option.h

一个简单的基于s3c2410的bootloader

//===================================================================
//option.h
//===================================================================

#ifndef	__OPTION_H_
#define	__OPTION_H_

#define	FCLK					202800000
#define	HCLK 					(FCLK/2)
#define	PCLK 					(FCLK/4)
#define	UCLK					48000000

//64MB
// 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

#define _IRQ_STARTADDRESS 	( _ISR_STARTADDRESS + 0x20 )

//
#define _DEBUG					1

#endif