ledtest.c

uboot底层驱动

#include "led.h"
#define READ(addr)  (*((volatile  int *)(addr)))
#define WRITE(addr, data)  (*((volatile int *)(addr)) = (data))
volatile int uu;
volatile int qq;
volatile int jj;
extern int time;
void led_test(void)
{
	time = 0;
	qq = 1;
	jj = 0;
	uu = 0;
	*(volatile unsigned long *)(0x10000000)=0xfffffffe;//enable all
	*(volatile unsigned long *)(0x10000008)=0xEfffffff;//mask
	WRITE(0X10003000, 75000000);
	WRITE(0X10003008, 0x02);
	WRITE(0X10003008, 0x03);
    Led_Init();
	while ( !uu );
}