FUSE_SZ);
+#endif
+}

plat/nxp/common/setup/ls_bl31_setup.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#ifdef LS_EL3_INTERRUPT_HANDLER
+#include <ls_interrupt_mgmt.h>
+#endif
+#include <mmu_def.h>
+#include <plat_common.h>
+
+/*
+ * Placeholder variables for copying the arguments that have been passed to
+ * BL31 from BL2.
+ */
+#ifdef TEST_BL31
+#define  SPSR_FOR_EL2H   0x3C9
+#define  SPSR_FOR_EL1H   0x3C5
+#else
+static entry_point_info_t bl31_image_ep_info;
+#endif
+
+static entry_point_info_t bl32_image_ep_info;
+static entry_point_info_t bl33_image_ep_info;
+
+static dram_regions_info_t dram_regions_info = {0};
+static uint64_t rcw_porsr1;
+
+/* Return the pointer to the 'dram_regions_info structure of the DRAM.
+ * This structure is populated after init_ddr().
+ */
+dram_regions_info_t *get_dram_regions_info(void)
+{
+	return &dram_regions_info;
+}
+
+/* Return the RCW.PORSR1 value which was passed in from BL2
+ */
+uint64_t bl31_get_porsr1(void)
+{
+	return rcw_porsr1;
+}
+
+/*
+ * Return pointer to the 'entry_point_info' structure of the next image for the
+ * security state specified:
+ * - BL33 corresponds to the non-secure image type; while
+ * - BL32 corresponds to the secure image type.
+ * - A NULL pointer is returned, if the image does not exist.
+ */
+entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
+{
+	entry_point_info_t *next_image_info;
+
+	assert(sec_state_is_valid(type));
+	next_image_info = (type == NON_SECURE)
+			? &bl33_image_ep_info : &bl32_image_ep_info;
+
+#ifdef TEST_BL31
+	next_image_info->pc     = _get_test_entry();
+	next_image_info->spsr   = SPSR_FOR_EL2H;
+	next_image_info->h.attr = NON_SECURE;
+#endif
+
+	if (next_image_info->pc != 0U) {
+		return next_image_info;
+	} else {
+		return NULL;
+	}
+}
+
+/*
+ * Perform any BL31 early platform setup common to NXP platforms.
+ * - Here is an opportunity to copy parameters passed by the calling EL (S-EL1
+ * in BL2 & S-EL3 in BL1) before they are lost (potentially).
+ * - This needs to be done before the MMU is initialized so that the
+ *   memory layout can be used while creating page tables.
+ * - BL2 has flushed this information to memory, in order to fetch latest data.
+ */
+
+void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+				u_register_t arg2, u_register_t arg3)
+{
+#ifndef TEST_BL31
+	int i = 0;
+	void *from_bl2 = (void *)arg0;
+#endif
+	soc_early_platform_setup2();
+
+#ifdef TEST_BL31
+	dram_regions_info.num_dram_regions  = 2;
+	dram_regions_info.total_dram_size   = 0x100000000;
+	dram_regions_info.region[0].addr    = 0x80000000;
+	dram_regions_info.region[0].size    = 0x80000000;
+	dram_regions_info.region[1].addr    = 0x880000000;
+	dram_regions_info.region[1].size    = 0x80000000;
+
+	bl33_image_ep_info.pc = _get_test_entry();
+#else
+	/*
+	 * Check params passed from BL2 should not be NULL,
+	 */
+	bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
+
+	assert(params_from_bl2 != NULL);
+	assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
+	assert(params_from_bl2->h.version >= VERSION_2);
+
+	bl_params_node_t *bl_params = params_from_bl2->head;
+
+	/*
+	 * Copy BL33 and BL32 (if present), entry point information.
+	 * They are stored in Secure RAM, in BL2's address space.
