xref: /freebsd/sys/arm/nvidia/tegra_efuse.h (revision 73577bf01de5c4677dc54d97f93310286c254780)
1 /*-
2  * Copyright (c) 2016 Michal Meloun <mmel@FreeBSD.org>
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  * $FreeBSD$
27  */
28 
29 #ifndef _TEGRA_EFUSE_H_
30 
31 enum tegra_revision {
32 	TEGRA_REVISION_UNKNOWN = 0,
33 	TEGRA_REVISION_A01,
34 	TEGRA_REVISION_A02,
35 	TEGRA_REVISION_A03,
36 	TEGRA_REVISION_A03p,
37 	TEGRA_REVISION_A04,
38 };
39 
40 struct tegra_sku_info {
41 	u_int chip_id;
42 	u_int sku_id;
43 	u_int cpu_process_id;
44 	u_int cpu_speedo_id;
45 	u_int cpu_speedo_value;
46 	u_int cpu_iddq_value;
47 	u_int soc_process_id;
48 	u_int soc_speedo_id;
49 	u_int soc_speedo_value;
50 	u_int soc_iddq_value;
51 	u_int gpu_process_id;
52 	u_int gpu_speedo_id;
53 	u_int gpu_speedo_value;
54 	u_int gpu_iddq_value;
55 	enum tegra_revision revision;
56 };
57 
58 extern struct tegra_sku_info tegra_sku_info;
59 uint32_t tegra_fuse_read_4(int addr);
60 
61 #endif /* _TEGRA_EFUSE_H_ */
62