xref: /openbmc/linux/include/soc/tegra/fuse.h (revision 8c0b9ee8)
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 
26 #define TEGRA_FUSE_SKU_CALIB_0	0xf0
27 #define TEGRA30_FUSE_SATA_CALIB	0x124
28 
29 #ifndef __ASSEMBLY__
30 
31 u32 tegra_read_chipid(void);
32 u8 tegra_get_chip_id(void);
33 
34 enum tegra_revision {
35 	TEGRA_REVISION_UNKNOWN = 0,
36 	TEGRA_REVISION_A01,
37 	TEGRA_REVISION_A02,
38 	TEGRA_REVISION_A03,
39 	TEGRA_REVISION_A03p,
40 	TEGRA_REVISION_A04,
41 	TEGRA_REVISION_MAX,
42 };
43 
44 struct tegra_sku_info {
45 	int sku_id;
46 	int cpu_process_id;
47 	int cpu_speedo_id;
48 	int cpu_speedo_value;
49 	int cpu_iddq_value;
50 	int core_process_id;
51 	int soc_speedo_id;
52 	int gpu_speedo_id;
53 	int gpu_process_id;
54 	int gpu_speedo_value;
55 	enum tegra_revision revision;
56 };
57 
58 u32 tegra_read_straps(void);
59 u32 tegra_read_chipid(void);
60 int tegra_fuse_readl(unsigned long offset, u32 *value);
61 
62 extern struct tegra_sku_info tegra_sku_info;
63 
64 #endif /* __ASSEMBLY__ */
65 
66 #endif /* __SOC_TEGRA_FUSE_H__ */
67