flash.c

三星s3c2460开发板完整功能测试代码

//====================================================================
// File Name : flash.c
// Function  : S3C2460 Flash Program
// Program   : Kong, In Wook (KIW)
// Date      : May 30, 2002
// Version   : 0.0
// History
//   0.0 : Programming start (May 30,2002) -> KIW
//          Arrangement source code(8/01/2002)-> SOP 
//			Edited for SMDK2460(07/07/2003) -> Junon
//====================================================================

#include <string.h>
#include "def.h"
#include "option.h"
#include "2460addr.h"
#include "2460lib.h"
#include "2460slib.h" 

#include "mmu.h"
#include "am29f800.h"
#include "strata16.h"


unsigned int downloadAddress; 
unsigned int downloadProgramSize;


//==========================================================================================
void *flashType[][2]=
{
	(void *)ProgramAM29F800,     "AM29LV800BB x1      ",
	(void *)Program28F256K3_16Bit,    "28F256K3(16MB)  ",    
//	(void *)Erase28F256K3_16Bit, 	 "Erase 28F256K3	",		
    0,0
};

//==========================================================================================
void ProgramFlash(void)
{
    int i=0,whichFlash;
    char key;

    printf("\n[ NOR Flash Memory Writer Ver 0.1 ]\n\n");
  #if (WHICH_PORT==2)
    printf("The program buffer : 0x21000000 ~ 0x21ff0000\n");
  #else
    printf("The program buffer : 0x11000000 ~ 0x11ff0000\n");
  #endif
    
    //org
    //downloadAddress=0x11000000;
    //khs(050909)
    downloadAddress=_NONCACHE_STARTADDRESS;
    
    downloadProgramSize=0x0;

    //MMU_Init();
    ChangeRomCacheStatus(RW_NCNB);
    
    while(1)
    {   //display menu
        printf("%2d:%s",i,flashType[i][1]);
        i++;
        if((int)(flashType[i][0])==0)
        {
            printf("\n");
            break;
        }
        if((i%4)==0) 
            printf("\n");
    }

    printf(" (NOTE!! Before selection, adjust the switches[S1,S2,S38] for NOR Boot Condition)\n");
    printf("Select the type of a flash memory (D=0)? ");
    whichFlash = GetIntNum();
    if (whichFlash == (-1)) whichFlash = 0;
    
    if(whichFlash==0)
    {
	    printf("\n[Check AM29LVxxx]\n");
	    switch(AM29F800_CheckId())  //04.01.12 junon
	    {
			case 1 :
			    printf("This device is AM29LV200B!\n");	
			    break;
			case 2 :
			    printf("This device is AM29LV400B!\n");	
			    break;
			case 3 :
			    printf("This device is AM29LV800B!\n");	
			    break;
			case 4 :
			    printf("This device is AM29LV160B!\n");	
			    break;
	    	default:
			    printf("ID Check Error!!!\n");
			    return;
	    }    
    }

    if( i<0 || (i>=(sizeof(flashType)/8)) )
        return;

    printf("\nDo you want to download through UART0 from 0x%x? [y/N/c] : ",downloadAddress);
    key=getchar();
    if(key=='y')
    {
        if(!DownloadData())
            return;
    }
    else if(key=='c')
		return;
	
    ( (void (*)(void))(flashType[whichFlash][0]) )();
}

//==========================================================================================
int DownloadData(void)
{
    int i,tmp;
    unsigned short checkSum=0,dnCS;
    unsigned int fileSize=10;
    unsigned char *downPt;

    downPt=(unsigned char *)downloadAddress;
   
    printf("\ndownloadAddress = %x\n",downloadAddress);

    ChangeRomCacheStatus(RW_NCNB);

    printf("Download the plain binary file(.BHC) to be written\n");
    printf("The file format : <n+6>(4)+(n)+CS(2)\n");
    printf("To transmit .BIN file : wkocm2 xxx.BIN /1 /d:1\n");
    printf("Download methods : COM:8Bit,NP,1STOP\n");
 
    printf("\nSTATUS : ");
    rINTMSK=BIT_ALLMSK;
    
    tmp=RdURXH0(); //To remove overrun error state.

