Texas Instruments TMS320TCI648x guide

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Interrupt Conditions

For transmission, the clearing of any ICSR bit is dependent on the CPU writing to the CP register for the queue (QUEUEn_TXDMA_CP). The CPU acknowledges the interrupt after reclaiming all available buffer descriptors by writing the CP value. This value is compared against the port written value in the CP register. If the values are equal, the interrupt is deasserted.

Figure 50. RX CPPI Interrupt Condition Status and Clear Registers

RX CPPI Interrupt Condition Status Register (RX_CPPI_ICSR) (Address Offset 0240h)

31

16

Reserved

R-0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ICS15

ICS14

ICS13

ICS12

ICS11

ICS10

ICS9

ICS8

ICS7

ICS6

ICS5

ICS4

ICS3

ICS2

ICS1

ICS0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

RX CPPI Interrupt Condition Clear Register (RX_CPPI_ICCR) (Address Offset 0248h)

31

16

Reserved

R-0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ICC15

ICC14

ICC13

ICC12

ICC11

ICC10

ICC9

ICC8

ICC7

ICC6

ICC5

ICC4

ICC3

ICC2

ICC1

ICC0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

LEGEND: R = Read only; W = Write only; -n= Value after reset

Figure 51. TX CPPI Interrupt Condition Status and Clear Registers

TX CPPI Interrupt Condition Status Register (TX_CPPI_ICSR) (Address Offset 0250h)

31

16

Reserved

R-0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ICS15

ICS14

ICS13

ICS12

ICS11

ICS10

ICS9

ICS8

ICS7

ICS6

ICS5

ICS4

ICS3

ICS2

ICS1

ICS0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

TX CPPI Interrupt Condition Clear Register (TX_CPPI_ICCR) (Address Offset 0258h)

31

16

Reserved

R-0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ICC15

ICC14

ICC13

ICC12

ICC11

ICC10

ICC9

ICC8

ICC7

ICC6

ICC5

ICC4

ICC3

ICC2

ICC1

ICC0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

W-0

LEGEND: R = Read only; W = Write only; -n= Value after reset

4.3.3LSU Interrupt Condition Status and Clear Registers

The ICSR and the ICCR for the LSUs are shown in Figure 52. These interrupt condition registers are used when the SRIO peripheral transmits direct I/O packets. As described in Table 36, each of the status and clear bits corresponds to a particular type of transaction interrupt condition for a particular LSU. The ICS bits of LSU_ICSR indicate the occurrence of the conditions. The ICC bits of LSU_ICCR are used to clear the corresponding ICS bits.

SPRUE13A –September 2006

Serial RapidIO (SRIO)

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Texas Instruments TMS320TCI648x manual RX Cppi Interrupt Condition Status and Clear Registers

