Merge tag 'staging-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[platform/kernel/linux-rpi.git] / include / soc / tegra / fuse.h
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 TEGRA264        0x26
21
22 #define TEGRA_FUSE_SKU_CALIB_0  0xf0
23 #define TEGRA30_FUSE_SATA_CALIB 0x124
24 #define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
25
26 #ifndef __ASSEMBLY__
27
28 enum tegra_revision {
29         TEGRA_REVISION_UNKNOWN = 0,
30         TEGRA_REVISION_A01,
31         TEGRA_REVISION_A02,
32         TEGRA_REVISION_A03,
33         TEGRA_REVISION_A03p,
34         TEGRA_REVISION_A04,
35         TEGRA_REVISION_MAX,
36 };
37
38 enum tegra_platform {
39         TEGRA_PLATFORM_SILICON = 0,
40         TEGRA_PLATFORM_QT,
41         TEGRA_PLATFORM_SYSTEM_FPGA,
42         TEGRA_PLATFORM_UNIT_FPGA,
43         TEGRA_PLATFORM_ASIM_QT,
44         TEGRA_PLATFORM_ASIM_LINSIM,
45         TEGRA_PLATFORM_DSIM_ASIM_LINSIM,
46         TEGRA_PLATFORM_VERIFICATION_SIMULATION,
47         TEGRA_PLATFORM_VDK,
48         TEGRA_PLATFORM_VSP,
49         TEGRA_PLATFORM_MAX,
50 };
51
52 struct tegra_sku_info {
53         int sku_id;
54         int cpu_process_id;
55         int cpu_speedo_id;
56         int cpu_speedo_value;
57         int cpu_iddq_value;
58         int soc_process_id;
59         int soc_speedo_id;
60         int soc_speedo_value;
61         int gpu_process_id;
62         int gpu_speedo_id;
63         int gpu_speedo_value;
64         enum tegra_revision revision;
65         enum tegra_platform platform;
66 };
67
68 #ifdef CONFIG_ARCH_TEGRA
69 extern struct tegra_sku_info tegra_sku_info;
70 u32 tegra_read_straps(void);
71 u32 tegra_read_ram_code(void);
72 int tegra_fuse_readl(unsigned long offset, u32 *value);
73 u32 tegra_read_chipid(void);
74 u8 tegra_get_chip_id(void);
75 u8 tegra_get_platform(void);
76 bool tegra_is_silicon(void);
77 int tegra194_miscreg_mask_serror(void);
78 #else
79 static struct tegra_sku_info tegra_sku_info __maybe_unused;
80
81 static inline u32 tegra_read_straps(void)
82 {
83         return 0;
84 }
85
86 static inline u32 tegra_read_ram_code(void)
87 {
88         return 0;
89 }
90
91 static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
92 {
93         return -ENODEV;
94 }
95
96 static inline u32 tegra_read_chipid(void)
97 {
98         return 0;
99 }
100
101 static inline u8 tegra_get_chip_id(void)
102 {
103         return 0;
104 }
105
106 static inline u8 tegra_get_platform(void)
107 {
108         return 0;
109 }
110
111 static inline bool tegra_is_silicon(void)
112 {
113         return false;
114 }
115
116 static inline int tegra194_miscreg_mask_serror(void)
117 {
118         return false;
119 }
120 #endif
121
122 struct device *tegra_soc_device_register(void);
123
124 #endif /* __ASSEMBLY__ */
125
126 #endif /* __SOC_TEGRA_FUSE_H__ */