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| author | Felix Polyudov <felixp@ami.com> | 2020-02-05 05:30:12 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-02-12 01:18:33 +0000 |
| commit | e465aae055258457e91ce2d3fef87d25507c5b24 (patch) | |
| tree | 51853ba533c5da73c51ec1ee9c9f84d91dfcfd15 | |
| parent | 27fb01a0b0c3c56a1bd27047c65e316f70e48e0d (diff) | |
| download | edk2-e465aae055258457e91ce2d3fef87d25507c5b24.tar.gz edk2-e465aae055258457e91ce2d3fef87d25507c5b24.tar.bz2 edk2-e465aae055258457e91ce2d3fef87d25507c5b24.zip | |
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 <felixp@ami.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
| -rw-r--r-- | MdePkg/Include/IndustryStandard/PciExpress50.h | 136 |
1 files changed, 136 insertions, 0 deletions
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.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _PCIEXPRESS50_H_
+#define _PCIEXPRESS50_H_
+
+#include <IndustryStandard/PciExpress40.h>
+
+#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
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