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julius |
//////////////////////////////////////////////////////////////////////
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//// ////
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//// usbSlave.v ////
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//// ////
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//// This file is part of the usbhostslave opencores effort.
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//// <http://www.opencores.org/cores//> ////
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//// ////
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//// Module Description: ////
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//// Top level module
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//// ////
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//// To Do: ////
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////
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//// ////
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//// Author(s): ////
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//// - Steve Fielding, sfielding@base2designs.com ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// Copyright (C) 2008 Steve Fielding and OPENCORES.ORG ////
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//// ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// from <http://www.opencores.org/lgpl.shtml> ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//
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`include "timescale.v"
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module usbslave_simlib(
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clk_i,
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rst_i,
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address_i,
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data_i,
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data_o,
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we_i,
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strobe_i,
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ack_o,
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usbClk,
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slaveVBusDetIntOut,
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slaveNAKSentIntOut,
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slaveSOFRxedIntOut,
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slaveResetEventIntOut,
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slaveResumeIntOut,
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slaveTransDoneIntOut,
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USBWireDataIn,
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USBWireDataInTick,
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USBWireDataOut,
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USBWireDataOutTick,
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USBWireCtrlOut,
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USBFullSpeed,
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USBDPlusPullup,
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USBDMinusPullup,
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vBusDetect
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);
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parameter EP0_FIFO_DEPTH = 64;
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parameter EP0_FIFO_ADDR_WIDTH = 6;
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parameter EP1_FIFO_DEPTH = 64;
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parameter EP1_FIFO_ADDR_WIDTH = 6;
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parameter EP2_FIFO_DEPTH = 64;
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parameter EP2_FIFO_ADDR_WIDTH = 6;
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parameter EP3_FIFO_DEPTH = 64;
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parameter EP3_FIFO_ADDR_WIDTH = 6;
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input clk_i; //Wishbone bus clock. Maximum 5*usbClk=240MHz
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input rst_i; //Wishbone bus sync reset. Synchronous to 'clk_i'. Resets all logic
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input [7:0] address_i; //Wishbone bus address in
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input [7:0] data_i; //Wishbone bus data in
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output [7:0] data_o; //Wishbone bus data out
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input we_i; //Wishbone bus write enable in
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input strobe_i; //Wishbone bus strobe in
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output ack_o; //Wishbone bus acknowledge out
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input usbClk; //usb clock. 48Mhz +/-0.25%
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output slaveSOFRxedIntOut;
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output slaveResetEventIntOut;
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output slaveResumeIntOut;
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output slaveTransDoneIntOut;
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output slaveNAKSentIntOut;