+	 */
+	while (bl_params != NULL) {
+		if (bl_params->image_id == BL31_IMAGE_ID) {
+			bl31_image_ep_info = *bl_params->ep_info;
+			dram_regions_info_t *loc_dram_regions_info =
+			(dram_regions_info_t *) bl31_image_ep_info.args.arg3;
+
+			dram_regions_info.num_dram_regions =
+					loc_dram_regions_info->num_dram_regions;
+			dram_regions_info.total_dram_size =
+					loc_dram_regions_info->total_dram_size;
+			VERBOSE("Number of DRAM Regions = %llx\n",
+					dram_regions_info.num_dram_regions);
+
+			for (i = 0; i < dram_regions_info.num_dram_regions;
+									i++) {
+				dram_regions_info.region[i].addr =
+					loc_dram_regions_info->region[i].addr;
+				dram_regions_info.region[i].size =
+					loc_dram_regions_info->region[i].size;
+				VERBOSE("DRAM%d Size = %llx\n", i,
+					dram_regions_info.region[i].size);
+			}
+			rcw_porsr1 = bl31_image_ep_info.args.arg4;
+		}
+
+		if (bl_params->image_id == BL32_IMAGE_ID) {
+			bl32_image_ep_info = *bl_params->ep_info;
+		}
+
+		if (bl_params->image_id == BL33_IMAGE_ID) {
+			bl33_image_ep_info = *bl_params->ep_info;
+		}
+
+		bl_params = bl_params->next_params_info;
+	}
+#endif /* TEST_BL31 */
+
+	if (bl33_image_ep_info.pc == 0) {
+		panic();
+	}
+
+	/*
+	 * perform basic initialization on the soc
+	 */
+	soc_init();
+}
+
+/*******************************************************************************
+ * Perform any BL31 platform setup common to ARM standard platforms
+ ******************************************************************************/
+void bl31_platform_setup(void)
+{
+	NOTICE("Welcome to %s BL31 Phase\n", BOARD);
+	soc_platform_setup();
+
+	/* Console logs gone missing as part going to
+	 * EL1 for initilizing Bl32 if present.
+	 * console flush is necessary to avoid it.
+	 */
+	(void)console_flush();
+}
+
+void bl31_plat_runtime_setup(void)
+{
+#ifdef LS_EL3_INTERRUPT_HANDLER
+	ls_el3_interrupt_config();
+#endif
+	soc_runtime_setup();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup shared between
+ * ARM standard platforms. This only does basic initialization. Later
+ * architectural setup (bl31_arch_setup()) does not do anything platform
+ * specific.
+ ******************************************************************************/
+void bl31_plat_arch_setup(void)
+{
+
+	ls_setup_page_tables(BL31_BASE,
+			      BL31_END - BL31_BASE,
+			      BL_CODE_BASE,
+			      BL_CODE_END,
+			      BL_RO_DATA_BASE,
+			      BL_RO_DATA_END
+#if USE_COHERENT_MEM
+			      , BL_COHERENT_RAM_BASE,
+			      BL_COHERENT_RAM_END
+#endif
+			      );
+	enable_mmu_el3(0);
+}

plat/nxp/common/setup/ls_common.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <mmu_def.h>
+#include <plat/common/platform.h>
+
+#include "plat_common.h"
+#include "platform_def.h"
+
+const mmap_region_t *plat_ls_get_mmap(void);
+
+/*
+ * Table of memory regions for various BL stages to map using the MMU.
+ * This doesn't include Trusted SRAM as arm_setup_page_tables() already
+ * takes care of mapping it.
+ *
+ * The flash needs to be mapped as writable in order to erase the FIP's Table of
+ * Contents in case of unrecoverable error (see plat_error_handler()).
