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116 lines
3.3 KiB
116 lines
3.3 KiB
4 months ago
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/*
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* Copyright (c) 2020, 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 <assert.h>
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#include <bl31/interrupt_mgmt.h>
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#include <common/bl_common.h>
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#include <common/ep_info.h>
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#include <lib/mmio.h>
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#include <lib/xlat_tables/xlat_tables_v2.h>
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#include <platform_def.h>
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#include <stdint.h>
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/*******************************************************************************
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* Platform memory map regions
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******************************************************************************/
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#define MAP_NSDRAM0 MAP_REGION_FLAT(AML_NSDRAM0_BASE, \
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AML_NSDRAM0_SIZE, \
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MT_MEMORY | MT_RW | MT_NS)
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#define MAP_NS_SHARE_MEM MAP_REGION_FLAT(AML_NS_SHARE_MEM_BASE, \
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AML_NS_SHARE_MEM_SIZE, \
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MT_MEMORY | MT_RW | MT_NS)
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#define MAP_SEC_SHARE_MEM MAP_REGION_FLAT(AML_SEC_SHARE_MEM_BASE, \
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AML_SEC_SHARE_MEM_SIZE, \
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MT_MEMORY | MT_RW | MT_SECURE)
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#define MAP_SEC_DEVICE0 MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE, \
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AML_SEC_DEVICE0_SIZE, \
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MT_DEVICE | MT_RW)
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#define MAP_GIC_DEVICE MAP_REGION_FLAT(AML_GIC_DEVICE_BASE, \
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AML_GIC_DEVICE_SIZE, \
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MT_DEVICE | MT_RW | MT_SECURE)
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#define MAP_SEC_DEVICE1 MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE, \
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AML_SEC_DEVICE1_SIZE, \
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MT_DEVICE | MT_RW | MT_SECURE)
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#define MAP_SEC_DEVICE2 MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE, \
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AML_SEC_DEVICE2_SIZE, \
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MT_DEVICE | MT_RW | MT_SECURE)
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#define MAP_TZRAM MAP_REGION_FLAT(AML_TZRAM_BASE, \
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AML_TZRAM_SIZE, \
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MT_DEVICE | MT_RW | MT_SECURE)
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static const mmap_region_t axg_mmap[] = {
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MAP_NSDRAM0,
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MAP_NS_SHARE_MEM,
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MAP_SEC_SHARE_MEM,
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MAP_SEC_DEVICE0,
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MAP_GIC_DEVICE,
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MAP_SEC_DEVICE1,
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MAP_SEC_DEVICE2,
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MAP_TZRAM,
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{0}
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};
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/*******************************************************************************
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* Per-image regions
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******************************************************************************/
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#define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \
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BL31_END - BL31_BASE, \
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MT_MEMORY | MT_RW | MT_SECURE)
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#define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \
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BL_CODE_END - BL_CODE_BASE, \
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MT_CODE | MT_SECURE)
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#define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \
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BL_RO_DATA_END - BL_RO_DATA_BASE, \
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MT_RO_DATA | MT_SECURE)
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#define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \
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BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \
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MT_DEVICE | MT_RW | MT_SECURE)
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/*******************************************************************************
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* Function that sets up the translation tables.
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******************************************************************************/
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void aml_setup_page_tables(void)
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{
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#if IMAGE_BL31
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const mmap_region_t axg_bl_mmap[] = {
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MAP_BL31,
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MAP_BL_CODE,
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MAP_BL_RO_DATA,
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#if USE_COHERENT_MEM
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MAP_BL_COHERENT,
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#endif
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{0}
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};
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#endif
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mmap_add(axg_bl_mmap);
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mmap_add(axg_mmap);
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init_xlat_tables();
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}
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/*******************************************************************************
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* Function that returns the system counter frequency
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******************************************************************************/
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unsigned int plat_get_syscnt_freq2(void)
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{
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mmio_clrbits_32(AML_SYS_CPU_CFG7, PLAT_SYS_CPU_CFG7);
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mmio_clrbits_32(AML_AO_TIMESTAMP_CNTL, PLAT_AO_TIMESTAMP_CNTL);
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return AML_OSC24M_CLK_IN_HZ;
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}
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