src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbCommonLib/GnbLibPciAcc.c

/* $NoKeywords:$ */
/**
 * @file
 *
 * Service procedure to access PCI config space registers
 *
 *
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:     AGESA
 * @e sub-project: GNB
 * @e \$Revision: 34897 $   @e \$Date: 2010-07-13 19:07:10 -0700 (Tue, 13 Jul 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  "Porting.h"
#include  "AMD.h"
#include  "amdlib.h"
#include  "GnbLibPciAcc.h"
#include  "S3SaveState.h"
#include  "Filecode.h"
#define FILECODE PROC_GNB_MODULES_GNBCOMMONLIB_GNBLIBPCIACC_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
 *----------------------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------------------*/
/**
 * Write PCI registers
 *
 *
 *
 * @param[in] Address         PCI address (as presented in PCI_ADDR.AddressValue)
 * @param[in] Width           Access width
 * @param[in] Value           Pointer to value
 * @param[in] StdHeader       Pointer to standard header
 */
VOID
GnbLibPciWrite (
  IN      UINT32              Address,
  IN      ACCESS_WIDTH        Width,
  IN      VOID                *Value,
  IN      AMD_CONFIG_PARAMS   *StdHeader
  )
{
  PCI_ADDR  PciAddress;
  PciAddress.AddressValue = Address;
  if (Width >= AccessS3SaveWidth8) {
    S3_SAVE_PCI_WRITE (StdHeader, PciAddress, Width, Value);
  }
  LibAmdPciWrite (Width, PciAddress, Value, StdHeader);
}

/*----------------------------------------------------------------------------------------*/
/**
 * Read PCI registers
 *
 *
 *
 * @param[in]   Address         PCI address (as presented in PCI_ADDR.AddressValue)
 * @param[in]   Width           Access width
 * @param[out]  Value           Pointer to value
 * @param[in]   StdHeader       Pointer to standard header
 */

VOID
GnbLibPciRead (
  IN       UINT32             Address,
  IN       ACCESS_WIDTH       Width,
     OUT   VOID               *Value,
  IN       AMD_CONFIG_PARAMS  *StdHeader
  )
{
  PCI_ADDR  PciAddress;
  PciAddress.AddressValue = Address;
  LibAmdPciRead (Width, PciAddress, Value, StdHeader);
}



/*----------------------------------------------------------------------------------------*/
/**
 * Poll PCI reg
 *
 *
 *
 * @param[in] Address       PCI address (as presented in PCI_ADDR.AddressValue)
 * @param[in] Width         Access width
 * @param[in] Data          Data to compare
 * @param[in] DataMask      AND mask
 * @param[in] StdHeader     Standard configuration header
 */

VOID
GnbLibPciPoll (
  IN      UINT32             Address,
  IN      ACCESS_WIDTH       Width,
  IN      VOID               *Data,
  IN      VOID               *DataMask,
  IN      AMD_CONFIG_PARAMS  *StdHeader
  )
{
  PCI_ADDR  PciAddress;
  PciAddress.AddressValue = Address;
  if (Width >= AccessS3SaveWidth8) {
    S3_SAVE_PCI_POLL (StdHeader, PciAddress, Width, Data, DataMask, 0xffffffff);
  }
  LibAmdPciPoll (Width, PciAddress, Data, DataMask, 0xffffffff, StdHeader);
}