    i=0;    
    while(i<fileSize)
    {
        while(!(rUTRSTAT0&0x1));
            *(downPt+i)=RdURXH0();
        if(i==3)
        {
            fileSize=*((unsigned char *)(downloadAddress+0))+
            (*((unsigned char *)(downloadAddress+1))<<8)+
            (*((unsigned char *)(downloadAddress+2))<<16)+
            (*((unsigned char *)(downloadAddress+3))<<24);
        }
    
        if((i%1000)==0)
            WrUTXH0('#');
        i++;
    }

    downloadProgramSize=fileSize-6;

    for(i=4;i<(fileSize-2);i++)
    {
        checkSum+=*((unsigned char *)(i+downloadAddress));
    }

    dnCS=*((unsigned char *)(downloadAddress+fileSize-2))+
          (*( (unsigned char *)(downloadAddress+fileSize-1) )<<8);

    if(checkSum!=dnCS)
    {
        printf("Checksum Error!!! MEM : %x  DN : %x\n",checkSum,dnCS);
        return 0;
    }

    printf("\nDownload O.K.\n");
    return 1;
}



static int DownloadImage(void)
{
    int i,j,tmp;
    unsigned short checkSum=0,dnCS;
    unsigned int fileSize=10;
    unsigned char *downPt;

    downPt=(unsigned char *)downloadAddress;
   
    printf("\ndownloadAddress = %x\n",downloadAddress);

    ChangeRomCacheStatus(RW_NCNB);
    
    printf("Download the plain binary file(.BHC) to be written\n");
    printf("The file format : <n+6>(4)+(n)+CS(2)\n");
    printf("To transmit .BIN file : wkocm2 xxx.BIN /1 /d:1\n");
    printf("Download methods : COM:8Bit,NP,1STOP\n");
 
    printf("\nSTATUS : ");
    rINTMSK=BIT_ALLMSK;
    
    tmp=RdURXH0(); //To remove overrun error state.

    i=0;
    j=0;
    while(i<fileSize)
    {
        while(!(rUTRSTAT0&0x1));
            *(downPt+j)=RdURXH0();
	 j++;		
        if(i==3)
        {
            fileSize=*((unsigned char *)(downloadAddress+0))+
            (*((unsigned char *)(downloadAddress+1))<<8)+
            (*((unsigned char *)(downloadAddress+2))<<16)+
            (*((unsigned char *)(downloadAddress+3))<<24);
	     j = 0;		
        }
    
        if((i%1000)==0)
            WrUTXH0('#');
        i++;
    }

    downloadProgramSize=fileSize-6;

    for(i=0;i<(fileSize-2-4);i++)
    {
        checkSum+=*((unsigned char *)(i+downloadAddress));
    }

    dnCS=*((unsigned char *)(downloadAddress+fileSize-2-4))+
          (*( (unsigned char *)(downloadAddress+fileSize-1-4) )<<8);

    if(checkSum!=dnCS)
    {
        printf("Checksum Error!!! MEM : %x  DN : %x\n",checkSum,dnCS);
        return 0;
    }

    printf("\nDownload O.K.\n");
    return 1;
}


void DownloadBinary(void)
{
    int i=0, tmp;
    char key;
    unsigned short checkSum=0,dnCS;
    unsigned int fileSize=10;
    unsigned char *downPt;

    printf("\n[ Writing Binary Data to Memory]\n\n");
  #if (WHICH_PORT==2)
    printf("Set Download Address[D=0x21000000] : ");
  #else
    printf("Set Download Address[D=0x11000000] : ");
  #endif
    i = GetIntNum();
    //org
    //if (i== (-1)) i = 0x11000000;
    //khs(050909)
    if (i== (-1)) i = _NONCACHE_STARTADDRESS;
    printf("\n");

    downloadAddress=i;
    downloadProgramSize=0x0;

    //MMU_Init();
    ChangeRomCacheStatus(RW_NCNB);
    
    printf("Do you want to download through UART0 from 0x%x? [Y/n] : ",downloadAddress);
    key=getchar();
    printf("%c\n",key);
    if(key=='n') return;

    DownloadImage();       

}