init sdram.c

来自「用BF533的AD程序」· C语言 代码 · 共 23 行

#include "system.h"

/********************************************************************************/
/***** InitSDRAM()															*****/
/********************************************************************************/

// sets up the SDRAM controller so that the SDRAM is accessible
// SDRAM is not used in this project, but provided to easily expand
// this example to larger block sizes


section("L1_code") void InitSDRAM(void)
{

	*pEBIU_SDRRC =  0x00000817;					//SDRAM Refresh Rate Control Register
	*pEBIU_SDBCTL = 0x00000001;					//SDRAM Memory Bank Control Register
	*pEBIU_SDGCTL = 0x0091998d;					//SDRAM Memory Global Control Register

	asm("ssync;");

}