Subversion Repositories 1000base-x

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

////                                                              ////

////  File name "interfaces.v"                                    ////

////                                                              ////

////  This file is part of the :                                  ////

////                                                              ////

//// "1000BASE-X IEEE 802.3-2008 Clause 36 - PCS project"         ////

////                                                              ////

////  http://opencores.org/project,1000base-x                     ////

////                                                              ////

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

////      - D.W.Pegler Cambridge Broadband Networks Ltd           ////

////                                                              ////

////      { peglerd@gmail.com, dwp@cambridgebroadand.com }        ////

////                                                              ////

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////                                                              ////

//// Copyright (C) 2009 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                     ////

////                                                              ////

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`include "timescale_tb.v"

import ethernet_frame::EthernetFrame;

import ethernet_frame::FrameMailBox;

import ethernet_frame::ethernet_address_t;

import ethernet_frame::EthernetSpeed;

interface serial_model_if();

  modport testbench(

    import function string whoami(),

    import task write(int address, integer value),

    import task read(int address, output integer value)

  );

  modport model(

    export function string whoami(),

    export task write(),

    export task read()

  );

endinterface

interface gmii_tx_if();

  modport testbench(

    import function string whoami(),

    import function void queue_frame(EthernetFrame frame),

    import function void queue_delay(time delay),

    import task sleep(time timeout),

    import function void set_speed(EthernetSpeed m)

  );

  modport model(

    export function string whoami(),

    export function void queue_frame(),

    export function void queue_delay(),

    export task sleep(),

    export function void set_speed()

  );

endinterface

interface gmii_rx_if();

  modport testbench(

    import function string whoami(),

    import function void register_mailbox(ethernet_address_t sa, FrameMailBox mbx),

    import function void unregister_mailbox(ethernet_address_t sa),

    import function void enable_loopback(virtual gmii_tx_if intf),

    import function void set_parity_errors(int parity, int errors),

    import function void set_speed(EthernetSpeed m)

  );

  modport model(

    export function string whoami(),

    export function void register_mailbox(),

    export function void unregister_mailbox(),

    export function void enable_loopback(virtual gmii_tx_if intf),

    export function void set_parity_errors(),

    export function void set_speed()

  );

endinterface

interface encoder_8b_tx_if();

  modport testbench(

    import function string whoami(),

    import function void push_8B_symbol(reg[7:0] value),

    import function void push_config(reg[15:0] value),

    import function void queue_frame(EthernetFrame frame),

    import task sleep(time timeout)

  );

  modport model(

    export function string whoami(),

    export function void push_8B_symbol(),

    export function void push_config(),

    export function void queue_frame(),

    export task sleep()

  );

endinterface

interface encoder_10b_rx_if();

  modport testbench(

    import function string whoami()

  );

  modport model(

    export function string whoami()

  );

endinterface

interface decoder_8b_rx_if();

  modport testbench(

    import function string whoami()

  );

  modport model(

    export function string whoami()

  );

endinterface