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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Utilities.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Utilities.c | 1204 |
1 files changed, 1204 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Utilities.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Utilities.c new file mode 100644 index 0000000000..c319a817de --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Utilities.c @@ -0,0 +1,1204 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_15 specific utility functions. + * + * Provides numerous utility functions specific to family 15h. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Family/0x15 + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + */ +/* + ****************************************************************************** + * + * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. + * + * AMD is granting you permission to use this software (the Materials) + * pursuant to the terms and conditions of your Software License Agreement + * with AMD. This header does *NOT* give you permission to use the Materials + * or any rights under AMD's intellectual property. Your use of any portion + * of these Materials shall constitute your acceptance of those terms and + * conditions. If you do not agree to the terms and conditions of the Software + * License Agreement, please do not use any portion of these Materials. + * + * CONFIDENTIALITY: The Materials and all other information, identified as + * confidential and provided to you by AMD shall be kept confidential in + * accordance with the terms and conditions of the Software License Agreement. + * + * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION + * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF + * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, + * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. + * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER + * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS + * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, + * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER + * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE + * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, + * THE ABOVE LIMITATION MAY NOT APPLY TO YOU. + * + * AMD does not assume any responsibility for any errors which may appear in + * the Materials or any other related information provided to you by AMD, or + * result from use of the Materials or any related information. + * + * You agree that you will not reverse engineer or decompile the Materials. + * + * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any + * further information, software, technical information, know-how, or show-how + * available to you. Additionally, AMD retains the right to modify the + * Materials at any time, without notice, and is not obligated to provide such + * modified Materials to you. + * + * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with + * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is + * subject to the restrictions as set forth in FAR 52.227-14 and + * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the + * Government constitutes acknowledgement of AMD's proprietary rights in them. + * + * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any + * direct product thereof will be exported directly or indirectly, into any + * country prohibited by the United States Export Administration Act and the + * regulations thereunder, without the required authorization from the U.S. + * government nor will be used for any purpose prohibited by the same. + ****************************************************************************** + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "cpuRegisters.h" +#include "cpuFamilyTranslation.h" +#include "cpuPstateTables.h" +#include "cpuF15PowerMgmt.h" +#include "cpuApicUtilities.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuF15Utilities.h" +#include "cpuEarlyInit.h" +#include "cpuPostInit.h" +#include "cpuFeatures.h" +#include "OptionMultiSocket.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) +#define FILECODE PROC_CPU_FAMILY_0X15_CPUF15UTILITIES_FILECODE + +/*---------------------------------------------------------------------------------------- + * 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 PstateFamilyServiceTable; +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +// HT Phy registers used in code. +#define HT_PHY_FUSE_PROC_DLL_PROCESS_COMP_RD_SL0 0x4011 +#define HT_PHY_FUSE_PROC_DLL_PROCESS_COMP_RD_SL1 0x4411 +#define HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_RD 0x400F +#define HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_SL0 0x520F +#define HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_SL1 0x530F + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + +/** + * HT PHY DLL Process Compensation Lookup Table. + * + * If the hardware provides compensation values, the value is provided by accessing the bitfield + * [HiBit:LoBit]. Otherwise, a default value