config.h

自己编写移植的基于s3c44b0的bootloader源代码

#ifndef	__CONFIG_H__
#define	__CONFIG_H__

#include "..\inc\def.h"

#define	A07S44B0P_BOARD

#define	SET_SYSCLK_SUPPORT
#define	RTC_TIMER_SUPPORT
#define	HARDWARE_TIMER_SUPPORT
#define	NAND_FLASH_SUPPORT
#define	IIC_ROM_SUPPORT
#define	SERIAL_DOWNLOAD_SUPPORT
#define	XMODEM_DOWNLOAD_SUPPORT

#define	ETHERNET_SUPPORT
#ifdef	ETHERNET_SUPPORT
#define	TFTP_DOWNLOAD_SUPPORT
#endif

#ifdef NAND_FLASH_SUPPORT 
#define	SAVE_ENV_SUPPORT
#endif

#define	TIMER_FREQ	1000

#define	CMD_SHELL_SUPPORT

#define	DEFAULT_IP_ADDR		((192<<24)|(168<<16)|(253<<8)|2)
//默认IP为192.168.253.2
#define	DEFAULT_IP_MASK		(0xffffff00)	//默认子网掩码255.255.255.0
#define	DEFAULT_IP_GATE		((192<<24)|(168<<16)|(253<<8)|1)
//默认网关是192.168.253.1

#define	SERIAL_PORTS		2
#define	DEFAULT_SERIAL_PORT	0
#define	DEFAULT_SERIAL_BAUD	115200


#define	ROM_BASE	0
#define	ROM_SIZE	SIZE_2M
#define	DRAM_BASE	0x0c000000
#define	DRAM_SIZE	SIZE_8M

#define	ROM_END			(ROM_BASE + ROM_SIZE)
#define	DRAM_END		(DRAM_BASE + DRAM_SIZE)
#define	BIOS_RUN_ADDR	(DRAM_END - SIZE_256K)

#define	BOOT_PARAMS_ADDR	(DRAM_BASE+0x100)
#define	BIOS_SIZE			(SIZE_64K)
#define	BIOS_BASE			(ROM_SIZE-BIOS_SIZE)
#define	BIOS_LOAD			(ROM_SIZE-4)
#define BIOS_ENV_ADDR		(ROM_SIZE-0x200)

#define	DFT_DOWNLOAD_ADDR	(DRAM_BASE + 0x8000)
#define	DFT_INITRD_ADDR		(DRAM_BASE + (DRAM_SIZE>>1))

#if (SERIAL_PORTS>1)
#define	SERIAL_PORTS_SWITCH
#endif

#endif	/* __CONFIG_H__ */