187 lines
4.1 KiB
C
Executable File
187 lines
4.1 KiB
C
Executable File
/*
|
|
* 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://www.rt-thread.org/license/LICENSE
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2011-01-13 weety first version
|
|
*/
|
|
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
|
|
#include <at91sam926x.h>
|
|
#ifdef RT_USING_FINSH
|
|
#include <finsh.h>
|
|
#endif
|
|
|
|
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 struct serial_device uart0;
|
|
extern struct rt_device uart0_device;
|
|
|
|
/**
|
|
* @addtogroup at91sam9260
|
|
*/
|
|
|
|
/*@{*/
|
|
#if defined(__CC_ARM)
|
|
extern int Image$$ER_ZI$$ZI$$Base;
|
|
extern int Image$$ER_ZI$$ZI$$Length;
|
|
extern int Image$$ER_ZI$$ZI$$Limit;
|
|
#elif (defined (__GNUC__))
|
|
rt_uint8_t _irq_stack_start[1024];
|
|
rt_uint8_t _fiq_stack_start[1024];
|
|
rt_uint8_t _undefined_stack_start[512];
|
|
rt_uint8_t _abort_stack_start[512];
|
|
rt_uint8_t _svc_stack_start[4096] SECTION(".nobss");
|
|
extern unsigned char __bss_start;
|
|
extern unsigned char __bss_end;
|
|
#endif
|
|
|
|
#ifdef RT_USING_FINSH
|
|
extern void finsh_system_init(void);
|
|
#endif
|
|
|
|
|
|
/**
|
|
* This function will startup RT-Thread RTOS.
|
|
*/
|
|
void rtthread_startup(void)
|
|
{
|
|
/* disable interrupt first */
|
|
rt_hw_interrupt_disable();
|
|
/* enable cpu cache */
|
|
rt_hw_cpu_icache_disable();
|
|
mmu_invalidate_icache();
|
|
rt_hw_cpu_icache_enable();
|
|
|
|
/* initialize hardware interrupt */
|
|
rt_hw_interrupt_init();
|
|
|
|
/* initialize board */
|
|
rt_hw_board_init();
|
|
|
|
/* show version */
|
|
rt_show_version();
|
|
|
|
/* initialize tick */
|
|
rt_system_tick_init();
|
|
|
|
/* initialize kernel object */
|
|
rt_system_object_init();
|
|
|
|
/* initialize timer system */
|
|
rt_system_timer_init();
|
|
|
|
/* initialize heap memory system */
|
|
#ifdef __CC_ARM
|
|
rt_system_heap_init((void*)&Image$$ER_ZI$$ZI$$Limit, (void*)0x24000000);
|
|
#else
|
|
rt_system_heap_init((void*)&__bss_end, (void*)0x23f00000);
|
|
#endif
|
|
|
|
#ifdef RT_USING_MODULE
|
|
/* initialize module system*/
|
|
rt_system_module_init();
|
|
#endif
|
|
|
|
/* initialize scheduler system */
|
|
rt_system_scheduler_init();
|
|
|
|
#ifdef RT_USING_DEVICE
|
|
#ifdef RT_USING_DBGU
|
|
/* register dbgu */
|
|
rt_hw_serial_register(&uart0_device, "uart0",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX,
|
|
&uart0);
|
|
#endif
|
|
|
|
#ifdef RT_USING_UART0
|
|
/* register uart0 */
|
|
rt_hw_serial_register(&uart1_device, "uart1",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX,
|
|
&uart1);
|
|
#endif
|
|
|
|
#ifdef RT_USING_UART1
|
|
/* register uart1 */
|
|
rt_hw_serial_register(&uart2_device, "uart2",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX,
|
|
&uart2);
|
|
#endif
|
|
|
|
#ifdef RT_USING_UART2
|
|
/* register uart2 */
|
|
rt_hw_serial_register(&uart3_device, "uart3",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX,
|
|
&uart3);
|
|
#endif
|
|
|
|
#ifdef RT_USING_UART3
|
|
/* register uart3 */
|
|
rt_hw_serial_register(&uart4_device, "uart4",
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX,
|
|
&uart4);
|
|
#endif
|
|
|
|
#ifdef RT_USING_DFS
|
|
//rt_hw_sdcard_init();
|
|
#endif
|
|
|
|
#ifdef RT_USING_LWIP
|
|
/* register ethernetif device */
|
|
eth_system_device_init();
|
|
rt_hw_macb_init();
|
|
/* init lwip system */
|
|
lwip_sys_init();
|
|
rt_kprintf("TCP/IP initialized!\n");
|
|
#endif
|
|
|
|
/*init all registed devices */
|
|
rt_device_init_all();
|
|
#endif
|
|
|
|
/* initialize application */
|
|
rt_application_init();
|
|
|
|
#ifdef RT_USING_FINSH
|
|
/* initialize finsh */
|
|
finsh_system_init();
|
|
#ifdef RT_USING_DEVICE
|
|
#ifdef RT_USING_DBGU
|
|
finsh_set_device("uart0");
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
/* initialize system timer thread */
|
|
rt_system_timer_thread_init();
|
|
|
|
/* initialize idle thread */
|
|
rt_thread_idle_init();
|
|
|
|
/* start scheduler */
|
|
rt_system_scheduler_start();
|
|
|
|
/* never reach here */
|
|
return ;
|
|
}
|
|
|
|
/*@}*/
|