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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: niu_pio_decoder_6to64.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 | /* This file is genetated from decoder.c */ | |
37 | /* This program is created by John Lo */ | |
38 | /***********************************************/ | |
39 | ||
40 | module niu_pio_decoder_6to64 (clk,reset,ldgn,ldgn_map); | |
41 | input clk; | |
42 | input reset; | |
43 | ||
44 | input [5:0] ldgn; | |
45 | output [63:0] ldgn_map; | |
46 | ||
47 | ||
48 | reg [63:0] ldgn_map_int; | |
49 | reg [63:0] ldgn_map; | |
50 | ||
51 | always @ (ldgn) | |
52 | casex(ldgn[5:0]) /* synopsys parallel_case full_case */ | |
53 | /* --------- the first 32 ------------------- */ | |
54 | 6'd0: ldgn_map_int[63:0] = 64'h1; | |
55 | 6'd1: ldgn_map_int[63:0] = 64'h2; | |
56 | 6'd2: ldgn_map_int[63:0] = 64'h4; | |
57 | 6'd3: ldgn_map_int[63:0] = 64'h8; | |
58 | 6'd4: ldgn_map_int[63:0] = 64'h10; | |
59 | 6'd5: ldgn_map_int[63:0] = 64'h20; | |
60 | 6'd6: ldgn_map_int[63:0] = 64'h40; | |
61 | 6'd7: ldgn_map_int[63:0] = 64'h80; | |
62 | 6'd8: ldgn_map_int[63:0] = 64'h100; | |
63 | 6'd9: ldgn_map_int[63:0] = 64'h200; | |
64 | 6'd10: ldgn_map_int[63:0] = 64'h400; | |
65 | 6'd11: ldgn_map_int[63:0] = 64'h800; | |
66 | 6'd12: ldgn_map_int[63:0] = 64'h1000; | |
67 | 6'd13: ldgn_map_int[63:0] = 64'h2000; | |
68 | 6'd14: ldgn_map_int[63:0] = 64'h4000; | |
69 | 6'd15: ldgn_map_int[63:0] = 64'h8000; | |
70 | 6'd16: ldgn_map_int[63:0] = 64'h10000; | |
71 | 6'd17: ldgn_map_int[63:0] = 64'h20000; | |
72 | 6'd18: ldgn_map_int[63:0] = 64'h40000; | |
73 | 6'd19: ldgn_map_int[63:0] = 64'h80000; | |
74 | 6'd20: ldgn_map_int[63:0] = 64'h100000; | |
75 | 6'd21: ldgn_map_int[63:0] = 64'h200000; | |
76 | 6'd22: ldgn_map_int[63:0] = 64'h400000; | |
77 | 6'd23: ldgn_map_int[63:0] = 64'h800000; | |
78 | 6'd24: ldgn_map_int[63:0] = 64'h1000000; | |
79 | 6'd25: ldgn_map_int[63:0] = 64'h2000000; | |
80 | 6'd26: ldgn_map_int[63:0] = 64'h4000000; | |
81 | 6'd27: ldgn_map_int[63:0] = 64'h8000000; | |
82 | 6'd28: ldgn_map_int[63:0] = 64'h10000000; | |
83 | 6'd29: ldgn_map_int[63:0] = 64'h20000000; | |
84 | 6'd30: ldgn_map_int[63:0] = 64'h40000000; | |
85 | 6'd31: ldgn_map_int[63:0] = 64'h80000000; | |
86 | /* --------- the second 32 ------------------------ */ | |
87 | 6'd32: ldgn_map_int[63:0] = 64'h1_00000000; | |
88 | 6'd33: ldgn_map_int[63:0] = 64'h2_00000000; | |
89 | 6'd34: ldgn_map_int[63:0] = 64'h4_00000000; | |
90 | 6'd35: ldgn_map_int[63:0] = 64'h8_00000000; | |
91 | 6'd36: ldgn_map_int[63:0] = 64'h10_00000000; | |
92 | 6'd37: ldgn_map_int[63:0] = 64'h20_00000000; | |
93 | 6'd38: ldgn_map_int[63:0] = 64'h40_00000000; | |
94 | 6'd39: ldgn_map_int[63:0] = 64'h80_00000000; | |
95 | 6'd40: ldgn_map_int[63:0] = 64'h100_00000000; | |
96 | 6'd41: ldgn_map_int[63:0] = 64'h200_00000000; | |
97 | 6'd42: ldgn_map_int[63:0] = 64'h400_00000000; | |
98 | 6'd43: ldgn_map_int[63:0] = 64'h800_00000000; | |
99 | 6'd44: ldgn_map_int[63:0] = 64'h1000_00000000; | |
100 | 6'd45: ldgn_map_int[63:0] = 64'h2000_00000000; | |
101 | 6'd46: ldgn_map_int[63:0] = 64'h4000_00000000; | |
102 | 6'd47: ldgn_map_int[63:0] = 64'h8000_00000000; | |
103 | 6'd48: ldgn_map_int[63:0] = 64'h10000_00000000; | |
104 | 6'd49: ldgn_map_int[63:0] = 64'h20000_00000000; | |
105 | 6'd50: ldgn_map_int[63:0] = 64'h40000_00000000; | |
106 | 6'd51: ldgn_map_int[63:0] = 64'h80000_00000000; | |
107 | 6'd52: ldgn_map_int[63:0] = 64'h100000_00000000; | |
108 | 6'd53: ldgn_map_int[63:0] = 64'h200000_00000000; | |
109 | 6'd54: ldgn_map_int[63:0] = 64'h400000_00000000; | |
110 | 6'd55: ldgn_map_int[63:0] = 64'h800000_00000000; | |
111 | 6'd56: ldgn_map_int[63:0] = 64'h1000000_00000000; | |
112 | 6'd57: ldgn_map_int[63:0] = 64'h2000000_00000000; | |
113 | 6'd58: ldgn_map_int[63:0] = 64'h4000000_00000000; | |
114 | 6'd59: ldgn_map_int[63:0] = 64'h8000000_00000000; | |
115 | 6'd60: ldgn_map_int[63:0] = 64'h10000000_00000000; | |
116 | 6'd61: ldgn_map_int[63:0] = 64'h20000000_00000000; | |
117 | 6'd62: ldgn_map_int[63:0] = 64'h40000000_00000000; | |
118 | 6'd63: ldgn_map_int[63:0] = 64'h80000000_00000000; | |
119 | default: ldgn_map_int[63:0] = 64'b0; | |
120 | endcase | |
121 | ||
122 | always @ (posedge clk) | |
123 | begin | |
124 | if (reset) | |
125 | ldgn_map <= 64'b0 ; | |
126 | else | |
127 | ldgn_map <= ldgn_map_int ; | |
128 | end | |
129 | ||
130 | endmodule // niu_pio_decoder_6to64 |