/** * @file * * PCIe link ASPM Black List * * * * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. * * AMD is granting you permission to use this software (the Materials) * pursuant to the terms and conditions of your Software License Agreement * with AMD. This header does *NOT* give you permission to use the Materials * or any rights under AMD's intellectual property. Your use of any portion * of these Materials shall constitute your acceptance of those terms and * conditions. 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Use of the Materials by the * Government constitutes acknowledgement of AMD's proprietary rights in them. * * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any * direct product thereof will be exported directly or indirectly, into any * country prohibited by the United States Export Administration Act and the * regulations thereunder, without the required authorization from the U.S. * government nor will be used for any purpose prohibited by the same. * *************************************************************************** * */ /*---------------------------------------------------------------------------------------- * M O D U L E S U S E D *---------------------------------------------------------------------------------------- */ #include "AGESA.h" #include "Gnb.h" #include "GnbPcie.h" #include "GnbCommonLib.h" #include "PcieAspmBlackList.h" #include "Filecode.h" #define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEASPMBLACKLIST_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 *---------------------------------------------------------------------------------------- */ UINT16 AspmBrDeviceTable[] = { 0x1002, 0x9441, (UINT16) ~(AspmL1 | AspmL0s), 0x10B5, 0xFFFF, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0402, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0193, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0422, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0292, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x00F9, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0141, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0092, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D0, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D1, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D2, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D3, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D5, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D7, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01D8, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01DC, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01DE, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x01DF, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x016A, (UINT16) ~(AspmL1 | AspmL0s), 0x10DE, 0x0392, (UINT16) ~(AspmL1 | AspmL0s), 0x168C, 0xFFFF, (UINT16) ~(AspmL0s), 0x1B4B, 0x91A3, (UINT16) ~(AspmL0s), 0x1B4B, 0x9123, (UINT16) ~(AspmL0s), 0x1969, 0x1083, (UINT16) ~(AspmL0s) }; /*----------------------------------------------------------------------------------------*/ /** * Pcie ASPM Black List * * * * @param[in] LinkAsmp PCie ASPM black list * @param[in] StdHeader Standard configuration header * @retval AGESA_STATUS */ AGESA_STATUS PcieAspmBlackListFeature ( IN PCIe_LINK_ASPM *LinkAsmp, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 UpstreamDeviceId; UINT32 DownstreamDeviceId; UINTN i; UINT32 DeviceId; UINT32 VendorId; GnbLibPciRead (LinkAsmp->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader); GnbLibPciRead (LinkAsmp->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader); for (i = 0; i < (sizeof (AspmBrDeviceTable) / sizeof (UINT16)); i = i + 3) { VendorId = AspmBrDeviceTable[i]; DeviceId = AspmBrDeviceTable[i + 1]; if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) { if (DeviceId == 0xFFFF || DeviceId == (UpstreamDeviceId >> 16) || DeviceId == (DownstreamDeviceId >> 16)) { LinkAsmp->UpstreamAspm &= AspmBrDeviceTable[i + 2]; LinkAsmp->DownstreamAspm &= AspmBrDeviceTable[i + 2]; } } } if ((UINT16)UpstreamDeviceId == 0x168c) { LinkAsmp->UpstreamAspm = LinkAsmp->RequestedAspm & AspmL1; LinkAsmp->DownstreamAspm = LinkAsmp->UpstreamAspm; GnbLibPciRMW (LinkAsmp->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader); DeviceId = UpstreamDeviceId >> 16; if ((DeviceId == 0x002C) || (DeviceId == 0x002B) || (DeviceId == 0x002E)) { LinkAsmp->UpstreamAspm = LinkAsmp->RequestedAspm & AspmL0sL1; LinkAsmp->DownstreamAspm = LinkAsmp->UpstreamAspm & AspmL1; } } if (UpstreamDeviceId == 0x10831969) { GnbLibPciRMW (LinkAsmp->UpstreamPort.AddressValue | 0x12F8, AccessS3SaveWidth32, 0xFFF7F7FF, 0, StdHeader); } return AGESA_SUCCESS; }