src/soc/nvidia/tegra124/include/soc/power.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __SOC_NVIDIA_TEGRA124_POWER_H__
  16 #define __SOC_NVIDIA_TEGRA124_POWER_H__
  17
  18 // This function does not enable the external power to the rail, it enables
  19 // the rail itself internal to the SOC.
  20 void power_enable_and_ungate_cpu(void);
  21
  22 // power_reset_status returns one of the following possible sources for the
  23 // most recent reset.
  24 enum {
  25         POWER_RESET_POR = 0,
  26         POWER_RESET_WATCHDOG = 1,
  27         POWER_RESET_SENSOR = 2,
  28         POWER_RESET_SW_MAIN = 3,
  29         POWER_RESET_LP0 = 4
  30 };
  31 int power_reset_status(void);
  32
  33 void ram_repair(void);
  34
  35 #endif  /* __SOC_NVIDIA_TEGRA124_POWER_H__ */