xref: /netbsd-src/sys/arch/alpha/pci/cia_swiz_bus_mem.c (revision 95d875fb90b1458e4f1de6950286ddcd6644bc61)
1 /* $NetBSD: cia_swiz_bus_mem.c,v 1.15 1997/09/02 13:19:22 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: cia_swiz_bus_mem.c,v 1.15 1997/09/02 13:19:22 thorpej Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/malloc.h>
37 #include <sys/syslog.h>
38 #include <sys/device.h>
39 #include <vm/vm.h>
40 
41 #include <machine/bus.h>
42 
43 #include <alpha/pci/ciareg.h>
44 #include <alpha/pci/ciavar.h>
45 
46 #define	CHIP		cia_swiz
47 
48 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct cia_config *)(v))->cc_mallocsafe)
49 #define	CHIP_D_MEM_EXTENT(v)	(((struct cia_config *)(v))->cc_d_mem_ex)
50 #define	CHIP_S_MEM_EXTENT(v)	(((struct cia_config *)(v))->cc_s_mem_ex)
51 
52 /* Dense region 1 */
53 #define	CHIP_D_MEM_W1_BUS_START(v)	0x00000000UL
54 #define	CHIP_D_MEM_W1_BUS_END(v)	0xffffffffUL
55 #define	CHIP_D_MEM_W1_SYS_START(v)	CIA_PCI_DENSE
56 #define	CHIP_D_MEM_W1_SYS_END(v)	(CIA_PCI_DENSE + 0xffffffffUL)
57 
58 /* Sparse region 1 */
59 #define	CHIP_S_MEM_W1_BUS_START(v)					\
60 	    HAE_MEM_REG1_START(((struct cia_config *)(v))->cc_hae_mem)
61 #define	CHIP_S_MEM_W1_BUS_END(v)					\
62 	    (CHIP_S_MEM_W1_BUS_START(v) + HAE_MEM_REG1_MASK)
63 #define	CHIP_S_MEM_W1_SYS_START(v)					\
64 	    CIA_PCI_SMEM1
65 #define	CHIP_S_MEM_W1_SYS_END(v)					\
66 	    (CIA_PCI_SMEM1 + ((HAE_MEM_REG1_MASK + 1) << 5) - 1)
67 
68 /* Sparse region 2 */
69 #define	CHIP_S_MEM_W2_BUS_START(v)					\
70 	    HAE_MEM_REG2_START(((struct cia_config *)(v))->cc_hae_mem)
71 #define	CHIP_S_MEM_W2_BUS_END(v)					\
72 	    (CHIP_S_MEM_W2_BUS_START(v) + HAE_MEM_REG2_MASK)
73 #define	CHIP_S_MEM_W2_SYS_START(v)					\
74 	    CIA_PCI_SMEM2
75 #define	CHIP_S_MEM_W2_SYS_END(v)					\
76 	    (CIA_PCI_SMEM2 + ((HAE_MEM_REG2_MASK + 1) << 5) - 1)
77 
78 /* Sparse region 3 */
79 #define	CHIP_S_MEM_W3_BUS_START(v)					\
80 	    HAE_MEM_REG3_START(((struct cia_config *)(v))->cc_hae_mem)
81 #define	CHIP_S_MEM_W3_BUS_END(v)					\
82 	    (CHIP_S_MEM_W3_BUS_START(v) + HAE_MEM_REG3_MASK)
83 #define	CHIP_S_MEM_W3_SYS_START(v)					\
84 	    CIA_PCI_SMEM3
85 #define	CHIP_S_MEM_W3_SYS_END(v)					\
86 	    (CIA_PCI_SMEM3 + ((HAE_MEM_REG3_MASK + 1) << 5) - 1)
87 
88 #include <alpha/pci/pci_swiz_bus_mem_chipdep.c>
89