arch/arm/mach-tegra/fuse.h

   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 #define SKU_ID_T20      8
  23 #define SKU_ID_T25SE    20
  24 #define SKU_ID_AP25     23
  25 #define SKU_ID_T25      24
  26 #define SKU_ID_AP25E    27
  27 #define SKU_ID_T25E     28
  28
  29 #define TEGRA20         0x20
  30 #define TEGRA30         0x30
  31 #define TEGRA114        0x35
  32 #define TEGRA124        0x40
  33
  34 #ifndef __ASSEMBLY__
  35 enum tegra_revision {
  36         TEGRA_REVISION_UNKNOWN = 0,
  37         TEGRA_REVISION_A01,
  38         TEGRA_REVISION_A02,
  39         TEGRA_REVISION_A03,
  40         TEGRA_REVISION_A03p,
  41         TEGRA_REVISION_A04,
  42         TEGRA_REVISION_MAX,
  43 };
  44
  45 extern int tegra_sku_id;
  46 extern int tegra_cpu_process_id;
  47 extern int tegra_core_process_id;
  48 extern int tegra_chip_id;
  49 extern int tegra_cpu_speedo_id;         /* only exist in Tegra30 and later */
  50 extern int tegra_soc_speedo_id;
  51 extern enum tegra_revision tegra_revision;
  52
  53 extern int tegra_bct_strapping;
  54
  55 unsigned long long tegra_chip_uid(void);
  56 void tegra_init_fuse(void);
  57 bool tegra_spare_fuse(int bit);
  58 u32 tegra_fuse_readl(unsigned long offset);
  59
  60 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
  61 void tegra20_init_speedo_data(void);
  62 #else
  63 static inline void tegra20_init_speedo_data(void) {}
  64 #endif
  65
  66 #ifdef CONFIG_ARCH_TEGRA_3x_SOC
  67 void tegra30_init_speedo_data(void);
  68 #else
  69 static inline void tegra30_init_speedo_data(void) {}
  70 #endif
  71
  72 #ifdef CONFIG_ARCH_TEGRA_114_SOC
  73 void tegra114_init_speedo_data(void);
  74 #else
  75 static inline void tegra114_init_speedo_data(void) {}
  76 #endif
  77 #endif /* __ASSEMBLY__ */
  78
  79 #endif