* [PATCH v2 1/1] MdePkg: Add DDR5 SPD defs to IndustryStandard per JESD400-5A.01
@ 2023-02-14 15:36 Rebecca Cran
2023-02-14 21:47 ` Rebecca Cran
0 siblings, 1 reply; 4+ messages in thread
From: Rebecca Cran @ 2023-02-14 15:36 UTC (permalink / raw)
To: devel; +Cc: Rebecca Cran, Liming Gao, Michael D Kinney, Zhiguang Liu
Copying the style of SdramSpdDdr4.h, add DDR5 SPD definitions to
SpdDdr5.h per JEDEC JESD400-5A.01 specification
(https://www.jedec.org/standards-documents/docs/jesd400-5a01).
Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
---
MdePkg/Include/IndustryStandard/SpdDdr5.h | 539 ++++++++++++++++++++++
1 file changed, 539 insertions(+)
create mode 100644 MdePkg/Include/IndustryStandard/SpdDdr5.h
diff --git a/MdePkg/Include/IndustryStandard/SpdDdr5.h b/MdePkg/Include/IndustryStandard/SpdDdr5.h
new file mode 100644
index 000000000000..0646064ea0fd
--- /dev/null
+++ b/MdePkg/Include/IndustryStandard/SpdDdr5.h
@@ -0,0 +1,539 @@
+/** @file
+ This file contains definitions for DDR5 SPD.
+
+ Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.<BR>
+ Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Revision Reference:
+ - DDR5 Serial Presence Detect (SPD), Document Release 1.1 (Jan 2023)
+ https://www.jedec.org/standards-documents/docs/jesd400-5a01
+**/
+
+#ifndef SPD_DDR5_H_
+#define SPD_DDR5_H_
+
+#pragma pack (push, 1)
+
+typedef union {
+ struct {
+ UINT8 BetaLevel3_0 : 4; ///< Bits 3:0
+ UINT8 BytesTotal : 3; ///< Bits 6:4
+ UINT8 BetaLevel4 : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_DEVICE_DESCRIPTION_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Minor : 4; ///< Bits 3:0
+ UINT8 Major : 4; ///< Bits 7:4
+ } Bits;
+ UINT8 Data;
+} SPD5_REVISION_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Type : 8; ///< Bits 7:0
+ } Bits;
+ UINT8 Data;
+} SPD5_DEVICE_TYPE_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 ModuleType : 4; ///< Bits 3:0
+ UINT8 HybridMedia : 3; ///< Bits 6:4
+ UINT8 Hybrid : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_TYPE_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Density : 5; ///< Bits 4:0
+ UINT8 Die : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_DENSITY_PACKAGE_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 RowAddress : 5; ///< Bits 4:0
+ UINT8 ColumnAddress : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_ADDRESSING_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Reserved : 5; ///< Bits 4:0
+ UINT8 IoWidth : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_IO_WIDTH_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 BanksPerBankGroup : 3; ///< Bits 2:0
+ UINT8 Reserved : 2; ///< Bits 4:3
+ UINT8 BankGroups : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_BANKS_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Reserved0 : 1; ///< Bits 0:0
+ UINT8 Mbist_mPpr : 1; ///< Bits 1:1
+ UINT8 Reserved1 : 2; ///< Bits 3:2
+ UINT8 BL32 : 1; ///< Bits 4:4
+ UINT8 SPprUndo_Lock : 1; ///< Bits 5:5
+ UINT8 Reserved2 : 1; ///< Bits 6:6
+ UINT8 SPprGranularity : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 DcaTypesSupported : 2; ///< Bits 1:0
+ UINT8 Reserved0 : 2; ///< Bits 3:2
+ UINT8 Pasr : 1; ///< Bits 4:4
+ UINT8 Reserved1 : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_DCA_AND_PASR_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 BoundedFault : 1; ///< Bits 0:0
+ UINT8 x4RmwEcsWbSuppressionMrSelector : 1; ///< Bits 1:1
+ UINT8 x4RmwEcsWriteBackSuppresion : 1; ///< Bits 2:2
+ UINT8 WideTemperatureSense : 1; ///< Bits 3:3
+ UINT8 Reserved : 4; ///< Bits 7:4
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 Endurant : 2; ///< Bits 1:0
+ UINT8 Operational : 2; ///< Bits 3:2
+ UINT8 Nominal : 4; ///< Bits 7:4
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT;
+
+typedef union {
+ struct {
+ UINT8 NonStandardCoreTimings : 1; ///< Bits 0:0
+ UINT8 Reserved : 7; ///< Bits 7:1
+ } Bits;
+ UINT8 Data;
+} SPD5_SDRAM_TIMINGS_STRUCT;
+
+typedef struct {
+ UINT8 Lsb;
+ UINT8 Msb;
+} SPD5_SDRAM_T_STRUCT;
+
+typedef union {
+ struct {
+ UINT32 Cl20 : 1; ///< Bits 0:0
+ UINT32 Cl22 : 1; ///< Bits 1:1
+ UINT32 Cl24 : 1; ///< Bits 2:2
+ UINT32 Cl26 : 1; ///< Bits 3:3
+ UINT32 Cl28 : 1; ///< Bits 4:4
+ UINT32 Cl30 : 1; ///< Bits 5:5
+ UINT32 Cl32 : 1; ///< Bits 6:6
+ UINT32 Cl34 : 1; ///< Bits 7:7
+ UINT32 Cl36 : 1; ///< Bits 8:8
+ UINT32 Cl38 : 1; ///< Bits 9:9
+ UINT32 Cl40 : 1; ///< Bits 10:10
+ UINT32 Cl42 : 1; ///< Bits 11:11
+ UINT32 Cl44 : 1; ///< Bits 12:12
+ UINT32 Cl46 : 1; ///< Bits 13:13
+ UINT32 Cl48 : 1; ///< Bits 14:14
+ UINT32 Cl50 : 1; ///< Bits 15:15
+ UINT32 Cl52 : 1; ///< Bits 16:16
+ UINT32 Cl54 : 1; ///< Bits 17:17
+ UINT32 Cl56 : 1; ///< Bits 18:18
+ UINT32 Cl58 : 1; ///< Bits 19:19
+ UINT32 Cl60 : 1; ///< Bits 20:20
+ UINT32 Cl62 : 1; ///< Bits 21:21
+ UINT32 Cl64 : 1; ///< Bits 22:22
+ UINT32 Cl66 : 1; ///< Bits 23:23
+ UINT32 Cl68 : 1; ///< Bits 24:24
+ UINT32 Cl70 : 1; ///< Bits 25:25
+ UINT32 Cl72 : 1; ///< Bits 26:26
+ UINT32 Cl74 : 1; ///< Bits 27:27
+ UINT32 Cl76 : 1; ///< Bits 28:28
+ UINT32 Cl78 : 1; ///< Bits 29:29
+ UINT32 Cl80 : 1; ///< Bits 30:30
+ UINT32 Cl82 : 1; ///< Bits 31:31
+ } Byte0_3;
+ struct {
+ UINT8 Cl84 : 1; ///< Bits 0:0
+ UINT8 Cl86 : 1; ///< Bits 1:1
+ UINT8 Cl88 : 1; ///< Bits 2:2
+ UINT8 Cl90 : 1; ///< Bits 3:3
+ UINT8 Cl92 : 1; ///< Bits 4:4
+ UINT8 Cl94 : 1; ///< Bits 5:5
+ UINT8 Cl96 : 1; ///< Bits 6:6
+ UINT8 Cl98 : 1; ///< Bits 7:7
+ } Byte4;
+ UINT8 Data8[5];
+} SPD5_CAS_LATENCIES_SUPPORTED_STRUCT;
+
+typedef union {
+ struct {
+ UINT16 RfmRequired : 1; ///< Bits 0:0
+ UINT16 Raaimt : 4; ///< Bits 4:1
+ UINT16 Raammt : 3; ///< Bits 7:5
+ UINT16 DrfmSupported : 1; ///< Bits 8:8
+ UINT16 RecommendedBoundedRefreshCfg : 2; ///< Bits 10:9
+ UINT16 BrcSupportLevel : 1; ///< Bits 11:11
+ UINT16 ArfmLevel : 2; ///< Bits 13:12
+ UINT16 RfmRaaCounterDecPerRefCmd : 2; ///< Bits 15:14
+ } Bits;
+ UINT16 Data;
+} SPD5_REFRESH_MANAGEMENT_STRUCT;
+
+typedef struct {
+ SPD5_DEVICE_DESCRIPTION_STRUCT Description; ///< 0 Number of Bytes in SPD Device and Beta Level
+ SPD5_REVISION_STRUCT Revision; ///< 1 SPD Revision for Base Configuration Parameters
+ SPD5_DEVICE_TYPE_STRUCT HostBusCommandProtocolType; ///< 2 Host Bus Command Protocol Type
+ SPD5_MODULE_TYPE_STRUCT ModuleType; ///< 3 Module Type
+ SPD5_SDRAM_DENSITY_PACKAGE_STRUCT FirstSdramDensityAndPackage; ///< 4 First SDRAM Density and Package
+ SPD5_SDRAM_ADDRESSING_STRUCT FirstSdramAddressing; ///< 5 First SDRAM Addressing
+ SPD5_SDRAM_IO_WIDTH_STRUCT FirstSdramIoWidth; ///< 6 First SDRAM I/O Width
+ SPD5_SDRAM_BANKS_STRUCT FirstSdramBanks; ///< 7 First SDRAM Bank Groups and Banks Per Bank Group
+ SPD5_SDRAM_DENSITY_PACKAGE_STRUCT SecondSdramDensityAndPackage; ///< 8 Second SDRAM Density and Package
+ SPD5_SDRAM_ADDRESSING_STRUCT SecondSdramAddressing; ///< 9 Second SDRAM Addressing
+ SPD5_SDRAM_IO_WIDTH_STRUCT SecondSdramIoWidth; ///< 10 Second SDRAM I/O Width
+ SPD5_SDRAM_BANKS_STRUCT SecondSdramBanks; ///< 11 Second SDRAM Bank Groups and Banks Per Bank Group
+ SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT SdramBl32AndPostPackageRepair; ///< 12 SDRAM BL32 and Post Package Repair
+ SPD5_SDRAM_DCA_AND_PASR_STRUCT SdramDcaAndPasr; ///< 13 SDRAM Duty Cycle Adjuster and Partial Array Self Refresh
+ SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT SdramFaultHandlingAndTempSense; ///< 14 SDRAM Fault Handling and Temperature Sense
+ UINT8 Reserved0; ///< 15 Reserved
+ SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVdd; ///< 16 SDRAM Nominal Voltage, VDD
+ SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVddq; ///< 17 SDRAM Nominal Voltage, VDDQ
+ SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVpp; ///< 18 SDRAM Nominal Voltage, VPP
+ SPD5_SDRAM_TIMINGS_STRUCT SdramUsesNonStandardTimings; ///< 19 SDRAM Timing
+ SPD5_SDRAM_T_STRUCT tCKavgMin; ///< 20-21 SDRAM Minimum Cycle Time (tCK_avg_min)
+ SPD5_SDRAM_T_STRUCT tCKavgMax; ///< 22-23 SDRAM Maximum Cycle Time (tCK_avg_max)
+ SPD5_CAS_LATENCIES_SUPPORTED_STRUCT CasLatenciesSupported; ///< 24-28 SDRAM CAS Latenies Supported
+ UINT8 Reserved1; ///< 29 Reserved
+ SPD5_SDRAM_T_STRUCT tAA; ///< 30-31 SDRAM Read Command to First Data (tAA)
+ SPD5_SDRAM_T_STRUCT tRCD; ///< 32-33 SDRAM Activate to Read or Write Command Delay (tRCD)
+ SPD5_SDRAM_T_STRUCT tRP; ///< 34-35 SDRAM Row Precharge Time (tRP)
+ SPD5_SDRAM_T_STRUCT tRAS; ///< 36-37 SDRAM Activate to Precharge Command Period (tRAS)
+ SPD5_SDRAM_T_STRUCT tRC; ///< 38-39 SDRAM Activate to Activate or Refresh Command Period (tRC)
+ SPD5_SDRAM_T_STRUCT tWR; ///< 40-41 SDRAM Write Recovery Time (tWR)
+ SPD5_SDRAM_T_STRUCT tRFC1_tRFC1Slr; ///< 42-43 SDRAM Normal Refresh Recovery Time (tRFC1, tRFC1_slr)
+ SPD5_SDRAM_T_STRUCT tRFC2_tRFC2Slr; ///< 44-45 SDRAM Fine Granularity Refresh Recovery Time (tRFC2, tRFC2_slr)
+ SPD5_SDRAM_T_STRUCT tRFCsb_tRFCsbSlr; ///< 46-47 SDRAM Same Bank Refresh Recovery Time (tRFC_sb, tRFC_sb_slr)
+ SPD5_SDRAM_T_STRUCT tRFC1Dlr; ///< 48-49 SDRAM Normal Refresh Recovery Time, 3DS Different Logical Rank (tRFC1_dlr)
+ SPD5_SDRAM_T_STRUCT tRFC2Dlr; ///< 50-51 SDRAM Fine Granularity Refresh Recovery Time, 3DS Different Logical Rank (tRFC2_dir)
+ SPD5_SDRAM_T_STRUCT tRFCsbDir; ///< 52-53 SDRAM Same Bank Refresh Recovery Time, 3DS Different Logical Rank (tRFC_sb_dlr)
+ SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramRefreshManagement; ///< 54-55 SDRAM Refresh Management, First SDRAM
+ SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramRefreshManagement; ///< 56-57 SDRAM Refresh Management, Second SDRAM
+ SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelA; ///< 58-59 SDRAM Adaptive Refresh Management, First DRAM, ARFM Level A
+ SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelA; ///< 60-61 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level A
+ SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelB; ///< 62-63 SDRAM Adaptive Refresh Management, First SDRAM, ARFM Level B
+ SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelB; ///< 64-65 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level B
+ SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelC; ///< 66-67 SDRAM Adaptive Refresh Management, First SDRAM, ARFM Level C
+ SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelC; ///< 68-69 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level C
+ SPD5_SDRAM_T_STRUCT tRRD_L; ///< 70-71 SDRAM Activate to Activate Command Delay for Same Bank Group (tRRD_L)
+ UINT8 tRRD_L_LowerClockLimit; ///< 72 SDRAM Activate to Activate Command Delay for Same Bank Group, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tCCD_L; ///< 73-74 SDRAM Read to Read Command Delay for Same Bank Group (tCCD_L)
+ UINT8 tCCD_L_LowerClockLimit; ///< 75 SDRAM Read to Read Command Delay for Same Bank Group, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tCCD_L_WR; ///< 76-77 SDRAM Write to Write Command Delay for Same Bank Group (tCCD_L_WR)
+ UINT8 tCCD_L_WR_LowerClockLimit; ///< 78 SDRAM Write to Write Command Delay for Same Bank Group, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tCCD_L_WR2; ///< 79-80 SDRAM Write to Write Command Delay for Same Bank Group, Second Write not RMW (tCCD_L_WR2)
+ UINT8 tCCD_L_WR2_LowerClockLimit; ///< 81 SDRAM Write to Write Command Delay for Same Bank Group, Second Write not RMW, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tFAW; ///< 82-83 SDRAM Four Activate Window (tFAW)
+ UINT8 tFAW_LowerClockLimit; ///< 84 SDRAM Four Activate Window, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tCCD_L_WTR; ///< 85-86 SDRAM Write to Read Command Delay for Same Bank (tCCD_L_WTR)
+ UINT8 tCCD_L_WTR_LowerClockLimit; ///< 87 SDRAM Write to Read Command Delay for Same Bank, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tCCD_S_WTR; ///< 88-89 SDRAM Write to Read Command Delay for Different Bank Group (tCCD_S_WTR)
+ UINT8 tCCD_S_WTR_LowerClockLimit; ///< 90 SDRAM Write to Read Command Delay for Different Bank Group, Lower Clock Limit
+ SPD5_SDRAM_T_STRUCT tRTP_tRTPslr; ///< 91-92 SDRAM Read to Precharge Command Delay (tRTP, tRTP_slr)
+ UINT8 tRTP_tRTPslr_LowerClockLimit; ///< 93 SDRAM Read to Precharge Command Delay, Lower Clock Limit
+ UINT8 Reserved2[127 - 94 + 1]; ///< 94-127 Reserved
+} SPD5_BASE_SECTION;
+
+STATIC_ASSERT (sizeof (SPD5_BASE_SECTION) == 128, "sizeof (SPD5_BASE_SECTION) does not match DDR5 SPD 1.1 specification");
+
+typedef union {
+ struct {
+ UINT8 SerialNumberHashingSequence : 3; ///< Bits 2:0
+ UINT8 Reserved : 5; ///< Bits 7:3
+ } Bits;
+ UINT8 Data;
+} SPD5_HASHING_SEQUENCE;
+
+typedef union {
+ struct {
+ UINT16 ContinuationCount : 7; ///< Bits 6:0
+ UINT16 ContinuationParity : 1; ///< Bits 7:7
+ UINT16 LastNonZeroByte : 8; ///< Bits 15:8
+ } Bits;
+ UINT16 Data;
+ UINT8 Data8[2];
+} SPD5_MANUFACTURER_ID_CODE;
+
+typedef union {
+ struct {
+ UINT8 DeviceType : 4; ///< Bits 3:0
+ UINT8 Reserved0 : 2; ///< Bits 5:4
+ UINT8 Rsvd_TempSensor : 1; ///< Bits 6:6
+ UINT8 DeviceInstalled : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_DEVICE_TYPE;
+
+typedef union {
+ struct {
+ UINT8 Height : 5; ///< Bits 4:0
+ UINT8 Reserved : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_NOMINAL_HEIGHT;
+
+typedef union {
+ struct {
+ UINT8 FrontThickness : 4; ///< Bits 3:0
+ UINT8 BackThickness : 4; ///< Bits 7:4
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_NOMINAL_THICKNESS;
+
+typedef union {
+ struct {
+ UINT8 Card : 5; ///< Bits 4:0
+ UINT8 Revision : 3; ///< Bits 7:5
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_REFERENCE_RAW_CARD;
+
+typedef union {
+ struct {
+ UINT8 DramRowCount : 2; ///< Bits 1:0
+ UINT8 HeatSpreader : 1; ///< Bits 2:2
+ UINT8 Reserved : 1; ///< Bits 3:3
+ UINT8 OperatingTempRange : 4; ///< Bits 7:4
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_DIMM_ATTRIBUTES;
+
+typedef union {
+ struct {
+ UINT8 Reserved0 : 3; ///< Bits 2:0
+ UINT8 PackageRanksCount : 3; ///< Bits 5:3
+ UINT8 RankMix : 1; ///< Bits 6:6
+ UINT8 Reserved1 : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_MODULE_ORGANIZATION;
+
+typedef union {
+ struct {
+ UINT8 PrimaryBusWidthPerSubChannel : 3; ///< Bits 2:0
+ UINT8 BusWidthExtensionPerSubChannel : 2; ///< Bits 4:3
+ UINT8 SubChannelsPerDimmCount : 2; ///< Bits 6:5
+ UINT8 Reserved : 1; ///< Bits 7:7
+ } Bits;
+ UINT8 Data;
+} SPD5_MEMORY_CHANNEL_BUS_WIDTH;
+
+
+typedef struct {
+ SPD5_REVISION_STRUCT SpdRevisionBytes192_447; ///< 192 SPD Revision for SPD bytes 192-447
+ SPD5_HASHING_SEQUENCE HashingSequence; ///< 193 Hashing Sequence
+ SPD5_MANUFACTURER_ID_CODE SpdManufacturer; ///< 194-195 SPD Manufacturer ID Code
+ SPD5_MODULE_DEVICE_TYPE SpdDeviceType; ///< 196 SPD Device Type
+ SPD5_REVISION_STRUCT SpdRevisionNumber; ///< 197 SPD Device Revision Number
+ SPD5_MANUFACTURER_ID_CODE Pmic0Manufacturer; ///< 198-199 PMIC 0 Manufacturer ID Code
+ SPD5_MODULE_DEVICE_TYPE Pmic0DeviceType; ///< 200 PMIC 0 Device Type
+ SPD5_REVISION_STRUCT Pmic0RevisionNumber; ///< 201 PMIC 0 Revision Number
+ SPD5_MANUFACTURER_ID_CODE Pmic1Manufacturer; ///< 202-203 PMIC 1 Manufacturer ID Code
+ SPD5_MODULE_DEVICE_TYPE Pmic1DeviceType; ///< 204 PMIC 1 Device Type
+ SPD5_REVISION_STRUCT Pmic1RevisionNumber; ///< 205 PMIC 1 Revision Number
+ SPD5_MANUFACTURER_ID_CODE Pmic2Manufacturer; ///< 206-207 PMIC 2 Manufacturer ID Code
+ SPD5_MODULE_DEVICE_TYPE Pmic2DeviceType; ///< 208 PMIC 2 Device Type
+ SPD5_REVISION_STRUCT Pmic2RevisionNumber; ///< 209 PMIC 2 Revision Number
+ SPD5_MANUFACTURER_ID_CODE ThermalSensorManufacturer; ///< 210-211 Thermal Sensor Manufacturer ID Code
+ SPD5_MODULE_DEVICE_TYPE ThermalSensorDeviceType; ///< 212 Thermal Sensor Revision Number
+ SPD5_REVISION_STRUCT ThermalSensorRevisionNumber; ///< 213 Thermal Sensor Revision Number
+ UINT8 Reserved0[229 - 214 + 1]; ///< 214-229 Reserved
+ SPD5_MODULE_NOMINAL_HEIGHT ModuleNominalHeight; ///< 230 Module Nominal Height
+ SPD5_MODULE_NOMINAL_THICKNESS ModuleMaximumThickness; ///< 231 Module Maximum Thickness
+ SPD5_MODULE_REFERENCE_RAW_CARD ReferenceRawCardUsed; ///< 232 Reference Raw Card Used
+ SPD5_MODULE_DIMM_ATTRIBUTES DimmAttributes; ///< 233 DIMM Attributes
+ SPD5_MODULE_ORGANIZATION ModuleOrganization; ///< 234 Module Organization
+ SPD5_MEMORY_CHANNEL_BUS_WIDTH MemoryChannelBusWidth; ///< 235 Memory Channel Bus Width
+ UINT8 Reserved1[239 - 236 + 1]; ///< 236-239 Reserved
+} SPD5_MODULE_COMMON;
+
+ STATIC_ASSERT (sizeof (SPD5_MODULE_COMMON) == 48, "sizeof (SPD5_MODULE_COMMON) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ UINT8 Reserved[447 - 240 + 1]; ///< 240-447 Reserved
+} SPD5_MODULE_SOLDER_DOWN;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_SOLDER_DOWN) == 208, "sizeof (SPD5_MODULE_SOLDER_DOWN) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE ClockDriverManufacturerId; ///< 240-241 Clock Driver Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT ClockDriverDeviceType; ///< 242 Clock Driver Device Type
+ SPD5_REVISION_STRUCT ClockDriverRevisionNumber; ///< 243 Clock Driver Revision Number
+ UINT8 Reserved[447 - 244 + 1];
+} SPD5_MODULE_UNBUFFERED;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_UNBUFFERED) == 208, "sizeof (SPD5_MODULE_UNBUFFERED) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
+ SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
+ SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
+ SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
+ UINT8 RcdRw08ClockDriverEnable; ///< 248 RCD-RW08 Clock Driver Enable
+ UINT8 RcdRw09OutputAddressAndControlEnable; ///< 249 RCD-RW09 Output Address and Control Enable
+ UINT8 RcdRw0AQckDriverCharacteristics; ///< 250 RCD-RW0A QCK Driver Characteristics
+ UINT8 RcdRw0B; ///< 251 RCD-RW0B
+ UINT8 RcdRw0CQxCaAndQcsnDriverCharacteristics; ///< 252 RCD-RW0C QxCA and QxCS_n Driver Characteristics
+ UINT8 RcdRw0DDataBufferInterfaceDriverCharacteristics; ///< 253 RCD-RW0D Data Buffer Interface Driver Characteristics
+ UINT8 RcdRw0EQckQcaAndQcsOutputSlewRate; ///< 254 RCD-RW0E QCK, QCA and QCS Output Slew Rate
+ UINT8 RcdRw0FBckBcomAndBcsOutputSlewRate; ///< 255 RCD-RW0F BCK, BCOM, and BCS Output Slew Rate
+ UINT8 DbRw86DqsRttParkTermination; ///< 256 DB-RW86 DQS RTT Park Termination
+ UINT8 Reserved[447 - 257 + 1]; ///< 257-447 Reserved
+} SPD5_MODULE_REGISTERED;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_REGISTERED) == 208, "sizeof (SPD5_MODULE_REGISTERED) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE MultiplexRegisteringClockDriverManufacturerId; ///< 240-241 Multiplex Registering Clock Driver Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
+ SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
+ SPD5_MANUFACTURER_ID_CODE MultiplexDataBufferManufacturerId; ///< 244-245 Multiplex Data Buffer Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
+ SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
+ UINT8 Reserved[447 - 248 + 1]; ///< 248-447 Reserved
+} SPD5_MODULE_MULTIPLEXED_RANK;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_MULTIPLEXED_RANK) == 208, "sizeof (SPD5_MODULE_MULTIPLEXED_RANK) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE DifferentialMemoryBufferManufacturerId; ///< 240-241 Differential Memory Buffer Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT DifferentialMemoryBufferDeviceType; ///< 242 Differential Memory Buffer Device Type
+ SPD5_REVISION_STRUCT DifferentialMemoryBufferRevisionNumber; ///< 243 Differential Memory Buffer Revision Number
+ UINT8 Reserved[447 - 244 + 1]; ///< 244-447 Reserved
+} SPD5_MODULE_DIFFERENTIAL;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_DIFFERENTIAL) == 208, "sizeof (SPD5_MODULE_DIFFERENTIAL) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
+ SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
+ SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
+ SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
+ UINT8 Reserved[447 - 248 + 1]; ///< 248-447 Reserved
+} SPD5_MODULE_NVDIMM_N;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_N) == 208, "sizeof (SPD5_MODULE_NVDIMM_N) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
+ SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
+ SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
+ SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
+ SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
+ UINT8 ModuleStorageCapacity[2]; ///< 248-249 Module Storage Capacity
+ UINT8 ProtocolProfile; ///< 250 Protocol Profile
+ UINT8 Reserved[447 - 251 + 1]; ///< 251-447 Reserved
+} SPD5_MODULE_NVDIMM_P;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_P) == 208, "sizeof (SPD5_MODULE_NVDIMM_P) does not match DDR5 SPD 1.1 specification");
+
+typedef union {
+ SPD5_MODULE_SOLDER_DOWN SolderDown; ///< 240-447 Solder Down Memory Module Types
+ SPD5_MODULE_UNBUFFERED Unbuffered; ///< 240-447 Unbuffered Memory Module Types
+ SPD5_MODULE_REGISTERED Registered; ///< 240-447 Registered Memory Module Types
+ SPD5_MODULE_MULTIPLEXED_RANK MultiplexedRank; ///< 240-447 Mutiplexed Rank Memory Module Types
+ SPD5_MODULE_DIFFERENTIAL Differential; ///< 240-447 Differentual (DDR-D) Memory Module Types
+ SPD5_MODULE_NVDIMM_N NvDimmN; ///< 240-447 Non-Volatile (NVDIMM-N) Hybrid Memory Parameters
+ SPD5_MODULE_NVDIMM_P NvDimmP; ///< 240-447 Non-Volatile (NVDIMM-P) Hybrid Memory Parameters
+} SPD5_MODULE_SPECIFIC;
+
+STATIC_ASSERT (sizeof (SPD5_MODULE_SPECIFIC) == 208, "sizeof (SPD5_MODULE_SPECIFIC) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ UINT8 ManufacturerSpecificData[639 - 555 + 1]; ///< 639-555 Manufacturer's Specific Data
+} SPD5_MANUFACTURER_SPECIFIC;
+
+STATIC_ASSERT (sizeof (SPD5_MANUFACTURER_SPECIFIC) == 85, "sizeof (SPD5_MANUFACTURER_SPECIFIC) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ UINT8 Year; ///< Year represented in BCD (00h = 2000)
+ UINT8 Week; ///< Year represented in BCD (47h = week 47)
+} SPD5_MANUFACTURING_DATE;
+
+typedef union {
+ UINT32 SerialNumber32; ///< 517-520 Serial Number
+ UINT16 SerialNumber16[2];
+ UINT8 SerialNumber8[4];
+} SPD5_MANUFACTURER_SERIAL_NUMBER;
+
+typedef struct {
+ UINT8 ModulePartNumber[550 - 521 + 1]; ///< 521-550 Module Part Number
+} SPD5_MODULE_PART_NUMBER;
+
+typedef UINT8 SPD5_MANUFACTURING_LOCATION; ///< 514 Module Manufacturing Location
+typedef UINT8 SPD5_MODULE_REVISION_CODE; ///< 551 Module Revision Code
+typedef UINT8 SPD5_DRAM_STEPPING; ///< 554 DRAM Stepping
+
+typedef struct {
+ SPD5_MANUFACTURER_ID_CODE ModuleManufacturer; ///< 512-513 Module Manufacturer ID Code
+ SPD5_MANUFACTURING_LOCATION ModuleManufacturingLocation; ///< 514 Module Manufacuring Location
+ SPD5_MANUFACTURING_DATE ModuleManufacturingDate; ///< 515-516 Module Manufacturing Date
+ SPD5_MANUFACTURER_SERIAL_NUMBER ModuleSerialNumber; ///< 517-520 Module Serial Number
+ SPD5_MODULE_PART_NUMBER ModulePartNumber; ///< 521-550 Module Part Number
+ SPD5_MODULE_REVISION_CODE ModuleRevisionCode; ///< 551 Module Revision Code
+ SPD5_MANUFACTURER_ID_CODE DramManufacturer; ///< 552-553 DRAM Manufacturer ID Code
+ SPD5_DRAM_STEPPING DramStepping; ///< 554 DRAM Stepping
+ SPD5_MANUFACTURER_SPECIFIC ManufacturerSpecificData; ///< 555-639 Manufacturer's Specific Data
+} SPD5_MANUFACTURING_DATA;
+
+STATIC_ASSERT (sizeof (SPD5_MANUFACTURING_DATA) == 128, "sizeof (SPD5_MANUFACTURING_DATA) does not match DDR5 SPD 1.1 specification");
+
+typedef struct {
+ UINT8 EndUserBytes[1023 - 640 + 1]; ///< 640-1023 End User Programmable Bytes
+} SPD5_END_USER_SECTION;
+
+STATIC_ASSERT (sizeof (SPD5_END_USER_SECTION) == 384, "sizeof (SPD5_END_USER_SECTION) does not match DDR5 SPD 1.1 specification");
+
+///
+/// DDR5 Serial Presence Detect structure
+///
+typedef struct {
+ SPD5_BASE_SECTION Base; ///< 0-127 Base Configuration and DRAM Parameters
+ UINT8 Reserved0[191 - 128 + 1]; ///< 128-191 Reserved
+ SPD5_MODULE_COMMON Common; ///< 192-239 Common Module Parameters
+ SPD5_MODULE_SPECIFIC Module; ///< 240-447 Module Type Specific Information
+ UINT8 Reserved1[509 - 448 + 1]; ///< 448-509 Reserved for future use
+ UINT8 Crc[2]; ///< 510-511 CRC for bytes 0-509
+ SPD5_MANUFACTURING_DATA ManufacturerInfo; ///< 512-639 Manufacturing Information
+ SPD5_END_USER_SECTION EndUser; ///< 640-1023 End User Programmable
+} SPD_DDR5;
+
+STATIC_ASSERT (sizeof (SPD_DDR5) == 1024, "sizeof (SPD_DDR5) does not match DDR5 SPD 1.1 specification");
+
+#pragma pack (pop)
+
+#endif /* SPD_DDR5_H_ */
--
2.30.2
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH v2 1/1] MdePkg: Add DDR5 SPD defs to IndustryStandard per JESD400-5A.01
2023-02-14 15:36 [PATCH v2 1/1] MdePkg: Add DDR5 SPD defs to IndustryStandard per JESD400-5A.01 Rebecca Cran
@ 2023-02-14 21:47 ` Rebecca Cran
2023-04-07 16:58 ` [edk2-devel] " Rebecca Cran
[not found] ` <1753B59497187A55.4032@groups.io>
0 siblings, 2 replies; 4+ messages in thread
From: Rebecca Cran @ 2023-02-14 21:47 UTC (permalink / raw)
To: devel; +Cc: Michael D Kinney, Zhiguang Liu, Liming Gao
+Liming
On 2/14/23 08:36, Rebecca Cran wrote:
> Copying the style of SdramSpdDdr4.h, add DDR5 SPD definitions to
> SpdDdr5.h per JEDEC JESD400-5A.01 specification
> (https://www.jedec.org/standards-documents/docs/jesd400-5a01).
>
> Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> ---
> MdePkg/Include/IndustryStandard/SpdDdr5.h | 539 ++++++++++++++++++++++
> 1 file changed, 539 insertions(+)
> create mode 100644 MdePkg/Include/IndustryStandard/SpdDdr5.h
>
> diff --git a/MdePkg/Include/IndustryStandard/SpdDdr5.h b/MdePkg/Include/IndustryStandard/SpdDdr5.h
> new file mode 100644
> index 000000000000..0646064ea0fd
> --- /dev/null
> +++ b/MdePkg/Include/IndustryStandard/SpdDdr5.h
> @@ -0,0 +1,539 @@
> +/** @file
> + This file contains definitions for DDR5 SPD.
> +
> + Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.<BR>
> + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> + @par Revision Reference:
> + - DDR5 Serial Presence Detect (SPD), Document Release 1.1 (Jan 2023)
> + https://www.jedec.org/standards-documents/docs/jesd400-5a01
> +**/
> +
> +#ifndef SPD_DDR5_H_
> +#define SPD_DDR5_H_
> +
> +#pragma pack (push, 1)
> +
> +typedef union {
> + struct {
> + UINT8 BetaLevel3_0 : 4; ///< Bits 3:0
> + UINT8 BytesTotal : 3; ///< Bits 6:4
> + UINT8 BetaLevel4 : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_DEVICE_DESCRIPTION_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Minor : 4; ///< Bits 3:0
> + UINT8 Major : 4; ///< Bits 7:4
> + } Bits;
> + UINT8 Data;
> +} SPD5_REVISION_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Type : 8; ///< Bits 7:0
> + } Bits;
> + UINT8 Data;
> +} SPD5_DEVICE_TYPE_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 ModuleType : 4; ///< Bits 3:0
> + UINT8 HybridMedia : 3; ///< Bits 6:4
> + UINT8 Hybrid : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_TYPE_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Density : 5; ///< Bits 4:0
> + UINT8 Die : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_DENSITY_PACKAGE_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 RowAddress : 5; ///< Bits 4:0
> + UINT8 ColumnAddress : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_ADDRESSING_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Reserved : 5; ///< Bits 4:0
> + UINT8 IoWidth : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_IO_WIDTH_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 BanksPerBankGroup : 3; ///< Bits 2:0
> + UINT8 Reserved : 2; ///< Bits 4:3
> + UINT8 BankGroups : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_BANKS_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Reserved0 : 1; ///< Bits 0:0
> + UINT8 Mbist_mPpr : 1; ///< Bits 1:1
> + UINT8 Reserved1 : 2; ///< Bits 3:2
> + UINT8 BL32 : 1; ///< Bits 4:4
> + UINT8 SPprUndo_Lock : 1; ///< Bits 5:5
> + UINT8 Reserved2 : 1; ///< Bits 6:6
> + UINT8 SPprGranularity : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 DcaTypesSupported : 2; ///< Bits 1:0
> + UINT8 Reserved0 : 2; ///< Bits 3:2
> + UINT8 Pasr : 1; ///< Bits 4:4
> + UINT8 Reserved1 : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_DCA_AND_PASR_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 BoundedFault : 1; ///< Bits 0:0
> + UINT8 x4RmwEcsWbSuppressionMrSelector : 1; ///< Bits 1:1
> + UINT8 x4RmwEcsWriteBackSuppresion : 1; ///< Bits 2:2
> + UINT8 WideTemperatureSense : 1; ///< Bits 3:3
> + UINT8 Reserved : 4; ///< Bits 7:4
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 Endurant : 2; ///< Bits 1:0
> + UINT8 Operational : 2; ///< Bits 3:2
> + UINT8 Nominal : 4; ///< Bits 7:4
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT8 NonStandardCoreTimings : 1; ///< Bits 0:0
> + UINT8 Reserved : 7; ///< Bits 7:1
> + } Bits;
> + UINT8 Data;
> +} SPD5_SDRAM_TIMINGS_STRUCT;
> +
> +typedef struct {
> + UINT8 Lsb;
> + UINT8 Msb;
> +} SPD5_SDRAM_T_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT32 Cl20 : 1; ///< Bits 0:0
> + UINT32 Cl22 : 1; ///< Bits 1:1
> + UINT32 Cl24 : 1; ///< Bits 2:2
> + UINT32 Cl26 : 1; ///< Bits 3:3
> + UINT32 Cl28 : 1; ///< Bits 4:4
> + UINT32 Cl30 : 1; ///< Bits 5:5
> + UINT32 Cl32 : 1; ///< Bits 6:6
> + UINT32 Cl34 : 1; ///< Bits 7:7
> + UINT32 Cl36 : 1; ///< Bits 8:8
> + UINT32 Cl38 : 1; ///< Bits 9:9
> + UINT32 Cl40 : 1; ///< Bits 10:10
> + UINT32 Cl42 : 1; ///< Bits 11:11
> + UINT32 Cl44 : 1; ///< Bits 12:12
> + UINT32 Cl46 : 1; ///< Bits 13:13
> + UINT32 Cl48 : 1; ///< Bits 14:14
> + UINT32 Cl50 : 1; ///< Bits 15:15
> + UINT32 Cl52 : 1; ///< Bits 16:16
> + UINT32 Cl54 : 1; ///< Bits 17:17
> + UINT32 Cl56 : 1; ///< Bits 18:18
> + UINT32 Cl58 : 1; ///< Bits 19:19
> + UINT32 Cl60 : 1; ///< Bits 20:20
> + UINT32 Cl62 : 1; ///< Bits 21:21
> + UINT32 Cl64 : 1; ///< Bits 22:22
> + UINT32 Cl66 : 1; ///< Bits 23:23
> + UINT32 Cl68 : 1; ///< Bits 24:24
> + UINT32 Cl70 : 1; ///< Bits 25:25
> + UINT32 Cl72 : 1; ///< Bits 26:26
> + UINT32 Cl74 : 1; ///< Bits 27:27
> + UINT32 Cl76 : 1; ///< Bits 28:28
> + UINT32 Cl78 : 1; ///< Bits 29:29
> + UINT32 Cl80 : 1; ///< Bits 30:30
> + UINT32 Cl82 : 1; ///< Bits 31:31
> + } Byte0_3;
> + struct {
> + UINT8 Cl84 : 1; ///< Bits 0:0
> + UINT8 Cl86 : 1; ///< Bits 1:1
> + UINT8 Cl88 : 1; ///< Bits 2:2
> + UINT8 Cl90 : 1; ///< Bits 3:3
