xref: /openbsd-src/sys/arch/sparc64/dev/sbusvar.h (revision d874cce4b1d9fe6b41c9e4f2117a77d8a4a37b92)
1 /*	$OpenBSD: sbusvar.h,v 1.10 2008/06/26 05:42:13 ray Exp $	*/
2 /*	$NetBSD: sbusvar.h,v 1.7 1999/06/05 05:30:43 mrg Exp $ */
3 
4 /*-
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Paul Kranenburg.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Copyright (c) 1992, 1993
35  *	The Regents of the University of California.  All rights reserved.
36  *
37  * This software was developed by the Computer Systems Engineering group
38  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
39  * contributed to Berkeley.
40  *
41  * All advertising materials mentioning features or use of this software
42  * must display the following acknowledgement:
43  *	This product includes software developed by the University of
44  *	California, Lawrence Berkeley Laboratory.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. Neither the name of the University nor the names of its contributors
55  *    may be used to endorse or promote products derived from this software
56  *    without specific prior written permission.
57  *
58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68  * SUCH DAMAGE.
69  *
70  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
71  */
72 
73 #ifndef _SBUS_VAR_SPARC64_H_
74 #define _SBUS_VAR_SPARC64_H_
75 
76 #include <machine/bus.h>
77 
78 #include <sparc64/dev/iommuvar.h>
79 
80 /*
81  * Most devices are configured according to information kept in
82  * the FORTH PROMs.  In particular, we extract the `name', `reg',
83  * and `address' properties of each device attached to the mainbus;
84  * other drives may also use this information.  The mainbus itself
85  * (which `is' the CPU, in some sense) gets just the node, with a
86  * fake name ("mainbus").
87  */
88 
89 /* variables per SBus */
90 struct sbus_softc {
91 	struct	device		sc_dev;		/* base device */
92 	bus_space_tag_t		sc_bustag;
93 	bus_space_handle_t	sc_bh;
94 	bus_dma_tag_t		sc_dmatag;
95 	int			sc_clockfreq;	/* clock frequency (in Hz) */
96 	struct sbus_range	*sc_range;
97 	int			sc_nrange;
98 	int			sc_burst;	/* burst transfer sizes supported */
99 	int			*sc_intr2ipl;	/* Interrupt level translation */
100 	int			*sc_intr_compat;/* `intr' property to sbus compat */
101 
102 	int			sc_ign;		/* Interrupt group number for this sysio */
103 	struct iommu_state	sc_is;		/* IOMMU state, see iommureg.h */
104 	struct strbuf_ctl	sc_sb;		/* Streaming buffer control */
105 	int64_t			sc_flush;	/* Streaming buffer flush */
106 	struct sbus_softc	*sc_master;	/* main SBus */
107 };
108 
109 bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);
110 
111 #endif /* _SBUS_VAR_SPARC64_H_ */
112 
113