option.h

来自「ARM 44b0x培训教程完整源代码下载」· C头文件 代码 · 共 63 行

#ifndef __OPTION_H__
#define __OPTION_H__

// ************* OPTIONS **************

#define MCLK (60000000)

#define PLLON 1

#if (MCLK==66000000)
#define PLL_M (0x3a)
#define PLL_P (0x3)
#define PLL_S (0x1)

#elif (MCLK==60000000)
#define PLL_M (0x34)
#define PLL_P (0x3)
#define PLL_S (0x1)

#elif (MCLK==40000000)
#define PLL_M (0x48)
#define PLL_P (0x3)
#define PLL_S (0x2)
//#define PLL_M (72)
//#define PLL_P (2)
//#define PLL_S (1)

#elif (MCLK==20000000)
#define PLL_M (0x48)
#define PLL_P (0x0)
#define PLL_S (0x3)
#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	//8MB

//#define _ISR_STARTADDRESS 0xc1fff00   //GCS6:16M DRAM
#define _ISR_STARTADDRESS 0xc7fff00     //GCS6:64Mbit(8MB) DRAM/SDRAM

#define CLCD_240_320	(1)
#define MLCD_320_240	(2)
#define LCD_TYPE	MLCD_320_240

// NOTE: rom.mak,option.a have to be changed


#endif /*__OPTION_H__*/