diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDHtAssist.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDHtAssist.c | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDHtAssist.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDHtAssist.c new file mode 100644 index 0000000000..33f7e040a5 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevDHtAssist.c @@ -0,0 +1,466 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_10 RevD HT Assist feature support functions. + * + * Provides the functions necessary to initialize the HT Assist 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. + * + * *************************************************************************** + * + */ + + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "CommonReturns.h" +#include "cpuRegisters.h" +#include "cpuF10PowerMgmt.h" +#include "cpuLateInit.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuHtAssist.h" +#include "F10PackageType.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FAMILY_0X10_REVD_F10REVDHTASSIST_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/** + * The family 10h background scrubber context structure. + * + * These fields need to be saved, modified, then restored + * per die as part of HT Assist initialization. + */ +typedef struct { + UINT32 DramScrub:5; ///< DRAM scrub rate + UINT32 :3; ///< Reserved + UINT32 L3Scrub:5; ///< L3 scrub rate + UINT32 :3; ///< Reserved + UINT32 Redirect:1; ///< DRAM scrubber redirect enable + UINT32 :15; ///< Reserved +} F10_SCRUB_CONTEXT; + + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +extern +VOID +F10RevDProbeFilterCritical ( + IN PCI_ADDR PciAddress, + IN UINT32 PciRegister + ); + +/*---------------------------------------------------------------------------------------*/ +/** + * Check to see if the input CPU supports HT Assist. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE HT Assist is supported. + * @retval FALSE HT Assist cannot be enabled. + * + */ +BOOLEAN +STATIC +F10IsHtAssistSupported ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Module; + UINT32 PciRegister; + BOOLEAN IsSupported; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredStatus; + + IsSupported = FALSE; + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = NB_CAPS_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + if (((NB_CAPS_REGISTER *) &PciRegister)->L3Capable == 1) { + IsSupported = TRUE; + } + break; + } + } + return IsSupported; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable the Probe filter feature. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10HtAssistInit ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Module; + UINT32 PciRegister; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredStatus; + + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = L3_CACHE_PARAM_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + ((L3_CACHE_PARAM_REGISTER *) &PciRegister)->L3TagInit = 1; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + do { + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + } while (((L3_CACHE_PARAM_REGISTER *) &PciRegister)->L3TagInit != 0); + + PciAddress.Address.Register = PROBE_FILTER_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + ((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFMode = 0; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + + F10RevDProbeFilterCritical (PciAddress, PciRegister); + + do { + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + } while (((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFInitDone != 1); + IDS_OPTION_HOOK (IDS_HT_ASSIST, &PciAddress, StdHeader); + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Save the current settings of the scrubbers, and disabled them. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] ScrubSettings Location to store current L3 scrubber settings. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10GetL3ScrubCtrl ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN UINT32 ScrubSettings[L3_SCRUBBER_CONTEXT_ARRAY_SIZE], + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Module; + UINT32 ScrubCtrl; + UINT32 ScrubAddr; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredStatus; + + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + + ASSERT (Module < L3_SCRUBBER_CONTEXT_ARRAY_SIZE); + + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = DRAM_SCRUB_ADDR_LOW_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &ScrubAddr, StdHeader); + + PciAddress.Address.Register = SCRUB_RATE_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &ScrubCtrl, StdHeader); + + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->DramScrub = + ((SCRUB_RATE_CTRL_REGISTER *) &ScrubCtrl)->DramScrub; + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->L3Scrub = + ((SCRUB_RATE_CTRL_REGISTER *) &ScrubCtrl)->L3Scrub; + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->Redirect = + ((DRAM_SCRUB_ADDR_LOW_REGISTER *) &ScrubAddr)->ScrubReDirEn; + + ((SCRUB_RATE_CTRL_REGISTER *) &ScrubCtrl)->DramScrub = 0; + ((SCRUB_RATE_CTRL_REGISTER *) &ScrubCtrl)->L3Scrub = 0; + ((DRAM_SCRUB_ADDR_LOW_REGISTER *) &ScrubAddr)->ScrubReDirEn = 0; + LibAmdPciWrite (AccessWidth32, PciAddress, &ScrubCtrl, StdHeader); + PciAddress.Address.Register = DRAM_SCRUB_ADDR_LOW_REG; + LibAmdPciWrite (AccessWidth32, PciAddress, &ScrubAddr, StdHeader); + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Restore the initial settings for the scrubbers. