1 /*
2 * Copyright (C) 2010 Google, Inc.
3 * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
4 *
5 * Author:
6 * Colin Cross <ccross@android.com>
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19 #ifndef __MACH_TEGRA_FUSE_H
20 #define __MACH_TEGRA_FUSE_H
21
22 enum tegra_revision {
23 TEGRA_REVISION_UNKNOWN = 0,
24 TEGRA_REVISION_A01,
25 TEGRA_REVISION_A02,
26 TEGRA_REVISION_A03,
27 TEGRA_REVISION_A03p,
28 TEGRA_REVISION_A04,
29 TEGRA_REVISION_MAX,
30 };
31
32 #define SKU_ID_T20 8
33 #define SKU_ID_T25SE 20
34 #define SKU_ID_AP25 23
35 #define SKU_ID_T25 24
36 #define SKU_ID_AP25E 27
37 #define SKU_ID_T25E 28
38
39 #define TEGRA20 0x20
40 #define TEGRA30 0x30
41 #define TEGRA114 0x35
42
43 extern int tegra_sku_id;
44 extern int tegra_cpu_process_id;
45 extern int tegra_core_process_id;
46 extern int tegra_chip_id;
47 extern int tegra_cpu_speedo_id; /* only exist in Tegra30 and later */
48 extern int tegra_soc_speedo_id;
49 extern enum tegra_revision tegra_revision;
50
51 extern int tegra_bct_strapping;
52
53 unsigned long long tegra_chip_uid(void);
54 void tegra_init_fuse(void);
55 bool tegra_spare_fuse(int bit);
56 u32 tegra_fuse_readl(unsigned long offset);
57
58 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
59 void tegra20_init_speedo_data(void);
60 #else
tegra20_init_speedo_data(void)61 static inline void tegra20_init_speedo_data(void) {}
62 #endif
63
64 #ifdef CONFIG_ARCH_TEGRA_3x_SOC
65 void tegra30_init_speedo_data(void);
66 #else
tegra30_init_speedo_data(void)67 static inline void tegra30_init_speedo_data(void) {}
68 #endif
69
70 #ifdef CONFIG_ARCH_TEGRA_114_SOC
71 void tegra114_init_speedo_data(void);
72 #else
tegra114_init_speedo_data(void)73 static inline void tegra114_init_speedo_data(void) {}
74 #endif
75
76 #endif
77