58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
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/*
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* Copyright (c) 2006-2018, 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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* Change Logs:
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* Date Author Notes
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* 2018-11-22 Jesven first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <stdint.h>
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#include "board.h"
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#include "gic.h"
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#include "drv_timer.h"
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#ifdef RT_USING_SMP
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static void rt_hw_timer2_isr(int vector, void *param)
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{
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rt_tick_increase();
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/* clear interrupt */
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timer_clear_pending(0);
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}
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void rt_hw_secondary_cpu_up(void)
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{
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extern void set_secondary_cpu_boot_address(void);
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set_secondary_cpu_boot_address();
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__asm__ volatile ("dsb":::"memory");
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rt_hw_ipi_send(0, 1 << 1);
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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, REALVIEW_GIC_CPU_BASE);
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arm_gic_set_cpu(0, IRQ_PBA8_TIMER0_1, 0x2);
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timer_init(0, 1000);
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rt_hw_interrupt_install(IRQ_PBA8_TIMER0_1, rt_hw_timer2_isr, RT_NULL, "tick");
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rt_hw_interrupt_umask(IRQ_PBA8_TIMER0_1);
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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":::"memory", "cc");
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}
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#endif
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