diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x10/RevC/F10RevCHwC1e.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x10/RevC/F10RevCHwC1e.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x10/RevC/F10RevCHwC1e.c b/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x10/RevC/F10RevCHwC1e.c new file mode 100755 index 0000000000..5e10d96041 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x10/RevC/F10RevCHwC1e.c @@ -0,0 +1,194 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_10 HW C1e feature support functions. + * + * Provides the functions necessary to initialize the hardware C1e feature. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/F10 + * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (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 "cpuRegisters.h" +#include "cpuHwC1e.h" +#include "cpuApicUtilities.h" +#include "cpuF10PowerMgmt.h" +#include "cpuFamilyTranslation.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) +#define FILECODE PROC_CPU_FAMILY_0X10_REVC_F10REVCHWC1E_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 +F10InitializeHwC1eOnCore ( + IN VOID *IntPendMsr, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Should hardware C1e be enabled + * + * @param[in] HwC1eServices Pointer to this CPU's HW C1e family services. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE HW C1e is supported. + * + */ +BOOLEAN +STATIC +F10IsHwC1eSupported ( + IN HW_C1E_FAMILY_SERVICES *HwC1eServices, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + CPU_LOGICAL_ID LogicalId; + + GetLogicalIdOfCurrentCore (&LogicalId, StdHeader); + + if (((LogicalId.Revision & AMD_F10_RB_ALL) & ~(AMD_F10_RB_C3)) != 0) { + return FALSE; + } + return TRUE; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable Hardware C1e on a family 10h CPU. + * + * @param[in] HwC1eServices 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 +F10InitializeHwC1e ( + IN HW_C1E_FAMILY_SERVICES *HwC1eServices, + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 C1eData; + UINT64 LocalMsrRegister; + AP_TASK TaskPtr; + + LocalMsrRegister = 0; + C1eData = PlatformConfig->C1ePlatformData; + + if (PlatformConfig->C1eMode == C1eModeAuto) { + C1eData = PlatformConfig->C1ePlatformData3; + } + + ((INTPEND_MSR *) &LocalMsrRegister)->IoMsgAddr = C1eData; + ((INTPEND_MSR *) &LocalMsrRegister)->IoRd = 1; + ((INTPEND_MSR *) &LocalMsrRegister)->C1eOnCmpHalt = 1; + ((INTPEND_MSR *) &LocalMsrRegister)->SmiOnCmpHalt = 0; + + TaskPtr.FuncAddress.PfApTaskI = F10InitializeHwC1eOnCore; + 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 Hardware C1e on a family 10h core. + * + * @param[in] IntPendMsr MSR value to write to C001_0055 as determined by core 0. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10InitializeHwC1eOnCore ( + IN VOID *IntPendMsr, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT64 LocalMsrRegister; + + // Enable C1e + LibAmdMsrWrite (MSR_INTPEND, (UINT64 *) IntPendMsr, StdHeader); + + // Set OS Visible Workaround Status BIT1 to indicate that C1e + // is enabled. + LibAmdMsrRead (MSR_OSVW_Status, &LocalMsrRegister, StdHeader); + LocalMsrRegister |= BIT1; + LibAmdMsrWrite (MSR_OSVW_Status, &LocalMsrRegister, StdHeader); +} + + +CONST HW_C1E_FAMILY_SERVICES ROMDATA F10HwC1e = +{ + 0, + F10IsHwC1eSupported, + F10InitializeHwC1e +}; |