init.c

用DSP BF533直接读写操作硬盘的源代码！源代码中有头文件指示了硬盘如何和BF533开发办接口

#include ".\h_file\system.h"

extern void EBIU_init(void);
extern void Init_PLL(void);
extern void Init_SDRAM(void);

void EBIU_init(void)
{
	*pEBIU_AMBCTL0	= 0x7bb07bb0;
	*pEBIU_AMBCTL1	= 0x7bb07bb0;
	*pEBIU_AMGCTL	= 0x00ff;
}

void Init_PLL(void)
{	*pPLL_CTL = 0x1400;	//VCO = 10*CLKIN = 270MHz
	*pPLL_DIV = 0x000a;	//CCLK = VCO = 270MHz; SCLK = VCO/4 = 67.5MHz
				
}

void Init_SDRAM(void)
{
	//SDRAM Refresh Rate Control Register
	*pEBIU_SDRRC = 0x00000817;	

	//SDRAM Memory Bank Control Register
	*pEBIU_SDBCTL = 0x00000013;

	//SDRAM Memory Global Control Register	
	*pEBIU_SDGCTL = 0x0091998d;	
}