/* $NoKeywords:$ */
/**
 * @file
 *
 * Interface to initialize Graphics Controller at mid POST
 *
 *
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:     AGESA
 * @e sub-project: GNB
 * @e \$Revision: 40151 $   @e \$Date: 2010-10-20 06:38:17 +0800 (Wed, 20 Oct 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.
 *
 * ***************************************************************************
 *
 */

/*----------------------------------------------------------------------------------------
 *                             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  "GnbGfx.h"
#include  GNB_MODULE_DEFINITIONS (GnbGfxConfig)
#include  "GfxConfigData.h"
#include  "GfxStrapsInit.h"
#include  "GfxGmcInit.h"
#include  "GfxInitAtMidPost.h"
#include  "GnbGfxFamServices.h"
#include  "Filecode.h"
#define FILECODE PROC_GNB_GFX_GFXINITATMIDPOST_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
 *----------------------------------------------------------------------------------------
 */


/*----------------------------------------------------------------------------------------*/
/**
 * Init GFX at Mid Post.
 *
 *
 *
 * @param[in] StdHeader       Standard configuration header
 * @retval    AGESA_STATUS
 */

AGESA_STATUS
GfxInitAtMidPost (
  IN      AMD_CONFIG_PARAMS               *StdHeader
  )
{
  AGESA_STATUS          Status;
  AGESA_STATUS          AgesaStatus;
  GFX_PLATFORM_CONFIG   *Gfx;
  IDS_HDT_CONSOLE (GNB_TRACE, "GfxInitAtMidPost Enter\n");
  AgesaStatus = AGESA_SUCCESS;
  Status =  GfxLocateConfigData (StdHeader, &Gfx);
  AGESA_STATUS_UPDATE (Status, AgesaStatus);
  if (Status == AGESA_FATAL) {
    GfxDisableController (StdHeader);
  } else {
    if (Gfx->UmaInfo.UmaMode != UMA_NONE) {
      Status = GfxEnableGmmAccess (Gfx);
      ASSERT (Status == AGESA_SUCCESS);
      AGESA_STATUS_UPDATE (Status, AgesaStatus);
      if (Status != AGESA_SUCCESS) {
        // Can not initialize GMM registers going to disable GFX controller
        IDS_HDT_CONSOLE (GNB_TRACE, "  Fail to establish GMM access\n");
        Gfx->UmaInfo.UmaMode = UMA_NONE;
        GfxDisableController (StdHeader);
      } else {
        Status = GfxGmcInit (Gfx);
        AGESA_STATUS_UPDATE (Status, AgesaStatus);

        Status = GfxSetBootUpVoltage (Gfx);
        AGESA_STATUS_UPDATE (Status, AgesaStatus);

        Status = GfxInitSsid (Gfx);
        AGESA_STATUS_UPDATE (Status, AgesaStatus);
      }
    }
    GfxFmSetIdleVoltageMode (Gfx);
  }
  IDS_HDT_CONSOLE (GNB_TRACE, "GfxInitAtMidPost Exit [0x%x]\n", AgesaStatus);
  return  AgesaStatus;
}