Entity: HtspRx
- File: HtspRx.vhd
Diagram
Description
Title : HTSP: https://confluence.slac.stanford.edu/x/pQmODw
Company : SLAC National Accelerator Laboratory
Description: HTSP Ethernet Receiver
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 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| remoteMac | out | slv(47 downto 0) | Ethernet Configuration |
| localMac | in | slv(47 downto 0) | |
| broadcastMac | in | slv(47 downto 0) | |
| etherType | in | slv(15 downto 0) | |
| htspClk | in | sl | User interface |
| htspRst | in | sl | |
| htspRxIn | in | HtspRxInType | |
| htspRxOut | out | HtspRxOutType | |
| htspRxMasters | out | AxiStreamMasterArray(NUM_VC_G-1 downto 0) | |
| remRxFifoCtrl | out | AxiStreamCtrlArray(NUM_VC_G-1 downto 0) | Status of local receive FIFOs |
| remRxLinkReady | out | sl | |
| locRxLinkReady | out | sl | |
| phyRxRdy | in | sl | PHY interface |
| phyRxMaster | in | AxiStreamMasterType |
Signals
| Name | Type | Description |
|---|---|---|
| r | RegType | |
| rin | RegType | |
| htspRxMaster | AxiStreamMasterType |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| REG_INIT_C | RegType | ( aliveCnt => (others => '0'), sof => '0', locRxLinkReady => '0', remRxLinkReady => '0', tid => (others => '0'), tDest => (others => '0'), remoteMac => (others => '0'), htspRxOut => HTSP_RX_OUT_INIT_C, remRxFifoCtrl => (others => AXI_STREAM_CTRL_INIT_C), htspRxMasters => (others => AXI_STREAM_MASTER_INIT_C), state => IDLE_S) |
Types
| Name | Type | Description |
|---|---|---|
| StateType | ( IDLE_S, PAYLOAD_S) |
|
| RegType |
Processes
- comb: ( broadcastMac, etherType, htspRst, localMac, phyRxMaster,
phyRxRdy, r )
- seq: ( htspClk )
Instantiations
- U_DeMux: surf.AxiStreamDeMux