144 lines
2.8 KiB
C
144 lines
2.8 KiB
C
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/*
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* File : startup.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009 - 2011, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2011-02-24 Bernard first implementation
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "board.h"
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#include "mb9bf506r.h"
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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#endif
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/**
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* @addtogroup FM3
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*/
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extern struct serial_device uart0;
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extern struct rt_device uart0_device;
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extern struct serial_device uart2;
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extern struct rt_device uart2_device;
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/*@{*/
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extern int rt_application_init(void);
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#ifdef RT_USING_FINSH
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extern void finsh_system_init(void);
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#endif
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#ifdef __CC_ARM
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#elif __ICCARM__
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#pragma section="HEAP"
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#else
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extern int __bss_end;
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#endif
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/**
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* This function will startup RT-Thread RTOS.
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*/
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void rtthread_startup(void)
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{
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/* init board */
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rt_hw_board_init();
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/* show version */
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rt_show_version();
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/* init tick */
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rt_system_tick_init();
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/* init kernel object */
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rt_system_object_init();
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/* init timer system */
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rt_system_timer_init();
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#ifdef RT_USING_HEAP
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#ifdef __CC_ARM
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rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)FM3_SRAM_END);
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#elif __ICCARM__
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rt_system_heap_init(__segment_end("HEAP"), (void*)FM3_SRAM_END);
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#else
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/* init memory system */
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rt_system_heap_init((void*)&__bss_end, (void*)FM3_SRAM_END);
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#endif
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#endif
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/* init scheduler system */
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rt_system_scheduler_init();
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#ifdef RT_USING_DEVICE
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/* register uart0 */
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rt_hw_serial_register(&uart0_device, "uart0",
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RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
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&uart0);
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/* register uart2, used for RTI debug */
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rt_hw_serial_register(&uart2_device, "uart2",
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RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
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&uart2);
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#ifdef RT_USING_DFS
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#ifdef RT_USING_DFS_UFFS
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rt_hw_nand_init();
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#endif
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#endif
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/*init all registed devices */
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rt_device_init_all();
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#endif
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/* init application */
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rt_application_init();
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#ifdef RT_USING_FINSH
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/* init finsh */
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finsh_system_init();
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#ifdef RT_USING_DEVICE
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finsh_set_device("uart2");
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#endif
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#endif
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/* init timer thread */
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rt_system_timer_thread_init();
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/* init idle thread */
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rt_thread_idle_init();
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return ;
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}
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int main(void)
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{
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rt_uint32_t UNUSED level;
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/* disable interrupt first */
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level = rt_hw_interrupt_disable();
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/* init system setting */
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SystemInit();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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return 0;
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}
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/*@}*/
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