blob: 3821ac711089a5b796544ef2e8664577124a6f61 [file] [log] [blame]
/* $NoKeywords:$ */
/**
* @file
*
* Family specific PCIe wrapper configuration services
*
*
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: GNB
* @e \$Revision: 44325 $ @e \$Date: 2010-12-22 03:29:53 -0700 (Wed, 22 Dec 2010) $
*
*/
/*
*****************************************************************************
*
* 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 "Gnb.h"
#include "GnbPcie.h"
#include "PcieFamilyServices.h"
#include GNB_MODULE_DEFINITIONS (GnbCommonLib)
#include GNB_MODULE_DEFINITIONS (GnbPcieInitLibV1)
#include "PcieMiscLib.h"
#include "GnbPcieFamServices.h"
#include "OntarioDefinitions.h"
#include "GnbRegistersON.h"
#include "NbSmuLib.h"
#include "Filecode.h"
#define FILECODE PROC_GNB_PCIE_FAMILY_0X14_F14PCIEWRAPPERSERVICES_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
extern BUILD_OPT_CFG UserOptions;
/*----------------------------------------------------------------------------------------
* 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
PcieOnConfigureGppEnginesLaneAllocation (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 ConfigurationId
);
AGESA_STATUS
STATIC
PcieOnConfigureDdiEnginesLaneAllocation (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 ConfigurationId
);
VOID
PcieFmExecuteNativeGen1Reconfig (
IN PCIe_PLATFORM_CONFIG *Pcie
);
AGESA_STATUS
PcieOnGetGppConfigurationValue (
IN UINT64 ConfigurationSignature,
OUT UINT8 *ConfigurationValue
);
/*----------------------------------------------------------------------------------------
* T A B L E S
*----------------------------------------------------------------------------------------
*/
PCIE_HOST_REGISTER_ENTRY PcieInitTable [] = {
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6440_ADDRESS),
D0F0xE4_PHY_6440_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6440_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6480_ADDRESS),
D0F0xE4_PHY_6480_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6480_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6500_ADDRESS),
D0F0xE4_PHY_6500_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6500_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6600_ADDRESS),
D0F0xE4_PHY_6600_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6600_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6840_ADDRESS),
D0F0xE4_PHY_6840_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6840_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6880_ADDRESS),
D0F0xE4_PHY_6880_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6880_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6900_ADDRESS),
D0F0xE4_PHY_6900_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6900_RxInCalForce_OFFSET
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_6A00_ADDRESS),
D0F0xE4_PHY_6A00_RxInCalForce_MASK,
0x1 << D0F0xE4_PHY_6A00_RxInCalForce_OFFSET
},
{
WRAP_SPACE (0, D0F0xE4_WRAP_8016_ADDRESS),
D0F0xE4_WRAP_8016_CalibAckLatency_MASK,
0
},
{
PHY_SPACE (0, 0, D0F0xE4_PHY_4004_ADDRESS),
D0F0xE4_PHY_4004_PllBiasGenPdnbOvrdVal_MASK | D0F0xE4_PHY_4004_PllBiasGenPdnbOvrdEn_MASK,
(0x1 << D0F0xE4_PHY_4004_PllBiasGenPdnbOvrdVal_OFFSET) | (0x1 << D0F0xE4_PHY_4004_PllBiasGenPdnbOvrdEn_OFFSET)
},
{
D0F0xE4_x0108_8071_ADDRESS,
D0F0xE4_x0108_8071_RxAdjust_MASK,
0x3 << D0F0xE4_x0108_8071_RxAdjust_OFFSET
},
{
D0F0xE4_x0108_8072_ADDRESS,
D0F0xE4_x0108_8072_TxAdjust_MASK,
0x3 << D0F0xE4_x0108_8072_TxAdjust_OFFSET
},
};
/*----------------------------------------------------------------------------------------*/
/**
* Configure engine list to support lane allocation according to configuration ID.
