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 <rebe...@quicinc.com> Cc: Liming Gao <liming....@intel.com> Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Zhiguang Liu <zhiguang....@intel.com> --- MdePkg/Include/IndustryStandard/SpdDdr5.h | 541 ++++++++++++++++++++ 1 file changed, 541 insertions(+) diff --git a/MdePkg/Include/IndustryStandard/SpdDdr5.h b/MdePkg/Include/IndustryStandard/SpdDdr5.h new file mode 100644 index 000000000000..305ab69af852 --- /dev/null +++ b/MdePkg/Include/IndustryStandard/SpdDdr5.h @@ -0,0 +1,541 @@ +/** @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_ + +#include <Uefi/UefiBaseType.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 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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