1 /* 2 * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <lib/xlat_tables/xlat_tables_v2.h> 8 9 #include <platform_def.h> 10 11 /* Table of regions to map using the MMU. */ 12 const mmap_region_t plat_mmap[] = { 13 /* for TF text, RO, RW */ 14 MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE, 15 MT_DEVICE | MT_RW | MT_SECURE), 16 MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE, 17 MT_DEVICE | MT_RW | MT_SECURE), 18 MAP_REGION_FLAT(DP_SEC_BASE, DP_SEC_SIZE, 19 MT_DEVICE | MT_RW | MT_SECURE), 20 MAP_REGION_FLAT(eDP_SEC_BASE, eDP_SEC_SIZE, 21 MT_DEVICE | MT_RW | MT_SECURE), 22 { 0 } 23 }; 24 25 /******************************************************************************* 26 * Macro generating the code for the function setting up the pagetables as per 27 * the platform memory map & initialize the mmu, for the given exception level 28 ******************************************************************************/ 29 void plat_configure_mmu_el3(uintptr_t total_base, 30 uintptr_t total_size, 31 uintptr_t ro_start, 32 uintptr_t ro_limit) 33 { 34 mmap_add_region(total_base, total_base, total_size, 35 MT_RW_DATA | MT_SECURE); 36 mmap_add_region(ro_start, ro_start, ro_limit - ro_start, 37 MT_CODE | MT_SECURE); 38 mmap_add(plat_mmap); 39 init_xlat_tables(); 40 enable_mmu_el3(0); 41 } 42 43 unsigned int plat_get_syscnt_freq2(void) 44 { 45 return SYS_COUNTER_FREQ_IN_TICKS; 46 } 47