//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
//// ////
|
//// ////
|
//// File name "tx_hold_fifo.v" ////
|
//// File name "tx_hold_fifo.v" ////
|
//// ////
|
//// ////
|
//// This file is part of the "10GE MAC" project ////
|
//// This file is part of the "10GE MAC" project ////
|
//// http://www.opencores.org/cores/xge_mac/ ////
|
//// http://www.opencores.org/cores/xge_mac/ ////
|
//// ////
|
//// ////
|
//// Author(s): ////
|
//// Author(s): ////
|
//// - A. Tanguay (antanguay@opencores.org) ////
|
//// - A. Tanguay (antanguay@opencores.org) ////
|
//// ////
|
//// ////
|
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
//// ////
|
//// ////
|
//// Copyright (C) 2008 AUTHORS. All rights reserved. ////
|
//// Copyright (C) 2008 AUTHORS. All rights reserved. ////
|
//// ////
|
//// ////
|
//// This source file may be used and distributed without ////
|
//// This source file may be used and distributed without ////
|
//// restriction provided that this copyright statement is not ////
|
//// restriction provided that this copyright statement is not ////
|
//// removed from the file and that any derivative work contains ////
|
//// removed from the file and that any derivative work contains ////
|
//// the original copyright notice and the associated disclaimer. ////
|
//// the original copyright notice and the associated disclaimer. ////
|
//// ////
|
//// ////
|
//// This source file is free software; you can redistribute it ////
|
//// This source file is free software; you can redistribute it ////
|
//// and/or modify it under the terms of the GNU Lesser General ////
|
//// and/or modify it under the terms of the GNU Lesser General ////
|
//// Public License as published by the Free Software Foundation; ////
|
//// Public License as published by the Free Software Foundation; ////
|
//// either version 2.1 of the License, or (at your option) any ////
|
//// either version 2.1 of the License, or (at your option) any ////
|
//// later version. ////
|
//// later version. ////
|
//// ////
|
//// ////
|
//// This source is distributed in the hope that it will be ////
|
//// This source is distributed in the hope that it will be ////
|
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
|
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
|
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
|
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
|
//// PURPOSE. See the GNU Lesser General Public License for more ////
|
//// PURPOSE. See the GNU Lesser General Public License for more ////
|
//// details. ////
|
//// details. ////
|
//// ////
|
//// ////
|
//// You should have received a copy of the GNU Lesser General ////
|
//// You should have received a copy of the GNU Lesser General ////
|
//// Public License along with this source; if not, download it ////
|
//// Public License along with this source; if not, download it ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// ////
|
//// ////
|
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
|
`include "defines.v"
|
`include "defines.v"
|
|
|
module tx_hold_fifo(/*AUTOARG*/
|
module tx_hold_fifo(/*AUTOARG*/
|
// Outputs
|
// Outputs
|
txhfifo_wfull, txhfifo_walmost_full, txhfifo_rdata,
|
txhfifo_wfull, txhfifo_walmost_full, txhfifo_rdata, txhfifo_rstatus,
|
txhfifo_rstatus, txhfifo_rempty, txhfifo_ralmost_empty,
|
txhfifo_rempty, txhfifo_ralmost_empty,
|
// Inputs
|
// Inputs
|
clk_xgmii_tx, reset_xgmii_tx_n, txhfifo_wdata, txhfifo_wstatus,
|
clk_xgmii_tx, reset_xgmii_tx_n, txhfifo_wdata, txhfifo_wstatus,
|
txhfifo_wen, txhfifo_ren
|
txhfifo_wen, txhfifo_ren
|
);
|
);
|
|
|
input clk_xgmii_tx;
|
input clk_xgmii_tx;
|
input reset_xgmii_tx_n;
|
input reset_xgmii_tx_n;
|
|
|
input [63:0] txhfifo_wdata;
|
input [63:0] txhfifo_wdata;
|
input [7:0] txhfifo_wstatus;
|
input [7:0] txhfifo_wstatus;
|
input txhfifo_wen;
|
input txhfifo_wen;
|
|
|
input txhfifo_ren;
|
input txhfifo_ren;
|
|
|
output txhfifo_wfull;
|
output txhfifo_wfull;
|
output txhfifo_walmost_full;
|
output txhfifo_walmost_full;
|
|
|
output [63:0] txhfifo_rdata;
|
output [63:0] txhfifo_rdata;
|
output [7:0] txhfifo_rstatus;
|
output [7:0] txhfifo_rstatus;
|
output txhfifo_rempty;
|
output txhfifo_rempty;
|
output txhfifo_ralmost_empty;
|
output txhfifo_ralmost_empty;
|
|
|
generic_fifo #(
|
generic_fifo #(
|
.DWIDTH (72),
|
.DWIDTH (72),
|
.AWIDTH (`TX_HOLD_FIFO_AWIDTH),
|
.AWIDTH (`TX_HOLD_FIFO_AWIDTH),
|
.REGISTER_READ (1),
|
.REGISTER_READ (1),
|
.EARLY_READ (1),
|
.EARLY_READ (1),
|
.CLOCK_CROSSING (0),
|
.CLOCK_CROSSING (0),
|
.ALMOST_EMPTY_THRESH (7),
|
.ALMOST_EMPTY_THRESH (7),
|
.ALMOST_FULL_THRESH (4),
|
.ALMOST_FULL_THRESH (4),
|
.MEM_TYPE (`MEM_AUTO_SMALL)
|
.MEM_TYPE (`MEM_AUTO_SMALL)
|
)
|
)
|
fifo0(
|
fifo0(
|
.wclk (clk_xgmii_tx),
|
.wclk (clk_xgmii_tx),
|
.wrst_n (reset_xgmii_tx_n),
|
.wrst_n (reset_xgmii_tx_n),
|
.wen (txhfifo_wen),
|
.wen (txhfifo_wen),
|
.wdata ({txhfifo_wstatus, txhfifo_wdata}),
|
.wdata ({txhfifo_wstatus, txhfifo_wdata}),
|
.wfull (txhfifo_wfull),
|
.wfull (txhfifo_wfull),
|
.walmost_full (txhfifo_walmost_full),
|
.walmost_full (txhfifo_walmost_full),
|
|
|
.rclk (clk_xgmii_tx),
|
.rclk (clk_xgmii_tx),
|
.rrst_n (reset_xgmii_tx_n),
|
.rrst_n (reset_xgmii_tx_n),
|
.ren (txhfifo_ren),
|
.ren (txhfifo_ren),
|
.rdata ({txhfifo_rstatus, txhfifo_rdata}),
|
.rdata ({txhfifo_rstatus, txhfifo_rdata}),
|
.rempty (txhfifo_rempty),
|
.rempty (txhfifo_rempty),
|
.ralmost_empty (txhfifo_ralmost_empty)
|
.ralmost_empty (txhfifo_ralmost_empty)
|
);
|
);
|
|
|
endmodule
|
endmodule
|
|
|
|
|
