1 /* 2 * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <drivers/arm/css/sds.h> 10 #include <drivers/arm/sbsa.h> 11 #include <lib/utils_def.h> 12 #include <plat/arm/common/plat_arm.h> 13 #include <plat/common/platform.h> 14 15 #include <platform_def.h> 16 17 /* 18 * Table of regions for different BL stages to map using the MMU. 19 */ 20 #if IMAGE_BL1 21 const mmap_region_t plat_arm_mmap[] = { 22 NRD_CSS_SHARED_RAM_MMAP(0), 23 NRD_ROS_FLASH0_RO_MMAP, 24 NRD_CSS_PERIPH_MMAP(0), 25 NRD_ROS_PLATFORM_PERIPH_MMAP, 26 NRD_ROS_SYSTEM_PERIPH_MMAP, 27 {0} 28 }; 29 #endif /* IMAGE_BL3 */ 30 31 #if IMAGE_BL2 32 const mmap_region_t plat_arm_mmap[] = { 33 NRD_CSS_SHARED_RAM_MMAP(0), 34 NRD_ROS_FLASH0_RO_MMAP, 35 #ifdef PLAT_ARM_MEM_PROT_ADDR 36 NRD_ROS_V2M_MEM_PROTECT_MMAP, 37 #endif 38 NRD_CSS_PERIPH_MMAP(0), 39 NRD_ROS_PLATFORM_PERIPH_MMAP, 40 NRD_ROS_SYSTEM_PERIPH_MMAP, 41 NRD_CSS_NS_DRAM1_MMAP, 42 #if TRUSTED_BOARD_BOOT && !RESET_TO_BL2 43 NRD_CSS_BL1_RW_MMAP, 44 #endif 45 NRD_CSS_GPT_L1_DRAM_MMAP, 46 NRD_CSS_RMM_REGION_MMAP, 47 {0} 48 }; 49 #endif /* IMAGE_BL2 */ 50 51 #if IMAGE_BL31 52 const mmap_region_t plat_arm_mmap[] = { 53 NRD_CSS_SHARED_RAM_MMAP(0), 54 #ifdef PLAT_ARM_MEM_PROT_ADDR 55 NRD_ROS_V2M_MEM_PROTECT_MMAP, 56 #endif 57 NRD_CSS_PERIPH_MMAP(0), 58 NRD_ROS_PLATFORM_PERIPH_MMAP, 59 NRD_ROS_SYSTEM_PERIPH_MMAP, 60 NRD_CSS_GPT_L1_DRAM_MMAP, 61 NRD_CSS_EL3_RMM_SHARED_MEM_MMAP, 62 NRD_CSS_GPC_SMMU_SMMUV3_MMAP, 63 {0} 64 }; 65 #endif /* IMAGE_BL31 */ 66 67 ARM_CASSERT_MMAP 68 69 #if TRUSTED_BOARD_BOOT 70 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size) 71 { 72 assert(heap_addr != NULL); 73 assert(heap_size != NULL); 74 75 return arm_get_mbedtls_heap(heap_addr, heap_size); 76 } 77 #endif 78 79 void plat_arm_secure_wdt_start(void) 80 { 81 sbsa_wdog_start(NRD_CSS_AP_SECURE_WDOG_BASE, 82 NRD_CSS_AP_SECURE_WDOG_TIMEOUT); 83 } 84 85 void plat_arm_secure_wdt_stop(void) 86 { 87 sbsa_wdog_stop(NRD_CSS_AP_SECURE_WDOG_BASE); 88 } 89 90 static sds_region_desc_t nrd_sds_regions[] = { 91 { .base = PLAT_ARM_SDS_MEM_BASE }, 92 }; 93 94 sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count) 95 { 96 *region_count = ARRAY_SIZE(nrd_sds_regions); 97 98 return nrd_sds_regions; 99 } 100