will be used. + * + */ +typedef struct { + UINT32 DefaultComp; ///< The default compensation value if not provided by hardware. + UINT8 CtlIndexLoBit; ///< The low bit position of the compensation value. + UINT8 CtlIndexHiBit; ///< The high bit position of the compensation value. +} HT_PHY_DLL_COMP_LOOKUP_TABLE; + +/** + * Process Compensation Fuses for HT PHY, Link Phy Receiver Process Fuse Control Register. + */ +typedef struct { + UINT32 :11; + UINT32 DllProcessComp10:2; ///< [12:11] DLL Process Comp bits [1:0], this phy's adjustment. + UINT32 DllProcessComp2:1; ///< [13] DLL Process Comp bit 2, Increment or Decrement. + UINT32 : (31 - 13); +} LINK_PHY_RECEIVER_PROCESS_FUSE_CONTROL_FIELDS; + +/// Access register as fields or uint32 value. +typedef union { + UINT32 Value; ///< 32 bit value for register access + LINK_PHY_RECEIVER_PROCESS_FUSE_CONTROL_FIELDS Fields; ///< The register bit fields +} LINK_PHY_RECEIVER_PROCESS_FUSE_CONTROL; + +/** + * Link Phy Receiver Process DLL Control Register. + */ +typedef struct { + UINT32 DllProcessFreqCtlIndex2:4; ///< [3:0] The DLL Compensation override. + UINT32 : (12 - 4); + UINT32 DllProcessFreqCtlOverride:1; ///< [12] Enable DLL Compensation overriding. + UINT32 : (31 - 12); +} LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_FIELDS; + +/// Access register as fields or uint32 value. +typedef union { + UINT32 Value; ///< 32 bit value for register access + LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_FIELDS Fields; ///< The register bit fields +} LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL; + +/** + * Provide the HT PHY DLL compensation value for each HT Link frequency. + * + * The HT Frequency enum is not contiguous, there are skipped values. Rather than complicate + * index calculations, add Invalid entries here marked with an invalid compensation value (invalid + * because real compensation values are 0 .. 15). + */ +CONST STATIC HT_PHY_DLL_COMP_LOOKUP_TABLE ROMDATA HtPhyDllCompLookupTable[] = { + {0xAul, 0, 3}, // HT_FREQUENCY_1200M + {0xAul, 0, 3}, // HT_FREQUENCY_1400M + {0x7ul, 4, 7}, // HT_FREQUENCY_1600M + {0x7ul, 4, 7}, // HT_FREQUENCY_1800M + {0x5ul, 8, 11}, // HT_FREQUENCY_2000M + {0x5ul, 8, 11}, // HT_FREQUENCY_2200M + {0x4ul, 12, 15}, // HT_FREQUENCY_2400M + {0x3ul, 16, 19}, // HT_FREQUENCY_2600M + {0xFFFFFFFFul, 0, 0}, // Invalid + {0xFFFFFFFFul, 0, 0}, // Invalid + {0x3ul, 20, 23}, // HT_FREQUENCY_2800M + {0x2ul, 24, 27}, // HT_FREQUENCY_3000M + {0x2ul, 28, 31} // HT_FREQUENCY_3200M +}; + +/*---------------------------------------------------------------------------------------- + * 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 + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Disables the desired P-state. + * + * @CpuServiceMethod{::F_CPU_DISABLE_PSTATE}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StateNumber The P-State to disable. + * @param[in] StdHeader Header for library and services + * + * @retval AGESA_SUCCESS Always succeeds. + */ +AGESA_STATUS +F15DisablePstate ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN UINT8 StateNumber, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT64 LocalMsrRegister; + + ASSERT (StateNumber < NM_PS_REG); + LibAmdMsrRead (PS_REG_BASE + (UINT32) StateNumber, &LocalMsrRegister, StdHeader); + ((F15_PSTATE_MSR *) &LocalMsrRegister)->PsEnable = 0; + LibAmdMsrWrite (PS_REG_BASE + (UINT32) StateNumber, &LocalMsrRegister, StdHeader); + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Transitions the executing core to the desired P-state. + * + * @CpuServiceMethod{::F_CPU_TRANSITION_PSTATE}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StateNumber The new P-State to make effective. + * @param[in] WaitForTransition True if the caller wants the transition completed upon return. + * @param[in] StdHeader Header for library and services + * + * @retval AGESA_SUCCESS Always Succeeds + */ +AGESA_STATUS +F15TransitionPstate ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN UINT8 StateNumber, + IN BOOLEAN WaitForTransition, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT64 LocalMsrRegister; + + LibAmdMsrRead (MSR_PSTATE_CURRENT_LIMIT, &LocalMsrRegister, StdHeader); + ASSERT (((PSTATE_CURLIM_MSR *) &LocalMsrRegister)->PstateMaxVal >= StateNumber); + LibAmdMsrRead (MSR_PSTATE_CTL, &LocalMsrRegister, StdHeader); + ((PSTATE_CTRL_MSR *) &LocalMsrRegister)->PstateCmd = (UINT64) StateNumber; + LibAmdMsrWrite (MSR_PSTATE_CTL, &LocalMsrRegister, StdHeader); + if (WaitForTransition) { + do { + LibAmdMsrRead (MSR_PSTATE_STS, &LocalMsrRegister, StdHeader); + } while (((PSTATE_STS_MSR *) &LocalMsrRegister)->CurPstate != (UINT64) StateNumber); + } + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Determines the rate at which the executing core's time stamp counter is + * incrementing. + * + * @CpuServiceMethod{::F_CPU_GET_TSC_RATE}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[out] FrequencyInMHz TSC actual frequency. + * @param[in] StdHeader Header for library and services. + * + * @return The most severe status of