fdt.h revision 235609
1/*-
2 * Copyright (c) 2010 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Semihalf under sponsorship from
6 * the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/arm/include/fdt.h 235609 2012-05-18 14:41:14Z gber $
30 */
31
32#ifndef _MACHINE_FDT_H_
33#define _MACHINE_FDT_H_
34
35#include <dev/ofw/openfirm.h>
36
37#include <vm/vm.h>
38#include <vm/pmap.h>
39
40#include <machine/bus.h>
41#include <machine/pmap.h>
42#include <machine/intr.h>
43
44/* Max interrupt number */
45#define FDT_INTR_MAX	NIRQ
46
47/* Map phandle/intpin pair to global IRQ number */
48#define	FDT_MAP_IRQ(node, pin)	(pin)
49
50/*
51 * Bus space tag. XXX endianess info needs to be derived from the blob.
52 */
53extern bus_space_tag_t fdtbus_bs_tag;
54
55struct mem_region {
56	vm_offset_t	mr_start;
57	vm_size_t	mr_size;
58};
59
60int fdt_localbus_devmap(phandle_t, struct pmap_devmap *, int, int *);
61int fdt_pci_devmap(phandle_t, struct pmap_devmap *devmap, vm_offset_t,
62    vm_offset_t);
63
64#endif /* _MACHINE_FDT_H_ */
65