*
*
*
* @param[in] Wrapper Pointer to wrapper config descriptor
* @param[in] EngineType Engine Type
* @param[in] ConfigurationId Configuration ID
* @retval AGESA_SUCCESS Configuration successfully applied
* @retval AGESA_UNSUPPORTED No more configuration available for given engine type
* @retval AGESA_ERROR Requested configuration not supported
*/
AGESA_STATUS
PcieFmConfigureEnginesLaneAllocation (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIE_ENGINE_TYPE EngineType,
IN UINT8 ConfigurationId
)
{
AGESA_STATUS Status;
Status = AGESA_ERROR;
switch (Wrapper->WrapId) {
case GPP_WRAP_ID:
if (EngineType != PciePortEngine) {
return AGESA_UNSUPPORTED;
}
Status = PcieOnConfigureGppEnginesLaneAllocation (Wrapper, ConfigurationId);
break;
case DDI_WRAP_ID:
if (EngineType != PcieDdiEngine) {
return AGESA_UNSUPPORTED;
}
Status = PcieOnConfigureDdiEnginesLaneAllocation (Wrapper, ConfigurationId);
break;
default:
ASSERT (FALSE);
}
return Status;
}
CONST UINT8 GppLaneConfigurationTable [][NUMBER_OF_GPP_PORTS * 2] = {
//4 5 6 7 8 (SB)
{4, 7, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, 0, 3},
{4, 5, 6, 7, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, UNUSED_LANE_ID, 0, 3},
{4, 5, UNUSED_LANE_ID, UNUSED_LANE_ID, 6, 7, UNUSED_LANE_ID, UNUSED_LANE_ID, 0, 3},
{4, 5, 6, 6, 7, 7, UNUSED_LANE_ID, UNUSED_LANE_ID, 0, 3},
{4, 5, UNUSED_LANE_ID, UNUSED_LANE_ID, 6, 6, 7, 7, 0, 3},
{4, 4, 5, 5, 6, 6, 7, 7, 0, 3}
};
CONST UINT8 GppPortIdConfigurationTable [][NUMBER_OF_GPP_PORTS] = {
//4 5 6 7 8 (SB)
{1, 2, 3, 4, 0},
{1, 2, 3, 4, 0},
{1, 3, 2, 4, 0},
{1, 2, 3, 4, 0},
{1, 4, 2, 3, 0},
{1, 2, 3, 4, 0}
};
/*----------------------------------------------------------------------------------------*/
/**
* Configure GFX engine list to support lane allocation according to configuration ID.
*
*
*
* @param[in] Wrapper Pointer to wrapper config descriptor
* @param[in] ConfigurationId Configuration ID
* @retval AGESA_SUCCESS Configuration successfully applied
* @retval AGESA_ERROR Requested configuration not supported
*/
AGESA_STATUS
STATIC
PcieOnConfigureGppEnginesLaneAllocation (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 ConfigurationId
)
{
PCIe_ENGINE_CONFIG *EnginesList;
UINTN CoreLaneIndex;
UINTN PortIdIndex;
if (ConfigurationId > ((sizeof (GppLaneConfigurationTable) / (NUMBER_OF_GPP_PORTS * 2)) - 1)) {
return AGESA_ERROR;
}
EnginesList = PcieWrapperGetEngineList (Wrapper);
CoreLaneIndex = 0;
PortIdIndex = 0;
do {
if (PortIdIndex > 0) EnginesList++;
EnginesList->Flags &= ~DESCRIPTOR_ALLOCATED;
EnginesList->Type.Port.PortId = GppPortIdConfigurationTable [ConfigurationId][PortIdIndex++];
EnginesList->Type.Port.StartCoreLane = GppLaneConfigurationTable [ConfigurationId][CoreLaneIndex++];
EnginesList->Type.Port.EndCoreLane = GppLaneConfigurationTable [ConfigurationId][CoreLaneIndex++];
} while (IS_LAST_DESCRIPTOR (EnginesList));
return AGESA_SUCCESS;
}
CONST UINT8 DdiLaneConfigurationTable [][NUMBER_OF_DDIS * 2] = {
{0, 3, 4, 7, 8, 11}
};
/*----------------------------------------------------------------------------------------*/
/**
* Configure DDI engine list to support lane allocation according to configuration ID.
