ebi.c

三星2413芯片的测试代码,对进行驱动开发很有帮助.

//====================================================================
// File Name : Nand.c
// Function  : S3C2440 8-bit interface Nand Test program(this program use K9k2g16.c).
// Date      : May xx, 2003
// Version   : 0.0
// History
//   R0.0 (200305xx): Modified for 2440 from 2410. -> DonGo
//====================================================================


#include <stdio.h>
#include <stdlib.h>
#include "def.h"
#include "2413addr.h"
#include "ebi.h"
#include "mmucache.h"


void Test_Ebi_MultiBus_Access(void);

void * func_ebi_test[][2]=
{	
//									    "0123456789012345" max 15磊 肺茄沥窍咯 comment窍技夸.
//EBI 	

	(void *)Test_Ebi_MultiBus_Access,				"EBI Multi Bus Access",
	0,0
};

void Ch2_Ebi(void)
{
	int i;
	
	
	printf("\n======  EBI Test program start ======\n");
		
	while(1)
	{
		i=0;
		printf("\n\n");
		while(1)
		{   //display menu
			printf("%2d:%s",i,func_ebi_test[i][1]);
			i++;
			if((int)(func_ebi_test[i][0])==0)
			{
				printf("\n");
				break;
			}
			if((i%4)==0)
			printf("\n");
		}

		printf("\nPress only Enter key to exit : ");
		i = GetIntNum();
		if(i==-1) break;		// return.
		if(i>=0 && (i<((sizeof(func_ebi_test)-1)/8)) )	// select and execute...
			( (void (*)(void)) (func_ebi_test[i][0]) )();
	}
	
	printf("\n====== EBI Test program end ======\n");
}


void Test_Ebi_MultiBus_Access(void)
{

	int i;
	U32 *dataPt;
	
	rBANK_CFG = (rBANK_CFG & ~(1<<4))|(0x3<<6); //bank6,7 = sdram, bank4=sram
	rSMBCR4 = 0x303011;
	rSSMCCR = 0x2;
	rSMBCR4 |= (1<<16);
	printf("BANKCFG:0x%x|CLKDIVN:0x%x|SMBCR4:0x%x|SSMCCR:0x%x\n", rBANK_CFG, rCLKDIVN, rSMBCR4, rSSMCCR);

/*	
	dataPt = (volatile unsigned int *)0x20000000;
	for(i=0; i<0x1000; i++) 
	{
		*dataPt++ = i;
	}
	
	dataPt = (volatile unsigned int *)0x20000000;
	for(i=0; i<0x1000; i++) 
	{
		if( *dataPt++ != i) printf("error is occured at 0x%x\n", i);
	}
	
*/	
	SRAM_Write();
	dataPt = (volatile unsigned int *)0x20000000;
	for(i=0; i<0x80000/4; i++) 
	{
		if( *dataPt++ != 0x20000000+i*4) printf("error is occured at 0x%x\n", i);
	}	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
}