Contents

Users Guide Submit Documentation Feedback Contents Errrstevnticsr Port Link Maintenance Request CSR n SP n Lmreq List of Figures INTDSTnRATECNTL Interrupt Rate Control Register Transmit Cppi Supported Flow Mask Registers Port-Write-In Capture CSRs List of Tables PF16BCNTL Registers LSUnREG6 Registers and the Associated LSUs SP n Errdet Registers and the Associated Ports Read This First Trademarks RapidIO Architectural Hierarchy General RapidIO System Overview RapidIO Interconnect Architecture Physical Layer 1x/4x LP-Serial Specification Features Supported in Srio Peripheral RapidIO Feature Support in Srio Standards External Devices Requirements Features Not SupportedTI Devices Supported By This Document TI Devices Supported By This Document Peripheral Data Flow OverviewRegisters Checked for Multicast DeviceID Registers Checked For Multicast DeviceID Operation Sequence Srio Packets Example Packet Streaming Write Operation Sequence 4x RapidIO Packet Data Stream Streaming-Write Class Control Symbols Srio Packet Type Srio PinsPacket Types Ftype Ttype Packet Type Pin Description Component Block DiagramFunctional Operation Srio Component Block Diagram MPY Enpll Serdes Macro and its ConfigurationsEnabling the PLL MPY Bit Field Value Description Effect of the Rate Bits Line Rate versus PLL Output Clock FrequencyFrequency Range versus MPY Value Enabling the Receiver Bit Field CDRLOS Align Term Invpair Rate Buswidth Enrx LOS CFGRX22-19 EQ BitsEnabling the Transmitter Swing DE Bits of SERDESCFGTXnCNTLAmplitude Reduction DE Bits Swing Bits of SERDESCFGTXnCNTL Serdes Configuration ExampleDirect I/O Operation Swing Bits LSU Register Field RapidIO Packet Header Field LSU Control/Command Register Fields BSY LSU Status Register FieldsLSU Register Field Function LSU Registers Timing Detailed Data Path Description Example Burst Nwriter Write Transactions Direct I/O TX Operation Read Transactions Direct I/O RX Operation Segmentation Message Passing Reset and Power Down State Cppi RX Scheme for RapidIO RX Operation Message Request Packet Mailbox to Queue Mapping Register L n Rxumapl n RX DMA State Completion Pointer CP Address Offset 680h-6BChMailbox to Queue Mapping Register H n Rxumaph n Bit Name Description Field Description RX Buffer Descriptor Field Descriptions DSP core uses this bit to reclaim buffers RX Cppi Mode Explanation Srio Functional Description TX Operation Cppi Boundary Diagram TX Buffer Descriptor Field Definitions TX DMA State Completion Pointer CP Address Offset 58h-5BCh Field Description TX Buffer Descriptor Field Definitions Ssize Srio Functional Description TXQUEUECNTL1 Address Offset 7E4h TXQUEUECNTL0 Address Offset 7E0hTXQUEUECNTL2 Address Offset 7E8h TXQUEUECNTL3 Address Offset 7ECh TXQUEUECNTL17-4 TXQUEUECNTL13-0TXQUEUECNTL111-8 TXQUEUECNTL23-0 TXQUEUECNTL311-8 TXQUEUECNTL33-0TXQUEUECNTL37-4 Reset and Power Down State TX Operation Message Passing Software RequirementsRX Operation RX Buffer Descriptor Initialization ExampleQueue Mapping TX Buffer Descriptor RX Buffer Descriptors Doorbell Operation MaintenanceStart Message Passing Info Field Segments Examples of Doorbellinfo Designations See FigureReg # Bit LSUnREG5 Congestion Control Atomic Operations Detailed Description FL9 FL8 FL7 FL6 FL5 FL4 FL3 FL2 FL1 FL0 Flowcntlid FL9 Endianness Endian Conversion TMS320TCI6482 Translation for MMR space Reset Hierarchy Reset and Power DownBus Logical Block Enable and Enable Status Registers Reset and Power Down Summary Global Enable and Global Enable Status Field Descriptions Enstat Block Enable and Block Enable Status Field DescriptionsRegisterBit Field Valu Description e Emulation Software Shutdown DetailsPeripheral Control Register PCR Field Descriptions Peren Soft Free Multiple Ports With 1x Operation Peripheral Control Register PCR Field DescriptionsTX Buffers, Credit, and Packet Reordering Unavailable Outbound Credit Single Port With 1x or 4x Operation 13.2 PLL, Ports, Device ID and Data Rate Initializations