> + UINT8 Cl92 : 1; ///< Bits 4:4
> + UINT8 Cl94 : 1; ///< Bits 5:5
> + UINT8 Cl96 : 1; ///< Bits 6:6
> + UINT8 Cl98 : 1; ///< Bits 7:7
> + } Byte4;
> + UINT8 Data8[5];
> +} SPD5_CAS_LATENCIES_SUPPORTED_STRUCT;
> +
> +typedef union {
> + struct {
> + UINT16 RfmRequired : 1; ///< Bits 0:0
> + UINT16 Raaimt : 4; ///< Bits 4:1
> + UINT16 Raammt : 3; ///< Bits 7:5
> + UINT16 DrfmSupported : 1; ///< Bits 8:8
> + UINT16 RecommendedBoundedRefreshCfg : 2; ///< Bits 10:9
> + UINT16 BrcSupportLevel : 1; ///< Bits 11:11
> + UINT16 ArfmLevel : 2; ///< Bits 13:12
> + UINT16 RfmRaaCounterDecPerRefCmd : 2; ///< Bits 15:14
> + } Bits;
> + UINT16 Data;
> +} SPD5_REFRESH_MANAGEMENT_STRUCT;
> +
> +typedef struct {
> + SPD5_DEVICE_DESCRIPTION_STRUCT Description; ///< 0 Number of Bytes in SPD Device and Beta Level
> + SPD5_REVISION_STRUCT Revision; ///< 1 SPD Revision for Base Configuration Parameters
> + SPD5_DEVICE_TYPE_STRUCT HostBusCommandProtocolType; ///< 2 Host Bus Command Protocol Type
> + SPD5_MODULE_TYPE_STRUCT ModuleType; ///< 3 Module Type
> + SPD5_SDRAM_DENSITY_PACKAGE_STRUCT FirstSdramDensityAndPackage; ///< 4 First SDRAM Density and Package
> + SPD5_SDRAM_ADDRESSING_STRUCT FirstSdramAddressing; ///< 5 First SDRAM Addressing
> + SPD5_SDRAM_IO_WIDTH_STRUCT FirstSdramIoWidth; ///< 6 First SDRAM I/O Width
> + SPD5_SDRAM_BANKS_STRUCT FirstSdramBanks; ///< 7 First SDRAM Bank Groups and Banks Per Bank Group
> + SPD5_SDRAM_DENSITY_PACKAGE_STRUCT SecondSdramDensityAndPackage; ///< 8 Second SDRAM Density and Package
> + SPD5_SDRAM_ADDRESSING_STRUCT SecondSdramAddressing; ///< 9 Second SDRAM Addressing
> + SPD5_SDRAM_IO_WIDTH_STRUCT SecondSdramIoWidth; ///< 10 Second SDRAM I/O Width
> + SPD5_SDRAM_BANKS_STRUCT SecondSdramBanks; ///< 11 Second SDRAM Bank Groups and Banks Per Bank Group
> + SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT SdramBl32AndPostPackageRepair; ///< 12 SDRAM BL32 and Post Package Repair
> + SPD5_SDRAM_DCA_AND_PASR_STRUCT SdramDcaAndPasr; ///< 13 SDRAM Duty Cycle Adjuster and Partial Array Self Refresh
> + SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT SdramFaultHandlingAndTempSense; ///< 14 SDRAM Fault Handling and Temperature Sense
> + UINT8 Reserved0; ///< 15 Reserved
> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVdd; ///< 16 SDRAM Nominal Voltage, VDD
> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVddq; ///< 17 SDRAM Nominal Voltage, VDDQ
> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT ModuleNominalVoltageVpp; ///< 18 SDRAM Nominal Voltage, VPP
> + SPD5_SDRAM_TIMINGS_STRUCT SdramUsesNonStandardTimings; ///< 19 SDRAM Timing
> + SPD5_SDRAM_T_STRUCT tCKavgMin; ///< 20-21 SDRAM Minimum Cycle Time (tCK_avg_min)
> + SPD5_SDRAM_T_STRUCT tCKavgMax; ///< 22-23 SDRAM Maximum Cycle Time (tCK_avg_max)
> + SPD5_CAS_LATENCIES_SUPPORTED_STRUCT CasLatenciesSupported; ///< 24-28 SDRAM CAS Latenies Supported
> + UINT8 Reserved1; ///< 29 Reserved
> + SPD5_SDRAM_T_STRUCT tAA; ///< 30-31 SDRAM Read Command to First Data (tAA)
> + SPD5_SDRAM_T_STRUCT tRCD; ///< 32-33 SDRAM Activate to Read or Write Command Delay (tRCD)
> + SPD5_SDRAM_T_STRUCT tRP; ///< 34-35 SDRAM Row Precharge Time (tRP)
> + SPD5_SDRAM_T_STRUCT tRAS; ///< 36-37 SDRAM Activate to Precharge Command Period (tRAS)
> + SPD5_SDRAM_T_STRUCT tRC; ///< 38-39 SDRAM Activate to Activate or Refresh Command Period (tRC)
> + SPD5_SDRAM_T_STRUCT tWR; ///< 40-41 SDRAM Write Recovery Time (tWR)
> + SPD5_SDRAM_T_STRUCT tRFC1_tRFC1Slr; ///< 42-43 SDRAM Normal Refresh Recovery Time (tRFC1, tRFC1_slr)
> + SPD5_SDRAM_T_STRUCT tRFC2_tRFC2Slr; ///< 44-45 SDRAM Fine Granularity Refresh Recovery Time (tRFC2, tRFC2_slr)
> + SPD5_SDRAM_T_STRUCT tRFCsb_tRFCsbSlr; ///< 46-47 SDRAM Same Bank Refresh Recovery Time (tRFC_sb, tRFC_sb_slr)
> + SPD5_SDRAM_T_STRUCT tRFC1Dlr; ///< 48-49 SDRAM Normal Refresh Recovery Time, 3DS Different Logical Rank (tRFC1_dlr)
> + SPD5_SDRAM_T_STRUCT tRFC2Dlr; ///< 50-51 SDRAM Fine Granularity Refresh Recovery Time, 3DS Different Logical Rank (tRFC2_dir)
> + SPD5_SDRAM_T_STRUCT tRFCsbDir; ///< 52-53 SDRAM Same Bank Refresh Recovery Time, 3DS Different Logical Rank (tRFC_sb_dlr)
> + SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramRefreshManagement; ///< 54-55 SDRAM Refresh Management, First SDRAM
> + SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramRefreshManagement; ///< 56-57 SDRAM Refresh Management, Second SDRAM
> + SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelA; ///< 58-59 SDRAM Adaptive Refresh Management, First DRAM, ARFM Level A
> + SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelA; ///< 60-61 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level A
> + SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelB; ///< 62-63 SDRAM Adaptive Refresh Management, First SDRAM, ARFM Level B
> + SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelB; ///< 64-65 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level B
> + SPD5_REFRESH_MANAGEMENT_STRUCT FirstSdramAdaptiveRefreshMgmtLevelC; ///< 66-67 SDRAM Adaptive Refresh Management, First SDRAM, ARFM Level C
> + SPD5_REFRESH_MANAGEMENT_STRUCT SecondSdramAdaptiveRefreshMgmtLevelC; ///< 68-69 SDRAM Adaptive Refresh Management, Second SDRAM, ARFM Level C
> + SPD5_SDRAM_T_STRUCT tRRD_L; ///< 70-71 SDRAM Activate to Activate Command Delay for Same Bank Group (tRRD_L)
> + UINT8 tRRD_L_LowerClockLimit; ///< 72 SDRAM Activate to Activate Command Delay for Same Bank Group, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tCCD_L; ///< 73-74 SDRAM Read to Read Command Delay for Same Bank Group (tCCD_L)
> + UINT8 tCCD_L_LowerClockLimit; ///< 75 SDRAM Read to Read Command Delay for Same Bank Group, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tCCD_L_WR; ///< 76-77 SDRAM Write to Write Command Delay for Same Bank Group (tCCD_L_WR)
> + UINT8 tCCD_L_WR_LowerClockLimit; ///< 78 SDRAM Write to Write Command Delay for Same Bank Group, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tCCD_L_WR2; ///< 79-80 SDRAM Write to Write Command Delay for Same Bank Group, Second Write not RMW (tCCD_L_WR2)
> + UINT8 tCCD_L_WR2_LowerClockLimit; ///< 81 SDRAM Write to Write Command Delay for Same Bank Group, Second Write not RMW, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tFAW; ///< 82-83 SDRAM Four Activate Window (tFAW)
> + UINT8 tFAW_LowerClockLimit; ///< 84 SDRAM Four Activate Window, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tCCD_L_WTR; ///< 85-86 SDRAM Write to Read Command Delay for Same Bank (tCCD_L_WTR)
> + UINT8 tCCD_L_WTR_LowerClockLimit; ///< 87 SDRAM Write to Read Command Delay for Same Bank, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tCCD_S_WTR; ///< 88-89 SDRAM Write to Read Command Delay for Different Bank Group (tCCD_S_WTR)
> + UINT8 tCCD_S_WTR_LowerClockLimit; ///< 90 SDRAM Write to Read Command Delay for Different Bank Group, Lower Clock Limit
> + SPD5_SDRAM_T_STRUCT tRTP_tRTPslr; ///< 91-92 SDRAM Read to Precharge Command Delay (tRTP, tRTP_slr)
> + UINT8 tRTP_tRTPslr_LowerClockLimit; ///< 93 SDRAM Read to Precharge Command Delay, Lower Clock Limit
> + UINT8 Reserved2[127 - 94 + 1]; ///< 94-127 Reserved
> +} SPD5_BASE_SECTION;
> +
> +STATIC_ASSERT (sizeof (SPD5_BASE_SECTION) == 128, "sizeof (SPD5_BASE_SECTION) does not match DDR5 SPD 1.1 specification");
> +
> +typedef union {
> + struct {
> + UINT8 SerialNumberHashingSequence : 3; ///< Bits 2:0
> + UINT8 Reserved : 5; ///< Bits 7:3
> + } Bits;
> + UINT8 Data;
> +} SPD5_HASHING_SEQUENCE;
> +
> +typedef union {
> + struct {
> + UINT16 ContinuationCount : 7; ///< Bits 6:0
> + UINT16 ContinuationParity : 1; ///< Bits 7:7
> + UINT16 LastNonZeroByte : 8; ///< Bits 15:8
> + } Bits;
> + UINT16 Data;
> + UINT8 Data8[2];
> +} SPD5_MANUFACTURER_ID_CODE;
> +
> +typedef union {
> + struct {
> + UINT8 DeviceType : 4; ///< Bits 3:0
> + UINT8 Reserved0 : 2; ///< Bits 5:4
> + UINT8 Rsvd_TempSensor : 1; ///< Bits 6:6
> + UINT8 DeviceInstalled : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_DEVICE_TYPE;
> +
> +typedef union {
> + struct {
> + UINT8 Height : 5; ///< Bits 4:0
> + UINT8 Reserved : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_NOMINAL_HEIGHT;
> +
> +typedef union {
> + struct {
> + UINT8 FrontThickness : 4; ///< Bits 3:0
> + UINT8 BackThickness : 4; ///< Bits 7:4
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_NOMINAL_THICKNESS;
> +
> +typedef union {
> + struct {
> + UINT8 Card : 5; ///< Bits 4:0
> + UINT8 Revision : 3; ///< Bits 7:5
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_REFERENCE_RAW_CARD;
> +
> +typedef union {
> + struct {
> + UINT8 DramRowCount : 2; ///< Bits 1:0
> + UINT8 HeatSpreader : 1; ///< Bits 2:2
> + UINT8 Reserved : 1; ///< Bits 3:3
> + UINT8 OperatingTempRange : 4; ///< Bits 7:4
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_DIMM_ATTRIBUTES;
> +
> +typedef union {
> + struct {
> + UINT8 Reserved0 : 3; ///< Bits 2:0
> + UINT8 PackageRanksCount : 3; ///< Bits 5:3
> + UINT8 RankMix : 1; ///< Bits 6:6
> + UINT8 Reserved1 : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_MODULE_ORGANIZATION;
> +
> +typedef union {
> + struct {
> + UINT8 PrimaryBusWidthPerSubChannel : 3; ///< Bits 2:0
> + UINT8 BusWidthExtensionPerSubChannel : 2; ///< Bits 4:3
> + UINT8 SubChannelsPerDimmCount : 2; ///< Bits 6:5
> + UINT8 Reserved : 1; ///< Bits 7:7
> + } Bits;
> + UINT8 Data;
> +} SPD5_MEMORY_CHANNEL_BUS_WIDTH;
> +
> +
> +typedef struct {
> + SPD5_REVISION_STRUCT SpdRevisionBytes192_447; ///< 192 SPD Revision for SPD bytes 192-447
> + SPD5_HASHING_SEQUENCE HashingSequence; ///< 193 Hashing Sequence
> + SPD5_MANUFACTURER_ID_CODE SpdManufacturer; ///< 194-195 SPD Manufacturer ID Code
> + SPD5_MODULE_DEVICE_TYPE SpdDeviceType; ///< 196 SPD Device Type
> + SPD5_REVISION_STRUCT SpdRevisionNumber; ///< 197 SPD Device Revision Number
> + SPD5_MANUFACTURER_ID_CODE Pmic0Manufacturer; ///< 198-199 PMIC 0 Manufacturer ID Code
> + SPD5_MODULE_DEVICE_TYPE Pmic0DeviceType; ///< 200 PMIC 0 Device Type
> + SPD5_REVISION_STRUCT Pmic0RevisionNumber; ///< 201 PMIC 0 Revision Number
