diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/CPU/Family/0x15/cpuCommonF15Utilities.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15/Proc/CPU/Family/0x15/cpuCommonF15Utilities.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/CPU/Family/0x15/cpuCommonF15Utilities.c b/src/vendorcode/amd/agesa/f15/Proc/CPU/Family/0x15/cpuCommonF15Utilities.c new file mode 100644 index 0000000000..fcd149b5ee --- /dev/null +++ b/src/vendorcode/amd/agesa/f15/Proc/CPU/Family/0x15/cpuCommonF15Utilities.c @@ -0,0 +1,181 @@ +/* $NoKeywords:$ */ +/** + * @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: 44737 $ @e \$Date: 2011-01-05 00:59:55 -0700 (Wed, 05 Jan 2011) $ + * + */ +/* + ***************************************************************************** + * + * Copyright (C) 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); +} + |