87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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/*
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* @ : Copyright (c) 2020 Phytium Information Technology, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0.
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*
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* @Date: 2021-05-26 10:09:45
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* @LastEditTime: 2021-05-26 10:31:44
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* @Description: This files is for
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*
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* @Modify History:
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* Ver Who Date Changes
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* ----- ------ -------- --------------------------------------
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*/
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#include <rtthread.h>
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#include "board.h"
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#include <gicv3.h>
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#ifdef RT_USING_SMP
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#include <interrupt.h>
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#include "ft_psci.h"
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#include "ft_generic_timer.h"
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extern int rt_hw_timer_init(void);
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extern void secondary_cpu_start(void);
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void rt_hw_secondary_cpu_up(void)
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{
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rt_uint32_t i;
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rt_uint32_t cpu_mask = 0;
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rt_kprintf("rt_hw_secondary_cpu_up is processing \r\n");
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for (i = 1; i < RT_CPUS_NR; i++)
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{
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if (i == 1)
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{
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/* code */
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FPsci_CpuOn(1 << i, (rt_uint32_t)secondary_cpu_start);
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cpu_mask = 2;
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}
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else if (i == 2)
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{
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FPsci_CpuOn(1 << i, (rt_uint32_t)secondary_cpu_start);
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cpu_mask = 4;
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}
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else if (i == 3)
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{
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FPsci_CpuOn(1 << i, (rt_uint32_t)secondary_cpu_start);
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cpu_mask = 8;
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}
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else
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{
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continue;
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}
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__asm__ volatile("dsb" ::
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: "memory");
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rt_hw_ipi_send(RT_SCHEDULE_IPI, cpu_mask);
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Ft_GenericTimer_UsDelay(1000000);
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}
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}
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void secondary_cpu_c_start(void)
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{
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rt_hw_vector_init();
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rt_hw_spin_lock(&_cpus_lock);
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arm_gic_cpu_init(0);
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arm_gic_redist_init(0);
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rt_hw_timer_init();
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rt_hw_interrupt_set_priority(RT_SCHEDULE_IPI, 16);
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rt_hw_interrupt_umask(RT_SCHEDULE_IPI);
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rt_system_scheduler_start();
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}
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void rt_hw_secondary_cpu_idle_exec(void)
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{
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asm volatile("wfe" ::
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: "memory", "cc");
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}
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#endif
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