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      1  1.3  chs /* $NetBSD: flashvar.h,v 1.3 2012/10/27 17:17:55 chs Exp $ */
      2  1.1  igy 
      3  1.1  igy /*
      4  1.1  igy  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  1.1  igy  * All rights reserved.
      6  1.1  igy  *
      7  1.1  igy  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  igy  * by Naoto Shimazaki of YOKOGAWA Electric Corporation.
      9  1.1  igy  *
     10  1.1  igy  * Redistribution and use in source and binary forms, with or without
     11  1.1  igy  * modification, are permitted provided that the following conditions
     12  1.1  igy  * are met:
     13  1.1  igy  * 1. Redistributions of source code must retain the above copyright
     14  1.1  igy  *    notice, this list of conditions and the following disclaimer.
     15  1.1  igy  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  igy  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  igy  *    documentation and/or other materials provided with the distribution.
     18  1.1  igy  *
     19  1.1  igy  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  igy  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  igy  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  igy  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  igy  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  igy  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  igy  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  igy  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  igy  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  igy  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  igy  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  igy  */
     31  1.1  igy 
     32  1.1  igy /*
     33  1.1  igy  * Intel 28F128 Flash Memory driver variables
     34  1.1  igy  */
     35  1.1  igy 
     36  1.1  igy #define FLASH_RESET	0xff
     37  1.1  igy 
     38  1.1  igy 
     39  1.1  igy #define FLASH_ST_BUSY	0x01
     40  1.1  igy 
     41  1.1  igy struct flash_softc {
     42  1.1  igy 	bus_space_tag_t		sc_iot;
     43  1.1  igy 	bus_space_handle_t	sc_ioh;
     44  1.1  igy 	size_t			sc_size;
     45  1.1  igy 	size_t			sc_block_size;
     46  1.1  igy 	int			sc_status;
     47  1.1  igy 	u_int8_t		*sc_buf;
     48  1.1  igy 	const struct flashops {
     49  1.1  igy 		const char	*fo_name;
     50  1.1  igy 		int	(*fo_erase)	(struct flash_softc *, bus_size_t);
     51  1.1  igy 		int	(*fo_write)	(struct flash_softc *, bus_size_t);
     52  1.1  igy 	} *sc_ops;
     53  1.1  igy 
     54  1.1  igy 	int			sc_write_buffer_size;
     55  1.1  igy 	int			sc_typ_word_prog_timo;
     56  1.1  igy 	int			sc_max_word_prog_timo;
     57  1.1  igy 	int			sc_typ_buffer_write_timo;
     58  1.1  igy 	int			sc_max_buffer_write_timo;
     59  1.1  igy 	int			sc_typ_block_erase_timo;
     60  1.1  igy 	int			sc_max_block_erase_timo;
     61  1.1  igy 	u_int8_t		sc_cfi_raw[CFI_TOTAL_SIZE];
     62  1.1  igy };
     63  1.1  igy 
     64  1.1  igy #define flash_block_erase(sc, off)	(sc)->sc_ops->fo_erase((sc), (off))
     65  1.1  igy #define flash_block_write(sc, off)	(sc)->sc_ops->fo_write((sc), (off))
     66  1.1  igy 
     67  1.1  igy #define	FLASH_TIMEOUT	0x40000000
     68