1 /* 2 * Copyright (c) 2018-2022, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <drivers/arm/sbsa.h> 10 #include <plat/arm/common/plat_arm.h> 11 12 #include "n1sdp_def.h" 13 14 /* 15 * Table of regions to map using the MMU. 16 * Replace or extend the below regions as required 17 */ 18 19 #if IMAGE_BL1 20 const mmap_region_t plat_arm_mmap[] = { 21 ARM_MAP_SHARED_RAM, 22 N1SDP_MAP_DEVICE, 23 N1SDP_MAP_NS_SRAM, 24 ARM_MAP_DRAM1, 25 {0} 26 }; 27 #endif 28 29 #if IMAGE_BL2 30 const mmap_region_t plat_arm_mmap[] = { 31 ARM_MAP_SHARED_RAM, 32 N1SDP_MAP_DEVICE, 33 N1SDP_MAP_NS_SRAM, 34 ARM_MAP_DRAM1, 35 ARM_MAP_DRAM2, 36 #if TRUSTED_BOARD_BOOT && !BL2_AT_EL3 37 ARM_MAP_BL1_RW, 38 #endif 39 {0} 40 }; 41 #endif 42 43 #if IMAGE_BL31 44 const mmap_region_t plat_arm_mmap[] = { 45 ARM_MAP_SHARED_RAM, 46 N1SDP_MAP_DEVICE, 47 N1SDP_MAP_NS_SRAM, 48 N1SDP_MAP_REMOTE_DEVICE, 49 N1SDP_MAP_REMOTE_DRAM1, 50 N1SDP_MAP_REMOTE_DRAM2, 51 {0} 52 }; 53 #endif 54 55 #if TRUSTED_BOARD_BOOT 56 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size) 57 { 58 assert(heap_addr != NULL); 59 assert(heap_size != NULL); 60 61 return arm_get_mbedtls_heap(heap_addr, heap_size); 62 } 63 #endif 64 65 void plat_arm_secure_wdt_start(void) 66 { 67 sbsa_wdog_start(SBSA_SECURE_WDOG_BASE, SBSA_SECURE_WDOG_TIMEOUT); 68 } 69 70 void plat_arm_secure_wdt_stop(void) 71 { 72 sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE); 73 } 74