prep_bus.h revision 1.3 
1/* $NetBSD: prep_bus.h,v 1.3 2008/04/28 20:23:32 martin 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 *
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#ifndef _POWERPC_PREP_BUS_H_
33#define _POWERPC_PREP_BUS_H_
34
35#define PREP_BUS_SPACE_IO		0x80000000
36#define PREP_BUS_SPACE_MEM		0xC0000000
37
38#define PHYS_TO_BUS_MEM(t,x)		((x) | PREP_BUS_SPACE_IO)
39#define BUS_MEM_TO_PHYS(t,x)		((x) & ~PREP_BUS_SPACE_IO)
40
41#define PREP_PHYS_SIZE_IO		0x3f800000
42#define PREP_PHYS_SIZE_MEM		0x3f000000
43#define PREP_ISA_SIZE_IO		0x00010000
44#define PREP_ISA_SIZE_MEM		0x01000000
45#define PREP_EISA_SIZE_IO		0x0000f000
46#define PREP_EISA_SIZE_MEM		0x3f000000
47
48#define PREP_PHYS_RESVD_START_IO	0x10000
49#define PREP_PHYS_RESVD_SIZE_IO		0x7F0000
50
51#ifdef _KERNEL
52extern struct powerpc_bus_space prep_io_space_tag;
53extern struct powerpc_bus_space genppc_isa_io_space_tag;
54extern struct powerpc_bus_space prep_mem_space_tag;
55extern struct powerpc_bus_space genppc_isa_mem_space_tag;
56
57#include <machine/powerpc.h>
58
59void prep_bus_space_init(void);
60void prep_initppc(u_long, u_long, u_int);
61void mem_regions(struct mem_region **, struct mem_region **);
62#endif
63
64#endif /* _POWERPC_PREP_BUS_H_ */
65