Port Mode Register SettingsEnabling the Srio Peripheral Set Device ID Registers Peripheral Initializations Bootload Capability Assert the Peren bit to enable logical layer data flowConfiguration and Operation Read register to check portx1-4 OK bit RX Multicast Support Bootload Data MovementDevice Wakeup Daisy Chain Operation and Packet Forwarding Multicast DeviceID OperationEnabling Multicast and Packet Forwarding 16BITDEVIDUPBOUND 16BITDEVIDLOWBOUND Port Outbound8BITDEVIDUPBOUND 8BITDEVIDLOWBOUND For the MAU or the RXU For an LSU or the TXU Pktrspnstimeout MsgreqtimeoutRxiodmaaccess Unsolicitedrspns General Description CPU Interrupts Interrupt Condition Status and Clear Registers Doorbell Interrupt Condition Status and Clear Registers Interrupt Condition Status and Clear Bits Cppi Interrupt Condition Status and Clear Registers Doorbell 2 Interrupt Condition Status and Clear Registers LSU Interrupt Condition Status and Clear Registers RX Cppi Interrupt Condition Status and Clear Registers LSU4 Bit Associated LSU Interrupt ConditionLSU3 LSU2 ICS2 ICS1 ICS0 ICS11 ICS10 ICS9 ICS8ICC11 ICC10 ICC9 ICC8 ICC2 ICC1 ICC0 1st Step Nd Step 3rd Step Interrupt Clearing Sequence for Special Event InterruptsInterrupt Function Interrupt Condition Routing Options Interrupt Condition Routing RegistersDoorbell Interrupt Condition Routing Registers Interrupt Function St Step Nd Step Rd Step ICR7 ICR6 ICR5 ICR4 Cppi Interrupt Condition Routing RegistersICR3 ICR2 ICR1 ICR0 ICR15 ICR14 ICR13 ICR12 LSU Interrupt Condition Routing Registers TX Cppi Interrupt Condition Routing Registers ICR19 ICR18 ICR17 ICR16 ICR23 ICR22 ICR21 ICR20ICR31 ICR30 ICR29 ICR28 ICR27 ICR26 ICR25 ICR24 ICR2 ICR1 ICR0 Interrupt Status Decode Registers Interrupt Status Decode Register INTDSTnDECODE Interrupt Pacing Interrupt Generation INTDSTnRATECNTL Interrupt Rate Control Register Interrupt Handling 101 Offset Acronym Register Description IntroductionSerial RapidIO Srio Registers Offset Acronym Register Description Serial RapidIO Srio Registers INTDST4DECODE INTDST3DECODEINTDST5DECODE INTDST6DECODE QUEUE1TXDMAHDP QUEUE0RXDMACP QUEUE15RXDMAHDPQUEUE1RXDMACP QUEUE2RXDMACP RXUMAPH7 RXUMAPL7RXUMAPL8 RXUMAPH8 RXUMAPH30 RXUMAPL30RXUMAPL31 RXUMAPH31 SP1CTL SP0SILENCETIMER SpipdiscoverytimerSP1SILENCETIMER SP2SILENCETIMER Peripheral ID Register PID Field Descriptions Peripheral Identification Register PIDType Class REV Halts Peripheral Control Register PCR Peripheral Settings Control Register Persetcntl Prescalerselect Enable Serdes PLL Peripheral Global Enable Register Gblen Field Descriptions Peripheral Global Enable Register Gblen Peripheral Global Enable Status Register Gblenstat MMRs for the Srio peripheral Block n Enable Registers and the Associated Blocks Block n Enable Register BLKnENBlock n Enable Register BLKnEN Field Descriptions Register Address Offset Associated Block Block n Enable Status Registers and the Associated Blocks Block n Enable Status Register BLKnENSTAT RapidIO DEVICEID1 Register DEVICEIDREG1 Field Descriptions RapidIO DEVICEID1 Register DEVICEIDREG18BNODEID 16BNODEID RapidIO DEVICEID2 Register DEVICEIDREG2 Field Descriptions RapidIO DEVICEID2 Register DEVICEIDREG2 Register Address Offset PF16BCNTL Registers PF8BCNTL Registers Packet Forwarding Register n for 8-Bit Device IDs PF8BCNTLn Register Address Offset Associated Port SERDESCFGRXnCNTL Registers and the Associated Ports Via a 50 pF capacitor to Vssa 127 Swing Invpair Rate Buswidth Entx SERDESCFGTXnCNTL Registers and the Associated PortsSERDESCFGTX3CNTL 129 SERDESCFGnCNTL Registers and the Associated Ports Serdes Macro Configuration Register n SERDESCFGnCNTL 131 Doorbell nICSR Registers DOORBELLn Interrupt Condition Status Register DOORBELLnICSR Doorbell nICCR Registers DOORBELLn Interrupt Condition Clear Register DOORBELLnICCR RX Cppi Interrupt Status Register Rxcppiicsr RX Cppi Interrupt Clear Register Rxcppiiccr TX Cppi Interrupt Status Register Txcppiicsr TX Cppi Interrupt Clear Register Txcppiiccr