xref: /netbsd-src/sys/arch/alpha/pci/apecs_bus_io.c (revision 7663c1deeb1a1eb7d0b8d5910c6bd0391fee5692)
1 /* $NetBSD: apecs_bus_io.c,v 1.13 2023/12/04 00:32:10 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
31 
32 __KERNEL_RCSID(1, "$NetBSD: apecs_bus_io.c,v 1.13 2023/12/04 00:32:10 thorpej Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/syslog.h>
37 #include <sys/device.h>
38 
39 #include <sys/bus.h>
40 
41 #include <alpha/pci/apecsreg.h>
42 #include <alpha/pci/apecsvar.h>
43 
44 #define	CHIP		apecs
45 
46 #define	CHIP_IO_ARENA(v)	(((struct apecs_config *)(v))->ac_io_arena)
47 
48 /* IO region 1 */
49 #define	CHIP_IO_W1_BUS_START(v)	0x00000000UL
50 #define	CHIP_IO_W1_BUS_END(v)	0x0003ffffUL
51 #define	CHIP_IO_W1_SYS_START(v)	APECS_PCI_SIO
52 #define	CHIP_IO_W1_SYS_END(v)	(APECS_PCI_SIO + (0x00040000UL << 5) - 1)
53 
54 /* IO region 2 */
55 #define	CHIP_IO_W2_BUS_START(v)						\
56     ((((struct apecs_config *)(v))->ac_haxr2 & EPIC_HAXR2_EADDR) +	\
57       0x00040000UL)
58 #define	CHIP_IO_W2_BUS_END(v)						\
59     ((((struct apecs_config *)(v))->ac_haxr2 & EPIC_HAXR2_EADDR) +	\
60       0x00ffffffUL)
61 #define	CHIP_IO_W2_SYS_START(v)	(APECS_PCI_SIO + (0x00040000UL << 5))
62 #define	CHIP_IO_W2_SYS_END(v)	(APECS_PCI_SIO + (0x01000000UL << 5) - 1)
63 
64 #include <alpha/pci/pci_swiz_bus_io_chipdep.c>
65