1 /* 2 * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch_helpers.h> 8 #include <assert.h> 9 #include <bl_common.h> 10 #include <debug.h> 11 #include <mmio.h> 12 #include <platform.h> 13 #include <platform_def.h> 14 #include <xlat_tables.h> 15 16 #include "../hikey960_def.h" 17 #include "../hikey960_private.h" 18 19 #define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \ 20 DDR_SIZE - DDR_SEC_SIZE, \ 21 MT_MEMORY | MT_RW | MT_NS) 22 23 #define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \ 24 DEVICE_SIZE, \ 25 MT_DEVICE | MT_RW | MT_SECURE) 26 27 #define MAP_BL1_RW MAP_REGION_FLAT(BL1_RW_BASE, \ 28 BL1_RW_LIMIT - BL1_RW_BASE, \ 29 MT_MEMORY | MT_RW | MT_NS) 30 31 #define MAP_UFS_DATA MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE, \ 32 HIKEY960_UFS_DATA_SIZE, \ 33 MT_MEMORY | MT_RW | MT_NS) 34 35 #define MAP_UFS_DESC MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE, \ 36 HIKEY960_UFS_DESC_SIZE, \ 37 MT_MEMORY | MT_RW | MT_NS) 38 39 #define MAP_TSP_MEM MAP_REGION_FLAT(TSP_SEC_MEM_BASE, \ 40 TSP_SEC_MEM_SIZE, \ 41 MT_MEMORY | MT_RW | MT_SECURE) 42 43 /* 44 * Table of regions for different BL stages to map using the MMU. 45 * This doesn't include Trusted RAM as the 'mem_layout' argument passed to 46 * hikey960_init_mmu_elx() will give the available subset of that, 47 */ 48 #ifdef IMAGE_BL1 49 static const mmap_region_t hikey960_mmap[] = { 50 MAP_UFS_DATA, 51 MAP_BL1_RW, 52 MAP_UFS_DESC, 53 MAP_DEVICE, 54 {0} 55 }; 56 #endif 57 58 #ifdef IMAGE_BL2 59 static const mmap_region_t hikey960_mmap[] = { 60 MAP_DDR, 61 MAP_DEVICE, 62 MAP_TSP_MEM, 63 {0} 64 }; 65 #endif 66 67 #ifdef IMAGE_BL31 68 static const mmap_region_t hikey960_mmap[] = { 69 MAP_DEVICE, 70 MAP_TSP_MEM, 71 {0} 72 }; 73 #endif 74 75 #ifdef IMAGE_BL32 76 static const mmap_region_t hikey960_mmap[] = { 77 MAP_DEVICE, 78 MAP_DDR, 79 {0} 80 }; 81 #endif 82 83 /* 84 * Macro generating the code for the function setting up the pagetables as per 85 * the platform memory map & initialize the mmu, for the given exception level 86 */ 87 #define HIKEY960_CONFIGURE_MMU_EL(_el) \ 88 void hikey960_init_mmu_el##_el(unsigned long total_base, \ 89 unsigned long total_size, \ 90 unsigned long ro_start, \ 91 unsigned long ro_limit, \ 92 unsigned long coh_start, \ 93 unsigned long coh_limit) \ 94 { \ 95 mmap_add_region(total_base, total_base, \ 96 total_size, \ 97 MT_MEMORY | MT_RW | MT_SECURE); \ 98 mmap_add_region(ro_start, ro_start, \ 99 ro_limit - ro_start, \ 100 MT_MEMORY | MT_RO | MT_SECURE); \ 101 mmap_add_region(coh_start, coh_start, \ 102 coh_limit - coh_start, \ 103 MT_DEVICE | MT_RW | MT_SECURE); \ 104 mmap_add(hikey960_mmap); \ 105 init_xlat_tables(); \ 106 \ 107 enable_mmu_el##_el(0); \ 108 } 109 110 /* Define EL1 and EL3 variants of the function initialising the MMU */ 111 HIKEY960_CONFIGURE_MMU_EL(1) 112 HIKEY960_CONFIGURE_MMU_EL(3) 113 114 unsigned long plat_get_ns_image_entrypoint(void) 115 { 116 return NS_BL1U_BASE; 117 } 118 119 unsigned int plat_get_syscnt_freq2(void) 120 { 121 return 1920000; 122 } 123