1 /* 2 * Copyright (c) 2020-2025, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <platform_def.h> 10 11 #include <plat/common/platform.h> 12 #include <common/bl_common.h> 13 #include <common/debug.h> 14 #include <drivers/arm/ccn.h> 15 #include <drivers/arm/css/sds.h> 16 #include <lib/utils_def.h> 17 #include <plat/arm/common/plat_arm.h> 18 #include <plat/common/platform.h> 19 #include <drivers/arm/sbsa.h> 20 21 #if SPM_MM 22 #include <services/spm_mm_partition.h> 23 #endif 24 25 /* 26 * Table of regions for different BL stages to map using the MMU. 27 * This doesn't include Trusted RAM as the 'mem_layout' argument passed to 28 * arm_configure_mmu_elx() will give the available subset of that. 29 */ 30 #if IMAGE_BL1 31 const mmap_region_t plat_arm_mmap[] = { 32 ARM_MAP_SHARED_RAM, 33 TC_MAP_NS_DRAM1, 34 TC_FLASH0_RO, 35 TC_MAP_DEVICE, 36 #if TRANSFER_LIST 37 TC_MAP_EL3_FW_HANDOFF, 38 #endif 39 {0} 40 }; 41 #endif 42 #if IMAGE_BL2 43 const mmap_region_t plat_arm_mmap[] = { 44 ARM_MAP_SHARED_RAM, 45 TC_FLASH0_RO, 46 ARM_V2M_MAP_MEM_PROTECT, 47 TC_MAP_DEVICE, 48 TC_MAP_NS_DRAM1, 49 #if defined(SPD_spmd) 50 TC_MAP_TZC_DRAM1, 51 #endif 52 #if ARM_BL31_IN_DRAM 53 ARM_MAP_BL31_SEC_DRAM, 54 #endif 55 #if SPM_MM 56 ARM_SP_IMAGE_MMAP, 57 #endif 58 #if TRUSTED_BOARD_BOOT && !RESET_TO_BL2 59 ARM_MAP_BL1_RW, 60 #endif 61 #ifdef SPD_opteed 62 ARM_MAP_OPTEE_CORE_MEM, 63 ARM_OPTEE_PAGEABLE_LOAD_MEM, 64 #endif 65 #if TRANSFER_LIST 66 TC_MAP_EL3_FW_HANDOFF, 67 #endif 68 {0} 69 }; 70 #endif 71 #if IMAGE_BL31 72 const mmap_region_t plat_arm_mmap[] = { 73 ARM_MAP_SHARED_RAM, 74 V2M_MAP_IOFPGA, 75 ARM_V2M_MAP_MEM_PROTECT, 76 TC_MAP_DEVICE, 77 PLAT_DTB_DRAM_NS, 78 #if SPM_MM 79 ARM_SPM_BUF_EL3_MMAP, 80 #endif 81 {0} 82 }; 83 84 #if SPM_MM && defined(IMAGE_BL31) 85 const mmap_region_t plat_arm_secure_partition_mmap[] = { 86 PLAT_ARM_SECURE_MAP_DEVICE, 87 ARM_SP_IMAGE_MMAP, 88 ARM_SP_IMAGE_NS_BUF_MMAP, 89 ARM_SP_CPER_BUF_MMAP, 90 ARM_SP_IMAGE_RW_MMAP, 91 ARM_SPM_BUF_EL0_MMAP, 92 {0} 93 }; 94 #endif /* SPM_MM && defined(IMAGE_BL31) */ 95 #endif 96 97 ARM_CASSERT_MMAP 98 99 #if SPM_MM && defined(IMAGE_BL31) 100 /* 101 * Boot information passed to a secure partition during initialisation. Linear 102 * indices in MP information will be filled at runtime. 103 */ 104 static spm_mm_mp_info_t sp_mp_info[] = { 105 [0] = {0x81000000, 0}, 106 [1] = {0x81000100, 0}, 107 [2] = {0x81000200, 0}, 108 [3] = {0x81000300, 0}, 109 [4] = {0x81010000, 0}, 110 [5] = {0x81010100, 0}, 111 [6] = {0x81010200, 0}, 112 [7] = {0x81010300, 0}, 113 }; 114 115 const spm_mm_boot_info_t plat_arm_secure_partition_boot_info = { 116 .h.type = PARAM_SP_IMAGE_BOOT_INFO, 117 .h.version = VERSION_1, 118 .h.size = sizeof(spm_mm_boot_info_t), 119 .h.attr = 0, 120 .sp_mem_base = ARM_SP_IMAGE_BASE, 121 .sp_mem_limit = ARM_SP_IMAGE_LIMIT, 122 .sp_image_base = ARM_SP_IMAGE_BASE, 123 .sp_stack_base = PLAT_SP_IMAGE_STACK_BASE, 124 .sp_heap_base = ARM_SP_IMAGE_HEAP_BASE, 125 .sp_ns_comm_buf_base = PLAT_SP_IMAGE_NS_BUF_BASE, 126 .sp_shared_buf_base = PLAT_SPM_BUF_BASE, 127 .sp_image_size = ARM_SP_IMAGE_SIZE, 128 .sp_pcpu_stack_size = PLAT_SP_IMAGE_STACK_PCPU_SIZE, 129 .sp_heap_size = ARM_SP_IMAGE_HEAP_SIZE, 130 .sp_ns_comm_buf_size = PLAT_SP_IMAGE_NS_BUF_SIZE, 131 .sp_shared_buf_size = PLAT_SPM_BUF_SIZE, 132 .num_sp_mem_regions = ARM_SP_IMAGE_NUM_MEM_REGIONS, 133 .num_cpus = PLATFORM_CORE_COUNT, 134 .mp_info = &sp_mp_info[0], 135 }; 136 137 const struct mmap_region *plat_get_secure_partition_mmap(void *cookie) 138 { 139 return plat_arm_secure_partition_mmap; 140 } 141 142 const struct spm_mm_boot_info *plat_get_secure_partition_boot_info( 143 void *cookie) 144 { 145 return &plat_arm_secure_partition_boot_info; 146 } 147 #endif /* SPM_MM && defined(IMAGE_BL31) */ 148 149 #if TRUSTED_BOARD_BOOT || MEASURED_BOOT 150 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size) 151 { 152 assert(heap_addr != NULL); 153 assert(heap_size != NULL); 154 155 return arm_get_mbedtls_heap(heap_addr, heap_size); 156 } 157 #endif 158 159 void plat_arm_secure_wdt_start(void) 160 { 161 sbsa_wdog_start(SBSA_SECURE_WDOG_CONTROL_BASE, SBSA_SECURE_WDOG_TIMEOUT); 162 } 163 164 void plat_arm_secure_wdt_stop(void) 165 { 166 sbsa_wdog_stop(SBSA_SECURE_WDOG_CONTROL_BASE); 167 } 168 169 void plat_arm_secure_wdt_refresh(void) 170 { 171 sbsa_wdog_refresh(SBSA_SECURE_WDOG_REFRESH_BASE); 172 } 173 174 static sds_region_desc_t tc_sds_regions[] = { 175 { .base = PLAT_ARM_SDS_MEM_BASE }, 176 { .base = PLAT_ARM_RSE_AP_SDS_MEM_BASE }, 177 }; 178 179 sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count) 180 { 181 *region_count = ARRAY_SIZE(tc_sds_regions); 182 183 return tc_sds_regions; 184 } 185