xref: /openbsd/sys/arch/alpha/pci/cia_bwx_bus_io.c (revision d415bd75)
1 /* $OpenBSD: cia_bwx_bus_io.c,v 1.3 2001/11/06 19:53:13 miod Exp $ */
2 /* $NetBSD: cia_bwx_bus_io.c,v 1.3 2000/06/29 08:58:46 mrg Exp $ */
3 
4 /*
5  * Copyright (c) 1996 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/malloc.h>
34 #include <sys/syslog.h>
35 #include <sys/device.h>
36 
37 #include <uvm/uvm_extern.h>
38 
39 #include <machine/bus.h>
40 
41 #include <alpha/pci/ciareg.h>
42 #include <alpha/pci/ciavar.h>
43 
44 #define	CHIP		cia_bwx
45 
46 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct cia_config *)(v))->cc_mallocsafe)
47 #define	CHIP_IO_EXTENT(v)	(((struct cia_config *)(v))->cc_io_ex)
48 
49 #define	CHIP_IO_SYS_START(v)	CIA_EV56_BWIO
50 
51 /*
52  * CIA core logic with BWX enabled appears on EV56 and PCA56.  We
53  * require at least EV56 support for the assembler to emit BWX opcodes.
54  */
55 __asm(".arch ev56");
56 
57 #include <alpha/pci/pci_bwx_bus_io_chipdep.c>
58