xref: /netbsd/sys/arch/sparc64/dev/sbusvar.h (revision 8cf919c1)
1 /*	$NetBSD: sbusvar.h,v 1.18 2011/07/01 18:48:37 dyoung 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 */
97 struct 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