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27132f13ca
- Add basic platform setup. - Add MT8186 documentation at docs/plat/. - Add generic CPU helper functions. - Add basic register address. TEST=build pass BUG=b:202871018 Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Id3e2f46a8c3ab2f3e29137e508d4c671e8f4aad5
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <lib/xlat_tables/xlat_tables_v2.h>
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#include <platform_def.h>
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/* Table of regions to map using the MMU. */
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const mmap_region_t plat_mmap[] = {
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/* for TF text, RO, RW */
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MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
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MT_DEVICE | MT_RW | MT_SECURE),
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MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
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MT_DEVICE | MT_RW | MT_SECURE),
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MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE,
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MT_DEVICE | MT_RW | MT_SECURE),
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{ 0 }
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};
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/*******************************************************************************
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* Macro generating the code for the function setting up the pagetables as per
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* the platform memory map & initialize the mmu, for the given exception level
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******************************************************************************/
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void plat_configure_mmu_el3(uintptr_t total_base,
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uintptr_t total_size,
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uintptr_t ro_start,
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uintptr_t ro_limit)
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{
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mmap_add_region(total_base, total_base, total_size,
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MT_RW_DATA | MT_SECURE);
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mmap_add_region(ro_start, ro_start, ro_limit - ro_start,
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MT_CODE | MT_SECURE);
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mmap_add(plat_mmap);
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init_xlat_tables();
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enable_mmu_el3(0);
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}
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unsigned int plat_get_syscnt_freq2(void)
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{
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return SYS_COUNTER_FREQ_IN_TICKS;
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}
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