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] ScrubSettings Location to store current L3 scrubber settings. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10SetL3ScrubCtrl ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN UINT32 ScrubSettings[L3_SCRUBBER_CONTEXT_ARRAY_SIZE], + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Module; + UINT32 PciRegister; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredStatus; + + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + + ASSERT (Module < L3_SCRUBBER_CONTEXT_ARRAY_SIZE); + + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = SCRUB_RATE_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + ((SCRUB_RATE_CTRL_REGISTER *) &PciRegister)->DramScrub = + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->DramScrub; + ((SCRUB_RATE_CTRL_REGISTER *) &PciRegister)->L3Scrub = + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->L3Scrub; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + + PciAddress.Address.Register = DRAM_SCRUB_ADDR_LOW_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + ((DRAM_SCRUB_ADDR_LOW_REGISTER *) &PciRegister)->ScrubReDirEn = + ((F10_SCRUB_CONTEXT *) &ScrubSettings[Module])->Redirect; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Set MSR bits required for HT Assist on each core. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10HookDisableCache ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT64 MsrRegister; + + LibAmdMsrRead (MSR_BU_CFG2, &MsrRegister, StdHeader); + MsrRegister |= BIT42; + LibAmdMsrWrite (MSR_BU_CFG2, &MsrRegister, StdHeader); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Hook before the probe filter initialization sequence. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F10HookBeforeInit ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Module; + UINT32 PciRegister; + UINT32 PfCtrlRegister; + PCI_ADDR PciAddress; + CPU_LOGICAL_ID LogicalId; + AGESA_STATUS IgnoredStatus; + UINT32 PackageType; + + GetLogicalIdOfSocket (Socket, &LogicalId, StdHeader); + PackageType = LibAmdGetPackageType (StdHeader); + + PciRegister = 0; + ((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFWayNum = 2; + ((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFSubCacheEn = 15; + ((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFLoIndexHashEn = 1; + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + PciAddress.Address.Function = FUNC_3; + PciAddress.Address.Register = PROBE_FILTER_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &PfCtrlRegister, StdHeader); + ((PROBE_FILTER_CTRL_REGISTER *) &PciRegister)->PFPreferredSORepl = + ((PROBE_FILTER_CTRL_REGISTER *) &PfCtrlRegister)->PFPreferredSORepl; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + + // Assumption: all socket use the same CPU package. + if (((LogicalId.Revision & AMD_F10_D0) != 0) && (PackageType == PACKAGE_TYPE_C32)) { + // Apply erratum #384 + // Set F2x11C[13:12] = 11b + PciAddress.Address.Function = FUNC_2; + PciAddress.Address.Register = 0x11C; + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + PciRegister |= 0x3000; + LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader); + } + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Check to see if the input CPU is running in the optimal configuration. + * + * @param[in] HtAssistServices HT Assist family services. + * @param[in] Socket Processor socket to check. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE HT Assist is running sub-optimally. + * @retval FALSE HT Assist is running optimally. + * + */ +BOOLEAN +F10IsNonOptimalConfig ( + IN HT_ASSIST_FAMILY_SERVICES *HtAssistServices, + IN UINT32 Socket, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN IsNonOptimal; + BOOLEAN IsMemoryPresent; + UINT32 Module; + UINT32 PciRegister; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredStatus; + + IsNonOptimal = FALSE; + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredStatus)) { + IsMemoryPresent = FALSE; + PciAddress.Address.Function = FUNC_2; + PciAddress.Address.Register = DRAM_CFG_HI_REG0; + + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + if (((DRAM_CFG_HI_REGISTER *) &PciRegister)->MemClkFreqVal == 1) { + IsMemoryPresent = TRUE; + if (((DRAM_CFG_HI_REGISTER *) &PciRegister)->MemClkFreq < 4) { + IsNonOptimal = TRUE; + break; + } + } + + PciAddress.Address.Register = DRAM_CFG_HI_REG1; + + LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader); + if (((DRAM_CFG_HI_REGISTER *) &PciRegister)->MemClkFreqVal == 1) { + IsMemoryPresent = TRUE; + if (((DRAM_CFG_HI_REGISTER *) &PciRegister)->MemClkFreq < 4) { + IsNonOptimal = TRUE; + break; + } + } + if (!IsMemoryPresent) { + IsNonOptimal = TRUE; + break; + } + } + } + return IsNonOptimal; +} + + +CONST HT_ASSIST_FAMILY_SERVICES ROMDATA F10HtAssist = +{ + 0, + F10IsHtAssistSupported, + F10HtAssistInit, + (PF_ATM_MODE_INIT) CommonVoid, + F10GetL3ScrubCtrl, + F10SetL3ScrubCtrl, + F10HookBeforeInit, + (PF_HT_ASSIST_AFTER_INIT) CommonVoid, + F10HookDisableCache, + (PF_HT_ASSIST_ENABLE_CACHE) CommonVoid, + F10IsNonOptimalConfig +}; 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