main.c

s3c2443在wince 6.0下的Stepldr和eboot.

	Write_LDI_LTV350(0x14,0x0707);
	Write_LDI_LTV350(0x15,0x0307);
	Write_LDI_LTV350(0x16,0x0707);
	Write_LDI_LTV350(0x17,0x0000);
	Write_LDI_LTV350(0x18,0x0004);
	Write_LDI_LTV350(0x19,0x0000);
#endif
	
	
	// delay about 2 frames
	delayLoop(LCD_DELAY_1MS*50);
	

	///////////////////////////////////////////////////////////////////
	// Display On Sequence
	///////////////////////////////////////////////////////////////////
#if LTV350
	Write_LDI_LTV350(0x09,0x4a55);
	Write_LDI_LTV350(0x0a,0x2000);	
#else
	Write_LDI_LTV350(0x09,0x4a55);
	Write_LDI_LTV350(0x05,0x5003);	

#endif
 
}

static void InitDisplay(void)
{
	UINT8 pagewidth_in_byte=0,offsize_in_byte=0;	
	volatile S3C2443_IOPORT_REG *s2443IOP = (S3C2443_IOPORT_REG *)OALPAtoVA(S3C2443_BASE_REG_PA_IOPORT, FALSE);
	volatile S3C2443_LCD_REG    *s2443LCD = (S3C2443_LCD_REG *)OALPAtoVA(S3C2443_BASE_REG_PA_LCD, FALSE);
	UINT8 clkval=0;
	UINT16 hcync_cnt,vclk_cnt;
	UINT16 lcd_horizon_value,lcd_line_value;
	UINT8 lcd_vbpd,lcd_vfpd,lcd_vspw,lcd_hbpd,lcd_hfpd,lcd_hspw;
	UINT8 lcd_frame_rate;	
	UINT16 * pFB = NULL;
//	int i,j;
	
	
	// Set up the LCD controller registers to display a power-on bitmap image.
	//
	s2443IOP->MISCCR |= (1<<28);  // select LCD controller for TFT lcd controller
	
	
	//s2443IOP->GPCUDP     = 0xFFFFFFFF;
	s2443IOP->GPCCON    = 0xAAAAAAAA;
	                            
	//s2443IOP->GPDUDP     = 0xFFFFFFFF;
	s2443IOP->GPDCON    = 0xAAAAAAAA; 
	
	
	#if 1 // tempory
	s2443IOP->GPBCON = (s2443IOP->GPBCON & ~(3<<8)) | (1<<8); // Backlight Pwm control
	s2443IOP->GPBDAT  |= (1<<8);
	#else // control the backlight using pwm timer output
	s2443IOP->GPBCON = (s2443IOP->GPBCON & ~(3<<8)) | (2<<8); // set Timer out
	#endif
	
	// LCD _nRESET control
	s2443IOP->GPBCON = (s2443IOP->GPBCON & ~(3<<2)) |(1<<2);
	s2443IOP->GPBDAT |= (1<<1);	
	
	switch(LCD_MODULE_TYPE)
	{
		/*
		case LCD_MODULE_LTS222:
			lcd_horizon_value = LTS222_HOZVAL;
			lcd_line_value = LTS222_LINEVAL;
			lcd_vbpd = LTS222_VBPD;
			lcd_vfpd = LTS222_VFPD;
			lcd_vspw = LTS222_VSPW;
			lcd_hbpd = LTS222_HBPD;
			lcd_hfpd = LTS222_HFPD;
			lcd_hspw = LTS222_HSPW;
			lcd_frame_rate = LTS222_FRAME_RATE;
			InitLDI_LTS222();
			break;
		*/		
		case LCD_MODULE_LTV350:
			lcd_horizon_value = LTV350_HOZVAL;
			lcd_line_value = LTV350_LINEVAL;
			lcd_vbpd = LTV350_VBPD;
			lcd_vfpd = LTV350_VFPD;
			lcd_vspw = LTV350_VSPW;
			lcd_hbpd = LTV350_HBPD;
			lcd_hfpd = LTV350_HFPD;
			lcd_hspw = LTV350_HSPW;
			lcd_frame_rate = LTV350_FRAME_RATE;
			InitLDI_LTV350();
			break;
			
		default:
			break;
	}	

	pagewidth_in_byte = lcd_horizon_value/8*16;		
	offsize_in_byte = 0;
	
