/* $NoKeywords:$ */
/**
 * @file
 *
 * Config Fch Gpp controller
 *
 * Init Gpp Controller features.
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:     AGESA
 * @e sub-project: FCH
 * @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.
****************************************************************************
*/
#include "FchPlatform.h"
#include "Ids.h"
#include "Filecode.h"
#define FILECODE PROC_FCH_PCIE_GPPENV_FILECODE

VOID
FchInitEnvGppPhaseII (
  IN  VOID     *FchDataPtr
  );

/**
 * FchInitEnvGpp - Config Gpp controller before PCI emulation
 *
 *
 * @param[in] FchDataPtr Fch configuration structure pointer.
 *
 */
VOID
FchInitEnvGpp (
  IN  VOID     *FchDataPtr
  )
{
  FCH_DATA_BLOCK         *LocalCfgPtr;
  AMD_CONFIG_PARAMS      *StdHeader;
  UINT8                  GppS3Data;
  UINT8                  PortId;

  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
  StdHeader = LocalCfgPtr->StdHeader;

  /*
   *  The romstage will force link, but re-read the GPP params from CMOS,
   *  otherwise the late init will powerdown all ports including
   *  those which were just taken out of S3
   */
  if (ReadFchSleepType (StdHeader) == ACPI_SLPTYP_S3) {
    ReadMem ( ACPI_MMIO_BASE + CMOS_RAM_BASE + 0x0D, AccessWidth8, &GppS3Data);
    for ( PortId = 0; PortId < MAX_GPP_PORTS; PortId++ ) {
      if ( GppS3Data & (1 << (PortId + 4))) {
        LocalCfgPtr->Gpp.PortCfg[PortId].PortDetected = TRUE;
      }
    }
  }

  if ( !LocalCfgPtr->Gpp.NewGppAlgorithm) {
    ProgramFchGppInitReset (&LocalCfgPtr->Gpp, StdHeader);
    FchStall (5000, StdHeader);
  }
  FchGppPortInit (&LocalCfgPtr->Gpp, StdHeader);
}

/**
 * FchInitEnvGppPhaseII - Config Gpp controller before PCI emulation (For New Algorithm)
 *
 *
 * @param[in] FchDataPtr Fch configuration structure pointer.
 *
 */
VOID
FchInitEnvGppPhaseII (
  IN  VOID     *FchDataPtr
  )
{
  FCH_DATA_BLOCK         *LocalCfgPtr;
  AMD_CONFIG_PARAMS      *StdHeader;

  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
  StdHeader = LocalCfgPtr->StdHeader;

  if ( LocalCfgPtr->Gpp.NewGppAlgorithm == TRUE ) {
    FchGppPortInitPhaseII (&LocalCfgPtr->Gpp, StdHeader);
  }
}