FreeBSD/Linux Kernel Cross Reference
sys/x86/include/fdt.h
1 /*-
2 * Copyright (c) 2013 Juniper Networks, Inc.
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 AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/10.0/sys/x86/include/fdt.h 250840 2013-05-21 03:05:49Z marcel $
27 */
28
29 #ifndef _MACHINE_FDT_H_
30 #define _MACHINE_FDT_H_
31
32 #include <machine/intr_machdep.h>
33 #include <x86/bus.h>
34
35 /* Max interrupt number. */
36 #define FDT_INTR_MAX NUM_IO_INTS
37
38 /* Map phandle/intpin pair to global IRQ number */
39 #define FDT_MAP_IRQ(node, pin) \
40 (panic("%s: FDT_MAP_IRQ(%#x, %#x)", __func__, node, pin), -1)
41
42 /* Bus space tag. XXX we only support I/O port space this way. */
43 #define fdtbus_bs_tag X86_BUS_SPACE_IO
44
45 struct mem_region {
46 vm_offset_t mr_start;
47 vm_size_t mr_size;
48 };
49
50 __BEGIN_DECLS
51 int x86_init_fdt(void);
52 __END_DECLS
53
54 #endif /* _MACHINE_FDT_H_ */
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