172 lines
3.5 KiB
C
172 lines
3.5 KiB
C
/*
|
|
* File : startup.c
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006, RT-Thread Develop Team
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://openlab.rt-thread.com/license/LICENSE
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2006-02-26 Bernard first implementation
|
|
* 2006-05-05 Bernard add two test thread
|
|
* 2006-08-10 Bernard use rt_show_version to display version information
|
|
* 2008-07-14 Bernard modify the heap memory init parameter
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <rthw.h>
|
|
|
|
#include <s3c2410.h>
|
|
|
|
rt_uint8_t _irq_stack_start[1024];
|
|
rt_uint8_t _fiq_stack_start[1024];
|
|
rt_uint8_t _undefined_stack_start[512];
|
|
rt_uint8_t _abort_stack_start[512];
|
|
rt_uint8_t _svc_stack_start[1024] SECTION(".nobss");
|
|
|
|
extern void rt_hw_interrupt_init(void);
|
|
extern void rt_hw_board_init(void);
|
|
extern void rt_serial_init(void);
|
|
extern void rt_system_timer_init(void);
|
|
extern void rt_system_scheduler_init(void);
|
|
extern void rt_thread_idle_init(void);
|
|
extern void rt_hw_cpu_icache_enable(void);
|
|
extern void rt_show_version(void);
|
|
extern void rt_system_heap_init(void*, void*);
|
|
extern void rt_hw_finsh_init(void);
|
|
extern void rt_application_init(void);
|
|
extern int rtl8019_device_register(char*);
|
|
|
|
extern struct serial_device uart0;
|
|
extern struct rt_device uart0_device;
|
|
|
|
/**
|
|
* @addtogroup s3ceb2410
|
|
*/
|
|
|
|
/*@{*/
|
|
|
|
#ifdef __CC_ARM
|
|
extern rt_uint8_t* __bss_start;
|
|
extern rt_uint8_t* __bss_end;
|
|
#else
|
|
extern rt_uint8_t __bss_start;
|
|
extern rt_uint8_t __bss_end;
|
|
#endif
|
|
|
|
/*
|
|
* 4 LEDs on S3CEB2410 : GPF4~GPF7
|
|
*/
|
|
void led_set(rt_uint32_t led)
|
|
{
|
|
GPFDAT = led;
|
|
}
|
|
|
|
/* led loop */
|
|
void led_flash(void)
|
|
{
|
|
rt_uint32_t i;
|
|
|
|
/* change the pin mux to enable the LED output */
|
|
GPFCON = 0x5500;
|
|
|
|
led_set(1 << 4);
|
|
for ( i = 0; i < 2000000; i++);
|
|
|
|
led_set(1 << 5);
|
|
for ( i = 0; i < 2000000; i++);
|
|
|
|
led_set(1 << 6);
|
|
for ( i = 0; i < 2000000; i++);
|
|
|
|
led_set(1 << 17);
|
|
for ( i = 0; i < 2000000; i++);
|
|
}
|
|
|
|
#ifdef RT_USING_FINSH
|
|
extern void finsh_system_init(void);
|
|
#endif
|
|
|
|
/**
|
|
* This function will startup RT-Thread RTOS.
|
|
*/
|
|
void rtthread_startup(void)
|
|
{
|
|
/* enable cpu cache */
|
|
rt_hw_cpu_icache_enable();
|
|
rt_hw_cpu_dcache_enable();
|
|
|
|
/* init hardware interrupt */
|
|
rt_hw_interrupt_init();
|
|
|
|
/* init board */
|
|
rt_hw_board_init();
|
|
|
|
/* show version */
|
|
rt_show_version();
|
|
|
|
/* init tick */
|
|
rt_system_tick_init();
|
|
|
|
/* init kernel object */
|
|
rt_system_object_init();
|
|
|
|
/* init timer system */
|
|
rt_system_timer_init();
|
|
|
|
/* init heap memory system */
|
|
#ifdef __CC_ARM
|
|
rt_system_heap_init((void*)__bss_end, (void*)0x34000000);
|
|
#else
|
|
rt_system_heap_init(&__bss_end, (void*)0x34000000);
|
|
#endif
|
|
|
|
/* init scheduler system */
|
|
rt_system_scheduler_init();
|
|
|
|
/* set idle thread hook */
|
|
rt_thread_idle_sethook(led_flash);
|
|
|
|
#ifdef RT_USING_DEVICE
|
|
/* register uart1 */
|
|
rt_hw_serial_register(&uart0_device, "uart0",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
|
|
&uart0);
|
|
rt_hw_sdcard_init();
|
|
#ifdef RT_USING_LWIP
|
|
/* init ethernet task */
|
|
eth_system_device_init();
|
|
|
|
/* init rtl8019 device */
|
|
rt_rtl8019_device_register("e0");
|
|
#endif
|
|
|
|
/*init all registed devices */
|
|
rt_device_init_all();
|
|
#endif
|
|
|
|
/* init application */
|
|
rt_application_init();
|
|
|
|
#ifdef RT_USING_FINSH
|
|
/* init finsh */
|
|
finsh_system_init();
|
|
#ifdef RT_USING_DEVICE
|
|
finsh_set_device("uart0");
|
|
#endif
|
|
#endif
|
|
|
|
/* init idle thread */
|
|
rt_thread_idle_init();
|
|
|
|
/* start scheduler */
|
|
rt_system_scheduler_start();
|
|
|
|
/* never reach here */
|
|
return ;
|
|
}
|
|
|
|
/*@}*/
|