xref: /openbsd/sys/arch/alpha/pci/irongate_bus_io.c (revision 274d7c50)
1 /*	$OpenBSD: irongate_bus_io.c,v 1.4 2008/06/26 05:42:08 ray Exp $	*/
2 /* $NetBSD: irongate_bus_io.c,v 1.4 2000/06/29 08:58:47 mrg Exp $ */
3 
4 /*-
5  * Copyright (c) 2000 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Jason R. Thorpe.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/malloc.h>
36 #include <sys/syslog.h>
37 #include <sys/device.h>
38 
39 #include <uvm/uvm_extern.h>
40 
41 #include <machine/bus.h>
42 
43 #include <alpha/pci/irongatereg.h>
44 #include <alpha/pci/irongatevar.h>
45 
46 #define	CHIP		irongate
47 
48 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct irongate_config *)(v))->ic_mallocsafe)
49 #define	CHIP_IO_EXTENT(v)	(((struct irongate_config *)(v))->ic_io_ex)
50 
51 #define	CHIP_IO_SYS_START(v)	IRONGATE_IO_BASE
52 
53 /*
54  * AMD 751 core logic appears on EV6.  We require at least EV56
55  * support for the assembler to emit BWX opcodes.
56  */
57 __asm(".arch ev6");
58 
59 #include <alpha/pci/pci_bwx_bus_io_chipdep.c>
60