diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c | 672 |
1 files changed, 672 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c new file mode 100644 index 0000000000..f1fc4b8ac5 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieConfig/PcieMapTopology.c @@ -0,0 +1,672 @@ +/* $NoKeywords:$ */ +/** + * @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: 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 "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 + ); + +BOOLEAN +PcieIsDescriptorLinkWidthValid ( + IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor + ); + +BOOLEAN +PcieCheckLanesMatch ( + IN PCIe_ENGINE_DESCRIPTOR *EngineDescriptor, + IN PCIe_ENGINE_CONFIG *Engine + ); + +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 + */ +STATIC 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 = FALSE; + + if (Wrapper->StartPhyLane <= DescriptorLoLane && DescriptorHiLane <= Wrapper->EndPhyLane) { + // Lanes of descriptor belongs to wrapper + Result = TRUE; + } + 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; + IDS_HDT_CONSOLE (GNB_TRACE, "PcieMapTopologyOnWrapper Enter\n"); + 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); + } + IDS_HDT_CONSOLE (GNB_TRACE, "PcieMapTopologyOnWrapper Exit [%d]\n", AgesaStatus); + 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; +} + |