*
*
*
* @param[in] Wrapper Pointer to wrapper config descriptor
* @param[in] ConfigurationId Configuration ID
* @retval AGESA_SUCCESS Configuration successfully applied
* @retval AGESA_ERROR Requested configuration not supported
*/
AGESA_STATUS
STATIC
PcieOnConfigureDdiEnginesLaneAllocation (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 ConfigurationId
)
{
PCIe_ENGINE_CONFIG *EnginesList;
UINTN LaneIndex;
EnginesList = PcieWrapperGetEngineList (Wrapper);
if (ConfigurationId > ((sizeof (DdiLaneConfigurationTable) / (NUMBER_OF_DDIS * 2)) - 1)) {
return AGESA_ERROR;
}
LaneIndex = 0;
do {
if (LaneIndex > 0) EnginesList++;
EnginesList->Flags &= ~DESCRIPTOR_ALLOCATED;
EnginesList->EngineData.StartLane = DdiLaneConfigurationTable [ConfigurationId][LaneIndex++] +
Wrapper->StartPhyLane;
EnginesList->EngineData.EndLane = DdiLaneConfigurationTable [ConfigurationId][LaneIndex++] +
Wrapper->StartPhyLane;
} while (IS_LAST_DESCRIPTOR (EnginesList));
return AGESA_SUCCESS;
}
/*----------------------------------------------------------------------------------------*/
/**
* Configure clock to run out of the wrapper at specific speed
*
*
* @param[in] LinkSpeedCapability Link Speed capability
* @param[in] Wrapper Pointer to wrapper config descriptor
* @param[in] Pcie Pointer to global PCIe configuration
*/
VOID
PcieFmConfigureClock (
IN PCIE_LINK_SPEED_CAP LinkSpeedCapability,
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
}
/*----------------------------------------------------------------------------------------*/
/**
* Get configuration Value for GPP wrapper
*
*
*
* @param[in] ConfigurationSignature Configuration signature
* @param[out] ConfigurationValue Configuration value
* @retval AGESA_SUCCESS Correct core configuration value returned by in *ConfigurationValue
* @retval AGESA_ERROR ConfigurationSignature is incorrect
*/
AGESA_STATUS
PcieOnGetGppConfigurationValue (
IN UINT64 ConfigurationSignature,
OUT UINT8 *ConfigurationValue
)
{
switch (ConfigurationSignature) {
case GPP_CORE_x4x1x1x1x1:
*ConfigurationValue = 0x4;
break;
case GPP_CORE_x4x2x1x1:
case GPP_CORE_x4x2x1x1_ST:
//Configuration 2:1:1 - Device Numbers 4:5:6
//Configuration 2:1:1 - Device Numbers 4:6:7
*ConfigurationValue = 0x3;
break;
case GPP_CORE_x4x2x2:
case GPP_CORE_x4x2x2_ST:
//Configuration 2:2 - Device Numbers 4:5
//Configuration 2:2 - Device Numbers 4:6
*ConfigurationValue = 0x2;
break;
case GPP_CORE_x4x4:
*ConfigurationValue = 0x1;
break;
default:
ASSERT (FALSE);
return AGESA_ERROR;
}
return AGESA_SUCCESS;
}
/*----------------------------------------------------------------------------------------*/
/**
* Get core configuration value
*
*
*
* @param[in] Wrapper Pointer to internal configuration data area
* @param[in] CoreId Core ID
* @param[in] ConfigurationSignature Configuration signature
* @param[out] ConfigurationValue Configuration value (for core configuration)
* @retval AGESA_SUCCESS Configuration successfully applied
* @retval AGESA_ERROR Core configuration value can not be determined
*/
AGESA_STATUS
PcieFmGetCoreConfigurationValue (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 CoreId,
IN UINT64 ConfigurationSignature,
IN UINT8 *ConfigurationValue
)
{
AGESA_STATUS Status;
if (Wrapper->WrapId == GPP_WRAP_ID) {
Status = PcieOnGetGppConfigurationValue (ConfigurationSignature, ConfigurationValue);
} else {
Status = AGESA_ERROR;
}
return Status;
}
/*----------------------------------------------------------------------------------------*/
/**
