xref: /netbsd/sys/arch/alpha/pci/irongate_bus_io.c (revision bf9ec67e)
1 /* $NetBSD: irongate_bus_io.c,v 1.4 2000/06/29 08:58:47 mrg 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
40 
41 __KERNEL_RCSID(1, "$NetBSD: irongate_bus_io.c,v 1.4 2000/06/29 08:58:47 mrg Exp $");
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/malloc.h>
46 #include <sys/syslog.h>
47 #include <sys/device.h>
48 
49 #include <uvm/uvm_extern.h>
50 
51 #include <machine/bus.h>
52 
53 #include <alpha/pci/irongatereg.h>
54 #include <alpha/pci/irongatevar.h>
55 
56 #define	CHIP		irongate
57 
58 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct irongate_config *)(v))->ic_mallocsafe)
59 #define	CHIP_IO_EXTENT(v)	(((struct irongate_config *)(v))->ic_io_ex)
60 
61 #define	CHIP_IO_SYS_START(v)	IRONGATE_IO_BASE
62 
63 /*
64  * AMD 751 core logic appears on EV6.  We require at least EV56
65  * support for the assembler to emit BWX opcodes.
66  */
67 __asm(".arch ev6");
68 
69 #include <alpha/pci/pci_bwx_bus_io_chipdep.c>
70