ofw_isa.h revision 117119 
1/*
2 * Copyright (c) 1999, 2000 Matthew R. Green
3 * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org>
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: ebus.c,v 1.26 2001/09/10 16:27:53 eeh Exp
30 *
31 * $FreeBSD: head/sys/sparc64/isa/ofw_isa.h 117119 2003-07-01 14:52:47Z tmm $
32 */
33
34#ifndef _SPARC64_ISA_OFW_ISA_H_
35#define _SPARC64_ISA_OFW_ISA_H_
36
37/*
38 * ISA PROM structures
39 */
40struct isa_regs {
41	u_int32_t	phys_hi;	/* high bits of physaddr */
42	u_int32_t	phys_lo;
43	u_int32_t	size;
44};
45
46#define	ISA_REG_PHYS(r) \
47	((((u_int64_t)((r)->phys_hi)) << 32) | ((u_int64_t)(r)->phys_lo))
48
49/* XXX: this is a guess. Verify... */
50struct isa_ranges {
51	u_int32_t	child_hi;
52	u_int32_t	child_lo;
53	u_int32_t	phys_hi;
54	u_int32_t	phys_mid;
55	u_int32_t	phys_lo;
56	u_int32_t	size;
57};
58
59#define	ISA_RANGE_CHILD(r) \
60	((((u_int64_t)((r)->child_hi)) << 32) | ((u_int64_t)(r)->child_lo))
61#define	ISA_RANGE_PS(r)	(((r)->phys_hi >> 24) & 0x03)
62
63typedef u_int32_t ofw_isa_intr_t;
64
65struct isa_imap {
66	u_int32_t	phys_hi;	/* high phys addr mask */
67	u_int32_t	phys_lo;	/* low phys addr mask */
68	ofw_isa_intr_t	intr;		/* interrupt mask */
69	phandle_t	cnode;		/* child node */
70	ofw_pci_intr_t	cintr;		/* child interrupt */
71};
72
73struct isa_imap_msk {
74	u_int32_t	phys_hi;	/* high phys addr */
75	u_int32_t	phys_lo;	/* low phys addr */
76	ofw_isa_intr_t	intr;		/* interrupt */
77};
78
79/* Map an IO range. Returns the resource type of the range. */
80int ofw_isa_map_iorange(struct isa_ranges *, int, u_long *, u_long *);
81
82#ifdef OFW_NEWPCI
83ofw_pci_intr_t ofw_isa_route_intr(device_t, phandle_t, struct ofw_bus_iinfo *,
84    ofw_isa_intr_t);
85#endif
86
87#endif /* !_SPARC64_ISA_OFW_ISA_H_ */
88