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1 44 wsong0210
/*
2
 Asynchronous SDM NoC
3
 (C)2011 Wei Song
4
 Advanced Processor Technologies Group
5
 Computer Science, the Univ. of Manchester, UK
6
 
7
 Authors:
8
 Wei Song     wsong83@gmail.com
9
 
10
 License: LGPL 3.0 or later
11
 
12
 The wrapper for the synthesized router.
13
 
14
 History:
15
 28/05/2009  Initial version. <wsong83@gmail.com>
16
 05/06/2011  Clean up for opensource. <wsong83@gmail.com>
17
 
18
*/
19
 
20
// the router structure definitions
21
`include "define.v"
22
 
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module router_hdl(/*AUTOARG*/
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   // Outputs
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   sia, wia, nia, eia, lia, sic, wic, nic, eic, lic, so0, so1, so2,
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   so3, wo0, wo1, wo2, wo3, no0, no1, no2, no3, eo0, eo1, eo2, eo3,
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   lo0, lo1, lo2, lo3, soft, woft, noft, eoft, loft, sovc, wovc, novc,
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   eovc, lovc, soca, woca, noca, eoca, loca,
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   // Inputs
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   si0, si1, si2, si3, wi0, wi1, wi2, wi3, ni0, ni1, ni2, ni3, ei0,
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   ei1, ei2, ei3, li0, li1, li2, li3, sift, wift, nift, eift, lift,
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   sivc, wivc, nivc, eivc, livc, sica, wica, nica, eica, lica, soa,
33 45 wsong0210
   woa, noa, eoa, loa, soc, woc, noc, eoc, loc, addrx, addry, rst_n
34 44 wsong0210
   );
35
 
36
   parameter VCN = 1;           // number of virtual circuits in each direction. When VCN == 1, it is a wormhole router
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   parameter DW = 32;           // the datawidth of a single virtual circuit, the total data width of the router is DW*VCN
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   parameter FT = 3;// the number of types of flits
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   parameter SCN = DW/2;        // the number of 1-of-4 sub-channel in each virtual circuit
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   input [SCN-1:0]    si0, si1, si2, si3;
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   input [SCN-1:0]    wi0, wi1, wi2, wi3;
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   input [SCN-1:0]    ni0, ni1, ni2, ni3;
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   input [SCN-1:0]    ei0, ei1, ei2, ei3;
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   input [SCN-1:0]    li0, li1, li2, li3;
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   input [FT-1:0]     sift, wift, nift, eift, lift;
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   input [VCN-1:0]    sivc, wivc, nivc, eivc, livc;
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   output             sia, wia, nia, eia, lia;
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   output [VCN-1:0]   sic, wic, nic, eic, lic;
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   input [VCN-1:0]    sica, wica, nica, eica, lica;
51
 
52
   output [SCN-1:0]   so0, so1, so2, so3;
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   output [SCN-1:0]   wo0, wo1, wo2, wo3;
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   output [SCN-1:0]   no0, no1, no2, no3;
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   output [SCN-1:0]   eo0, eo1, eo2, eo3;
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   output [SCN-1:0]   lo0, lo1, lo2, lo3;
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   output [FT-1:0]    soft, woft, noft, eoft, loft;
58
   output [VCN-1:0]   sovc, wovc, novc, eovc, lovc;
59
   input              soa, woa, noa, eoa, loa;
60
   input [VCN-1:0]    soc, woc, noc, eoc, loc;
61
   output [VCN-1:0]   soca, woca, noca, eoca, loca;
62
 
63
   input [7:0]         addrx, addry;
64
   input              rst_n;
65
 
66
   wire [SCN-1:0]     psi0, psi1, psi2, psi3;
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   wire [SCN-1:0]     pwi0, pwi1, pwi2, pwi3;
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   wire [SCN-1:0]     pni0, pni1, pni2, pni3;
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   wire [SCN-1:0]     pei0, pei1, pei2, pei3;
70
   wire [SCN-1:0]     pli0, pli1, pli2, pli3;
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   wire [FT-1:0]      psift, pwift, pnift, peift, plift;
72
   wire [VCN-1:0]     psivc, pwivc, pnivc, peivc, plivc;
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   wire               psia, pwia, pnia, peia, plia;
74
   wire [VCN-1:0]     psic, pwic, pnic, peic, plic;
75
   wire [VCN-1:0]     psica, pwica, pnica, peica, plica;
76
 