+ */
+#ifdef IMAGE_BL2
+const mmap_region_t plat_ls_mmap[] = {
+	LS_MAP_CCSR,
+	{0}
+};
+#endif
+
+#ifdef IMAGE_BL31
+const mmap_region_t plat_ls_mmap[] = {
+	LS_MAP_CCSR,
+#ifdef NXP_DCSR_ADDR
+	LS_MAP_DCSR,
+#endif
+	LS_MAP_OCRAM,
+	{0}
+};
+#endif
+#ifdef IMAGE_BL32
+const mmap_region_t plat_ls_mmap[] = {
+	LS_MAP_CCSR,
+	LS_MAP_BL32_SEC_MEM,
+	{0}
+};
+#endif
+
+/* Weak definitions may be overridden in specific NXP SoC */
+#pragma weak plat_get_ns_image_entrypoint
+#pragma weak plat_ls_get_mmap
+
+#if defined(IMAGE_BL31) || !defined(CONFIG_DDR_FIP_IMAGE)
+static void mmap_add_ddr_regions_statically(void)
+{
+	int i = 0;
+	dram_regions_info_t *info_dram_regions = get_dram_regions_info();
+	/* MMU map for Non-Secure DRAM Regions */
+	VERBOSE("DRAM Region %d: %p - %p\n", i,
+			(void *) info_dram_regions->region[i].addr,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				- 1));
+	mmap_add_region(info_dram_regions->region[i].addr,
+			info_dram_regions->region[i].addr,
+			info_dram_regions->region[i].size,
+			MT_MEMORY | MT_RW | MT_NS);
+
+	/* MMU map for Secure DDR Region on DRAM-0 */
+	if (info_dram_regions->region[i].size >
+		(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE)) {
+		VERBOSE("Secure DRAM Region %d: %p - %p\n", i,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				+ NXP_SECURE_DRAM_SIZE
+				+ NXP_SP_SHRD_DRAM_SIZE
+				- 1));
+		mmap_add_region((info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+				(info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+				(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE),
+				MT_MEMORY | MT_RW | MT_SECURE);
+	}
+
+#ifdef IMAGE_BL31
+	for (i = 1; i < info_dram_regions->num_dram_regions; i++) {
+		if (info_dram_regions->region[i].size == 0)
+			break;
+		VERBOSE("DRAM Region %d: %p - %p\n", i,
+			(void *) info_dram_regions->region[i].addr,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				- 1));
+		mmap_add_region(info_dram_regions->region[i].addr,
+				info_dram_regions->region[i].addr,
+				info_dram_regions->region[i].size,
+				MT_MEMORY | MT_RW | MT_NS);
+	}
+#endif
+}
+#endif
+
+#if defined(PLAT_XLAT_TABLES_DYNAMIC)
+void mmap_add_ddr_region_dynamically(void)
+{
+	int i = 0;
+	dram_regions_info_t *info_dram_regions = get_dram_regions_info();
+	/* MMU map for Non-Secure DRAM Regions */
+	VERBOSE("DRAM Region %d: %p - %p\n", i,
+			(void *) info_dram_regions->region[i].addr,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				- 1));
+	mmap_add_dynamic_region(info_dram_regions->region[i].addr,
+			info_dram_regions->region[i].addr,
+			info_dram_regions->region[i].size,
+			MT_MEMORY | MT_RW | MT_NS);
+
+	/* MMU map for Secure DDR Region on DRAM-0 */
+	if (info_dram_regions->region[i].size >
+		(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE)) {
+		VERBOSE("Secure DRAM Region %d: %p - %p\n", i,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				+ NXP_SECURE_DRAM_SIZE
+				+ NXP_SP_SHRD_DRAM_SIZE
+				- 1));
+		mmap_add_dynamic_region((info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+				(info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size),
+				(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE),
+				MT_MEMORY | MT_RW | MT_SECURE);
+	}
+
+#ifdef IMAGE_BL31
+	for (i = 1; i < info_dram_regions->num_dram_regions; i++) {
+		if (info_dram_regions->region[i].size == 0) {
+			break;
+		}
+		VERBOSE("DRAM Region %d: %p - %p\n", i,
+			(void *) info_dram_regions->region[i].addr,
+			(void *) (info_dram_regions->region[i].addr
+				+ info_dram_regions->region[i].size
+				- 1));
+		mmap_add_dynamic_region(info_dram_regions->region[i].addr,
+				info_dram_regions->region[i].addr,
+				info_dram_regions->region[i].size,
+				MT_MEMORY | MT_RW | MT_NS);
+	}
+#endif
+}
+#endif
+
+/*
+ * Set up the page tables for the generic and platform-specific memory regions.
+ * The extents of the generic memory regions are specified by the function
+ * arguments and consist of:
+ * - Trusted SRAM seen by the BL image;
+ * - Code section;
+ * - Read-only data section;
+ * - Coherent memory region, if applicable.
+ */
+void ls_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
+			   )
+{
+	/*
+	 * Map the Trusted SRAM with appropriate memory attributes.
+	 * Subsequent mappings will adjust the attributes for specific regions.
