sbusvar.h revision 1.10 
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 */
90struct 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
109bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);
110
111#endif /* _SBUS_VAR_SPARC64_H_ */
112
113