include/soc/tegra/fuse.h

   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
  22 u32 tegra_read_chipid(void);
  23 u8 tegra_get_chip_id(void);
  24
  25 enum 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
  35 struct 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
  50 u32 tegra_read_straps(void);
  51 u32 tegra_read_ram_code(void);
  52 int tegra_fuse_readl(unsigned long offset, u32 *value);
  53
  54 extern struct tegra_sku_info tegra_sku_info;
  55
  56 struct device *tegra_soc_device_register(void);
  57
  58 #endif /* __ASSEMBLY__ */
  59
  60 #endif /* __SOC_TEGRA_FUSE_H__ */