> + SPD5_MANUFACTURER_ID_CODE Pmic1Manufacturer; ///< 202-203 PMIC 1 Manufacturer ID Code
> + SPD5_MODULE_DEVICE_TYPE Pmic1DeviceType; ///< 204 PMIC 1 Device Type
> + SPD5_REVISION_STRUCT Pmic1RevisionNumber; ///< 205 PMIC 1 Revision Number
> + SPD5_MANUFACTURER_ID_CODE Pmic2Manufacturer; ///< 206-207 PMIC 2 Manufacturer ID Code
> + SPD5_MODULE_DEVICE_TYPE Pmic2DeviceType; ///< 208 PMIC 2 Device Type
> + SPD5_REVISION_STRUCT Pmic2RevisionNumber; ///< 209 PMIC 2 Revision Number
> + SPD5_MANUFACTURER_ID_CODE ThermalSensorManufacturer; ///< 210-211 Thermal Sensor Manufacturer ID Code
> + SPD5_MODULE_DEVICE_TYPE ThermalSensorDeviceType; ///< 212 Thermal Sensor Revision Number
> + SPD5_REVISION_STRUCT ThermalSensorRevisionNumber; ///< 213 Thermal Sensor Revision Number
> + UINT8 Reserved0[229 - 214 + 1]; ///< 214-229 Reserved
> + SPD5_MODULE_NOMINAL_HEIGHT ModuleNominalHeight; ///< 230 Module Nominal Height
> + SPD5_MODULE_NOMINAL_THICKNESS ModuleMaximumThickness; ///< 231 Module Maximum Thickness
> + SPD5_MODULE_REFERENCE_RAW_CARD ReferenceRawCardUsed; ///< 232 Reference Raw Card Used
> + SPD5_MODULE_DIMM_ATTRIBUTES DimmAttributes; ///< 233 DIMM Attributes
> + SPD5_MODULE_ORGANIZATION ModuleOrganization; ///< 234 Module Organization
> + SPD5_MEMORY_CHANNEL_BUS_WIDTH MemoryChannelBusWidth; ///< 235 Memory Channel Bus Width
> + UINT8 Reserved1[239 - 236 + 1]; ///< 236-239 Reserved
> +} SPD5_MODULE_COMMON;
> +
> + STATIC_ASSERT (sizeof (SPD5_MODULE_COMMON) == 48, "sizeof (SPD5_MODULE_COMMON) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + UINT8 Reserved[447 - 240 + 1]; ///< 240-447 Reserved
> +} SPD5_MODULE_SOLDER_DOWN;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_SOLDER_DOWN) == 208, "sizeof (SPD5_MODULE_SOLDER_DOWN) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE ClockDriverManufacturerId; ///< 240-241 Clock Driver Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT ClockDriverDeviceType; ///< 242 Clock Driver Device Type
> + SPD5_REVISION_STRUCT ClockDriverRevisionNumber; ///< 243 Clock Driver Revision Number
> + UINT8 Reserved[447 - 244 + 1];
> +} SPD5_MODULE_UNBUFFERED;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_UNBUFFERED) == 208, "sizeof (SPD5_MODULE_UNBUFFERED) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
> + SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
> + UINT8 RcdRw08ClockDriverEnable; ///< 248 RCD-RW08 Clock Driver Enable
> + UINT8 RcdRw09OutputAddressAndControlEnable; ///< 249 RCD-RW09 Output Address and Control Enable
> + UINT8 RcdRw0AQckDriverCharacteristics; ///< 250 RCD-RW0A QCK Driver Characteristics
> + UINT8 RcdRw0B; ///< 251 RCD-RW0B
> + UINT8 RcdRw0CQxCaAndQcsnDriverCharacteristics; ///< 252 RCD-RW0C QxCA and QxCS_n Driver Characteristics
> + UINT8 RcdRw0DDataBufferInterfaceDriverCharacteristics; ///< 253 RCD-RW0D Data Buffer Interface Driver Characteristics
> + UINT8 RcdRw0EQckQcaAndQcsOutputSlewRate; ///< 254 RCD-RW0E QCK, QCA and QCS Output Slew Rate
> + UINT8 RcdRw0FBckBcomAndBcsOutputSlewRate; ///< 255 RCD-RW0F BCK, BCOM, and BCS Output Slew Rate
> + UINT8 DbRw86DqsRttParkTermination; ///< 256 DB-RW86 DQS RTT Park Termination
> + UINT8 Reserved[447 - 257 + 1]; ///< 257-447 Reserved
> +} SPD5_MODULE_REGISTERED;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_REGISTERED) == 208, "sizeof (SPD5_MODULE_REGISTERED) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE MultiplexRegisteringClockDriverManufacturerId; ///< 240-241 Multiplex Registering Clock Driver Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
> + SPD5_MANUFACTURER_ID_CODE MultiplexDataBufferManufacturerId; ///< 244-245 Multiplex Data Buffer Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
> + UINT8 Reserved[447 - 248 + 1]; ///< 248-447 Reserved
> +} SPD5_MODULE_MULTIPLEXED_RANK;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_MULTIPLEXED_RANK) == 208, "sizeof (SPD5_MODULE_MULTIPLEXED_RANK) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE DifferentialMemoryBufferManufacturerId; ///< 240-241 Differential Memory Buffer Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT DifferentialMemoryBufferDeviceType; ///< 242 Differential Memory Buffer Device Type
> + SPD5_REVISION_STRUCT DifferentialMemoryBufferRevisionNumber; ///< 243 Differential Memory Buffer Revision Number
> + UINT8 Reserved[447 - 244 + 1]; ///< 244-447 Reserved
> +} SPD5_MODULE_DIFFERENTIAL;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_DIFFERENTIAL) == 208, "sizeof (SPD5_MODULE_DIFFERENTIAL) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
> + SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
> + UINT8 Reserved[447 - 248 + 1]; ///< 248-447 Reserved
> +} SPD5_MODULE_NVDIMM_N;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_N) == 208, "sizeof (SPD5_MODULE_NVDIMM_N) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId; ///< 240-241 Registering Clock Driver Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///< 242 Register Device Type
> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///< 243 Register Revision Number
> + SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId; ///< 244-245 Data Buffer Manufacturer ID Code
> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///< 246 Data Buffer Device Type
> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///< 247 Data Buffer Revision Number
> + UINT8 ModuleStorageCapacity[2]; ///< 248-249 Module Storage Capacity
> + UINT8 ProtocolProfile; ///< 250 Protocol Profile
> + UINT8 Reserved[447 - 251 + 1]; ///< 251-447 Reserved
> +} SPD5_MODULE_NVDIMM_P;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_P) == 208, "sizeof (SPD5_MODULE_NVDIMM_P) does not match DDR5 SPD 1.1 specification");
> +
> +typedef union {
> + SPD5_MODULE_SOLDER_DOWN SolderDown; ///< 240-447 Solder Down Memory Module Types
> + SPD5_MODULE_UNBUFFERED Unbuffered; ///< 240-447 Unbuffered Memory Module Types
> + SPD5_MODULE_REGISTERED Registered; ///< 240-447 Registered Memory Module Types
> + SPD5_MODULE_MULTIPLEXED_RANK MultiplexedRank; ///< 240-447 Mutiplexed Rank Memory Module Types
> + SPD5_MODULE_DIFFERENTIAL Differential; ///< 240-447 Differentual (DDR-D) Memory Module Types
> + SPD5_MODULE_NVDIMM_N NvDimmN; ///< 240-447 Non-Volatile (NVDIMM-N) Hybrid Memory Parameters
> + SPD5_MODULE_NVDIMM_P NvDimmP; ///< 240-447 Non-Volatile (NVDIMM-P) Hybrid Memory Parameters
> +} SPD5_MODULE_SPECIFIC;
> +
> +STATIC_ASSERT (sizeof (SPD5_MODULE_SPECIFIC) == 208, "sizeof (SPD5_MODULE_SPECIFIC) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + UINT8 ManufacturerSpecificData[639 - 555 + 1]; ///< 639-555 Manufacturer's Specific Data
> +} SPD5_MANUFACTURER_SPECIFIC;
> +
> +STATIC_ASSERT (sizeof (SPD5_MANUFACTURER_SPECIFIC) == 85, "sizeof (SPD5_MANUFACTURER_SPECIFIC) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + UINT8 Year; ///< Year represented in BCD (00h = 2000)
> + UINT8 Week; ///< Year represented in BCD (47h = week 47)
> +} SPD5_MANUFACTURING_DATE;
> +
> +typedef union {
> + UINT32 SerialNumber32; ///< 517-520 Serial Number
> + UINT16 SerialNumber16[2];
> + UINT8 SerialNumber8[4];
> +} SPD5_MANUFACTURER_SERIAL_NUMBER;
> +
> +typedef struct {
> + UINT8 ModulePartNumber[550 - 521 + 1]; ///< 521-550 Module Part Number
> +} SPD5_MODULE_PART_NUMBER;
> +
> +typedef UINT8 SPD5_MANUFACTURING_LOCATION; ///< 514 Module Manufacturing Location
> +typedef UINT8 SPD5_MODULE_REVISION_CODE; ///< 551 Module Revision Code
> +typedef UINT8 SPD5_DRAM_STEPPING; ///< 554 DRAM Stepping
> +
> +typedef struct {
> + SPD5_MANUFACTURER_ID_CODE ModuleManufacturer; ///< 512-513 Module Manufacturer ID Code
> + SPD5_MANUFACTURING_LOCATION ModuleManufacturingLocation; ///< 514 Module Manufacuring Location
> + SPD5_MANUFACTURING_DATE ModuleManufacturingDate; ///< 515-516 Module Manufacturing Date
> + SPD5_MANUFACTURER_SERIAL_NUMBER ModuleSerialNumber; ///< 517-520 Module Serial Number
> + SPD5_MODULE_PART_NUMBER ModulePartNumber; ///< 521-550 Module Part Number
> + SPD5_MODULE_REVISION_CODE ModuleRevisionCode; ///< 551 Module Revision Code
> + SPD5_MANUFACTURER_ID_CODE DramManufacturer; ///< 552-553 DRAM Manufacturer ID Code
> + SPD5_DRAM_STEPPING DramStepping; ///< 554 DRAM Stepping
> + SPD5_MANUFACTURER_SPECIFIC ManufacturerSpecificData; ///< 555-639 Manufacturer's Specific Data
> +} SPD5_MANUFACTURING_DATA;
> +
> +STATIC_ASSERT (sizeof (SPD5_MANUFACTURING_DATA) == 128, "sizeof (SPD5_MANUFACTURING_DATA) does not match DDR5 SPD 1.1 specification");
> +
> +typedef struct {
> + UINT8 EndUserBytes[1023 - 640 + 1]; ///< 640-1023 End User Programmable Bytes
> +} SPD5_END_USER_SECTION;
> +
> +STATIC_ASSERT (sizeof (SPD5_END_USER_SECTION) == 384, "sizeof (SPD5_END_USER_SECTION) does not match DDR5 SPD 1.1 specification");
> +
> +///
> +/// DDR5 Serial Presence Detect structure
> +///
> +typedef struct {
> + SPD5_BASE_SECTION Base; ///< 0-127 Base Configuration and DRAM Parameters
> + UINT8 Reserved0[191 - 128 + 1]; ///< 128-191 Reserved
> + SPD5_MODULE_COMMON Common; ///< 192-239 Common Module Parameters
> + SPD5_MODULE_SPECIFIC Module; ///< 240-447 Module Type Specific Information
> + UINT8 Reserved1[509 - 448 + 1]; ///< 448-509 Reserved for future use
> + UINT8 Crc[2]; ///< 510-511 CRC for bytes 0-509
> + SPD5_MANUFACTURING_DATA ManufacturerInfo; ///< 512-639 Manufacturing Information
> + SPD5_END_USER_SECTION EndUser; ///< 640-1023 End User Programmable
> +} SPD_DDR5;
> +
> +STATIC_ASSERT (sizeof (SPD_DDR5) == 1024, "sizeof (SPD_DDR5) does not match DDR5 SPD 1.1 specification");
> +
> +#pragma pack (pop)
> +
> +#endif /* SPD_DDR5_H_ */
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [edk2-devel] [PATCH v2 1/1] MdePkg: Add DDR5 SPD defs to IndustryStandard per JESD400-5A.01
2023-02-14 21:47 ` Rebecca Cran
@ 2023-04-07 16:58 ` Rebecca Cran
[not found] ` <1753B59497187A55.4032@groups.io>
1 sibling, 0 replies; 4+ messages in thread
From: Rebecca Cran @ 2023-04-07 16:58 UTC (permalink / raw)
To: devel; +Cc: Michael D Kinney, Zhiguang Liu, Liming Gao
Could I get some reviews on this please? It was sent out back in February.
