diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c | 658 |
1 files changed, 0 insertions, 658 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c deleted file mode 100644 index 1c103f7ce1..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c +++ /dev/null @@ -1,658 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * Procedure to map user define topology to processor configuration - * - * - * - * @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 "GeneralServices.h" -#include "PcieInputParser.h" -#include "PcieMapTopology.h" -#include "GnbPcieConfig.h" -#include "Filecode.h" -#define FILECODE PROC_GNB_MODULES_GNBPCIECONFIG_PCIEMAPTOPOLOGY_FILECODE -/*---------------------------------------------------------------------------------------- - * D E F I N I T I O N S A N D M A C R O S - *---------------------------------------------------------------------------------------- - */ - - -/*---------------------------------------------------------------------------------------- - * T Y P E D E F S A N D S T R U C T U R E S - *---------------------------------------------------------------------------------------- - */ - - -/*---------------------------------------------------------------------------------------- - * P R O T O T Y P E S O F L O C A L F U N C T I O N S - *---------------------------------------------------------------------------------------- - */ - - -AGESA_STATUS -STATIC -PcieMapPortsPciAddresses ( - IN PCIe_SILICON_CONFIG *Silicon, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -AGESA_STATUS -PcieMapTopologyOnWrapper ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN OUT PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -VOID -PcieMapInitializeEngineData ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN OUT PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -BOOLEAN -PcieCheckPortPciDeviceMapping ( - IN PCIe_PORT_DESCRIPTOR *PortDescriptor, - IN PCIe_ENGINE_CONFIG *Engine - ); - -VOID -PcieComplexConfigConfigDump ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -BOOLEAN -PcieIsDescriptorLinkWidthValid ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor - ); - -BOOLEAN -PcieCheckLanesMatch ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor, - IN PCIe_ENGINE_CONFIG *Engine - ); - -AGESA_STATUS -PcieEnginesToWrapper ( - IN PCIE_ENGINE_TYPE EngineType, - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN PCIe_WRAPPER_CONFIG *Wrapper - ); - -BOOLEAN -PcieCheckDescriptorMapsToWrapper ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor, - IN PCIe_WRAPPER_CONFIG *Wrapper - ); - -VOID -PcieAllocateEngine ( - IN UINT8 DescriptorIndex, - IN PCIe_ENGINE_CONFIG *Engine - ); -/*----------------------------------------------------------------------------------------*/ -/** - * Configure engine list to support lane allocation according to configuration ID. - * - * - * - * @param[in] ComplexDescriptor Pointer to used define complex descriptor - * @param[in] Complex Pointer to complex descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * @retval AGESA_SUCCESS Topology successfully mapped - * @retval AGESA_ERROR Topology can not be mapped - */ - -AGESA_STATUS -PcieMapTopologyOnComplex ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN PCIe_COMPLEX_CONFIG *Complex, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PCIe_SILICON_CONFIG *Silicon; - PCIe_WRAPPER_CONFIG *Wrapper; - AGESA_STATUS AgesaStatus; - AGESA_STATUS Status; - - AgesaStatus = AGESA_SUCCESS; - IDS_HDT_CONSOLE (GNB_TRACE, "PcieMapTopologyOnComplex Enter\n"); - Silicon = PcieConfigGetChildSilicon (Complex); - while (Silicon != NULL) { - Wrapper = PcieConfigGetChildWrapper (Silicon); - while (Wrapper != NULL) { - Status = PcieMapTopologyOnWrapper (ComplexDescriptor, Wrapper, Pcie); - AGESA_STATUS_UPDATE (Status, AgesaStatus); - if (Status == AGESA_ERROR) { - PcieConfigDisableAllEngines (PciePortEngine | PcieDdiEngine, Wrapper); - IDS_HDT_CONSOLE (PCIE_MISC, " ERROR! Fail to map topology on %s Wrapper\n", - PcieFmDebugGetWrapperNameString (Wrapper) - ); - ASSERT (FALSE); - } - Wrapper = PcieLibGetNextDescriptor (Wrapper); - } - Status = PcieMapPortsPciAddresses (Silicon, Pcie); - AGESA_STATUS_UPDATE (Status, AgesaStatus); - Silicon = PcieLibGetNextDescriptor (Silicon); - } - IDS_HDT_CONSOLE (GNB_TRACE, "PcieMapTopologyOnComplex Exit [%x]\n", AgesaStatus); - return AgesaStatus; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Configure engine list to support lane allocation according to configuration ID. - * - * - * - * @param[in] EngineType Engine type - * @param[in] ComplexDescriptor Pointer to used define complex descriptor - * @param[in] Wrapper Pointer to wrapper config descriptor - * @retval AGESA_SUCCESS Topology successfully mapped - * @retval AGESA_ERROR Topology can not be mapped - */ -AGESA_STATUS -PcieEnginesToWrapper ( - IN PCIE_ENGINE_TYPE EngineType, - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN PCIe_WRAPPER_CONFIG *Wrapper - ) -{ - AGESA_STATUS Status; - PCIe_ENGINE_CONFIG *EngineList; - PCIe_ENGINE_DESCRIPTOR *EngineDescriptor; - UINT8 ConfigurationId; - UINT8 Allocations; - UINTN Index; - UINTN NumberOfDescriptors; - - ConfigurationId = 0; - Allocations = 0; - IDS_HDT_CONSOLE (GNB_TRACE, "PcieEnginesToWrapper Enter\n"); - NumberOfDescriptors = PcieInputParserGetNumberOfEngines (ComplexDescriptor); - do { - Status = PcieFmConfigureEnginesLaneAllocation (Wrapper, EngineType, ConfigurationId++); - - if (Status == AGESA_SUCCESS) { - Allocations = 0; - for (Index = 0; Index < NumberOfDescriptors; Index++) { - EngineDescriptor = PcieInputParserGetEngineDescriptor (ComplexDescriptor, Index); - if (EngineDescriptor->EngineData.EngineType == EngineType) { - // Step 1, belongs to wrapper check. - if (PcieCheckDescriptorMapsToWrapper (EngineDescriptor, Wrapper)) { - ++Allocations; - EngineList = PcieConfigGetChildEngine (Wrapper); - while (EngineList != NULL) { - if (!PcieLibIsEngineAllocated (EngineList)) { - // Step 2.user descriptor less or equal to link width of engine - if (PcieCheckLanesMatch (EngineDescriptor, EngineList)) { - // Step 3, Check if link width is correct.x1, x2, x4, x8, x16. - if (!PcieIsDescriptorLinkWidthValid (EngineDescriptor)) { - PcieConfigDisableEngine (EngineList); - return AGESA_ERROR; - } - if (EngineDescriptor->EngineData.EngineType == PciePortEngine) { - // Step 4, Family specifc, port device number match engine device - if (PcieCheckPortPciDeviceMapping ((PCIe_PORT_DESCRIPTOR*) EngineDescriptor, EngineList)) { - //Step 5, Family specifc, lanes can be muxed. - if (PcieFmCheckPortPcieLaneCanBeMuxed ((PCIe_PORT_DESCRIPTOR*) EngineDescriptor, EngineList)) { - PcieAllocateEngine ((UINT8) Index, EngineList); - --Allocations; - break; - } - } - } else { - PcieAllocateEngine ((UINT8) Index, EngineList); - --Allocations; - break; - } - } - }//end if PcieLibIsEngineAllocated - EngineList = PcieLibGetNextDescriptor (EngineList); - } - }//end if PcieCheckDescriptorMapsToWrapper - }// end if EngineType - }//end for - } - } while (Status == AGESA_SUCCESS && Allocations != 0); - IDS_HDT_CONSOLE (GNB_TRACE, "PcieEnginesToWrapper Exit [%x]\n", Status); - return Status; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Check if lane from user port descriptor (PCIe_PORT_DESCRIPTOR) belongs to wrapper (PCIe_WRAPPER_CONFIG) - * - * - * @param[in] EngineDescriptor Pointer to used define engine descriptor - * @param[in] Wrapper Pointer to PCIe_WRAPPER_CONFIG - * @retval TRUE Belongs to wrapper - * @retval FALSE Not belongs to wrapper - */ -BOOLEAN -PcieCheckDescriptorMapsToWrapper ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor, - IN PCIe_WRAPPER_CONFIG *Wrapper - ) -{ - BOOLEAN Result; - UINT16 DescriptorHiLane; - UINT16 DescriptorLoLane; - UINT16 DescriptorNumberOfLanes; - - DescriptorLoLane = MIN (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorHiLane = MAX (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorNumberOfLanes = DescriptorHiLane - DescriptorLoLane + 1; - Result = TRUE; - - if (!