/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-11-22 Jesven first version */ #include #include #include #include "board.h" #include "gic.h" #include "drv_timer.h" #ifdef RT_USING_SMP #include static void rt_hw_timer2_isr(int vector, void *param) { rt_tick_increase(); /* clear interrupt */ timer_clear_pending(0); } void rt_hw_secondary_cpu_up(void) { extern void set_secondary_cpu_boot_address(void); set_secondary_cpu_boot_address(); __asm__ volatile ("dsb":::"memory"); rt_hw_ipi_send(0, 1 << 1); } void secondary_cpu_c_start(void) { rt_hw_vector_init(); rt_hw_spin_lock(&_cpus_lock); arm_gic_cpu_init(0, REALVIEW_GIC_CPU_BASE); arm_gic_set_cpu(0, IRQ_PBA8_TIMER0_1, 0x2); timer_init(0, 1000); rt_hw_interrupt_install(IRQ_PBA8_TIMER0_1, rt_hw_timer2_isr, RT_NULL, "tick"); rt_hw_interrupt_umask(IRQ_PBA8_TIMER0_1); rt_system_scheduler_start(); } void rt_hw_secondary_cpu_idle_exec(void) { asm volatile ("wfe":::"memory", "cc"); } #endif