?? option.h
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/************************************************
* NAME : OPTION.H *
* BY : HappyHd
* Version : 1.Sep.2006 *
***********************************************/
#ifndef __OPTION_H__
#define __OPTION_H__
#define MCLK (48000000) //系統(tǒng)主頻設(shè)定
#define PLLON 1 // 1 :PLL_ON 0 :PLL_OFF Default=24Mhz
#if (MCLK==24000000) //Fin=10Mhz Fpllo=(PLL_M+8)*Fin/(PLL_P+2)*2
#define PLL_M (16)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==32000000)
#define PLL_M (24)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==40000000)
#define PLL_M (32)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==48000000)
#define PLL_M (40)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==56000000)
#define PLL_M (48)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==60000000)
#define PLL_M (52)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==64000000)
#define PLL_M (56)
#define PLL_P (3)
#define PLL_S (1)
#elif (MCLK==66000000)
#define PLL_M (58)
#define PLL_P (3)
#define PLL_S (1)
#endif
#define WRBUFOPT (0x8) //寫緩沖使能(Enabel write buffer operation)
#define SYSCFG_0KB (0x0|WRBUFOPT) //遲延無效,數(shù)據(jù)異常結(jié)束有效
#define SYSCFG_4KB (0x2|WRBUFOPT) //遲延無效,數(shù)據(jù)異常結(jié)束有效
#define SYSCFG_8KB (0x6|WRBUFOPT) //遲延無效,數(shù)據(jù)異常結(jié)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字節(jié) SDRAM:0x0c000000-0x0c7fffff
#define _ISR_STARTADDRESS 0xc7fff00 //GCS6:64M bits(8M字節(jié)) DRAM/SDRAM
#define Non_Cache_Start (0x2000000)
#define Non_Cache_End (0xc000000)
#endif /*__OPTION_H__*/
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