cfi.h

/***************************************************************************
 *   Copyright (C) 2005 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef CFI_H
#define CFI_H

#include "flash.h"

#define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
#define CFI_STATUS_POLL_MASK_DQ6_DQ7     0xC0 /* DQ6..DQ7 */

typedef struct cfi_flash_bank_s
{
	working_area_t *write_algorithm;

	int x16_as_x8;
	int jedec_probe;
	int not_cfi;
	int probed;

	u16 manufacturer;
	u16 device_id;

	char qry[3];

	/* identification string */
	u16 pri_id;
	u16 pri_addr;
	u16 alt_id;
	u16 alt_addr;

	/* device-system interface */
	u8 vcc_min;
	u8 vcc_max;
	u8 vpp_min;
	u8 vpp_max;
	u8 word_write_timeout_typ;
	u8 buf_write_timeout_typ;
	u8 block_erase_timeout_typ;
	u8 chip_erase_timeout_typ;
	u8 word_write_timeout_max;
	u8 buf_write_timeout_max;
	u8 block_erase_timeout_max;
	u8 chip_erase_timeout_max;

	u8 status_poll_mask;

	/* flash geometry */
	u32 dev_size;
	u16 interface_desc;
	u16 max_buf_write_size;
	u8 num_erase_regions;
	u32 *erase_region_info;