| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Family_15 specific utility functions. |
| * |
| * Provides numerous utility functions specific to family 15h. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Family/0x15 |
| * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2012, 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 "cpuServices.h" |
| #include "GeneralServices.h" |
| #include "cpuApicUtilities.h" |
| #include "cpuFamilyTranslation.h" |
| #include "cpuCommonF15Utilities.h" |
| #include "cpuF15PowerMgmt.h" |
| #include "Filecode.h" |
| CODE_GROUP (G2_PEI) |
| RDATA_GROUP (G2_PEI) |
| |
| #define FILECODE PROC_CPU_FAMILY_0X15_CPUCOMMONF15UTILITIES_FILECODE |
| |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Set warm reset status and count |
| * |
| * @CpuServiceMethod{::F_CPU_SET_WARM_RESET_FLAG}. |
| * |
| * This function will use bit9, and bit 10 of register F0x6C as a warm reset status and count. |
| * |
| * @param[in] FamilySpecificServices The current Family Specific Services. |
| * @param[in] StdHeader Handle of Header for calling lib functions and services. |
| * @param[in] Request Indicate warm reset status |
| * |
| */ |
| VOID |
| F15SetAgesaWarmResetFlag ( |
| IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN WARM_RESET_REQUEST *Request |
| ) |
| { |
| PCI_ADDR PciAddress; |
| UINT32 PciData; |
| |
| PciAddress.AddressValue = MAKE_SBDFO (0, 0 , PCI_DEV_BASE, FUNC_0, HT_INIT_CTRL); |
| LibAmdPciRead (AccessWidth32, PciAddress, &PciData, StdHeader); |
| |
| // bit[5] - indicate a warm reset is or is not required |
| PciData &= ~(HT_INIT_BIOS_RST_DET_0); |
| PciData = PciData | (Request->RequestBit << 5); |
| |
| // bit[10,9] - indicate warm reset status and count |
| PciData &= ~(HT_INIT_BIOS_RST_DET_1 | HT_INIT_BIOS_RST_DET_2); |
| PciData |= Request->StateBits << 9; |
| |
| LibAmdPciWrite (AccessWidth32, PciAddress, &PciData, StdHeader); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Get warm reset status and count |
| * |
| * @CpuServiceMethod{::F_CPU_GET_WARM_RESET_FLAG}. |
| * |
| * This function will bit9, and bit 10 of register F0x6C as a warm reset status and count. |
| * |
| * @param[in] FamilySpecificServices The current Family Specific Services. |
| * @param[in] StdHeader Config handle for library and services |
| * @param[out] Request Indicate warm reset status |
| * |
| */ |
| VOID |
| F15GetAgesaWarmResetFlag ( |
| IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| OUT WARM_RESET_REQUEST *Request |
| ) |
| { |
| PCI_ADDR PciAddress; |
| UINT32 PciData; |
| |
| PciAddress.AddressValue = MAKE_SBDFO (0, 0 , PCI_DEV_BASE, FUNC_0, HT_INIT_CTRL); |
| LibAmdPciRead (AccessWidth32, PciAddress, &PciData, StdHeader); |
| |
| // bit[5] - indicate a warm reset is or is not required |
| Request->RequestBit = (UINT8) ((PciData & HT_INIT_BIOS_RST_DET_0) >> 5); |
| // bit[10,9] - indicate warm reset status and count |
| Request->StateBits = (UINT8) ((PciData & (HT_INIT_BIOS_RST_DET_1 | HT_INIT_BIOS_RST_DET_2)) >> 9); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Return a number zero or one, based on the Core ID position in the initial APIC Id. |
| * |
| * @CpuServiceMethod{::F_CORE_ID_POSITION_IN_INITIAL_APIC_ID}. |
| * |
| * @param[in] FamilySpecificServices The current Family Specific Services. |
| * @param[in] StdHeader Handle of Header for calling lib functions and services. |
| * |
| * @retval CoreIdPositionZero Core Id is not low |
| * @retval CoreIdPositionOne Core Id is low |
| */ |
| CORE_ID_POSITION |
| F15CpuAmdCoreIdPositionInInitialApicId ( |
| IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT64 InitApicIdCpuIdLo; |
| |
| // Check bit_54 [InitApicIdCpuIdLo] to find core id position. |
| LibAmdMsrRead (MSR_NB_CFG, &InitApicIdCpuIdLo, StdHeader); |
| InitApicIdCpuIdLo = ((InitApicIdCpuIdLo & BIT54) >> 54); |
| return ((InitApicIdCpuIdLo == 0) ? CoreIdPositionZero : CoreIdPositionOne); |
| } |
| |