xref: /netbsd-src/sys/arch/rs6000/include/bus_defs.h (revision d6c3db715ead39a9c7f8c8b67adccd230972adf9)
1 /*	$NetBSD: bus_defs.h,v 1.1 2011/07/18 17:26:55 dyoung Exp $	*/
2 /*-
3  * Copyright (c) 2007 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef _RS6000_BUS_DEFS_H_
32 #define _RS6000_BUS_DEFS_H_
33 
34 /*
35  * Values for the Be bus space tag, not to be used directly by MI code.
36  */
37 #define	RS6000_BUS_SPACE_IO	0xC0000000	/* i/o space */
38 #define RS6000_BUS_SPACE_MEM	0xC0000000	/* mem space */
39 
40 /*
41  * Address conversion as seen from a PCI master.
42  */
43 #define MPC105_DIRECT_MAPPED_SPACE	0xC0000000
44 #define PHYS_TO_BUS_MEM(t, x)	((x) | MPC105_DIRECT_MAPPED_SPACE)
45 #define BUS_MEM_TO_PHYS(t, x)	((x) & ~MPC105_DIRECT_MAPPED_SPACE)
46 
47 #ifdef _KERNEL
48 extern struct powerpc_bus_space rs6000_iocc0_io_space_tag;
49 #endif
50 
51 #include <powerpc/bus_defs.h>
52 
53 #endif /* _RS6000_BUS_DEFS_H_ */
54