X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FIndustryStandard%2FPciExpress50.h;fp=MdePkg%2FInclude%2FIndustryStandard%2FPciExpress50.h;h=26eae0ba5c04750274c854bd29d6227ec1a46801;hb=e465aae055258457e91ce2d3fef87d25507c5b24;hp=0000000000000000000000000000000000000000;hpb=27fb01a0b0c3c56a1bd27047c65e316f70e48e0d;p=mirror_edk2.git
diff --git a/MdePkg/Include/IndustryStandard/PciExpress50.h b/MdePkg/Include/IndustryStandard/PciExpress50.h
new file mode 100644
index 0000000000..26eae0ba5c
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+++ 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