all called services + */ +AGESA_STATUS +F15GetTscRate ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + OUT UINT32 *FrequencyInMHz, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 NumBoostStates; + UINT32 LocalPciRegister; + UINT64 LocalMsrRegister; + PCI_ADDR PciAddress; + PSTATE_CPU_FAMILY_SERVICES *FamilyServices; + + LibAmdMsrRead (0xC0010015, &LocalMsrRegister, StdHeader); + if ((LocalMsrRegister & 0x01000000) != 0) { + FamilyServices = NULL; + GetFeatureServicesOfCurrentCore (&PstateFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); + ASSERT (FamilyServices != NULL); + OptionMultiSocketConfiguration.GetCurrPciAddr (&PciAddress, StdHeader); + PciAddress.Address.Function = FUNC_4; + PciAddress.Address.Register = CPB_CTRL_REG; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + NumBoostStates = (UINT8) ((F15_CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates; + return (FamilyServices->GetPstateFrequency (FamilyServices, NumBoostStates, FrequencyInMHz, StdHeader)); + } else { + return (FamilySpecificServices->GetCurrentNbFrequency (FamilySpecificServices, FrequencyInMHz, StdHeader)); + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Initially launches the desired core to run from the reset vector. + * + * @CpuServiceMethod{::F_CPU_AP_INITIAL_LAUNCH}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] SocketNum The Processor on which the core is to be launched + * @param[in] ModuleNum The Module in that processor containing that core + * @param[in] CoreNum The Core to launch + * @param[in] PrimaryCoreNum The id of the module's primary core. + * @param[in] StdHeader Header for library and services + * + * @retval TRUE The core was launched + * @retval FALSE The core was previously launched + */ +BOOLEAN +F15LaunchApCore ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN UINT32 SocketNum, + IN UINT32 ModuleNum, + IN UINT32 CoreNum, + IN UINT32 PrimaryCoreNum, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 NodeRelativeCoreNum; + UINT32 LocalPciRegister; + PCI_ADDR PciAddress; + BOOLEAN LaunchFlag; + AGESA_STATUS Ignored; + + // Code Start + LaunchFlag = FALSE; + NodeRelativeCoreNum = CoreNum - PrimaryCoreNum; + GetPciAddress (StdHeader, SocketNum, ModuleNum, &PciAddress, &Ignored); + PciAddress.Address.Function = FUNC_0; + + switch (NodeRelativeCoreNum) { + case 0: + PciAddress.Address.Register = HT_INIT_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & HT_INIT_CTRL_REQ_DIS) != 0) { + LocalPciRegister &= ~HT_INIT_CTRL_REQ_DIS; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 1: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE1_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE1_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 2: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + + if ((LocalPciRegister & CORE_CTRL_CORE2_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE2_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, + StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 3: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE3_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE3_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 4: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE4_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE4_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 5: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE5_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE5_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 6: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE6_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE6_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 7: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE7_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE7_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 8: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE8_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE8_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + case 9: + PciAddress.Address.Register = CORE_CTRL; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((LocalPciRegister & CORE_CTRL_CORE9_EN) == 0) { + LocalPciRegister |= CORE_CTRL_CORE9_EN; + LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + LaunchFlag = TRUE; + } else { + LaunchFlag = FALSE; + } + break; + + default: + break; + } + + return (LaunchFlag); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Provide the features of the next HT link. + * + * @CpuServiceMethod{::F_GET_NEXT_HT_LINK_FEATURES}. + * + * This method is different than the HT Phy Features method, because for the phy registers + * sublink 1 matches and should be programmed if the link is ganged but for PCI config + * registers sublink 1 is reserved if the link is ganged. