Subversion Repositories xge_mac

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

////                                                              ////

////  File name "rx_data_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 rx_data_fifo(/*AUTOARG*/

  // Outputs

  rxdfifo_wfull, rxdfifo_rdata, rxdfifo_rstatus, rxdfifo_rempty,

  rxdfifo_ralmost_empty,

  // Inputs

  clk_xgmii_rx, clk_156m25, reset_xgmii_rx_n, reset_156m25_n,

  rxdfifo_wdata, rxdfifo_wstatus, rxdfifo_wen, rxdfifo_ren

  );

input         clk_xgmii_rx;

input         clk_156m25;

input         reset_xgmii_rx_n;

input         reset_156m25_n;

input [63:0]  rxdfifo_wdata;

input [7:0]   rxdfifo_wstatus;

input         rxdfifo_wen;

input         rxdfifo_ren;

output        rxdfifo_wfull;

output [63:0] rxdfifo_rdata;

output [7:0]  rxdfifo_rstatus;

output        rxdfifo_rempty;

output        rxdfifo_ralmost_empty;

generic_fifo #(

  .DWIDTH (72),

  .AWIDTH (`RX_DATA_FIFO_AWIDTH),

  .REGISTER_READ (0),

  .EARLY_READ (1),

  .CLOCK_CROSSING (1),

  .ALMOST_EMPTY_THRESH (4),

  .MEM_TYPE (`MEM_AUTO_MEDIUM)

)

fifo0(

    .wclk (clk_xgmii_rx),

    .wrst_n (reset_xgmii_rx_n),

    .wen (rxdfifo_wen),

    .wdata ({rxdfifo_wstatus, rxdfifo_wdata}),

    .wfull (rxdfifo_wfull),

    .walmost_full (),

    .rclk (clk_156m25),

    .rrst_n (reset_156m25_n),

    .ren (rxdfifo_ren),

    .rdata ({rxdfifo_rstatus, rxdfifo_rdata}),

    .rempty (rxdfifo_rempty),

    .ralmost_empty (rxdfifo_ralmost_empty)

);

endmodule