	//LcdWindowOnOff(LCD_WIN_ALL,LCD_OFF);	
	s2443LCD->WINCON0 &= ~0x01;
	s2443LCD->WINCON1 &= ~0x01;
	
	//LcdEnvidOnOff(LCD_OFF);
	s2443LCD->VIDCON0 &= (~3); // ENVID Off using Per Frame method

	//Basic_Display_Setting(window,WINCONx_16BPP_565,lcd_horizon_value,0);
	
	s2443LCD->VIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;
	
	hcync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
	vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
	clkval = (UINT8)(((float)S3C2443_HCLK/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;	
	
	s2443LCD->VIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT);

	//check point
	s2443LCD->VIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
	
	s2443LCD->VIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
	s2443LCD->VIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
	s2443LCD->VIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
	
	s2443LCD->WINCON0 = (0<<WINCON_SWAP_S)|(WINCONx_4WORD_BURST<<WINCON_BURSTLEN_S)|(WINCONx_16BPP_565<<WINCON_BPP_S); // 4word burst, 16bpp, 
	s2443LCD->VIDOSD0A = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
	s2443LCD->VIDOSD0B = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);	

	s2443LCD->VIDW00ADD0B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE;		
			// buffer end address
	s2443LCD->VIDW00ADD1B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE + (LCD_XSIZE_TFT*LCD_YSIZE_TFT*2);
			// buffer size 
	s2443LCD->VIDW00ADD2B0 = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|(LCD_XSIZE_TFT*2);
	
	
	s2443LCD->WIN0MAP = 0;
	
	s2443LCD->WINCON0 |= (1<<WINCON_SWAP_S);
		
	s2443LCD->WINCON0 |= 0x1;
	s2443LCD->VIDCON0 |= 0x3;  

   	 
        memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, prayer16bpp, LCD_ARRAY_SIZE_TFT_16BIT);
 
      
        
}

#endif

/*
    @func   void | SetIP | Accepts IP address from user input.
    @rdesc  N/A.
    @comm    
    @xref   
*/

static void SetIP(PBOOT_CFG pBootCfg)
{
    CHAR   szDottedD[16];   // The string used to collect the dotted decimal IP address.
    USHORT cwNumChars = 0;
    USHORT InChar = 0;

    EdbgOutputDebugString("\r\nEnter new IP address: ");

    while(!((InChar == 0x0d) || (InChar == 0x0a)))
    {
        InChar = OEMReadDebugByte();
        if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA) 
        {
            // If it's a number or a period, add it to the string.
            //
            if (InChar == '.' || (InChar >= '0' && InChar <= '9')) 
            {
                if (cwNumChars < 16) 
                {
                    szDottedD[cwNumChars++] = (char)InChar;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
            // If it's a backspace, back up.
            //
            else if (InChar == 8) 
            {
                if (cwNumChars > 0) 
                {
                    cwNumChars--;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
        }
    }

    // If it's a carriage return with an empty string, don't change anything.
    //
    if (cwNumChars) 
    {
        szDottedD[cwNumChars] = '\0';
        pBootCfg->EdbgAddr.dwIP = inet_addr(szDottedD);
    }
}


/*
    @func   void | SetMask | Accepts subnet mask from user input.
    @rdesc  N/A.
    @comm    
    @xref   
*/
static void SetMask(PBOOT_CFG pBootCfg)
{
    CHAR szDottedD[16]; // The string used to collect the dotted masks.
    USHORT cwNumChars = 0;
    USHORT InChar = 0;

    EdbgOutputDebugString("\r\nEnter new subnet mask: ");

    while(!((InChar == 0x0d) || (InChar == 0x0a)))
    {
        InChar = OEMReadDebugByte();
        if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA) 
        {
            // If it's a number or a period, add it to the string.
            //
            if (InChar == '.' || (InChar >= '0' && InChar <= '9')) 
            {
                if (cwNumChars < 16) 
                {
                    szDottedD[cwNumChars++] = (char)InChar;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
            // If it's a backspace, back up.
            //
            else if (InChar == 8) 
            {
                if (cwNumChars > 0) 
                {
                    cwNumChars--;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
        }
    }

    // If it's a carriage return with an empty string, don't change anything.
    //
    if (cwNumChars) 
    {
        szDottedD[cwNumChars] = '\0';
        pBootCfg->SubnetMask = inet_addr(szDottedD);
    }
}


