src/southbridge/via/common/early_smbus_reset.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2013  Alexandru Gagniuc <mr.nuke.me@gmail.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include "via_early_smbus.h"
  18
  19 /**
  20  * \brief Clear the SMBus host status register
  21  *
  22  * @param smbus_dev The base SMBus IO port
  23  */
  24 void smbus_reset(u32 smbus_dev)
  25 {
  26         outb(0xdf, SMBHSTSTAT(smbus_dev));
  27 }