1/* $NetBSD: flashvar.h,v 1.2 2008/04/28 20:23:22 martin Exp $ */
2
3/*
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Naoto Shimazaki of YOKOGAWA Electric Corporation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Intel 28F128 Flash Memory driver variables
34 */
35
36#define FLASH_RESET	0xff
37
38
39#define FLASH_ST_BUSY	0x01
40
41struct flash_softc {
42	bus_space_tag_t		sc_iot;
43	bus_space_handle_t	sc_ioh;
44	size_t			sc_size;
45	size_t			sc_block_size;
46	int			sc_status;
47	u_int8_t		*sc_buf;
48	const struct flashops {
49		const char	*fo_name;
50		int	(*fo_erase)	(struct flash_softc *, bus_size_t);
51		int	(*fo_write)	(struct flash_softc *, bus_size_t);
52	} *sc_ops;
53
54	int			sc_write_buffer_size;
55	int			sc_typ_word_prog_timo;
56	int			sc_max_word_prog_timo;
57	int			sc_typ_buffer_write_timo;
58	int			sc_max_buffer_write_timo;
59	int			sc_typ_block_erase_timo;
60	int			sc_max_block_erase_timo;
61	u_int8_t		sc_cfi_raw[CFI_TOTAL_SIZE];
62};
63
64#define flash_block_erase(sc, off)	(sc)->sc_ops->fo_erase((sc), (off))
65#define flash_block_write(sc, off)	(sc)->sc_ops->fo_write((sc), (off))
66
67#define	FLASH_TIMEOUT	0x40000000
68