rt-thread-official/bsp/qemu-vexpress-a9/drivers/board.c

59 lines
1.4 KiB
C

/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2012-11-20 Bernard the first version
* 2018-11-22 Jesven add rt_hw_spin_lock
* add rt_hw_spin_unlock
* add smp ipi init
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#include "drv_timer.h"
#include <mmu.h>
struct mem_desc platform_mem_desc[] = {
{0x10000000, 0x50000000, 0x10000000, DEVICE_MEM},
{0x60000000, 0xe0000000, 0x60000000, NORMAL_MEM}
};
const rt_uint32_t platform_mem_desc_size = sizeof(platform_mem_desc)/sizeof(platform_mem_desc[0]);
#define SYS_CTRL __REG32(REALVIEW_SCTL_BASE)
extern void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler);
void idle_wfi(void)
{
asm volatile ("wfi");
}
/**
* This function will initialize beaglebone board
*/
void rt_hw_board_init(void)
{
/* initialize hardware interrupt */
rt_hw_interrupt_init();
/* initialize system heap */
rt_system_heap_init(HEAP_BEGIN, HEAP_END);
rt_components_board_init();
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
rt_thread_idle_sethook(idle_wfi);
#ifdef RT_USING_SMP
/* install IPI handle */
rt_hw_ipi_handler_install(RT_SCHEDULE_IPI, rt_scheduler_ipi_handler);
#endif
}