1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <lib/xlat_tables/xlat_tables_v2.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <platform_def.h> 10*91f16700Schasinglulu 11*91f16700Schasinglulu /* Table of regions to map using the MMU. */ 12*91f16700Schasinglulu const mmap_region_t plat_mmap[] = { 13*91f16700Schasinglulu /* for TF text, RO, RW */ 14*91f16700Schasinglulu MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE, 15*91f16700Schasinglulu MT_DEVICE | MT_RW | MT_SECURE), 16*91f16700Schasinglulu MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE, 17*91f16700Schasinglulu MT_DEVICE | MT_RW | MT_SECURE), 18*91f16700Schasinglulu MAP_REGION_FLAT(MTK_MCDI_SRAM_BASE, MTK_MCDI_SRAM_MAP_SIZE, 19*91f16700Schasinglulu MT_DEVICE | MT_RW | MT_SECURE), 20*91f16700Schasinglulu { 0 } 21*91f16700Schasinglulu }; 22*91f16700Schasinglulu 23*91f16700Schasinglulu /******************************************************************************* 24*91f16700Schasinglulu * Macro generating the code for the function setting up the pagetables as per 25*91f16700Schasinglulu * the platform memory map & initialize the mmu, for the given exception level 26*91f16700Schasinglulu ******************************************************************************/ 27*91f16700Schasinglulu void plat_configure_mmu_el3(uintptr_t total_base, 28*91f16700Schasinglulu uintptr_t total_size, 29*91f16700Schasinglulu uintptr_t ro_start, 30*91f16700Schasinglulu uintptr_t ro_limit) 31*91f16700Schasinglulu { 32*91f16700Schasinglulu mmap_add_region(total_base, total_base, total_size, 33*91f16700Schasinglulu MT_RW_DATA | MT_SECURE); 34*91f16700Schasinglulu mmap_add_region(ro_start, ro_start, ro_limit - ro_start, 35*91f16700Schasinglulu MT_CODE | MT_SECURE); 36*91f16700Schasinglulu mmap_add(plat_mmap); 37*91f16700Schasinglulu init_xlat_tables(); 38*91f16700Schasinglulu enable_mmu_el3(0); 39*91f16700Schasinglulu } 40*91f16700Schasinglulu 41*91f16700Schasinglulu unsigned int plat_get_syscnt_freq2(void) 42*91f16700Schasinglulu { 43*91f16700Schasinglulu return SYS_COUNTER_FREQ_IN_TICKS; 44*91f16700Schasinglulu } 45