init_sdram.c

来自「BF561外挂TS35ND1501LCD」· C语言 代码 · 共 33 行

#include "main.h"

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

void InitSDRAM(void)
{

	// Check if already enabled
        if (1/**pEBIU_SDSTAT & SDRS*/) {
		*pEBIU_SDBCTL = 0x00000015;					//SDRAM Memory Bank Control Register
		ssync();
		*pEBIU_SDRRC =  0x000003a9;					//SDRAM Refresh Rate Control Register
		ssync();
		*pEBIU_SDGCTL = 0x0091998f;					//SDRAM Memory Global Control Register
		ssync();
	  }

}
void Init_EBIU(void)
{	
	*pEBIU_AMBCTL0	= 0x7bb07bb0;
	*pEBIU_AMBCTL1	= 0xfff0fff0;
	*pEBIU_AMGCTL	= 0x000f;
	
	
	/**pEBIU_AMBCTL0	= 0x7bb07bb0;
	*pEBIU_AMBCTL1	= 0xaac0bbd0;
	*pEBIU_AMGCTL	= 0x008F; */     //16 bit kongzhi 
}