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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015-2016 Advanced Micro Devices, Inc.
*
* 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.
*/
#include <AGESA.h>
#include <BiosCallOuts.h>
#include <FchPlatform.h>
#include <soc/imc.h>
#include <soc/southbridge.h>
#include <stdlib.h>
#include <string.h>
/* Hardware Monitor Fan Control
* Hardware limitation:
* HWM will fail to read the input temperature via I2C if other
* software switches the I2C address. AMD recommends using IMC
* to control fans, instead of HWM.
*/
void oem_fan_control(FCH_DATA_BLOCK *FchParams)
{
/* Enable IMC fan control. the recommand way */
imc_reg_init();
FchParams->Imc.ImcEnable = TRUE;
/* 1 IMC, 0 HWM */
FchParams->Hwm.HwmControl = 1;
/* 2 disable IMC, 1 enable IMC, 0 following hw strap setting */
FchParams->Imc.ImcEnableOverWrite = 1;
memset(&FchParams->Imc.EcStruct, 0, sizeof(FCH_EC));
}
void platform_FchParams_env(FCH_DATA_BLOCK *FchParams_env)
{
}
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