option.h

来自「三星ARM2410的看门狗与中断结合实验」· C头文件 代码 · 共 30 行

#ifndef __OPTION_H__
#define __OPTION_H__

// Note: option.a should be synchronized

#define FCLK	(202800000)
#define HCLK	(202800000/2)
#define PCLK	(202800000/4)
#define UCLK	PCLK

// BUSWIDTH : 16,32
#define BUSWIDTH	(32)

// Memory map
// 0x30000000 ~ 0x30ffffff : Download Area (16MB) Cacheable
// 0x31000000 ~ 0x33feffff : Non-Cacheable Area
// 0x33ff0000 ~ 0x33ff47ff : Heap & RW Area
// 0x33ff4800 ~ 0x33ff7fff : FIQ ~ User Stack Area
// 0x33ff8000 ~ 0x33fffeff : Not Used Area
// 0x33ffff00 ~ 0x33ffffff : Exception & ISR Vector Table

#define _RAM_STARTADDRESS		0x30000000
#define _NONCACHE_STARTADDRESS	0x31000000
#define _ISR_STARTADDRESS		0x33ffff00     
#define _MMUTT_STARTADDRESS		0x33ff8000
#define _STACK_BASEADDRESS		0x33ff8000
#define HEAPEND					0x33ff0000

#endif    //__OPTION_H__