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_ROS_FLASH0_RO_MMAP, 23 NRD_CSS_PERIPH_MMAP(0), 24 NRD_ROS_PLATFORM_PERIPH_MMAP, 25 NRD_ROS_SYSTEM_PERIPH_MMAP, 26 {0} 27 }; 28 #endif /* IMAGE_BL3 */ 29 30 #if IMAGE_BL2 31 const mmap_region_t plat_arm_mmap[] = { 32 NRD_ROS_FLASH0_RO_MMAP, 33 #ifdef PLAT_ARM_MEM_PROT_ADDR 34 NRD_ROS_V2M_MEM_PROTECT_MMAP, 35 #endif 36 NRD_CSS_PERIPH_MMAP(0), 37 NRD_ROS_PLATFORM_PERIPH_MMAP, 38 NRD_ROS_SYSTEM_PERIPH_MMAP, 39 {0} 40 }; 41 #endif /* IMAGE_BL2 */ 42 43 #if IMAGE_BL31 44 const mmap_region_t plat_arm_mmap[] = { 45 #ifdef PLAT_ARM_MEM_PROT_ADDR 46 NRD_ROS_V2M_MEM_PROTECT_MMAP, 47 #endif 48 NRD_CSS_PERIPH_MMAP(0), 49 NRD_ROS_PLATFORM_PERIPH_MMAP, 50 NRD_ROS_SYSTEM_PERIPH_MMAP, 51 {0} 52 }; 53 #endif /* IMAGE_BL31 */ 54 55 ARM_CASSERT_MMAP 56 57 #if TRUSTED_BOARD_BOOT 58 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size) 59 { 60 assert(heap_addr != NULL); 61 assert(heap_size != NULL); 62 63 return arm_get_mbedtls_heap(heap_addr, heap_size); 64 } 65 #endif 66 67 void plat_arm_secure_wdt_start(void) 68 { 69 sbsa_wdog_start(NRD_CSS_AP_SECURE_WDOG_BASE, 70 NRD_CSS_AP_SECURE_WDOG_TIMEOUT); 71 } 72 73 void plat_arm_secure_wdt_stop(void) 74 { 75 sbsa_wdog_stop(NRD_CSS_AP_SECURE_WDOG_BASE); 76 } 77 78 static sds_region_desc_t nrd_sds_regions[] = { 79 { .base = PLAT_ARM_SDS_MEM_BASE }, 80 }; 81 82 sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count) 83 { 84 *region_count = ARRAY_SIZE(nrd_sds_regions); 85 86 return nrd_sds_regions; 87 } 88