+	 */
+	VERBOSE("Memory seen by this BL image: %p - %p\n",
+		(void *) total_base, (void *) (total_base + total_size));
+	mmap_add_region(total_base, total_base,
+			total_size,
+			MT_MEMORY | MT_RW | MT_SECURE);
+
+	/* Re-map the code section */
+	VERBOSE("Code region: %p - %p\n",
+		(void *) code_start, (void *) code_limit);
+	mmap_add_region(code_start, code_start,
+			code_limit - code_start,
+			MT_CODE | MT_SECURE);
+
+	/* Re-map the read-only data section */
+	VERBOSE("Read-only data region: %p - %p\n",
+		(void *) rodata_start, (void *) rodata_limit);
+	mmap_add_region(rodata_start, rodata_start,
+			rodata_limit - rodata_start,
+			MT_RO_DATA | MT_SECURE);
+
+#if USE_COHERENT_MEM
+	/* Re-map the coherent memory region */
+	VERBOSE("Coherent region: %p - %p\n",
+		(void *) coh_start, (void *) coh_limit);
+	mmap_add_region(coh_start, coh_start,
+			coh_limit - coh_start,
+			MT_DEVICE | MT_RW | MT_SECURE);
+#endif
+
+	/* Now (re-)map the platform-specific memory regions */
+	mmap_add(plat_ls_get_mmap());
+
+
+#if defined(IMAGE_BL31) || !defined(CONFIG_DDR_FIP_IMAGE)
+	mmap_add_ddr_regions_statically();
+#endif
+
+	/* Create the page tables to reflect the above mappings */
+	init_xlat_tables();
+}
+
+/*******************************************************************************
+ * Returns NXP platform specific memory map regions.
+ ******************************************************************************/
+const mmap_region_t *plat_ls_get_mmap(void)
+{
+	return plat_ls_mmap;
+}

plat/nxp/common/setup/ls_err.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+
+#if TRUSTED_BOARD_BOOT
+#include <dcfg.h>
+#include <snvs.h>
+#endif
+
+#include "plat_common.h"
+
+/*
+ * Error handler
+ */
+void plat_error_handler(int err)
+{
+#if TRUSTED_BOARD_BOOT
+	uint32_t mode;
+	bool sb = check_boot_mode_secure(&mode);
+#endif
+
+	switch (err) {
+	case -ENOENT:
+	case -EAUTH:
+		printf("Authentication failure\n");
+#if TRUSTED_BOARD_BOOT
+		/* For SB production mode i.e ITS = 1 */
+		if (sb == true) {
+			if (mode == 1U) {
+				transition_snvs_soft_fail();
+			} else {
+				transition_snvs_non_secure();
+			}
+		}
+#endif
+		break;
+	default:
+		/* Unexpected error */
+		break;
+	}
+
+	/* Loop until the watchdog resets the system */
+	for (;;)
+		wfi();
+}

plat/nxp/common/setup/ls_image_load.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <common/desc_image_load.h>
+
+/*******************************************************************************
+ * This function flushes the data structures so that they are visible
+ * in memory for the next BL image.
+ ******************************************************************************/
+void plat_flush_next_bl_params(void)
+{
+	flush_bl_params_desc();
+}
+
+/*******************************************************************************
+ * This function returns the list of loadable images.
+ ******************************************************************************/
+bl_load_info_t *plat_get_bl_image_load_info(void)
+{
+	return get_bl_load_info_from_mem_params_desc();
+}
+
+/*******************************************************************************
+ * This function returns the list of executable images.
