/* Bettong 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.
*/
static void oem_fan_control(FCH_DATA_BLOCK *FchParams)
{
/* Enable IMC fan control. the recommand way */
imc_reg_init();
FchParams->Imc.ImcEnable = TRUE;
FchParams->Hwm.HwmControl = 1; /* 1 IMC, 0 HWM */
FchParams->Imc.ImcEnableOverWrite = 1; /* 2 disable IMC, 1 enable IMC, 0 following hw strap setting */
memset(&FchParams->Imc.EcStruct, 0, sizeof(FCH_EC));
}
/* Olivehill Hardware Monitor Fan Control
* Hardware limitation:
* HWM failed to read the input temperture vi I2C,
* if other software switch the I2C switch by mistake or intention.
* We recommend to using IMC to control Fans, instead of HWM.
*/
static void oem_fan_control(FCH_DATA_BLOCK *FchParams)
{
/* Enable IMC fan control. the recommand way */
if (CONFIG(HUDSON_IMC_FWM)) {
imc_reg_init();
/* HwMonitorEnable = TRUE && HwmFchtsiAutoOpll ==FALSE to call FchECfancontrolservice */
FchParams->Hwm.HwMonitorEnable = TRUE;
FchParams->Hwm.HwmFchtsiAutoPoll = FALSE;/* 0 disable, 1 enable TSI Auto Polling */
FchParams->Imc.ImcEnable = TRUE;
FchParams->Hwm.HwmControl = 1; /* 1 IMC, 0 HWM */
FchParams->Imc.ImcEnableOverWrite = 1; /* 2 disable IMC, 1 enable IMC, 0 following hw strap setting */
LibAmdMemFill(&(FchParams->Imc.EcStruct), 0, sizeof(FCH_EC), FchParams->StdHeader);
/* Thermal Zone Parameter */
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg0 = 0x00;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg1 = 0x00; /* Zone */
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg2 = 0x3d; //BIT0 | BIT2 | BIT5;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg3 = 0x4e;//6 | BIT3;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg4 = 0x00;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg5 = 0x04;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg6 = 0x9a; /* SMBUS Address for SMBUS based temperature sensor such as SB-TSI and ADM1032 */
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg7 = 0x01;
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg8 = 0x01; /* PWM steping rate in unit of PWM level percentage */
FchParams->Imc.EcStruct.MsgFun81Zone0MsgReg9 = 0x00;
/* IMC Fan Policy temperature thresholds */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg0 = 0x00;
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg1 = 0x00; /* Zone */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg2 = 0x46;///80; /*AC0 threshold in Celsius */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg3 = 0x3c; /*AC1 threshold in Celsius */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg4 = 0x32; /*AC2 threshold in Celsius */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg5 = 0xff; /*AC3 threshold in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg6 = 0xff; /*AC4 threshold in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg7 = 0xff; /*AC5 threshold in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg8 = 0xff; /*AC6 threshold in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgReg9 = 0xff; /*AC7 lowest threshold in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgRegA = 0x4b; /*critical threshold* in Celsius, 0xFF is not define */
FchParams->Imc.EcStruct.MsgFun83Zone0MsgRegB = 0x00;
/* IMC Fan Policy PWM Settings */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg0 = 0x00;
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg1 = 0x00; /* Zone */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg2 = 0x5a; /* AL0 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg3 = 0x46; /* AL1 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg4 = 0x28; /* AL2 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg5 = 0xff; /* AL3 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg6 = 0xff; /* AL4 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg7 = 0xff; /* AL5 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg8 = 0xff; /* AL6 percentage */
FchParams->Imc.EcStruct.MsgFun85Zone0MsgReg9 = 0xff; /* AL7 percentage */
FchParams->Imc.EcStruct.IMCFUNSupportBitMap = 0x111;//BIT0 | BIT4 |BIT8;
/* NOTE:
* FchInitLateHwm will overwrite the EcStruct with EcDefaultMassege,
* AGESA put EcDefaultMassege as global data in ROM, so we can't overwride it.
* so we remove it from AGESA code. Please Seee FchInitLateHwm.
*/
} else {
/* HWM fan control, the way not recommand */
FchParams->Imc.ImcEnable = FALSE;
FchParams->Hwm.HwMonitorEnable = TRUE;
FchParams->Hwm.HwmFchtsiAutoPoll = TRUE;/* 1 enable, 0 disable TSI Auto Polling */
}
}