| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * PCIe late post initialization. |
| * |
| * |
| * |
| * @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 (c) 2008 - 2012, 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 "GnbPcieConfig.h" |
| #include "GnbPcieInitLibV1.h" |
| #include "GnbPcieInitLibV4.h" |
| #include "GnbFamServices.h" |
| #include "PcieLibTN.h" |
| #include "PciePowerGateTN.h" |
| #include "PciePortServicesV4.h" |
| #include "PcieMaxPayloadV4.h" |
| #include "OptionGnb.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_GNB_MODULES_GNBINITTN_PCIEMIDINITTN_FILECODE |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| extern GNB_BUILD_OPTIONS GnbBuildOptions; |
| extern CONST PCIE_PORT_REGISTER_TABLE_HEADER ROMDATA PortInitMidTableTN; |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| PcieMidInterfaceTN ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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 |
| PcieMidPortInitCallbackTN ( |
| IN PCIe_ENGINE_CONFIG *Engine, |
| IN OUT VOID *Buffer, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| PciePortProgramRegisterTable (PortInitMidTableTN.Table, PortInitMidTableTN.Length, Engine, TRUE, Pcie); |
| if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS) || Engine->Type.Port.PortData.LinkHotplug != HotplugDisabled) { |
| PcieEnableSlotPowerLimit (Engine, Pcie); |
| if (GnbFmCheckIommuPresent ((GNB_HANDLE*) PcieConfigGetParentSilicon (Engine), GnbLibGetHeader (Pcie))) { |
| PcieInitPortForIommuV4 (Engine, Pcie); |
| } |
| } |
| PcieEnableAspm (Engine, Pcie); |
| if (GnbBuildOptions.CfgMaxPayloadEnable) { |
| PcieSetMaxPayload (Engine->Type.Port.Address, GnbLibGetHeader (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 |
| PcieMidPortInitTN ( |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| AGESA_STATUS Status; |
| PCIE_LINK_SPEED_CAP GlobalSpeedCap; |
| |
| Status = AGESA_SUCCESS; |
| PcieConfigRunProcForAllEngines ( |
| DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE, |
| PcieMidPortInitCallbackTN, |
| NULL, |
| Pcie |
| ); |
| |
| GlobalSpeedCap = PcieUtilGlobalGenCapability ( |
| PCIE_PORT_GEN_CAP_BOOT | PCIE_GLOBAL_GEN_CAP_TRAINED_PORTS | PCIE_GLOBAL_GEN_CAP_HOTPLUG_PORTS, |
| Pcie |
| ); |
| |
| |
| PcieSetVoltageTN (GlobalSpeedCap, Pcie); |
| |
| return Status; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Per wrapper Pcie Late Init. |
| * |
| * |
| * @param[in] Wrapper Pointer to wrapper configuration descriptor |
| * @param[in] Buffer Pointer buffer |
| * @param[in] Pcie Pointer to global PCIe configuration |
| */ |
| AGESA_STATUS |
| STATIC |
| PcieMidInitCallbackTN ( |
| IN PCIe_WRAPPER_CONFIG *Wrapper, |
| IN OUT VOID *Buffer, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| PciePwrPowerDownUnusedLanes (Wrapper, Pcie); |
| PciePowerDownPllInL1TN (Wrapper, Pcie); |
| PciePwrClockGatingV4 (Wrapper, Pcie); |
| PcieLockRegisters (Wrapper, Pcie); |
| return AGESA_SUCCESS; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Pcie Late Init |
| * |
| * Late PCIe initialization |
| * |
| * @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 |
| PcieMidInitTN ( |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| AGESA_STATUS Status; |
| IDS_HDT_CONSOLE (GNB_TRACE, "PcieMidInitTN Enter\n"); |
| AgesaStatus = AGESA_SUCCESS; |
| |
| Status = PcieConfigRunProcForAllWrappers (DESCRIPTOR_ALL_WRAPPERS, PcieMidInitCallbackTN, NULL, Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| |
| Status = PciePowerGateTN (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| |
| IDS_HDT_CONSOLE (GNB_TRACE, "PcieMidInitTN Exit [0x%x]\n", AgesaStatus); |
| return AgesaStatus; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * PCIe Mid Init |
| * |
| * |
| * |
| * @param[in] StdHeader Standard configuration header |
| * @retval AGESA_STATUS |
| */ |
| AGESA_STATUS |
| PcieMidInterfaceTN ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| AGESA_STATUS Status; |
| PCIe_PLATFORM_CONFIG *Pcie; |
| IDS_HDT_CONSOLE (GNB_TRACE, "PcieMidInterfaceTN Enter\n"); |
| AgesaStatus = AGESA_SUCCESS; |
| Status = PcieLocateConfigurationData (StdHeader, &Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| if (Status == AGESA_SUCCESS) { |
| PciePortsVisibilityControlTN (UnhidePorts, Pcie); |
| |
| Status = PcieMidPortInitTN (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| Status = PcieMidInitTN (Pcie); |
| AGESA_STATUS_UPDATE (Status, AgesaStatus); |
| ASSERT (Status == AGESA_SUCCESS); |
| |
| PciePortsVisibilityControlTN (HidePorts, Pcie); |
| } |
| IDS_HDT_CONSOLE (GNB_TRACE, "PcieMidInterfaceTN Exit [0x%x]\n", AgesaStatus); |
| return AgesaStatus; |
| } |