xref: /openbsd/sys/arch/alpha/pci/apecs_bus_mem.c (revision 78b63d65)
1 /*	$OpenBSD: apecs_bus_mem.c,v 1.6 2001/11/06 19:53:13 miod Exp $	*/
2 /* $NetBSD: apecs_bus_mem.c,v 1.8 1997/09/02 13:19:12 thorpej 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/apecsreg.h>
42 #include <alpha/pci/apecsvar.h>
43 
44 #define	CHIP	apecs
45 
46 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct apecs_config *)(v))->ac_mallocsafe)
47 #define	CHIP_D_MEM_EXTENT(v)	(((struct apecs_config *)(v))->ac_d_mem_ex)
48 #define	CHIP_S_MEM_EXTENT(v)	(((struct apecs_config *)(v))->ac_s_mem_ex)
49 
50 /* Dense region 1 */
51 #define	CHIP_D_MEM_W1_BUS_START(v)	0x00000000UL
52 #define	CHIP_D_MEM_W1_BUS_END(v)	0xffffffffUL
53 #define	CHIP_D_MEM_W1_SYS_START(v)	APECS_PCI_DENSE
54 #define	CHIP_D_MEM_W1_SYS_END(v)	(APECS_PCI_DENSE + 0xffffffffUL)
55 
56 /* Sparse region 1 */
57 #define	CHIP_S_MEM_W1_BUS_START(v)	0x00000000UL
58 #define	CHIP_S_MEM_W1_BUS_END(v)	0x00ffffffUL
59 #define	CHIP_S_MEM_W1_SYS_START(v)	APECS_PCI_SPARSE
60 #define	CHIP_S_MEM_W1_SYS_END(v)					\
61     (APECS_PCI_SPARSE + (0x01000000UL << 5) - 1)
62 
63 /* Sparse region 2 */
64 #define	CHIP_S_MEM_W2_BUS_START(v)					\
65     ((((struct apecs_config *)(v))->ac_haxr1 & EPIC_HAXR1_EADDR) +	\
66       0x01000000UL)
67 #define	CHIP_S_MEM_W2_BUS_END(v)					\
68     ((((struct apecs_config *)(v))->ac_haxr1 & EPIC_HAXR1_EADDR) +	\
69       0x07ffffffUL)
70 #define	CHIP_S_MEM_W2_SYS_START(v)					\
71     (APECS_PCI_SPARSE + (0x01000000UL << 5))
72 #define	CHIP_S_MEM_W2_SYS_END(v)					\
73     (APECS_PCI_SPARSE + (0x08000000UL << 5) - 1)
74 
75 #include <alpha/pci/pci_swiz_bus_mem_chipdep.c>
76