xref: /openbmc/linux/include/soc/tegra/fuse.h (revision a77e393c)
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 #define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
30 
31 #ifndef __ASSEMBLY__
32 
33 u32 tegra_read_chipid(void);
34 u8 tegra_get_chip_id(void);
35 
36 enum tegra_revision {
37 	TEGRA_REVISION_UNKNOWN = 0,
38 	TEGRA_REVISION_A01,
39 	TEGRA_REVISION_A02,
40 	TEGRA_REVISION_A03,
41 	TEGRA_REVISION_A03p,
42 	TEGRA_REVISION_A04,
43 	TEGRA_REVISION_MAX,
44 };
45 
46 struct tegra_sku_info {
47 	int sku_id;
48 	int cpu_process_id;
49 	int cpu_speedo_id;
50 	int cpu_speedo_value;
51 	int cpu_iddq_value;
52 	int soc_process_id;
53 	int soc_speedo_id;
54 	int soc_speedo_value;
55 	int gpu_process_id;
56 	int gpu_speedo_id;
57 	int gpu_speedo_value;
58 	enum tegra_revision revision;
59 };
60 
61 u32 tegra_read_straps(void);
62 u32 tegra_read_ram_code(void);
63 u32 tegra_read_chipid(void);
64 int tegra_fuse_readl(unsigned long offset, u32 *value);
65 
66 extern struct tegra_sku_info tegra_sku_info;
67 
68 #endif /* __ASSEMBLY__ */
69 
70 #endif /* __SOC_TEGRA_FUSE_H__ */
71