+ ******************************************************************************/
+bl_params_t *plat_get_next_bl_params(void)
+{
+	return get_next_bl_params_from_mem_params_desc();
+}

plat/nxp/common/setup/ls_interrupt_mgmt.c

+/*
+ * Copyright 2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <bl31/interrupt_mgmt.h>
+#include <common/debug.h>
+#include <ls_interrupt_mgmt.h>
+#include <plat/common/platform.h>
+
+static interrupt_type_handler_t type_el3_interrupt_table[MAX_INTR_EL3];
+
+int request_intr_type_el3(uint32_t id, interrupt_type_handler_t handler)
+{
+	/* Validate 'handler' and 'id' parameters */
+	if (!handler || id >= MAX_INTR_EL3) {
+		return -EINVAL;
+	}
+
+	/* Check if a handler has already been registered */
+	if (type_el3_interrupt_table[id] != NULL) {
+		return -EALREADY;
+	}
+
+	type_el3_interrupt_table[id] = handler;
+
+	return 0;
+}
+
+static uint64_t ls_el3_interrupt_handler(uint32_t id, uint32_t flags,
+					  void *handle, void *cookie)
+{
+	uint32_t intr_id;
+	interrupt_type_handler_t handler;
+
+	intr_id = plat_ic_get_pending_interrupt_id();
+
+	INFO("Interrupt recvd is %d\n", intr_id);
+
+	handler = type_el3_interrupt_table[intr_id];
+	if (handler != NULL) {
+		handler(intr_id, flags, handle, cookie);
+	}
+
+	/*
+	 * Mark this interrupt as complete to avoid a interrupt storm.
+	 */
+	plat_ic_end_of_interrupt(intr_id);
+
+	return 0U;
+}
+
+void ls_el3_interrupt_config(void)
+{
+	uint64_t flags = 0U;
+	uint64_t rc;
+
+	set_interrupt_rm_flag(flags, NON_SECURE);
+	rc = register_interrupt_type_handler(INTR_TYPE_EL3,
+					     ls_el3_interrupt_handler, flags);
+	if (rc != 0U) {
+		panic();
+	}
+}

plat/nxp/common/setup/ls_io_storage.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+#include <endian.h>
+#include <string.h>
+
+#include <common/debug.h>
+#include <common/tbbr/tbbr_img_def.h>
+#include <drivers/io/io_block.h>
+#include <drivers/io/io_driver.h>
+#include <drivers/io/io_fip.h>
+#include <drivers/io/io_memmap.h>
+#include <drivers/io/io_storage.h>
+#ifdef FLEXSPI_NOR_BOOT
+#include <flexspi_nor.h>
+#endif
+#if defined(QSPI_BOOT)
+#include <qspi.h>
+#endif
+#if defined(SD_BOOT) || defined(EMMC_BOOT)
+#include <sd_mmc.h>
+#endif
+#include <tools_share/firmware_image_package.h>
+
+#ifdef CONFIG_DDR_FIP_IMAGE
+#include <ddr_io_storage.h>
+#endif
+#ifdef POLICY_FUSE_PROVISION
+#include <fuse_io.h>
+#endif
+#include "plat_common.h"
+#include "platform_def.h"
+
+uint32_t fip_device;
+/* IO devices */
+uintptr_t backend_dev_handle;
+
+static const io_dev_connector_t *fip_dev_con;
+static uintptr_t fip_dev_handle;
+static const io_dev_connector_t *backend_dev_con;
+
+static io_block_spec_t fip_block_spec = {
+	.offset = PLAT_FIP_OFFSET,
+	.length = PLAT_FIP_MAX_SIZE
+};
+
+static const io_uuid_spec_t bl2_uuid_spec = {
+	.uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2,
+};
+
+static const io_uuid_spec_t fuse_bl2_uuid_spec = {
+	.uuid = UUID_SCP_FIRMWARE_SCP_BL2,
+};
+
+static const io_uuid_spec_t bl31_uuid_spec = {
+	.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
+};
+
+static const io_uuid_spec_t bl32_uuid_spec = {
+	.uuid = UUID_SECURE_PAYLOAD_BL32,
+};
+
+static const io_uuid_spec_t bl33_uuid_spec = {
+	.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
+};
+
+static const io_uuid_spec_t tb_fw_config_uuid_spec = {
+	.uuid = UUID_TB_FW_CONFIG,
+};
+
