sbusvar.h revision 1.9 
1/*	$OpenBSD: sbusvar.h,v 1.9 2007/05/29 09:54:17 sobrado 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 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *        This product includes software developed by the NetBSD
22 *        Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40/*
41 * Copyright (c) 1992, 1993
42 *	The Regents of the University of California.  All rights reserved.
43 *
44 * This software was developed by the Computer Systems Engineering group
45 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
46 * contributed to Berkeley.
47 *
48 * All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 *	This product includes software developed by the University of
51 *	California, Lawrence Berkeley Laboratory.
52 *
53 * Redistribution and use in source and binary forms, with or without
54 * modification, are permitted provided that the following conditions
55 * are met:
56 * 1. Redistributions of source code must retain the above copyright
57 *    notice, this list of conditions and the following disclaimer.
58 * 2. Redistributions in binary form must reproduce the above copyright
59 *    notice, this list of conditions and the following disclaimer in the
60 *    documentation and/or other materials provided with the distribution.
61 * 3. Neither the name of the University nor the names of its contributors
62 *    may be used to endorse or promote products derived from this software
63 *    without specific prior written permission.
64 *
65 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
66 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
67 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
68 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
69 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
70 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
71 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
72 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
73 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
74 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
75 * SUCH DAMAGE.
76 *
77 *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
78 */
79
80#ifndef _SBUS_VAR_SPARC64_H_
81#define _SBUS_VAR_SPARC64_H_
82
83#include <machine/bus.h>
84
85#include <sparc64/dev/iommuvar.h>
86
87/*
88 * Most devices are configured according to information kept in
89 * the FORTH PROMs.  In particular, we extract the `name', `reg',
90 * and `address' properties of each device attached to the mainbus;
91 * other drives may also use this information.  The mainbus itself
92 * (which `is' the CPU, in some sense) gets just the node, with a
93 * fake name ("mainbus").
94 */
95
96/* variables per SBus */
97struct sbus_softc {
98	struct	device		sc_dev;		/* base device */
99	bus_space_tag_t		sc_bustag;
100	bus_space_handle_t	sc_bh;
101	bus_dma_tag_t		sc_dmatag;
102	int			sc_clockfreq;	/* clock frequency (in Hz) */
103	struct sbus_range	*sc_range;
104	int			sc_nrange;
105	int			sc_burst;	/* burst transfer sizes supported */
106	int			*sc_intr2ipl;	/* Interrupt level translation */
107	int			*sc_intr_compat;/* `intr' property to sbus compat */
108
109	int			sc_ign;		/* Interrupt group number for this sysio */
110	struct iommu_state	sc_is;		/* IOMMU state, see iommureg.h */
111	struct strbuf_ctl	sc_sb;		/* Streaming buffer control */
112	int64_t			sc_flush;	/* Streaming buffer flush */
113	struct sbus_softc	*sc_master;	/* main SBus */
114};
115
116bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);
117
118#endif /* _SBUS_VAR_SPARC64_H_ */
119
120