fdt.h revision 250840 
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: head/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
45struct mem_region {
46	vm_offset_t	mr_start;
47	vm_size_t	mr_size;
48};
49
50__BEGIN_DECLS
51int x86_init_fdt(void);
52__END_DECLS
53
54#endif /* _MACHINE_FDT_H_ */
55