| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * PCIe utility. Various supporting functions. |
| * |
| * |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: GNB |
| * @e \$Revision: 49532 $ @e \$Date: 2011-03-25 02:54:43 +0800 (Fri, 25 Mar 2011) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * 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 "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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| UINT32 |
| PcieUtilGetPcieEngineLaneBitMap ( |
| IN LANE_TYPE LaneType, |
| IN LANE_PROPERTY LaneProperty, |
| IN PCIe_ENGINE_CONFIG *Engine |
| ); |
| |
| UINT32 |
| PcieUtilGetDdiEngineLaneBitMap ( |
| IN LANE_TYPE LaneType, |
| IN LANE_PROPERTY LaneProperty, |
| IN PCIe_ENGINE_CONFIG *Engine |
| ); |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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 |
| */ |
| |
| 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 |
| */ |
| |
| 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 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->EndPhyLane - Wrapper->StartPhyLane + 1)) - 1; |
| if (ExcludeLaneType != 0) { |
| LaneBitmap &= (~PcieUtilGetWrapperLaneBitMap (ExcludeLaneType, 0, Wrapper)); |
| } |
| } else { |
| while (EngineList != NULL) { |
| LaneBitmap |= PcieUtilGetEngineLaneBitMap (IncludeLaneType, ExcludeLaneType, EngineList); |
| EngineList = PcieLibGetNextDescriptor (EngineList); |
| } |
| } |
| } |
| 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; |
| } |
