diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieTrainingV1/PcieTraining.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieTrainingV1/PcieTraining.c | 864 |
1 files changed, 0 insertions, 864 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieTrainingV1/PcieTraining.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieTrainingV1/PcieTraining.c deleted file mode 100644 index 48d59afbdd..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieTrainingV1/PcieTraining.c +++ /dev/null @@ -1,864 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * PCIe link training - * - * - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: GNB - * @e \$Revision: 48452 $ @e \$Date: 2011-03-09 12:50:44 +0800 (Wed, 09 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 "GeneralServices.h" -#include "Gnb.h" -#include "GnbPcie.h" -#include "GnbCommonLib.h" -#include "GnbPcieConfig.h" -#include "GnbPcieInitLibV1.h" -#include "PcieWorkarounds.h" -#include "PcieTraining.h" -#include "GnbRegistersLN.h" -#include "Filecode.h" -#define FILECODE PROC_GNB_MODULES_GNBPCIETRAININGV1_PCIETRAINING_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 - *---------------------------------------------------------------------------------------- - */ -VOID -PcieSetResetStateOnEngines ( - IN PCIe_ENGINE_CONFIG *Engine, - IN OUT VOID *Buffer, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -VOID -PcieTrainingCheckResetDuration ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -VOID -PcieTrainingDeassertReset ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -VOID -PcieTrainingBrokenLine ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -VOID -PcieTrainingGen2Fail ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ); - -/* - VOID -STATIC -PcieTrainingDebugDumpPortState ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ); -*/ - - -/*----------------------------------------------------------------------------------------*/ -/** - * Set link State - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] State State to set - * @param[in] UpdateTimeStamp Update time stamp - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -PcieTrainingSetPortState ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN UINT8 State, - IN BOOLEAN UpdateTimeStamp, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 TimeStamp; - CurrentEngine->Type.Port.State = State; - if (UpdateTimeStamp) { - TimeStamp = PcieTimerGetTimeStamp (Pcie); - CurrentEngine->Type.Port.TimeStamp = TimeStamp; - } - GNB_DEBUG_CODE ( - PcieTrainingDebugDumpPortState (CurrentEngine, Pcie) - ); -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Set state for all engines connected to same reset ID - * - * - * - * @param[in] Engine Pointer to engine config descriptor - * @param[in, out] Buffer Pointer to Reset Id - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -PcieSetResetStateOnEngines ( - IN PCIe_ENGINE_CONFIG *Engine, - IN OUT VOID *Buffer, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 ResetId; - ResetId = *(UINT8 *)Buffer; - if (Engine->Type.Port.PortData.ResetId == ResetId) { - PcieTrainingSetPortState (Engine, LinkStateResetDuration, TRUE, Pcie); - } -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Assert GPIO port reset. - * - * Transition to LinkStateResetDuration state - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingAssertReset ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PCIe_SLOT_RESET_INFO ResetInfo; - ResetInfo.ResetControl = AssertSlotReset; - ResetInfo.ResetId = CurrentEngine->Type.Port.PortData.ResetId; - LibAmdMemCopy (&ResetInfo.StdHeader, GnbLibGetHeader (Pcie), sizeof (AMD_CONFIG_PARAMS), GnbLibGetHeader (Pcie)); - AgesaPcieSlotResetControl (0, &ResetInfo); - PcieConfigRunProcForAllEngines ( - DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, - PcieSetResetStateOnEngines, - (VOID *)&CurrentEngine->Type.Port.PortData.ResetId, - Pcie - ); -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Check for reset duration - * - * Transition to LinkStateResetDuration state - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -PcieTrainingCheckResetDuration ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 TimeStamp; - TimeStamp = PcieTimerGetTimeStamp (Pcie); - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= Pcie->LinkGpioResetAssertionTime) { - PcieTrainingSetPortState (CurrentEngine, LinkStateResetExit, FALSE, Pcie); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Deassert GPIO port reset. - * - * Transition to LinkStateResetDuration state - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Platform configuration - * - */ -VOID -PcieTrainingDeassertReset ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PCIe_SLOT_RESET_INFO ResetInfo; - ResetInfo.ResetControl = DeassertSlotReset; - ResetInfo.ResetId = CurrentEngine->Type.Port.PortData.ResetId; - LibAmdMemCopy (&ResetInfo.StdHeader, GnbLibGetHeader (Pcie), sizeof (AMD_CONFIG_PARAMS), GnbLibGetHeader (Pcie)); - AgesaPcieSlotResetControl (0, &ResetInfo); - PcieTrainingSetPortState (CurrentEngine, LinkTrainingResetTimeout, TRUE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Check for after reset deassertion timeout - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingCheckResetTimeout ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 TimeStamp; - TimeStamp = PcieTimerGetTimeStamp (Pcie); - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= Pcie->LinkResetToTrainingTime) { - PcieTrainingSetPortState (CurrentEngine, LinkStateReleaseTraining, FALSE, Pcie); - } -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Release training - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingRelease ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 LinkTrainingState; - PcieRegisterWriteField ( - PcieConfigGetParentWrapper (CurrentEngine), - WRAP_SPACE (PcieConfigGetParentWrapper (CurrentEngine)->WrapId, D0F0xE4_WRAP_0800_ADDRESS + 0x100 * CurrentEngine->Type.Port.PortId), - D0F0xE4_WRAP_0800_HoldTraining_OFFSET, - D0F0xE4_WRAP_0800_HoldTraining_WIDTH, - 0, - FALSE, - Pcie - ); - if (CurrentEngine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) { - LinkTrainingState = LinkStateCompliance; - } else { - LinkTrainingState = LinkStateDetectPresence; - } - PcieTrainingSetPortState (CurrentEngine, LinkTrainingState, TRUE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Detect presence of any EP on the link - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ - -VOID -STATIC -PcieTrainingDetectPresence ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 LinkHwStateHistory[4]; - UINT32 TimeStamp; - PcieUtilGetLinkHwStateHistory (CurrentEngine, &LinkHwStateHistory[0], 4, Pcie); - if (LinkHwStateHistory[0] > 4) { - PcieTrainingSetPortState (CurrentEngine, LinkStateDetecting, TRUE, Pcie); - return; - } - TimeStamp = PcieTimerGetTimeStamp (Pcie); - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= Pcie->LinkReceiverDetectionPooling) { - PcieTrainingSetPortState (CurrentEngine, LinkStateDeviceNotPresent, FALSE, Pcie); - } -} - -UINT8 FailPattern1 [] = {0x2a, 0x6}; -UINT8 FailPattern2 [] = {0x2a, 0x9}; - -/*----------------------------------------------------------------------------------------*/ -/** - * Detect Link State - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ - -VOID -STATIC -PcieTrainingDetectLinkState ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 LinkHwStateHistory[16]; - UINT32 TimeStamp; - UINT8 LinkTrainingState; - PcieUtilGetLinkHwStateHistory (CurrentEngine, &LinkHwStateHistory[0], 4, Pcie); - if (LinkHwStateHistory[0] == 0x10) { - PcieTrainingSetPortState (CurrentEngine, LinkStateL0, FALSE, Pcie); - return; - }; - TimeStamp = PcieTimerGetTimeStamp (Pcie); - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= Pcie->LinkL0Pooling) { - LinkTrainingState = LinkStateTrainingFail; - PcieUtilGetLinkHwStateHistory (CurrentEngine, &LinkHwStateHistory[0], 16, Pcie); - if (LinkHwStateHistory[0] == 0x7) { - LinkTrainingState = LinkStateCompliance; - } else if (PcieUtilSearchArray (LinkHwStateHistory, sizeof (LinkHwStateHistory), FailPattern1, sizeof (FailPattern1))) { - LinkTrainingState = LinkStateBrokenLane; - } else