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authorKerry Sheh <shekairui@gmail.com>2012-01-20 13:57:48 +0800
committerPatrick Georgi <patrick@georgi-clan.de>2012-01-26 10:09:22 +0100
commite8689ed974992b35aede9cd831b428ac37d9be76 (patch)
tree32ef9887fe057294f7a7fb2be069dd8d39d0c5d6 /src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuC6State.c
parentd2b31bda6738e370414622bd750cebf2e28e73de (diff)
AGESA F15: AMD family15 AGESA code
AMD AGESA code to support Orochi platform family15 model 00-0fh processores, AMD C32, G34, and AM3r2 Sockets are supported. Change-Id: If79392c104ace25f7e01db794fa205f47746bcad Signed-off-by: Kerry Sheh <kerry.she@amd.com> Signed-off-by: Kerry Sheh <shekairui@gmail.com> Reviewed-on: http://review.coreboot.org/554 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuC6State.c')
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1 files changed, 261 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuC6State.c b/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuC6State.c
new file mode 100644
index 0000000000..89426e4633
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+++ b/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuC6State.c
@@ -0,0 +1,261 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD AGESA CPU C6 feature support code.
+ *
+ * Contains code that declares the AGESA CPU C6 related APIs
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: CPU/Feature
+ * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 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 "cpuEarlyInit.h"
+#include "GeneralServices.h"
+#include "cpuFamilyTranslation.h"
+#include "OptionMultiSocket.h"
+#include "cpuApicUtilities.h"
+#include "cpuServices.h"
+#include "cpuFeatures.h"
+#include "cpuC6State.h"
+#include "Filecode.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_CPU_FEATURE_CPUC6STATE_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
+STATIC
+EnableC6OnSocket (
+ IN VOID *EntryPoint,
+ IN AMD_CONFIG_PARAMS *StdHeader,
+ IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams
+ );
+
+/*----------------------------------------------------------------------------------------
+ * E X P O R T E D F U N C T I O N S
+ *----------------------------------------------------------------------------------------
+ */
+extern CPU_FAMILY_SUPPORT_TABLE C6FamilyServiceTable;
+extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Should C6 be enabled
+ *
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @retval TRUE C6 is supported.
+ * @retval FALSE C6 cannot be enabled.
+ *
+ */
+BOOLEAN
+STATIC
+IsC6FeatureEnabled (
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT32 Socket;
+ BOOLEAN IsEnabled;
+ C6_FAMILY_SERVICES *FamilyServices;
+
+ IsEnabled = FALSE;
+ if (PlatformConfig->CStateMode == CStateModeC6) {
+ IsEnabled = TRUE;
+ for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
+ if (IsProcessorPresent (Socket, StdHeader)) {
+ GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
+ if ((FamilyServices == NULL) || !FamilyServices->IsC6Supported (FamilyServices, Socket, PlatformConfig, StdHeader)) {
+ IsEnabled = FALSE;
+ break;
+ }
+ }
+ }
+ }
+ return IsEnabled;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Enable the C6 C-state
+ *
+ * @param[in] EntryPoint Timepoint designator.
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @retval AGESA_SUCCESS Always succeeds.
+ *
+ */
+AGESA_STATUS
+STATIC
+InitializeC6Feature (
+ IN UINT64 EntryPoint,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT32 BscSocket;
+ UINT32 Ignored;
+ UINT32 BscCoreNum;
+ UINT32 Core;
+ UINT32 Socket;
+ UINT32 NumberOfSockets;
+ UINT32 NumberOfCores;
+ AP_TASK TaskPtr;
+ AMD_CPU_EARLY_PARAMS CpuEarlyParams;
+ C6_FAMILY_SERVICES *C6FamilyServices;
+ AGESA_STATUS IgnoredSts;
+
+ CpuEarlyParams.PlatformConfig = *PlatformConfig;
+
+ TaskPtr.FuncAddress.PfApTaskIC = EnableC6OnSocket;
+ TaskPtr.DataTransfer.DataSizeInDwords = 2;
+ TaskPtr.DataTransfer.DataPtr = &EntryPoint;
+ TaskPtr.DataTransfer.DataTransferFlags = 0;
+ TaskPtr.ExeFlags = PASS_EARLY_PARAMS;
+ OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams);
+
+ if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) {
+ // Load any required microcode patches on both normal boot and resume from S3.
+ IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredSts);
+ GetFeatureServicesOfSocket (&C6FamilyServiceTable, BscSocket, (CONST VOID **)&C6FamilyServices, StdHeader);
+ if (C6FamilyServices != NULL) {
+ C6FamilyServices->ReloadMicrocodePatchAfterMemInit (StdHeader);
+ }
+
+ // run code on all APs
+ TaskPtr.DataTransfer.DataSizeInDwords = 0;
+ TaskPtr.ExeFlags = 0;
+
+ NumberOfSockets = GetPlatformNumberOfSockets ();
+
+ for (Socket = 0; Socket < NumberOfSockets; Socket++) {
+ if (IsProcessorPresent (Socket, StdHeader)) {
+ GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (CONST VOID **)&C6FamilyServices, StdHeader);
+ if (C6FamilyServices != NULL) {
+ // run code on all APs
+ TaskPtr.FuncAddress.PfApTask = C6FamilyServices->ReloadMicrocodePatchAfterMemInit;
+ if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) {
+ for (Core = 0; Core < NumberOfCores; Core++) {
+ if ((Socket != BscSocket) || (Core != BscCoreNum)) {
+ ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) Core, &TaskPtr, StdHeader);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return AGESA_SUCCESS;
+}
+
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * 'Local' core 0 task to enable C6 on it's socket.
+ *
+ * @param[in] EntryPoint Timepoint designator.
+ * @param[in] StdHeader Config Handle for library, services.
+ * @param[in] CpuEarlyParams Service parameters.
+ *
+ */
+VOID
+STATIC
+EnableC6OnSocket (
+ IN VOID *EntryPoint,
+ IN AMD_CONFIG_PARAMS *StdHeader,
+ IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams
+ )
+{
+
+ C6_FAMILY_SERVICES *FamilyServices;
+
+ IDS_HDT_CONSOLE (CPU_TRACE, " C6 is enabled\n");
+
+ GetFeatureServicesOfCurrentCore (&C6FamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
+ FamilyServices->InitializeC6 (FamilyServices,
+ *((UINT64 *) EntryPoint),
+ &CpuEarlyParams->PlatformConfig,
+ StdHeader);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Reload microcode patch after memory is initialized.
+ *
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ */
+VOID
+ReloadMicrocodePatchAfterMemInit (
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ LoadMicrocodePatch (StdHeader);
+}
+
+
+CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureC6State =
+{
+ C6Cstate,
+ (CPU_FEAT_AFTER_PM_INIT | CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC),
+ IsC6FeatureEnabled,
+ InitializeC6Feature
+};