77
   wire [SCN-1:0]     pso0, pso1, pso2, pso3;
78
   wire [SCN-1:0]     pwo0, pwo1, pwo2, pwo3;
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   wire [SCN-1:0]     pno0, pno1, pno2, pno3;
80
   wire [SCN-1:0]     peo0, peo1, peo2, peo3;
81
   wire [SCN-1:0]     plo0, plo1, plo2, plo3;
82
   wire [FT-1:0]      psoft, pwoft, pnoft, peoft, ploft;
83
   wire [VCN-1:0]     psovc, pwovc, pnovc, peovc, plovc;
84
   wire               psoa, pwoa, pnoa, peoa, ploa;
85
   wire [VCN-1:0]     psoc, pwoc, pnoc, peoc, ploc;
86
   wire [VCN-1:0]     psoca, pwoca, pnoca, peoca, ploca;
87
 
88
   wire [7:0]          paddrx, paddry;
89
   wire               prst_n;
90
 
91
   router RT (
92
                                 .sia      ( psia    ),
93
                                 .wia      ( pwia    ),
94
                                 .nia      ( pnia    ),
95
                                 .eia      ( peia    ),
96
                                 .lia      ( plia    ),
97
                                 .sic      ( psic    ),
98
                                 .wic      ( pwic    ),
99
                                 .nic      ( pnic    ),
100
                                 .eic      ( peic    ),
101
                                 .lic      ( plic    ),
102
                                 .so0      ( pso0    ),
103
                                 .so1      ( pso1    ),
104
                                 .so2      ( pso2    ),
105
                                 .so3      ( pso3    ),
106
                                 .wo0      ( pwo0    ),
107
                                 .wo1      ( pwo1    ),
108
                                 .wo2      ( pwo2    ),
109
                                 .wo3      ( pwo3    ),
110
                                 .no0      ( pno0    ),
111
                                 .no1      ( pno1    ),
112
                                 .no2      ( pno2    ),
113
                                 .no3      ( pno3    ),
114
                                 .eo0      ( peo0    ),
115
                                 .eo1      ( peo1    ),
116
                                 .eo2      ( peo2    ),
117
                                 .eo3      ( peo3    ),
118
                                 .lo0      ( plo0    ),
119
                                 .lo1      ( plo1    ),
120
                                 .lo2      ( plo2    ),
121
                                 .lo3      ( plo3    ),
122
                                 .soft     ( psoft   ),
123
                                 .woft     ( pwoft   ),
124
                                 .noft     ( pnoft   ),
125
                                 .eoft     ( peoft   ),
126
                                 .loft     ( ploft   ),
127
                                 .sovc     ( psovc   ),
128
                                 .wovc     ( pwovc   ),
129
                                 .novc     ( pnovc   ),
130
                                 .eovc     ( peovc   ),
131
                                 .lovc     ( plovc   ),
132
                                 .soca     ( psoca   ),
133
                                 .woca     ( pwoca   ),
134
                                 .noca     ( pnoca   ),
135
                                 .eoca     ( peoca   ),
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                                 .loca     ( ploca   ),
137
                                 .si0      ( psi0    ),
138
                                 .si1      ( psi1    ),
139
                                 .si2      ( psi2    ),
140
                                 .si3      ( psi3    ),
141
                                 .wi0      ( pwi0    ),
142
                                 .wi1      ( pwi1    ),
143
                                 .wi2      ( pwi2    ),
144
                                 .wi3      ( pwi3    ),
145
                                 .ni0      ( pni0    ),
146
                                 .ni1      ( pni1    ),
147
                                 .ni2      ( pni2    ),
148
                                 .ni3      ( pni3    ),
149
                                 .ei0      ( pei0    ),
150
                                 .ei1      ( pei1    ),
151
                                 .ei2      ( pei2    ),
152
                                 .ei3      ( pei3    ),
153
                                 .li0      ( pli0    ),
154
                                 .li1      ( pli1    ),
155
                                 .li2      ( pli2    ),
156
                                 .li3      ( pli3    ),
157
                                 .sift     ( psift   ),
158
                                 .wift     ( pwift   ),
159
                                 .nift     ( pnift   ),
160
                                 .eift     ( peift   ),
161
                                 .lift     ( plift   ),
162
                                 .sivc     ( psivc   ),
163
                                 .wivc     ( pwivc   ),
164
                                 .nivc     ( pnivc   ),
165
                                 .eivc     ( peivc   ),
166
                                 .livc     ( plivc   ),
167
                                 .sica     ( psica   ),
168
                                 .wica     ( pwica   ),
169
                                 .nica     ( pnica   ),
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                                 .eica     ( peica   ),
171
                                 .lica     ( plica   ),
172
                                 .soa      ( psoa    ),
173
                                 .woa      ( pwoa    ),
174
                                 .noa      ( pnoa    ),
175
                                 .eoa      ( peoa    ),
176
                                 .loa      ( ploa    ),
177
                                 .soc      ( psoc    ),
178
                                 .woc      ( pwoc    ),
179
                                 .noc      ( pnoc    ),
180
                                 .eoc      ( peoc    ),
181
                                 .loc      ( ploc    ),
182
                                 .addrx    ( paddrx  ),
183
                                 .addry    ( paddry  ),
184
                                 .rst_n    ( prst_n  )
185
                                 );
186
 
