1*27132f13SRex-BC Chen /* 2*27132f13SRex-BC Chen * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. 3*27132f13SRex-BC Chen * 4*27132f13SRex-BC Chen * SPDX-License-Identifier: BSD-3-Clause 5*27132f13SRex-BC Chen */ 6*27132f13SRex-BC Chen 7*27132f13SRex-BC Chen #include <lib/xlat_tables/xlat_tables_v2.h> 8*27132f13SRex-BC Chen 9*27132f13SRex-BC Chen #include <platform_def.h> 10*27132f13SRex-BC Chen 11*27132f13SRex-BC Chen /* Table of regions to map using the MMU. */ 12*27132f13SRex-BC Chen const mmap_region_t plat_mmap[] = { 13*27132f13SRex-BC Chen /* for TF text, RO, RW */ 14*27132f13SRex-BC Chen MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE, 15*27132f13SRex-BC Chen MT_DEVICE | MT_RW | MT_SECURE), 16*27132f13SRex-BC Chen MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE, 17*27132f13SRex-BC Chen MT_DEVICE | MT_RW | MT_SECURE), 18*27132f13SRex-BC Chen MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE, 19*27132f13SRex-BC Chen MT_DEVICE | MT_RW | MT_SECURE), 20*27132f13SRex-BC Chen { 0 } 21*27132f13SRex-BC Chen }; 22*27132f13SRex-BC Chen 23*27132f13SRex-BC Chen /******************************************************************************* 24*27132f13SRex-BC Chen * Macro generating the code for the function setting up the pagetables as per 25*27132f13SRex-BC Chen * the platform memory map & initialize the mmu, for the given exception level 26*27132f13SRex-BC Chen ******************************************************************************/ 27*27132f13SRex-BC Chen void plat_configure_mmu_el3(uintptr_t total_base, 28*27132f13SRex-BC Chen uintptr_t total_size, 29*27132f13SRex-BC Chen uintptr_t ro_start, 30*27132f13SRex-BC Chen uintptr_t ro_limit) 31*27132f13SRex-BC Chen { 32*27132f13SRex-BC Chen mmap_add_region(total_base, total_base, total_size, 33*27132f13SRex-BC Chen MT_RW_DATA | MT_SECURE); 34*27132f13SRex-BC Chen mmap_add_region(ro_start, ro_start, ro_limit - ro_start, 35*27132f13SRex-BC Chen MT_CODE | MT_SECURE); 36*27132f13SRex-BC Chen mmap_add(plat_mmap); 37*27132f13SRex-BC Chen init_xlat_tables(); 38*27132f13SRex-BC Chen enable_mmu_el3(0); 39*27132f13SRex-BC Chen } 40*27132f13SRex-BC Chen 41*27132f13SRex-BC Chen unsigned int plat_get_syscnt_freq2(void) 42*27132f13SRex-BC Chen { 43*27132f13SRex-BC Chen return SYS_COUNTER_FREQ_IN_TICKS; 44*27132f13SRex-BC Chen } 45