| /** |
| * @file |
| * |
| * PCIe link ASPM Black List |
| * |
| * |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: GNB |
| * @e \$Revision: 48452 $ @e \$Date: 2011-03-09 12:50:44 +0800 (Wed, 09 Mar 2011) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2011, 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 "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) |
| }; |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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; |
| 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) { |
| UINT32 DeviceId; |
| UINT32 VendorId; |
| 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) { |
| // Atheros (Ignore dev capability enable L1 if requested) |
| LinkAsmp->UpstreamAspm = LinkAsmp->RequestedAspm & AspmL1; |
| LinkAsmp->DownstreamAspm = LinkAsmp->UpstreamAspm; |
| GnbLibPciRMW (LinkAsmp->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader); |
| } |
| return AGESA_SUCCESS; |
| } |