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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017-2018 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef SOC_INTEL_COMMON_BLOCK_TCO_H
#define SOC_INTEL_COMMON_BLOCK_TCO_H
#include <stdint.h>
/*
* Enable TCO BAR using SMBUS TCO base to access TCO related register
* also disable the timer.
*/
void tco_configure(void);
/* Lockdown TCO registers before booting to OS */
void tco_lockdown(void);
/*
* Resets the tco status registers. This function clears the tco_sts register
* and returns the status bits set.
*/
uint32_t tco_reset_status(void);
uint16_t tco_read_reg(uint16_t tco_reg);
void tco_write_reg(uint16_t tco_reg, uint16_t value);
#endif /* SOC_INTEL_COMMON_BLOCK_TCO_H */
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