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authorSiyuan Wang <wangsiyuanbuaa@gmail.com>2013-07-25 15:14:15 +0800
committerBruce Griffith <Bruce.Griffith@se-eng.com>2013-08-04 05:40:37 +0200
commitaffe85fbc8a13d35960aa92ae87cbb6330ad253f (patch)
tree9c1ace69f12b06b6544faf041994aa4288fb2e45 /src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c
parentae8d06969bdde9b1250bc3c4ad93f5db408dae98 (diff)
AMD Kabini: Add AGESA/PI code for new processor family
Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com> Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com> Reviewed-by: Nick Dill <nick.dill@se-eng.com> Tested-by: Bruce Griffith <bruce.griffith@se-eng.com> Reviewed-on: http://review.coreboot.org/3836 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c')
-rw-r--r--src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c371
1 files changed, 371 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c
new file mode 100644
index 0000000000..d3923d6a75
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbIoCstate.c
@@ -0,0 +1,371 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD Family_16 Kabini IO C-state feature support functions.
+ *
+ * Provides the functions necessary to initialize the IO C-state feature.
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: CPU/Family/0x16/KB
+ * @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 "cpuFeatures.h"
+#include "cpuIoCstate.h"
+#include "cpuF16PowerMgmt.h"
+#include "F16KbPowerMgmt.h"
+#include "cpuLateInit.h"
+#include "cpuRegisters.h"
+#include "cpuServices.h"
+#include "cpuApicUtilities.h"
+#include "cpuFamilyTranslation.h"
+#include "CommonReturns.h"
+#include "Filecode.h"
+CODE_GROUP (G3_DXE)
+RDATA_GROUP (G3_DXE)
+#define FILECODE PROC_CPU_FAMILY_0X16_KB_F16KBIOCSTATE_FILECODE
+
+/*----------------------------------------------------------------------------------------
+ * 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
+F16KbInitializeIoCstateOnCore (
+ IN VOID *CstateBaseMsr,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+BOOLEAN
+F16KbIsCsdObjGenerated (
+ IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+/*----------------------------------------------------------------------------------------
+ * D E F I N I T I O N S A N D M A C R O S
+ *----------------------------------------------------------------------------------------
+ */
+extern CPU_FAMILY_SUPPORT_TABLE IoCstateFamilyServiceTable;
+
+/*----------------------------------------------------------------------------------------
+ * E X P O R T E D F U N C T I O N S
+ *----------------------------------------------------------------------------------------
+ */
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Enable IO Cstate on a family 16h Kabini CPU.
+ * Implement BIOS Requirements for Initialization of C-states
+ *
+ * @param[in] IoCstateServices Pointer to this CPU's IO Cstate family services.
+ * @param[in] EntryPoint Timepoint designator.
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @return AGESA_SUCCESS Always succeeds.
+ *
+ */
+AGESA_STATUS
+STATIC
+F16KbInitializeIoCstate (
+ IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices,
+ IN UINT64 EntryPoint,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT64 LocalMsrRegister;
+ AP_TASK TaskPtr;
+ PCI_ADDR PciAddress;
+ CSTATE_POLICY_CTRL1_REGISTER CstatePolicyCtrl1;
+
+ if ((EntryPoint & CPU_FEAT_AFTER_PM_INIT) != 0) {
+ // Initialize F4x128
+ // bit[4:2] HaltCstateIndex = 0
+ PciAddress.AddressValue = CSTATE_POLICY_CTRL1_PCI_ADDR;
+ LibAmdPciRead (AccessWidth32, PciAddress, &CstatePolicyCtrl1, StdHeader);
+ CstatePolicyCtrl1.HaltCstateIndex = 0;
+ LibAmdPciWrite (AccessWidth32, PciAddress, &CstatePolicyCtrl1, StdHeader);
+
+ // Initialize MSRC001_0073[CstateAddr] on each core to a region of
+ // the IO address map with 8 consecutive available addresses.
+ LocalMsrRegister = 0;
+
+ IDS_HDT_CONSOLE (CPU_TRACE, " Init IO C-state Base at 0x%x\n", PlatformConfig->CStateIoBaseAddress);
+ ((CSTATE_ADDRESS_MSR *) &LocalMsrRegister)->CstateAddr = PlatformConfig->CStateIoBaseAddress;
+
+ TaskPtr.FuncAddress.PfApTaskI = F16KbInitializeIoCstateOnCore;
+ TaskPtr.DataTransfer.DataSizeInDwords = 2;
+ TaskPtr.DataTransfer.DataPtr = &LocalMsrRegister;
+ TaskPtr.DataTransfer.DataTransferFlags = 0;
+ TaskPtr.ExeFlags = WAIT_FOR_CORE;
+ ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, NULL);
+ }
+ return AGESA_SUCCESS;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Enable CState on a family 16h Kabini core.