+static const io_uuid_spec_t hw_config_uuid_spec = {
+	.uuid = UUID_HW_CONFIG,
+};
+
+#if TRUSTED_BOARD_BOOT
+static const io_uuid_spec_t tb_fw_cert_uuid_spec = {
+	.uuid = UUID_TRUSTED_BOOT_FW_CERT,
+};
+
+static const io_uuid_spec_t trusted_key_cert_uuid_spec = {
+	.uuid = UUID_TRUSTED_KEY_CERT,
+};
+
+static const io_uuid_spec_t fuse_key_cert_uuid_spec = {
+	.uuid = UUID_SCP_FW_KEY_CERT,
+};
+
+static const io_uuid_spec_t soc_fw_key_cert_uuid_spec = {
+	.uuid = UUID_SOC_FW_KEY_CERT,
+};
+
+static const io_uuid_spec_t tos_fw_key_cert_uuid_spec = {
+	.uuid = UUID_TRUSTED_OS_FW_KEY_CERT,
+};
+
+static const io_uuid_spec_t nt_fw_key_cert_uuid_spec = {
+	.uuid = UUID_NON_TRUSTED_FW_KEY_CERT,
+};
+
+static const io_uuid_spec_t fuse_cert_uuid_spec = {
+	.uuid = UUID_SCP_FW_CONTENT_CERT,
+};
+
+static const io_uuid_spec_t soc_fw_cert_uuid_spec = {
+	.uuid = UUID_SOC_FW_CONTENT_CERT,
+};
+
+static const io_uuid_spec_t tos_fw_cert_uuid_spec = {
+	.uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT,
+};
+
+static const io_uuid_spec_t nt_fw_cert_uuid_spec = {
+	.uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT,
+};
+#endif /* TRUSTED_BOARD_BOOT */
+
+static int open_fip(const uintptr_t spec);
+
+struct plat_io_policy {
+	uintptr_t *dev_handle;
+	uintptr_t image_spec;
+	int (*check)(const uintptr_t spec);
+};
+
+/* By default, ARM platforms load images from the FIP */
+static const struct plat_io_policy policies[] = {
+	[FIP_IMAGE_ID] = {
+		&backend_dev_handle,
+		(uintptr_t)&fip_block_spec,
+		open_backend
+	},
+	[BL2_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&bl2_uuid_spec,
+		open_fip
+	},
+	[SCP_BL2_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&fuse_bl2_uuid_spec,
+		open_fip
+	},
+	[BL31_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&bl31_uuid_spec,
+		open_fip
+	},
+	[BL32_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&bl32_uuid_spec,
+		open_fip
+	},
+	[BL33_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&bl33_uuid_spec,
+		open_fip
+	},
+	[TB_FW_CONFIG_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&tb_fw_config_uuid_spec,
+		open_fip
+	},
+	[HW_CONFIG_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&hw_config_uuid_spec,
+		open_fip
+	},
+#if TRUSTED_BOARD_BOOT
+	[TRUSTED_BOOT_FW_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&tb_fw_cert_uuid_spec,
+		open_fip
+	},
+	[TRUSTED_KEY_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&trusted_key_cert_uuid_spec,
+		open_fip
+	},
+	[SCP_FW_KEY_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&fuse_key_cert_uuid_spec,
+		open_fip
+	},
+	[SOC_FW_KEY_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&soc_fw_key_cert_uuid_spec,
+		open_fip
+	},
+	[TRUSTED_OS_FW_KEY_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&tos_fw_key_cert_uuid_spec,
+		open_fip
+	},
+	[NON_TRUSTED_FW_KEY_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&nt_fw_key_cert_uuid_spec,
+		open_fip
+	},
+	[SCP_FW_CONTENT_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&fuse_cert_uuid_spec,
+		open_fip
+	},
+	[SOC_FW_CONTENT_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&soc_fw_cert_uuid_spec,
+		open_fip
+	},
+	[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&tos_fw_cert_uuid_spec,
+		open_fip
+	},
+	[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&nt_fw_cert_uuid_spec,
+		open_fip
+	},
+#endif /* TRUSTED_BOARD_BOOT */
+};
