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(MTK_MCDI_SRAM_BASE, MTK_MCDI_SRAM_MAP_SIZE,
19 MT_DEVICE | MT_RW | MT_SECURE),
20 { 0 }
21 };
22
23 /*******************************************************************************
24 * Macro generating the code for the function setting up the pagetables as per
25 * the platform memory map & initialize the mmu, for the given exception level
26 ******************************************************************************/
plat_configure_mmu_el3(uintptr_t total_base,uintptr_t total_size,uintptr_t ro_start,uintptr_t ro_limit)27 void plat_configure_mmu_el3(uintptr_t total_base,
28 uintptr_t total_size,
29 uintptr_t ro_start,
30 uintptr_t ro_limit)
31 {
32 mmap_add_region(total_base, total_base, total_size,
33 MT_RW_DATA | MT_SECURE);
34 mmap_add_region(ro_start, ro_start, ro_limit - ro_start,
35 MT_CODE | MT_SECURE);
36 mmap_add(plat_mmap);
37 init_xlat_tables();
38 enable_mmu_el3(0);
39 }
40
plat_get_syscnt_freq2(void)41 unsigned int plat_get_syscnt_freq2(void)
42 {
43 return SYS_COUNTER_FREQ_IN_TICKS;
44 }
45