| Line 92... |
Line 92... |
TxDoneOut, TxAbortOut, TxUsedDataOut, WillSendControlFrame, TxCtrlEndFrm,
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TxDoneOut, TxAbortOut, TxUsedDataOut, WillSendControlFrame, TxCtrlEndFrm,
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ReceivedPauseFrm, ControlFrmAddressOK, SetPauseTimer, r_PassAll, RxStatusWriteLatched_sync2
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ReceivedPauseFrm, ControlFrmAddressOK, SetPauseTimer, r_PassAll, RxStatusWriteLatched_sync2
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);
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);
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parameter Tp = 1;
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input MTxClk; // Transmit clock (from PHY)
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input MTxClk; // Transmit clock (from PHY)
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input MRxClk; // Receive clock (from PHY)
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input MRxClk; // Receive clock (from PHY)
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input TxReset; // Transmit reset
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input TxReset; // Transmit reset
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input RxReset; // Receive reset
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input RxReset; // Receive reset
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| Line 155... |
Line 153... |
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// Signal TxUsedDataOut was detected (a transfer is already in progress)
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// Signal TxUsedDataOut was detected (a transfer is already in progress)
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always @ (posedge MTxClk or posedge TxReset)
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always @ (posedge MTxClk or posedge TxReset)
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begin
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begin
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if(TxReset)
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if(TxReset)
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TxUsedDataOutDetected <= #Tp 1'b0;
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TxUsedDataOutDetected <= 1'b0;
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else
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else
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if(TxDoneIn | TxAbortIn)
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if(TxDoneIn | TxAbortIn)
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TxUsedDataOutDetected <= #Tp 1'b0;
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TxUsedDataOutDetected <= 1'b0;
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else
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else
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if(TxUsedDataOut)
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if(TxUsedDataOut)
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TxUsedDataOutDetected <= #Tp 1'b1;
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TxUsedDataOutDetected <= 1'b1;
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end
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end
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// Latching variables
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// Latching variables
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always @ (posedge MTxClk or posedge TxReset)
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always @ (posedge MTxClk or posedge TxReset)
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begin
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begin
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if(TxReset)
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if(TxReset)
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begin
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begin
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TxAbortInLatched <= #Tp 1'b0;
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TxAbortInLatched <= 1'b0;
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TxDoneInLatched <= #Tp 1'b0;
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TxDoneInLatched <= 1'b0;
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end
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end
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else
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else
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begin
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begin
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TxAbortInLatched <= #Tp TxAbortIn;
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TxAbortInLatched <= TxAbortIn;
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TxDoneInLatched <= #Tp TxDoneIn;
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TxDoneInLatched <= TxDoneIn;
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end
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end
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end
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end
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// Generating muxed abort signal
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// Generating muxed abort signal
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always @ (posedge MTxClk or posedge TxReset)
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always @ (posedge MTxClk or posedge TxReset)
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begin
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begin
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if(TxReset)
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if(TxReset)
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MuxedAbort <= #Tp 1'b0;
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MuxedAbort <= 1'b0;
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else
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else
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if(TxStartFrmIn)
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if(TxStartFrmIn)
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MuxedAbort <= #Tp 1'b0;
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MuxedAbort <= 1'b0;
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else
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else
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if(TxAbortIn & ~TxAbortInLatched & TxUsedDataOutDetected)
