1/*-
2 * Copyright (c) 2014 The FreeBSD Foundation
3 *
4 * This software was developed by Andrew Turner under
5 * sponsorship from 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 <stand.h>
31#include <efi.h>
32#include <efilib.h>
33#include <fdt_platform.h>
34
35#include "bootstrap.h"
36
37static EFI_GUID fdtdtb = FDT_TABLE_GUID;
38
39int
40fdt_platform_load_dtb(void)
41{
42	struct fdt_header *hdr;
43
44	hdr = efi_get_table(&fdtdtb);
45	if (hdr == NULL)
46		return (1);
47	if (fdt_load_dtb_addr(hdr) != 0)
48		return (1);
49	printf("Using DTB provided by EFI at %p.\n", hdr);
50
51	return (0);
52}
53
54void
55fdt_platform_load_overlays(void)
56{
57
58	fdt_load_dtb_overlays(NULL);
59}
60
61void
62fdt_platform_fixups(void)
63{
64
65	fdt_apply_overlays();
66}
67