1 |
2 |
jvillar |
//////////////////////////////////////////////////////////////////////
|
2 |
|
|
//// ////
|
3 |
|
|
//// system_sim.v ////
|
4 |
|
|
//// ////
|
5 |
|
|
//// This file is part of: ////
|
6 |
|
|
//// WISHBONE/MEM MAPPED CONTROLLER FOR LCD CHARACTER DISPLAYS ////
|
7 |
|
|
//// http://www.opencores.org/projects/wb_lcd/ ////
|
8 |
|
|
//// ////
|
9 |
|
|
//// Description ////
|
10 |
|
|
//// - Simulation testbench for SPARTAN-3E STARTER KIT ////
|
11 |
|
|
//// clock and reset. ////
|
12 |
|
|
//// To Do: ////
|
13 |
|
|
//// - nothing really ////
|
14 |
|
|
//// ////
|
15 |
|
|
//// Author(s): ////
|
16 |
|
|
//// - José Ignacio Villar, jose@dte.us.es , jvillar@gmail.com ////
|
17 |
|
|
//// ////
|
18 |
|
|
//////////////////////////////////////////////////////////////////////
|
19 |
|
|
//// ////
|
20 |
|
|
//// Copyright (C) 2009 José Ignacio Villar - jvillar@gmail.com ////
|
21 |
|
|
//// ////
|
22 |
|
|
//// This source file may be used and distributed without ////
|
23 |
|
|
//// restriction provided that this copyright statement is not ////
|
24 |
|
|
//// removed from the file and that any derivative work contains ////
|
25 |
|
|
//// the original copyright notice and the associated disclaimer. ////
|
26 |
|
|
//// ////
|
27 |
|
|
//// This source file is free software; you can redistribute it ////
|
28 |
|
|
//// and/or modify it under the terms of the GNU Lesser General ////
|
29 |
|
|
//// Public License as published by the Free Software Foundation; ////
|
30 |
|
|
//// either version 3 of the License, or (at your option) any ////
|
31 |
|
|
//// later version. ////
|
32 |
|
|
//// ////
|
33 |
|
|
//// This source is distributed in the hope that it will be ////
|
34 |
|
|
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
|
35 |
|
|
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
|
36 |
|
|
//// PURPOSE. See the GNU Lesser General Public License for more ////
|
37 |
|
|
//// details. ////
|
38 |
|
|
//// ////
|
39 |
|
|
//// You should have received a copy of the GNU Lesser General ////
|
40 |
|
|
//// Public License along with this source; if not, download it ////
|
41 |
|
|
//// from http://www.gnu.org/licenses/lgpl.txt ////
|
42 |
|
|
//// ////
|
43 |
|
|
//////////////////////////////////////////////////////////////////////
|
44 |
|
|
|
45 |
|
|
`include "lcd_defines.v"
|
46 |
|
|
|
47 |
|
|
|
48 |
|
|
//----------------------------------------------------------------------------
|
49 |
|
|
// Simulation testbench for SPARTAN-3E STARTER KIT clock and reset
|
50 |
|
|
//----------------------------------------------------------------------------
|
51 |
|
|
`timescale 1ns / 1ps
|
52 |
|
|
|
53 |
|
|
module system_sim;
|
54 |
|
|
reg clk = 0;
|
55 |
|
|
reg reset = 1;
|
56 |
|
|
|
57 |
|
|
//----------------------------------------------------------------------------
|
58 |
|
|
// Memory-Tester System
|
59 |
|
|
//----------------------------------------------------------------------------
|
60 |
|
|
system dut (
|
61 |
|
|
.clk ( clk ),
|
62 |
|
|
.reset ( reset )
|
63 |
|
|
);
|
64 |
|
|
|
65 |
|
|
|
66 |
|
|
//----------------------------------------------------------------------------
|
67 |
|
|
// Clock Generation (50 MHZ)
|
68 |
|
|
//----------------------------------------------------------------------------
|
69 |
|
|
initial clk <= 1'b0;
|
70 |
|
|
always #10 clk <= ~clk;
|
71 |
|
|
|
72 |
|
|
//----------------------------------------------------------------------------
|
73 |
|
|
// Reset Generation
|
74 |
|
|
//----------------------------------------------------------------------------
|
75 |
|
|
initial begin
|
76 |
|
|
$dumpfile("system.vcd");
|
77 |
|
|
$dumpvars;
|
78 |
|
|
|
79 |
|
|
#0 reset <= 1'b1;
|
80 |
|
|
#80 reset <= 1'b0;
|
81 |
|
|
|
82 |
|
|
// #10000000000 $finish;
|
83 |
|
|
end
|
84 |
|
|
|
85 |
|
|
endmodule
|
86 |
|
|
|
87 |
|
|
// vim: set ts=4
|