xref: /netbsd-src/sys/arch/powerpc/include/prep_bus.h (revision c9906b54e37889db6d0f4e4f136e60285acea355)
1*c9906b54Sthorpej /* $NetBSD: prep_bus.h,v 1.4 2021/02/27 01:31:23 thorpej Exp $ */
2d974db0aSgarbled 
3d974db0aSgarbled /*-
4d974db0aSgarbled  * Copyright (c) 2007 The NetBSD Foundation, Inc.
5d974db0aSgarbled  * All rights reserved.
6d974db0aSgarbled  *
7d974db0aSgarbled  * This code is derived from software contributed to The NetBSD Foundation
8d974db0aSgarbled  * by Tim Rightnour
9d974db0aSgarbled  *
10d974db0aSgarbled  * Redistribution and use in source and binary forms, with or without
11d974db0aSgarbled  * modification, are permitted provided that the following conditions
12d974db0aSgarbled  * are met:
13d974db0aSgarbled  * 1. Redistributions of source code must retain the above copyright
14d974db0aSgarbled  *    notice, this list of conditions and the following disclaimer.
15d974db0aSgarbled  * 2. Redistributions in binary form must reproduce the above copyright
16d974db0aSgarbled  *    notice, this list of conditions and the following disclaimer in the
17d974db0aSgarbled  *    documentation and/or other materials provided with the distribution.
18d974db0aSgarbled  *
19d974db0aSgarbled  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20d974db0aSgarbled  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21d974db0aSgarbled  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22d974db0aSgarbled  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23d974db0aSgarbled  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24d974db0aSgarbled  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25d974db0aSgarbled  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26d974db0aSgarbled  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27d974db0aSgarbled  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28d974db0aSgarbled  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29d974db0aSgarbled  * POSSIBILITY OF SUCH DAMAGE.
30d974db0aSgarbled  */
31d974db0aSgarbled 
32d974db0aSgarbled #ifndef _POWERPC_PREP_BUS_H_
33d974db0aSgarbled #define _POWERPC_PREP_BUS_H_
34d974db0aSgarbled 
35d974db0aSgarbled #define PREP_BUS_SPACE_IO		0x80000000
36d974db0aSgarbled #define PREP_BUS_SPACE_MEM		0xC0000000
37d974db0aSgarbled 
38d974db0aSgarbled #define PHYS_TO_BUS_MEM(t,x)		((x) | PREP_BUS_SPACE_IO)
39d974db0aSgarbled #define BUS_MEM_TO_PHYS(t,x)		((x) & ~PREP_BUS_SPACE_IO)
40d974db0aSgarbled 
41d974db0aSgarbled #define PREP_PHYS_SIZE_IO		0x3f800000
42d974db0aSgarbled #define PREP_PHYS_SIZE_MEM		0x3f000000
43d974db0aSgarbled #define PREP_ISA_SIZE_IO		0x00010000
44d974db0aSgarbled #define PREP_ISA_SIZE_MEM		0x01000000
45d974db0aSgarbled #define PREP_EISA_SIZE_IO		0x0000f000
46d974db0aSgarbled #define PREP_EISA_SIZE_MEM		0x3f000000
47d974db0aSgarbled 
48d974db0aSgarbled #define PREP_PHYS_RESVD_START_IO	0x10000
49d974db0aSgarbled #define PREP_PHYS_RESVD_SIZE_IO		0x7F0000
50d974db0aSgarbled 
51d974db0aSgarbled #ifdef _KERNEL
52d974db0aSgarbled extern struct powerpc_bus_space prep_io_space_tag;
53d974db0aSgarbled extern struct powerpc_bus_space genppc_isa_io_space_tag;
54d974db0aSgarbled extern struct powerpc_bus_space prep_mem_space_tag;
55d974db0aSgarbled extern struct powerpc_bus_space genppc_isa_mem_space_tag;
56d974db0aSgarbled 
57d974db0aSgarbled #include <machine/powerpc.h>
58d974db0aSgarbled 
59d974db0aSgarbled void prep_bus_space_init(void);
60*c9906b54Sthorpej void prep_initppc(u_long, u_long, u_int, paddr_t, ...);
61d974db0aSgarbled void mem_regions(struct mem_region **, struct mem_region **);
62d974db0aSgarbled #endif
63d974db0aSgarbled 
64d974db0aSgarbled #endif /* _POWERPC_PREP_BUS_H_ */
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