| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * PCIe utility. Various supporting functions. |
| * |
| * |
| * |
| * @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. |
| * *************************************************************************** |
| * |
| */ |
| |
| #ifndef _PCIEUTILLIB_H_ |
| #define _PCIEUTILLIB_H_ |
| |
| /// Core lanes |
| typedef enum { |
| AllCoreLanes, ///< All core lanes |
| AllocatedCoreLanes, ///< Allocated core lanes |
| ActiveCoreLanes, ///< Active core lanes |
| HotplugCoreLanes, ///< Hot plug core lanes |
| SbCoreLanes, ///< South bridge core lanes |
| } CORE_LANES; |
| |
| /// DDI lanes |
| typedef enum { |
| DdiAllLanes, ///< All DDI Lanes |
| DdiActiveLanes ///< Active DDI Lanes |
| } DDI_LANES; |
| |
| BOOLEAN |
| PcieUtilSearchArray ( |
| IN UINT8 *Buf1, |
| IN UINTN Buf1Length, |
| IN UINT8 *Buf2, |
| IN UINTN Buf2Length |
| ); |
| |
| VOID |
| PcieUtilGetLinkHwStateHistory ( |
| IN PCIe_ENGINE_CONFIG *Engine, |
| OUT UINT8 *History, |
| IN UINT8 Length, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| |
| BOOLEAN |
| PcieUtilIsLinkReversed ( |
| IN BOOLEAN HwLinkState, |
| IN PCIe_ENGINE_CONFIG *Engine, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| |
| UINT8 |
| PcieUtilGetLinkWidth ( |
| IN PCIe_ENGINE_CONFIG *Engine, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| |
| UINT32 |
| PcieUtilGetEngineLaneBitMap ( |
| IN UINT32 IncludeLaneType, |
| IN UINT32 ExcludeLaneType, |
| IN PCIe_ENGINE_CONFIG *Engine |
| ); |
| |
| UINT32 |
| PcieUtilGetWrapperLaneBitMap ( |
| IN UINT32 IncludeLaneType, |
| IN UINT32 ExcludeLaneType, |
| IN PCIe_WRAPPER_CONFIG *Wrapper |
| ); |
| |
| VOID |
| PciePortProgramRegisterTable ( |
| IN PCIE_PORT_REGISTER_ENTRY *Table, |
| IN UINTN Length, |
| IN PCIe_ENGINE_CONFIG *Engine, |
| IN BOOLEAN S3Save, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| VOID |
| PcieLockRegisters ( |
| IN PCIe_WRAPPER_CONFIG *Wrapper, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| PCIE_LINK_SPEED_CAP |
| PcieUtilGlobalGenCapability ( |
| IN UINT32 Flags, |
| IN PCIe_PLATFORM_CONFIG *Pcie |
| ); |
| |
| #endif |