xref: /netbsd-src/sys/arch/alpha/pci/irongate_bus_io.c (revision 7663c1deeb1a1eb7d0b8d5910c6bd0391fee5692)
1 /* $NetBSD: irongate_bus_io.c,v 1.9 2023/12/04 00:32:10 thorpej Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
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 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
33 
34 __KERNEL_RCSID(1, "$NetBSD: irongate_bus_io.c,v 1.9 2023/12/04 00:32:10 thorpej Exp $");
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/syslog.h>
39 #include <sys/device.h>
40 
41 #include <sys/bus.h>
42 
43 #include <alpha/pci/irongatereg.h>
44 #include <alpha/pci/irongatevar.h>
45 
46 #define	CHIP		irongate
47 
48 #define	CHIP_IO_ARENA(v)	(((struct irongate_config *)(v))->ic_io_arena)
49 
50 #define	CHIP_IO_SYS_START(v)	IRONGATE_IO_BASE
51 
52 /*
53  * AMD 751 core logic appears on EV6.  We require at least EV56
54  * support for the assembler to emit BWX opcodes.
55  */
56 __asm(".arch ev6");
57 
58 #include <alpha/pci/pci_bwx_bus_io_chipdep.c>
59