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