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5.82PortErrorDetectCSRn(SPn_ERR_DET)
SRIORegisters
Eachofthefourportsissupportedbyaregisterofthistype(seeTable158).TheporterrordetectCSRn
(SPn_ERR_DET)isshowninFigure145anddescribedinTable159.
Table158.SPn_ERR_DETRegistersandtheAssociatedPorts
RegisterAddressOffsetAssociatedPort
SP0_ERR_DET2040hPort0
SP1_ERR_DET2080hPort1
SP2_ERR_DET20C0hPort2
SP3_ERR_DET2100hPort3
Figure145.PortErrorDetectCSRn(SPn_ERR_DET)
313024
ERR_IMP_
Reserved
SPECIFIC
R/W-0R-0
2322212019181716
CNTL_SYM_PKT_RCVD_PKT_
CORRUPT_RCVD_PKT_RCVD_PKT_
ReservedUNEXPECTED_UNEXPECTED_WITH_BADReserved
CNTL_SYMNOT_ACCPTOVER_276B
ACKIDACKID_CRC
R-0R/W-0R/W-0R/W-0R/W-0R/W-0R/W-0R-0
158
Reserved
R-0
76543210
NON_
PROTOCOL_DELINEATION_UNSOLICITED_LINK_
ReservedOUTSTANDING_Reserved
ERRORERRORACK_CNTL_SYMTIMEOUT
ACKID
R-0R/W-0R/W-0R-0R-00hR/W-0R/W-0
LEGEND:R/W=Read/Write;R=Readonly;-n=Valueafterreset
Table159.PortErrorDetectCSRn(SPn_ERR_DET)FieldDescriptions
BitFieldValueDescription
31ERR_IMP_SPECIFICImplementation-specificerror.Thisbitcoverserrorsthatarearesultof
anillegalfieldinamaintenancepacket,anillegaldestinationID,and
anunsupportedtransaction.
0Animplementationspecificerrorhasnotbeendetected.
1Animplementationspecificerrorhasbeendetected.
30–23Reserved0Theseread-onlybitsreturn0swhenread.
22CORRUPT_CNTL_SYMBadCRCincontrolsymbol
0TheportdidnotreceiveacontrolsymbolwithabadCRCvalue.
1TheportreceivedacontrolsymbolwithabadCRCvalue.
21CNTL_SYM_UNEXPECTED_ACKIDUnexpectedackIDincontrolsymbol
0Theportdidnotreceiveanacknowledgecontrolsymbolwithan
unexpectedackID(packet-acceptedorpacket-retry).
1Theportreceivedanacknowledgecontrolsymbolwithanunexpected
ackID(packet-acceptedorpacket-retry).Thecaptureregistersdonot
havevalidinformationduringthiserrordetection.
SPRUE13A–September2006SerialRapidIO(SRIO)219
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