174 lines
6.6 KiB
C
174 lines
6.6 KiB
C
/**
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* @file
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*
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* PCIe link ASPM Black List
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*
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*
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*
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* @xrefitem bom "File Content Label" "Release Content"
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* @e project: AGESA
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* @e sub-project: GNB
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* @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $
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*
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*/
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/*
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*****************************************************************************
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*
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* Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Advanced Micro Devices, Inc. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ***************************************************************************
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*
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*/
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/*----------------------------------------------------------------------------------------
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* M O D U L E S U S E D
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*----------------------------------------------------------------------------------------
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*/
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#include "AGESA.h"
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#include "Gnb.h"
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#include "GnbPcie.h"
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#include "GnbCommonLib.h"
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#include "PcieAspmBlackList.h"
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#include "Filecode.h"
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#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEASPMBLACKLIST_FILECODE
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/*----------------------------------------------------------------------------------------
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* D E F I N I T I O N S A N D M A C R O S
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*----------------------------------------------------------------------------------------
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*/
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/*----------------------------------------------------------------------------------------
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* T Y P E D E F S A N D S T R U C T U R E S
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*----------------------------------------------------------------------------------------
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*/
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/*----------------------------------------------------------------------------------------
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* 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
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*----------------------------------------------------------------------------------------
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*/
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UINT16 AspmBrDeviceTable[] = {
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0x1002, 0x9441, (UINT16) ~(AspmL1 | AspmL0s),
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0x10B5, 0xFFFF, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0402, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0193, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0422, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0292, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x00F9, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0141, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0092, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D0, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D1, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D2, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D3, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D5, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D7, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01D8, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01DC, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01DE, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x01DF, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x016A, (UINT16) ~(AspmL1 | AspmL0s),
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0x10DE, 0x0392, (UINT16) ~(AspmL1 | AspmL0s),
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0x168C, 0xFFFF, (UINT16) ~(AspmL0s),
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0x1B4B, 0x91A3, (UINT16) ~(AspmL0s),
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0x1B4B, 0x9123, (UINT16) ~(AspmL0s),
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0x1969, 0x1083, (UINT16) ~(AspmL0s),
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0x1033, 0x0194, (UINT16) ~(AspmL0s),
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0x1180, 0xE832, (UINT16) ~(AspmL0s),
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0x1180, 0xE823, (UINT16) ~(AspmL0s)
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};
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UINT16 Aspm168cL0sEnabled[] = {
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0x002B,
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0x002C,
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0x002E,
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0x002A,
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0x002D,
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0x0024,
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0x001B,
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0x0030,
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0x0032
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};
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/*----------------------------------------------------------------------------------------*/
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/**
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* Pcie ASPM Black List
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*
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*
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*
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* @param[in] LinkAspm PCie ASPM black list
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* @param[in] StdHeader Standard configuration header
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* @retval AGESA_STATUS
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*/
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AGESA_STATUS
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PcieAspmBlackListFeature (
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IN PCIe_LINK_ASPM *LinkAspm,
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IN AMD_CONFIG_PARAMS *StdHeader
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)
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{
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UINT32 UpstreamDeviceId;
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UINT32 DownstreamDeviceId;
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UINTN i;
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UINT32 DeviceId;
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UINT32 VendorId;
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GnbLibPciRead (LinkAspm->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader);
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GnbLibPciRead (LinkAspm->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader);
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LinkAspm->BlackList = FALSE;
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for (i = 0; i < ARRAY_SIZE(AspmBrDeviceTable); i = i + 3) {
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VendorId = AspmBrDeviceTable[i];
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DeviceId = AspmBrDeviceTable[i + 1];
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if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) {
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if (DeviceId == 0xFFFF || DeviceId == (UpstreamDeviceId >> 16) || DeviceId == (DownstreamDeviceId >> 16)) {
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LinkAspm->UpstreamAspm &= AspmBrDeviceTable[i + 2];
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LinkAspm->DownstreamAspm &= AspmBrDeviceTable[i + 2];
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LinkAspm->BlackList = TRUE;
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}
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}
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}
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if ((UINT16)UpstreamDeviceId == 0x168c) {
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// Atheros (Ignore dev capability enable L1 if requested)
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LinkAspm->UpstreamAspm = LinkAspm->RequestedAspm & AspmL1;
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LinkAspm->DownstreamAspm = LinkAspm->UpstreamAspm;
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GnbLibPciRMW (LinkAspm->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader);
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DeviceId = UpstreamDeviceId >> 16;
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for (i = 0; i < ARRAY_SIZE(Aspm168cL0sEnabled); i++) {
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if (DeviceId == Aspm168cL0sEnabled[i]) {
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LinkAspm->UpstreamAspm = LinkAspm->RequestedAspm & AspmL0sL1;
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LinkAspm->DownstreamAspm = LinkAspm->UpstreamAspm & AspmL1;
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}
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}
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}
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if (UpstreamDeviceId == 0x10831969) {
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GnbLibPciRMW (LinkAspm->UpstreamPort.AddressValue | 0x12F8, AccessS3SaveWidth32, 0xFFF7F7FF, 0, StdHeader);
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}
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return AGESA_SUCCESS;
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}
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