xref: /netbsd/sys/arch/sparc/dev/sbusvar.h (revision 6550d01e)
1 /*	$NetBSD: sbusvar.h,v 1.20 2009/09/17 16:28:12 tsutsui Exp $ */
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Paul Kranenburg.
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  * Copyright (c) 1992, 1993
34  *	The Regents of the University of California.  All rights reserved.
35  *
36  * This software was developed by the Computer Systems Engineering group
37  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
38  * contributed to Berkeley.
39  *
40  * All advertising materials mentioning features or use of this software
41  * must display the following acknowledgement:
42  *	This product includes software developed by the University of
43  *	California, Lawrence Berkeley Laboratory.
44  *
45  * Redistribution and use in source and binary forms, with or without
46  * modification, are permitted provided that the following conditions
47  * are met:
48  * 1. Redistributions of source code must retain the above copyright
49  *    notice, this list of conditions and the following disclaimer.
50  * 2. Redistributions in binary form must reproduce the above copyright
51  *    notice, this list of conditions and the following disclaimer in the
52  *    documentation and/or other materials provided with the distribution.
53  * 3. Neither the name of the University nor the names of its contributors
54  *    may be used to endorse or promote products derived from this software
55  *    without specific prior written permission.
56  *
57  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67  * SUCH DAMAGE.
68  *
69  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
70  */
71 
72 #ifndef _SBUS_VAR_SPARC_H
73 #define _SBUS_VAR_SPARC_H
74 
75 
76 /* variables per Sbus */
77 struct sbus_softc {
78 	device_t sc_dev;		/* base device */
79 	bus_space_tag_t	sc_bustag;
80 	bus_dma_tag_t	sc_dmatag;
81 	bus_space_handle_t sc_bh;	/* SBus control registers */
82 	int	sc_clockfreq;		/* clock frequency (in Hz) */
83 	int	sc_burst;		/* burst transfer sizes supported */
84 
85 	/* MD fields follow here */
86 	int	*sc_intr2ipl;		/* Interrupt level translation */
87 };
88 
89 /*
90  * Macro to convert a PROM virtual address to a bus_space_handle_t.
91  */
92 #define	sbus_promaddr_to_handle(tag, promaddr, hp) sparc_promaddr_to_handle(tag, promaddr, hp)
93 
94 static inline void
95 sparc_promaddr_to_handle(bus_space_tag_t tag, u_int promaddr, bus_space_handle_t *hp)
96 {
97 	*(hp) = (bus_space_handle_t)(promaddr);
98 }
99 
100 #endif /* _SBUS_VAR_SPARC_H */
101