Subversion Repositories xge_mac

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  File name "tx_hold_fifo.v"                                  ////

////                                                              ////

////  This file is part of the "10GE MAC" project                 ////

////  http://www.opencores.org/cores/xge_mac/                     ////

////                                                              ////

////  Author(s):                                                  ////

////      - A. Tanguay (antanguay@opencores.org)                  ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2008 AUTHORS. All rights reserved.             ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

`include "defines.v"

module tx_stats_fifo(/*AUTOARG*/

  // Outputs

  txsfifo_rdata, txsfifo_rempty,

  // Inputs

  clk_xgmii_tx, reset_xgmii_tx_n, wb_clk_i, wb_rst_i, txsfifo_wdata,

  txsfifo_wen

  );

input         clk_xgmii_tx;

input         reset_xgmii_tx_n;

input         wb_clk_i;

input         wb_rst_i;

input [13:0]  txsfifo_wdata;

input         txsfifo_wen;

output [13:0] txsfifo_rdata;

output        txsfifo_rempty;

generic_fifo #(

  .DWIDTH (14),

  .AWIDTH (`TX_STAT_FIFO_AWIDTH),

  .REGISTER_READ (1),

  .EARLY_READ (1),

  .CLOCK_CROSSING (1),

  .ALMOST_EMPTY_THRESH (7),

  .ALMOST_FULL_THRESH (12),

  .MEM_TYPE (`MEM_AUTO_SMALL)

)

fifo0(

    .wclk (clk_xgmii_tx),

    .wrst_n (reset_xgmii_tx_n),

    .wen (txsfifo_wen),

    .wdata (txsfifo_wdata),

    .wfull (),

    .walmost_full (),

    .rclk (wb_clk_i),

    .rrst_n (~wb_rst_i),

    .ren (1'b1),

    .rdata (txsfifo_rdata),

    .rempty (txsfifo_rempty),

    .ralmost_empty ()

);

endmodule