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output slaveVBusDetIntOut;
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input [1:0] USBWireDataIn;
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output [1:0] USBWireDataOut;
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output USBWireDataOutTick;
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output USBWireDataInTick;
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output USBWireCtrlOut;
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output USBFullSpeed;
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output USBDPlusPullup;
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output USBDMinusPullup;
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input vBusDetect;
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wire clk_i;
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wire rst_i;
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wire [7:0] address_i;
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wire [7:0] data_i;
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wire [7:0] data_o;
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wire we_i;
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wire strobe_i;
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wire ack_o;
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wire usbClk;
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wire slaveSOFRxedIntOut;
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wire slaveResetEventIntOut;
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wire slaveResumeIntOut;
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wire slaveTransDoneIntOut;
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wire slaveNAKSentIntOut;
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wire slaveVBusDetIntOut;
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wire [1:0] USBWireDataIn;
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wire [1:0] USBWireDataOut;
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wire USBWireDataOutTick;
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wire USBWireDataInTick;
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wire USBWireCtrlOut;
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wire USBFullSpeed;
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wire USBDPlusPullup;
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wire USBDMinusPullup;
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wire vBusDetect;
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//internal wiring
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wire slaveControlSel;
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wire hostSlaveMuxSel;
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wire [7:0] dataFromSlaveControl;
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wire [7:0] dataFromHostSlaveMux;
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wire [7:0] RxCtrlOut;
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wire [7:0] RxDataFromSIE;
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wire RxDataOutWEn;
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wire fullSpeedBitRateFromSlave;
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wire fullSpeedPolarityFromSlave;
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wire SIEPortWEnFromSlave;
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wire SIEPortTxRdy;
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wire [7:0] SIEPortDataInFromSlave;
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wire [7:0] SIEPortCtrlInFromSlave;
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wire [1:0] connectState;
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wire resumeDetected;
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wire [7:0] SIEPortDataInToSIE;
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wire SIEPortWEnToSIE;
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wire [7:0] SIEPortCtrlInToSIE;
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wire fullSpeedPolarityToSIE;
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wire fullSpeedBitRateToSIE;
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wire connectSlaveToHost;
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wire noActivityTimeOut;
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wire TxFifoEP0REn;
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wire TxFifoEP1REn;
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wire TxFifoEP2REn;
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wire TxFifoEP3REn;
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wire [7:0] TxFifoEP0Data;
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wire [7:0] TxFifoEP1Data;
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wire [7:0] TxFifoEP2Data;
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wire [7:0] TxFifoEP3Data;
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wire TxFifoEP0Empty;
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wire TxFifoEP1Empty;
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wire TxFifoEP2Empty;
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wire TxFifoEP3Empty;
