| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * GNB UNB library |
| * |
| * |
| * |
| * @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 "AGESA.h" |
| #include "Ids.h" |
| #include "amdlib.h" |
| #include "cpuServices.h" |
| #include "Gnb.h" |
| #include "GnbCommonLib.h" |
| #include "GnbFamServices.h" |
| #include "GnbPcieConfig.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_GNB_MODULES_GNBMSOCKETLIB_GNBMSOCKETLIB_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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get Host bridge PCI Address |
| * |
| * |
| * |
| * @param[in] GnbHandle Socket ID |
| * @param[in] StdHeader Standard configuration header |
| * @retval PCI address of GNB for a given socket/silicon. |
| */ |
| |
| PCI_ADDR |
| GnbFmGetPciAddress ( |
| IN GNB_HANDLE *GnbHandle, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| PCI_ADDR GnbPciAddress; |
| UINT8 NodeId; |
| UINT8 Register; |
| UINT32 Value; |
| GnbPciAddress.AddressValue = ILLEGAL_SBDFO; |
| NodeId = GnbGetNodeId (GnbHandle); |
| for (Register = 0xE0; Register <= 0xEC; Register = Register + 4) { |
| GnbLibPciRead (MAKE_SBDFO (0, 0, 24 + NodeId, 1, Register), AccessWidth32, &Value, StdHeader); |
| if (((Value >> 4) & 0x7) == NodeId) { |
| GnbPciAddress.AddressValue = MAKE_SBDFO (0, (Value >> 16) & 0xff, 0, 0, 0); |
| break; |
| } |
| } |
| ASSERT (GnbPciAddress.AddressValue != ILLEGAL_SBDFO); |
| return GnbPciAddress; |
| } |
| |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get bus range decoded by GNB |
| * |
| * Final bus allocation can not be assumed until AmdInitMid |
| * |
| * @param[in] GnbHandle GNB handle |
| * @param[out] StartBusNumber Beggining of the Bus Range |
| * @param[out] EndBusNumber End of the Bus Range |
| * @param[in] StdHeader Standard configuration header |
| * @retval Satus |
| */ |
| AGESA_STATUS |
| GnbFmGetBusDecodeRange ( |
| IN GNB_HANDLE *GnbHandle, |
| OUT UINT8 *StartBusNumber, |
| OUT UINT8 *EndBusNumber, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 NodeId; |
| UINT8 Register; |
| UINT32 Value; |
| AGESA_STATUS Status; |
| Status = AGESA_ERROR; |
| NodeId = GnbGetNodeId (GnbHandle); |
| for (Register = 0xE0; Register <= 0xEC; Register = Register + 4) { |
| GnbLibPciRead (MAKE_SBDFO (0, 0, 24 + NodeId, 1, Register), AccessWidth32, &Value, StdHeader); |
| if (((Value >> 4) & 0x7) == NodeId) { |
| *StartBusNumber = (UINT8) ((Value >> 16) & 0xff); |
| *EndBusNumber = (UINT8) ((Value >> 24) & 0xff); |
| Status = AGESA_SUCCESS; |
| break; |
| } |
| } |
| return Status; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get link to which GNB connected to |
| * |
| * |
| * @param[in] GnbHandle GNB handle |
| * @param[out] LinkId Link to which GNB connected to |
| * @param[in] StdHeader Standard configuration header |
| * @retval Satus |
| */ |
| |
| AGESA_STATUS |
| GnbFmGetLinkId ( |
| IN GNB_HANDLE *GnbHandle, |
| OUT UINT8 *LinkId, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 Value; |
| ASSERT (GnbHandle->NodeId != 0xFF); |
| GnbLibPciRead (MAKE_SBDFO (0, 0, 0x18 + GnbHandle->NodeId, 0, 0x1A0), AccessWidth32, &Value, StdHeader); |
| *LinkId = LibAmdBitScanForward (Value & 0xAAAA) / 2; |
| ASSERT (*LinkId < 8); |
| return AGESA_SUCCESS; |
| } |