2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 ucode_probe_t via_probe;
37 ucode_update_t via_update;
39 typedef struct via_fw_header {
40 uint32_t signature; /* Signature. */
41 int32_t revision; /* Unique version number. */
42 uint32_t date; /* Date of creation in BCD. */
43 uint32_t cpu_signature; /* Extended family, extended
44 model, type, family, model
46 uint32_t checksum; /* Sum of all DWORDS should
48 uint32_t loader_revision; /* Version of the loader
49 required to load update. */
50 uint32_t reserverd1; /* Platform IDs encoded in
54 uint8_t reserved2[12];
57 typedef struct via_cpu_signature {
58 uint32_t cpu_signature;
60 } via_cpu_signature_t;
62 #define VIA_HEADER_SIGNATURE 0x53415252
63 #define VIA_LOADER_REVISION 0x00000001