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wire RxFifoEP0WEn;
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wire RxFifoEP1WEn;
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wire RxFifoEP2WEn;
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wire RxFifoEP3WEn;
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wire RxFifoEP0Full;
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wire RxFifoEP1Full;
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wire RxFifoEP2Full;
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wire RxFifoEP3Full;
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wire [7:0] slaveRxFifoData;
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wire [7:0] dataFromEP0RxFifo;
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wire [7:0] dataFromEP1RxFifo;
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wire [7:0] dataFromEP2RxFifo;
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wire [7:0] dataFromEP3RxFifo;
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wire [7:0] dataFromEP0TxFifo;
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wire [7:0] dataFromEP1TxFifo;
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wire [7:0] dataFromEP2TxFifo;
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wire [7:0] dataFromEP3TxFifo;
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wire slaveEP0RxFifoSel;
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wire slaveEP1RxFifoSel;
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wire slaveEP2RxFifoSel;
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wire slaveEP3RxFifoSel;
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wire slaveEP0TxFifoSel;
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wire slaveEP1TxFifoSel;
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wire slaveEP2TxFifoSel;
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wire slaveEP3TxFifoSel;
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wire rstSyncToBusClk;
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wire rstSyncToUsbClk;
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wire noActivityTimeOutEnableToSIE;
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wire noActivityTimeOutEnableFromHost;
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wire noActivityTimeOutEnableFromSlave;
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assign USBFullSpeed = fullSpeedBitRateToSIE;
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assign USBDPlusPullup = (USBFullSpeed & connectSlaveToHost);
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assign USBDMinusPullup = (~USBFullSpeed & connectSlaveToHost);
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usbSlaveControl_simlib u_usbSlaveControl(
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.busClk(clk_i),
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.rstSyncToBusClk(rstSyncToBusClk),
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.usbClk(usbClk),
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.rstSyncToUsbClk(rstSyncToUsbClk),
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.RxByteStatus(RxCtrlOut),
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.RxData(RxDataFromSIE),
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.RxDataValid(RxDataOutWEn),
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.SIERxTimeOut(noActivityTimeOut),
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.SIERxTimeOutEn(noActivityTimeOutEnableFromSlave),
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.RxFifoData(slaveRxFifoData),
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.connectSlaveToHost(connectSlaveToHost),
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.fullSpeedRate(fullSpeedBitRateFromSlave),
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.fullSpeedPol(fullSpeedPolarityFromSlave),
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.SCTxPortEn(SIEPortWEnFromSlave),
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.SCTxPortRdy(SIEPortTxRdy),
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.SCTxPortData(SIEPortDataInFromSlave),
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.SCTxPortCtrl(SIEPortCtrlInFromSlave),
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.vBusDetect(vBusDetect),
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.connectStateIn(connectState),
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.resumeDetectedIn(resumeDetected),
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.busAddress(address_i[4:0]),
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.busDataIn(data_i),
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.busDataOut(dataFromSlaveControl),
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.busWriteEn(we_i),
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.busStrobe_i(strobe_i),
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.SOFRxedIntOut(slaveSOFRxedIntOut),
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.resetEventIntOut(slaveResetEventIntOut),
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.resumeIntOut(slaveResumeIntOut),
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.transDoneIntOut(slaveTransDoneIntOut),
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.NAKSentIntOut(slaveNAKSentIntOut),
