diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/CPU/cpuLateInit.c')
-rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/CPU/cpuLateInit.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuLateInit.c b/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuLateInit.c new file mode 100755 index 0000000000..1e93f64357 --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuLateInit.c @@ -0,0 +1,281 @@ +/** + * @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; +} |