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