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.vBusDetIntOut(slaveVBusDetIntOut),
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.slaveControlSelect(slaveControlSel),
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.TxFifoEP0REn(TxFifoEP0REn),
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.TxFifoEP1REn(TxFifoEP1REn),
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.TxFifoEP2REn(TxFifoEP2REn),
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.TxFifoEP3REn(TxFifoEP3REn),
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.TxFifoEP0Data(TxFifoEP0Data),
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.TxFifoEP1Data(TxFifoEP1Data),
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.TxFifoEP2Data(TxFifoEP2Data),
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.TxFifoEP3Data(TxFifoEP3Data),
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.TxFifoEP0Empty(TxFifoEP0Empty),
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.TxFifoEP1Empty(TxFifoEP1Empty),
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.TxFifoEP2Empty(TxFifoEP2Empty),
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.TxFifoEP3Empty(TxFifoEP3Empty),
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.RxFifoEP0WEn(RxFifoEP0WEn),
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.RxFifoEP1WEn(RxFifoEP1WEn),
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.RxFifoEP2WEn(RxFifoEP2WEn),
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.RxFifoEP3WEn(RxFifoEP3WEn),
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.RxFifoEP0Full(RxFifoEP0Full),
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.RxFifoEP1Full(RxFifoEP1Full),
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.RxFifoEP2Full(RxFifoEP2Full),
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.RxFifoEP3Full(RxFifoEP3Full)
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);
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wishBoneBI_simlib u_wishBoneBI (
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.address(address_i),
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.dataIn(data_i),
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.dataOut(data_o),
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.writeEn(we_i),
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.strobe_i(strobe_i),
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263 |
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.ack_o(ack_o),
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.clk(clk_i),
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.rst(rstSyncToBusClk),
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266 |
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.hostControlSel(),
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.hostRxFifoSel(),
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.hostTxFifoSel(),
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.slaveControlSel(slaveControlSel),
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.slaveEP0RxFifoSel(slaveEP0RxFifoSel),
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.slaveEP1RxFifoSel(slaveEP1RxFifoSel),
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.slaveEP2RxFifoSel(slaveEP2RxFifoSel),
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.slaveEP3RxFifoSel(slaveEP3RxFifoSel),
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.slaveEP0TxFifoSel(slaveEP0TxFifoSel),
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275 |
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.slaveEP1TxFifoSel(slaveEP1TxFifoSel),
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276 |
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.slaveEP2TxFifoSel(slaveEP2TxFifoSel),
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277 |
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.slaveEP3TxFifoSel(slaveEP3TxFifoSel),
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278 |
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.hostSlaveMuxSel(hostSlaveMuxSel),
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279 |
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.dataFromHostControl(8'h00),
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280 |
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.dataFromHostRxFifo(8'h00),
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281 |
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.dataFromHostTxFifo(8'h00),
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282 |
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.dataFromSlaveControl(dataFromSlaveControl),
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283 |
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.dataFromEP0RxFifo(dataFromEP0RxFifo),
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284 |
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.dataFromEP1RxFifo(dataFromEP1RxFifo),
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285 |
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.dataFromEP2RxFifo(dataFromEP2RxFifo),
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286 |
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.dataFromEP3RxFifo(dataFromEP3RxFifo),
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287 |
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.dataFromEP0TxFifo(dataFromEP0TxFifo),