+ *
+ * @param[in] CstateBaseMsr MSR value to write to C001_0073 as determined by core 0.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ */
+VOID
+STATIC
+F16KbInitializeIoCstateOnCore (
+ IN VOID *CstateBaseMsr,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ // Initialize MSRC001_0073[CstateAddr] on each core
+ LibAmdMsrWrite (MSR_CSTATE_ADDRESS, (UINT64 *) CstateBaseMsr, StdHeader);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Returns the size of CST object
+ *
+ * @param[in] IoCstateServices IO Cstate services.
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @retval CstObjSize Size of CST Object
+ *
+ */
+UINT32
+STATIC
+F16KbGetAcpiCstObj (
+ IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ BOOLEAN GenerateCsdObj;
+ UINT32 CStateAcpiObjSize;
+ IO_CSTATE_FAMILY_SERVICES *FamilyServices;
+ ACPI_CST_GET_INPUT CstGetInput;
+
+ CstGetInput.IoCstateServices = IoCstateServices;
+ CstGetInput.PlatformConfig = PlatformConfig;
+ CstGetInput.CStateAcpiObjSizePtr = &CStateAcpiObjSize;
+
+ IDS_SKIP_HOOK (IDS_CST_SIZE, &CstGetInput, StdHeader) {
+ CStateAcpiObjSize = CST_HEADER_SIZE + CST_BODY_SIZE;
+
+ // If CSD Object is generated, add the size of CSD Object to the total size of
+ // CState ACPI Object size
+ GetFeatureServicesOfCurrentCore (&IoCstateFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
+ ASSERT (FamilyServices != NULL);
+ GenerateCsdObj = FamilyServices->IsCsdObjGenerated (FamilyServices, StdHeader);
+
+ if (GenerateCsdObj) {
+ CStateAcpiObjSize += CSD_HEADER_SIZE + CSD_BODY_SIZE;
+ }
+ }
+ return CStateAcpiObjSize;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Routine to generate the C-State ACPI objects
+ *
+ * @param[in] IoCstateServices IO Cstate services.
+ * @param[in] LocalApicId Local Apic Id for each core.
+ * @param[in, out] **PstateAcpiBufferPtr Pointer to the Acpi Buffer Pointer.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ */
+VOID
+STATIC
+F16KbCreateAcpiCstObj (
+ IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices,
+ IN UINT8 LocalApicId,
+ IN OUT VOID **PstateAcpiBufferPtr,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT64 MsrData;
+ BOOLEAN GenerateCsdObj;
+ CST_HEADER_STRUCT *CstHeaderPtr;
+ CST_BODY_STRUCT *CstBodyPtr;
+ CSD_HEADER_STRUCT *CsdHeaderPtr;
+ CSD_BODY_STRUCT *CsdBodyPtr;
+ IO_CSTATE_FAMILY_SERVICES *FamilyServices;
+ ACPI_CST_CREATE_INPUT CstInput;
+
+ CstInput.IoCstateServices = IoCstateServices;
+ CstInput.LocalApicId = LocalApicId;
+ CstInput.PstateAcpiBufferPtr = PstateAcpiBufferPtr;
+
+ IDS_SKIP_HOOK (IDS_CST_CREATE, &CstInput, StdHeader) {
+ // Read from MSR C0010073 to obtain CstateAddr
+ LibAmdMsrRead (MSR_CSTATE_ADDRESS, &MsrData, StdHeader);
+
+ // Typecast the pointer
+ CstHeaderPtr = (CST_HEADER_STRUCT *) *PstateAcpiBufferPtr;
+
+ // Set CST Header
+ CstHeaderPtr->NameOpcode = NAME_OPCODE;
+ CstHeaderPtr->CstName_a__ = CST_NAME__;
+ CstHeaderPtr->CstName_a_C = CST_NAME_C;
+ CstHeaderPtr->CstName_a_S = CST_NAME_S;
+ CstHeaderPtr->CstName_a_T = CST_NAME_T;
+
+ // Typecast the pointer
+ CstHeaderPtr++;
+ CstBodyPtr = (CST_BODY_STRUCT *) CstHeaderPtr;
+
+ // Set CST Body
+ CstBodyPtr->PkgOpcode = PACKAGE_OPCODE;
+ CstBodyPtr->PkgLength = CST_LENGTH;
+ CstBodyPtr->PkgElements = CST_NUM_OF_ELEMENTS;
+ CstBodyPtr->BytePrefix = BYTE_PREFIX_OPCODE;
+ CstBodyPtr->Count = CST_COUNT;
+ CstBodyPtr->PkgOpcode2 = PACKAGE_OPCODE;