/*
    @func   void | SetDelay | Accepts an autoboot delay value from user input.
    @rdesc  N/A.
    @comm    
    @xref   
*/
static void SetDelay(PBOOT_CFG pBootCfg)
{
    CHAR szCount[16];
    USHORT cwNumChars = 0;
    USHORT InChar = 0;

    EdbgOutputDebugString("\r\nEnter maximum number of seconds to delay [1-255]: ");

    while(!((InChar == 0x0d) || (InChar == 0x0a)))
    {
        InChar = OEMReadDebugByte();
        if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA) 
        {
            // If it's a number or a period, add it to the string.
            //
            if ((InChar >= '0' && InChar <= '9')) 
            {
                if (cwNumChars < 16) 
                {
                    szCount[cwNumChars++] = (char)InChar;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
            // If it's a backspace, back up.
            //
            else if (InChar == 8) 
            {
                if (cwNumChars > 0) 
                {
                    cwNumChars--;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
        }
    }

    // If it's a carriage return with an empty string, don't change anything.
    //
    if (cwNumChars) 
    {
        szCount[cwNumChars] = '\0';
        pBootCfg->BootDelay = atoi(szCount);
        if (pBootCfg->BootDelay > 255)
        {
            pBootCfg->BootDelay = 255;
        } 
        else if (pBootCfg->BootDelay < 1)
        {
            pBootCfg->BootDelay = 1;
        }
    }
}


static ULONG mystrtoul(PUCHAR pStr, UCHAR nBase)
{
    UCHAR nPos=0;
    BYTE c;
    ULONG nVal = 0;
    UCHAR nCnt=0;
    ULONG n=0;

    // fulllibc doesn't implement isctype or iswctype, which are needed by
    // strtoul, rather than including coredll code, here's our own simple strtoul.

    if (pStr == NULL)
        return(0);

    for (nPos=0 ; nPos < strlen(pStr) ; nPos++)
    {
        c = tolower(*(pStr + strlen(pStr) - 1 - nPos));
        if (c >= '0' && c <= '9')
            c -= '0';
        else if (c >= 'a' && c <= 'f')
        {
            c -= 'a';
            c  = (0xa + c);
        }

        for (nCnt = 0, n = 1 ; nCnt < nPos ; nCnt++)
        {
            n *= nBase;
        }
        nVal += (n * c);
    }

    return(nVal);
}


static void CvtMAC(USHORT MacAddr[3], char *pszDottedD ) 
{
    DWORD cBytes;
    char *pszLastNum;
    int atoi (const char *s);
    int i=0;    
    BYTE *p = (BYTE *)MacAddr;

    // Replace the dots with NULL terminators
    pszLastNum = pszDottedD;
    for(cBytes = 0 ; cBytes < 6 ; cBytes++)
    {
        while(*pszDottedD != '.' && *pszDottedD != '\0')
        {
            pszDottedD++;
        }
        if (pszDottedD == '\0' && cBytes != 5)
        {
            // zero out the rest of MAC address
            while(i++ < 6)
            {
                *p++ = 0;
            }
            break;
        }
        *pszDottedD = '\0';
        *p++ = (BYTE)(mystrtoul(pszLastNum, 16) & 0xFF);
        i++;
        pszLastNum = ++pszDottedD;
    }
}


static void SetCS8900MACAddress(PBOOT_CFG pBootCfg)
{
    CHAR szDottedD[24];
    USHORT cwNumChars = 0;
    USHORT InChar = 0;

    memset(szDottedD, '0', 24);

    EdbgOutputDebugString ( "\r\nEnter new MAC address in hexadecimal (hh.hh.hh.hh.hh.hh): ");

    while(!((InChar == 0x0d) || (InChar == 0x0a)))
    {
        InChar = OEMReadDebugByte();
        InChar = tolower(InChar);
        if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA) 
        {
            // If it's a hex number or a period, add it to the string.
            //
            if (InChar == '.' || (InChar >= '0' && InChar <= '9') || (InChar >= 'a' && InChar <= 'f')) 
            {
                if (cwNumChars < 17) 
                {
                    szDottedD[cwNumChars++] = (char)InChar;
                    OEMWriteDebugByte((BYTE)InChar);
                }
            }
            else if (InChar == 8)       // If it's a backspace, back up.
            {
                if (cwNumChars > 0) 
                {