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 <assert.h> 8 9 #include <platform_def.h> 10 11 #include <arch_helpers.h> 12 #include <common/bl_common.h> 13 #include <common/debug.h> 14 #include <lib/mmio.h> 15 #include <lib/xlat_tables/xlat_tables.h> 16 #include <plat/common/platform.h> 17 18 #include "../hikey960_def.h" 19 #include "../hikey960_private.h" 20 21 #define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \ 22 DDR_SIZE - DDR_SEC_SIZE, \ 23 MT_MEMORY | MT_RW | MT_NS) 24 25 #define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \ 26 DEVICE_SIZE, \ 27 MT_DEVICE | MT_RW | MT_SECURE) 28 29 #define MAP_BL1_RW MAP_REGION_FLAT(BL1_RW_BASE, \ 30 BL1_RW_LIMIT - BL1_RW_BASE, \ 31 MT_MEMORY | MT_RW | MT_NS) 32 33 #define MAP_UFS_DATA MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE, \ 34 HIKEY960_UFS_DATA_SIZE, \ 35 MT_MEMORY | MT_RW | MT_NS) 36 37 #define MAP_UFS_DESC MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE, \ 38 HIKEY960_UFS_DESC_SIZE, \ 39 MT_MEMORY | MT_RW | MT_NS) 40 41 #define MAP_TSP_MEM MAP_REGION_FLAT(TSP_SEC_MEM_BASE, \ 42 TSP_SEC_MEM_SIZE, \ 43 MT_MEMORY | MT_RW | MT_SECURE) 44 45 /* 46 * Table of regions for different BL stages to map using the MMU. 47 * This doesn't include Trusted RAM as the 'mem_layout' argument passed to 48 * hikey960_init_mmu_elx() will give the available subset of that, 49 */ 50 #ifdef IMAGE_BL1 51 static const mmap_region_t hikey960_mmap[] = { 52 MAP_UFS_DATA, 53 MAP_BL1_RW, 54 MAP_UFS_DESC, 55 MAP_DEVICE, 56 {0} 57 }; 58 #endif 59 60 #ifdef IMAGE_BL2 61 static const mmap_region_t hikey960_mmap[] = { 62 MAP_DDR, 63 MAP_DEVICE, 64 MAP_TSP_MEM, 65 {0} 66 }; 67 #endif 68 69 #ifdef IMAGE_BL31 70 static const mmap_region_t hikey960_mmap[] = { 71 MAP_DEVICE, 72 MAP_TSP_MEM, 73 {0} 74 }; 75 #endif 76 77 #ifdef IMAGE_BL32 78 static const mmap_region_t hikey960_mmap[] = { 79 MAP_DEVICE, 80 MAP_DDR, 81 {0} 82 }; 83 #endif 84 85 /* 86 * Macro generating the code for the function setting up the pagetables as per 87 * the platform memory map & initialize the mmu, for the given exception level 88 */ 89 #define HIKEY960_CONFIGURE_MMU_EL(_el) \ 90 void hikey960_init_mmu_el##_el(unsigned long total_base, \ 91 unsigned long total_size, \ 92 unsigned long ro_start, \ 93 unsigned long ro_limit, \ 94 unsigned long coh_start, \ 95 unsigned long coh_limit) \ 96 { \ 97 mmap_add_region(total_base, total_base, \ 98 total_size, \ 99 MT_MEMORY | MT_RW | MT_SECURE); \ 100 mmap_add_region(ro_start, ro_start, \ 101 ro_limit - ro_start, \ 102 MT_MEMORY | MT_RO | MT_SECURE); \ 103 mmap_add_region(coh_start, coh_start, \ 104 coh_limit - coh_start, \ 105 MT_DEVICE | MT_RW | MT_SECURE); \ 106 mmap_add(hikey960_mmap); \ 107 init_xlat_tables(); \ 108 \ 109 enable_mmu_el##_el(0); \ 110 } 111 112 /* Define EL1 and EL3 variants of the function initialising the MMU */ 113 HIKEY960_CONFIGURE_MMU_EL(1) 114 HIKEY960_CONFIGURE_MMU_EL(3) 115 116 unsigned long plat_get_ns_image_entrypoint(void) 117 { 118 return NS_BL1U_BASE; 119 } 120 121 unsigned int plat_get_syscnt_freq2(void) 122 { 123 return 1920000; 124 } 125