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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieUtilityLib.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieUtilityLib.c | 688 |
1 files changed, 688 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieUtilityLib.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieUtilityLib.c new file mode 100644 index 0000000000..29dc02473b --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieUtilityLib.c @@ -0,0 +1,688 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * PCIe utility. Various supporting functions. + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @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 "Ids.h" +#include "amdlib.h" +#include "Gnb.h" +#include "GnbPcie.h" +#include "GnbPcieFamServices.h" +#include "GnbCommonLib.h" +#include "GnbPcieConfig.h" +#include "GnbPcieInitLibV1.h" +#include "GnbRegistersLN.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEUTILITYLIB_FILECODE +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ +/// Lane type +typedef enum { + LaneTypeCore, ///< Core Lane + LaneTypePhy, ///< Package Phy Lane + LaneTypeNativePhy ///< Native Phy Lane +} LANE_TYPE; + +/// Lane Property +typedef enum { + LanePropertyConfig, ///< Configuration + LanePropertyActive, ///< Active + LanePropertyAllocated ///< Allocated +} LANE_PROPERTY; + + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ +typedef struct { + UINT32 Flags; + PCIE_LINK_SPEED_CAP LinkSpeedCapability; +} PCIE_GLOBAL_GEN_CAP_WORKSPACE; + +/*---------------------------------------------------------------------------------------- + * 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 + *---------------------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------------------*/ +/** + * Get link state history from HW state machine + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[out] History Buffer to save history + * @param[in] Length Buffer length + * @param[in] Pcie Pointer to global PCIe configuration + */ + +VOID +PcieUtilGetLinkHwStateHistory ( + IN PCIe_ENGINE_CONFIG *Engine, + OUT UINT8 *History, + IN UINT8 Length, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT8 ReadLength; + UINT32 LocalHistory [6]; + UINT16 Index; + ASSERT (Length <= 16); + ASSERT (Length > 0); + if (Length > 6*4) { + Length = 6*4; + } + ReadLength = (Length + 3) / 4; + for (Index = 0; Index < ReadLength; Index++) { + LocalHistory[Index] = PciePortRegisterRead ( + Engine, + DxF0xE4_xA5_ADDRESS + Index, + Pcie + ); + } + LibAmdMemCopy (History, LocalHistory, Length, GnbLibGetHeader (Pcie)); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Search array for specific pattern + * + * + * @param[in] Buf1 Pointer to source buffer which will be subject of search + * @param[in] Buf1Length Length of the source buffer + * @param[in] Buf2 Pointer to pattern buffer + * @param[in] Buf2Length Length of the pattern buffer + * @retval TRUE Pattern found + * @retval TRUE Pattern not found + */ + +BOOLEAN +PcieUtilSearchArray ( + IN UINT8 *Buf1, + IN UINTN Buf1Length, + IN UINT8 *Buf2, + IN UINTN Buf2Length + ) +{ + UINT8 *CurrentBuf1Ptr; + CurrentBuf1Ptr = Buf1; + while (CurrentBuf1Ptr < (Buf1 + Buf1Length - Buf2Length)) { + UINT8 *SourceBufPtr; + UINT8 *PatternBufPtr; + UINTN PatternBufLength; + SourceBufPtr = CurrentBuf1Ptr; + PatternBufPtr = Buf2; + PatternBufLength = Buf2Length; + while ((*SourceBufPtr++ == *PatternBufPtr++) && (PatternBufLength-- != 0)); + if (PatternBufLength == 0) { + return