I'm not sure how we should solve the CI breakage, since as I noted in
the v1 revision it contains fields that begin with a lower-case letter
following the style of the DDR4 header
(https://github.com/tianocore/edk2/blob/master/MdePkg/Include/IndustryStandard/SdramSpdDdr4.h).
--
Rebecca Cran
On 2/14/23 2:47 PM, Rebecca Cran wrote:
> +Liming
>
> On 2/14/23 08:36, Rebecca Cran wrote:
>> Copying the style of SdramSpdDdr4.h, add DDR5 SPD definitions to
>> SpdDdr5.h per JEDEC JESD400-5A.01 specification
>> (https://www.jedec.org/standards-documents/docs/jesd400-5a01).
>>
>> Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
>> Cc: Liming Gao <liming.gao@intel.com>
>> Cc: Michael D Kinney <michael.d.kinney@intel.com>
>> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
>> ---
>> MdePkg/Include/IndustryStandard/SpdDdr5.h | 539 ++++++++++++++++++++++
>> 1 file changed, 539 insertions(+)
>> create mode 100644 MdePkg/Include/IndustryStandard/SpdDdr5.h
>>
>> diff --git a/MdePkg/Include/IndustryStandard/SpdDdr5.h
>> b/MdePkg/Include/IndustryStandard/SpdDdr5.h
>> new file mode 100644
>> index 000000000000..0646064ea0fd
>> --- /dev/null
>> +++ b/MdePkg/Include/IndustryStandard/SpdDdr5.h
>> @@ -0,0 +1,539 @@
>> +/** @file
>> + This file contains definitions for DDR5 SPD.
>> +
>> + Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights
>> reserved.<BR>
>> + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
>> + SPDX-License-Identifier: BSD-2-Clause-Patent
>> +
>> + @par Revision Reference:
>> + - DDR5 Serial Presence Detect (SPD), Document Release 1.1 (Jan
>> 2023)
>> + https://www.jedec.org/standards-documents/docs/jesd400-5a01
>> +**/
>> +
>> +#ifndef SPD_DDR5_H_
>> +#define SPD_DDR5_H_
>> +
>> +#pragma pack (push, 1)
>> +
>> +typedef union {
>> + struct {
>> + UINT8 BetaLevel3_0 : 4; ///< Bits 3:0
>> + UINT8 BytesTotal : 3; ///< Bits 6:4
>> + UINT8 BetaLevel4 : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_DEVICE_DESCRIPTION_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Minor : 4; ///< Bits 3:0
>> + UINT8 Major : 4; ///< Bits 7:4
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_REVISION_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Type : 8; ///< Bits 7:0
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_DEVICE_TYPE_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 ModuleType : 4; ///< Bits 3:0
>> + UINT8 HybridMedia : 3; ///< Bits 6:4
>> + UINT8 Hybrid : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_TYPE_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Density : 5; ///< Bits 4:0
>> + UINT8 Die : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_DENSITY_PACKAGE_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 RowAddress : 5; ///< Bits 4:0
>> + UINT8 ColumnAddress : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_ADDRESSING_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Reserved : 5; ///< Bits 4:0
>> + UINT8 IoWidth : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_IO_WIDTH_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 BanksPerBankGroup : 3; ///< Bits 2:0
>> + UINT8 Reserved : 2; ///< Bits 4:3
>> + UINT8 BankGroups : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_BANKS_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Reserved0 : 1; ///< Bits 0:0
>> + UINT8 Mbist_mPpr : 1; ///< Bits 1:1
>> + UINT8 Reserved1 : 2; ///< Bits 3:2
>> + UINT8 BL32 : 1; ///< Bits 4:4
>> + UINT8 SPprUndo_Lock : 1; ///< Bits 5:5
>> + UINT8 Reserved2 : 1; ///< Bits 6:6
>> + UINT8 SPprGranularity : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 DcaTypesSupported : 2; ///< Bits 1:0
>> + UINT8 Reserved0 : 2; ///< Bits 3:2
>> + UINT8 Pasr : 1; ///< Bits 4:4
>> + UINT8 Reserved1 : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_DCA_AND_PASR_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 BoundedFault : 1; ///< Bits 0:0
>> + UINT8 x4RmwEcsWbSuppressionMrSelector : 1; ///< Bits 1:1
>> + UINT8 x4RmwEcsWriteBackSuppresion : 1; ///< Bits 2:2
>> + UINT8 WideTemperatureSense : 1; ///< Bits 3:3
>> + UINT8 Reserved : 4; ///< Bits 7:4
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Endurant : 2; ///< Bits 1:0
>> + UINT8 Operational : 2; ///< Bits 3:2
>> + UINT8 Nominal : 4; ///< Bits 7:4
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 NonStandardCoreTimings : 1; ///< Bits 0:0
>> + UINT8 Reserved : 7; ///< Bits 7:1
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_SDRAM_TIMINGS_STRUCT;
>> +
>> +typedef struct {
>> + UINT8 Lsb;
>> + UINT8 Msb;
>> +} SPD5_SDRAM_T_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT32 Cl20 : 1; ///< Bits 0:0
>> + UINT32 Cl22 : 1; ///< Bits 1:1
>> + UINT32 Cl24 : 1; ///< Bits 2:2
>> + UINT32 Cl26 : 1; ///< Bits 3:3
>> + UINT32 Cl28 : 1; ///< Bits 4:4
>> + UINT32 Cl30 : 1; ///< Bits 5:5
>> + UINT32 Cl32 : 1; ///< Bits 6:6
>> + UINT32 Cl34 : 1; ///< Bits 7:7
>> + UINT32 Cl36 : 1; ///< Bits 8:8
>> + UINT32 Cl38 : 1; ///< Bits 9:9
>> + UINT32 Cl40 : 1; ///< Bits 10:10
>> + UINT32 Cl42 : 1; ///< Bits 11:11
>> + UINT32 Cl44 : 1; ///< Bits 12:12
>> + UINT32 Cl46 : 1; ///< Bits 13:13
>> + UINT32 Cl48 : 1; ///< Bits 14:14
>> + UINT32 Cl50 : 1; ///< Bits 15:15
>> + UINT32 Cl52 : 1; ///< Bits 16:16
>> + UINT32 Cl54 : 1; ///< Bits 17:17
>> + UINT32 Cl56 : 1; ///< Bits 18:18
>> + UINT32 Cl58 : 1; ///< Bits 19:19
>> + UINT32 Cl60 : 1; ///< Bits 20:20
>> + UINT32 Cl62 : 1; ///< Bits 21:21
>> + UINT32 Cl64 : 1; ///< Bits 22:22
>> + UINT32 Cl66 : 1; ///< Bits 23:23
>> + UINT32 Cl68 : 1; ///< Bits 24:24
>> + UINT32 Cl70 : 1; ///< Bits 25:25
>> + UINT32 Cl72 : 1; ///< Bits 26:26
>> + UINT32 Cl74 : 1; ///< Bits 27:27
>> + UINT32 Cl76 : 1; ///< Bits 28:28
>> + UINT32 Cl78 : 1; ///< Bits 29:29
>> + UINT32 Cl80 : 1; ///< Bits 30:30
>> + UINT32 Cl82 : 1; ///< Bits 31:31
>> + } Byte0_3;
>> + struct {
>> + UINT8 Cl84 : 1; ///< Bits 0:0
>> + UINT8 Cl86 : 1; ///< Bits 1:1
>> + UINT8 Cl88 : 1; ///< Bits 2:2
>> + UINT8 Cl90 : 1; ///< Bits 3:3
>> + UINT8 Cl92 : 1; ///< Bits 4:4
>> + UINT8 Cl94 : 1; ///< Bits 5:5
>> + UINT8 Cl96 : 1; ///< Bits 6:6
>> + UINT8 Cl98 : 1; ///< Bits 7:7
>> + } Byte4;
>> + UINT8 Data8[5];
>> +} SPD5_CAS_LATENCIES_SUPPORTED_STRUCT;
>> +
>> +typedef union {
>> + struct {
>> + UINT16 RfmRequired : 1; ///< Bits 0:0
>> + UINT16 Raaimt : 4; ///< Bits 4:1
>> + UINT16 Raammt : 3; ///< Bits 7:5
>> + UINT16 DrfmSupported : 1; ///< Bits 8:8
>> + UINT16 RecommendedBoundedRefreshCfg : 2; ///< Bits 10:9
>> + UINT16 BrcSupportLevel : 1; ///< Bits 11:11
>> + UINT16 ArfmLevel : 2; ///< Bits 13:12
>> + UINT16 RfmRaaCounterDecPerRefCmd : 2; ///< Bits 15:14
>> + } Bits;
>> + UINT16 Data;
>> +} SPD5_REFRESH_MANAGEMENT_STRUCT;
>> +
>> +typedef struct {
>> + SPD5_DEVICE_DESCRIPTION_STRUCT
>> Description; ///< 0 Number of Bytes in
>> SPD Device and Beta Level
>> + SPD5_REVISION_STRUCT Revision; ///<
>> 1 SPD Revision for Base Configuration Parameters
>> + SPD5_DEVICE_TYPE_STRUCT HostBusCommandProtocolType; ///<
>> 2 Host Bus Command Protocol Type
>> + SPD5_MODULE_TYPE_STRUCT ModuleType; ///<
>> 3 Module Type
>> + SPD5_SDRAM_DENSITY_PACKAGE_STRUCT
>> FirstSdramDensityAndPackage; ///< 4 First SDRAM Density
>> and Package
>> + SPD5_SDRAM_ADDRESSING_STRUCT FirstSdramAddressing;
>> ///< 5 First SDRAM Addressing
>> + SPD5_SDRAM_IO_WIDTH_STRUCT FirstSdramIoWidth;
>> ///< 6 First SDRAM I/O Width
>> + SPD5_SDRAM_BANKS_STRUCT FirstSdramBanks; ///<
>> 7 First SDRAM Bank Groups and Banks Per Bank Group
>> + SPD5_SDRAM_DENSITY_PACKAGE_STRUCT
>> SecondSdramDensityAndPackage; ///< 8 Second SDRAM
>> Density and Package
>> + SPD5_SDRAM_ADDRESSING_STRUCT SecondSdramAddressing;
>> ///< 9 Second SDRAM Addressing
>> + SPD5_SDRAM_IO_WIDTH_STRUCT SecondSdramIoWidth;
>> ///< 10 Second SDRAM I/O Width
>> + SPD5_SDRAM_BANKS_STRUCT SecondSdramBanks; ///<
>> 11 Second SDRAM Bank Groups and Banks Per Bank Group
>> + SPD5_SDRAM_BL32_POST_PACKAGE_REPAIR_STRUCT
>> SdramBl32AndPostPackageRepair; ///< 12 SDRAM BL32 and Post
>> Package Repair
>> + SPD5_SDRAM_DCA_AND_PASR_STRUCT
>> SdramDcaAndPasr; ///< 13 SDRAM Duty Cycle
>> Adjuster and Partial Array Self Refresh
>> + SPD5_SDRAM_FAULT_HANDLING_TEMP_SENSE_STRUCT
>> SdramFaultHandlingAndTempSense; ///< 14 SDRAM Fault
>> Handling and Temperature Sense
>> + UINT8 Reserved0; ///< 15 Reserved
>> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT
>> ModuleNominalVoltageVdd; ///< 16 SDRAM Nominal
>> Voltage, VDD
>> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT
>> ModuleNominalVoltageVddq; ///< 17 SDRAM Nominal
>> Voltage, VDDQ
>> + SPD5_MODULE_NOMINAL_VOLTAGE_STRUCT
>> ModuleNominalVoltageVpp; ///< 18 SDRAM Nominal
>> Voltage, VPP
>> + SPD5_SDRAM_TIMINGS_STRUCT SdramUsesNonStandardTimings;
>> ///< 19 SDRAM Timing
>> + SPD5_SDRAM_T_STRUCT tCKavgMin; ///<
>> 20-21 SDRAM Minimum Cycle Time (tCK_avg_min)
>> + SPD5_SDRAM_T_STRUCT tCKavgMax; ///<
>> 22-23 SDRAM Maximum Cycle Time (tCK_avg_max)
>> + SPD5_CAS_LATENCIES_SUPPORTED_STRUCT
>> CasLatenciesSupported; ///< 24-28 SDRAM CAS Latenies
>> Supported
>> + UINT8 Reserved1; ///< 29 Reserved
>> + SPD5_SDRAM_T_STRUCT tAA; ///<
>> 30-31 SDRAM Read Command to First Data (tAA)
>> + SPD5_SDRAM_T_STRUCT tRCD; ///<
>> 32-33 SDRAM Activate to Read or Write Command Delay (tRCD)
>> + SPD5_SDRAM_T_STRUCT tRP; ///<
>> 34-35 SDRAM Row Precharge Time (tRP)
>> + SPD5_SDRAM_T_STRUCT tRAS; ///<
>> 36-37 SDRAM Activate to Precharge Command Period (tRAS)
>> + SPD5_SDRAM_T_STRUCT tRC; ///<
>> 38-39 SDRAM Activate to Activate or Refresh Command Period (tRC)
>> + SPD5_SDRAM_T_STRUCT tWR; ///<
