1/*	$NetBSD: sbusvar.h,v 1.17 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_SPARC64_H_
73#define _SBUS_VAR_SPARC64_H_
74
75#include <sys/bus.h>
76
77/*
78 * Macro to convert a PROM virtual address to a bus_space_handle_t.
79 *
80 * Since this is SBus it's, always big-endian, so use ASI_PRIMARY.
81 */
82#define	sbus_promaddr_to_handle(tag, promaddr, hp)	\
83	sparc_promaddr_to_handle(tag, promaddr, hp)
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	device_t		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	int			sc_burst;	/* burst transfer sizes supported */
104	int			*sc_intr2ipl;	/* Interrupt level translation */
105	int			*sc_intr_compat;/* `intr' property to sbus compat */
106
107	struct sysioreg		*sc_sysio;	/* SBUS control registers */
108	int			sc_ign;		/* Interrupt group number for this sysio */
109	struct iommu_state	sc_is;		/* IOMMU state, see iommureg.h */
110	struct strbuf_ctl	sc_sb;		/* Streaming buffer control */
111	int64_t			sc_flush;	/* Streaming buffer flush */
112};
113
114#endif /* _SBUS_VAR_SPARC64_H_ */
115