| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * PCIe post initialization. |
| * |
| * |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: GNB |
| * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "amdlib.h" |
| #include "Ids.h" |
| #include "Gnb.h" |
| #include "GnbPcie.h" |
| #include "GnbPcieFamServices.h" |
| #include "GnbPcieConfig.h" |
| #include "GnbPcieTrainingV2.h" |
| #include "GnbPcieInitLibV1.h" |
| #include "GnbPcieInitLibV4.h" |
| #include "GnbPcieInitLibV5.h" |
| #include "PcieLibKB.h" |
| #include "GnbRegistersKB.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_GNB_MODULES_GNBINITKB_PCIEPOSTINITKB_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 |
| PciePostEarlyInterfaceKB ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| AGESA_STATUS |
| PciePostInterfaceKB ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| VOID |
| PcieLateRestoreInitKBS3Script ( |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN UINT16 ContextLength, |
| IN VOID* Context |
| ); |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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 |
| PciePostPortInitCallbackKB ( |
| 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); |
| PcieSetLinkSpeedCapV4 (LinkSpeedCapability, Engine, Pcie); |
| 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); |
| } |
| if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) { |
| PcieForceCompliance (Engine, Pcie); |
| PcieTrainingSetPortState (Engine, LinkStateResetExit, FALSE, Pcie); |
| } |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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 |
| PciePostS3PortInitCallbackKB ( |
| IN PCIe_ENGINE_CONFIG *Engine, |
| IN OUT VOID *Buffer, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| PCIE_LINK_SPEED_CAP LinkSpeedCapability; |
| PCIE_LINK_TRAINING_STATE State; |
| |
| ASSERT (Engine->EngineData.EngineType == PciePortEngine); |
| |
| LinkSpeedCapability = PcieFmGetLinkSpeedCap (PCIE_PORT_GEN_CAP_BOOT, Engine); |
| PcieSetLinkSpeedCapV4 (LinkSpeedCapability, Engine, Pcie); |
| |
| if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) { |
| PcieLinkSafeMode (Engine, Pcie); |
| } |
| |
| if (!PcieConfigIsSbPcieEngine (Engine)) { |
| // |
| // General Port |
| // |
| State = LinkStateDeviceNotPresent; |
| if (Engine->Type.Port.PortData.LinkHotplug == HotplugDisabled || Engine->Type.Port.PortData.LinkHotplug == HotplugInboard) { |
| // |
| // Non hotplug device: we only check status from previous boot |
| // |
| if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS)) { |
| State = LinkStateResetExit; |
| } |
| } else { |
| UINT32 PcieScratch; |
| // |
| // Get endpoint staus from scratch |
| // |
| PcieScratch = PciePortRegisterRead (Engine, 0x1, Pcie); |
| // |
| // Hotplug device: we check ep status if reported |
| // |
| if ((PcieScratch & 0x1) == 0) { |
| State = LinkStateResetExit; |
| } |
| } |
| // |
| // For compliance we always leave link in enabled state |
| // |
| if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode) { |
| State = LinkStateResetExit; |
| } |
| PcieConfigUpdatePortStatus (Engine, 0, INIT_STATUS_PCIE_TRAINING_SUCCESS); |
| } else { |
| // |
| // SB port |
| // |
| State = LinkStateTrainingSuccess; |
| } |
| PcieTrainingSetPortState (Engine, State, 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 |
| STATIC |
| PciePostEarlyPortInitKB ( |
| 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; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Master procedure to init various features on all active ports |
| * |
| * |
| * |
| * |
| * @param[in] Pcie Pointer to global PCIe configuration |
| * @retval AGESA_STATUS |
| * |
| */ |
| |
| AGESA_STATUS |
| STATIC |
| PciePostPortInitKB ( |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| AGESA_STATUS Status; |
| Status = AGESA_SUCCESS; |
| PcieConfigRunProcForAllEngines ( |
| DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, |
| PciePostPortInitCallbackKB, |
| 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 |
| STATIC |
| PciePostS3PortInitKB ( |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| AGESA_STATUS Status; |
| Status = AGESA_SUCCESS; |
| PcieConfigRunProcForAllEngines ( |
| DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, |
| PciePostS3PortInitCallbackKB, |
| NULL, |
| Pcie |
| ); |
| return Status; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Pcie Init |
| * |
