lcdinit.c.bak

s3c2440 bootloader适用于S3C2440开发板

#include "def.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "Lcd.h"

#define ATLOG

U16 (*frameBuffer16BitTft)[SCR_XSIZE_TFT];

#ifdef ATLOG
#include "bitmap.c"
#endif

void LcdInit(void)
{

	frameBuffer16BitTft = (U16 (*)[SCR_XSIZE_TFT])LCDFRAMEBUFFER;
	rLCDCON1            = (CLKVAL_TFT<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
    	// TFT LCD panel,12bpp TFT,ENVID=off
	rLCDCON2            = (VBPD<<24)|(LINEVAL_TFT<<14)|(VFPD<<6)|(VSPW);
	rLCDCON3            = (HBPD<<19)|(HOZVAL_TFT<<8)|(HFPD);
	rLCDCON4            = (MVAL<<8)|(HSPW);
	rLCDCON5            = (1<<11)|(0<<9)|(0<<8)|(1<<0);	//FRM5:6:5,HSYNC and VSYNC are inverted
	rLCDSADDR1          = (((U32)frameBuffer16BitTft>>22)<<21)|M5D((U32)frameBuffer16BitTft>>1);
	rLCDSADDR2          = M5D( ((U32)frameBuffer16BitTft+(SCR_XSIZE_TFT*LCD_YSIZE_TFT*2))>>1 );
	rLCDSADDR3          = (((SCR_XSIZE_TFT-LCD_XSIZE_TFT)/1)<<11)|(LCD_XSIZE_TFT/1);
	rLCDINTMSK         |= (3);             		// MASK LCD Sub Interrupt
	rTCONSEL           &=~((1<<4)|1);	     	// Disable LCC3600, LPC3600
	rTPAL               = 0;                    // Disable Temp Palette
	
	rLCDCON1           |= 1;                 	// ENVID=ON

}

#ifdef ATLOG
void LcdDrawMap (void)
{
	int x,y;
	int i;
	
	i = 0;  
	for(y=0; y<LCD_YSIZE_TFT; y++){
		for(x=0; x<LCD_XSIZE_TFT; x++)
		frameBuffer16BitTft[y][x]  = ScreenBitmap[i++];
		
    }

}
#endif

void LcdDisplay(void)
{
	LcdInit();
#ifdef ATLOG	
	LcdDrawMap();
#endif	
}