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak plat_io_setup
+
+/*
+ * Return an IO device handle and specification which can be used to access
+ */
+static int open_fip(const uintptr_t spec)
+{
+	int result;
+	uintptr_t local_image_handle;
+
+	/* See if a Firmware Image Package is available */
+	result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID);
+	if (result == 0) {
+		result = io_open(fip_dev_handle, spec, &local_image_handle);
+		if (result == 0) {
+			VERBOSE("Using FIP\n");
+			io_close(local_image_handle);
+		}
+	}
+	return result;
+}
+
+
+int open_backend(const uintptr_t spec)
+{
+	int result;
+	uintptr_t local_image_handle;
+
+	result = io_dev_init(backend_dev_handle, (uintptr_t)NULL);
+	if (result == 0) {
+		result = io_open(backend_dev_handle, spec, &local_image_handle);
+		if (result == 0) {
+			io_close(local_image_handle);
+		}
+	}
+	return result;
+}
+
+#if defined(SD_BOOT) || defined(EMMC_BOOT)
+static int plat_io_block_setup(size_t fip_offset, uintptr_t block_dev_spec)
+{
+	int io_result;
+
+	fip_block_spec.offset = fip_offset;
+
+	io_result = register_io_dev_block(&backend_dev_con);
+	assert(io_result == 0);
+
+	/* Open connections to devices and cache the handles */
+	io_result = io_dev_open(backend_dev_con, block_dev_spec,
+				&backend_dev_handle);
+	assert(io_result == 0);
+
+	return io_result;
+}
+#endif
+
+#if defined(FLEXSPI_NOR_BOOT) || defined(QSPI_BOOT)
+static int plat_io_memmap_setup(size_t fip_offset)
+{
+	int io_result;
+
+	fip_block_spec.offset = fip_offset;
+
+	io_result = register_io_dev_memmap(&backend_dev_con);
+	assert(io_result == 0);
+
+	/* Open connections to devices and cache the handles */
+	io_result = io_dev_open(backend_dev_con, (uintptr_t)NULL,
+				&backend_dev_handle);
+	assert(io_result == 0);
+
+	return io_result;
+}
+#endif
+
+static int ls_io_fip_setup(unsigned int boot_dev)
+{
+	int io_result;
+
+	io_result = register_io_dev_fip(&fip_dev_con);
+	assert(io_result == 0);
+
+	/* Open connections to devices and cache the handles */
+	io_result = io_dev_open(fip_dev_con, (uintptr_t)&fip_device,
+				&fip_dev_handle);
+	assert(io_result == 0);
+
+#ifdef CONFIG_DDR_FIP_IMAGE
+	/* Open connection to DDR FIP image if available */
+	io_result = ddr_fip_setup(fip_dev_con, boot_dev);
+
+	assert(io_result == 0);
+#endif
+
+#ifdef POLICY_FUSE_PROVISION
+	/* Open connection to FUSE FIP image if available */
+	io_result = fuse_fip_setup(fip_dev_con, boot_dev);
+
+	assert(io_result == 0);
+#endif
+
+	return io_result;
+}
+
+int ls_qspi_io_setup(void)
+{
+#ifdef QSPI_BOOT
+	qspi_io_setup(NXP_QSPI_FLASH_ADDR,
+			NXP_QSPI_FLASH_SIZE,
+			PLAT_FIP_OFFSET);
+	return plat_io_memmap_setup(NXP_QSPI_FLASH_ADDR + PLAT_FIP_OFFSET);
+#else
+	ERROR("QSPI driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+#endif
+}
+
+int emmc_sdhc2_io_setup(void)
+{
+#if defined(EMMC_BOOT) && defined(NXP_ESDHC2_ADDR)
+	uintptr_t block_dev_spec;
+	int ret;
+
+	ret = sd_emmc_init(&block_dev_spec,
+			NXP_ESDHC2_ADDR,
+			NXP_SD_BLOCK_BUF_ADDR,
+			NXP_SD_BLOCK_BUF_SIZE,
+			false);
+	if (ret != 0) {
+		return ret;
+	}
+
+	return plat_io_block_setup(PLAT_FIP_OFFSET, block_dev_spec);
+#else
+	ERROR("EMMC driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+#endif
+}
+
+int emmc_io_setup(void)
+{
+/* On the platforms which only has one ESDHC controller,
+ * eMMC-boot will use the first ESDHC controller.