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in,out] Link Initially zero, each call returns the link number; + * caller passes it back unmodified each call. + * @param[in,out] LinkBase Initially the PCI bus, device, function=0, offset=0; + * Each call returns the HT Host Capability function and offset; + * Caller may use it to access registers, but must @b not modify it; + * Each new call passes the previous value as input. + * @param[out] HtHostFeats The link's features. + * @param[in] StdHeader Standard Head Pointer + * + * @retval TRUE Valid link and features found. + * @retval FALSE No more links. + */ +BOOLEAN +F15GetNextHtLinkFeatures ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN OUT UINTN *Link, + IN OUT PCI_ADDR *LinkBase, + OUT HT_HOST_FEATS *HtHostFeats, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + PCI_ADDR PciAddress; + UINT32 RegValue; + UINT32 ExtendedFreq; + UINTN LinkOffset; + BOOLEAN Result; + + ASSERT (FamilySpecificServices != NULL); + + // No features present unless link is good and connected. + HtHostFeats->HtHostValue = 0; + + Result = TRUE; + + // Find next link. + if (LinkBase->Address.Register == 0) { + // Beginning iteration now. + LinkBase->Address.Register = HT_CAPABILITIES_POINTER; + LibAmdPciReadBits (*LinkBase, 7, 0, &RegValue, StdHeader); + } else { + // Get next link offset. + LibAmdPciReadBits (*LinkBase, 15, 8, &RegValue, StdHeader); + } + if (RegValue == 0) { + // Are we at the end? Check if we can move to another function. + if (LinkBase->Address.Function == 0) { + LinkBase->Address.Function = 4; + LinkBase->Address.Register = HT_CAPABILITIES_POINTER; + LibAmdPciReadBits (*LinkBase, 7, 0, &RegValue, StdHeader); + } + } + + if (RegValue != 0) { + // Not at end, process the found link. + LinkBase->Address.Register = RegValue; + // Compute link number + *Link = (((LinkBase->Address.Function == 4) ? 4 : 0) + ((LinkBase->Address.Register - 0x80) >> 5)); + + // Handle pending link power off, check End of Chain, Xmit Off. + PciAddress = *LinkBase; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_CONTROL_REG_OFFSET; + LibAmdPciReadBits (PciAddress, 7, 6, &RegValue, StdHeader); + if (RegValue == 0) { + // Check coherency (HTHOST_LINK_TYPE_REG = 0x18) + PciAddress = *LinkBase; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_TYPE_REG_OFFSET; + LibAmdPciReadBits (PciAddress, 4, 0, &RegValue, StdHeader); + if (RegValue == 3) { + HtHostFeats->HtHostFeatures.Coherent = 1; + } else if (RegValue == 7) { + HtHostFeats->HtHostFeatures.NonCoherent = 1; + } + } + + // If link was not connected, don't check other attributes, make sure + // to return zero, no match. + if ((HtHostFeats->HtHostFeatures.Coherent == 1) || (HtHostFeats->HtHostFeatures.NonCoherent == 1)) { + // Check gen3 + PciAddress = *LinkBase; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_EXTENDED_FREQ; + LibAmdPciRead (AccessWidth32, PciAddress, &ExtendedFreq, StdHeader); + PciAddress = *LinkBase; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_FREQ_OFFSET; + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + RegValue = (((ExtendedFreq & 0x1) << 4) | ((RegValue & 0x00000F00) >> 8)); + if (RegValue > 6) { + HtHostFeats->HtHostFeatures.Ht3 = 1; + } else { + HtHostFeats->HtHostFeatures.Ht1 = 1; + } + // Check ganged. Must check the bit for sublink 0. + LinkOffset = (*Link > 3) ? ((*Link - 4) * 4) : (*Link * 4); + PciAddress = *LinkBase; + PciAddress.Address.Function = 0; + PciAddress.Address.Register = ((UINT32)LinkOffset + 0x170); + LibAmdPciReadBits (PciAddress, 0, 0, &RegValue, StdHeader); + if (RegValue == 0) { + HtHostFeats->HtHostFeatures.UnGanged = 1; + } else { + if (*Link < 4) { + HtHostFeats->HtHostFeatures.Ganged = 1; + } else { + // If this is a sublink 1 but it will be ganged, clear all features. + HtHostFeats->HtHostValue = 0; + } + } + } + } else { + // end of links. + Result = FALSE; + } + return Result; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Checks to see if the HT phy register table entry should be applied + * + * @CpuServiceMethod{::F_NEXT_LINK_HAS_HTFPY_FEATS}. + * + * Find the next link which matches, if any. + * This method will match for sublink 1 if the link is ganged and sublink 0 matches. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in,out] HtHostCapability Initially the PCI bus, device, function=0, offset=0; + * Each call returns the HT Host Capability function and offset; + * Caller may use it to access registers, but must @b not modify it; + * Each new call passes the previous value as input. + * @param[in,out] Link Initially zero, each call returns the link number; caller passes it back unmodified each call. + * @param[in] HtPhyLinkType Link type field from a register table entry to compare against + * @param[out] MatchedSublink1 TRUE: It is actually just sublink 1 that matches, FALSE: any other condition. + * @param[out] Frequency0 The frequency of sublink0 (200 MHz if not connected). + * @param[out] Frequency1 The frequency of sublink1 (200 MHz if not connected). + * @param[in] StdHeader Standard Head Pointer + * + * @retval TRUE Link matches + * @retval FALSE No more links + * + */ +BOOLEAN +F15NextLinkHasHtPhyFeats ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN OUT PCI_ADDR *HtHostCapability, + IN OUT UINT32 *Link, + IN HT_PHY_LINK_FEATS *HtPhyLinkType, + OUT BOOLEAN *MatchedSublink1, + OUT HT_FREQUENCIES *Frequency0, + OUT HT_FREQUENCIES *Frequency1, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 RegValue; + UINT32 ExtendedFreq; + UINT32 InternalLinks; + UINT32 Width; + PCI_ADDR PciAddress; + PCI_ADDR SubLink1Address; + HT_PHY_LINK_FEATS LinkType; + BOOLEAN IsReallyCheckingBoth; + BOOLEAN IsFound; + BOOLEAN Result; + + ASSERT (*Link < 4); + ASSERT (HtPhyLinkType != NULL); + // error checks: No unknown link type bits set and not a "match none" + ASSERT ((HtPhyLinkType->HtPhyLinkValue & ~(HTPHY_LINKTYPE_ALL | HTPHY_LINKTYPE_SL0_AND | HTPHY_LINKTYPE_SL1_AND)) == 0); + ASSERT (HtPhyLinkType->HtPhyLinkValue != 0); + + Result = FALSE; + IsFound = FALSE; + while (!IsFound) { + *Frequency0 = 0; + *Frequency1 = 0; + IsReallyCheckingBoth = FALSE; + *MatchedSublink1 = FALSE; + LinkType.HtPhyLinkValue = 0; + + // Find next link. + PciAddress = *HtHostCapability; + if (PciAddress.Address.Register == 0) { + // Beginning iteration now. + PciAddress.Address.Register = HT_CAPABILITIES_POINTER; + LibAmdPciReadBits (PciAddress, 7, 0, &RegValue, StdHeader); + } else { + // Get next link offset. + LibAmdPciReadBits (PciAddress, 15, 8, &RegValue, StdHeader); + } + if (RegValue != 0) { + HtHostCapability->Address.Register = RegValue; + // Compute link number of this sublink pair (so we don't need to account for function). + *Link = ((HtHostCapability->Address.Register - 0x80) >> 5); + + // Set the link indicators. This assumes each sublink set is contiguous, that is, links 3, 2, 1, 0 and 7, 6, 5, 4. + LinkType.HtPhyLinkValue |= (HTPHY_LINKTYPE_SL0_LINK0 << *Link); + LinkType.HtPhyLinkValue |= (HTPHY_LINKTYPE_SL1_LINK4 << *Link); + + // Read IntLnkRoute from the Link Initialization Status register. + PciAddress = *HtHostCapability; + PciAddress.Address.Function = 0; + PciAddress.Address.Register = 0x1A0; + LibAmdPciReadBits (PciAddress, 23, 16, &InternalLinks, StdHeader); + + // if ganged, don't read sublink 1, but use sublink 0 to check. + SubLink1Address = *HtHostCapability; + + // Check ganged. Since we got called for sublink 0, sublink 1 is implemented also, + // but only access it if it is also unganged. + PciAddress = *HtHostCapability; + PciAddress.Address.Function = 0; + PciAddress.Address.Register = ((*Link * 4) + 0x170); + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + RegValue = (RegValue & 0x01); + if (RegValue == 0) { + // Then really read sublink1, rather than using sublink0 + SubLink1Address.Address.Function = 4; + IsReallyCheckingBoth = TRUE; + } + + // Checks for Sublink 0 + + // Handle pending link power off, check End of Chain, Xmit Off. + PciAddress = *HtHostCapability; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_CONTROL_REG_OFFSET; + LibAmdPciReadBits (PciAddress, 7, 6, &RegValue, StdHeader); + if (RegValue == 0) { + // Check coherency (HTHOST_LINK_TYPE_REG = 0x18) + PciAddress = *HtHostCapability; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_TYPE_REG_OFFSET; + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + if ((RegValue & 0x1F) == 3) { + LinkType.HtPhyLinkFeatures.HtPhySL0Coh = 1; + } else if ((RegValue & 0x1F) == 7) { + LinkType.HtPhyLinkFeatures.HtPhySL0NonCoh = 1; + } + } + + // If link was not connected, don't check other attributes, make sure + // to return zero, no match. (Phy may be powered off.) + if ((LinkType.HtPhyLinkFeatures.HtPhySL0Coh) || (LinkType.HtPhyLinkFeatures.HtPhySL0NonCoh)) { + // Check gen3 + PciAddress = *HtHostCapability; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_EXTENDED_FREQ; + LibAmdPciRead (AccessWidth32, PciAddress, &ExtendedFreq, StdHeader); + PciAddress = *HtHostCapability; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_FREQ_OFFSET; + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + RegValue = (((ExtendedFreq & 0x1) << 4) | ((RegValue & 0x00000F00) >> 8)); + *Frequency0 = RegValue; + if (RegValue > 6) { + LinkType.HtPhyLinkFeatures.HtPhySL0Ht3 = 1; + } else { + LinkType.HtPhyLinkFeatures.HtPhySL0Ht1 = 1; + } + // Check internal / external + if ((InternalLinks & (1 << *Link)) == 0) { + // External + LinkType.HtPhyLinkFeatures.HtPhySL0External = 1; + } else { + // Internal + LinkType.HtPhyLinkFeatures.HtPhySL0Internal = 1; + } + } else { + LinkType.HtPhyLinkValue &= ~(HTPHY_LINKTYPE_SL0_ALL); + } + + // Checks for Sublink 1 + // Handle pending link power off, check End of Chain, Xmit Off. + // Also, if the links are ganged but the width is not 16 bits, treat it is an inactive lane. + PciAddress = SubLink1Address; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_CONTROL_REG_OFFSET; + LibAmdPciReadBits (PciAddress, 7, 6, &RegValue, StdHeader); + LibAmdPciReadBits (PciAddress, 31, 24, &Width, StdHeader); + if ((RegValue == 0) && (IsReallyCheckingBoth || (Width == 0x11))) { + // Check coherency (HTHOST_LINK_TYPE_REG = 0x18) + PciAddress = SubLink1Address; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_TYPE_REG_OFFSET; + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + if ((RegValue & 0x1F) == 3) { + LinkType.HtPhyLinkFeatures.HtPhySL1Coh = 1; + } else if ((RegValue & 0x1F) == 7) { + LinkType.HtPhyLinkFeatures.HtPhySL1NonCoh = 1; + } + } + + if ((LinkType.HtPhyLinkFeatures.HtPhySL1Coh) || (LinkType.HtPhyLinkFeatures.HtPhySL1NonCoh)) { + // Check gen3 + PciAddress = SubLink1Address; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_EXTENDED_FREQ; + LibAmdPciRead (AccessWidth32, PciAddress, &ExtendedFreq, StdHeader); + PciAddress = SubLink1Address; + PciAddress.Address.Register = PciAddress.Address.Register + HT_LINK_FREQ_OFFSET; + LibAmdPciRead (AccessWidth32, PciAddress, &RegValue, StdHeader); + RegValue = (((ExtendedFreq & 0x1) << 4) | ((RegValue & 0x00000F00) >> 8)); + *Frequency1 = RegValue; + if (RegValue > 6) { + LinkType.HtPhyLinkFeatures.HtPhySL1Ht3 = 1; + } else { + LinkType.HtPhyLinkFeatures.HtPhySL1Ht1 = 1; + } + // Check internal / external. Note that we do really check sublink 1 regardless of ganging. + if ((InternalLinks & (1 << (*Link + 4))) == 0) { + // External + LinkType.HtPhyLinkFeatures.HtPhySL1External = 1; + } else { + // Internal + LinkType.HtPhyLinkFeatures.HtPhySL1Internal = 1; + } + } else { + LinkType.HtPhyLinkValue &= ~(HTPHY_LINKTYPE_SL1_ALL); + } + + // Determine if the link matches the entry criteria. + // For Deemphasis checking, indicate whether it was actually sublink 1 that matched. + // If the link is ganged or only sublink 0 matched, or the link features didn't match, this is false. + if (((HtPhyLinkType->HtPhyLinkValue & HTPHY_LINKTYPE_SL0_AND) == 0) && + ((HtPhyLinkType->HtPhyLinkValue & HTPHY_LINKTYPE_SL1_AND) == 0)) { + // Match if any feature matches (OR) + Result = (BOOLEAN) ((LinkType.HtPhyLinkValue & HtPhyLinkType->HtPhyLinkValue) != 0); + } else { + // Match if all features match (AND) + Result = (BOOLEAN) ((HtPhyLinkType->HtPhyLinkValue & ~(HTPHY_LINKTYPE_SL0_AND | HTPHY_LINKTYPE_SL1_AND)) == + (LinkType.HtPhyLinkValue & HtPhyLinkType->HtPhyLinkValue)); + } + if (Result) { + if (IsReallyCheckingBoth && + (((LinkType.HtPhyLinkValue & HtPhyLinkType->HtPhyLinkValue) & (HTPHY_LINKTYPE_SL1_ALL)) != 0)) { + *MatchedSublink1 = TRUE; + } + IsFound = TRUE; + } else { + // Go to next link + } + } else { + // No more links + IsFound = TRUE; + } + } + return Result; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Applies an HT Phy read-modify-write based on an HT Phy register table entry. + * + * @CpuServiceMethod{::F_SET_HT_PHY_REGISTER}. + * + * This function performs the necessary sequence of PCI reads, writes, and waits + * necessary to program an HT Phy register. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] HtPhyEntry HT Phy register table entry to apply + * @param[in] CapabilitySet The link's HT Host base address. + * @param[in] Link Zero based, node, link number (not package link). + * @param[in] StdHeader Config handle for library and services + * + */ +VOID +F15SetHtPhyRegister ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN HT_PHY_TYPE_ENTRY_DATA *HtPhyEntry, + IN PCI_ADDR CapabilitySet, + IN UINT32 Link, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Temp; + UINT32 PhyReg; + PCI_ADDR PhyBase; + + // Determine the PCI config address of the HT Phy portal + PhyBase = CapabilitySet; + PhyBase.Address.Function = FUNC_4; + PhyBase.Address.Register = ((Link << 3) + REG_HT4_PHY_OFFSET_BASE_4X180); + + LibAmdPciRead (AccessWidth32, PhyBase, &PhyReg, StdHeader); + + // Handle direct map registers if needed + PhyReg &= ~(HTPHY_DIRECT_OFFSET_MASK); + if ((HtPhyEntry->Address > 0x3FF) || ((HtPhyEntry->Address >= 0xE) && (HtPhyEntry->Address <= 0x11))) { + PhyReg |= HTPHY_DIRECT_MAP; + } + + PhyReg |= (HtPhyEntry->Address); + // Ask the portal to read the HT Phy Register contents + LibAmdPciWrite (AccessWidth32, PhyBase, &PhyReg, StdHeader); + do + { + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + } while (!(Temp & HTPHY_IS_COMPLETE_MASK)); + + // Get the current register contents and do the update requested by the table + PhyBase.AddressValue += 4; + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + Temp &= ~(HtPhyEntry->Mask); + Temp |= (HtPhyEntry->Data); + LibAmdPciWrite (AccessWidth32, PhyBase, &Temp, StdHeader); + + PhyBase.AddressValue -= 4; + // Ask the portal to write our updated value to the HT Phy + PhyReg |= HTPHY_WRITE_CMD; + LibAmdPciWrite (AccessWidth32, PhyBase, &PhyReg, StdHeader); + do + { + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + } while (!