106 lines
2.2 KiB
C
106 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Email: opensource_embedded@phytium.com.cn
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*
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* Change Logs:
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* Date Author Notes
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* 2022-10-26 huanghe first commit
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*
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*/
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#ifndef __PHYTIUM_CPU_H__
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#define __PHYTIUM_CPU_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include <gicv3.h>
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#include "fparameters.h"
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#include "fio.h"
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#include "faarch.h"
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#ifdef RT_USING_SMART
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#include"ioremap.h"
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#endif
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#define ARM_GIC_MAX_NR 1
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#if defined(TARGET_FT2000_4) || defined(TARGET_D2000)
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#define MAX_HANDLERS 160
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#endif
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#if defined(TARGET_E2000)
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#define MAX_HANDLERS 270
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#endif
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#define GIC_IRQ_START 0
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#define GIC_ACK_INTID_MASK 0x000003ff
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rt_uint64_t get_main_cpu_affval(void);
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rt_inline rt_uint32_t platform_get_gic_dist_base(void)
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{
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return GICV3_DISTRIBUTOR_BASE_ADDR;
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}
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/* the basic constants and interfaces needed by gic */
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rt_inline uintptr_t platform_get_gic_redist_base(void)
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{
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uintptr_t redis_base, mpidr_aff, gicr_typer_aff;
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mpidr_aff = (uintptr_t)(GetAffinity() & 0xfff);
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for (redis_base = GICV3_RD_BASE_ADDR; redis_base < GICV3_RD_BASE_ADDR + GICV3_RD_SIZE; redis_base += GICV3_RD_OFFSET)
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{
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#ifdef RT_USING_SMART
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uintptr_t redis_base_virtual = (uintptr_t)rt_ioremap((void *)redis_base, GICV3_RD_OFFSET);
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if (redis_base_virtual == 0)
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{
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continue;
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}
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#if defined(TARGET_ARMV8_AARCH64)
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gicr_typer_aff = GIC_RDIST_TYPER(redis_base_virtual) >> 32;
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#else
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gicr_typer_aff = GIC_RDIST_TYPER(redis_base_virtual + 0x4);
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#endif
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if (mpidr_aff == gicr_typer_aff)
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{
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return redis_base_virtual;
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}
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else
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{
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rt_iounmap(redis_base_virtual);
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}
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#else
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#if defined(TARGET_ARMV8_AARCH64)
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gicr_typer_aff = GIC_RDIST_TYPER(redis_base) >> 32;
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#else
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gicr_typer_aff = GIC_RDIST_TYPER(redis_base + 0x4);
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#endif
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if (mpidr_aff == gicr_typer_aff)
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{
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return redis_base;
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}
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#endif
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}
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return 0;
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}
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#if defined(TARGET_ARMV8_AARCH64)
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rt_inline rt_uint32_t platform_get_gic_cpu_base(void)
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{
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return 0; /* unused in gicv3 */
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}
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#endif
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int phytium_cpu_id_mapping(int cpu_id);
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#endif // !
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