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5.108PortControlIndependentRegistern(SPn_CTL_INDEP)
SRIORegisters
Eachofthefourportsissupportedbyaregisterofthistype.
Figure164.PortControlIndependentRegistern(SPn_CTL_INDEP)
31302928-272625-242322212019-181716
ReservTX_FLSOFTReservedFORCTRANS_MODEDEBUSENDILL_TILL_TReservedMAX_MAX_
edW_RECE_REIG_DBGRANSRANSRETRRETR
NIT_PKT_EN_ERRY_ENY_ER
R
R-RW-RW-R-0x00W-RW-0x01RW-RW-RW-RC-R-0x00RW-RC-
0x000x000x000x000x000x000x000x000x000x00
LEGEND:R=Readonly;-n=valueafterreset
15-8765-0
MAX_RETRY_THRIRQ_EIRQ_EReserved
NRR
RW-0x00RW-RC-R-0x00
0x000x00
LEGEND:R=Readonly;-n=valueafterreset
Table138.PortControlIndependentRegistern(SPn_CTL_INDEP)FieldDescriptions
BitFieldValueDescription
31ReservedReserved
30TX_FLWTransmitLinkFlowControlenable
0bDisablestransmitflowcontrol(Enablesreceivelinkflowcontrol)
1bEnablestransmitflowcontrol(notsupported)
29SOFT_RECSoftwarecontrollederrorrecovery.
0bTransmissionoferrorrecoverysequenceisperformedbythehardware
1bTransmissionoferrorrecoverysequenceisperformedbythesoftware.Bydefaultthetransmission
errorrecoverysequenceisperformedbythehardware.Ifthisbitisset,thehardwarerecoveryis
disabledandthehardwaretransmissionlogicmustwaituntilsoftwarehaswrittentheregisterPortn
LocalackIDStatusCSR.
28-27ReservedReserved
26FORCE_REINITForcereinitializationprocess.In4xmodethisbitaffectsall4lanes.Thisbitiswriteonly,read
always"0".
25-24TRANS_MODEDescribesthetransfermodeforeachport.
00Reserved(Cut-ThroughMode)
01Store&ForwardMode
1xReserved
23DEBUGModeofoperation.
0bNormalmode
1bDebugmode.Thedebugmodeunlockscaptureregistersforwriteandenabledebugpacket
generatorfeature.
22SEND_DBG_PKTSenddebugpacket.Write1forcetosenddebugpacket.Thisbitissetbysoftwareandcleared
afterdebugpacketissent.Writeswhenthebitissetareignored.Debugmodeonly.
21ILL_TRANS_ENIllegalTransferErrorreportingEnable.Ifenabled,thePort-Writeandinterruptarereportederrors.
0bDisablesIllegalTransferErrorreporting
1bEnablesIllegalTransferErrorreporting
20ILL_TRANS_ERRIllegalTransferError.Itissetto1asfollowing:
•Receivedtransactionhasreservedttfield
•ReservedfieldofMaintenancetransactiontype
•DestIDisnotdefinedinlook-uptable
Onceset,itremainssetuntilwrittenwithlogic1toclear.Thisbitalsoisclearedbywritingall0sto
theregisterSP0_ERR_DET.ThiserrorisalsoreportedinregistersSP0_ERR_DETandERR_DET.
19-18ReservedReserved
SPRU976–March2006SerialRapidIO(SRIO)213
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