include/soc/tegra/fuse.h

   1 /*
   2  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef __SOC_TEGRA_FUSE_H__
  18 #define __SOC_TEGRA_FUSE_H__
  19
  20 #define TEGRA20         0x20
  21 #define TEGRA30         0x30
  22 #define TEGRA114        0x35
  23 #define TEGRA124        0x40
  24
  25 #define TEGRA_FUSE_SKU_CALIB_0  0xf0
  26 #define TEGRA30_FUSE_SATA_CALIB 0x124
  27
  28 #ifndef __ASSEMBLY__
  29
  30 u32 tegra_read_chipid(void);
  31 u8 tegra_get_chip_id(void);
  32
  33 enum tegra_revision {
  34         TEGRA_REVISION_UNKNOWN = 0,
  35         TEGRA_REVISION_A01,
  36         TEGRA_REVISION_A02,
  37         TEGRA_REVISION_A03,
  38         TEGRA_REVISION_A03p,
  39         TEGRA_REVISION_A04,
  40         TEGRA_REVISION_MAX,
  41 };
  42
  43 struct tegra_sku_info {
  44         int sku_id;
  45         int cpu_process_id;
  46         int cpu_speedo_id;
  47         int cpu_speedo_value;
  48         int cpu_iddq_value;
  49         int core_process_id;
  50         int soc_speedo_id;
  51         int gpu_speedo_id;
  52         int gpu_process_id;
  53         int gpu_speedo_value;
  54         enum tegra_revision revision;
  55 };
  56
  57 u32 tegra_read_straps(void);
  58 u32 tegra_read_chipid(void);
  59 int tegra_fuse_readl(unsigned long offset, u32 *value);
  60
  61 extern struct tegra_sku_info tegra_sku_info;
  62
  63 #endif /* __ASSEMBLY__ */
  64
  65 #endif /* __SOC_TEGRA_FUSE_H__ */