1 /*
2 *
3 * Copyright (C) 2008 Advanced Micro Devices, Inc.
4 * Copyright (C) 2009 coresystems GmbH
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
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
30 #include <libpayload-config.h>
31 #include <libpayload.h>
32 #include <coreboot_tables.h>
33
34 /* This pointer gets set in head.S and is passed in from coreboot. */
35 void *cb_header_ptr;
36
37 /* == Architecture specific == */
38
cb_parse_arch_specific(struct cb_record * rec,struct sysinfo_t * info)39 int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info)
40 {
41 switch(rec->tag) {
42 default:
43 return 0;
44 }
45 return 1;
46 }
47
get_coreboot_info(struct sysinfo_t * info)48 int get_coreboot_info(struct sysinfo_t *info)
49 {
50 return cb_parse_header(cb_header_ptr, 1, info);
51 }
52
get_cb_header_ptr(void)53 void *get_cb_header_ptr(void)
54 {
55 return cb_header_ptr;
56 }
57