Entity: Pgp3Rx
- File: Pgp3Rx.vhd
Diagram
Description
Title : PGPv3: https://confluence.slac.stanford.edu/x/OndODQ
Company : SLAC National Accelerator Laboratory
Description: PGPv3 Receive Block
This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to
the terms contained in the LICENSE.txt file.
Generics
| Generic name | Type | Value | Description |
|---|---|---|---|
| TPD_G | time | 1 ns | |
| NUM_VC_G | integer range 1 to 16 | 4 | |
| ALIGN_SLIP_WAIT_G | integer | 32 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| pgpRxClk | in | sl | User Transmit interface |
| pgpRxRst | in | sl | |
| pgpRxIn | in | Pgp3RxInType | |
| pgpRxOut | out | Pgp3RxOutType | |
| pgpRxMasters | out | AxiStreamMasterArray(NUM_VC_G-1 downto 0) | |
| pgpRxCtrl | in | AxiStreamCtrlArray(NUM_VC_G-1 downto 0) | Unused |
| remRxFifoCtrl | out | AxiStreamCtrlArray(NUM_VC_G-1 downto 0) | Status of local receive fifos |
| remRxLinkReady | out | sl | |
| locRxLinkReady | out | sl | |
| phyRxClk | in | sl | Phy interface |
| phyRxRst | in | sl | |
| phyRxInit | out | sl | |
| phyRxActive | in | sl | |
| phyRxValid | in | sl | |
| phyRxHeader | in | slv(1 downto 0) | |
| phyRxData | in | slv(63 downto 0) | |
| phyRxStartSeq | in | sl | |
| phyRxSlip | out | sl |
Signals
| Name | Type | Description |
|---|---|---|
| gearboxAligned | sl | |
| unscramblerValid | sl | |
| unscrambledValid | sl | |
| unscrambledData | slv(63 downto 0) | |
| unscrambledHeader | slv(1 downto 0) | |
| remLinkData | slv(55 downto 0) | |
| ebValid | sl | |
| ebData | slv(63 downto 0) | |
| ebHeader | slv(1 downto 0) | |
| ebOverflow | sl | |
| ebStatus | slv(8 downto 0) | |
| phyRxInitInt | sl | |
| pgpRawRxMaster | AxiStreamMasterType | |
| pgpRawRxSlave | AxiStreamSlaveType | |
| depacketizedAxisMaster | AxiStreamMasterType | |
| depacketizedAxisSlave | AxiStreamSlaveType | |
| pgpRxOutProtocol | Pgp3RxOutType | |
| depacketizerDebug | Packetizer2DebugType | |
| locRxLinkReadyInt | sl | |
| remRxLinkReadyInt | sl | |
| remRxFifoCtrlInt | AxiStreamCtrlArray(NUM_VC_G-1 downto 0) |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| SCRAMBLER_TAPS_C | IntegerArray | (0 => 39, 1 => 58) |
Instantiations
- U_Pgp3RxGearboxAligner_1: surf.Pgp3RxGearboxAligner
Description
Gearbox aligner
- U_Scrambler_1: surf.Scrambler
- U_Pgp3RxEb_1: surf.Pgp3RxEb
Description
[out]
Elastic Buffer
- U_Pgp3RxProtocol_1: surf.Pgp3RxProtocol
Description
[out]
Main RX protocol logic
- U_AxiStreamDepacketizer2_1: surf.AxiStreamDepacketizer2
Description
[in]
Depacketize the RX data frames
- U_AxiStreamDeMux_1: surf.AxiStreamDeMux
Description
[in]
Demultiplex the depacketized streams