diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/PciePortInit.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/PciePortInit.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/PciePortInit.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/PciePortInit.c new file mode 100755 index 0000000000..695ed6ae34 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/PciePortInit.c @@ -0,0 +1,362 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * PCIe port initialization service procedure + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 49774 $ @e \$Date: 2011-03-29 08:38:56 +0800 (Tue, 29 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 "Gnb.h" +#include "GnbPcie.h" +#include "GnbPcieFamServices.h" +#include "PcieFamilyServices.h" +#include "GnbCommonLib.h" +#include "GnbPcieInitLibV1.h" +#include "GnbPcieConfig.h" +#include "GnbPcieTrainingV1.h" +#include "GnbRegistersLN.h" +#include "PciePortInit.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_PCIE_PCIEPORTINIT_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 + *---------------------------------------------------------------------------------------- + */ + +PCIE_PORT_REGISTER_ENTRY PortInitTable [] = { + { + DxF0xE4_x02_ADDRESS, + DxF0xE4_x02_RegsLcAllowTxL1Control_MASK, + (0x1 << DxF0xE4_x02_RegsLcAllowTxL1Control_OFFSET) + }, + { + DxF0xE4_x70_ADDRESS, + DxF0xE4_x70_RxRcbCplTimeoutMode_MASK, + (0x1 << DxF0xE4_x70_RxRcbCplTimeoutMode_OFFSET) + }, + { + DxF0xE4_xA0_ADDRESS, + DxF0xE4_xA0_Lc16xClearTxPipe_MASK | DxF0xE4_xA0_LcL1ImmediateAck_MASK, + (0x3 << DxF0xE4_xA0_Lc16xClearTxPipe_OFFSET) | + (0x1 << DxF0xE4_xA0_LcL1ImmediateAck_OFFSET) + }, + { + DxF0xE4_xA1_ADDRESS, + DxF0xE4_xA1_LcDontGotoL0sifL1Armed_MASK, + (0x1 << DxF0xE4_xA1_LcDontGotoL0sifL1Armed_OFFSET) + }, + { + DxF0xE4_xA2_ADDRESS, + DxF0xE4_xA2_LcRenegotiateEn_MASK | DxF0xE4_xA2_LcUpconfigureSupport_MASK, + (0x1 << DxF0xE4_xA2_LcRenegotiateEn_OFFSET) | + (0x1 << DxF0xE4_xA2_LcUpconfigureSupport_OFFSET) + }, + { + DxF0xE4_xA3_ADDRESS, + DxF0xE4_xA3_LcXmitFtsBeforeRecovery_MASK, + (0x1 << DxF0xE4_xA3_LcXmitFtsBeforeRecovery_OFFSET) + }, + { + DxF0xE4_xB1_ADDRESS, + DxF0xE4_xB1_LcDeassertRxEnInL0s_MASK | DxF0xE4_xB1_LcBlockElIdleinL0_MASK, + (0x1 << DxF0xE4_xB1_LcDeassertRxEnInL0s_OFFSET) | + (0x1 << DxF0xE4_xB1_LcBlockElIdleinL0_OFFSET) + } +}; + + +/*----------------------------------------------------------------------------------------*/ +/** + * Callback to init various features on all active ports + * + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in, out] Buffer Not used + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +VOID +STATIC +PciePortInitCallback ( + IN PCIe_ENGINE_CONFIG *Engine, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + ASSERT (Engine->EngineData.EngineType == PciePortEngine); + PciePortProgramRegisterTable (PortInitTable, (sizeof (PortInitTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)), Engine, FALSE, Pcie); + PcieSetLinkSpeedCap (PcieGen1, Engine, Pcie); + PcieSetLinkWidthCap (Engine, Pcie); + PcieCompletionTimeout (Engine, Pcie); + PcieLinkSetSlotCap (Engine, Pcie); + PcieLinkInitHotplug (Engine, Pcie); + PcieFmPhyChannelCharacteristic (Engine, Pcie); + if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) { + PcieLinkSafeMode (Engine, Pcie); + } + if (Engine->Type.Port.PortData.PortPresent == PortDisabled) { + ASSERT (!PcieConfigIsSbPcieEngine (Engine)); + PcieTrainingSetPortState (Engine, LinkStateDeviceNotPresent, FALSE, Pcie); + } + // Train port that forced to compliance in last stage of training + if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) { + PcieTrainingSetPortState (Engine, LinkStateTrainingCompleted, FALSE, Pcie); + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Master procedure to init various features on all active ports + * + * + * + * + * @param[in] Pcie Pointer to global PCIe configuration + * @retval AGESA_STATUS + * + */ + +AGESA_STATUS +PciePortInit ( + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS Status; + Status = AGESA_SUCCESS; + // Leave all device in Presence Detect Presence state for distributed training will be completed at PciePortPostEarlyInit + if (Pcie->TrainingAlgorithm == PcieTrainingDistributed) { + Pcie->TrainingExitState = LinkStateResetExit; + } + PcieConfigRunProcForAllEngines ( + DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, + PciePortInitCallback, + NULL, + Pcie + ); + return Status; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Callback to init various features on all ports + * + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in, out] Buffer Not used + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +VOID +STATIC +PciePortPostInitCallback ( + IN PCIe_ENGINE_CONFIG *Engine, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIE_LINK_SPEED_CAP LinkSpeedCapability; + ASSERT (Engine->EngineData.EngineType == PciePortEngine); + if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) { + PcieLinkSafeMode (Engine, Pcie); + } + LinkSpeedCapability = PcieFmGetLinkSpeedCap (PCIE_PORT_GEN_CAP_BOOT, Engine); + PcieSetLinkSpeedCap (LinkSpeedCapability, Engine, Pcie); + // Retrain only present port to Gen2 + if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS) && (LinkSpeedCapability > PcieGen1) && !PcieConfigIsSbPcieEngine (Engine)) { + PcieTrainingSetPortState (Engine, LinkStateRetrain, FALSE, Pcie); + PcieConfigUpdatePortStatus (Engine, 0, INIT_STATUS_PCIE_TRAINING_SUCCESS); + } + // Train ports forced to compliance + if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) { + PcieForceCompliance (Engine, Pcie); + PcieTrainingSetPortState (Engine, LinkStateResetExit, FALSE, Pcie); + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Master procedure to init various features on all active ports + * + * + * + * + * @param[in] Pcie Pointer to global PCIe configuration + * @retval AGESA_STATUS + * + */ + +AGESA_STATUS +PciePortPostInit ( + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS Status; + Status = AGESA_SUCCESS; + PcieConfigRunProcForAllEngines ( + DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, + PciePortPostInitCallback, + NULL, + Pcie + ); + return Status; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Callback to init various features on all ports on S3 resume path + * + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in, out] Buffer Not used + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +VOID +STATIC +PciePortPostS3InitCallback ( + IN PCIe_ENGINE_CONFIG *Engine, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIE_LINK_SPEED_CAP LinkSpeedCapability; + ASSERT (Engine->EngineData.EngineType == PciePortEngine); + LinkSpeedCapability = PcieFmGetLinkSpeedCap (PCIE_PORT_GEN_CAP_BOOT, Engine); + PcieSetLinkSpeedCap (LinkSpeedCapability, Engine, Pcie); + if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) { + PcieLinkSafeMode (Engine, Pcie); + } + if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) { + PcieForceCompliance (Engine, Pcie); + } + if (!PcieConfigIsSbPcieEngine (Engine)) { + if ((PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS) || + ((Engine->Type.Port.PortData.LinkHotplug != HotplugDisabled) && (Engine->Type.Port.PortData.LinkHotplug != HotplugInboard)) || + (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1))) { + PcieTrainingSetPortState (Engine, LinkStateResetExit, FALSE, Pcie); + } else { + PcieTrainingSetPortState (Engine, LinkStateDeviceNotPresent, FALSE, Pcie); + } + PcieConfigUpdatePortStatus (Engine, 0, INIT_STATUS_PCIE_TRAINING_SUCCESS); + } else { + PcieTrainingSetPortState (Engine, LinkStateTrainingSuccess, FALSE, Pcie); + } +} +/*----------------------------------------------------------------------------------------*/ +/** + * Init port on S3 resume during destributed training + * + * + * + * + * @param[in] Pcie Pointer to global PCIe configuration + * @retval AGESA_STATUS + * + */ + +AGESA_STATUS +PciePortPostS3Init ( + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS Status; + Status = AGESA_SUCCESS; + PcieConfigRunProcForAllEngines ( + DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, + PciePortPostS3InitCallback, + NULL, + Pcie + ); + return Status; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Master procedure to init various features on all active ports + * + * + * + * + * @param[in] Pcie Pointer to global PCIe configuration + * @retval AGESA_STATUS + * + */ + +AGESA_STATUS +PciePortPostEarlyInit ( + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS Status; + Status = AGESA_SUCCESS; + // Distributed Training started at PciePortInit complete it now to get access to PCIe devices + if (Pcie->TrainingAlgorithm == PcieTrainingDistributed) { + Pcie->TrainingExitState = LinkStateTrainingCompleted; + } + return Status; +} |