187
   assign sia      = psia   ;
188
   assign wia      = pwia   ;
189
   assign nia      = pnia   ;
190
   assign eia      = peia   ;
191
   assign lia      = plia   ;
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   assign sic      = psic   ;
193
   assign wic      = pwic   ;
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   assign nic      = pnic   ;
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   assign eic      = peic   ;
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   assign lic      = plic   ;
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   assign so0      = pso0   ;
198
   assign so1      = pso1   ;
199
   assign so2      = pso2   ;
200
   assign so3      = pso3   ;
201
   assign wo0      = pwo0   ;
202
   assign wo1      = pwo1   ;
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   assign wo2      = pwo2   ;
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   assign wo3      = pwo3   ;
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   assign no0      = pno0   ;
206
   assign no1      = pno1   ;
207
   assign no2      = pno2   ;
208
   assign no3      = pno3   ;
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   assign eo0      = peo0   ;
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   assign eo1      = peo1   ;
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   assign eo2      = peo2   ;
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   assign eo3      = peo3   ;
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   assign lo0      = plo0   ;
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   assign lo1      = plo1   ;
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   assign lo2      = plo2   ;
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   assign lo3      = plo3   ;
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   assign soft     = psoft  ;
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   assign woft     = pwoft  ;
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   assign noft     = pnoft  ;
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   assign eoft     = peoft  ;
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   assign loft     = ploft  ;
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   assign sovc     = psovc  ;
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   assign wovc     = pwovc  ;
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   assign novc     = pnovc  ;
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   assign eovc     = peovc  ;
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   assign lovc     = plovc  ;
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   assign soca     = psoca  ;
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   assign woca     = pwoca  ;
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   assign noca     = pnoca  ;
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   assign eoca     = peoca  ;
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   assign loca     = ploca  ;
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   assign psi0     = si0    ;
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   assign psi1     = si1    ;
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   assign psi2     = si2    ;
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   assign psi3     = si3    ;
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   assign pwi0     = wi0    ;
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   assign pwi1     = wi1    ;
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   assign pwi2     = wi2    ;
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   assign pwi3     = wi3    ;
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   assign pni0     = ni0    ;
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   assign pni1     = ni1    ;
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   assign pni2     = ni2    ;
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   assign pni3     = ni3    ;
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   assign pei0     = ei0    ;
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   assign pei1     = ei1    ;
246
   assign pei2     = ei2    ;
247
   assign pei3     = ei3    ;
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   assign pli0     = li0    ;
249
   assign pli1     = li1    ;
250
   assign pli2     = li2    ;
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   assign pli3     = li3    ;
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   assign psift    = sift   ;
253
   assign pwift    = wift   ;
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   assign pnift    = nift   ;
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   assign peift    = eift   ;
256
   assign plift    = lift   ;
257
   assign psivc    = sivc   ;
258
   assign pwivc    = wivc   ;
259
   assign pnivc    = nivc   ;
260
   assign peivc    = eivc   ;
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   assign plivc    = livc   ;
262
   assign psica    = sica   ;
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   assign pwica    = wica   ;
264
   assign pnica    = nica   ;
265
   assign peica    = eica   ;
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   assign plica    = lica   ;
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   assign psoa     = soa    ;
268
   assign pwoa     = woa    ;
269
   assign pnoa     = noa    ;
270
   assign peoa     = eoa    ;
271
   assign ploa     = loa    ;
272
   assign psoc     = soc    ;
273
   assign pwoc     = woc    ;
274
   assign pnoc     = noc    ;
275
   assign peoc     = eoc    ;
276
   assign ploc     = loc    ;
277
   assign paddrx   = addrx  ;
278
   assign paddry   = addry  ;
279
   assign prst_n   = rst_n  ;
280
 
281
   initial $sdf_annotate("../syn/file/router.sdf", RT);
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283
endmodule

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