| /* $NoKeywords:$ */ |
| /** |
| * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
| * |
| * AMD is granting you permission to use this software (the Materials) |
| * pursuant to the terms and conditions of your Software License Agreement |
| * with AMD. This header does *NOT* give you permission to use the Materials |
| * or any rights under AMD's intellectual property. Your use of any portion |
| * of these Materials shall constitute your acceptance of those terms and |
| * conditions. If you do not agree to the terms and conditions of the Software |
| * License Agreement, please do not use any portion of these Materials. |
| * |
| * CONFIDENTIALITY: The Materials and all other information, identified as |
| * confidential and provided to you by AMD shall be kept confidential in |
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| * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION |
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| * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with |
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| * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any |
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| ****************************************************************************** |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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); |
| } |
| |