1 #-
2 # Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
3 # All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
7 # are met:
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
13 #
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 # IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
23 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 #
25 # $FreeBSD$
26
27 #include <sys/bus.h>
28 #include <machine/bus.h>
29
30 #include <dev/ofw/openfirm.h>
31
32 #include <sparc64/pci/ofw_pci.h>
33
34 INTERFACE ofw_pci;
35
36 CODE {
37 static ofw_pci_intr_pending_t ofw_pci_default_intr_pending;
38 static ofw_pci_get_bus_handle_t ofw_pci_default_get_bus_handle;
39 static ofw_pci_adjust_busrange_t ofw_pci_default_adjust_busrange;
40
41 static int
42 ofw_pci_default_intr_pending(device_t dev, ofw_pci_intr_t intr)
43 {
44
45 return (OFW_PCI_INTR_PENDING(device_get_parent(dev), intr));
46 }
47
48 static bus_space_handle_t
49 ofw_pci_default_get_bus_handle(device_t dev, int type,
50 bus_space_handle_t childhdl, bus_space_tag_t *tag)
51 {
52
53 return (OFW_PCI_GET_BUS_HANDLE(device_get_parent(dev), type,
54 childhdl, tag));
55 }
56
57 static void
58 ofw_pci_default_adjust_busrange(device_t dev, u_int busno)
59 {
60
61 return (OFW_PCI_ADJUST_BUSRANGE(device_get_parent(dev), busno));
62 }
63 };
64
65 # Return whether an interrupt request is pending for the INO intr.
66 METHOD int intr_pending {
67 device_t dev;
68 ofw_pci_intr_t intr;
69 } DEFAULT ofw_pci_default_intr_pending;
70
71 # Get the bustag for the root bus. This is needed for ISA old-stlye
72 # in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is
73 # passed. The returned tag is used to construct a tag for the whole ISA bus.
74 METHOD bus_space_handle_t get_bus_handle {
75 device_t dev;
76 int type;
77 bus_space_handle_t childhdl;
78 bus_space_tag_t *tag;
79 } DEFAULT ofw_pci_default_get_bus_handle;
80
81 # Make sure that all PCI bridges up in the hierarchy contain this bus in their
82 # subordinate bus range. This is required because we reenumerate all PCI
83 # buses.
84 METHOD void adjust_busrange {
85 device_t dev;
86 u_int subbus;
87 } DEFAULT ofw_pci_default_adjust_busrange;
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