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//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2017 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// 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                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
 
 
module
  recursive_axis_catenate
  #(
    N, // data bus width in bytes
    I = 1, // TID width
    D = 1, // TDEST width
    U = 1, // TUSER width
    U_IS_EOP = -1,
    MA, // mux select width
    MD = 2 ** MA
  )
  (
    axis_if         axis_in [MD-1:0],
    axis_if         axis_out,
    input           aclk,
    input           aresetn
  );
 
  // --------------------------------------------------------------------
  //
  generate
    if(MA == 1)
    begin: catenate_gen
      axis_catenate #(.N(N), .I(I), .D(D), .U(U), .U_IS_EOP(U_IS_EOP))
        axis_catenate_i(.*);
    end
    else
    begin: recursive_catenate_gen
      // --------------------------------------------------------------------
      //
      axis_if #(.N(N), .I(I), .D(D), .U(U)) axis_catenate_out[1:0](.*);
 
      recursive_axis_catenate
        #(
          .N(N),
          .I(I),
          .D(D),
          .U(U),
          .U_IS_EOP(U_IS_EOP),
          .MA(MA - 1)
        )
        catenate_lo
        (
          .axis_in(axis_in[(MD/2)-1:0]),
          .axis_out(axis_catenate_out[0]),
          .*
        );
 
      // --------------------------------------------------------------------
      //
      recursive_axis_catenate
        #(
          .N(N),
          .I(I),
          .D(D),
          .U(U),
          .U_IS_EOP(U_IS_EOP),
          .MA(MA - 1)
        )
        catenate_hi
        (
          .axis_in(axis_in[MD-1:(MD/2)]),
          .axis_out(axis_catenate_out[1]),
          .*
        );
 
      // --------------------------------------------------------------------
      //
      axis_catenate
        #(
          .N(N),
          .I(I),
          .D(D),
          .U(U),
          .U_IS_EOP(U_IS_EOP)
        )
        axis_catenate_i(.axis_in(axis_catenate_out), .*);
    end
  endgenerate
 
 
// --------------------------------------------------------------------
//
endmodule
 

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			`recursive_axis_catenate`
31			`#(`
32			`N, // data bus width in bytes`
33			`I = 1, // TID width`
34			`D = 1, // TDEST width`
35			`U = 1, // TUSER width`
36			`U_IS_EOP = -1,`
37			`MA, // mux select width`
38			`MD = 2 ** MA`
39			`)`
40			`(`
41			`axis_if axis_in [MD-1:0],`
42			`axis_if axis_out,`
43			`input aclk,`
44			`input aresetn`
45			`);`
46
47			`// --------------------------------------------------------------------`
48			`//`
49			`generate`
50			`if(MA == 1)`
51			`begin: catenate_gen`
52			`axis_catenate #(.N(N), .I(I), .D(D), .U(U), .U_IS_EOP(U_IS_EOP))`
53			`axis_catenate_i(.*);`
54			`end`
55			`else`
56			`begin: recursive_catenate_gen`
57			`// --------------------------------------------------------------------`
58			`//`
59			`axis_if #(.N(N), .I(I), .D(D), .U(U)) axis_catenate_out[1:0](.*);`
60
61			`recursive_axis_catenate`
62			`#(`
63			`.N(N),`
64			`.I(I),`
65			`.D(D),`
66			`.U(U),`
67			`.U_IS_EOP(U_IS_EOP),`
68			`.MA(MA - 1)`
69			`)`
70			`catenate_lo`
71			`(`
72			`.axis_in(axis_in[(MD/2)-1:0]),`
73			`.axis_out(axis_catenate_out[0]),`
74			`.*`
75			`);`
76
77			`// --------------------------------------------------------------------`
78			`//`
79			`recursive_axis_catenate`
80			`#(`
81			`.N(N),`
82			`.I(I),`
83			`.D(D),`
84			`.U(U),`
85			`.U_IS_EOP(U_IS_EOP),`
86			`.MA(MA - 1)`
87			`)`
88			`catenate_hi`
89			`(`
90			`.axis_in(axis_in[MD-1:(MD/2)]),`
91			`.axis_out(axis_catenate_out[1]),`
92			`.*`
93			`);`
94
95			`// --------------------------------------------------------------------`
96			`//`
97			`axis_catenate`
98			`#(`
99			`.N(N),`
100			`.I(I),`
101			`.D(D),`
102			`.U(U),`
103			`.U_IS_EOP(U_IS_EOP)`
104			`)`
105			`axis_catenate_i(.axis_in(axis_catenate_out), .*);`
106			`end`
107			`endgenerate`
108
109
110			`// --------------------------------------------------------------------`
111			`//`
112			`endmodule`
113

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[/] [qaz_libs/] [trunk/] [axi4_stream_lib/] [src/] [recursive_axis_catenate.sv] - Blame information for rev 38