option.h

来自「44b0(arm7)一个参考代码」· C头文件 代码 · 共 37 行

#ifndef __OPTION_H__
#define __OPTION_H__

// ************* OPTIONS **************
//#define MCLK 40000000
#define MCLK 60000000		//Must modify by__michael__

#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 0xc1fff00   //GCS6:16M DRAM
//  #define _ISR_STARTADDRESS 0xc7fff00     //GCS6:64M DRAM/SDRAM
//#ifndef __CACHE_AS_SP__
 // #define _ISR_STARTADDRESS 0x10001400     //cache=0kb, all as sdram
//#else
  #define _ISR_STARTADDRESS 0xc7ff000     //GCS6:64M DRAM/SDRAM
//#endif

#define NonCacheStart	0x2000000
#define NonCacheEnd 	0xc000000

// NOTE: rom.mak,option.a have to be changed
#endif /*__OPTION_H__*/