/*
 * This file is part of the flashrom project.
 *
 * Copyright (C) 2007, 2008 Carl-Daniel Hailfinger
 *
 * 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; version 2 of the License.
 *
 * 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.
 */

#ifndef __SPI_H__
#define __SPI_H__ 1

/*
 * Contains the generic SPI headers
 */

#define JEDEC_MAX_ADDR_LEN	0x04

/* Read Electronic ID */
#define JEDEC_RDID		0x9f
#define JEDEC_RDID_OUTSIZE	0x01
/* INSIZE may be 0x04 for some chips*/
#define JEDEC_RDID_INSIZE	0x03

/* Some ST M95X model */
#define ST_M95_RDID		0x83
#define ST_M95_RDID_3BA_OUTSIZE	0x04	/* 8b op, 24bit addr where size >64KiB */
#define ST_M95_RDID_2BA_OUTSIZE	0x03	/* 8b op, 16bit addr where size <=64KiB */
#define ST_M95_RDID_OUTSIZE_MAX 0x04	/* ST_M95_RDID_3BA_OUTSIZE */
#define ST_M95_RDID_INSIZE	0x03

/* Some Atmel AT25F* models have bit 3 as don't care bit in commands */
#define AT25F_RDID		0x15	/* 0x15 or 0x1d */
#define AT25F_RDID_OUTSIZE	0x01
#define AT25F_RDID_INSIZE	0x02

/* Read Electronic Manufacturer Signature */
#define JEDEC_REMS		0x90
#define JEDEC_REMS_OUTSIZE	0x04
#define JEDEC_REMS_INSIZE	0x02

/* Read Serial Flash Discoverable Parameters (SFDP) */
#define JEDEC_SFDP		0x5a
#define JEDEC_SFDP_OUTSIZE	0x05	/* 8b op, 24b addr, 8b dummy */
/*      JEDEC_SFDP_INSIZE : any length */

/* Read Electronic Signature */
ChibiOS/commit/os/ex?id=c170c51a12327ce1a403144eb7d3e5150ca69a2e'>More MFS code.