diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/cpuF10Cpb.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/cpuF10Cpb.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/cpuF10Cpb.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/cpuF10Cpb.c new file mode 100644 index 0000000000..d175ff17f7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/cpuF10Cpb.c @@ -0,0 +1,179 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_10 CPB Initialization + * + * Enables core performance boost. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/F10 + * @e \$Revision: 35636 $ @e \$Date: 2010-07-28 09:24:55 +0800 (Wed, 28 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 "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuF10PowerMgmt.h" +#include "cpuFeatures.h" +#include "cpuRegisters.h" +#include "cpuCpb.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FAMILY_0X10_CPUF10CPB_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 + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * BSC entry point for checking whether or not CPB is supported. + * + * @param[in] CpbServices The current CPU's family services. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] Socket Zero based socket number to check. + * @param[in] StdHeader Config handle for library and services. + * + * @retval TRUE CPB is supported. + * @retval FALSE CPB is not supported. + * + */ +BOOLEAN +STATIC +F10IsCpbSupported ( + IN CPB_FAMILY_SERVICES *CpbServices, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 CpbControl; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredSts; + CPUID_DATA CpuidData; + + CpbControl = 0; + LibAmdCpuidRead (AMD_CPUID_APM, &CpuidData, StdHeader); + if (((CpuidData.EDX_Reg & 0x00000200) >> 9) == 1) { + GetPciAddress (StdHeader, Socket, 0, &PciAddress, &IgnoredSts); + PciAddress.Address.Function = FUNC_4; + PciAddress.Address.Register = CPB_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader); + } + return (BOOLEAN) (((CPB_CTRL_REGISTER *) (&CpbControl))->NumBoostStates != 0); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * BSC entry point for for enabling Core Performance Boost. + * + * Set up F4x15C[BoostSrc] and start the PDMs according to the BKDG. + * + * @param[in] CpbServices The current CPU's family services. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] EntryPoint Current CPU feature dispatch point. + * @param[in] Socket Zero based socket number to check. + * @param[in] StdHeader Config handle for library and services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +STATIC +F10InitializeCpb ( + IN CPB_FAMILY_SERVICES *CpbServices, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN UINT64 EntryPoint, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 CpbControl; + UINT32 Module; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredSts; + + if ((EntryPoint & CPU_FEAT_BEFORE_PM_INIT) != 0) { + for (Module = 0; Module < (UINT8)GetPlatformNumberOfModules (); Module++) { + GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredSts); + PciAddress.Address.Function = FUNC_4; + PciAddress.Address.Register = CPB_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader); + ((CPB_CTRL_REGISTER *) (&CpbControl))->BoostSrc = 3; + IDS_OPTION_HOOK (IDS_CPB_CTRL, &CpbControl, StdHeader); + LibAmdPciWrite (AccessWidth32, PciAddress, &CpbControl, StdHeader); + + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = POPUP_PSTATE_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader); + ((POPUP_PSTATE_REGISTER *) (&CpbControl))->CacheFlushPopDownEn = 1; + LibAmdPciWrite (AccessWidth32, PciAddress, &CpbControl, StdHeader); + } + } + return AGESA_SUCCESS; +} + +CONST CPB_FAMILY_SERVICES ROMDATA F10CpbSupport = +{ + 0, + F10IsCpbSupported, + F10InitializeCpb +}; 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