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if(TxAbortIn & ~TxAbortInLatched & TxUsedDataOutDetected)
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MuxedAbort <= #Tp 1'b1;
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MuxedAbort <= 1'b1;
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end
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end
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// Generating muxed done signal
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// Generating muxed done signal
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always @ (posedge MTxClk or posedge TxReset)
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always @ (posedge MTxClk or posedge TxReset)
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begin
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begin
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if(TxReset)
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if(TxReset)
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MuxedDone <= #Tp 1'b0;
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MuxedDone <= 1'b0;
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else
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else
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if(TxStartFrmIn)
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if(TxStartFrmIn)
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MuxedDone <= #Tp 1'b0;
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MuxedDone <= 1'b0;
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else
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else
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if(TxDoneIn & (~TxDoneInLatched) & TxUsedDataOutDetected)
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if(TxDoneIn & (~TxDoneInLatched) & TxUsedDataOutDetected)
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MuxedDone <= #Tp 1'b1;
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MuxedDone <= 1'b1;
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end
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end
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// TxDoneOut
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// TxDoneOut
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assign TxDoneOut = CtrlMux? ((~TxStartFrmIn) & (~BlockTxDone) & MuxedDone) :
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assign TxDoneOut = CtrlMux? ((~TxStartFrmIn) & (~BlockTxDone) & MuxedDone) :
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| Line 243... |
Line 241... |
assign CrcEnOut = CrcEnIn | SendingCtrlFrm;
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assign CrcEnOut = CrcEnIn | SendingCtrlFrm;
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// Connecting receivecontrol module
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// Connecting receivecontrol module
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eth_receivecontrol #(.Tp(Tp))
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eth_receivecontrol receivecontrol1
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receivecontrol1
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(
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(
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.MTxClk(MTxClk), .MRxClk(MRxClk), .TxReset(TxReset), .RxReset(RxReset), .RxData(RxData),
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.MTxClk(MTxClk), .MRxClk(MRxClk), .TxReset(TxReset), .RxReset(RxReset), .RxData(RxData),
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.RxValid(RxValid), .RxStartFrm(RxStartFrm), .RxEndFrm(RxEndFrm), .RxFlow(RxFlow),
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.RxValid(RxValid), .RxStartFrm(RxStartFrm), .RxEndFrm(RxEndFrm), .RxFlow(RxFlow),
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.ReceiveEnd(ReceiveEnd), .MAC(MAC), .DlyCrcEn(DlyCrcEn), .TxDoneIn(TxDoneIn),
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.ReceiveEnd(ReceiveEnd), .MAC(MAC), .DlyCrcEn(DlyCrcEn), .TxDoneIn(TxDoneIn),
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.TxAbortIn(TxAbortIn), .TxStartFrmOut(TxStartFrmOut), .ReceivedLengthOK(ReceivedLengthOK),
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.TxAbortIn(TxAbortIn), .TxStartFrmOut(TxStartFrmOut), .ReceivedLengthOK(ReceivedLengthOK),
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| Line 256... |
Line 253... |
.Pause(Pause), .ReceivedPauseFrm(ReceivedPauseFrm), .AddressOK(ControlFrmAddressOK),
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.Pause(Pause), .ReceivedPauseFrm(ReceivedPauseFrm), .AddressOK(ControlFrmAddressOK),
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.r_PassAll(r_PassAll), .RxStatusWriteLatched_sync2(RxStatusWriteLatched_sync2), .SetPauseTimer(SetPauseTimer)
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.r_PassAll(r_PassAll), .RxStatusWriteLatched_sync2(RxStatusWriteLatched_sync2), .SetPauseTimer(SetPauseTimer)
|
);
|
);
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|
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|
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eth_transmitcontrol #(.Tp(Tp))
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eth_transmitcontrol transmitcontrol1
|
transmitcontrol1
|
|
(
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(
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.MTxClk(MTxClk), .TxReset(TxReset), .TxUsedDataIn(TxUsedDataIn), .TxUsedDataOut(TxUsedDataOut),
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.MTxClk(MTxClk), .TxReset(TxReset), .TxUsedDataIn(TxUsedDataIn), .TxUsedDataOut(TxUsedDataOut),
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.TxDoneIn(TxDoneIn), .TxAbortIn(TxAbortIn), .TxStartFrmIn(TxStartFrmIn), .TPauseRq(TPauseRq),
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.TxDoneIn(TxDoneIn), .TxAbortIn(TxAbortIn), .TxStartFrmIn(TxStartFrmIn), .TPauseRq(TPauseRq),
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.TxUsedDataOutDetected(TxUsedDataOutDetected), .TxFlow(TxFlow), .DlyCrcEn(DlyCrcEn), .TxPauseTV(TxPauseTV),
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.TxUsedDataOutDetected(TxUsedDataOutDetected), .TxFlow(TxFlow), .DlyCrcEn(DlyCrcEn), .TxPauseTV(TxPauseTV),
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.MAC(MAC), .TxCtrlStartFrm(TxCtrlStartFrm), .TxCtrlEndFrm(TxCtrlEndFrm), .SendingCtrlFrm(SendingCtrlFrm),
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.MAC(MAC), .TxCtrlStartFrm(TxCtrlStartFrm), .TxCtrlEndFrm(TxCtrlEndFrm), .SendingCtrlFrm(SendingCtrlFrm),
|