(Temp & HTPHY_IS_COMPLETE_MASK)); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Applies an HT Phy write to a specified Phy register. + * + * @CpuServiceMethod{::F_SET_HT_PHY_REGISTER}. + * + * The caller is responsible for performing any read and modify steps. + * This function performs the necessary sequence of PCI reads, writes, and waits + * necessary to program an HT Phy register. + * + * @param[in] CapabilitySet The link's HT Host base address. + * @param[in] Link Zero based, node, link number (not package link). + * @param[in] Address The HT Phy register address + * @param[in] Data The data to write to the register + * @param[in] StdHeader Config handle for library and services + * + */ +VOID +STATIC +F15WriteOnlyHtPhyRegister ( + IN PCI_ADDR CapabilitySet, + IN UINT32 Link, + IN UINT32 Address, + IN UINT32 Data, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Temp; + UINT32 PhyReg; + PCI_ADDR PhyBase; + + // Determine the PCI config address of the HT Phy portal + PhyBase = CapabilitySet; + PhyBase.Address.Function = FUNC_4; + PhyBase.Address.Register = ((Link << 3) + REG_HT4_PHY_OFFSET_BASE_4X180); + + LibAmdPciRead (AccessWidth32, PhyBase, &PhyReg, StdHeader); + + // Handle direct map registers if needed + PhyReg &= ~(HTPHY_DIRECT_OFFSET_MASK); + if ((Address > 0x3FF) || ((Address >= 0xE) && (Address <= 0x11))) { + PhyReg |= HTPHY_DIRECT_MAP; + } + + PhyReg |= (Address); + + // Get the current register contents and do the update requested by the table + PhyBase.AddressValue += 4; + LibAmdPciWrite (AccessWidth32, PhyBase, &Data, StdHeader); + + PhyBase.AddressValue -= 4; + // Ask the portal to write our updated value to the HT Phy + PhyReg |= HTPHY_WRITE_CMD; + LibAmdPciWrite (AccessWidth32, PhyBase, &PhyReg, StdHeader); + do + { + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + } while (!(Temp & HTPHY_IS_COMPLETE_MASK)); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Get the value of an HT PHY register. + * + * Reading HT Phy registers is not generally useful, because they return the effective value, + * not the currently written value. So be warned, this function is dangerous if used to read + * a register that will be udpated subsequently elsewhere. + * + * This routine is useful for reading hardware status from the HT Phy that can be used to set + * other phy registers. + * + * @param[in] CapabilitySet The link's HT Host base address. + * @param[in] Link Zero based, node link number (not package link). + * @param[in] Address The HT Phy register address to read + * @param[in] StdHeader Config handle for library and services + * + * @return The register content (in most cases, the effective content not the pending content) + * + */ +UINT32 +STATIC +F15GetHtPhyRegister ( + IN PCI_ADDR CapabilitySet, + IN UINT32 Link, + IN UINT32 Address, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Temp; + UINT32 PhyReg; + PCI_ADDR PhyBase; + + // Determine the PCI config address of the HT Phy portal + PhyBase = CapabilitySet; + PhyBase.Address.Function = FUNC_4; + PhyBase.Address.Register = ((Link << 3) + REG_HT4_PHY_OFFSET_BASE_4X180); + + LibAmdPciRead (AccessWidth32, PhyBase, &PhyReg, StdHeader); + + // Handle direct map registers if needed + PhyReg &= ~(HTPHY_DIRECT_OFFSET_MASK); + if ((Address > 0x3FF) || ((Address >= 0xE) && (Address <= 0x11))) { + PhyReg |= HTPHY_DIRECT_MAP; + } + + PhyReg |= Address; + // Ask the portal to read the HT Phy Register contents + LibAmdPciWrite (AccessWidth32, PhyBase, &PhyReg, StdHeader); + do + { + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + } while (!(Temp & HTPHY_IS_COMPLETE_MASK)); + + // Get the current register contents + PhyBase.AddressValue += 4; + LibAmdPciRead (AccessWidth32, PhyBase, &Temp, StdHeader); + + return Temp; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * A Family Specific Workaround method, to override HT DLL Compensation. + * + * \@TableTypeFamSpecificInstances. + * + * The Link Product Information register can be fused to contain an HT PHY DLL Compensation Override table. + * Based on link frequency, a compensation override can be selected from the value. + * To accomodate individual link differences in the package, each link can also have a DLL process compensation + * value set. This value can apply an adjustment to the compensation value. + * + * @param[in] Data The table data value, for example to indicate which CPU and Platform types matched. + * @param[in] StdHeader Config params for library, services. + */ +VOID +F15HtPhyOverrideDllCompensation ( + IN UINT32 Data, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 ProductLinkInfo; + UINT32 Link; + CPU_LOGICAL_ID CpuFamilyRevision; + PCI_ADDR StartingCapabilitySet; + PCI_ADDR CapabilitySet; + PCI_ADDR PciAddress; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + BOOLEAN MatchedSublink1; + HT_FREQUENCIES Freq0; + HT_FREQUENCIES Freq1; + UINTN Sublink; + HT_PHY_LINK_FEATS DesiredLinkFeats; + BOOLEAN IsEarlyRevProcessor; + BOOLEAN IsHardwareReportingComp; + UINTN LinkFrequency; + UINT32 Compensation; + UINT32 Adjustment; + BOOLEAN IsIncrementAdjust; + LINK_PHY_RECEIVER_PROCESS_FUSE_CONTROL LinkPhyReceiverProcessFuseControl; + LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL LinkPhyReceiverProcessDllControl; + + OptionMultiSocketConfiguration.GetCurrPciAddr (&StartingCapabilitySet, StdHeader); + GetLogicalIdOfCurrentCore (&CpuFamilyRevision, StdHeader); + GetCpuServicesFromLogicalId (&CpuFamilyRevision, (CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + + // Check if the hardware reported any compensation values. + IsEarlyRevProcessor = (BOOLEAN) ((Data == 0) ? TRUE : FALSE); + PciAddress = StartingCapabilitySet; + PciAddress.Address.Function = FUNC_5; + PciAddress.Address.Register = 0x190; + LibAmdPciRead (AccessWidth32, PciAddress, &ProductLinkInfo, StdHeader); + IsHardwareReportingComp = (BOOLEAN) (ProductLinkInfo != 0); + + if (!IsEarlyRevProcessor || IsHardwareReportingComp) { + // Process all the sublink 0's and then all the sublink 1's that are at HT3 frequency. + for (Sublink = 0; Sublink < 2; Sublink++) { + CapabilitySet = StartingCapabilitySet; + Link = 0; + DesiredLinkFeats.HtPhyLinkValue = ((Sublink == 0) ? HTPHY_LINKTYPE_SL0_HT3 : HTPHY_LINKTYPE_SL0_HT3); + while (FamilySpecificServices->NextLinkHasHtPhyFeats ( + FamilySpecificServices, + &CapabilitySet, + &Link, + &DesiredLinkFeats, + &MatchedSublink1, + &Freq0, + &Freq1, + StdHeader)) { + + // Look up compensation value. Remember that we matched links which are at HT3 frequency, so Freq[1,0] + // should safely be greater than or equal to 1.2 GHz. + if (Sublink == 0) { + LinkFrequency = Freq0 - HT_FREQUENCY_1200M; + } else { + LinkFrequency = (MatchedSublink1 ? Freq1 : Freq0) - HT_FREQUENCY_1200M; + } + // This assert would catch frequencies higher than we know how to support, or any table overrun bug. + ASSERT (LinkFrequency < (sizeof (HtPhyDllCompLookupTable) / sizeof (HT_PHY_DLL_COMP_LOOKUP_TABLE))); + // Since there are invalid entries in the table, for frequency enum skipped values, ensure we did not + // pick one of those entries. This should be impossible from real hardware. + ASSERT (HtPhyDllCompLookupTable[LinkFrequency].DefaultComp != 0xFFFFFFFFul); + + if (IsHardwareReportingComp) { + LibAmdPciReadBits ( + PciAddress, + HtPhyDllCompLookupTable[LinkFrequency].CtlIndexHiBit, + HtPhyDllCompLookupTable[LinkFrequency].CtlIndexLoBit, + &Compensation, + StdHeader); + } else { + Compensation = HtPhyDllCompLookupTable[LinkFrequency].DefaultComp; + } + + // Apply any per PHY adjustment + LinkPhyReceiverProcessFuseControl.Value = F15GetHtPhyRegister ( + CapabilitySet, + Link, + ((Sublink == 0) ? HT_PHY_FUSE_PROC_DLL_PROCESS_COMP_RD_SL0 : HT_PHY_FUSE_PROC_DLL_PROCESS_COMP_RD_SL1), + StdHeader); + Adjustment = LinkPhyReceiverProcessFuseControl.Fields.DllProcessComp10; + IsIncrementAdjust = (BOOLEAN) ((LinkPhyReceiverProcessFuseControl.Fields.DllProcessComp2 == 0) ? TRUE : FALSE); + if (IsIncrementAdjust) { + Compensation = (((Compensation + Adjustment) > 0x000F) ? 0x000F : (Compensation + Adjustment)); + } else { + // decrement adjustment + Compensation = ((Compensation < Adjustment) ? 0 : (Compensation - Adjustment)); + } + + // Update the DLL Compensation + LinkPhyReceiverProcessDllControl.Value = F15GetHtPhyRegister ( + CapabilitySet, + Link, + HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_RD, + StdHeader); + LinkPhyReceiverProcessDllControl.Fields.DllProcessFreqCtlOverride = 1; + LinkPhyReceiverProcessDllControl.Fields.DllProcessFreqCtlIndex2 = Compensation; + F15WriteOnlyHtPhyRegister ( + CapabilitySet, + Link, + ((Sublink == 0) ? HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_SL0 : HT_PHY_LINK_PHY_RECEIVER_PROCESS_DLL_CONTROL_SL1), + LinkPhyReceiverProcessDllControl.Value, + StdHeader); + } + } + } +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Returns whether or not BIOS is responsible for configuring the NB COFVID. + * + * @CpuServiceMethod{::F_CPU_IS_NBCOF_INIT_NEEDED}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] PciAddress The northbridge to query by pci base address. + * @param[out] NbVidUpdateAll Do all NbVids need to be updated + * @param[in] StdHeader Header for library and services + * + * @retval TRUE Perform northbridge frequency and voltage config. + * @retval FALSE Do not configure them. + */ +BOOLEAN +F15CommonGetNbCofVidUpdate ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN PCI_ADDR *PciAddress, + OUT BOOLEAN *NbVidUpdateAll, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + *NbVidUpdateAll = FALSE; + return FALSE; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Is the Northbridge PState feature enabled? + * + * @CpuServiceMethod{::F_IS_NB_PSTATE_ENABLED}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] PlatformConfig Platform profile/build option config structure. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @retval TRUE The NB PState feature is enabled. + * @retval FALSE The NB PState feature is not enabled. + */ +BOOLEAN +F15IsNbPstateEnabled ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 LocalPciRegister; + PCI_ADDR PciAddress; + BOOLEAN PowerMode; + BOOLEAN SkipHwCfg; + + SkipHwCfg = FALSE; + + IDS_OPTION_HOOK (IDS_NBPSDIS_OVERRIDE, &SkipHwCfg, StdHeader); + + // Defaults to Power Optimized Mode + PowerMode = TRUE; + + // If system is optimized for performance, disable NB P-States + if (PlatformConfig->PlatformProfile.PlatformPowerPolicy == Performance) { + PowerMode = FALSE; + } + + PciAddress.AddressValue = F15_NB_PSTATE_CTRL_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); + if ((((((F15_NB_PSTATE_CTRL_REGISTER *) &LocalPciRegister)->NbPstateMaxVal != 0) && + (!IsNonCoherentHt1 (StdHeader))) || SkipHwCfg) && (PowerMode)) { + return TRUE; + } + return FALSE; +} |