flash.h

ESS3890+SL原代码（1*16内存）

/* Copyright 2002, ESS Technology, Inc.					*/
/* SCCSID @(#)flash.h	4.1 11/05/02 */

/*
 * $Log$ 
 */

#ifndef _FLASH_H_
#define _FLASH_H_


/************************************************************************
 You must define one and only one of the following.
*************************************************************************/
#define	FLASH_256K_8b
#undef	FLASH_512K_8b
#undef	FLASH_1024K_8b
#undef	FLASH_512Kx2_8b
#undef	FLASH_512Kx2_16b

/************************************************************************
 TOTALBLOCK is the number of blocks per device.
 ROM_SIZE is the total amount of flash you have in Kbytes.
*************************************************************************/
#ifdef FLASH_256K_8b
    #undef	FLASH_16BIT
    #define	ROM_SIZE	256
    #define	TOTALBLOCK	4
#endif

#ifdef FLASH_512K_8b
    #undef	FLASH_16BIT
    #define	ROM_SIZE	512
    #define	TOTALBLOCK	8
#endif

#ifdef FLASH_1024K_8b
    #undef	FLASH_16BIT
    #define	ROM_SIZE	1024
    #define	TOTALBLOCK	16
#endif

#ifdef FLASH_512Kx2_8b
    #undef	FLASH_16BIT
    #define	ROM_SIZE	1024
    #define	TOTALBLOCK	8
#endif

#ifdef FLASH_512Kx2_16b
    #define	FLASH_16BIT
    #define	ROM_SIZE	1024
    #define	TOTALBLOCK	8
#endif

/************************************************************************
 Three defines should cover all cases:
 FLASH_16BIT, ROM_SIZE, TOTALBLOCK
*************************************************************************/
#ifdef FLASH_16BIT
    #define FlashBlockSize	        (0x10000 * 2)
    #define RESET_FLASH *(volatile short *) COM_ADDR[0]=0xf0f0
#else	/* 8-bit bus */
    #define FlashBlockSize	        0x10000
    #define RESET_FLASH *(volatile char *) COM_ADDR[0]=0xf0
#endif

/************************************************************************
 Common
 *************************************************************************/
#ifndef int32
typedef long int32;
#endif

#define FHUGE

/**************************************************************************
 * Public variables
 **************************************************************************/
extern int FLASHBASE;
extern uchar logo4update[];
extern uchar rom4update[];


/**************************************************************************
 * Public routines
 **************************************************************************/
int update_logo(int, int);
int update_flash(int, int);

#endif _FLASH_H_