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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: niu_meta_arb_reset.v | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | /********************************************************************* | |
36 | * | |
37 | * niu_meta_arb_reset.v | |
38 | * | |
39 | * Reset Block, includes LogicVision Reset Gating | |
40 | * | |
41 | * Orignal Author(s): Rahoul Puri | |
42 | * Modifier(s): Nimita Taneja | |
43 | * Project(s): Neptune/Niagara 2 | |
44 | * | |
45 | * Copyright (c) 2003 Sun Microsystems, Inc. | |
46 | * | |
47 | * All Rights Reserved. | |
48 | * | |
49 | * This verilog model is the confidential and proprietary property of | |
50 | * Sun Microsystems, Inc., and the possession or use of this model | |
51 | * requires a written license from Sun Microsystems, Inc. | |
52 | * | |
53 | **********************************************************************/ | |
54 | ||
55 | ||
56 | ||
57 | module niu_meta_arb_reset ( /*AUTOARG*/ | |
58 | // Outputs | |
59 | reset, | |
60 | // Inputs | |
61 | clk, reset_l | |
62 | ); | |
63 | ||
64 | ||
65 | // Clock & Reset | |
66 | input clk; | |
67 | input reset_l; | |
68 | output reset; | |
69 | ||
70 | /*--------------------------------------------------------------*/ | |
71 | // Registers & Wires | |
72 | /*--------------------------------------------------------------*/ | |
73 | reg resetDlyOneCycle; | |
74 | ||
75 | /*--------------------------------------------------------------*/ | |
76 | // Assigns | |
77 | /*--------------------------------------------------------------*/ | |
78 | assign reset = resetDlyOneCycle; | |
79 | ||
80 | ||
81 | /*--------------------------------------------------------------*/ | |
82 | // Control Logic | |
83 | /*--------------------------------------------------------------*/ | |
84 | always @ (posedge clk) | |
85 | begin | |
86 | resetDlyOneCycle <= ~reset_l; | |
87 | end | |
88 | ||
89 | endmodule | |
90 |