76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2018-11-22 Jesven first version
|
|
*/
|
|
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
#include <stdint.h>
|
|
|
|
#include "board.h"
|
|
#include "gic.h"
|
|
#include "drv_timer.h"
|
|
|
|
#ifdef RT_USING_SMP
|
|
#include <interrupt.h>
|
|
|
|
#ifdef RT_USING_USERSPACE
|
|
#include <mmu.h>
|
|
#endif
|
|
|
|
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)
|
|
{
|
|
volatile void **plat_boot_reg = (volatile void **)0x10000034;
|
|
char *entry = (char *)rt_secondary_cpu_entry;
|
|
|
|
#ifdef RT_USING_USERSPACE
|
|
plat_boot_reg = (volatile void **)rt_hw_mmu_map(&mmu_info, 0, (void *)plat_boot_reg, 0x1000, MMU_MAP_K_RW);
|
|
if (!plat_boot_reg)
|
|
{
|
|
/* failed */
|
|
return;
|
|
}
|
|
entry += PV_OFFSET;
|
|
#endif
|
|
*plat_boot_reg-- = (void *)(size_t)-1;
|
|
*plat_boot_reg = (void *)entry;
|
|
rt_hw_dsb();
|
|
rt_hw_ipi_send(0, 1 << 1);
|
|
}
|
|
|
|
/* Interface */
|
|
void rt_hw_secondary_cpu_bsp_start(void)
|
|
{
|
|
rt_hw_vector_init();
|
|
|
|
rt_hw_spin_lock(&_cpus_lock);
|
|
|
|
arm_gic_cpu_init(0, 0);
|
|
arm_gic_set_cpu(0, IRQ_PBA8_TIMER0_1, 0x2);
|
|
|
|
timer_init(0, 10000);
|
|
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
|