TRUE; + } + CurrentBuf1Ptr++; + } + return FALSE; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Check if link reversed + * + * + * @param[in] HwLinkState Check for HW auto link reversal + * @param[in] Engine Pointer to engine config descriptor + * @param[in] Pcie Pointer to PCIe config descriptor + * @retval TRUE if link reversed + */ +BOOLEAN +PcieUtilIsLinkReversed ( + IN BOOLEAN HwLinkState, + IN PCIe_ENGINE_CONFIG *Engine, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 LinkReversal; + + LinkReversal = (Engine->EngineData.StartLane > Engine->EngineData.EndLane) ? 1 : 0; + if (HwLinkState) { + DxF0xE4_x50_STRUCT DxF0xE4_x50; + DxF0xE4_x50.Value = PciePortRegisterRead ( + Engine, + DxF0xE4_x50_ADDRESS, + Pcie + ); + LinkReversal ^= DxF0xE4_x50.Field.PortLaneReversal; + } + return ((LinkReversal & BIT0) != 0) ? TRUE : FALSE; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Get link width detected during training + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in] Pcie Pointer to global PCIe configuration + * @retval Link width + */ +UINT8 +PcieUtilGetLinkWidth ( + IN PCIe_ENGINE_CONFIG *Engine, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT8 LinkWidth; + DxF0xE4_xA2_STRUCT DxF0xE4_xA2; + DxF0xE4_xA2.Value = PciePortRegisterRead ( + Engine, + DxF0xE4_xA2_ADDRESS, + Pcie + ); + switch (DxF0xE4_xA2.Field.LcLinkWidthRd) { + case 0x6: + LinkWidth = 16; + break; + case 0x5: + LinkWidth = 12; + break; + case 0x4: + LinkWidth = 8; + break; + case 0x3: + LinkWidth = 4; + break; + case 0x2: + LinkWidth = 2; + break; + case 0x1: + LinkWidth = 1; + break; + default: + LinkWidth = 0; + } + return LinkWidth; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get bitmap of PCIE engine lane of requested type + * + * + * @param[in] LaneType Lane type + * @param[in] LaneProperty Lane Property + * @param[in] Engine Pointer to engine config descriptor + * @retval Lane bitmap + */ + +STATIC UINT32 +PcieUtilGetPcieEngineLaneBitMap ( + IN LANE_TYPE LaneType, + IN LANE_PROPERTY LaneProperty, + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + UINT32 LaneBitmap; + UINT8 Width; + UINT16 Offset; + UINT16 LoPhylane; + UINT16 HiPhylane; + PCIe_PLATFORM_CONFIG *Pcie; + + Width = 0; + Offset = 0; + LaneBitmap = 0; + Pcie = (PCIe_PLATFORM_CONFIG *) PcieConfigGetParent (DESCRIPTOR_PLATFORM, &Engine->Header); + + if (PcieConfigIsPcieEngine (Engine)) { + if (LaneType == LaneTypeCore && LaneProperty == LanePropertyConfig) { + Width = PcieConfigGetNumberOfCoreLane (Engine); + Offset = Engine->Type.Port.StartCoreLane; + LaneBitmap = ((1 << Width) - 1) << Offset; + } else if (PcieConfigIsEngineAllocated (Engine)) { + if (LaneType == LaneTypeNativePhy) { + LaneBitmap = PcieUtilGetPcieEngineLaneBitMap (LaneTypePhy, LaneProperty, Engine); + LaneBitmap = PcieFmGetNativePhyLaneBitmap (LaneBitmap, Engine); + } else { + if (LaneType == LaneTypeCore) { + if (LaneProperty == LanePropertyActive) { + Width = PcieUtilGetLinkWidth (Engine, Pcie); + Offset = PcieUtilIsLinkReversed (TRUE, Engine, Pcie) ? (Engine->Type.Port.EndCoreLane - Width + 1) : Engine->Type.Port.StartCoreLane; + } else if (LaneProperty == LanePropertyAllocated) { + Width = PcieConfigGetNumberOfPhyLane (Engine); + Offset = PcieUtilIsLinkReversed (FALSE, Engine, Pcie) ? (Engine->Type.Port.EndCoreLane - Width + 1) : Engine->Type.Port.StartCoreLane; + } + } + if (LaneType == LaneTypePhy) { + LoPhylane = PcieLibGetLoPhyLane (Engine); + HiPhylane = PcieLibGetHiPhyLane (Engine); + if (LaneProperty == LanePropertyActive) { + Width = PcieUtilGetLinkWidth (Engine, Pcie); + Offset = (PcieUtilIsLinkReversed (TRUE, Engine, Pcie) ? (HiPhylane - Width + 1) : LoPhylane) - PcieConfigGetParentWrapper (Engine)->StartPhyLane; + } else if (LaneProperty == LanePropertyAllocated) { + Width = PcieConfigGetNumberOfPhyLane (Engine); + Offset = LoPhylane - PcieConfigGetParentWrapper (Engine)->StartPhyLane; + } + } + LaneBitmap = ((1 << Width) - 1) << Offset; + } + } + } + return LaneBitmap; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get bitmap of PCIE engine lane of requested type + * + * + * @param[in] LaneType Lane type + * @param[in] LaneProperty Lane Property + * @param[in] Engine Pointer to engine config descriptor + * @retval Lane bitmap + */ + +STATIC UINT32 +PcieUtilGetDdiEngineLaneBitMap ( + IN LANE_TYPE LaneType, + IN LANE_PROPERTY LaneProperty, + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + UINT32 LaneBitmap; + UINT8 Width; + UINT16 Offset; + Width = 0; + Offset = 0; + LaneBitmap = 0; + if (PcieConfigIsDdiEngine (Engine)) { + if (PcieConfigIsEngineAllocated (Engine)) { + if (LaneType == LaneTypePhy && ((LaneProperty == LanePropertyActive && (Engine->InitStatus & INIT_STATUS_DDI_ACTIVE)) || (LaneProperty == LanePropertyAllocated))) { + Width = PcieConfigGetNumberOfPhyLane (Engine); + Offset = PcieLibGetLoPhyLane (Engine) - PcieConfigGetParentWrapper (Engine)->StartPhyLane; + LaneBitmap = ((1 << Width) - 1) << Offset; + } + if (LaneType == LaneTypeNativePhy) { + LaneBitmap = PcieUtilGetDdiEngineLaneBitMap (LaneTypePhy, LaneProperty, Engine); + LaneBitmap = PcieFmGetNativePhyLaneBitmap (LaneBitmap, Engine); + } + } + } + return LaneBitmap; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Get bitmap of engine lane of requested type + * + * + * @param[in] IncludeLaneType Include Lane type + * @param[in] ExcludeLaneType Exclude Lane type + * @param[in] Engine Pointer to engine config descriptor + * @retval Lane bitmap + */ + +UINT32 +PcieUtilGetEngineLaneBitMap ( + IN UINT32 IncludeLaneType, + IN UINT32 ExcludeLaneType, + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + UINT32 LaneBitmap; + LaneBitmap = 0; + if (IncludeLaneType & LANE_TYPE_PCIE_LANES) { + if (IncludeLaneType & LANE_TYPE_PCIE_CORE_CONFIG) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyConfig, Engine); + } + if (IncludeLaneType & LANE_TYPE_PCIE_CORE_ALLOC) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & (LANE_TYPE_PCIE_CORE_ACTIVE | LANE_TYPE_PCIE_CORE_ALLOC_ACTIVE)) { + if (Engine->Type.Port.PortData.LinkHotplug == HotplugEnhanced || PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_PORT_IN_COMPLIANCE)) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyAllocated, Engine); + } else if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS)) { + if (IncludeLaneType & LANE_TYPE_PCIE_CORE_ALLOC_ACTIVE) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyAllocated, Engine); + } else { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyActive, Engine); + } + } + } + if ((IncludeLaneType & LANE_TYPE_PCIE_SB_CORE_CONFIG) && PcieConfigIsSbPcieEngine (Engine)) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyConfig, Engine); + } + if ((IncludeLaneType & LANE_TYPE_PCIE_CORE_HOTPLUG) && (Engine->Type.Port.PortData.LinkHotplug != HotplugDisabled)) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeCore, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & LANE_TYPE_PCIE_PHY) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypePhy, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & LANE_TYPE_PCIE_PHY_NATIVE) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeNativePhy, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & (LANE_TYPE_PCIE_PHY_NATIVE_ACTIVE | LANE_TYPE_PCIE_PHY_NATIVE_ALLOC_ACTIVE)) { + if (Engine->Type.Port.PortData.LinkHotplug == HotplugEnhanced || PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_PORT_IN_COMPLIANCE)) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeNativePhy, LanePropertyAllocated, Engine); + } else if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS)) { + if (IncludeLaneType & LANE_TYPE_PCIE_PHY_NATIVE_ALLOC_ACTIVE) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeNativePhy, LanePropertyAllocated, Engine); + } else { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeNativePhy, LanePropertyActive, Engine); + } + } + } + if ((IncludeLaneType & LANE_TYPE_PCIE_PHY_NATIVE_HOTPLUG) && (Engine->Type.Port.PortData.LinkHotplug != HotplugDisabled)) { + LaneBitmap |= PcieUtilGetPcieEngineLaneBitMap (LaneTypeNativePhy, LanePropertyAllocated, Engine); + } + } + if (IncludeLaneType & LANE_TYPE_DDI_LANES) { + if (IncludeLaneType & LANE_TYPE_DDI_PHY) { + LaneBitmap |= PcieUtilGetDdiEngineLaneBitMap (LaneTypePhy, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & LANE_TYPE_DDI_PHY_NATIVE) { + LaneBitmap |= PcieUtilGetDdiEngineLaneBitMap (LaneTypeNativePhy, LanePropertyAllocated, Engine); + } + if (IncludeLaneType & LANE_TYPE_DDI_PHY_NATIVE_ACTIVE) { + LaneBitmap |= PcieUtilGetDdiEngineLaneBitMap (LaneTypeNativePhy, LanePropertyActive, Engine); + } + } + if (ExcludeLaneType != 0) { + LaneBitmap &= (~PcieUtilGetEngineLaneBitMap (ExcludeLaneType, 0, Engine)); + } + return LaneBitmap; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get bitmap of phy lane confugred for master pll + * + * + * @param[in] Wrapper Pointer to wrapper config descriptor + * @retval Lane bitmap + */ + +STATIC UINT32 +PcieUtilGetMasterPllLaneBitMap ( + IN PCIe_WRAPPER_CONFIG *Wrapper + ) +{ + if (Wrapper->MasterPll != 0) { + return 0xf << (Wrapper->MasterPll - 0xA) * 4; + } + return 0; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get bitmap of Wrapper lane of requested type + * + * + * @param[in] IncludeLaneType Include Lane type + * @param[in] ExcludeLaneType Exclude Lane type + * @param[in] Wrapper Pointer to wrapper config descriptor + * @retval Lane bitmap + */ + +UINT32 +PcieUtilGetWrapperLaneBitMap ( + IN UINT32 IncludeLaneType, + IN UINT32 ExcludeLaneType, + IN PCIe_WRAPPER_CONFIG *Wrapper + ) +{ + PCIe_ENGINE_CONFIG *EngineList; + UINT32 LaneBitmap; + EngineList = PcieConfigGetChildEngine (Wrapper); + LaneBitmap = 0; + if ((IncludeLaneType | ExcludeLaneType) != 0) { + if ((IncludeLaneType & LANE_TYPE_ALL) == LANE_TYPE_ALL) { + LaneBitmap = (1 << (Wrapper->NumberOfLanes)) - 1; + if (ExcludeLaneType != 0) { + LaneBitmap &= (~PcieUtilGetWrapperLaneBitMap (ExcludeLaneType, 0, Wrapper)); + } + } else { + while (EngineList != NULL) { + LaneBitmap |= PcieUtilGetEngineLaneBitMap (IncludeLaneType, ExcludeLaneType, EngineList); + EngineList = PcieLibGetNextDescriptor (EngineList); + } + if ((IncludeLaneType & LANE_TYPE_PCIE_PHY_NATIVE_MASTER_PLL) != 0) { + LaneBitmap |= PcieUtilGetMasterPllLaneBitMap (Wrapper); + } + if ((ExcludeLaneType & LANE_TYPE_PCIE_PHY_NATIVE_MASTER_PLL) != 0) { + LaneBitmap &= (~PcieUtilGetMasterPllLaneBitMap (Wrapper)); + } + } + } + return LaneBitmap; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Program port register table + * + * + * + * @param[in] Table Pointer to table + * @param[in] Length number of entries + * @param[in] Engine Pointer to engine config descriptor + * @param[in] S3Save Save for S3 flag + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +VOID +PciePortProgramRegisterTable ( + IN PCIE_PORT_REGISTER_ENTRY *Table, + IN UINTN Length, + IN PCIe_ENGINE_CONFIG *Engine, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINTN Index; + UINT32 Value; + for (Index = 0; Index < Length; Index++) { + Value = PciePortRegisterRead ( + Engine, + Table[Index].Reg, + Pcie + ); + Value &= (~Table[Index].Mask); + Value |= Table[Index].Data; + PciePortRegisterWrite ( + Engine, + Table[Index].Reg, + Value, + S3Save, + Pcie + ); + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Lock registers + * + * + * @param[in] Wrapper Pointer to wrapper config descriptor + * @param[in] Pcie Pointer to global PCIe configuration + */ + +VOID +PcieLockRegisters ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT8 CoreId; + IDS_HDT_CONSOLE (GNB_TRACE, "PcieLockRegisters Enter\n"); + if (PcieLibIsPcieWrapper (Wrapper)) { + for (CoreId = Wrapper->StartPcieCoreId; CoreId <= Wrapper->EndPcieCoreId; CoreId++) { + PcieRegisterWriteField ( + Wrapper, + CORE_SPACE (CoreId, D0F0xE4_CORE_0010_ADDRESS), + D0F0xE4_CORE_0010_HwInitWrLock_OFFSET, + D0F0xE4_CORE_0010_HwInitWrLock_WIDTH, + 0x1, + TRUE, + Pcie + ); + } + } + IDS_HDT_CONSOLE (GNB_TRACE, "PcieLockRegisters Exit\n"); +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Training state handling + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in, out] Buffer Indicate if engine in non final state + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +VOID +STATIC +PcieUtilGlobalGenCapabilityCallback ( + IN PCIe_ENGINE_CONFIG *Engine, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIE_GLOBAL_GEN_CAP_WORKSPACE *GlobalGenCapability; + PCIE_LINK_SPEED_CAP LinkSpeedCapability; + PCIE_HOTPLUG_TYPE HotPlugType; + UINT32 Flags; + + Flags = PCIE_GLOBAL_GEN_CAP_ALL_PORTS; + GlobalGenCapability = (PCIE_GLOBAL_GEN_CAP_WORKSPACE*) Buffer; + LinkSpeedCapability = PcieGen1; + if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS)) { + Flags |= PCIE_GLOBAL_GEN_CAP_TRAINED_PORTS; + } + HotPlugType = Engine->Type.Port.PortData.LinkHotplug; + if ((HotPlugType == HotplugBasic) || (HotPlugType == HotplugServer) || (HotPlugType == HotplugEnhanced)) { + Flags |= PCIE_GLOBAL_GEN_CAP_HOTPLUG_PORTS; + } + if ((GlobalGenCapability->Flags & Flags) != 0) { + ASSERT ((GlobalGenCapability->Flags & (PCIE_PORT_GEN_CAP_MAX | PCIE_PORT_GEN_CAP_BOOT)) != 0); + LinkSpeedCapability = PcieFmGetLinkSpeedCap (GlobalGenCapability->Flags, Engine); + if (GlobalGenCapability->LinkSpeedCapability < LinkSpeedCapability) { + GlobalGenCapability->LinkSpeedCapability = LinkSpeedCapability; + } + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Determine global GEN capability + * + * + * @param[in] Flags global GEN capability flags + * @param[in] Pcie Pointer to global PCIe configuration + * + */ +PCIE_LINK_SPEED_CAP +PcieUtilGlobalGenCapability ( + IN UINT32 Flags, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIE_LINK_SPEED_CAP GlobalCapability; + PCIE_GLOBAL_GEN_CAP_WORKSPACE GlobalGenCap; + + GlobalGenCap.LinkSpeedCapability = PcieGen1; + GlobalGenCap.Flags = Flags; + PcieConfigRunProcForAllEngines ( + DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, + PcieUtilGlobalGenCapabilityCallback, + &GlobalGenCap, + Pcie + ); + + GlobalCapability = GlobalGenCap.LinkSpeedCapability; + + return GlobalCapability; +} |