option.h

三星S3C44B0X的一个DEMO代码,实现LCD显示时钟运行.

#ifndef __OPTION_H__
#define __OPTION_H__ 

// ************* OPTIONS **************
#define DEBUG		1

#define	DFT_DOWNLOAD_ADDR	0xc008000

//#define	EXT_OSC_CLK	 8000000
#define	EXT_OSC_CLK	10000000

#define MAINCLK 60000000		//系统主频设定

//#define PLLON 1
//Fout = (8 + M_DIV) * Fin / [ (2+P_DIV) * (2^S_DIV) ]
//以下设置是在外部晶振频率为10MHz下的参数设置：
#if   (MAINCLK==40000000)
	#define PLL_M (0x48)    //Fin=10MHz Fout=40MHz
	#define PLL_P (3)
	#define PLL_S (2)

#elif (MAINCLK==50000000)
	#define PLL_M (0x2a)    //Fin=10MHz Fout=50MHz
	#define PLL_P (3)
	#define PLL_S (1)

#elif (MAINCLK==60000000)
	#define PLL_M (0x34)    //;Fin=10MHz Fout=60MHz
	#define PLL_P (3)
	#define PLL_S (1)

#elif (MAINCLK==66000000)
	#define PLL_M (0x3a)    //Fin=10MHz Fout=66MHz
	#define PLL_P (3)
	#define PLL_S (1)

#elif (MAINCLK==75000000)
	#define PLL_M (0x43)    //Fin=10MHz Fout=75MHz
	#define PLL_P (3)
	#define PLL_S (1)

#endif


#define WRBUFOPT (0x8)   //write_buf_on

#define SYSCFG_0KB (0x0|WRBUFOPT)
#define SYSCFG_4KB (0x2|WRBUFOPT)
#define SYSCFG_8KB (0x6|WRBUFOPT) 

#define DRAM	    1		//In case DRAM is used
#define SDRAM	    2		//In case SDRAM is used
#define BDRAMTYPE   SDRAM	//used in power.c,44blib.c

//BUSWIDTH; 16,32
#define BUSWIDTH    (16)

#define CACHECFG    SYSCFG_8KB

#define _RAM_STARTADDRESS 0xc000000
#define _ISR_STARTADDRESS 0xc7fff00     //GCS6:64M DRAM/SDRAM

#define Non_Cache_Start	(0x0000000)
#define Non_Cache_End 	(0x2000000)

#define Non_Cache_Start_SDRAM	(0xc300000)
#define Non_Cache_End_SDRAM 	(0xc200000)

#define MLCD_240_320	(1)
#define MLCD_320_240	(2)
#define CLCD_240_320	(3)
#define CLCD_320_240	(4)

//#define LCD_TYPE	MLCD_240_320
//#define LCD_TYPE	MLCD_320_240
//#define LCD_TYPE	CLCD_240_320
#define LCD_TYPE	CLCD_320_240

#define	LEDPort	rPDATC
#define	LED0_ON	0x1f8
#define	LED1_ON	0x1f4
#define	LED2_ON	0x1f2
#define	ShowLed(LedStatus)	LEDPort = (LedStatus)

#endif /*__OPTION_H__*/