ofw_nexus.h revision 139825 
1/*-
2 * Copyright (c) 1998, 1999 Eduardo E. Horvath
3 * Copyright (c) 1999 Matthew R. Green
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	from: NetBSD: psychoreg.h,v 1.8 2001/09/10 16:17:06 eeh Exp
30 *
31 * $FreeBSD: head/sys/sparc64/include/ofw_nexus.h 139825 2005-01-07 02:29:27Z imp $
32 */
33
34#ifndef _MACHINE_OFW_UPA_H_
35#define _MACHINE_OFW_UPA_H_
36
37/*
38 * These are the regs and ranges property the psycho uses. They should be
39 * applicable to all UPA devices. XXX: verify this.
40 */
41
42struct upa_regs {
43	u_int32_t	phys_hi;
44	u_int32_t	phys_lo;
45	u_int32_t	size_hi;
46	u_int32_t	size_lo;
47};
48
49struct upa_ranges {
50	u_int32_t	cspace;
51	u_int32_t	child_hi;
52	u_int32_t	child_lo;
53	u_int32_t	phys_hi;
54	u_int32_t	phys_lo;
55	u_int32_t	size_hi;
56	u_int32_t	size_lo;
57};
58
59#define	UPA_REG_PHYS(r) \
60	(((u_int64_t)(r)->phys_hi << 32) | (u_int64_t)(r)->phys_lo)
61#define	UPA_REG_SIZE(r) \
62	(((u_int64_t)(r)->size_hi << 32) | (u_int64_t)(r)->size_lo)
63
64#define	UPA_RANGE_CHILD(r) \
65	(((u_int64_t)(r)->child_hi << 32) | (u_int64_t)(r)->child_lo)
66#define	UPA_RANGE_PHYS(r) \
67	(((u_int64_t)(r)->phys_hi << 32) | (u_int64_t)(r)->phys_lo)
68#define	UPA_RANGE_SIZE(r) \
69	(((u_int64_t)(r)->size_hi << 32) | (u_int64_t)(r)->size_lo)
70#define	UPA_RANGE_CS(r)		(((r)->cspace >> 24) & 0x03)
71
72#endif /* !_MACHINE_OFW_UPA_H_ */
73