zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * PCIe utility. Various supporting functions. |
| 6 | * |
| 7 | * |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: GNB |
| 12 | * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| 13 | * |
| 14 | */ |
| 15 | /* |
| 16 | ***************************************************************************** |
| 17 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 18 | * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. |
| 19 | * All rights reserved. |
| 20 | * |
| 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions are met: |
| 23 | * * Redistributions of source code must retain the above copyright |
| 24 | * notice, this list of conditions and the following disclaimer. |
| 25 | * * Redistributions in binary form must reproduce the above copyright |
| 26 | * notice, this list of conditions and the following disclaimer in the |
| 27 | * documentation and/or other materials provided with the distribution. |
| 28 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 29 | * its contributors may be used to endorse or promote products derived |
| 30 | * from this software without specific prior written permission. |
| 31 | * |
| 32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 33 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 35 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 36 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 37 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 38 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 39 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 40 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 41 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 42 | * *************************************************************************** |
| 43 | * |
| 44 | */ |
| 45 | |
| 46 | #ifndef _PCIEUTILLIB_H_ |
| 47 | #define _PCIEUTILLIB_H_ |
| 48 | |
| 49 | /// Core lanes |
| 50 | typedef enum { |
| 51 | AllCoreLanes, ///< All core lanes |
| 52 | AllocatedCoreLanes, ///< Allocated core lanes |
| 53 | ActiveCoreLanes, ///< Active core lanes |
| 54 | HotplugCoreLanes, ///< Hot plug core lanes |
| 55 | SbCoreLanes, ///< South bridge core lanes |
| 56 | } CORE_LANES; |
| 57 | |
| 58 | /// DDI lanes |
| 59 | typedef enum { |
| 60 | DdiAllLanes, ///< All DDI Lanes |
| 61 | DdiActiveLanes ///< Active DDI Lanes |
| 62 | } DDI_LANES; |
| 63 | |
| 64 | BOOLEAN |
| 65 | PcieUtilSearchArray ( |
| 66 | IN UINT8 *Buf1, |
| 67 | IN UINTN Buf1Length, |
Arthur Heymans | 8d3640d | 2022-05-16 12:27:36 +0200 | [diff] [blame] | 68 | CONST IN UINT8 *Buf2, |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 69 | IN UINTN Buf2Length |
| 70 | ); |
| 71 | |
| 72 | VOID |
| 73 | PcieUtilGetLinkHwStateHistory ( |
| 74 | IN PCIe_ENGINE_CONFIG *Engine, |
| 75 | OUT UINT8 *History, |
| 76 | IN UINT8 Length, |
| 77 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 78 | ); |
| 79 | |
| 80 | |
| 81 | BOOLEAN |
| 82 | PcieUtilIsLinkReversed ( |
| 83 | IN BOOLEAN HwLinkState, |
| 84 | IN PCIe_ENGINE_CONFIG *Engine, |
| 85 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 86 | ); |
| 87 | |
| 88 | |
| 89 | UINT8 |
| 90 | PcieUtilGetLinkWidth ( |
| 91 | IN PCIe_ENGINE_CONFIG *Engine, |
| 92 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 93 | ); |
| 94 | |
| 95 | |
| 96 | UINT32 |
| 97 | PcieUtilGetEngineLaneBitMap ( |
| 98 | IN UINT32 IncludeLaneType, |
| 99 | IN UINT32 ExcludeLaneType, |
| 100 | IN PCIe_ENGINE_CONFIG *Engine |
| 101 | ); |
| 102 | |
| 103 | UINT32 |
| 104 | PcieUtilGetWrapperLaneBitMap ( |
| 105 | IN UINT32 IncludeLaneType, |
| 106 | IN UINT32 ExcludeLaneType, |
| 107 | IN PCIe_WRAPPER_CONFIG *Wrapper |
| 108 | ); |
| 109 | |
| 110 | VOID |
| 111 | PciePortProgramRegisterTable ( |
Arthur Heymans | 8d3640d | 2022-05-16 12:27:36 +0200 | [diff] [blame] | 112 | CONST IN PCIE_PORT_REGISTER_ENTRY *Table, |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 113 | IN UINTN Length, |
| 114 | IN PCIe_ENGINE_CONFIG *Engine, |
| 115 | IN BOOLEAN S3Save, |
| 116 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 117 | ); |
| 118 | |
| 119 | VOID |
| 120 | PcieLockRegisters ( |
| 121 | IN PCIe_WRAPPER_CONFIG *Wrapper, |
| 122 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 123 | ); |
| 124 | |
| 125 | PCIE_LINK_SPEED_CAP |
| 126 | PcieUtilGlobalGenCapability ( |
| 127 | IN UINT32 Flags, |
| 128 | IN PCIe_PLATFORM_CONFIG *Pcie |
| 129 | ); |
| 130 | |
| 131 | #endif |