1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
|
//////////////////////////////////////////////////////////////////////
//// ////
//// 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_XILINX)
)
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
|