Siyuan Wang | affe85f | 2013-07-25 15:14:15 +0800 | [diff] [blame^] | 1 | /** |
| 2 | * @file |
| 3 | * |
| 4 | * PCIe link ASPM Black List |
| 5 | * |
| 6 | * |
| 7 | * |
| 8 | * @xrefitem bom "File Content Label" "Release Content" |
| 9 | * @e project: AGESA |
| 10 | * @e sub-project: GNB |
| 11 | * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ |
| 12 | * |
| 13 | */ |
| 14 | /* |
| 15 | ***************************************************************************** |
| 16 | * |
| 17 | * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc. |
| 18 | * All rights reserved. |
| 19 | * |
| 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. |
| 30 | * |
| 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. |
| 41 | * *************************************************************************** |
| 42 | * |
| 43 | */ |
| 44 | |
| 45 | /*---------------------------------------------------------------------------------------- |
| 46 | * M O D U L E S U S E D |
| 47 | *---------------------------------------------------------------------------------------- |
| 48 | */ |
| 49 | #include "AGESA.h" |
| 50 | #include "Gnb.h" |
| 51 | #include "GnbPcie.h" |
| 52 | #include "GnbCommonLib.h" |
| 53 | #include "PcieAspmBlackList.h" |
| 54 | #include "Filecode.h" |
| 55 | #define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEASPMBLACKLIST_FILECODE |
| 56 | /*---------------------------------------------------------------------------------------- |
| 57 | * D E F I N I T I O N S A N D M A C R O S |
| 58 | *---------------------------------------------------------------------------------------- |
| 59 | */ |
| 60 | |
| 61 | |
| 62 | /*---------------------------------------------------------------------------------------- |
| 63 | * T Y P E D E F S A N D S T R U C T U R E S |
| 64 | *---------------------------------------------------------------------------------------- |
| 65 | */ |
| 66 | |
| 67 | /*---------------------------------------------------------------------------------------- |
| 68 | * 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 |
| 69 | *---------------------------------------------------------------------------------------- |
| 70 | */ |
| 71 | |
| 72 | |
| 73 | UINT16 AspmBrDeviceTable[] = { |
| 74 | 0x1002, 0x9441, (UINT16) ~(AspmL1 | AspmL0s), |
| 75 | 0x10B5, 0xFFFF, (UINT16) ~(AspmL1 | AspmL0s), |
| 76 | 0x10DE, 0x0402, (UINT16) ~(AspmL1 | AspmL0s), |
| 77 | 0x10DE, 0x0193, (UINT16) ~(AspmL1 | AspmL0s), |
| 78 | 0x10DE, 0x0422, (UINT16) ~(AspmL1 | AspmL0s), |
| 79 | 0x10DE, 0x0292, (UINT16) ~(AspmL1 | AspmL0s), |
| 80 | 0x10DE, 0x00F9, (UINT16) ~(AspmL1 | AspmL0s), |
| 81 | 0x10DE, 0x0141, (UINT16) ~(AspmL1 | AspmL0s), |
| 82 | 0x10DE, 0x0092, (UINT16) ~(AspmL1 | AspmL0s), |
| 83 | 0x10DE, 0x01D0, (UINT16) ~(AspmL1 | AspmL0s), |
| 84 | 0x10DE, 0x01D1, (UINT16) ~(AspmL1 | AspmL0s), |
| 85 | 0x10DE, 0x01D2, (UINT16) ~(AspmL1 | AspmL0s), |
| 86 | 0x10DE, 0x01D3, (UINT16) ~(AspmL1 | AspmL0s), |
| 87 | 0x10DE, 0x01D5, (UINT16) ~(AspmL1 | AspmL0s), |
| 88 | 0x10DE, 0x01D7, (UINT16) ~(AspmL1 | AspmL0s), |
| 89 | 0x10DE, 0x01D8, (UINT16) ~(AspmL1 | AspmL0s), |
| 90 | 0x10DE, 0x01DC, (UINT16) ~(AspmL1 | AspmL0s), |
