prep_bus.h revision 1.2 
1/* $NetBSD: prep_bus.h,v 1.2 2007/10/17 19:56:41 garbled Exp $ */
2
3/*-
4 * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tim Rightnour
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 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _POWERPC_PREP_BUS_H_
40#define _POWERPC_PREP_BUS_H_
41
42#define PREP_BUS_SPACE_IO		0x80000000
43#define PREP_BUS_SPACE_MEM		0xC0000000
44
45#define PHYS_TO_BUS_MEM(t,x)		((x) | PREP_BUS_SPACE_IO)
46#define BUS_MEM_TO_PHYS(t,x)		((x) & ~PREP_BUS_SPACE_IO)
47
48#define PREP_PHYS_SIZE_IO		0x3f800000
49#define PREP_PHYS_SIZE_MEM		0x3f000000
50#define PREP_ISA_SIZE_IO		0x00010000
51#define PREP_ISA_SIZE_MEM		0x01000000
52#define PREP_EISA_SIZE_IO		0x0000f000
53#define PREP_EISA_SIZE_MEM		0x3f000000
54
55#define PREP_PHYS_RESVD_START_IO	0x10000
56#define PREP_PHYS_RESVD_SIZE_IO		0x7F0000
57
58#ifdef _KERNEL
59extern struct powerpc_bus_space prep_io_space_tag;
60extern struct powerpc_bus_space genppc_isa_io_space_tag;
61extern struct powerpc_bus_space prep_mem_space_tag;
62extern struct powerpc_bus_space genppc_isa_mem_space_tag;
63
64#include <machine/powerpc.h>
65
66void prep_bus_space_init(void);
67void prep_initppc(u_long, u_long, u_int);
68void mem_regions(struct mem_region **, struct mem_region **);
69#endif
70
71#endif /* _POWERPC_PREP_BUS_H_ */
72