Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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
22u32 tegra_read_chipid(void);
23u8 tegra_get_chip_id(void);
24
25enum 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
35struct 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
50u32 tegra_read_straps(void);
51u32 tegra_read_ram_code(void);
52int tegra_fuse_readl(unsigned long offset, u32 *value);
53
54extern struct tegra_sku_info tegra_sku_info;
55
56struct device *tegra_soc_device_register(void);
57
58#endif /* __ASSEMBLY__ */
59
60#endif /* __SOC_TEGRA_FUSE_H__ */