xref: /netbsd/sys/dev/mvme/memcvar.h (revision bf9ec67e)
1 /*	$NetBSD: memcvar.h,v 1.1 2002/02/12 20:38:46 scw 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 Steve C. Woodford.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	      This product includes software developed by the NetBSD
21  *	      Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef	_MVME_MEMCVAR_H
40 #define	_MVME_MEMCVAR_H
41 
42 struct memc_softc {
43 	struct device		sc_dev;
44 	bus_space_tag_t		sc_bust;
45 	bus_space_handle_t	sc_bush;
46 	struct evcnt		sc_evcnt;
47 };
48 
49 #define MEMC_NDEVS	2
50 
51 #define	memc_reg_read(sc, off) \
52 	    bus_space_read_1((sc)->sc_bust, (sc)->sc_bush, (off))
53 #define	memc_reg_write(sc, off, v) \
54 	    bus_space_write_1((sc)->sc_bust, (sc)->sc_bush, (off), (v))
55 
56 /*
57  * Some tweakable parameters. Mind you, I don't recommend changing
58  * the ipl...
59  * XXX: This should probably be ipl 7
60  */
61 #ifdef MVME68K
62 #define MEMC_IRQ_LEVEL		6
63 #else
64 #error Define irq level for memory contoller
65 #endif
66 
67 extern	void	memc_init(struct memc_softc *);
68 
69 #endif	/* _MVME_MEMCREG_H */
70