Annotation of sys/arch/alpha/pci/ciavar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ciavar.h,v 1.13 2006/03/16 22:32:44 miod Exp $ */
2: /* $NetBSD: ciavar.h,v 1.17 2000/03/19 01:43:25 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1995, 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 <dev/isa/isavar.h>
32: #include <dev/pci/pcivar.h>
33: #include <alpha/pci/pci_sgmap_pte64.h>
34:
35: /*
36: * A 21171 chipset's configuration.
37: *
38: * All of the information that the chipset-specific functions need to
39: * do their dirty work (and more!).
40: */
41: struct cia_config {
42: int cc_initted;
43:
44: struct alpha_bus_space cc_iot, cc_memt;
45: struct alpha_pci_chipset cc_pc;
46:
47: struct alpha_bus_dma_tag cc_dmat_direct;
48: struct alpha_bus_dma_tag cc_dmat_sgmap;
49:
50: struct alpha_sgmap cc_sgmap;
51:
52: u_int32_t cc_hae_mem;
53: u_int32_t cc_hae_io;
54:
55: u_int32_t cc_rev;
56: u_int32_t cc_cnfg;
57:
58: int cc_flags;
59:
60: #define CCF_ISPYXIS 0x01 /* chip is a 21174 Pyxis */
61: #define CCF_PYXISBUG 0x02
62: #define CCF_PCI_USE_BWX 0x04 /* use BWX for PCI config space */
63: #define CCF_BUS_USE_BWX 0x08 /* use BWX for bus space */
64:
65: struct extent *cc_io_ex, *cc_d_mem_ex, *cc_s_mem_ex;
66: int cc_mallocsafe;
67: };
68:
69: void cia_init(struct cia_config *, int);
70: void cia_pci_init(pci_chipset_tag_t, void *);
71: void cia_dma_init(struct cia_config *);
72:
73: void cia_bwx_bus_io_init(bus_space_tag_t, void *);
74: void cia_bwx_bus_mem_init(bus_space_tag_t, void *);
75:
76: void cia_bus_io_init(bus_space_tag_t, void *);
77: void cia_bus_mem_init(bus_space_tag_t, void *);
78:
79: void cia_pyxis_intr_enable(int, int);
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