xref: /openbmc/linux/include/soc/tegra/fuse.h (revision f66501dc)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
4  */
5 
6 #ifndef __SOC_TEGRA_FUSE_H__
7 #define __SOC_TEGRA_FUSE_H__
8 
9 #define TEGRA20		0x20
10 #define TEGRA30		0x30
11 #define TEGRA114	0x35
12 #define TEGRA124	0x40
13 #define TEGRA132	0x13
14 #define TEGRA210	0x21
15 
16 #define TEGRA_FUSE_SKU_CALIB_0	0xf0
17 #define TEGRA30_FUSE_SATA_CALIB	0x124
18 #define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
19 
20 #ifndef __ASSEMBLY__
21 
22 u32 tegra_read_chipid(void);
23 u8 tegra_get_chip_id(void);
24 
25 enum tegra_revision {
26 	TEGRA_REVISION_UNKNOWN = 0,
27 	TEGRA_REVISION_A01,
28 	TEGRA_REVISION_A02,
29 	TEGRA_REVISION_A03,
30 	TEGRA_REVISION_A03p,
31 	TEGRA_REVISION_A04,
32 	TEGRA_REVISION_MAX,
33 };
34 
35 struct tegra_sku_info {
36 	int sku_id;
37 	int cpu_process_id;
38 	int cpu_speedo_id;
39 	int cpu_speedo_value;
40 	int cpu_iddq_value;
41 	int soc_process_id;
42 	int soc_speedo_id;
43 	int soc_speedo_value;
44 	int gpu_process_id;
45 	int gpu_speedo_id;
46 	int gpu_speedo_value;
47 	enum tegra_revision revision;
48 };
49 
50 u32 tegra_read_straps(void);
51 u32 tegra_read_ram_code(void);
52 int tegra_fuse_readl(unsigned long offset, u32 *value);
53 
54 extern struct tegra_sku_info tegra_sku_info;
55 
56 struct device *tegra_soc_device_register(void);
57 
58 #endif /* __ASSEMBLY__ */
59 
60 #endif /* __SOC_TEGRA_FUSE_H__ */
61