Amd Bios Post Code - TYAN S8020 Manual

4.3 AMD BIOS Post Code

The POST code checkpoints are the largest set of checkpoints during the BIOS pre-
boot process. The following table describes the type of checkpoints that may occur
during the POST portion of the BIOS:
4.3.1 AbI BIOS Post Code
Status Code Range
StartProcessorTestPoints
// Memory test points
TpProcMemBeforeMemDataInit
TpProcMemBeforeSpdProcessing
TpProcMemAmdMemAutoPhase1
TpProcMemDramInit
TpProcMemSPDChecking
TpProcMemModeChecking
TpProcMemSpeedTclConfig
TpProcMemSpdTiming
TpProcMemDramMapping
TpProcMemPlatformSpecificConfig
TPProcMemPhyCompensation
TpProcMemStartDcts
TpProcMemBeforeDramInit
TpProcMemPhyFenceTraining
TpProcMemSynchronizeDcts
TpProcMemSystemMemoryMapping
TpProcMemMtrrConfiguration
TpProcMemDramTraining
TpProcMemBeforeAnyTraining
// PMU Test Points
TpProcMemPmuBeforeFirmwareLoa
d
Description
= 0xE000, ///< Entry used for range
testing for @b Processor related TPs
= 0xE001, ///< Memory structure
initialization (Public interface)
= 0xE002, ///< SPD Data processing
(Public interface)
= 0xE003, ///< Memory configuration
(Public interface) Phase 1
= 0xE004, ///< DRAM initialization
= 0xE005, ///< ProcMemSPDChecking
= 0xE006, ///< ProcMemModeChecking
= 0xE007, ///< Speed and TCL
configuration
= 0xE008, ///< ProcMemSpdTiming
= 0xE009, ///< ProcMemDramMapping
= 0xE00A, ///<
ProcMemPlatformSpecificConfig
= 0xE00B, ///<
ProcMemPhyCompensation
= 0xE00C, ///< ProcMemStartDcts
= 0xE00D, ///< ProcMemBeforeDramInit
(Public interface)
= 0xE00E, ///<
ProcMemPhyFenceTraining
= 0xE00F, ///< ProcMemSynchronizeDcts
= 0xE010, ///< ProcMemSystemMemory
Mapping
= 0xE011, ///<
ProcMemMtrrConfiguration
= 0xE012, ///< ProcMemDramTraining
= 0xE013, ///< ProcMemBefore
AnyTraining(Publicinterface)
= 0xE014, ///< ABL Mem - PMU -
Before PMU Firmware load
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