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288 |
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.dataFromEP1TxFifo(dataFromEP1TxFifo),
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289 |
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.dataFromEP2TxFifo(dataFromEP2TxFifo),
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290 |
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.dataFromEP3TxFifo(dataFromEP3TxFifo),
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291 |
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.dataFromHostSlaveMux(dataFromHostSlaveMux)
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292 |
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);
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293 |
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294 |
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295 |
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296 |
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assign SIEPortCtrlInToSIE = SIEPortCtrlInFromSlave;
|
297 |
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assign SIEPortDataInToSIE = SIEPortDataInFromSlave;
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298 |
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assign SIEPortWEnToSIE = SIEPortWEnFromSlave;
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299 |
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assign fullSpeedPolarityToSIE = fullSpeedPolarityFromSlave;
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300 |
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assign fullSpeedBitRateToSIE = fullSpeedBitRateFromSlave;
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301 |
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assign noActivityTimeOutEnableToSIE = noActivityTimeOutEnableFromSlave;
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302 |
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303 |
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hostSlaveMuxBI_simlib u_hostSlaveMuxBI (
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304 |
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.dataIn(data_i),
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305 |
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.dataOut(dataFromHostSlaveMux),
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306 |
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.address(address_i[0]),
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307 |
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.writeEn(we_i),
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308 |
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.strobe_i(strobe_i),
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309 |
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.usbClk(usbClk),
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310 |
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.busClk(clk_i),
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311 |
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.hostSlaveMuxSel(hostSlaveMuxSel),
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312 |
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.hostMode(),
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313 |
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.rstFromWire(rst_i),
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314 |
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.rstSyncToBusClkOut(rstSyncToBusClk),
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315 |
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.rstSyncToUsbClkOut(rstSyncToUsbClk)
|
316 |
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);
|
317 |
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318 |
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usbSerialInterfaceEngine_simlib u_usbSerialInterfaceEngine(
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319 |
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.clk(usbClk),
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320 |
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.rst(rstSyncToUsbClk),
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321 |
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.USBWireDataIn(USBWireDataIn),
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322 |
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.USBWireDataOut(USBWireDataOut),
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323 |
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.USBWireDataInTick(USBWireDataInTick),
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324 |
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.USBWireDataOutTick(USBWireDataOutTick),
|
325 |
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.USBWireCtrlOut(USBWireCtrlOut),
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326 |
|
|
.connectState(connectState),
|
327 |
|
|
.resumeDetected(resumeDetected),
|
328 |
|
|
.RxCtrlOut(RxCtrlOut),
|
329 |
|
|
.RxDataOutWEn(RxDataOutWEn),
|
330 |
|
|
.RxDataOut(RxDataFromSIE),
|
331 |
|
|
.SIEPortCtrlIn(SIEPortCtrlInToSIE),
|
332 |
|
|
.SIEPortDataIn(SIEPortDataInToSIE),
|
333 |
|
|
.SIEPortTxRdy(SIEPortTxRdy),
|
334 |
|
|
.SIEPortWEn(SIEPortWEnToSIE),
