OpenCores
URL https://opencores.org/ocsvn/qaz_libs/qaz_libs/trunk

Subversion Repositories qaz_libs

[/] [qaz_libs/] [trunk/] [axi4_stream_lib/] [src/] [axis_eop_mux.sv] - Blame information for rev 46

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 36 qaztronic
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
//// Copyright (C) 2017 Authors and OPENCORES.ORG                 ////
4
////                                                              ////
5
//// This source file may be used and distributed without         ////
6
//// restriction provided that this copyright statement is not    ////
7
//// removed from the file and that any derivative work contains  ////
8
//// the original copyright notice and the associated disclaimer. ////
9
////                                                              ////
10
//// This source file is free software; you can redistribute it   ////
11
//// and/or modify it under the terms of the GNU Lesser General   ////
12
//// Public License as published by the Free Software Foundation; ////
13
//// either version 2.1 of the License, or (at your option) any   ////
14
//// later version.                                               ////
15
////                                                              ////
16
//// This source is distributed in the hope that it will be       ////
17
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
18
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
19
//// PURPOSE.  See the GNU Lesser General Public License for more ////
20
//// details.                                                     ////
21
////                                                              ////
22
//// You should have received a copy of the GNU Lesser General    ////
23
//// Public License along with this source; if not, download it   ////
24
//// from http://www.opencores.org/lgpl.shtml                     ////
25
////                                                              ////
26
//////////////////////////////////////////////////////////////////////
27
 
28
 
29
module
30
  axis_eop_mux
31
  #(
32
    U_IS_EOP = -1, // set to -1 for tlast, else set to index of tuser
33
    MA, // select width
34
    MD = 2 ** MA
35
  )
36
  (
37
    axis_if axis_in[MD-1:0],
38
    input   [MA-1:0] select,
39
    output  axis_eop,
40
    input   aclk,
41
    input   aresetn
42
  );
43
 
44
  // --------------------------------------------------------------------
45
  //
46
  wire eop_out[MD-1:0];
47
  genvar j;
48
 
49
  generate
50
    for(j = 0; j < MD; j++)
51
      begin: eop_gen
52
        axis_eop_set #(U_IS_EOP)
53
          axis_eop_set_i
54
          (
55
            .axis_in(axis_in[j]),
56
            .tready(axis_in[j].tready),
57
            .tvalid(axis_in[j].tvalid),
58
            .axis_eop(eop_out[j]),
59
            .*
60
          );
61
      end
62
  endgenerate
63
 
64
 
65
  // --------------------------------------------------------------------
66
  //
67
  recursive_mux #(.A(MA), .W(1))
68
    recursive_mux_i(select, eop_out, axis_eop);
69
 
70
 
71
// --------------------------------------------------------------------
72
//
73
endmodule
74
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.