if (PcieUtilSearchArray (LinkHwStateHistory, sizeof (LinkHwStateHistory), FailPattern2, sizeof (FailPattern2))) { - LinkTrainingState = LinkStateGen2Fail; - } - PcieTrainingSetPortState (CurrentEngine, LinkTrainingState, FALSE, Pcie); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Broken Lane - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ - -VOID -PcieTrainingBrokenLine ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 CurrentLinkWidth; - UINT8 LinkTrainingState; - CurrentLinkWidth = PcieUtilGetLinkWidth (CurrentEngine, Pcie); - if (CurrentLinkWidth < PcieConfigGetNumberOfPhyLane (CurrentEngine) && CurrentLinkWidth > 0) { - CurrentEngine->InitStatus |= INIT_STATUS_PCIE_PORT_BROKEN_LANE_RECOVERY; - PcieTopologyReduceLinkWidth (CurrentLinkWidth, CurrentEngine, Pcie); - LinkTrainingState = LinkStateResetAssert; - PutEventLog ( - AGESA_WARNING, - GNB_EVENT_BROKEN_LANE_RECOVERY, - CurrentEngine->Type.Port.Address.AddressValue, - 0, - 0, - 0, - GnbLibGetHeader (Pcie) - ); - } else { - LinkTrainingState = LinkStateGen2Fail; - } - PcieTrainingSetPortState (CurrentEngine, LinkTrainingState, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Check if link fail because device does not support Gen2 - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -PcieTrainingGen2Fail ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 LinkTrainingState; - if (CurrentEngine->Type.Port.PortData.MiscControls.LinkSafeMode != PcieGen1) { - PcieConfigUpdatePortStatus (CurrentEngine, INIT_STATUS_PCIE_PORT_GEN2_RECOVERY, 0); - CurrentEngine->Type.Port.PortData.MiscControls.LinkSafeMode = PcieGen1; - PcieLinkSafeMode (CurrentEngine, Pcie); - LinkTrainingState = LinkStateResetAssert; - PutEventLog ( - AGESA_WARNING, - GNB_EVENT_BROKEN_LANE_RECOVERY, - CurrentEngine->Type.Port.Address.AddressValue, - 0, - 0, - 0, - GnbLibGetHeader (Pcie) - ); - } else { - LinkTrainingState = LinkStateTrainingFail; - } - PcieTrainingSetPortState (CurrentEngine, LinkTrainingState, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Link in L0 - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieCheckLinkL0 ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PcieTrainingSetPortState (CurrentEngine, LinkStateVcoNegotiation, TRUE, Pcie); -} -/*----------------------------------------------------------------------------------------*/ -/** - * Check if link fail because device does not support Gen X - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingCheckVcoNegotiation ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 TimeStamp; - DxF0x128_STRUCT DxF0x128; - TimeStamp = PcieTimerGetTimeStamp (Pcie); - GnbLibPciRead (CurrentEngine->Type.Port.Address.AddressValue | DxF0x128_ADDRESS, AccessWidth32, &DxF0x128, GnbLibGetHeader (Pcie)); - if (DxF0x128.Field.VcNegotiationPending == 0) { - UINT16 NumberOfPhyLane; - NumberOfPhyLane = PcieConfigGetNumberOfPhyLane (CurrentEngine); - if (Pcie->GfxCardWorkaround == GfxWorkaroundEnable && NumberOfPhyLane >= 8) { - // Limit exposure of workaround to x8 and x16 port. - PcieTrainingSetPortState (CurrentEngine, LinkStateGfxWorkaround, TRUE, Pcie); - } else { - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingSuccess, FALSE, Pcie); - } - return; - } - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= 1000 * 1000) { - PcieTrainingSetPortState (CurrentEngine, LinkStateRetrain, FALSE, Pcie); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Check if for GFX workaround condition - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingGfxWorkaround ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 TimeStamp; - GFX_WORKAROUND_STATUS GfxWorkaroundStatus; - TimeStamp = PcieTimerGetTimeStamp (Pcie); - - GfxWorkaroundStatus = PcieGfxCardWorkaround (CurrentEngine->Type.Port.Address, GnbLibGetHeader (Pcie)); - switch (GfxWorkaroundStatus) { - case GFX_WORKAROUND_DEVICE_NOT_READY: - if (TIMESTAMPS_DELTA (TimeStamp, CurrentEngine->Type.Port.TimeStamp) >= 1000 * 2000) { - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingFail, TRUE, Pcie); - } - break; - case GFX_WORKAROUND_SUCCESS: - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingSuccess, FALSE, Pcie); - break; - case GFX_WORKAROUND_RESET_DEVICE: - if (CurrentEngine->Type.Port.GfxWrkRetryCount < 5) { - CurrentEngine->Type.Port.GfxWrkRetryCount++; - PcieTrainingSetPortState (CurrentEngine, LinkStateResetAssert, TRUE, Pcie); - } else { - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingFail, TRUE, Pcie); - } - break; - default: - ASSERT (FALSE); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Retrain link - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingRetrainLink ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PciePortRegisterWriteField ( - CurrentEngine, - DxF0xE4_xA2_ADDRESS, - DxF0xE4_xA2_LcReconfigNow_OFFSET, - DxF0xE4_xA2_LcReconfigNow_WIDTH, - 1, - FALSE, - Pcie - ); - PcieTrainingSetPortState (CurrentEngine, LinkStateDetecting, TRUE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Training fail on this port - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingFail ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PcieConfigUpdatePortStatus (CurrentEngine, INIT_STATUS_PCIE_PORT_TRAINING_FAIL, 0); - PcieTrainingSetPortState (CurrentEngine, LinkStateDeviceNotPresent, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Links training success - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ - -VOID -STATIC -PcieTrainingSuccess ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PcieConfigUpdatePortStatus (CurrentEngine, INIT_STATUS_PCIE_TRAINING_SUCCESS, 0); - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingCompleted, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Links in compliance - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingCompliance ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - PcieConfigUpdatePortStatus (CurrentEngine, INIT_STATUS_PCIE_PORT_IN_COMPLIANCE, 0); - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingCompleted, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * PCie EP not present - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingNotPresent ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - if ((CurrentEngine->Type.Port.PortData.LinkHotplug == HotplugEnhanced) || (CurrentEngine->Type.Port.PortData.LinkHotplug == HotplugServer)) { - } else { - PcieRegisterWriteField ( - PcieConfigGetParentWrapper (CurrentEngine), - WRAP_SPACE (PcieConfigGetParentWrapper (CurrentEngine)->WrapId, D0F0xE4_WRAP_0800_ADDRESS + 0x100 * CurrentEngine->Type.Port.PortId), - D0F0xE4_WRAP_0800_HoldTraining_OFFSET, - D0F0xE4_WRAP_0800_HoldTraining_WIDTH, - 1, - FALSE, - Pcie - ); - } - PcieTrainingSetPortState (CurrentEngine, LinkStateTrainingCompleted, FALSE, Pcie); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Final state. Port training completed. - * - * Initialization status recorded in PCIe_ENGINE_CONFIG.InitStatus - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ -VOID -STATIC -PcieTrainingCompleted ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ -} - -/*----------------------------------------------------------------------------------------*/ -/** - * 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 -PcieTrainingPortCallback ( - IN PCIe_ENGINE_CONFIG *Engine, - IN OUT VOID *Buffer, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - BOOLEAN *TrainingComplete; - TrainingComplete = (BOOLEAN *) Buffer; - if (Engine->Type.Port.State < Pcie->TrainingExitState) { - *TrainingComplete = FALSE; - } else { - return; - } - switch (Engine->Type.Port.State) { - case LinkStateResetAssert: - PcieTrainingAssertReset (Engine, Pcie); - break; - case LinkStateResetDuration: - PcieTrainingCheckResetDuration (Engine, Pcie); - break; - case LinkStateResetExit: - PcieTrainingDeassertReset (Engine, Pcie); - break; - case LinkTrainingResetTimeout: - PcieTrainingCheckResetTimeout (Engine, Pcie); - break; - case LinkStateReleaseTraining: - PcieTrainingRelease (Engine, Pcie); - break; - case LinkStateDetectPresence: - PcieTrainingDetectPresence (Engine, Pcie); - break; - case LinkStateDetecting: - PcieTrainingDetectLinkState (Engine, Pcie); - break; - case