* Get max link speed capability supported by this port
*
*
*
* @param[in] Flags See Flags PCIE_PORT_GEN_CAP_BOOT / PCIE_PORT_GEN_CAP_MAX
* @param[in] Engine Pointer to engine config descriptor
* @param[in] Pcie Pointer to global PCIe configuration
* @retval PcieGen1/PcieGen2 Max supported link gen capability
*/
PCIE_LINK_SPEED_CAP
PcieFmGetLinkSpeedCap (
IN UINT32 Flags,
IN PCIe_ENGINE_CONFIG *Engine,
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
PCIE_LINK_SPEED_CAP LinkSpeedCapability;
ASSERT (Engine->Type.Port.PortData.LinkSpeedCapability < MaxPcieGen);
LinkSpeedCapability = PcieGen2;
if (Engine->Type.Port.PortData.LinkSpeedCapability == PcieGenMaxSupported) {
Engine->Type.Port.PortData.LinkSpeedCapability = (UINT8) LinkSpeedCapability;
}
if (Pcie->PsppPolicy == PsppPowerSaving) {
LinkSpeedCapability = PcieGen1;
}
if (Engine->Type.Port.PortData.LinkSpeedCapability < LinkSpeedCapability) {
LinkSpeedCapability = Engine->Type.Port.PortData.LinkSpeedCapability;
}
if ((Flags & PCIE_PORT_GEN_CAP_BOOT) != 0) {
if (Pcie->PsppPolicy == PsppBalanceLow || Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) {
LinkSpeedCapability = PcieGen1;
}
}
return LinkSpeedCapability;
}
/*----------------------------------------------------------------------------------------*/
/**
* Various initialization needed prior topology and configuration initialization
*
*
*
* @param[in] Pcie Pointer to global PCIe configuration
*
*/
VOID
PcieFmPreInit (
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
UINT32 Index;
PCIe_SILICON_CONFIG *Silicon;
PCIE_LINK_SPEED_CAP GlobalCapability;
F14_PCIe_WRAPPER_CONFIG *F14PcieWrapper;
Silicon = PcieComplexGetSiliconList (&Pcie->ComplexList[0]);
F14PcieWrapper = &((F14_COMPLEX_CONFIG*) Silicon)->FmGppWrapper ;
GlobalCapability = PcieUtilGlobalGenCapability (
PCIE_PORT_GEN_CAP_MAX | PCIE_GLOBAL_GEN_CAP_ALL_PORTS,
Pcie
);
if ((GlobalCapability == PcieGen1) && (F14PcieWrapper->NativeGen1Support == TRUE)) {
PcieFmExecuteNativeGen1Reconfig (Pcie);
}
Silicon = PcieComplexGetSiliconList (&Pcie->ComplexList[0]);
for (Index = 0; Index < (sizeof (PcieInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)); Index++) {
PcieSiliconRegisterRMW (
Silicon,
PcieInitTable[Index].Reg,
PcieInitTable[Index].Mask,
PcieInitTable[Index].Data,
FALSE,
Pcie
);
}
// Set PCIe SSID.
PcieSiliconRegisterRMW (
Silicon,
WRAP_SPACE (0, D0F0xE4_WRAP_8002_ADDRESS),
D0F0xE4_WRAP_8002_SubsystemVendorID_MASK | D0F0xE4_WRAP_8002_SubsystemID_MASK,
UserOptions.CfgGnbPcieSSID,
FALSE,
Pcie
);
}
/*----------------------------------------------------------------------------------------*/
/**
* Check if engine can be remapped to Device/function number requested by user
* defined engine descriptor
*
* Function only called if requested device/function does not much native device/function
*
* @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
PcieFmCheckPortPciDeviceMapping (
IN PCIe_PORT_DESCRIPTOR *PortDescriptor,
IN PCIe_ENGINE_CONFIG *Engine
)
{
return FALSE;
}
/*----------------------------------------------------------------------------------------*/
/**
* Get core configuration string
*
* Debug function for logging configuration
*
* @param[in] Wrapper Pointer to internal configuration data area
* @param[in] ConfigurationValue Configuration value
* @retval Configuration string
*/
CONST CHAR8*
PcieFmDebugGetCoreConfigurationString (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN UINT8 ConfigurationValue
)
{
switch (ConfigurationValue) {
case 4:
