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/*
 * flash.h: flash programming utility - central include file
 *
 * Copyright 2000 Silicon Integrated System Corporation
 * Copyright 2000 Ronald G. Minnich <rminnich@gmail.com>
 * Copyright 2005 coresystems GmbH <stepan@coresystems.de>
 * 
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 *	This program is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *	GNU General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program; if not, write to the Free Software
 *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __FLASH_H__
#define __FLASH_H__ 1

#if defined(__GLIBC__)
#include <sys/io.h>
#endif

#include <unistd.h>
#include <stdint.h>

struct flashchip {
	char *name;
	int manufacture_id;
	int model_id;

	volatile uint8_t *virt_addr;
	int total_size;
	int page_size;

	int (*probe) (struct flashchip *flash);
	int (*erase) (struct flashchip *flash);
	int (*write) (struct flashchip *flash, uint8_t *buf);
	int (*read) (struct flashchip *flash, uint8_t *buf);

	int fd_mem;
	volatile uint8_t *virt_addr_2;
};

extern struct flashchip flashchips[];

#define AMD_ID			0x01
#define AM_29F040B		0xA4
#define AM_29F016D		0xAD

#define ASD_ID			0x25
#define ASD_AE49F2008		0x52

#define ATMEL_ID		0x1F	/* Winbond Manufacture ID code        */
#define AT_29C040A		0xA4	/* Winbond w29c020c device code */

#define MX_ID			0xC2
#define MX_29F002		0xB0

#define SHARP_ID		0xB0
#define SHARP_LHF00L04		0xCF

#define SST_ID			0xBF	/* SST Manufacturer ID code */
#define SST_29EE020A		0x10	/* SST 29EE020 device */
#define SST_28SF040		0x04	/* SST 29EE040 device */
#define SST_39SF010		0xB5	/* SST 39SF010A device */
#define SST_39SF020		0xB6	/* SST 39SF020A device */
#define SST_39SF040		0xB7	/* SST 39SF040 device */
#define SST_39VF020		0xD6	/* SST 39VF020 device */
#define SST_49LF040B		0x50	/* SST 49LF040B device */
#define SST_49LF040		0x51	/* SST 49LF040 device */
#define SST_49LF020A		0x52	/* SST 49LF020A device */
#define SST_49LF080A		0x5B	/* SST 48LF080A device */
#define SST_49LF002A		0x57	/* SST 49LF002A device */
#define SST_49LF003A		0x1B	/* SST 49LF003A device */
#define SST_49LF004A		0x60	/* SST 49LF004A device */
#define SST_49LF008A		0x5A	/* SST 49LF008A device */
#define SST_49LF004C		0x54	/* SST 49LF004C device */
#define SST_49LF008C		0x59	/* SST 49LF008C device */
#define SST_49LF016C		0x5C	/* SST 49LF016C device */
#define SST_49LF160C		0x4C	/* SST 49LF160C device */

#define PMC_ID			0x9D	/* PMC Manufacturer ID code   */
#define PMC_49FL002		0x6D	/* PMC 49FL002 device code      */
#define PMC_49FL004		0x6E	/* PMC 49FL004 device code      */

#define WINBOND_ID		0xDA	/* Winbond Manufacture ID code  */
#define W_29C011		0xC1	/* Winbond w29c011 device code */
#define W_29C020C		0x45	/* Winbond w29c020c device code */
#define W_39V040A		0x3D	/* Winbond w39v040a device code */
#define W_39V040B		0x54	/* Winbond w39v040b device code */
#define W_39V080A		0xD0	/* Winbond w39v080a device code */
#define W_49F002U		0x0B	/* Winbond w49F002u device code */
#define W_49V002A		0xB0	/* Winbond W49V002A device code */
#define W_49V002FA		0x32	/* Winbond W49V002FA device code */

#define ST_ID			0x20
#define ST_M29F040B		0xE2
#define ST_M29F400BT		0xD5

#define EMST_ID			0x8c	/* EMST - Elite Flash Storage Inc. Manufacturer ID code */
#define EMST_F49B002UA		0x00	/* EMST F49B002UA device code */

#define MSYSTEMS_ID		0x156f
#define MSYSTEMS_MD2200		0xdb	/* ? */
#define MSYSTEMS_MD2800		0x30	/* hmm -- both 0x30 */
#define MSYSTEMS_MD2802		0x30	/* hmm -- both 0x30 */

#define SYNCMOS_ID		0x40	/* SyncMOS ID */
#define S29C51001T		0x01	/* SyncMOS S29C51001T/B */
#define S29C51002T		0x02	/* SyncMOS S29C51002T/B */
#define S29C51004T		0x03	/* SyncMOS S29C51004T/B */
#define S29C31004T		0x63	/* SyncMOS S29C31004T */

/* function prototypes from udelay.h */

extern void myusec_delay(int time);
extern void myusec_calibrate_delay();
extern int enable_flash_write(void);

/* physical memory mapping device */

#if defined (__sun) && (defined(__i386) || defined(__amd64))
#  define MEM_DEV "/dev/xsvc"
#else
#  define MEM_DEV "/dev/mem"
#endif

#endif				/* !__FLASH_H__ */