/** * @file * * ALIB PSPP Pcie Smu Lib V1 * * * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: GNB * @e \$Revision: 49911 $ @e \$Date: 2011-03-30 02:43:29 -0700 (Wed, 30 Mar 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. * *************************************************************************** * */ /*----------------------------------------------------------------------------------------*/ /** * Get current link speed * * Arg0 - Port Index * */ Method (procPciePortGetCurrentLinkSpeed, 1, NotSerialized) { Store (procPciePortIndirectRegisterRead (Arg0, 0xA4), varLcLinkCtrlLocal1) ShiftRight (varLcLinkCtrlLocal1, 11, varCurrenLinkSpeedLocal2) And (varCurrenLinkSpeedLocal2, 0x1, varCurrenLinkSpeedLocal2) Increment (varCurrenLinkSpeedLocal2) return (varCurrenLinkSpeedLocal2) }