>> 40-41 SDRAM Write Recovery Time (tWR)
>> + SPD5_SDRAM_T_STRUCT tRFC1_tRFC1Slr; ///<
>> 42-43 SDRAM Normal Refresh Recovery Time (tRFC1, tRFC1_slr)
>> + SPD5_SDRAM_T_STRUCT tRFC2_tRFC2Slr; ///<
>> 44-45 SDRAM Fine Granularity Refresh Recovery Time (tRFC2, tRFC2_slr)
>> + SPD5_SDRAM_T_STRUCT tRFCsb_tRFCsbSlr; ///<
>> 46-47 SDRAM Same Bank Refresh Recovery Time (tRFC_sb, tRFC_sb_slr)
>> + SPD5_SDRAM_T_STRUCT tRFC1Dlr; ///<
>> 48-49 SDRAM Normal Refresh Recovery Time, 3DS Different Logical Rank
>> (tRFC1_dlr)
>> + SPD5_SDRAM_T_STRUCT tRFC2Dlr; ///<
>> 50-51 SDRAM Fine Granularity Refresh Recovery Time, 3DS Different
>> Logical Rank (tRFC2_dir)
>> + SPD5_SDRAM_T_STRUCT tRFCsbDir; ///<
>> 52-53 SDRAM Same Bank Refresh Recovery Time, 3DS Different Logical
>> Rank (tRFC_sb_dlr)
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> FirstSdramRefreshManagement; ///< 54-55 SDRAM Refresh
>> Management, First SDRAM
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> SecondSdramRefreshManagement; ///< 56-57 SDRAM Refresh
>> Management, Second SDRAM
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> FirstSdramAdaptiveRefreshMgmtLevelA; ///< 58-59 SDRAM Adaptive
>> Refresh Management, First DRAM, ARFM Level A
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> SecondSdramAdaptiveRefreshMgmtLevelA; ///< 60-61 SDRAM Adaptive
>> Refresh Management, Second SDRAM, ARFM Level A
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> FirstSdramAdaptiveRefreshMgmtLevelB; ///< 62-63 SDRAM Adaptive
>> Refresh Management, First SDRAM, ARFM Level B
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> SecondSdramAdaptiveRefreshMgmtLevelB; ///< 64-65 SDRAM Adaptive
>> Refresh Management, Second SDRAM, ARFM Level B
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> FirstSdramAdaptiveRefreshMgmtLevelC; ///< 66-67 SDRAM Adaptive
>> Refresh Management, First SDRAM, ARFM Level C
>> + SPD5_REFRESH_MANAGEMENT_STRUCT
>> SecondSdramAdaptiveRefreshMgmtLevelC; ///< 68-69 SDRAM Adaptive
>> Refresh Management, Second SDRAM, ARFM Level C
>> + SPD5_SDRAM_T_STRUCT tRRD_L; ///<
>> 70-71 SDRAM Activate to Activate Command Delay for Same Bank Group
>> (tRRD_L)
>> + UINT8 tRRD_L_LowerClockLimit; ///< 72 SDRAM
>> Activate to Activate Command Delay for Same Bank Group, Lower Clock
>> Limit
>> + SPD5_SDRAM_T_STRUCT tCCD_L; ///<
>> 73-74 SDRAM Read to Read Command Delay for Same Bank Group (tCCD_L)
>> + UINT8 tCCD_L_LowerClockLimit; ///< 75 SDRAM Read
>> to Read Command Delay for Same Bank Group, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tCCD_L_WR; ///<
>> 76-77 SDRAM Write to Write Command Delay for Same Bank Group
>> (tCCD_L_WR)
>> + UINT8 tCCD_L_WR_LowerClockLimit; ///< 78 SDRAM
>> Write to Write Command Delay for Same Bank Group, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tCCD_L_WR2; ///<
>> 79-80 SDRAM Write to Write Command Delay for Same Bank Group, Second
>> Write not RMW (tCCD_L_WR2)
>> + UINT8 tCCD_L_WR2_LowerClockLimit; ///< 81 SDRAM
>> Write to Write Command Delay for Same Bank Group, Second Write not
>> RMW, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tFAW; ///<
>> 82-83 SDRAM Four Activate Window (tFAW)
>> + UINT8 tFAW_LowerClockLimit; ///< 84 SDRAM Four
>> Activate Window, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tCCD_L_WTR; ///<
>> 85-86 SDRAM Write to Read Command Delay for Same Bank (tCCD_L_WTR)
>> + UINT8 tCCD_L_WTR_LowerClockLimit; ///< 87 SDRAM
>> Write to Read Command Delay for Same Bank, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tCCD_S_WTR; ///<
>> 88-89 SDRAM Write to Read Command Delay for Different Bank Group
>> (tCCD_S_WTR)
>> + UINT8 tCCD_S_WTR_LowerClockLimit; ///< 90 SDRAM
>> Write to Read Command Delay for Different Bank Group, Lower Clock Limit
>> + SPD5_SDRAM_T_STRUCT tRTP_tRTPslr; ///<
>> 91-92 SDRAM Read to Precharge Command Delay (tRTP, tRTP_slr)
>> + UINT8 tRTP_tRTPslr_LowerClockLimit; ///< 93 SDRAM Read
>> to Precharge Command Delay, Lower Clock Limit
>> + UINT8 Reserved2[127 - 94 +
>> 1]; ///< 94-127 Reserved
>> +} SPD5_BASE_SECTION;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_BASE_SECTION) == 128, "sizeof
>> (SPD5_BASE_SECTION) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef union {
>> + struct {
>> + UINT8 SerialNumberHashingSequence : 3; ///< Bits 2:0
>> + UINT8 Reserved : 5; ///< Bits 7:3
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_HASHING_SEQUENCE;
>> +
>> +typedef union {
>> + struct {
>> + UINT16 ContinuationCount : 7; ///< Bits 6:0
>> + UINT16 ContinuationParity : 1; ///< Bits 7:7
>> + UINT16 LastNonZeroByte : 8; ///< Bits 15:8
>> + } Bits;
>> + UINT16 Data;
>> + UINT8 Data8[2];
>> +} SPD5_MANUFACTURER_ID_CODE;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 DeviceType : 4; ///< Bits 3:0
>> + UINT8 Reserved0 : 2; ///< Bits 5:4
>> + UINT8 Rsvd_TempSensor : 1; ///< Bits 6:6
>> + UINT8 DeviceInstalled : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_DEVICE_TYPE;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Height : 5; ///< Bits 4:0
>> + UINT8 Reserved : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_NOMINAL_HEIGHT;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 FrontThickness : 4; ///< Bits 3:0
>> + UINT8 BackThickness : 4; ///< Bits 7:4
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_NOMINAL_THICKNESS;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Card : 5; ///< Bits 4:0
>> + UINT8 Revision : 3; ///< Bits 7:5
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_REFERENCE_RAW_CARD;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 DramRowCount : 2; ///< Bits 1:0
>> + UINT8 HeatSpreader : 1; ///< Bits 2:2
>> + UINT8 Reserved : 1; ///< Bits 3:3
>> + UINT8 OperatingTempRange : 4; ///< Bits 7:4
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_DIMM_ATTRIBUTES;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 Reserved0 : 3; ///< Bits 2:0
>> + UINT8 PackageRanksCount : 3; ///< Bits 5:3
>> + UINT8 RankMix : 1; ///< Bits 6:6
>> + UINT8 Reserved1 : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MODULE_ORGANIZATION;
>> +
>> +typedef union {
>> + struct {
>> + UINT8 PrimaryBusWidthPerSubChannel : 3; ///< Bits 2:0
>> + UINT8 BusWidthExtensionPerSubChannel : 2; ///< Bits 4:3
>> + UINT8 SubChannelsPerDimmCount : 2; ///< Bits 6:5
>> + UINT8 Reserved : 1; ///< Bits 7:7
>> + } Bits;
>> + UINT8 Data;
>> +} SPD5_MEMORY_CHANNEL_BUS_WIDTH;
>> +
>> +
>> +typedef struct {
>> + SPD5_REVISION_STRUCT SpdRevisionBytes192_447; ///<
>> 192 SPD Revision for SPD bytes 192-447
>> + SPD5_HASHING_SEQUENCE HashingSequence; ///< 193
>> Hashing Sequence
>> + SPD5_MANUFACTURER_ID_CODE SpdManufacturer; ///< 194-195 SPD
>> Manufacturer ID Code
>> + SPD5_MODULE_DEVICE_TYPE SpdDeviceType; ///< 196 SPD
>> Device Type
>> + SPD5_REVISION_STRUCT SpdRevisionNumber; ///< 197
>> SPD Device Revision Number
>> + SPD5_MANUFACTURER_ID_CODE Pmic0Manufacturer; ///< 198-199
>> PMIC 0 Manufacturer ID Code
>> + SPD5_MODULE_DEVICE_TYPE Pmic0DeviceType; ///< 200 PMIC
>> 0 Device Type
>> + SPD5_REVISION_STRUCT Pmic0RevisionNumber; ///< 201
>> PMIC 0 Revision Number
>> + SPD5_MANUFACTURER_ID_CODE Pmic1Manufacturer; ///< 202-203
>> PMIC 1 Manufacturer ID Code
>> + SPD5_MODULE_DEVICE_TYPE Pmic1DeviceType; ///< 204 PMIC
>> 1 Device Type
>> + SPD5_REVISION_STRUCT Pmic1RevisionNumber; ///< 205
>> PMIC 1 Revision Number
>> + SPD5_MANUFACTURER_ID_CODE Pmic2Manufacturer; ///< 206-207
>> PMIC 2 Manufacturer ID Code
>> + SPD5_MODULE_DEVICE_TYPE Pmic2DeviceType; ///< 208 PMIC
>> 2 Device Type
>> + SPD5_REVISION_STRUCT Pmic2RevisionNumber; ///< 209
>> PMIC 2 Revision Number
>> + SPD5_MANUFACTURER_ID_CODE ThermalSensorManufacturer; ///<
>> 210-211 Thermal Sensor Manufacturer ID Code
>> + SPD5_MODULE_DEVICE_TYPE ThermalSensorDeviceType; ///<
>> 212 Thermal Sensor Revision Number
>> + SPD5_REVISION_STRUCT ThermalSensorRevisionNumber; ///<
>> 213 Thermal Sensor Revision Number
>> + UINT8 Reserved0[229 - 214 + 1]; ///<
>> 214-229 Reserved
>> + SPD5_MODULE_NOMINAL_HEIGHT ModuleNominalHeight; ///< 230
>> Module Nominal Height
>> + SPD5_MODULE_NOMINAL_THICKNESS ModuleMaximumThickness; ///<
>> 231 Module Maximum Thickness
>> + SPD5_MODULE_REFERENCE_RAW_CARD ReferenceRawCardUsed; ///< 232
>> Reference Raw Card Used
>> + SPD5_MODULE_DIMM_ATTRIBUTES DimmAttributes; ///< 233 DIMM
>> Attributes
>> + SPD5_MODULE_ORGANIZATION ModuleOrganization; ///< 234
>> Module Organization
>> + SPD5_MEMORY_CHANNEL_BUS_WIDTH MemoryChannelBusWidth; ///<
>> 235 Memory Channel Bus Width
>> + UINT8 Reserved1[239 - 236 + 1]; ///<
>> 236-239 Reserved
>> +} SPD5_MODULE_COMMON;
>> +
>> + STATIC_ASSERT (sizeof (SPD5_MODULE_COMMON) == 48, "sizeof
>> (SPD5_MODULE_COMMON) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + UINT8 Reserved[447 - 240 + 1]; ///< 240-447 Reserved
>> +} SPD5_MODULE_SOLDER_DOWN;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_SOLDER_DOWN) == 208, "sizeof
>> (SPD5_MODULE_SOLDER_DOWN) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE ClockDriverManufacturerId; ///< 240-241
>> Clock Driver Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT ClockDriverDeviceType; ///< 242
>> Clock Driver Device Type
>> + SPD5_REVISION_STRUCT ClockDriverRevisionNumber; ///< 243
>> Clock Driver Revision Number
>> + UINT8 Reserved[447 - 244 + 1];
>> +} SPD5_MODULE_UNBUFFERED;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_UNBUFFERED) == 208, "sizeof
>> (SPD5_MODULE_UNBUFFERED) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE
