test.c

DSK6713的RAM测试程序 可以用来做为DSK6713开发前的测试和学习熟悉DSK6713的RAM程序来用

/*             北京精仪达盛科技有限公司
                    Techshine
	         www.techshine.com             */

#include "Config1cfg.h"
#include <stdio.h>
#include <c6x.h>
#include "c6211dsk.h"
#include <csl_pll.h>
#include <csl.h>
int delay=200;
void startPLL();
void wait();
void mem_test();
void main()
{
	startPLL();


/* EMIF interface configuration */
  *(unsigned volatile int *)EMIF_GCR    = 0x3778;    /* EMIF global control      */
  *(unsigned volatile int *)EMIF_CE1    = 0xffffff03;
  *(unsigned volatile int *)EMIF_SDCTRL = 0x57115000; /* EMIF SDRAM control   */ 
  *(unsigned volatile int *)EMIF_CE0    = 0x30;      /* EMIF CE0 control         */
  *(unsigned volatile int *)EMIF_CE2    = 0x30;      /* EMIF CE0 control         */
  *(unsigned volatile int *)EMIF_SDRP   = 0x578;    /* EMIF SDRM refresh period */
  *(unsigned volatile int *)EMIF_SDEXT  = 0x54529;  /* EMIF SDRM extension           */

    mem_test(0x12345680,0x80000000,0xff); 

   *(unsigned volatile int *)IO_PORT = 0x00; /* Turn off all user LEDs*/  
 
  *(unsigned volatile int *)IO_PORT = 0x0D;   /* Display test # on LEDs */
 
}


void startPLL()
{
	PLL_bypass();
	wait();
	PLL_reset();
	wait();
	PLL_setPllRatio(PLL_DIV0,0x00);   /* DIVD0   */
	PLL_enablePllDiv(PLL_DIV0);	

    PLL_setMultiplier(2);            /* Multiply by the number */
    	
	PLL_setOscRatio(0x4);
	PLL_enableOscDiv();
	wait();
	
			
//	PLL_operational();
	PLL_setPllRatio(PLL_DIV1,0x02);    /* dsp core divide bu the number+1*/
	PLL_enablePllDiv(PLL_DIV1);
	wait();
	PLL_setPllRatio(PLL_DIV2,0x05);   /* peripheral sysclk2 divide by the number+1*/
	PLL_enablePllDiv(PLL_DIV2);
	wait();
	PLL_setPllRatio(PLL_DIV3,0x04);   /* sysclk3 divide bu the number+1*/
	PLL_enablePllDiv(PLL_DIV3);
	
	wait();
	wait();
	
	PLL_deassert();
	wait();
	wait();	
	PLL_enable();
	wait();
	wait();	
	return;

}


void mem_test (int pattern, int start_address, int size_in_word )
{
  int i;
  int *mem_ptr = (int *)start_address;

  for(i=0;i<size_in_word;i++)
  {
    *mem_ptr++ = pattern;
  }
}

void wait()
{
    int i;
    for(i=0;i<delay;i++){}
    return;
}