OpenCores
URL https://opencores.org/ocsvn/ethmac/ethmac/trunk

Subversion Repositories ethmac

Compare Revisions

  • This comparison shows the changes necessary to convert path 
    /
    from Rev 118 to Rev 117
    ↔ Reverse comparison
  •

Rev 118 → Rev 117

/trunk/rtl/verilog/eth_wishbone.v
13,7 → 13,7
//// ////
//////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2001, 2002 Authors ////
//// Copyright (C) 2001 Authors ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
41,9 → 41,6
// CVS Revision History
//
// $Log: not supported by cvs2svn $
// Revision 1.28 2002/07/18 16:11:46 mohor
// RxBDAddress takes `ETH_TX_BD_NUM_DEF value after reset.
//
// Revision 1.27 2002/07/11 02:53:20 mohor
// RxPointer bug fixed.
//
835,7 → 832,7
 
assign MasterAccessFinished = m_wb_ack_i | m_wb_err_i;
reg cyc_cleared;
 
// Enabling master wishbone access to the memory for two devices TX and RX.
always @ (posedge WB_CLK_I or posedge Reset)
begin
1631,10 → 1628,6
reg ShiftEnded_tck;
reg ShiftEndedSync1;
reg ShiftEndedSync2;
reg ShiftEndedSync3;
reg ShiftEndedSync_c1;
reg ShiftEndedSync_c2;
 
wire StartShiftWillEnd;
//assign StartShiftWillEnd = LastByteIn & (&RxByteCnt) | RxValid & RxEndFrm & (&RxByteCnt) & RxEnableWindow;
assign StartShiftWillEnd = LastByteIn | RxValid & RxEndFrm & (&RxByteCnt) & RxEnableWindow;
1842,7 → 1835,7
.clk(WB_CLK_I), .reset(Reset),
.write(WriteRxDataToFifo_wb), .read(MasterWbRX & m_wb_ack_i),
.clear(RxFifoReset), .full(RxBufferFull),
.almost_full(), .almost_empty(RxBufferAlmostEmpty),
.almost_full(RxBufferAlmostFull), .almost_empty(RxBufferAlmostEmpty),
.empty(RxBufferEmpty), .cnt()
);
 
1856,10 → 1849,10
if(Reset)
ShiftEnded_tck <=#Tp 1'b0;
else
if(~RxAbort & SetWriteRxDataToFifo & StartShiftWillEnd)
if(SetWriteRxDataToFifo & StartShiftWillEnd & ~RxAbort & ~ShiftEnded_tck)
ShiftEnded_tck <=#Tp 1'b1;
else
if(RxAbort | ShiftEndedSync_c1 & ShiftEndedSync_c2)
if(ShiftEnded | RxAbort)
ShiftEnded_tck <=#Tp 1'b0;
end
 
1879,17 → 1872,6
ShiftEndedSync2 <=#Tp ShiftEndedSync1;
end
 
always @ (posedge WB_CLK_I or posedge Reset)
begin
if(Reset)
ShiftEndedSync3 <=#Tp 1'b0;
else
if(ShiftEndedSync1 & ~ShiftEndedSync2)
ShiftEndedSync3 <=#Tp 1'b1;
else
if(ShiftEnded)
ShiftEndedSync3 <=#Tp 1'b0;
end
 
// Generation of the end-of-frame signal
always @ (posedge WB_CLK_I or posedge Reset)
1897,7 → 1879,7
if(Reset)
ShiftEnded <=#Tp 1'b0;
else
if(ShiftEndedSync3 & MasterWbRX & m_wb_ack_i & RxBufferAlmostEmpty & ~ShiftEnded)
if(ShiftEndedSync2 & MasterWbRX & m_wb_ack_i & RxBufferAlmostEmpty & ~ShiftEnded)
ShiftEnded <=#Tp 1'b1;
else
if(RxStatusWrite)
1904,22 → 1886,7
ShiftEnded <=#Tp 1'b0;
end
 
always @ (posedge MRxClk or posedge Reset)
begin
if(Reset)
ShiftEndedSync_c1 <=#Tp 1'b0;
else
ShiftEndedSync_c1 <=#Tp ShiftEndedSync2;
end
 
always @ (posedge MRxClk or posedge Reset)
begin
if(Reset)
ShiftEndedSync_c2 <=#Tp 1'b0;
else
ShiftEndedSync_c2 <=#Tp ShiftEndedSync_c1;
end
 
// Generation of the end-of-frame signal
always @ (posedge MRxClk or posedge Reset)
begin

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.