/* $NoKeywords:$ */
/**
* @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: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $
*
*/
/*
******************************************************************************
*
* Copyright (c) 2008 - 2013, 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 "cpuFamilyTranslation.h"
#include "cpuServices.h"
#include "Filecode.h"
CODE_GROUP (G3_DXE)
RDATA_GROUP (G3_DXE)
#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
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
*
* @retval AGESA_SUCCESS
*
*/
AGESA_STATUS
AmdCpuLate (
IN AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig
)
{
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 BscCoreNum;
AGESA_STATUS CalledStatus;
AGESA_STATUS IgnoredStatus;
AGESA_STATUS AgesaStatus;
ASSERT (IsBsp (StdHeader, &IgnoredStatus));
AgesaStatus = AGESA_SUCCESS;
IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredStatus);
NumberOfSockets = GetPlatformNumberOfSockets ();
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) {
for (Core = 0; Core < NumberOfCores; Core++) {
if ((Socket != BscSocket) || (Core != BscCoreNum)) {
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;
}