|
335 |
|
|
.fullSpeedPolarity(fullSpeedPolarityToSIE),
|
336 |
|
|
.fullSpeedBitRate(fullSpeedBitRateToSIE),
|
337 |
|
|
.noActivityTimeOut(noActivityTimeOut),
|
338 |
|
|
.noActivityTimeOutEnable(noActivityTimeOutEnableToSIE)
|
339 |
|
|
);
|
340 |
|
|
|
341 |
|
|
|
342 |
|
|
|
343 |
|
|
//---Slave fifos
|
344 |
|
|
|
345 |
|
|
TxFifo_simlib #(EP0_FIFO_DEPTH, EP0_FIFO_ADDR_WIDTH) EP0TxFifo (
|
346 |
|
|
.usbClk(usbClk),
|
347 |
|
|
.busClk(clk_i),
|
348 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
349 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
350 |
|
|
.fifoREn(TxFifoEP0REn),
|
351 |
|
|
.fifoEmpty(TxFifoEP0Empty),
|
352 |
|
|
.busAddress(address_i[2:0]),
|
353 |
|
|
.busWriteEn(we_i),
|
354 |
|
|
.busStrobe_i(strobe_i),
|
355 |
|
|
.busFifoSelect(slaveEP0TxFifoSel),
|
356 |
|
|
.busDataIn(data_i),
|
357 |
|
|
.busDataOut(dataFromEP0TxFifo),
|
358 |
|
|
.fifoDataOut(TxFifoEP0Data) );
|
359 |
|
|
|
360 |
|
|
TxFifo_simlib #(EP1_FIFO_DEPTH, EP1_FIFO_ADDR_WIDTH) EP1TxFifo (
|
361 |
|
|
.usbClk(usbClk),
|
362 |
|
|
.busClk(clk_i),
|
363 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
364 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
365 |
|
|
.fifoREn(TxFifoEP1REn),
|
366 |
|
|
.fifoEmpty(TxFifoEP1Empty),
|
367 |
|
|
.busAddress(address_i[2:0]),
|
368 |
|
|
.busWriteEn(we_i),
|
369 |
|
|
.busStrobe_i(strobe_i),
|
370 |
|
|
.busFifoSelect(slaveEP1TxFifoSel),
|
371 |
|
|
.busDataIn(data_i),
|
372 |
|
|
.busDataOut(dataFromEP1TxFifo),
|
373 |
|
|
.fifoDataOut(TxFifoEP1Data) );
|
374 |
|
|
|
375 |
|
|
TxFifo_simlib #(EP2_FIFO_DEPTH, EP2_FIFO_ADDR_WIDTH) EP2TxFifo (
|
376 |
|
|
.usbClk(usbClk),
|
377 |
|
|
.busClk(clk_i),
|
378 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
379 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
380 |
|
|
.fifoREn(TxFifoEP2REn),
|
381 |
|
|
.fifoEmpty(TxFifoEP2Empty),
|
382 |
|
|
.busAddress(address_i[2:0]),
|
383 |
|
|
.busWriteEn(we_i),
|
384 |
|
|
.busStrobe_i(strobe_i),
|
385 |
|
|
.busFifoSelect(slaveEP2TxFifoSel),
|
386 |
|
|
.busDataIn(data_i),
|
387 |
|
|
.busDataOut(dataFromEP2TxFifo),
|
388 |
|
|
.fifoDataOut(TxFifoEP2Data) );
|
389 |
|
|
|
390 |
|
|
TxFifo_simlib #(EP3_FIFO_DEPTH, EP3_FIFO_ADDR_WIDTH) EP3TxFifo (
|
391 |
|
|
.usbClk(usbClk),
|
392 |
|
|
.busClk(clk_i),
|
393 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
394 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
395 |
|
|
.fifoREn(TxFifoEP3REn),
|
396 |
|
|
.fifoEmpty(TxFifoEP3Empty),
|
397 |
|
|
.busAddress(address_i[2:0]),
|
398 |
|
|
.busWriteEn(we_i),
|
399 |
|
|
.busStrobe_i(strobe_i),
|
400 |
|
|
.busFifoSelect(slaveEP3TxFifoSel),
|
401 |
|
|
.busDataIn(data_i),
|
402 |
|
|
.busDataOut(dataFromEP3TxFifo),
|
403 |
|
|
.fifoDataOut(TxFifoEP3Data) );
|
404 |
|
|
|
405 |
|
|
RxFifo_simlib #(EP0_FIFO_DEPTH, EP0_FIFO_ADDR_WIDTH) EP0RxFifo(
|
406 |
|
|
.usbClk(usbClk),
|
407 |
|
|
.busClk(clk_i),
|
408 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
409 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
410 |
|
|
.fifoWEn(RxFifoEP0WEn),
|
411 |
|
|
.fifoFull(RxFifoEP0Full),
|
412 |
|
|
.busAddress(address_i[2:0]),
|
413 |
|
|
.busWriteEn(we_i),
|
414 |
|
|
.busStrobe_i(strobe_i),
|
415 |
|
|
.busFifoSelect(slaveEP0RxFifoSel),
|
416 |
|
|
.busDataIn(data_i),
|
417 |
|
|
.busDataOut(dataFromEP0RxFifo),
|
418 |
|
|
.fifoDataIn(slaveRxFifoData) );
|
419 |
|
|
|
420 |
|
|
RxFifo_simlib #(EP1_FIFO_DEPTH, EP1_FIFO_ADDR_WIDTH) EP1RxFifo(
|
421 |
|
|
.usbClk(usbClk),
|
422 |
|
|
.busClk(clk_i),
|
423 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
424 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
425 |
|
|
.fifoWEn(RxFifoEP1WEn),
|
426 |
|
|
.fifoFull(RxFifoEP1Full),
|
427 |
|
|
.busAddress(address_i[2:0]),
|
428 |
|
|
.busWriteEn(we_i),
|
429 |
|
|
.busStrobe_i(strobe_i),
|
430 |
|
|
.busFifoSelect(slaveEP1RxFifoSel),
|
431 |
|
|
.busDataIn(data_i),
|
432 |
|
|
.busDataOut(dataFromEP1RxFifo),
|
433 |
|
|
.fifoDataIn(slaveRxFifoData) );
|
434 |
|
|
|
435 |
|
|
RxFifo_simlib #(EP2_FIFO_DEPTH, EP2_FIFO_ADDR_WIDTH) EP2RxFifo(
|
436 |
|
|
.usbClk(usbClk),
|
437 |
|
|
.busClk(clk_i),
|
438 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
439 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
440 |
|
|
.fifoWEn(RxFifoEP2WEn),
|
441 |
|
|
.fifoFull(RxFifoEP2Full),
|
442 |
|
|
.busAddress(address_i[2:0]),
|
443 |
|
|
.busWriteEn(we_i),
|
444 |
|
|
.busStrobe_i(strobe_i),
|
445 |
|
|
.busFifoSelect(slaveEP2RxFifoSel),
|
446 |
|
|
.busDataIn(data_i),
|
447 |
|
|
.busDataOut(dataFromEP2RxFifo),
|
448 |
|
|
.fifoDataIn(slaveRxFifoData) );
|
449 |
|
|
|
450 |
|
|
RxFifo_simlib #(EP3_FIFO_DEPTH, EP3_FIFO_ADDR_WIDTH) EP3RxFifo(
|
451 |
|
|
.usbClk(usbClk),
|
452 |
|
|
.busClk(clk_i),
|
453 |
|
|
.rstSyncToBusClk(rstSyncToBusClk),
|
454 |
|
|
.rstSyncToUsbClk(rstSyncToUsbClk),
|
455 |
|
|
.fifoWEn(RxFifoEP3WEn),
|
456 |
|
|
.fifoFull(RxFifoEP3Full),
|
457 |
|
|
.busAddress(address_i[2:0]),
|
458 |
|
|
.busWriteEn(we_i),
|
459 |
|
|
.busStrobe_i(strobe_i),
|
460 |
|
|
.busFifoSelect(slaveEP3RxFifoSel),
|
461 |
|
|
.busDataIn(data_i),
|
462 |
|
|
.busDataOut(dataFromEP3RxFifo),
|
463 |
|
|
.fifoDataIn(slaveRxFifoData) );
|
464 |
|
|
|
465 |
|
|
|
466 |
|
|
|
467 |
|
|
endmodule
|
468 |
|
|
|
469 |
|
|
|
470 |
|
|
|
471 |
|
|
|
472 |
|
|
|
473 |
|
|
|
474 |
|
|
|