| /** |
| * @file |
| * |
| * AMD CPU Late Init API |
| * |
| * Contains code for doing any late CPU initialization. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU |
| * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 2010) $ |
| * |
| */ |
| /* |
| ****************************************************************************** |
| * |
| * Copyright (c) 2011, 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 "cpuLateInit.h" |
| #include "cpuRegisters.h" |
| #include "GeneralServices.h" |
| #include "cpuServices.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_CPU_CPULATEINIT_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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| VOID |
| DisableCf8ExtCfg ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| /*---------------------------------------------------------------------------------------- |
| * E X P O R T E D F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Performs CPU related initialization at the late entry point |
| * |
| * This function should be the last function run by the AGESA |
| * CPU module and prepares the processor for the operating system |
| * bootstrap load process. |
| * |
| * @param[in] StdHeader Config handle for library and services |
| * |
| * @retval AGESA_SUCCESS |
| * |
| */ |
| AGESA_STATUS |
| AmdCpuLate ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| DisableCf8ExtCfg (StdHeader); |
| return (AGESA_SUCCESS); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Clear EnableCf8ExtCfg on all socket |
| * |
| * Clear F3x8C bit 14 EnableCf8ExtCfg |
| * |
| * @param[in] StdHeader Config handle for library and services |
| * |
| * |
| */ |
| VOID |
| DisableCf8ExtCfg ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| PCI_ADDR PciAddress; |
| UINT32 Socket; |
| UINT32 Module; |
| UINT32 PciData; |
| UINT32 LegacyPciAccess; |
| |
| ASSERT (IsBsp (StdHeader, &AgesaStatus)); |
| |
| for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { |
| for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { |
| if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &AgesaStatus)) { |
| PciAddress.Address.Function = FUNC_3; |
| PciAddress.Address.Register = NB_CFG_HIGH_REG; |
| LegacyPciAccess = ((1 << 31) + (PciAddress.Address.Register & 0xFC) + (PciAddress.Address.Function << 8) + (PciAddress.Address.Device << 11) + (PciAddress.Address.Bus << 16) + ((PciAddress.Address.Register & 0xF00) << (24 - 8))); |
| // read from PCI register |
| LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, StdHeader); |
| LibAmdIoRead (AccessWidth32, IOCFC, &PciData, StdHeader); |
| // Disable Cf8ExtCfg |
| PciData &= 0xFFFFBFFF; |
| // write to PCI register |
| LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, StdHeader); |
| LibAmdIoWrite (AccessWidth32, IOCFC, &PciData, StdHeader); |
| } |
| } |
| } |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Calculate an ACPI style checksum |
| * |
| * Computes the checksum and stores the value to the checksum |
| * field of the passed in ACPI table's header. |
| * |
| * @param[in] Table ACPI table to checksum |
| * @param[in] StdHeader Config handle for library and services |
| * |
| */ |
| VOID |
| ChecksumAcpiTable ( |
| IN OUT ACPI_TABLE_HEADER *Table, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 *BuffTempPtr; |
| UINT8 Checksum; |
| UINT32 BufferOffset; |
| |
| Table->Checksum = 0; |
| Checksum = 0; |
| BuffTempPtr = (UINT8 *) Table; |
| for (BufferOffset = 0; BufferOffset < Table->TableLength; BufferOffset++) { |
| Checksum = Checksum - *(BuffTempPtr + BufferOffset); |
| } |
| |
| Table->Checksum = Checksum; |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * Run code on every AP in the system. |
| * |
| * @param[in] ApParams AP task pointer. |
| * @param[in] StdHeader Handle to config for library and services |
| * |
| * @return The most severe AGESA_STATUS returned by an AP. |
| * |
| */ |
| AGESA_STATUS |
| RunLateApTaskOnAllAPs ( |
| IN AP_EXE_PARAMS *ApParams, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 NumberOfSockets; |
| UINT32 NumberOfCores; |
| UINT8 Socket; |
| UINT8 Core; |
| UINT8 ApicId; |
| UINT32 BscSocket; |
| UINT32 Ignored; |
| UINT32 BscCore; |
| AGESA_STATUS CalledStatus; |
| AGESA_STATUS IgnoredStatus; |
| AGESA_STATUS AgesaStatus; |
| |
| ASSERT (IsBsp (StdHeader, &IgnoredStatus)); |
| |
| AgesaStatus = AGESA_SUCCESS; |
| |
| IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCore, &IgnoredStatus); |
| NumberOfSockets = GetPlatformNumberOfSockets (); |
| |
| for (Socket = 0; Socket < NumberOfSockets; Socket++) { |
| if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) { |
| for (Core = 0; Core < NumberOfCores; Core++) { |
| if ((Socket != BscSocket) || (Core != BscCore)) { |
| GetApicId (StdHeader, Socket, Core, &ApicId, &IgnoredStatus); |
| AGESA_TESTPOINT (TpIfBeforeRunApFromAllAps, StdHeader); |
| CalledStatus = AgesaRunFcnOnAp ((UINTN) ApicId, ApParams); |
| AGESA_TESTPOINT (TpIfAfterRunApFromAllAps, StdHeader); |
| if (CalledStatus > AgesaStatus) { |
| AgesaStatus = CalledStatus; |
| } |
| } |
| } |
| } |
| } |
| return AgesaStatus; |
| } |
| |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * Run code on core 0 of every socket in the system. |
| * |
| * @param[in] ApParams AP task pointer. |
| * @param[in] StdHeader Handle to config for library and services |
| * |
| * @return The most severe AGESA_STATUS returned by an AP. |
| * |
| */ |
| AGESA_STATUS |
| RunLateApTaskOnAllCore0s ( |
| IN AP_EXE_PARAMS *ApParams, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 NumberOfSockets; |
| UINT8 Socket; |
| UINT8 ApicId; |
| UINT32 BscSocket; |
| UINT32 IgnoredModule; |
| UINT32 IgnoredCore; |
| AGESA_STATUS CalledStatus; |
| AGESA_STATUS IgnoredStatus; |
| AGESA_STATUS AgesaStatus; |
| |
| ASSERT (IsBsp (StdHeader, &IgnoredStatus)); |
| |
| AgesaStatus = AGESA_SUCCESS; |
| |
| IdentifyCore (StdHeader, &BscSocket, &IgnoredModule, &IgnoredCore, &IgnoredStatus); |
| NumberOfSockets = GetPlatformNumberOfSockets (); |
| |
| for (Socket = 0; Socket < NumberOfSockets; Socket++) { |
| if (IsProcessorPresent (Socket, StdHeader)) { |
| if (Socket != BscSocket) { |
| GetApicId (StdHeader, Socket, 0, &ApicId, &IgnoredStatus); |
| AGESA_TESTPOINT (TpIfBeforeRunApFromAllCore0s, StdHeader); |
| CalledStatus = AgesaRunFcnOnAp ((UINTN) ApicId, ApParams); |
| AGESA_TESTPOINT (TpIfAfterRunApFromAllCore0s, StdHeader); |
| if (CalledStatus > AgesaStatus) { |
| AgesaStatus = CalledStatus; |
| } |
| } |
| } |
| } |
| return AgesaStatus; |
| } |
