From e465aae055258457e91ce2d3fef87d25507c5b24 Mon Sep 17 00:00:00 2001 From: Felix Polyudov Date: Wed, 5 Feb 2020 05:30:12 +0800 Subject: MdePkg: Add PCI Express 5.0 Header File The header includes Physical Layer PCI Express Extended Capability definitions based on section 7.7.6 of PCI Express Base Specification 5.0. Signed-off-by: Felix Polyudov Reviewed-by: Liming Gao --- MdePkg/Include/IndustryStandard/PciExpress50.h | 136 +++++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/PciExpress50.h diff --git a/MdePkg/Include/IndustryStandard/PciExpress50.h b/MdePkg/Include/IndustryStandard/PciExpress50.h new file mode 100644 index 0000000000..26eae0ba5c --- /dev/null +++ b/MdePkg/Include/IndustryStandard/PciExpress50.h @@ -0,0 +1,136 @@ +/** @file +Support for the PCI Express 5.0 standard. + +This header file may not define all structures. Please extend as required. + +Copyright (c) 2020, American Megatrends International LLC. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _PCIEXPRESS50_H_ +#define _PCIEXPRESS50_H_ + +#include + +#pragma pack(1) + +/// The Physical Layer PCI Express Extended Capability definitions. +/// +/// Based on section 7.7.6 of PCI Express Base Specification 5.0. +///@{ +#define PCI_EXPRESS_EXTENDED_CAPABILITY_PHYSICAL_LAYER_32_0_ID 0x002A +#define PCI_EXPRESS_EXTENDED_CAPABILITY_PHYSICAL_LAYER_32_0_VER1 0x1 + +// Register offsets from Physical Layer PCI-E Ext Cap Header +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CAPABILITIES_OFFSET 0x04 +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CONTROL_OFFSET 0x08 +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_STATUS_OFFSET 0x0C +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA1_OFFSET 0x10 +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA2_OFFSET 0x14 +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA1_OFFSET 0x18 +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA2_OFFSET 0x1C +#define PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_LANE_EQUALIZATION_CONTROL_OFFSET 0x20 + +typedef union { + struct { + UINT32 EqualizationByPassToHighestRateSupport : 1; // bit 0 + UINT32 NoEqualizationNeededSupport : 1; // bit 1 + UINT32 Reserved1 : 6; // Reserved bit 2:7 + UINT32 ModifiedTSUsageMode0Support : 1; // bit 8 + UINT32 ModifiedTSUsageMode1Support : 1; // bit 9 + UINT32 ModifiedTSUsageMode2Support : 1; // bit 10 + UINT32 ModifiedTSReservedUsageModes : 5; // bit 11:15 + UINT32 Reserved2 : 16; // Reserved bit 16:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CAPABILITIES; + +typedef union { + struct { + UINT32 EqualizationByPassToHighestRateDisable : 1; // bit 0 + UINT32 NoEqualizationNeededDisable : 1; // bit 1 + UINT32 Reserved1 : 6; // Reserved bit 2:7 + UINT32 ModifiedTSUsageModeSelected : 3; // bit 8:10 + UINT32 Reserved2 : 21; // Reserved bit 11:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CONTROL; + +typedef union { + struct { + UINT32 EqualizationComplete : 1; // bit 0 + UINT32 EqualizationPhase1Success : 1; // bit 1 + UINT32 EqualizationPhase2Success : 1; // bit 2 + UINT32 EqualizationPhase3Success : 1; // bit 3 + UINT32 LinkEqualizationRequest : 1; // bit 4 + UINT32 ModifiedTSRcvd : 1; // bit 5 + UINT32 RcvdEnhancedLinkControl : 2; // bit 6:7 + UINT32 TransmitterPrecodingOn : 1; // bit 8 + UINT32 TransmitterPrecodeRequest : 1; // bit 9 + UINT32 NoEqualizationNeededRcvd : 1; // bit 10 + UINT32 Reserved : 21; // Reserved bit 11:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_STATUS; + +typedef union { + struct { + UINT32 RcvdModifiedTSUsageMode : 3; // bit 0:2 + UINT32 RcvdModifiedTSUsageInfo1 : 13; // bit 3:15 + UINT32 RcvdModifiedTSVendorId : 16; // bit 16:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA1; + +typedef union { + struct { + UINT32 RcvdModifiedTSUsageInfo2 : 24; // bit 0:23 + UINT32 AltProtocolNegotiationStatus : 2; // bit 24:25 + UINT32 Reserved : 6; // Reserved bit 26:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA2; + +typedef union { + struct { + UINT32 TransModifiedTSUsageMode : 3; // bit 0:2 + UINT32 TransModifiedTSUsageInfo1 : 13; // bit 3:15 + UINT32 TransModifiedTSVendorId : 16; // bit 16:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA1; + +typedef union { + struct { + UINT32 TransModifiedTSUsageInfo2 : 24; // bit 0:23 + UINT32 AltProtocolNegotiationStatus : 2; // bit 24:25 + UINT32 Reserved : 6; // Reserved bit 26:31 + } Bits; + UINT32 Uint32; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA2; + +typedef union { + struct { + UINT8 DownstreamPortTransmitterPreset : 4; //bit 0..3 + UINT8 UpstreamPortTransmitterPreset : 4; //bit 4..7 + } Bits; + UINT8 Uint8; +} PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_LANE_EQUALIZATION_CONTROL; + +typedef struct { + PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CAPABILITIES Capablities; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_CONTROL Control; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_STATUS Status; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA1 RcvdModifiedTs1Data; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_RCVD_MODIFIED_TS_DATA2 RcvdModifiedTs2Data; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA1 TransModifiedTs1Data; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_TRANS_MODIFIED_TS_DATA2 TransModifiedTs2Data; + PCI_EXPRESS_REG_PHYSICAL_LAYER_32_0_LANE_EQUALIZATION_CONTROL LaneEqualizationControl[1]; +} PCI_EXPRESS_EXTENDED_CAPABILITIES_PHYSICAL_LAYER_32_0; +///@} + +#pragma pack() + +#endif -- cgit v1.2.3