diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDMsgBasedC1e.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDMsgBasedC1e.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDMsgBasedC1e.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDMsgBasedC1e.c new file mode 100644 index 0000000000..54e0d5fd83 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDMsgBasedC1e.c @@ -0,0 +1,277 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_10 RevD Message-Based C1e feature support functions. + * + * Provides the functions necessary to initialize the message-based C1e feature. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/F10 + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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 "cpuRegisters.h" +#include "cpuFamilyTranslation.h" +#include "cpuFeatures.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuMsgBasedC1e.h" +#include "cpuApicUtilities.h" +#include "cpuF10PowerMgmt.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FAMILY_0X10_REVD_F10REVDMSGBASEDC1E_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 +F10InitializeMsgBasedC1eOnCore ( + IN VOID *BmStsAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +BOOLEAN +STATIC +IsDramScrubberEnabled ( + IN PCI_ADDR PciAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Should message-based C1e be enabled + * + * @param[in] MsgBasedC1eServices Pointer to this CPU's HW C1e family services. + * @param[in] Socket Processor socket to check. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE HW C1e is supported. + * + */ +BOOLEAN +STATIC +F10IsMsgBasedC1eSupported ( + IN MSG_BASED_C1E_FAMILY_SERVICES *MsgBasedC1eServices, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + CPU_LOGICAL_ID LogicalId; + + GetLogicalIdOfSocket (Socket, &LogicalId, StdHeader); + return ((BOOLEAN) ((LogicalId.Revision & AMD_F10_GT_D0) != 0)); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Core 0 task to enable message-based C1e on a family 10h CPU. + * + * @param[in] MsgBasedC1eServices Pointer to this CPU's HW C1e 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 +F10InitializeMsgBasedC1e ( + IN MSG_BASED_C1E_FAMILY_SERVICES *MsgBasedC1eServices, + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 AndMask; + UINT32 Core; + UINT32 Module; + UINT32 OrMask; + UINT32 PciRegister; + UINT32 Socket; + AP_TASK TaskPtr; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredSts; + + if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) { + // Note that this core 0 does NOT have the ability to launch + // any of its cores. Attempting to do so could lead to a system + // hang. + + // Set F3xA0[IdleExitEn] = 1 + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = PW_CTL_MISC_REG; + AndMask = 0xFFFFFFFF; + OrMask = 0; + ((POWER_CTRL_MISC_REGISTER *) &OrMask)->IdleExitEn = 1; + ModifyCurrentSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3xA0 + + // Set F3x188[EnStpGntOnFlushMaskWakeup] = 1 + PciAddress.Address.Register = NB_EXT_CFG_LO_REG; + OrMask = 0; + ((NB_EXT_CFG_LO_REGISTER *) &OrMask)->EnStpGntOnFlushMaskWakeup = 1; + ModifyCurrentSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3x188 + + // Set F3xD4[MTC1eEn] = 1, F3xD4[CacheFlushImmOnAllHalt] = 1 + // Set F3xD4[StutterScrubEn] = 1 if scrubbing is enabled + ((CLK_PWR_TIMING_CTRL_REGISTER *) &AndMask)->StutterScrubEn = 0; + OrMask = 0; + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->MTC1eEn = 1; + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->CacheFlushImmOnAllHalt = 1; + + IdentifyCore (StdHeader, &Socket, &Module, &Core, &IgnoredSts); + + for (Module = 0; Module < (UINT8)GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredSts)) { + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = CPTC0_REG; + if (IsDramScrubberEnabled (PciAddress, StdHeader)) { + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->StutterScrubEn = 1; + } else { + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->StutterScrubEn = 0; + } + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + PciRegister &= AndMask; + PciRegister |= OrMask; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + } + } + + } else if (EntryPoint == CPU_FEAT_AFTER_PM_INIT) { + // At early, this core 0 can launch its subordinate cores. + TaskPtr.FuncAddress.PfApTaskI = F10InitializeMsgBasedC1eOnCore; + TaskPtr.DataTransfer.DataSizeInDwords = 1; + TaskPtr.DataTransfer.DataPtr = &PlatformConfig->C1ePlatformData; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = WAIT_FOR_CORE; + ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, NULL); + } + + return AGESA_SUCCESS; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable message-based C1e on a family 10h core. + * + * @param[in] BmStsAddress System I/O address of the bus master status bit. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10InitializeMsgBasedC1eOnCore ( + IN VOID *BmStsAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT64 MsrRegister; + + // Set MSRC001_0055[SmiOnCmpHalt] = 0, MSRC001_0055[C1eOnCmpHalt] = 0 + LibAmdMsrRead (MSR_INTPEND, &MsrRegister, StdHeader); + ((INTPEND_MSR *) &MsrRegister)->SmiOnCmpHalt = 0; + ((INTPEND_MSR *) &MsrRegister)->C1eOnCmpHalt = 0; + ((INTPEND_MSR *) &MsrRegister)->BmStsClrOnHltEn = 1; + ((INTPEND_MSR *) &MsrRegister)->IntrPndMsgDis = 0; + ((INTPEND_MSR *) &MsrRegister)->IntrPndMsg = 0; + ((INTPEND_MSR *) &MsrRegister)->IoMsgAddr = (UINT64) *((UINT32 *) BmStsAddress); + LibAmdMsrWrite (MSR_INTPEND, &MsrRegister, StdHeader); + + // Set MSRC001_0015[HltXSpCycEn] = 1 + LibAmdMsrRead (MSR_HWCR, &MsrRegister, StdHeader); + MsrRegister |= BIT12; + LibAmdMsrWrite (MSR_HWCR, &MsrRegister, StdHeader); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Check to see if the DRAM background scrubbers are enabled or not. + * + * @param[in] PciAddress Address of F10 socket/module to check. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE Memory scrubbers are enabled on the current node. + * @retval FALSE Memory scrubbers are disabled on the current node. + */ +BOOLEAN +STATIC +IsDramScrubberEnabled ( + IN PCI_ADDR PciAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 PciRegister; + + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = 0x58; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + return ((BOOLEAN) ((PciRegister & 0x1F) != 0)); +} + + +CONST MSG_BASED_C1E_FAMILY_SERVICES ROMDATA F10MsgBasedC1e = +{ + 0, + F10IsMsgBasedC1eSupported, + F10InitializeMsgBasedC1e +}; |