src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PcieTopologyServices.h

/* $NoKeywords:$ */
/**
 * @file
 *
 * PCIe topology initialization service procedures.
 *
 *
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:     AGESA
 * @e sub-project: GNB
 * @e \$Revision: 44324 $   @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $
 *
 */
/*
*****************************************************************************
*
* 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.
* ***************************************************************************
*
*/
#ifndef _PCIETOPOLOGYSERVICES_H_
#define _PCIETOPOLOGYSERVICES_H_

/// Lane Control
typedef enum {
  EnableLanes,              ///< Enable Lanes
  DisableLanes              ///< Disable Lanes
} LANE_CONTROL;

VOID
PcieTopologyPrepareForReconfig (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

AGESA_STATUS
PcieTopologySetCoreConfig (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
 );

VOID
PcieTopologyApplyLaneMux (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
 );

VOID
PcieTopologySelectMasterPll (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
 );

VOID
PcieTopologyExecuteReconfig (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieTopologySetLinkReversal (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );


VOID
PcieTopologyReduceLinkWidth (
  IN      UINT8                 LinkWidth,
  IN      PCIe_ENGINE_CONFIG    *Engine,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieTopologyLaneControl (
  IN      LANE_CONTROL          Control,
  IN      UINT32                LaneBitMap,
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieTopologyInitSrbmReset (
  IN      BOOLEAN               SrbmResetEnable,
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieSetDdiOwnPhy (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieWrapSetTxS1CtrlForLaneMux (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

VOID
PcieWrapSetTxOffCtrlForLaneMux (
  IN      PCIe_WRAPPER_CONFIG   *Wrapper,
  IN      PCIe_PLATFORM_CONFIG  *Pcie
  );

#endif