xref: /netbsd-src/sys/arch/alpha/pci/cia_swiz_bus_mem.c (revision 7663c1deeb1a1eb7d0b8d5910c6bd0391fee5692)
1 /* $NetBSD: cia_swiz_bus_mem.c,v 1.20 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: cia_swiz_bus_mem.c,v 1.20 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/ciareg.h>
42 #include <alpha/pci/ciavar.h>
43 
44 #define	CHIP		cia_swiz
45 
46 #define	CHIP_D_MEM_ARENA(v)	(((struct cia_config *)(v))->cc_d_mem_arena)
47 #define	CHIP_S_MEM_ARENA(v)	(((struct cia_config *)(v))->cc_s_mem_arena)
48 
49 /* Dense region 1 */
50 #define	CHIP_D_MEM_W1_BUS_START(v)	0x00000000UL
51 #define	CHIP_D_MEM_W1_BUS_END(v)	0xffffffffUL
52 #define	CHIP_D_MEM_W1_SYS_START(v)	CIA_PCI_DENSE
53 #define	CHIP_D_MEM_W1_SYS_END(v)	(CIA_PCI_DENSE + 0xffffffffUL)
54 
55 /* Sparse region 1 */
56 #define	CHIP_S_MEM_W1_BUS_START(v)					\
57 	    HAE_MEM_REG1_START(((struct cia_config *)(v))->cc_hae_mem)
58 #define	CHIP_S_MEM_W1_BUS_END(v)					\
59 	    (CHIP_S_MEM_W1_BUS_START(v) + HAE_MEM_REG1_MASK)
60 #define	CHIP_S_MEM_W1_SYS_START(v)					\
61 	    CIA_PCI_SMEM1
62 #define	CHIP_S_MEM_W1_SYS_END(v)					\
63 	    (CIA_PCI_SMEM1 + ((HAE_MEM_REG1_MASK + 1) << 5) - 1)
64 
65 /* Sparse region 2 */
66 #define	CHIP_S_MEM_W2_BUS_START(v)					\
67 	    HAE_MEM_REG2_START(((struct cia_config *)(v))->cc_hae_mem)
68 #define	CHIP_S_MEM_W2_BUS_END(v)					\
69 	    (CHIP_S_MEM_W2_BUS_START(v) + HAE_MEM_REG2_MASK)
70 #define	CHIP_S_MEM_W2_SYS_START(v)					\
71 	    CIA_PCI_SMEM2
72 #define	CHIP_S_MEM_W2_SYS_END(v)					\
73 	    (CIA_PCI_SMEM2 + ((HAE_MEM_REG2_MASK + 1) << 5) - 1)
74 
75 /* Sparse region 3 */
76 #define	CHIP_S_MEM_W3_BUS_START(v)					\
77 	    HAE_MEM_REG3_START(((struct cia_config *)(v))->cc_hae_mem)
78 #define	CHIP_S_MEM_W3_BUS_END(v)					\
79 	    (CHIP_S_MEM_W3_BUS_START(v) + HAE_MEM_REG3_MASK)
80 #define	CHIP_S_MEM_W3_SYS_START(v)					\
81 	    CIA_PCI_SMEM3
82 #define	CHIP_S_MEM_W3_SYS_END(v)					\
83 	    (CIA_PCI_SMEM3 + ((HAE_MEM_REG3_MASK + 1) << 5) - 1)
84 
85 #include <alpha/pci/pci_swiz_bus_mem_chipdep.c>
86