xref: /linux/include/soc/tegra/fuse.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #ifndef __SOC_TEGRA_FUSE_H__
18 #define __SOC_TEGRA_FUSE_H__
19 
20 #define TEGRA20		0x20
21 #define TEGRA30		0x30
22 #define TEGRA114	0x35
23 #define TEGRA124	0x40
24 #define TEGRA132	0x13
25 #define TEGRA210	0x21
26 
27 #define TEGRA_FUSE_SKU_CALIB_0	0xf0
28 #define TEGRA30_FUSE_SATA_CALIB	0x124
29 
30 #ifndef __ASSEMBLY__
31 
32 u32 tegra_read_chipid(void);
33 u8 tegra_get_chip_id(void);
34 
35 enum tegra_revision {
36 	TEGRA_REVISION_UNKNOWN = 0,
37 	TEGRA_REVISION_A01,
38 	TEGRA_REVISION_A02,
39 	TEGRA_REVISION_A03,
40 	TEGRA_REVISION_A03p,
41 	TEGRA_REVISION_A04,
42 	TEGRA_REVISION_MAX,
43 };
44 
45 struct tegra_sku_info {
46 	int sku_id;
47 	int cpu_process_id;
48 	int cpu_speedo_id;
49 	int cpu_speedo_value;
50 	int cpu_iddq_value;
51 	int soc_process_id;
52 	int soc_speedo_id;
53 	int soc_speedo_value;
54 	int gpu_process_id;
55 	int gpu_speedo_id;
56 	int gpu_speedo_value;
57 	enum tegra_revision revision;
58 };
59 
60 u32 tegra_read_straps(void);
61 u32 tegra_read_ram_code(void);
62 u32 tegra_read_chipid(void);
63 int tegra_fuse_readl(unsigned long offset, u32 *value);
64 
65 extern struct tegra_sku_info tegra_sku_info;
66 
67 #endif /* __ASSEMBLY__ */
68 
69 #endif /* __SOC_TEGRA_FUSE_H__ */
70