LinkStateBrokenLane: - PcieTrainingBrokenLine (Engine, Pcie); - break; - case LinkStateGen2Fail: - PcieTrainingGen2Fail (Engine, Pcie); - break; - case LinkStateL0: - PcieCheckLinkL0 (Engine, Pcie); - break; - case LinkStateVcoNegotiation: - PcieTrainingCheckVcoNegotiation (Engine, Pcie); - break; - case LinkStateRetrain: - PcieTrainingRetrainLink (Engine, Pcie); - break; - case LinkStateTrainingFail: - PcieTrainingFail (Engine, Pcie); - break; - case LinkStateGfxWorkaround: - PcieTrainingGfxWorkaround (Engine, Pcie); - break; - case LinkStateTrainingSuccess: - PcieTrainingSuccess (Engine, Pcie); - break; - case LinkStateCompliance: - PcieTrainingCompliance (Engine, Pcie); - break; - case LinkStateDeviceNotPresent: - PcieTrainingNotPresent (Engine, Pcie); - break; - case LinkStateTrainingCompleted: - PcieTrainingCompleted (Engine, Pcie); - break; - default: - break; - } - -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Main link training procedure - * - * Port end up in three possible state LinkStateTrainingNotPresent/LinkStateCompliance/ - * LinkStateTrainingSuccess - * - * @param[in] Pcie Pointer to global PCIe configuration - * @retval AGESA_STATUS - * - */ - -AGESA_STATUS -PcieTraining ( - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - AGESA_STATUS Status; - BOOLEAN TrainingComplete; - Status = AGESA_SUCCESS; - IDS_HDT_CONSOLE (GNB_TRACE, "PcieTraining Enter\n"); - do { - TrainingComplete = TRUE; - PcieConfigRunProcForAllEngines ( - DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, - PcieTrainingPortCallback, - &TrainingComplete, - Pcie - ); - } while (!TrainingComplete); - IDS_HDT_CONSOLE (GNB_TRACE, "PcieTraining Exit [%x]\n", Status); - return Status; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Helper function to dump port state on state transition - * - * - * @param[in] CurrentEngine Pointer to engine config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * - */ - -/* -VOID -STATIC -PcieTrainingDebugDumpPortState ( - IN PCIe_ENGINE_CONFIG *CurrentEngine, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - IDS_HDT_CONSOLE (PCIE_MISC, " Port %d:%d:%d State [%s] Time Stamp [%d]\n", - CurrentEngine->Type.Port.Address.Address.Bus, - CurrentEngine->Type.Port.Address.Address.Device, - CurrentEngine->Type.Port.Address.Address.Function, - (CurrentEngine->Type.Port.State == LinkStateTrainingFail) ? "LinkStateTrainingFail " : ( - (CurrentEngine->Type.Port.State == LinkStateTrainingSuccess) ? "LinkStateTrainingSuccess " : ( - (CurrentEngine->Type.Port.State == LinkStateCompliance) ? "LinkStateCompliance " : ( - (CurrentEngine->Type.Port.State == LinkStateDeviceNotPresent) ? "LinkStateDeviceNotPresent" : ( - (CurrentEngine->Type.Port.State == LinkStateResetAssert) ? "LinkStateResetAssert " : ( - (CurrentEngine->Type.Port.State == LinkStateResetDuration) ? "LinkStateResetDuration " : ( - (CurrentEngine->Type.Port.State == LinkStateResetDuration) ? "LinkStateResetExit " : ( - (CurrentEngine->Type.Port.State == LinkTrainingResetTimeout) ? "LinkTrainingResetTimeout " : ( - (CurrentEngine->Type.Port.State == LinkStateReleaseTraining) ? "LinkStateReleaseTraining " : ( - (CurrentEngine->Type.Port.State == LinkStateDetectPresence) ? "LinkStateDetectPresence " : ( - (CurrentEngine->Type.Port.State == LinkStateDetecting) ? "LinkStateDetecting " : ( - (CurrentEngine->Type.Port.State == LinkStateBrokenLane) ? "LinkStateBrokenLane " : ( - (CurrentEngine->Type.Port.State == LinkStateGen2Fail) ? "LinkStateGen2Fail " : ( - (CurrentEngine->Type.Port.State == LinkStateL0) ? "LinkStateL0 " : ( - (CurrentEngine->Type.Port.State == LinkStateVcoNegotiation) ? "LinkStateVcoNegotiation " : ( - (CurrentEngine->Type.Port.State == LinkStateGfxWorkaround) ? "LinkStateGfxWorkaround " : ( - (CurrentEngine->Type.Port.State == LinkStateTrainingCompleted) ? "LinkStateTrainingComplete" : ( - (CurrentEngine->Type.Port.State == LinkStateRetrain) ? "LinkStateRetrain " : ( - (CurrentEngine->Type.Port.State == LinkStateResetExit) ? "LinkStateResetExit " : "Unknown")))))))))))))))))), - CurrentEngine->Type.Port.TimeStamp - ); -} -*/ |