1 /*-
2 * Copyright (c) 2015 The FreeBSD Foundation
3 *
4 * This software was developed by Semihalf under
5 * the sponsorship of the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32
33 #include <machine/pci_cfgreg.h>
34
35 /*
36 * This file contains stubs for ACPI PCI functions
37 */
38
39 /*
40 * Read configuration space register
41 */
42 uint32_t
pci_cfgregread(int domain,int bus,int slot,int func,int reg,int bytes)43 pci_cfgregread(int domain, int bus, int slot, int func, int reg, int bytes)
44 {
45
46 /* ARM64TODO */
47 panic("pci_cfgregread not implemented");
48 return (0);
49 }
50
51 /*
52 * Write configuration space register
53 */
54 void
pci_cfgregwrite(int domain,int bus,int slot,int func,int reg,uint32_t data,int bytes)55 pci_cfgregwrite(int domain, int bus, int slot, int func, int reg, uint32_t data,
56 int bytes)
57 {
58
59 /* ARM64TODO */
60 panic("pci_cfgregwrite not implemented");
61 }
62
63 /*
64 * Initialize access to configuration space
65 */
66 int
pci_cfgregopen(void)67 pci_cfgregopen(void)
68 {
69
70 /* ARM64TODO */
71 panic("pci_cfgregopen not implemented");
72 return (0);
73 }
74