+ CstBodyPtr->PkgLength2 = CST_PKG_LENGTH;
+ CstBodyPtr->PkgElements2 = CST_PKG_ELEMENTS;
+ CstBodyPtr->BufferOpcode = BUFFER_OPCODE;
+ CstBodyPtr->BufferLength = CST_SUBPKG_LENGTH;
+ CstBodyPtr->BufferElements = CST_SUBPKG_ELEMENTS;
+ CstBodyPtr->BufferOpcode2 = BUFFER_OPCODE;
+ CstBodyPtr->GdrOpcode = GENERIC_REG_DESCRIPTION;
+ CstBodyPtr->GdrLength = CST_GDR_LENGTH;
+ CstBodyPtr->AddrSpaceId = GDR_ASI_SYSTEM_IO;
+ CstBodyPtr->RegBitWidth = 0x08;
+ CstBodyPtr->RegBitOffset = 0x00;
+ CstBodyPtr->AddressSize = GDR_ASZ_BYTE_ACCESS;
+ CstBodyPtr->RegisterAddr = ((CSTATE_ADDRESS_MSR *) &MsrData)->CstateAddr + 1;
+ CstBodyPtr->EndTag = 0x0079;
+ CstBodyPtr->BytePrefix2 = BYTE_PREFIX_OPCODE;
+ CstBodyPtr->Type = CST_C2_TYPE;
+ CstBodyPtr->WordPrefix = WORD_PREFIX_OPCODE;
+ CstBodyPtr->Latency = 400;
+ CstBodyPtr->DWordPrefix = DWORD_PREFIX_OPCODE;
+ CstBodyPtr->Power = 0;
+
+ CstBodyPtr++;
+ //Update the pointer
+ *PstateAcpiBufferPtr = CstBodyPtr;
+
+
+ // Check whether CSD object should be generated
+ GetFeatureServicesOfCurrentCore (&IoCstateFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
+ ASSERT (FamilyServices != NULL);
+ GenerateCsdObj = FamilyServices->IsCsdObjGenerated (FamilyServices, StdHeader);
+
+ if (GenerateCsdObj) {
+ CsdHeaderPtr = (CSD_HEADER_STRUCT *) *PstateAcpiBufferPtr;
+
+ // Set CSD Header
+ CsdHeaderPtr->NameOpcode = NAME_OPCODE;
+ CsdHeaderPtr->CsdName_a__ = CST_NAME__;
+ CsdHeaderPtr->CsdName_a_C = CST_NAME_C;
+ CsdHeaderPtr->CsdName_a_S = CST_NAME_S;
+ CsdHeaderPtr->CsdName_a_D = CSD_NAME_D;
+
+ CsdHeaderPtr++;
+ CsdBodyPtr = (CSD_BODY_STRUCT *) CsdHeaderPtr;
+
+ // Set CSD Body
+ CsdBodyPtr->PkgOpcode = PACKAGE_OPCODE;
+ CsdBodyPtr->PkgLength = CSD_BODY_SIZE - 1;
+ CsdBodyPtr->PkgElements = 1;
+ CsdBodyPtr->PkgOpcode2 = PACKAGE_OPCODE;
+ CsdBodyPtr->PkgLength2 = CSD_BODY_SIZE - 4; // CSD_BODY_SIZE - Package() - Package Opcode
+ CsdBodyPtr->PkgElements2 = 6;
+ CsdBodyPtr->BytePrefix = BYTE_PREFIX_OPCODE;
+ CsdBodyPtr->NumEntries = 6;
+ CsdBodyPtr->BytePrefix2 = BYTE_PREFIX_OPCODE;
+ CsdBodyPtr->Revision = 0;
+ CsdBodyPtr->DWordPrefix = DWORD_PREFIX_OPCODE;
+ CsdBodyPtr->Domain = (LocalApicId & 0xFE) >> 1;
+ CsdBodyPtr->DWordPrefix2 = DWORD_PREFIX_OPCODE;
+ CsdBodyPtr->CoordType = CSD_COORD_TYPE_HW_ALL;
+ CsdBodyPtr->DWordPrefix3 = DWORD_PREFIX_OPCODE;
+ CsdBodyPtr->NumProcessors = 0x2;
+ CsdBodyPtr->DWordPrefix4 = DWORD_PREFIX_OPCODE;
+ CsdBodyPtr->Index = 0x0;
+
+ CsdBodyPtr++;
+
+ // Update the pointer
+ *PstateAcpiBufferPtr = CsdBodyPtr;
+ }
+ }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Routine to check whether CSD object should be created.
+ *
+ * @param[in] IoCstateServices IO Cstate services.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @retval TRUE CSD Object should be created.
+ * @retval FALSE CSD Object should not be created.
+ *
+ */
+BOOLEAN
+F16KbIsCsdObjGenerated (
+ IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ // CSD Object should only be created when there are two cores per compute unit
+ if (GetComputeUnitMapping (StdHeader) == EvenCoresMapping) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+CONST IO_CSTATE_FAMILY_SERVICES ROMDATA F16KbIoCstateSupport =
+{
+ 0,
+ (PF_IO_CSTATE_IS_SUPPORTED) CommonReturnTrue,
+ F16KbInitializeIoCstate,
+ F16KbGetAcpiCstObj,
+ F16KbCreateAcpiCstObj,
+ F16KbIsCsdObjGenerated
+};