| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Family_16 Kabini thermal initialization |
| * |
| * Performs processor thermal initialization. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Family/0x16/KB |
| * @e \$Revision: 85817 $ @e \$Date: 2013-01-11 16:58:12 -0600 (Fri, 11 Jan 2013) $ |
| * |
| */ |
| /* |
| ****************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| ****************************************************************************** |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * M O D U L E S U S E D |
| *---------------------------------------------------------------------------------------- |
| */ |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "Ids.h" |
| #include "cpuRegisters.h" |
| #include "GeneralServices.h" |
| #include "CommonReturns.h" |
| #include "cpuFeatures.h" |
| #include "cpuHtc.h" |
| #include "cpuF16PowerMgmt.h" |
| #include "F16KbPowerMgmt.h" |
| #include "Gnb.h" |
| #include "GnbPcie.h" |
| #include "GnbRegistersKB.h" |
| #include "GnbRegisterAccKB.h" |
| #include "GnbHandleLib.h" |
| #include "Filecode.h" |
| CODE_GROUP (G2_PEI) |
| RDATA_GROUP (G2_PEI) |
| |
| #define FILECODE PROC_CPU_FAMILY_0X16_KB_F16KBHTC_FILECODE |
| |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| AGESA_STATUS |
| STATIC |
| F16KbInitializeHtc ( |
| IN HTC_FAMILY_SERVICES *HtcServices, |
| IN UINT64 EntryPoint, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------- |
| * T Y P E D E F S A N D S T R U C T U R E S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * P R O T O T Y P E S O F L O C A L F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * E X P O R T E D F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Main entry point for initializing the Thermal Control |
| * safety net feature. |
| * |
| * This must be run by all Family 16h Kabini core 0s in the system. |
| * |
| * @param[in] HtcServices The current CPU's family services. |
| * @param[in] EntryPoint Timepoint designator. |
| * @param[in] PlatformConfig Platform profile/build option config structure. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| * @retval AGESA_SUCCESS Always succeeds. |
| * |
| */ |
| AGESA_STATUS |
| STATIC |
| F16KbInitializeHtc ( |
| IN HTC_FAMILY_SERVICES *HtcServices, |
| IN UINT64 EntryPoint, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 HtcTempLimit; |
| NB_CAPS_REGISTER NbCaps; |
| HTC_REGISTER HtcReg; |
| CLK_PWR_TIMING_CTRL2_REGISTER Cptc2; |
| POPUP_PSTATE_REGISTER PopUpPstate; |
| PCI_ADDR PciAddress; |
| UINT32 D0F0xBC_xC0107097; |
| |
| if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) { |
| PciAddress.AddressValue = NB_CAPS_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbCaps, StdHeader); |
| if (NbCaps.HtcCapable == 1) { |
| // Enable HTC |
| PciAddress.Address.Register = HTC_REG; |
| LibAmdPciRead (AccessWidth32, PciAddress, &HtcReg, StdHeader); |
| GnbRegisterReadKB (GnbGetHandle (StdHeader), 0x4, 0xC0107097, &D0F0xBC_xC0107097, 0, StdHeader); |
| HtcReg.HtcTmpLmt = (D0F0xBC_xC0107097 >> 3) & 0x7F; |
| if (HtcReg.HtcTmpLmt != 0) { |
| // Enable HTC |
| HtcReg.HtcEn = 1; |
| PciAddress.Address.Register = CPTC2_REG; |
| LibAmdPciRead (AccessWidth32, PciAddress, &Cptc2, StdHeader); |
| if (HtcReg.HtcPstateLimit > Cptc2.HwPstateMaxVal) { |
| // F3xDC[HwPstateMaxVal] = F3x64[HtcPstateLimit] |
| Cptc2.HwPstateMaxVal = HtcReg.HtcPstateLimit; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &Cptc2, StdHeader); |
| // F3xA8[PopDownPstate] = F3xDC[HwPstateMaxVal] |
| PciAddress.Address.Register = POPUP_PSTATE_REG; |
| LibAmdPciRead (AccessWidth32, PciAddress, &PopUpPstate, StdHeader); |
| PopUpPstate.PopDownPstate = Cptc2.HwPstateMaxVal; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &PopUpPstate, StdHeader); |
| } |
| if ((PlatformConfig->HtcTemperatureLimit >= 520) && (PlatformConfig->LhtcTemperatureLimit != 0)) { |
| HtcTempLimit = ((PlatformConfig->HtcTemperatureLimit - 520) / 5); |
| if (HtcTempLimit < HtcReg.HtcTmpLmt) { |
| HtcReg.HtcTmpLmt = HtcTempLimit; |
| } |
| } |
| } else { |
| // Disable HTC |
| HtcReg.HtcEn = 0; |
| } |
| PciAddress.Address.Register = HTC_REG; |
| IDS_OPTION_HOOK (IDS_HTC_CTRL, &HtcReg, StdHeader); |
| LibAmdPciWrite (AccessWidth32, PciAddress, &HtcReg, StdHeader); |
| } |
| } |
| return AGESA_SUCCESS; |
| } |
| |
| CONST HTC_FAMILY_SERVICES ROMDATA F16KbHtcSupport = |
| { |
| 0, |
| (PF_HTC_IS_SUPPORTED) CommonReturnTrue, |
| F16KbInitializeHtc |
| }; |