ICS31 LSU Interrupt Condition Status Register Lsuicsr 139 140 LSU Interrupt Condition Clear Register Lsuiccr 31-17 Reserved These reserved bits return 0s when read Errrstevnticcr Field Descriptions Field Value Description Doorbell nICRR Registers = 0 to Eight interrupt destinations INTDST0-INTDST7 146 LSU Interrupt Condition Routing Registers LSUICRR0-LSUICRR3 LSU Interrupt Condition Routing Register Field Descriptions = 0 to 2, 8 to 11, Interrupt destinations INTDST0-INTDST7 Destination Interrupt Status Decode Register INTDSTnDECODE TX buffer descriptor queue 4 bit 4 of Txcppiicsr ∙ Doorbell 0, bit 15 bit 15 of DOORBELL0ICSR ISD1 ISD3ISD2 Countdownvalue INTDSTn Interrupt Rate Control Register INTDSTnRATECNTL LSUnREG0 Registers and the Associated LSUs LSUn Control Register 0 LSUnREG0LSUn Control Register 0 LSUnREG0 Field Descriptions Addressmsb LSUn Control Register 1 LSUnREG1 For packet type 8 maintenance packetLSUnREG1 Registers and the Associated LSUs LSUn Control Register 1 LSUnREG1 Field Descriptions LSUnREG2 Registers and the Associated LSUs LSUn Control Register 2 LSUnREG2LSUn Control Register 2 LSUnREG2 Field Descriptions Dspaddress LSUnREG3 Registers and the Associated LSUs LSUn Control Register 3 LSUnREG3LSUn Control Register 3 LSUnREG3 Field Descriptions Bytecount LSUn Control Register 4 LSUnREG4 Field Descriptions LSUn Control Register 4 LSUnREG4LSUnREG4 Registers and the Associated LSUs LSUn Control Register 5 LSUnREG5 Field Descriptions LSUn Control Register 5 LSUnREG5LSUnREG5 Registers and the Associated LSUs LSUnREG6 Registers and the Associated LSUs LSUn Control Register 6 LSUnREG6LSUn Control Register 6 LSUnREG6 Field Descriptions Completioncode BSY LSUnFLOWMASKS Registers and the Associated LSUs LSUn Congestion Control Flow Mask Register LSUnFLOWMASKS LSU n supports Flow 8 from table entry Register QUEUEnTXDMAHDP Registers QUEUEnTXDMACP Registers QUEUEnRXDMAHDP Registers Rxcp QUEUEnRXDMACP Registers Transmit Queue Teardown Register Txqueueteardown Txcppiflowmasks Registers and the Associated TX Queues TX Queue n Flowmask Field Descriptions Queue n supports Flow 12 from table entry Receive Queue Teardown Register Rxqueueteardown Receive Cppi Control Register Rxcppicntl Field Descriptions Receive Cppi Control Register Rxcppicntl TXQUEUECNTL1 Address Offset 07E4h TXQUEUECNTL0 Address Offset 07E0hTXQUEUECNTL2 Address Offset 07E8h TXQUEUECNTL3 Address Offset 07ECh Field Pair TXQUEUECNTL211-8 Mailbox to Queue Mapping Registers RXUMAPLn and RXUMAPHn 0890h Mapper For a single-segment message LettermaskFor a multi-segment message Letter Segmentmapping Queueid Flowcntl n Registers Flow Control Table Entry Register n FLOWCNTLn Device Identity CAR Devid Field Descriptions Device Identity CAR DevidDeviceidentity Devicevendoridentity Deviceidentity Device Information CAR Devinfo Field Descriptions Device Information CAR DevinfoDevicerev 31-0 Assembly Identity CAR Asblyid Field Descriptions Assembly Identity CAR AsblyidAssyidentity Assyvendoridentity Assyidentity Assembly Information CAR Asblyinfo Field Descriptions Assembly Information CAR AsblyinfoExtendedfeaturesptr Assyrev Processing Element Features CAR Pefeat Field Descriptions Processing Element Features CAR Pefeat Source and target of an operation. All PEs shall at minimum Source Operations CAR Srcop Field Descriptions Source Operations CAR Srcop Destination Operations CAR Destop Field Descriptions Destination Operations CAR DestopRead Write Streamwrite Writewith Datamess Doorbell Resp Andswap Atomic Extendedaddressingcontrol Processing Element Logical Layer Control CSR PellctlAddressing Bit Field Value Local Configuration Space Base Address 0 CSR LclcfghbarLcsba Local Configuration Space Base Address 1 CSR Lclcfgbar Base Device ID CSR Baseid Field Descriptions Base Device ID CSR BaseidBasedeviceid Largebasedeviceid Hostbasedeviceid Host Base Device ID Lock CSR Hostbaseidlock Componenttag Component Tag CSR ComptagComponent Tag CSR Comptag Field Descriptions