Entity: Pgp3AxiL
- File: Pgp3AxiL.vhd
Diagram
Description
Title : PGPv3: https://confluence.slac.stanford.edu/x/OndODQ
Company : SLAC National Accelerator Laboratory
Description: AXI-Lite block to manage the PGPv3 interface
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 | |
| COMMON_TX_CLK_G | boolean | false | Set to true if axiClk and pgpTxClk are the same clock |
| COMMON_RX_CLK_G | boolean | false | Set to true if axiClk and pgpRxClk are the same clock |
| WRITE_EN_G | boolean | false | Set to false when on remote end of a link |
| STATUS_CNT_WIDTH_G | natural range 1 to 32 | 16 | |
| ERROR_CNT_WIDTH_G | natural range 1 to 32 | 8 | |
| AXIL_CLK_FREQ_G | real | 125.0E+6 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| pgpTxClk | in | sl | TX PGP Interface (pgpTxClk) |
| pgpTxRst | in | sl | |
| pgpTxIn | out | Pgp3TxInType | |
| pgpTxOut | in | Pgp3TxOutType | |
| locTxIn | in | Pgp3TxInType | |
| pgpRxClk | in | sl | RX PGP Interface (pgpRxClk) |
| pgpRxRst | in | sl | |
| pgpRxIn | out | Pgp3RxInType | |
| pgpRxOut | in | Pgp3RxOutType | |
| locRxIn | in | Pgp3RxInType | |
| statusWord | out | slv(63 downto 0) | Status Bus (axilClk domain) |
| statusSend | out | sl | |
| phyRxClk | in | sl | |
| txDiffCtrl | out | slv(4 downto 0) | Debug Interface (axilClk domain) |
| txPreCursor | out | slv(4 downto 0) | |
| txPostCursor | out | slv(4 downto 0) | |
| axilClk | in | sl | AXI-Lite Register Interface (axilClk domain) |
| axilRst | in | sl | |
| axilReadMaster | in | AxiLiteReadMasterType | |
| axilReadSlave | out | AxiLiteReadSlaveType | |
| axilWriteMaster | in | AxiLiteWriteMasterType | |
| axilWriteSlave | out | AxiLiteWriteSlaveType |
Signals
| Name | Type | Description |
|---|---|---|
| rxStatusSend | sl | Local signals |
| rxErrorOut | slv(RX_ERROR_COUNTERS_C-1 downto 0) | |
| rxErrorCntOut | SlVectorArray(RX_ERROR_COUNTERS_C-1 downto 0, ERROR_CNT_WIDTH_G-1 downto 0) |
|
| rxStatusCntOut | SlVectorArray(RX_STATUS_COUNTERS_C-1 downto 0, STATUS_CNT_WIDTH_G-1 downto 0) |
|
| txErrorOut | slv(TX_ERROR_COUNTERS_C-1 downto 0) | |
| txErrorCntOut | SlVectorArray(TX_ERROR_COUNTERS_C-1 downto 0, ERROR_CNT_WIDTH_G-1 downto 0) |
|
| txStatusCntOut | SlVectorArray(TX_STATUS_COUNTERS_C-1 downto 0, STATUS_CNT_WIDTH_G-1 downto 0) |
|
| rxErrorIrqEn | slv(RX_ERROR_COUNTERS_C-1 downto 0) | |
| syncFlowCntlDis | sl | signal txFlush : sl; signal rxFlush : sl; signal rxReset : sl; |
| syncSkpInterval | slv(31 downto 0) | |
| gearboxAlignCnt | SlVectorArray(0 downto 0, 7 downto 0) |
|
| r | RegType | |
| rin | RegType | |
| rxStatusSync | RxStatusType | |
| txStatusSync | TxStatusType |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| STATUS_OUT_TOP_C | integer | ite(STATUS_CNT_WIDTH_G > 7, 7, STATUS_CNT_WIDTH_G-1) |
|
| RX_ERROR_COUNTERS_C | integer | 52 | |
| TX_ERROR_COUNTERS_C | integer | 36 | |
| RX_STATUS_COUNTERS_C | integer | 1 | |
| TX_STATUS_COUNTERS_C | integer | 1 | |
| REG_INIT_C | RegType | ( txDiffCtrl => (others => '1'), txPreCursor => "00111", txPostCursor => "00111", countReset => '0', loopBack => (others => '0'), flowCntlDis => PGP3_TX_IN_INIT_C.flowCntlDis, txDisable => PGP3_TX_IN_INIT_C.disable, skpInterval => PGP3_TX_IN_INIT_C.skpInterval, autoStatus => '0', axilWriteSlave => AXI_LITE_WRITE_SLAVE_INIT_C, axilReadSlave => AXI_LITE_READ_SLAVE_INIT_C ) |
Types
| Name | Type | Description |
|---|---|---|
| ErrorCountSlvArray | array (natural range <>) of ErrorCountSlv | |
| StatusCountSlvArray | array (natural range <>) of StatusCountSlv | |
| RegType | ||
| RxStatusType | ||
| TxStatusType |
Processes
- U_RxErrorIrqEn: ( r )
- unnamed: ( axilClk )
Description
---------------------------------- AXI Registers ---------------------------------- Sync
- unnamed: ( axilRst, axilReadMaster, axilWriteMaster, r, rxStatusSync, txStatusSync )
Description
Async
Instantiations
- U_RxOpCodeSync: surf.SynchronizerFifo
- U_RxError: surf.SyncStatusVector
Description
Errror counters and non counted values
- U_RxStatus: surf.SyncStatusVector
Description
Status counters
- U_RxClkFreq: surf.SyncClockFreq
- U_RxEbDataSync: surf.SynchronizerFifo
- U_RxPhyDataSync: surf.SynchronizerFifo
- U_RxGearboxStatus: surf.SyncStatusVector
- U_remLinkData: surf.SynchronizerFifo
- U_TxOpCodeSync: surf.SynchronizerFifo
Description
Transmit Status
OpCode Capture
- U_TxError: surf.SyncStatusVector
Description
Errror counters and non counted values
- U_TxStatus: surf.SyncStatusVector
Description
Status counters
- U_TxClkFreq: surf.SyncClockFreq
- U_FlowCntlDis: surf.Synchronizer
Description
Tx Control Sync
Sync flow cntl disable
- U_SKP_SYNC: surf.SynchronizerFifo