www.pudn.com > 44B0X_uCOS276.rar > Option.h

#ifndef __OPTION_H__ 
#define __OPTION_H__ 
 
// ************* OPTIONS ************** 
//#define MCLK (48000000)		//系统主频设定 
#define MCLK (60000000)		//系统主频设定 
 
//#define PLLON 1 
 
//Fout = (8 + M_DIV) * Fin / [ (2+P_DIV) * (2^S_DIV) ] 
#if   (MCLK==24000000) 
	#define PLL_M (22) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==32000000) 
	#define PLL_M (32) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==40000000) 
	#define PLL_M (42) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==48000000) 
	#define PLL_M (52) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==56000000) 
	#define PLL_M (62) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==64000000) 
	#define PLL_M (72) 
	#define PLL_P (3) 
	#define PLL_S (1) 
 
#elif (MCLK==60000000) 
	#define PLL_M (0x34) 
	#define PLL_P (3) 
	#define PLL_S (1) 
#endif 
 
#define WRBUFOPT (0x8)   //写缓冲使能（Enabel write buffer operation） 
 
#define SYSCFG_0KB (0x0|WRBUFOPT)		//迟延无效，数据异常结束有效 
#define SYSCFG_4KB (0x2|WRBUFOPT)		//迟延无效，数据异常结束有效 
#define SYSCFG_8KB (0x6|WRBUFOPT)		//迟延无效，数据异常结束有效 
 
//#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 0x0c000000 
//08M字节 SDRAM:0x0c000000-0x0c7fffff 
//16M字节 SDRAM:0x0c000000-0x0cffffff 
//32M字节 SDRAM:0x0c000000-0x0dffffff 
//64M字节 SDRAM:0x0c000000-0x0fffffff 
 
//#define _ISR_STARTADDRESS 0xc3fff00   //GCS6:32M bits(4M字节) DRAM/SDRAM 
#define _ISR_STARTADDRESS 0xc7fff00     //GCS6:64M bits(8M字节) DRAM/SDRAM 
 
#define Non_Cache_Start	(0x2000000) 
//#define Non_Cache_Start	(0x1000000)		//S3C44B0X的特殊寄存器也不使用Cache进行读写 
#define Non_Cache_End 	(0xc000000) 
 
#define TRUE 	1 
#define FALSE 	0 
 
#define OK		1 
#define FAIL	0 
 
#define NULL	0 
 
#define ON		1 
#define OFF		0 
 
#endif /*__OPTION_H__*/