/* $NetBSD: flashvar.h,v 1.3 2012/10/27 17:17:55 chs Exp $ */

/*
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Naoto Shimazaki of YOKOGAWA Electric Corporation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Intel 28F128 Flash Memory driver variables
 */

#define FLASH_RESET     0xff


#define FLASH_ST_BUSY   0x01

struct flash_softc {
        bus_space_tag_t         sc_iot;
        bus_space_handle_t      sc_ioh;
        size_t                  sc_size;
        size_t                  sc_block_size;
        int                     sc_status;
        u_int8_t                *sc_buf;
        const struct flashops {
                const char      *fo_name;
                int     (*fo_erase)     (struct flash_softc *, bus_size_t);
                int     (*fo_write)     (struct flash_softc *, bus_size_t);
        } *sc_ops;

        int                     sc_write_buffer_size;
        int                     sc_typ_word_prog_timo;
        int                     sc_max_word_prog_timo;
        int                     sc_typ_buffer_write_timo;
        int                     sc_max_buffer_write_timo;
        int                     sc_typ_block_erase_timo;
        int                     sc_max_block_erase_timo;
        u_int8_t                sc_cfi_raw[CFI_TOTAL_SIZE];
};

#define flash_block_erase(sc, off)      (sc)->sc_ops->fo_erase((sc), (off))
#define flash_block_write(sc, off)      (sc)->sc_ops->fo_write((sc), (off))

#define FLASH_TIMEOUT   0x40000000