Entity: Pgp2bAxi
- File: Pgp2bAxi.vhd
Diagram
Description
Title : PGPv2b: https://confluence.slac.stanford.edu/x/q86fD
Company : SLAC National Accelerator Laboratory
Description: AXI-Lite block to manage the PGP interface.
Address map (offset from base): 0x00 = Read/Write Bits 0 = Count Reset 0x04 = Read/Write Bits 0 = Reset Rx 0x08 = Read/Write Bits 0 = Flush 0x0C = Read/Write Bits 1:0 = Loop Back 0x10 = Read/Write Bits 7:0 = Sideband data to transmit Bits 8 = Sideband data enable 0x14 = Read/Write Bits 0 = Auto Status Send Enable (PPI) 0x18 = Read/Write Bits 0 = Disable Flow Control 0x20 = Read Only Bits 0 = Rx Phy Ready Bits 1 = Tx Phy Ready Bits 2 = Local Link Ready Bits 3 = Remote Link Ready Bits 4 = Transmit Ready Bits 9:8 = Receive Link Polarity Bits 15:12 = Remote Pause Status Bits 19:16 = Local Pause Status Bits 23:20 = Remote Overflow Status Bits 27:24 = Local Overflow Status 0x24 = Read Only Bits 7:0 = Remote Link Data 0x28 = Read Only Bits ?:0 = Cell Error Count 0x2C = Read Only Bits ?:0 = Link Down Count 0x30 = Read Only Bits ?:0 = Link Error Count 0x34 = Read Only Bits ?:0 = Remote Overflow VC 0 Count 0x38 = Read Only Bits ?:0 = Remote Overflow VC 1 Count 0x3C = Read Only Bits ?:0 = Remote Overflow VC 2 Count 0x40 = Read Only Bits ?:0 = Remote Overflow VC 3 Count 0x44 = Read Only Bits ?:0 = Receive Frame Error Count 0x48 = Read Only Bits ?:0 = Receive Frame Count 0x4C = Read Only Bits ?:0 = Local Overflow VC 0 Count 0x50 = Read Only Bits ?:0 = Local Overflow VC 1 Count 0x54 = Read Only Bits ?:0 = Local Overflow VC 2 Count 0x58 = Read Only Bits ?:0 = Local Overflow VC 3 Count 0x5C = Read Only Bits ?:0 = Transmit Frame Error Count 0x60 = Read Only Bits ?:0 = Transmit Frame Count 0x64 = Read Only Bits 31:0 = Receive Clock Frequency 0x68 = Read Only Bits 31:0 = Transmit Clock Frequency 0x70 = Read Only Bits 7:0 = Last OpCode Transmitted 0x74 = Read Only Bits 7:0 = Last OpCode Received 0x78 = Read Only Bits ?:0 = OpCode Transmit count 0x7C = Read Only Bits ?:0 = OpCode Received count
Status vector: Bits 31:24 = Rx Link Down Count Bits 23:16 = Rx Frame Error Count Bits 15:8 = Rx Cell Error Count Bits 7:6 = Zeros Bits 5 = Remote Link Ready Bits 4 = Local Link Ready
Bits 3:0 = Remote Overflow Status
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 |
| AXI_CLK_FREQ_G | real | 125.0E+6 | |
| STATUS_CNT_WIDTH_G | natural range 1 to 32 | 32 | |
| ERROR_CNT_WIDTH_G | natural range 1 to 32 | 4 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| pgpTxClk | in | sl | TX PGP Interface (pgpTxClk) |
| pgpTxClkRst | in | sl | |
| pgpTxIn | out | Pgp2bTxInType | |
| pgpTxOut | in | Pgp2bTxOutType | |
| locTxIn | in | Pgp2bTxInType | |
| pgpRxClk | in | sl | RX PGP Interface (pgpRxClk) |
| pgpRxClkRst | in | sl | |
| pgpRxIn | out | Pgp2bRxInType | |
| pgpRxOut | in | Pgp2bRxOutType | |
| locRxIn | in | Pgp2bRxInType | |
| statusWord | out | slv(63 downto 0) | Status Bus (axilClk domain) |
| statusSend | out | sl | |
| 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(17 downto 0) | |
| rxErrorCntOut | SlVectorArray(17 downto 0, ERROR_CNT_WIDTH_G-1 downto 0) |
|
| rxStatusCntOut | SlVectorArray(0 downto 0, STATUS_CNT_WIDTH_G-1 downto 0) |
|
| txErrorOut | slv(11 downto 0) | |
| txErrorCntOut | SlVectorArray(11 downto 0, ERROR_CNT_WIDTH_G-1 downto 0) |
|
| txStatusCntOut | SlVectorArray(0 downto 0, STATUS_CNT_WIDTH_G-1 downto 0) |
|
| rxErrorIrqEn | slv(17 downto 0) | |
| locTxDataEn | sl | |
| locTxData | slv(7 downto 0) | |
| txFlush | sl | |
| rxFlush | sl | |
| rxReset | sl | |
| txReset | sl | |
| syncFlowCntlDis | sl | |
| 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) |
|
| REG_INIT_C | RegType | ( flush => '0', resetTx => '0', resetRx => '0', resetGt => '0', countReset => '0', loopBack => (others => '0'), flowCntlDis => '0', autoStatus => '0', locData => (others => '0'), locDataEn => '0', axilWriteSlave => AXI_LITE_WRITE_SLAVE_INIT_C, axilReadSlave => AXI_LITE_READ_SLAVE_INIT_C ) |
Types
| Name | Type | Description |
|---|---|---|
| RegType | ||
| RxStatusType | ||
| TxStatusType |
Processes
- U_RxErrorIrqEn: ( r )
- unnamed: ( axilClk )
Description
---------------------------------- AXI Registers ---------------------------------- Sync
- unnamed: ( axilRst, axilReadMaster, axilWriteMaster, r, rxStatusSync, txStatusSync )
Description
Async
- U_StatusWord: ( rxStatusSync )
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_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
Sync flow cntl disable