Efptr Efptr Efid Port Link Time-Out Control CSR Spltctl Port Link Timeout Control CSR Spltctl Field DescriptionsTimeoutvalue Port Response Time-Out Control CSR Sprtctl Port General Control CSR Spgenctl Field Descriptions Port General Control CSR Spgenctl Command Port Link Maintenance Request CSR n SPnLMREQSPnLMREQ Registers and the Associated Ports SP2LMREQ SPnLMRESP Registers and the Associated Ports Port Link Maintenance Response CSR n SPnLMRESP SPnACKIDSTAT Registers and the Associated Ports Port Local AckID Status CSR n SPnACKIDSTAT SPnERRSTAT Registers and the Associated Ports Port Error and Status CSR n SPnERRSTATPort Error and Status CSR n SPnERRSTAT Field Descriptions Outputerrorstp OutputerrorencInputerrorenc Inputerrorstp Portuninitialized Portok Port Control CSR n SPnCTL Field Descriptions Port Control CSR n SPnCTLSPnCTL Registers and the Associated Ports Outputportenable PortdisableInputportenable Errorcheckdisable Rather than a parallel port Error Reporting Block Header Register Errrptbh Logical/Transport Layer Error Detect CSR Errdet RX I/O DMA access error Logical/Transport Layer Error Enable CSR Erren Unsolicitedrespenable PktresptimeoutenableUnsupportedtransenable Rxcppisecurityenable ADDRESS6332 Logical/Transport Layer High Address Capture CSR Haddrcapt Xamsbs Logical/Transport Layer Address Capture CSR AddrcaptADDRESS313 Msbdestid Destid Logical/Transport Layer Device ID Capture CSR IdcaptMsbsourceid Sourceid Msbdestid Ftype Ttype Msginfo Logical/Transport Layer Control Capture CSR CtrlcaptImpspecific Ftype Port-Write Target Device ID CSR Pwtgtid Field Descriptions Port-Write Target Device ID CSR PwtgtidDeviceidmsb Deviceid SPnERRDET Registers and the Associated Ports Port Error Detect CSR n SPnERRDETPort Error Detect CSR n SPnERRDET Field Descriptions Delineationerror ProtocolerrorLinktimeout Rcvdpktnotaccpt SPnRATEEN Registers and the Associated Ports Port Error Rate Enable CSR n SPnRATEENPort Error Rate Enable CSR n SPnRATEEN Field Descriptions Delineationerroren ProtocolerrorenLinktimeouten Pktunexpectedackiden SPnERRATTRCAPTDBG0 Registers and the Associated Ports Port n Attributes Error Capture CSR 0 SPnERRATTRCAPTDBG0 Description Case of a control-symbol error Port n Error Capture CSR 1 SPnERRCAPTDBG1Case of a packet error SPnERRCAPTDBG1 Registers and the Associated Ports SPnERRCAPTDBG2 Registers and the Associated Ports Port n Error Capture CSR 2 SPnERRCAPTDBG2 SPnERRCAPTDBG3 Registers and the Associated Ports Port n Error Capture CSR 3 SPnERRCAPTDBG3 SPnERRCAPTDBG4 Registers and the Associated Ports Port n Error Capture CSR 4 SPnERRCAPTDBG4 SPnERRRATE Registers and the Associated Ports Port Error Rate CSR n SPnERRRATEPort Error Rate CSR n SPnERRRATE Field Descriptions SPnERRTHRESH Registers and the Associated Ports Port Error Rate Threshold CSR n SPnERRTHRESH Pwtimer Discoverytimer Port IP Mode CSR Spipmode Field Descriptions Port IP Mode CSR Spipmode Rstcs RstenPwen Pwirq Prescale Port IP Prescaler Register IpprescalPort IP Prescaler Register Ipprescal Field Descriptions Port-Write-In Capture CSR Field Descriptions Port-Write-In Capture CSRs SPIPPWINCAPT0-3 Port Reset Option CSR n SPnRSTOPT Field Descriptions Port Reset Option CSR n SPnRSTOPTSPnRSTOPT Registers and the Associated Ports Portid SPnCTLINDEP Registers and the Associated Ports Port Control Independent Register n SPnCTLINDEP Illtransen SenddbgpktIlltranserr Maxretryen Silencetimer Port Silence Timer n Register SPnSILENCETIMERSPnSILENCETIMER Registers and the Associated Ports Bit Field Value Description 31-0 SPnMULTEVNTCS Registers and the Associated PortsMultevntcs SPnCSTX Registers and the Associated Ports Port Control Symbol Transmit n Register SPnCSTXSTYPE0 PAR0 PAR1 STYPE1 CMD Csemb STYPE0 Index Comptag Ctrlcapt Devinfo Pellctl Haddrcapt Lsuicsr 237 Pefeat 232 Srio Registers Rxcppicntl Rxcppiiccr Rxcppiicrr RXCPPIICRR2 Rxcppiicsr Broken link Degraded link Maximum retry error at port n Txqueueteardown Xoff Xon Important Notice