(DescriptorLoLane >= Wrapper->StartPhyLane && DescriptorHiLane <= Wrapper->EndPhyLane)) { - // Lanes of descriptor does not belongs to wrapper - Result = FALSE; - } - return Result; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Set Engine to be allocated. - * - * - * @param[in] DescriptorIndex UINT8 index - * @param[in] Engine Pointer to engine config - */ -VOID -PcieAllocateEngine ( - IN UINT8 DescriptorIndex, - IN PCIe_ENGINE_CONFIG *Engine - ) -{ - PcieConfigSetDescriptorFlags (Engine, DESCRIPTOR_ALLOCATED); - Engine->Scratch = DescriptorIndex; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Configure engine list to support lane allocation according to configuration ID. - * - * PCIE port - * - * - * 1 Check if lane from user port descriptor (PCIe_PORT_DESCRIPTOR) belongs to wrapper (PCIe_WRAPPER_CONFIG) - * 2 Check if link width from user descriptor less or equal to link width of engine (PCIe_ENGINE_CONFIG) - * 3 Check if link width is correct. Correct link width for PCIe port x1, x2, x4, x8, x16, correct link width for DDI x4, x8 - * 4 Check if user port device number (PCIe_PORT_DESCRIPTOR) match engine port device number (PCIe_ENGINE_CONFIG) - * 5 Check if lane can be muxed - * - * - * DDI Link - * - * 1 Check if lane from user port descriptor (PCIe_DDI_DESCRIPTOR) belongs to wrapper (PCIe_WRAPPER_CONFIG) - * 2 Check lane from (PCIe_DDI_DESCRIPTOR) match exactly phy lane (PCIe_ENGINE_CONFIG) - * - * - * - * @param[in] ComplexDescriptor Pointer to used define complex descriptor - * @param[in,out] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * @retval AGESA_SUCCESS Topology successfully mapped - * @retval AGESA_ERROR Topology can not be mapped - */ -AGESA_STATUS -PcieMapTopologyOnWrapper ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN OUT PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - AGESA_STATUS AgesaStatus; - AGESA_STATUS Status; - PCIe_ENGINE_CONFIG *EngineList; - UINT32 WrapperPhyLaneBitMap; - - AgesaStatus = AGESA_SUCCESS; - if (PcieLibIsPcieWrapper (Wrapper)) { - Status = PcieEnginesToWrapper (PciePortEngine, ComplexDescriptor, Wrapper); - AGESA_STATUS_UPDATE (Status, AgesaStatus); - if (Status == AGESA_ERROR) { - // If we can not map topology on wrapper we can not enable any engines. - PutEventLog ( - AGESA_ERROR, - GNB_EVENT_INVALID_PCIE_TOPOLOGY_CONFIGURATION, - Wrapper->WrapId, - Wrapper->StartPhyLane, - Wrapper->EndPhyLane, - 0, - GnbLibGetHeader (Pcie) - ); - PcieConfigDisableAllEngines (PciePortEngine, Wrapper); - } - } - if (PcieLibIsDdiWrapper (Wrapper)) { - Status = PcieEnginesToWrapper (PcieDdiEngine, ComplexDescriptor, Wrapper); - AGESA_STATUS_UPDATE (Status, AgesaStatus); - if (Status == AGESA_ERROR) { - // If we can not map topology on wrapper we can not enable any engines. - PutEventLog ( - AGESA_ERROR, - GNB_EVENT_INVALID_DDI_TOPOLOGY_CONFIGURATION, - Wrapper->WrapId, - Wrapper->StartPhyLane, - Wrapper->EndPhyLane, - 0, - GnbLibGetHeader (Pcie) - ); - PcieConfigDisableAllEngines (PcieDdiEngine, Wrapper); - } - } - // Copy engine data - PcieMapInitializeEngineData (ComplexDescriptor, Wrapper, Pcie); - - EngineList = PcieConfigGetChildEngine (Wrapper); - // Verify if we oversubscribe lanes and PHY link width - WrapperPhyLaneBitMap = 0; - while (EngineList != NULL) { - UINT32 EnginePhyLaneBitMap; - if (PcieLibIsEngineAllocated (EngineList)) { - EnginePhyLaneBitMap = PcieConfigGetEnginePhyLaneBitMap (EngineList); - if ((WrapperPhyLaneBitMap & EnginePhyLaneBitMap) != 0) { - IDS_HDT_CONSOLE (PCIE_MISC, " ERROR! Lanes double subscribe lanes [Engine Lanes %d..