xref: /openbsd/sys/arch/alpha/pci/irongatevar.h (revision d874cce4)
1 /*	$OpenBSD: irongatevar.h,v 1.5 2008/06/26 05:42:08 ray Exp $	*/
2 /* $NetBSD: irongatevar.h,v 1.3 2000/11/29 06:29:10 thorpej Exp $ */
3 
4 /*-
5  * Copyright (c) 2000 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Jason R. Thorpe.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <dev/isa/isavar.h>
34 #include <dev/pci/pcivar.h>
35 
36 /*
37  * AMD 751 chipset's configuration.
38  *
39  * All of the information that the chipset-specific functions need to
40  * do their dirty work (and more!).
41  */
42 struct irongate_config {
43 	int	ic_initted;
44 
45 	struct alpha_bus_space ic_iot, ic_memt;
46 	struct alpha_pci_chipset ic_pc;
47 
48 	struct alpha_bus_dma_tag ic_dmat_pci;
49 	struct alpha_bus_dma_tag ic_dmat_isa;
50 
51 	u_int32_t ic_rev;
52 
53 	struct extent *ic_io_ex, *ic_mem_ex;
54 	int	ic_mallocsafe;
55 };
56 
57 void	irongate_init(struct irongate_config *, int);
58 void	irongate_pci_init(pci_chipset_tag_t, void *);
59 void	irongate_dma_init(struct irongate_config *);
60 
61 void	irongate_bus_io_init(bus_space_tag_t, void *);
62 void	irongate_bus_mem_init(bus_space_tag_t, void *);
63 
64 void	irongate_bus_mem_init2(bus_space_tag_t, void *);
65 
66 pcireg_t irongate_conf_read0(void *, pcitag_t, int);
67