1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2012-2023, NVIDIA CORPORATION. All rights reserved.
4 */
5
6 #ifndef __SOC_TEGRA_FUSE_H__
7 #define __SOC_TEGRA_FUSE_H__
8
9 #include <linux/types.h>
10
11 #define TEGRA20 0x20
12 #define TEGRA30 0x30
13 #define TEGRA114 0x35
14 #define TEGRA124 0x40
15 #define TEGRA132 0x13
16 #define TEGRA210 0x21
17 #define TEGRA186 0x18
18 #define TEGRA194 0x19
19 #define TEGRA234 0x23
20 #define TEGRA241 0x24
21 #define TEGRA264 0x26
22
23 #define TEGRA_FUSE_SKU_CALIB_0 0xf0
24 #define TEGRA30_FUSE_SATA_CALIB 0x124
25 #define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
26
27 #ifndef __ASSEMBLY__
28
29 enum tegra_revision {
30 TEGRA_REVISION_UNKNOWN = 0,
31 TEGRA_REVISION_A01,
32 TEGRA_REVISION_A02,
33 TEGRA_REVISION_A03,
34 TEGRA_REVISION_A03p,
35 TEGRA_REVISION_A04,
36 TEGRA_REVISION_MAX,
37 };
38
39 enum tegra_platform {
40 TEGRA_PLATFORM_SILICON = 0,
41 TEGRA_PLATFORM_QT,
42 TEGRA_PLATFORM_SYSTEM_FPGA,
43 TEGRA_PLATFORM_UNIT_FPGA,
44 TEGRA_PLATFORM_ASIM_QT,
45 TEGRA_PLATFORM_ASIM_LINSIM,
46 TEGRA_PLATFORM_DSIM_ASIM_LINSIM,
47 TEGRA_PLATFORM_VERIFICATION_SIMULATION,
48 TEGRA_PLATFORM_VDK,
49 TEGRA_PLATFORM_VSP,
50 TEGRA_PLATFORM_MAX,
51 };
52
53 struct tegra_sku_info {
54 int sku_id;
55 int cpu_process_id;
56 int cpu_speedo_id;
57 int cpu_speedo_value;
58 int cpu_iddq_value;
59 int soc_process_id;
60 int soc_speedo_id;
61 int soc_speedo_value;
62 int gpu_process_id;
63 int gpu_speedo_id;
64 int gpu_speedo_value;
65 enum tegra_revision revision;
66 enum tegra_platform platform;
67 };
68
69 #ifdef CONFIG_ARCH_TEGRA
70 extern struct tegra_sku_info tegra_sku_info;
71 u32 tegra_read_straps(void);
72 u32 tegra_read_ram_code(void);
73 int tegra_fuse_readl(unsigned long offset, u32 *value);
74 u32 tegra_read_chipid(void);
75 u8 tegra_get_chip_id(void);
76 u8 tegra_get_platform(void);
77 bool tegra_is_silicon(void);
78 int tegra194_miscreg_mask_serror(void);
79 #else
80 static struct tegra_sku_info tegra_sku_info __maybe_unused;
81
82 static inline u32 tegra_read_straps(void)
83 {
84 return 0;
85 }
86
87 static inline u32 tegra_read_ram_code(void)
88 {
89 return 0;
90 }
91
92 static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
93 {
94 return -ENODEV;
95 }
96
97 static inline u32 tegra_read_chipid(void)
98 {
99 return 0;
100 }
101
102 static inline u8 tegra_get_chip_id(void)
103 {
104 return 0;
105 }
106
107 static inline u8 tegra_get_platform(void)
108 {
109 return 0;
110 }
111
112 static inline bool tegra_is_silicon(void)
113 {
114 return false;
115 }
116
117 static inline int tegra194_miscreg_mask_serror(void)
118 {
119 return false;
120 }
121 #endif
122
123 struct device *tegra_soc_device_register(void);
124
125 #endif /* __ASSEMBLY__ */
126
127 #endif /* __SOC_TEGRA_FUSE_H__ */
128
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