%d]\n", - EngineList->EngineData.StartLane, - EngineList->EngineData.EndLane - ); - PutEventLog ( - AGESA_ERROR, - GNB_EVENT_INVALID_LANES_CONFIGURATION, - EngineList->EngineData.StartLane, - EngineList->EngineData.EndLane, - 0, - 0, - GnbLibGetHeader (Pcie) - ); - PcieConfigDisableEngine (EngineList); - Status = AGESA_ERROR; - AGESA_STATUS_UPDATE (Status, AgesaStatus); - } else { - WrapperPhyLaneBitMap |= EnginePhyLaneBitMap; - } - } - EngineList = PcieLibGetNextDescriptor (EngineList); - } - return AgesaStatus; -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Initialize engine data - * - * - * - * @param[in] ComplexDescriptor Pointer to user defined complex descriptor - * @param[in,out] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - */ -VOID -PcieMapInitializeEngineData ( - IN PCIe_COMPLEX_DESCRIPTOR *ComplexDescriptor, - IN OUT PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PCIe_ENGINE_CONFIG *EngineList; - PCIe_ENGINE_DESCRIPTOR *EngineDescriptor; - - EngineList = PcieConfigGetChildEngine (Wrapper); - while (EngineList != NULL) { - if (PcieLibIsEngineAllocated (EngineList)) { - if (EngineList->Scratch != 0xFF) { - EngineDescriptor = PcieInputParserGetEngineDescriptor (ComplexDescriptor, EngineList->Scratch); - LibAmdMemCopy (&EngineList->EngineData, &EngineDescriptor->EngineData, sizeof (EngineDescriptor->EngineData), GnbLibGetHeader (Pcie)); - if (PcieLibIsDdiEngine (EngineList)) { - LibAmdMemCopy (&EngineList->Type.Ddi, &((PCIe_DDI_DESCRIPTOR*) EngineDescriptor)->Ddi, sizeof (PCIe_DDI_DATA), GnbLibGetHeader (Pcie)); - EngineList->Type.Ddi.DisplayPriorityIndex = (UINT8) EngineList->Scratch; - } else if (PcieLibIsPcieEngine (EngineList)) { - LibAmdMemCopy (&EngineList->Type.Port, &((PCIe_PORT_DESCRIPTOR*) EngineDescriptor)->Port, sizeof (PCIe_PORT_DATA), GnbLibGetHeader (Pcie)); - } - } - } - EngineList = PcieLibGetNextDescriptor (EngineList); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Allocate PCI addresses for all PCIe engines on silicon - * - * - * - * @param[in] PortDescriptor Pointer to user defined engine descriptor - * @param[in] Engine Pointer engine configuration - * @retval TRUE Descriptor can be mapped to engine - * @retval FALSE Descriptor can NOT be mapped to engine - */ - -BOOLEAN -PcieCheckPortPciDeviceMapping ( - IN PCIe_PORT_DESCRIPTOR *PortDescriptor, - IN PCIe_ENGINE_CONFIG *Engine - ) -{ - BOOLEAN Result; - - if ((PortDescriptor->Port.DeviceNumber == Engine->Type.Port.NativeDevNumber && - PortDescriptor->Port.FunctionNumber == Engine->Type.Port.NativeFunNumber) || - (PortDescriptor->Port.DeviceNumber == 0 && PortDescriptor->Port.FunctionNumber == 0)) { - Result = TRUE; - } else { - Result = PcieFmCheckPortPciDeviceMapping (PortDescriptor, Engine); - } - - return Result; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Allocate PCI addresses for all PCIe engines on silicon - * - * - * - * @param[in] Silicon Pointer to silicon configurration - * @param[in] Pcie Pointer PCIe configuration - * @retval AGESA_ERROR Fail to allocate PCI device address - * @retval AGESA_SUCCESS Successfully allocate PCI address for all PCIe ports - */ - -AGESA_STATUS -STATIC -PcieMapPortsPciAddresses ( - IN PCIe_SILICON_CONFIG *Silicon, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - AGESA_STATUS Status; - AGESA_STATUS AgesaStatus; - PCIe_WRAPPER_CONFIG *WrapperList; - PCIe_ENGINE_CONFIG *EngineList; - AgesaStatus = AGESA_SUCCESS; - WrapperList = PcieConfigGetChildWrapper (Silicon); - while (WrapperList != NULL) { - EngineList = PcieConfigGetChildEngine (WrapperList); - while (EngineList != NULL) { - if (PcieLibIsPcieEngine (EngineList) && PcieLibIsEngineAllocated (EngineList)) { - Status = PcieFmMapPortPciAddress (EngineList); - AGESA_STATUS_UPDATE (Status, AgesaStatus); - if (Status == AGESA_SUCCESS) { - EngineList->Type.Port.Address.AddressValue = MAKE_SBDFO ( - 0, - Silicon->Address.Address.Bus, - EngineList->Type.Port.PortData.DeviceNumber, - EngineList->Type.Port.PortData.FunctionNumber, - 0 - ); - } else { - EngineList->Type.Port.PortData.PortPresent = OFF; - IDS_HDT_CONSOLE (PCIE_MISC, " ERROR! Fail to allocate PCI address for PCIe port\n" - ); - //Report error - PutEventLog ( - AGESA_ERROR, - GNB_EVENT_INVALID_PCIE_PORT_CONFIGURATION, - EngineList->Type.Port.PortData.DeviceNumber, - 0, - 0, - 0, - GnbLibGetHeader (Pcie) - ); - } - } - EngineList = PcieLibGetNextDescriptor (EngineList); - } - WrapperList = PcieLibGetNextDescriptor (WrapperList); - } - return AgesaStatus; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * If link width from user descriptor less or equal to link width of engine - * - * - * @param[in] EngineDescriptor Pointer to used define engine descriptor - * @param[in] Engine Pointer to engine config - * @retval TRUE Descriptor can be mapped to engine - * @retval FALSE Descriptor can NOT be mapped to engine - */ - -BOOLEAN -PcieCheckLanesMatch ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor, - IN PCIe_ENGINE_CONFIG *Engine - ) -{ - BOOLEAN Result; - UINT16 DescriptorHiLane; - UINT16 DescriptorLoLane; - UINT16 DescriptorNumberOfLanes; - - DescriptorLoLane = MIN (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorHiLane = MAX (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorNumberOfLanes = DescriptorHiLane - DescriptorLoLane + 1; - Result = FALSE; - - if (EngineDescriptor->EngineData.EngineType == PciePortEngine) { - // - // If link width from user descriptor less or equal to link width of engine (PCIe_ENGINE_CONFIG) - // - if (DescriptorNumberOfLanes <= PcieConfigGetNumberOfCoreLane (Engine)) { - Result = TRUE; - } - } else if (EngineDescriptor->EngineData.EngineType == PcieDdiEngine) { - // - //For Ddi, check lane from (PCIe_DDI_DESCRIPTOR) match exactly phy lane (PCIe_ENGINE_CONFIG) - // - if ((Engine->EngineData.StartLane == DescriptorLoLane) && (Engine->EngineData.EndLane == DescriptorHiLane)) { - Result = TRUE; - } - } - - return Result; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Correct link width for PCIe port x1, x2, x4, x8, x16, correct link width for DDI x4, x8 - * - * - * @param[in] EngineDescriptor A pointer of PCIe_ENGINE_DESCRIPTOR - * @retval TRUE Descriptor can be mapped to engine - * @retval FALSE Descriptor can NOT be mapped to engine - */ - -BOOLEAN -PcieIsDescriptorLinkWidthValid ( - IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor - ) -{ - BOOLEAN Result; - UINT16 DescriptorHiLane; - UINT16 DescriptorLoLane; - UINT16 DescriptorNumberOfLanes; - - Result = FALSE; - DescriptorLoLane = MIN (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorHiLane = MAX (EngineDescriptor->EngineData.StartLane, EngineDescriptor->EngineData.EndLane); - DescriptorNumberOfLanes = DescriptorHiLane - DescriptorLoLane + 1; - - if (EngineDescriptor->EngineData.EngineType == PciePortEngine) { - if (DescriptorNumberOfLanes == 1 || DescriptorNumberOfLanes == 2 || DescriptorNumberOfLanes == 4 || - DescriptorNumberOfLanes == 8 || DescriptorNumberOfLanes == 16) { - Result = TRUE; - } - } else if (EngineDescriptor->EngineData.EngineType == PcieDdiEngine) { - if (DescriptorNumberOfLanes == 4 || DescriptorNumberOfLanes == 8 || DescriptorNumberOfLanes == 7) { - Result = TRUE; - } - } - - GNB_DEBUG_CODE ( - if (!Result) { - IDS_HDT_CONSOLE (PCIE_MISC, " Invalid Link width [Engine Lanes %d..%d]\n", - DescriptorLoLane, - DescriptorHiLane - ); - } - ); - - return Result; -} - |