rt-thread-official/bsp/phytium/board/phytium_cpu.h

106 lines
2.2 KiB
C

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