boot_init.h

DSP系统入门与实践源代码

void init_board(void)
{
   #define  PMST    0x001D
   #define  SWWSR   0x0028
   #define  SWCR    0x002B
   #define  BSCR    0x0029
   #define  CLKMD   0x0058
   #define  IMR     0x0000

   #define  PMST_VAL  0x003B
   #define  SWWSR_VAL 0x7fff
   #define  SWCR_VAL  0x0000
   #define  BSCR_VAL 0xf800
   #define  IMR_VAL  0x0000
    *(volatile u16 *)CLKMD=0x0000;
    *(volatile u16 *)SWWSR=PMST_VAL;
    *(volatile u16 *)SWCR=SWCR_VAL;
    *(volatile u16 *)BSCR=BSCR_VAL;
    *(volatile u16 *)IMR=IMR_VAL;

}