137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2008-12-11 xuxinming first version
|
|
* 2010-4-3 LiJin add init soft timer thread
|
|
* 2013-05-24 Grissiom port to RM48x50
|
|
*/
|
|
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
|
|
#ifdef RT_USING_FINSH
|
|
#include <finsh.h>
|
|
extern int finsh_system_init(void);
|
|
#endif
|
|
|
|
#include <board.h>
|
|
|
|
/**
|
|
* @addtogroup LPC2478
|
|
*/
|
|
/*@{*/
|
|
|
|
extern int rt_application_init(void);
|
|
#ifdef RT_USING_DEVICE
|
|
extern rt_err_t rt_hw_serial_init(void);
|
|
#endif
|
|
|
|
#ifdef __CC_ARM
|
|
extern int Image$$RW_IRAM1$$ZI$$Limit;
|
|
#elif defined(__GNUC__)
|
|
extern int __bss_end;
|
|
#elif defined(__TI_COMPILER_VERSION__)
|
|
extern unsigned char * const system_data_end;
|
|
#endif
|
|
#define MEMEND 0x08040000
|
|
|
|
void rt_hw_pmu_enable_cnt(void)
|
|
{
|
|
unsigned long tmp;
|
|
|
|
__asm (" MRC p15, #0, r0, c9, c12, #0");
|
|
__asm (" ORR r0, r0, #0x09\n");
|
|
__asm (" MCR p15, #0, r0, c9, c12, #0\n");
|
|
__asm (" MOV r0, #1\n");
|
|
__asm (" RBIT r0, r0\n");
|
|
__asm (" MCR p15, #0, r0, c9, c12, #1\n");
|
|
}
|
|
|
|
void rt_hw_pmu_setcnt(unsigned long val)
|
|
{
|
|
__asm (" MCR p15, #0, r0, c9, c13, #0");
|
|
}
|
|
|
|
unsigned long rt_hw_pmu_getcnt(void)
|
|
{
|
|
__asm (" MRC p15, #0, r0, c9, c13, #0");
|
|
}
|
|
|
|
/**
|
|
* This function will startup RT-Thread RTOS.
|
|
*/
|
|
void rtthread_startup(void)
|
|
{
|
|
/*// RM48 does not have cache implemented
|
|
*rt_hw_cpu_icache_enable();
|
|
*rt_hw_cpu_dcache_enable();
|
|
*/
|
|
|
|
/* init hardware interrupt */
|
|
rt_hw_interrupt_init();
|
|
|
|
/* init board */
|
|
rt_hw_board_init();
|
|
|
|
rt_show_version();
|
|
|
|
/* init timer system */
|
|
rt_system_timer_init();
|
|
|
|
/* init memory system */
|
|
#ifdef RT_USING_HEAP
|
|
#ifdef __CC_ARM
|
|
rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)MEMEND);
|
|
#elif defined(__GNUC__)
|
|
rt_system_heap_init((void*)&__bss_end, (void*)MEMEND);
|
|
#elif defined(__TI_COMPILER_VERSION__)
|
|
rt_system_heap_init((void*)&system_data_end, (void*)MEMEND);
|
|
#else
|
|
#error Unkown compiler
|
|
#endif
|
|
#endif
|
|
|
|
/* init scheduler system */
|
|
rt_system_scheduler_init();
|
|
|
|
/* init application */
|
|
rt_application_init();
|
|
|
|
#ifdef RT_USING_FINSH
|
|
/* init finsh */
|
|
finsh_system_init();
|
|
#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
|
|
finsh_set_device("sci2");
|
|
#endif
|
|
#endif
|
|
|
|
/* init soft timer thread */
|
|
rt_system_timer_thread_init();
|
|
|
|
/* init idle thread */
|
|
rt_thread_idle_init();
|
|
|
|
/* start scheduler */
|
|
rt_system_scheduler_start();
|
|
|
|
/* never reach here */
|
|
return ;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
/* disable interrupt first */
|
|
rt_hw_interrupt_disable();
|
|
|
|
/* invoke rtthread_startup */
|
|
rtthread_startup();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*@}*/
|