| 91 | 0x10DE, 0x01DE, (UINT16) ~(AspmL1 | AspmL0s), |
| 92 | 0x10DE, 0x01DF, (UINT16) ~(AspmL1 | AspmL0s), |
| 93 | 0x10DE, 0x016A, (UINT16) ~(AspmL1 | AspmL0s), |
| 94 | 0x10DE, 0x0392, (UINT16) ~(AspmL1 | AspmL0s), |
| 95 | 0x168C, 0xFFFF, (UINT16) ~(AspmL0s), |
| 96 | 0x1B4B, 0x91A3, (UINT16) ~(AspmL0s), |
| 97 | 0x1B4B, 0x9123, (UINT16) ~(AspmL0s), |
| 98 | 0x1969, 0x1083, (UINT16) ~(AspmL0s), |
| 99 | 0x1033, 0x0194, (UINT16) ~(AspmL0s), |
| 100 | 0x1180, 0xE832, (UINT16) ~(AspmL0s), |
| 101 | 0x1180, 0xE823, (UINT16) ~(AspmL0s) |
| 102 | }; |
| 103 | |
| 104 | UINT16 Aspm168cL0sEnabled[] = { |
| 105 | 0x002B, |
| 106 | 0x002C, |
| 107 | 0x002E, |
| 108 | 0x002A, |
| 109 | 0x002D, |
| 110 | 0x0024, |
| 111 | 0x001B, |
| 112 | 0x0030, |
| 113 | 0x0032 |
| 114 | }; |
| 115 | |
| 116 | /*----------------------------------------------------------------------------------------*/ |
| 117 | /** |
| 118 | * Pcie ASPM Black List |
| 119 | * |
| 120 | * |
| 121 | * |
| 122 | * @param[in] LinkAspm PCie ASPM black list |
| 123 | * @param[in] StdHeader Standard configuration header |
| 124 | * @retval AGESA_STATUS |
| 125 | */ |
| 126 | |
| 127 | AGESA_STATUS |
| 128 | PcieAspmBlackListFeature ( |
| 129 | IN PCIe_LINK_ASPM *LinkAspm, |
| 130 | IN AMD_CONFIG_PARAMS *StdHeader |
| 131 | ) |
| 132 | { |
| 133 | UINT32 UpstreamDeviceId; |
| 134 | UINT32 DownstreamDeviceId; |
| 135 | UINTN i; |
| 136 | UINT32 DeviceId; |
| 137 | UINT32 VendorId; |
| 138 | |
| 139 | GnbLibPciRead (LinkAspm->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader); |
| 140 | GnbLibPciRead (LinkAspm->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader); |
| 141 | LinkAspm->BlackList = FALSE; |
| 142 | for (i = 0; i < (sizeof (AspmBrDeviceTable) / sizeof (UINT16)); i = i + 3) { |
| 143 | VendorId = AspmBrDeviceTable[i]; |
| 144 | DeviceId = AspmBrDeviceTable[i + 1]; |
| 145 | if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) { |
| 146 | if (DeviceId == 0xFFFF || DeviceId == (UpstreamDeviceId >> 16) || DeviceId == (DownstreamDeviceId >> 16)) { |
| 147 | LinkAspm->UpstreamAspm &= AspmBrDeviceTable[i + 2]; |
| 148 | LinkAspm->DownstreamAspm &= AspmBrDeviceTable[i + 2]; |
| 149 | LinkAspm->BlackList = TRUE; |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | if ((UINT16)UpstreamDeviceId == 0x168c) { |
| 154 | // Atheros (Ignore dev capability enable L1 if requested) |
| 155 | LinkAspm->UpstreamAspm = LinkAspm->RequestedAspm & AspmL1; |
| 156 | LinkAspm->DownstreamAspm = LinkAspm->UpstreamAspm; |
| 157 | GnbLibPciRMW (LinkAspm->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader); |
| 158 | |
| 159 | DeviceId = UpstreamDeviceId >> 16; |
| 160 | for (i = 0; i < (sizeof (Aspm168cL0sEnabled) / sizeof (UINT16)); i++) { |
| 161 | if (DeviceId == Aspm168cL0sEnabled[i]) { |
| 162 | LinkAspm->UpstreamAspm = LinkAspm->RequestedAspm & AspmL0sL1; |
| 163 | LinkAspm->DownstreamAspm = LinkAspm->UpstreamAspm & AspmL1; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | } |
| 168 | if (UpstreamDeviceId == 0x10831969) { |
| 169 | GnbLibPciRMW (LinkAspm->UpstreamPort.AddressValue | 0x12F8, AccessS3SaveWidth32, 0xFFF7F7FF, 0, StdHeader); |
| 170 | } |
| 171 | |
| 172 | return AGESA_SUCCESS; |
| 173 | } |