S3C2410_TEST.rar

				//====================================================================
				// File Name : flash.c
				// Function  : S3C2410 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 
				//====================================================================
				
				#include 
				#include "def.h"
				#include "option.h"
				#include "2410addr.h"
				#include "2410lib.h"
				#include "2410slib.h" 
				
				#include "mmu.h"
				#include "am29f800.h"
				//#include "strata.h"
				#include "strata32.h"
				
				static int DownloadData(void);
				
				#if 1
				    // removed because of multiple definition
				extern U32 downloadAddress; 
				extern U32 downloadProgramSize;
				#else
				   U32 downloadAddress; 
				   U32 downloadProgramSize;
				#endif
				
				//==========================================================================================
				void *flashType[][2]=
				{
				    (void *)ProgramAM29F800,     "AM29LV800BB x1      ",
				//  (void *)Program28F640J3A,    "28F640J3A x2        ",    
				    (void *)Program28F128J3A,    "28F128J3A(16MB) x2  ",    
				    0,0
				};
				
				//==========================================================================================
				void ProgramFlash(void)
				{
				    int i=0,whichFlash;
				    char key;
				
				    Uart_Printf("\n[ NOR Flash Memory Writer Ver 0.1 ]\n\n");
				    Uart_Printf("The program buffer : 0x31000000 ~ 0x33ff0000\n");
				    
				    downloadAddress=0x31000000;
				    downloadProgramSize=0x0;
				
				    //MMU_Init();
				    ChangeRomCacheStatus(RW_NCNB);
				    
				    while(1)
				    {   //display menu
				        Uart_Printf("%c : %s",'a'+i,flashType[i][1]);
				        i++;
				        if((int)(flashType[i][0])==0)
				        {
				            Uart_Printf("\n");
				            break;
				        }
				        if((i%4)==0) 
				            Uart_Printf("\n");
				    }
				
				    Uart_Printf("Select the type of a flash memory ? ");
				    whichFlash=Uart_Getch()-'a';
				    Uart_Printf("%c\n",(whichFlash+'a'));
				    //Uart_Printf("\n");
				
				    if( i=(sizeof(flashType)/8)) )
				        return;
				
				    Uart_Printf("Do you want to download through UART0 from 0x%x? [y/n] : ",downloadAddress);
				    key=Uart_Getch();
				    Uart_Printf("%c\n",key);
				    if(key=='y')
				    {
				        if(!DownloadData())
				            return;
				    }
				
				    ( (void (*)(void))(flashType[whichFlash][0]) )();
				}
				
				//==========================================================================================
				static int DownloadData(void)
				{
				    int i,tmp;
				    U16 checkSum=0,dnCS;
				    U32 fileSize=10;
				    U8 *downPt;
				
				    downPt=(U8 *)downloadAddress;
				   
				    Uart_Printf("\ndownloadAddress = %x\n",downloadAddress);
				
				    Uart_Printf("Download the plain binary file(.BHC) to be written\n");
				    Uart_Printf("The file format : (4)+(n)+CS(2)\n");
				    Uart_Printf("To transmit .BIN file : wkocm2 xxx.BIN /1 /d:1\n");
				    Uart_Printf("Download methods : COM:8Bit,NP,1STOP\n");
				 
				    Uart_Printf("\nSTATUS : ");
				    rINTMSK=BIT_ALLMSK;
				    
				    tmp=RdURXH0(); //To remove overrun error state.
				
				    i=0;    
				    while(i				    {
				        while(!(rUTRSTAT0&0x1));
				            *(downPt+i)=RdURXH0();
				        if(i==3)
				        {
				            fileSize=*((U8 *)(downloadAddress+0))+
				            (*((U8 *)(downloadAddress+1))				            (*((U8 *)(downloadAddress+2))				            (*((U8 *)(downloadAddress+3))				        }
				    
				        if((i%1000)==0)
				            WrUTXH0('#');
				        i++;
				    }
				
				    downloadProgramSize=fileSize-6;
				
				    for(i=4;i				    {
				        checkSum+=*((U8 *)(i+downloadAddress));
				    }
				
				    dnCS=*((U8 *)(downloadAddress+fileSize-2))+
				          (*( (U8 *)(downloadAddress+fileSize-1) )				
				    if(checkSum!=dnCS)
				    {
				        Uart_Printf("Checksum Error!!! MEM : %x  DN : %x\n",checkSum,dnCS);
				        return 0;
				    }
				
				    Uart_Printf("\nDownload O.K.\n");
				    return 1;
				}