| * |
| * |
| * @param[in] Pcie Pointer to global PCIe configuration |
| * @retval AGESA_SUCCESS Topology successfully mapped |
| * @retval AGESA_ERROR Topology can not be mapped |
| */ |
| |
| AGESA_STATUS |
| STATIC |
| PciePostInitKB ( |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| PCIE_LINK_SPEED_CAP GlobalSpeedCap; |
| |
| GlobalSpeedCap = PcieUtilGlobalGenCapability ( |
| PCIE_PORT_GEN_CAP_BOOT | PCIE_GLOBAL_GEN_CAP_TRAINED_PORTS | PCIE_GLOBAL_GEN_CAP_HOTPLUG_PORTS, |
| Pcie |
| ); |
| |
| |
| PcieSetVoltageKB (GlobalSpeedCap, Pcie); |
| return AGESA_SUCCESS; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * PCIe Post Init |
| * |
| * |
| * |
| * @param[in] StdHeader Standard configuration header |
| * @retval AGESA_STATUS |
| */ |
| AGESA_STATUS |
| PciePostEarlyInterfaceKB ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| AGESA_STATUS Status; |
| PCIe_PLATFORM_CONFIG *Pcie; |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostEarlyInterfaceKB Enter\n"); |
| AgesaStatus = AGESA_SUCCESS; |
| Status = PcieLocateConfigurationData (StdHeader, &Pcie); |
| IDS_OPTION_HOOK (IDS_BEFORE_GPP_TRAINING, Pcie, StdHeader); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| if (Status == AGESA_SUCCESS) { |
| PciePortsVisibilityControlV5 (UnhidePorts, Pcie); |
| |
| Status = PciePostEarlyPortInitKB (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| Status = PcieTraining (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| PciePortsVisibilityControlV5 (HidePorts, Pcie); |
| } |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostEarlyInterfaceKB Exit [0x%x]\n", AgesaStatus); |
| return AgesaStatus; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * PCIe Post Init |
| * |
| * |
| * |
| * @param[in] StdHeader Standard configuration header |
| * @retval AGESA_STATUS |
| */ |
| AGESA_STATUS |
| PciePostInterfaceKB ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| AGESA_STATUS Status; |
| PCIe_PLATFORM_CONFIG *Pcie; |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostInterfaceKB Enter\n"); |
| AgesaStatus = AGESA_SUCCESS; |
| Status = PcieLocateConfigurationData (StdHeader, &Pcie); |
| IDS_OPTION_HOOK (IDS_BEFORE_GEN2_INIT, Pcie, StdHeader); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| if (Status == AGESA_SUCCESS) { |
| PciePortsVisibilityControlV5 (UnhidePorts, Pcie); |
| |
| Status = PciePostInitKB (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| Status = PciePostPortInitKB (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| Status = PcieTraining (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| PciePortsVisibilityControlV5 (HidePorts, Pcie); |
| } |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostInterfaceKB Exit [0x%x]\n", AgesaStatus); |
| return AgesaStatus; |
| } |
| |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * PCIe Post Init |
| * |
| * |
| * |
| * @param[in] StdHeader Standard configuration header |
| * @retval AGESA_STATUS |
| */ |
| STATIC AGESA_STATUS |
| PciePostS3InterfaceKB ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| AGESA_STATUS Status; |
| PCIe_PLATFORM_CONFIG *Pcie; |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostS3InterfaceKB Enter\n"); |
| AgesaStatus = AGESA_SUCCESS; |
| Status = PcieLocateConfigurationData (StdHeader, &Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| if (Status == AGESA_SUCCESS) { |
| PciePortsVisibilityControlV5 (UnhidePorts, Pcie); |
| |
| Status = PciePostInitKB (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| if (Pcie->TrainingAlgorithm == PcieTrainingDistributed) { |
| Status = PciePostS3PortInitKB (Pcie); |
| } else { |
| Status = PciePostPortInitKB (Pcie); |
| } |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| Status = PcieTraining (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| PciePortsVisibilityControlV5 (HidePorts, Pcie); |
| } |
| IDS_HDT_CONSOLE (GNB_TRACE, "PciePostS3InterfaceKB Exit [0x%x]\n", AgesaStatus); |
| return AgesaStatus; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * PCIe S3 restore |
| * |
| * |
| * |
| * @param[in] StdHeader Standard configuration header |
| * @param[in] ContextLength Context Length (not used) |
| * @param[in] Context Context pointer (not used) |
| */ |
| VOID |
| PcieLateRestoreInitKBS3Script ( |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN UINT16 ContextLength, |
| IN VOID* Context |
| ) |
| { |
| PciePostS3InterfaceKB (StdHeader); |
| } |