+ */
+#if defined(SD_BOOT) || defined(EMMC_BOOT)
+	uintptr_t block_dev_spec;
+	int ret;
+
+	ret = sd_emmc_init(&block_dev_spec,
+			NXP_ESDHC_ADDR,
+			NXP_SD_BLOCK_BUF_ADDR,
+			NXP_SD_BLOCK_BUF_SIZE,
+			true);
+	if (ret != 0) {
+		return ret;
+	}
+
+	return plat_io_block_setup(PLAT_FIP_OFFSET, block_dev_spec);
+#else
+	ERROR("SD driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+#endif
+}
+
+int ifc_nor_io_setup(void)
+{
+	ERROR("NOR driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+}
+
+int ifc_nand_io_setup(void)
+{
+	ERROR("NAND driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+}
+
+int ls_flexspi_nor_io_setup(void)
+{
+#ifdef FLEXSPI_NOR_BOOT
+	int ret = 0;
+
+	ret = flexspi_nor_io_setup(NXP_FLEXSPI_FLASH_ADDR,
+				   NXP_FLEXSPI_FLASH_SIZE,
+				   NXP_FLEXSPI_ADDR);
+
+	if (ret != 0) {
+		ERROR("FlexSPI NOR driver initialization error.\n");
+		/* Should never reach here */
+		assert(0);
+		panic();
+		return -1;
+	}
+
+	return plat_io_memmap_setup(NXP_FLEXSPI_FLASH_ADDR + PLAT_FIP_OFFSET);
+#else
+	ERROR("FlexSPI NOR driver not present. Check your BUILD\n");
+
+	/* Should never reach here */
+	assert(false);
+	return -1;
+#endif
+}
+
+static int (* const ls_io_setup_table[])(void) = {
+	[BOOT_DEVICE_IFC_NOR] = ifc_nor_io_setup,
+	[BOOT_DEVICE_IFC_NAND] = ifc_nand_io_setup,
+	[BOOT_DEVICE_QSPI] = ls_qspi_io_setup,
+	[BOOT_DEVICE_EMMC] = emmc_io_setup,
+	[BOOT_DEVICE_SDHC2_EMMC] = emmc_sdhc2_io_setup,
+	[BOOT_DEVICE_FLEXSPI_NOR] = ls_flexspi_nor_io_setup,
+	[BOOT_DEVICE_FLEXSPI_NAND] = ls_flexspi_nor_io_setup,
+};
+
+
+int plat_io_setup(void)
+{
+	int (*io_setup)(void);
+	unsigned int boot_dev = BOOT_DEVICE_NONE;
+	int ret;
+
+	boot_dev = get_boot_dev();
+	if (boot_dev == BOOT_DEVICE_NONE) {
+		ERROR("Boot Device detection failed, Check RCW_SRC\n");
+		return -EINVAL;
+	}
+
+	io_setup = ls_io_setup_table[boot_dev];
+	ret = io_setup();
+	if (ret != 0) {
+		return ret;
+	}
+
+	ret = ls_io_fip_setup(boot_dev);
+	if (ret != 0) {
+		return ret;
+	}
+
+	return 0;
+}
+
+
+/* Return an IO device handle and specification which can be used to access
+ * an image. Use this to enforce platform load policy
+ */
+int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle,
+			  uintptr_t *image_spec)
+{
+	int result = -1;
+	const struct plat_io_policy *policy;
+
+	if (image_id < ARRAY_SIZE(policies)) {
+
+		policy = &policies[image_id];
+		result = policy->check(policy->image_spec);
+		if (result == 0) {
+			*image_spec = policy->image_spec;
+			*dev_handle = *(policy->dev_handle);
+		}
+	}
+#ifdef CONFIG_DDR_FIP_IMAGE
+	else {
+		VERBOSE("Trying alternative IO\n");
+		result = plat_get_ddr_fip_image_source(image_id, dev_handle,
+						image_spec, open_backend);
+	}
+#endif
+#ifdef POLICY_FUSE_PROVISION
+	if (result != 0) {
+		VERBOSE("Trying FUSE IO\n");
+		result = plat_get_fuse_image_source(image_id, dev_handle,
+						image_spec, open_backend);
+	}
+#endif
+
+	return result;
+}

plat/nxp/common/setup/ls_stack_protector.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stdint.h>
+
+#include <arch_helpers.h>
+
+#include <plat/common/platform.h>
+
+#define RANDOM_CANARY_VALUE ((u_register_t) 3288484550995823360ULL)
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+	/*
+	 * TBD: Generate Random Number from NXP CAAM Block.
+	 */
+	return RANDOM_CANARY_VALUE ^ read_cntpct_el0();
+}