return (CONST CHAR8*)"1x4, 4x1";
case 3:
return (CONST CHAR8*)"1x4, 1x2, 2x1";
case 2:
return (CONST CHAR8*)"1x4, 2x2";
case 1:
return (CONST CHAR8*)"1x4, 1x4";
default:
break;
}
return (CONST CHAR8*)" !!! Something Wrong !!!";
}
/*----------------------------------------------------------------------------------------*/
/**
* Get wrapper name
*
* Debug function for logging wrapper name
*
* @param[in] Wrapper Pointer to internal configuration data area
* @retval Wrapper Name string
*/
CONST CHAR8*
PcieFmDebugGetWrapperNameString (
IN PCIe_WRAPPER_CONFIG *Wrapper
)
{
switch (Wrapper->WrapId) {
case GPP_WRAP_ID:
return (CONST CHAR8*)"GPPSB";
case DDI_WRAP_ID:
return (CONST CHAR8*)"Virtual DDI";
default:
break;
}
return (CONST CHAR8*)" !!! Something Wrong !!!";
}
/*----------------------------------------------------------------------------------------*/
/**
* Get register address name
*
* Debug function for logging register trace
*
* @param[in] AddressFrame Address Frame
* @retval Register address name
*/
CONST CHAR8*
PcieFmDebugGetHostRegAddressSpaceString (
IN UINT16 AddressFrame
)
{
switch (AddressFrame) {
case 0x130:
return (CONST CHAR8*)"GPP WRAP";
case 0x110:
return (CONST CHAR8*)"GPP PIF0";
case 0x120:
return (CONST CHAR8*)"GPP PHY0";
case 0x101:
return (CONST CHAR8*)"GPP CORE";
default:
break;
}
return (CONST CHAR8*)" !!! Something Wrong !!!";
}
/*----------------------------------------------------------------------------------------*/
/**
* Execute/clean up reconfiguration for Gen 1 native mode
*
*
*
* @param[in] Pcie Pointer to global PCIe configuration
*/
VOID
PcieFmExecuteNativeGen1Reconfig (
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
IDS_HDT_CONSOLE (GNB_TRACE, "PcieFmExecuteNativeGen1Reconfig Enter\n");
NbSmuServiceRequest (19, FALSE, GnbLibGetHeader (Pcie));
IDS_HDT_CONSOLE (GNB_TRACE, "PcieFmExecuteNativeGen1Reconfig Enter\n");
}
/*----------------------------------------------------------------------------------------*/
/**
* Check if the lane can be muxed by link width requested by user
* defined engine descriptor
*
* Check Engine StartCoreLane could be aligned by user requested link width(x1, x2, x4, x8, x16).
* Check Engine StartCoreLane could be aligned by user requested link width x2.
*
* @param[in] PortDescriptor Pointer to user defined engine descriptor
* @param[in] Engine Pointer engine configuration
* @retval TRUE Lane can be muxed
* @retval FALSE LAne can NOT be muxed
*/
BOOLEAN
PcieFmCheckPortPcieLaneCanBeMuxed (
IN PCIe_PORT_DESCRIPTOR *PortDescriptor,
IN PCIe_ENGINE_CONFIG *Engine
)
{
UINT16 DescriptorHiLane;
UINT16 DescriptorLoLane;
UINT16 DescriptorNumberOfLanes;
PCIe_WRAPPER_CONFIG *Wrapper;
UINT16 NormalizedLoPhyLane;
BOOLEAN Result;
Result = FALSE;
Wrapper = (PCIe_WRAPPER_CONFIG *)Engine->Wrapper;
DescriptorLoLane = MIN (PortDescriptor->EngineData.StartLane, PortDescriptor->EngineData.EndLane);
DescriptorHiLane = MAX (PortDescriptor->EngineData.StartLane, PortDescriptor->EngineData.EndLane);
DescriptorNumberOfLanes = DescriptorHiLane - DescriptorLoLane + 1;
NormalizedLoPhyLane = DescriptorLoLane - Wrapper->StartPhyLane;
if (NormalizedLoPhyLane == Engine->Type.Port.StartCoreLane) {
Result = TRUE;
} else {
if (((Engine->Type.Port.StartCoreLane % 2) == 0) || (Engine->Type.Port.StartCoreLane == 0)) {
if (NormalizedLoPhyLane == 0) {
Result = TRUE;
} else {
if (((NormalizedLoPhyLane % 2) == 0) && ((NormalizedLoPhyLane % DescriptorNumberOfLanes) == 0)) {
Result = TRUE;
}
}
}
}
return Result;
}