| /* $NoKeywords:$ */ |
| /** |
| * @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: 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. |
| * *************************************************************************** |
| * |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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); |
| } |