4 * PCIe link ASPM Black List
8 * @xrefitem bom "File Content Label" "Release Content"
11 * @e \$Revision: 33827 $ @e \$Date: 2010-06-24 22:11:37 +0800 (Thu, 24 Jun 2010) $
15 *****************************************************************************
17 * Copyright (c) 2011, Advanced Micro Devices, Inc.
18 * All rights reserved.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are met:
22 * * Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * * Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
28 * its contributors may be used to endorse or promote products derived
29 * from this software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
32 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
33 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
34 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
35 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
38 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 * ***************************************************************************
46 /*----------------------------------------------------------------------------------------
47 * M O D U L E S U S E D
48 *----------------------------------------------------------------------------------------
53 #include GNB_MODULE_DEFINITIONS (GnbCommonLib)
54 #include "PcieAspmBlackList.h"
56 #define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEASPMBLACKLIST_FILECODE
57 /*----------------------------------------------------------------------------------------
58 * D E F I N I T I O N S A N D M A C R O S
59 *----------------------------------------------------------------------------------------
63 /*----------------------------------------------------------------------------------------
64 * T Y P E D E F S A N D S T R U C T U R E S
65 *----------------------------------------------------------------------------------------
68 /*----------------------------------------------------------------------------------------
69 * 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
70 *----------------------------------------------------------------------------------------
74 UINT16 AspmBrDeviceTable[] = {
75 0x1002, 0x9441, (UINT16) ~(AspmL1 | AspmL0s),
76 0x10B5, 0xFFFF, (UINT16) ~(AspmL1 | AspmL0s),
77 0x10DE, 0x0402, (UINT16) ~(AspmL1 | AspmL0s),
78 0x10DE, 0x0193, (UINT16) ~(AspmL1 | AspmL0s),
79 0x10DE, 0x0422, (UINT16) ~(AspmL1 | AspmL0s),
80 0x10DE, 0x0292, (UINT16) ~(AspmL1 | AspmL0s),
81 0x10DE, 0x00F9, (UINT16) ~(AspmL1 | AspmL0s),
82 0x10DE, 0x0141, (UINT16) ~(AspmL1 | AspmL0s),
83 0x10DE, 0x0092, (UINT16) ~(AspmL1 | AspmL0s),
84 0x10DE, 0x01D0, (UINT16) ~(AspmL1 | AspmL0s),
85 0x10DE, 0x01D1, (UINT16) ~(AspmL1 | AspmL0s),
86 0x10DE, 0x01D2, (UINT16) ~(AspmL1 | AspmL0s),
87 0x10DE, 0x01D3, (UINT16) ~(AspmL1 | AspmL0s),
88 0x10DE, 0x01D5, (UINT16) ~(AspmL1 | AspmL0s),
89 0x10DE, 0x01D7, (UINT16) ~(AspmL1 | AspmL0s),
90 0x10DE, 0x01D8, (UINT16) ~(AspmL1 | AspmL0s),
91 0x10DE, 0x01DC, (UINT16) ~(AspmL1 | AspmL0s),
92 0x10DE, 0x01DE, (UINT16) ~(AspmL1 | AspmL0s),
93 0x10DE, 0x01DF, (UINT16) ~(AspmL1 | AspmL0s),
94 0x10DE, 0x016A, (UINT16) ~(AspmL1 | AspmL0s),
95 0x10DE, 0x0392, (UINT16) ~(AspmL1 | AspmL0s),
96 0x168C, 0xFFFF, (UINT16) ~(AspmL0s),
97 0x1B4B, 0x91A3, (UINT16) ~(AspmL0s)
100 /*----------------------------------------------------------------------------------------*/
102 * Pcie ASPM Black List
106 * @param[in] LinkAsmp PCie ASPM black list
107 * @param[in] StdHeader Standard configuration header
108 * @retval AGESA_STATUS
112 PcieAspmBlackListFeature (
113 IN PCIe_LINK_ASPM *LinkAsmp,
114 IN AMD_CONFIG_PARAMS *StdHeader
117 UINT32 UpstreamDeviceId;
118 UINT32 DownstreamDeviceId;
120 GnbLibPciRead (LinkAsmp->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader);
121 GnbLibPciRead (LinkAsmp->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader);
122 for (i = 0; i < (sizeof (AspmBrDeviceTable) / sizeof (UINT16)); i = i + 3) {
125 VendorId = AspmBrDeviceTable[i];
126 DeviceId = AspmBrDeviceTable[i + 1];
127 if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) {
128 if (DeviceId == 0xFFFF || DeviceId == (UpstreamDeviceId >> 16) || DeviceId == (DownstreamDeviceId >> 16)) {
129 LinkAsmp->UpstreamAspm &= AspmBrDeviceTable[i + 2];
130 LinkAsmp->DownstreamAspm &= AspmBrDeviceTable[i + 2];
134 if ((UINT16)UpstreamDeviceId == 0x168c) {
135 // Atheros (Ignore dev capability enable L1 if requested)
136 LinkAsmp->UpstreamAspm = LinkAsmp->RequestedAspm & AspmL1;
137 LinkAsmp->DownstreamAspm = LinkAsmp->UpstreamAspm;
138 GnbLibPciRMW (LinkAsmp->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader);
140 return AGESA_SUCCESS;