option.h

来自「以S3C44B0X嵌入式处理器为核心的嵌入式系统硬件平台上进行LCD应用程序的开」· C头文件 代码 · 共 60 行

/*********************************************************************************************
* File：	OPTION.H
* Author:	embest	
* Desc：	Samsung 44B0X CPU optional define
* History:	
*********************************************************************************************/

#ifndef __OPTION_H__
#define __OPTION_H__

/************** OPTIONS **************/
#define FIN   8000000
#define MCLK 64000000
#define PLLON 1

#if (MCLK==64000000)
#define PLL_M (0x38)
#define PLL_P (0x2)
#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)

#elif (MCLK==20000000)
#define PLL_M (0x48)
#define PLL_P (0x3)
#define PLL_S (0x3)
#endif

#define WRBUFOPT 	(0x8)   //write_buf_on

#define SYSCFG_8KBn (0x6)
#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     //GCS6:16M bit DRAM/SDRAM

#define Non_Cache_Start		(0x2000000)
#define Non_Cache_End 		(0xc000000)

#endif /*__OPTION_H__*/