Subversion Repositories qaz_libs

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

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//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////

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

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

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

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

interface

  axis_if

  #(

    N = 8,  // data bus width in bytes

    I = 1,  // TID width

    D = 1,  // TDEST width

    U = 1   // TUSER width

  )

  (

    input             aclk,

    input             aresetn

  );

    wire              tvalid;

    wire              tready;

    wire  [(8*N)-1:0] tdata;

    wire  [N-1:0]     tstrb;

    wire  [N-1:0]     tkeep;

    wire              tlast;

    wire  [I-1:0]     tid;

    wire  [D-1:0]     tdest;

    wire  [U-1:0]     tuser;

    // --------------------------------------------------------------------

    //

    default clocking cb_m @(posedge aclk iff aresetn);

      input   aresetn;

      input   aclk;

      output  tvalid;

      input   tready;

      output  tdata;

      output  tstrb;

      output  tkeep;

      output  tlast;

      output  tid;

      output  tdest;

      output  tuser;

    endclocking

    // --------------------------------------------------------------------

    //

    clocking cb_s @(posedge aclk iff aresetn);

      input   aresetn;

      input   aclk;

      input   tvalid;

      output  tready;

      input   tdata;

      input   tstrb;

      input   tkeep;

      input   tlast;

      input   tid;

      input   tdest;

      input   tuser;

    endclocking

    // --------------------------------------------------------------------

    //

    modport

      master

      (

        input     aresetn,

        input     aclk,

        output    tvalid,

        input     tready,

        output    tdata,

        output    tstrb,

        output    tkeep,

        output    tlast,

        output    tid,

        output    tdest,

        output    tuser,

        clocking  cb_m

      );

    // --------------------------------------------------------------------

    //

    modport

      slave

      (

        input     aresetn,

        input     aclk,

        input     tvalid,

        output    tready,

        input     tdata,

        input     tstrb,

        input     tkeep,

        input     tlast,

        input     tid,

        input     tdest,

        input     tuser,

        clocking  cb_s

      );

endinterface: axis_if