>> RegisteringClockDriverManufacturerId; ///< 240-241
>> Registering Clock Driver Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT
>> RegisterDeviceType; ///< 242 Register
>> Device Type
>> + SPD5_REVISION_STRUCT
>> RegisterRevisionNumber; ///< 243 Register
>> Revision Number
>> + SPD5_MANUFACTURER_ID_CODE
>> DataBufferManufacturerId; ///< 244-245 Data
>> Buffer Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT
>> DataBufferDeviceType; ///< 246 Data Buffer
>> Device Type
>> + SPD5_REVISION_STRUCT
>> DataBufferRevisionNumber; ///< 247 Data Buffer
>> Revision Number
>> + UINT8 RcdRw08ClockDriverEnable; ///< 248
>> RCD-RW08 Clock Driver Enable
>> + UINT8 RcdRw09OutputAddressAndControlEnable; ///< 249
>> RCD-RW09 Output Address and Control Enable
>> + UINT8 RcdRw0AQckDriverCharacteristics; ///< 250
>> RCD-RW0A QCK Driver Characteristics
>> + UINT8 RcdRw0B; ///< 251
>> RCD-RW0B
>> + UINT8 RcdRw0CQxCaAndQcsnDriverCharacteristics; ///< 252
>> RCD-RW0C QxCA and QxCS_n Driver Characteristics
>> + UINT8 RcdRw0DDataBufferInterfaceDriverCharacteristics; ///< 253
>> RCD-RW0D Data Buffer Interface Driver Characteristics
>> + UINT8 RcdRw0EQckQcaAndQcsOutputSlewRate; ///< 254
>> RCD-RW0E QCK, QCA and QCS Output Slew Rate
>> + UINT8 RcdRw0FBckBcomAndBcsOutputSlewRate; ///< 255
>> RCD-RW0F BCK, BCOM, and BCS Output Slew Rate
>> + UINT8 DbRw86DqsRttParkTermination; ///< 256
>> DB-RW86 DQS RTT Park Termination
>> + UINT8 Reserved[447 - 257 +
>> 1]; ///< 257-447 Reserved
>> +} SPD5_MODULE_REGISTERED;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_REGISTERED) == 208, "sizeof
>> (SPD5_MODULE_REGISTERED) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE
>> MultiplexRegisteringClockDriverManufacturerId; ///< 240-241
>> Multiplex Registering Clock Driver Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT
>> RegisterDeviceType; ///< 242 Register
>> Device Type
>> + SPD5_REVISION_STRUCT
>> RegisterRevisionNumber; ///< 243 Register
>> Revision Number
>> + SPD5_MANUFACTURER_ID_CODE
>> MultiplexDataBufferManufacturerId; ///< 244-245
>> Multiplex Data Buffer Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT
>> DataBufferDeviceType; ///< 246 Data Buffer
>> Device Type
>> + SPD5_REVISION_STRUCT
>> DataBufferRevisionNumber; ///< 247 Data Buffer
>> Revision Number
>> + UINT8 Reserved[447 - 248 +
>> 1]; ///< 248-447 Reserved
>> +} SPD5_MODULE_MULTIPLEXED_RANK;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_MULTIPLEXED_RANK) == 208,
>> "sizeof (SPD5_MODULE_MULTIPLEXED_RANK) does not match DDR5 SPD 1.1
>> specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE
>> DifferentialMemoryBufferManufacturerId; ///< 240-241
>> Differential Memory Buffer Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT
>> DifferentialMemoryBufferDeviceType; ///< 242
>> Differential Memory Buffer Device Type
>> + SPD5_REVISION_STRUCT
>> DifferentialMemoryBufferRevisionNumber; ///< 243
>> Differential Memory Buffer Revision Number
>> + UINT8 Reserved[447 - 244 +
>> 1]; ///< 244-447 Reserved
>> +} SPD5_MODULE_DIFFERENTIAL;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_DIFFERENTIAL) == 208, "sizeof
>> (SPD5_MODULE_DIFFERENTIAL) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId;
>> ///< 240-241 Registering Clock Driver Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///<
>> 242 Register Device Type
>> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///<
>> 243 Register Revision Number
>> + SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId;
>> ///< 244-245 Data Buffer Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///<
>> 246 Data Buffer Device Type
>> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///<
>> 247 Data Buffer Revision Number
>> + UINT8 Reserved[447 - 248 + 1];
>> ///< 248-447 Reserved
>> +} SPD5_MODULE_NVDIMM_N;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_N) == 208, "sizeof
>> (SPD5_MODULE_NVDIMM_N) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE RegisteringClockDriverManufacturerId;
>> ///< 240-241 Registering Clock Driver Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT RegisterDeviceType; ///<
>> 242 Register Device Type
>> + SPD5_REVISION_STRUCT RegisterRevisionNumber; ///<
>> 243 Register Revision Number
>> + SPD5_MANUFACTURER_ID_CODE DataBufferManufacturerId;
>> ///< 244-245 Data Buffer Manufacturer ID Code
>> + SPD5_DEVICE_TYPE_STRUCT DataBufferDeviceType; ///<
>> 246 Data Buffer Device Type
>> + SPD5_REVISION_STRUCT DataBufferRevisionNumber; ///<
>> 247 Data Buffer Revision Number
>> + UINT8 ModuleStorageCapacity[2]; ///< 248-249 Module
>> Storage Capacity
>> + UINT8 ProtocolProfile; ///< 250 Protocol
>> Profile
>> + UINT8 Reserved[447 - 251 + 1];
>> ///< 251-447 Reserved
>> +} SPD5_MODULE_NVDIMM_P;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_NVDIMM_P) == 208, "sizeof
>> (SPD5_MODULE_NVDIMM_P) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef union {
>> + SPD5_MODULE_SOLDER_DOWN SolderDown; ///< 240-447 Solder
>> Down Memory Module Types
>> + SPD5_MODULE_UNBUFFERED Unbuffered; ///< 240-447
>> Unbuffered Memory Module Types
>> + SPD5_MODULE_REGISTERED Registered; ///< 240-447
>> Registered Memory Module Types
>> + SPD5_MODULE_MULTIPLEXED_RANK MultiplexedRank; ///< 240-447
>> Mutiplexed Rank Memory Module Types
>> + SPD5_MODULE_DIFFERENTIAL Differential; ///< 240-447
>> Differentual (DDR-D) Memory Module Types
>> + SPD5_MODULE_NVDIMM_N NvDimmN; ///< 240-447
>> Non-Volatile (NVDIMM-N) Hybrid Memory Parameters
>> + SPD5_MODULE_NVDIMM_P NvDimmP; ///< 240-447
>> Non-Volatile (NVDIMM-P) Hybrid Memory Parameters
>> +} SPD5_MODULE_SPECIFIC;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MODULE_SPECIFIC) == 208, "sizeof
>> (SPD5_MODULE_SPECIFIC) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + UINT8 ManufacturerSpecificData[639 - 555 + 1]; ///< 639-555
>> Manufacturer's Specific Data
>> +} SPD5_MANUFACTURER_SPECIFIC;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MANUFACTURER_SPECIFIC) == 85, "sizeof
>> (SPD5_MANUFACTURER_SPECIFIC) does not match DDR5 SPD 1.1
>> specification");
>> +
>> +typedef struct {
>> + UINT8 Year; ///< Year
>> represented in BCD (00h = 2000)
>> + UINT8 Week; ///< Year
>> represented in BCD (47h = week 47)
>> +} SPD5_MANUFACTURING_DATE;
>> +
>> +typedef union {
>> + UINT32 SerialNumber32; ///< 517-520 Serial
>> Number
>> + UINT16 SerialNumber16[2];
>> + UINT8 SerialNumber8[4];
>> +} SPD5_MANUFACTURER_SERIAL_NUMBER;
>> +
>> +typedef struct {
>> + UINT8 ModulePartNumber[550 - 521 + 1]; ///< 521-550 Module
>> Part Number
>> +} SPD5_MODULE_PART_NUMBER;
>> +
>> +typedef UINT8 SPD5_MANUFACTURING_LOCATION; ///< 514 Module
>> Manufacturing Location
>> +typedef UINT8 SPD5_MODULE_REVISION_CODE; ///< 551 Module
>> Revision Code
>> +typedef UINT8 SPD5_DRAM_STEPPING; ///< 554 DRAM Stepping
>> +
>> +typedef struct {
>> + SPD5_MANUFACTURER_ID_CODE ModuleManufacturer; ///< 512-513
>> Module Manufacturer ID Code
>> + SPD5_MANUFACTURING_LOCATION ModuleManufacturingLocation; ///<
>> 514 Module Manufacuring Location
>> + SPD5_MANUFACTURING_DATE ModuleManufacturingDate; ///<
>> 515-516 Module Manufacturing Date
>> + SPD5_MANUFACTURER_SERIAL_NUMBER ModuleSerialNumber; ///< 517-520
>> Module Serial Number
>> + SPD5_MODULE_PART_NUMBER ModulePartNumber; ///< 521-550
>> Module Part Number
>> + SPD5_MODULE_REVISION_CODE ModuleRevisionCode; ///< 551
>> Module Revision Code
>> + SPD5_MANUFACTURER_ID_CODE DramManufacturer; ///< 552-553
>> DRAM Manufacturer ID Code
>> + SPD5_DRAM_STEPPING DramStepping; ///< 554 DRAM
>> Stepping
>> + SPD5_MANUFACTURER_SPECIFIC ManufacturerSpecificData; ///<
>> 555-639 Manufacturer's Specific Data
>> +} SPD5_MANUFACTURING_DATA;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_MANUFACTURING_DATA) == 128, "sizeof
>> (SPD5_MANUFACTURING_DATA) does not match DDR5 SPD 1.1 specification");
>> +
>> +typedef struct {
>> + UINT8 EndUserBytes[1023 - 640 + 1]; ///< 640-1023
>> End User Programmable Bytes
>> +} SPD5_END_USER_SECTION;
>> +
>> +STATIC_ASSERT (sizeof (SPD5_END_USER_SECTION) == 384, "sizeof
>> (SPD5_END_USER_SECTION) does not match DDR5 SPD 1.1 specification");
>> +
>> +///
>> +/// DDR5 Serial Presence Detect structure
>> +///
>> +typedef struct {
>> + SPD5_BASE_SECTION Base; ///< 0-127 Base
>> Configuration and DRAM Parameters
>> + UINT8 Reserved0[191 - 128 + 1]; ///< 128-191
>> Reserved
>> + SPD5_MODULE_COMMON Common; ///< 192-239
>> Common Module Parameters
>> + SPD5_MODULE_SPECIFIC Module; ///< 240-447
>> Module Type Specific Information
>> + UINT8 Reserved1[509 - 448 + 1]; ///< 448-509
>> Reserved for future use
>> + UINT8 Crc[2]; ///< 510-511
>> CRC for bytes 0-509
>> + SPD5_MANUFACTURING_DATA ManufacturerInfo; ///< 512-639
>> Manufacturing Information
>> + SPD5_END_USER_SECTION EndUser; ///< 640-1023
>> End User Programmable
>> +} SPD_DDR5;
>> +
>> +STATIC_ASSERT (sizeof (SPD_DDR5) == 1024, "sizeof (SPD_DDR5) does
>> not match DDR5 SPD 1.1 specification");
>> +
>> +#pragma pack (pop)
>> +
>> +#endif /* SPD_DDR5_H_ */
>
>
>
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread[parent not found: <1753B59497187A55.4032@groups.io>]
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2023-02-14 15:36 [PATCH v2 1/1] MdePkg: Add DDR5 SPD defs to IndustryStandard per JESD400-5A.01 Rebecca Cran
2023-02-14 21:47 ` Rebecca Cran
2023-04-07 16:58 ` [edk2-devel] " Rebecca Cran
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2023-12-15 21:23 ` Rebecca Cran
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