| developer | 1033ea1 | 2019-04-10 21:09:26 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <arch_helpers.h> |
| 8 | #include <common/bl_common.h> |
| 9 | #include <common/debug.h> |
| 10 | #include <platform_def.h> |
| 11 | #include <lib/utils.h> |
| 12 | #include <lib/xlat_tables/xlat_tables.h> |
| 13 | |
| 14 | /* Table of regions to map using the MMU. */ |
| 15 | const mmap_region_t plat_mmap[] = { |
| 16 | /* for TF text, RO, RW */ |
| 17 | MAP_REGION_FLAT(TZRAM_BASE, TZRAM_SIZE, |
| 18 | MT_MEMORY | MT_RW | MT_SECURE), |
| 19 | MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE, |
| 20 | MT_DEVICE | MT_RW | MT_SECURE), |
| 21 | MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE, |
| 22 | MT_DEVICE | MT_RW | MT_SECURE), |
| 23 | MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE, |
| 24 | MT_DEVICE | MT_RW | MT_SECURE), |
| 25 | { 0 } |
| 26 | }; |
| 27 | |
| 28 | /******************************************************************************* |
| 29 | * Macro generating the code for the function setting up the pagetables as per |
| 30 | * the platform memory map & initialize the mmu, for the given exception level |
| 31 | ******************************************************************************/ |
| 32 | void plat_configure_mmu_el3(uintptr_t total_base, |
| 33 | uintptr_t total_size, |
| 34 | uintptr_t ro_start, |
| 35 | uintptr_t ro_limit, |
| 36 | uintptr_t coh_start, |
| 37 | uintptr_t coh_limit) |
| 38 | { |
| 39 | mmap_add_region(total_base, total_base, total_size, |
| 40 | MT_MEMORY | MT_RW | MT_SECURE); |
| 41 | mmap_add_region(ro_start, ro_start, ro_limit - ro_start, |
| 42 | MT_MEMORY | MT_RO | MT_SECURE); |
| 43 | mmap_add_region(coh_start, coh_start, coh_limit - coh_start, |
| 44 | MT_DEVICE | MT_RW | MT_SECURE); |
| 45 | mmap_add(plat_mmap); |
| 46 | init_xlat_tables(); |
| 47 | enable_mmu_el3(0); |
| 48 | } |
| 49 | |
| 50 | unsigned int plat_get_syscnt_freq2(void) |
| 51 | { |
| 52 | return SYS_COUNTER_FREQ_IN_TICKS; |
| 53 | } |