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1 44 wsong0210 
/*
2 
 Asynchronous SDM NoC
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 (C)2011 Wei Song
4 
 Advanced Processor Technologies Group
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 Computer Science, the Univ. of Manchester, UK
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7 
 Authors:
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 Wei Song     wsong83@gmail.com
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 License: LGPL 3.0 or later
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12 
 The mesh network for simulation.
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14 
 History:
15 
 03/03/2011  Initial version. <wsong83@gmail.com>
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 04/03/2011  Support VC. <wsong83@gmail.com>
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 05/06/2011  Clean up for opensource. <wsong83@gmail.com>
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*/
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// the router structure definitions
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`include "define.v"
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module noc_top(/*AUTOARG*/
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   // Inputs
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   rst_n
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   );
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   input rst_n;
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   parameter DW = 32;
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   parameter VCN = 1;
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   parameter FT = 3;
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   parameter DIMX = 8;
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   parameter DIMY = 8;
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   parameter SCN = DW/2;
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   wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0]     di0, di1, di2, di3;
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   wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0]     do0, do1, do2, do3;
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   wire [DIMX-1:0][DIMY-1:0][3:0]         dia, doa;
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   wire [DIMX-1:0][DIMY-1:0][3:0][FT-1:0]      dift, doft;
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   wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0]     divc, dovc;
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   wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0]     dic, doc;
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   wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0]     dica, doca;
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   genvar                                    x, y;
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   generate for(x=0; x<DIMX; x++) begin: DX
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      for(y=0; y<DIMY; y++) begin: DY
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         node_top #(.DW(DW), .VCN(VCN), .FT(FT), .x(x), .y(y))
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         NN (
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             .si0 (di0[x][y][0]), .si1 (di1[x][y][0]), .si2 (di2[x][y][0]), .si3 (di3[x][y][0]), .sia (dia[x][y][0]), .sift(dift[x][y][0]), .sivc(divc[x][y][0]), .sic(dic[x][y][0]), .sica(dica[x][y][0]),
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             .wi0 (di0[x][y][1]), .wi1 (di1[x][y][1]), .wi2 (di2[x][y][1]), .wi3 (di3[x][y][1]), .wia (dia[x][y][1]), .wift(dift[x][y][1]), .wivc(divc[x][y][1]), .wic(dic[x][y][1]), .wica(dica[x][y][1]),
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             .ni0 (di0[x][y][2]), .ni1 (di1[x][y][2]), .ni2 (di2[x][y][2]), .ni3 (di3[x][y][2]), .nia (dia[x][y][2]), .nift(dift[x][y][2]), .nivc(divc[x][y][2]), .nic(dic[x][y][2]), .nica(dica[x][y][2]),
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             .ei0 (di0[x][y][3]), .ei1 (di1[x][y][3]), .ei2 (di2[x][y][3]), .ei3 (di3[x][y][3]), .eia (dia[x][y][3]), .eift(dift[x][y][3]), .eivc(divc[x][y][3]), .eic(dic[x][y][3]), .eica(dica[x][y][3]),
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             .so0 (do0[x][y][0]), .so1 (do1[x][y][0]), .so2 (do2[x][y][0]), .so3 (do3[x][y][0]), .soa (doa[x][y][0]), .soft(doft[x][y][0]), .sovc(dovc[x][y][0]), .soc(doc[x][y][0]), .soca(doca[x][y][0]),
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             .wo0 (do0[x][y][1]), .wo1 (do1[x][y][1]), .wo2 (do2[x][y][1]), .wo3 (do3[x][y][1]), .woa (doa[x][y][1]), .woft(doft[x][y][1]), .wovc(dovc[x][y][1]), .woc(doc[x][y][1]), .woca(doca[x][y][1]),
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             .no0 (do0[x][y][2]), .no1 (do1[x][y][2]), .no2 (do2[x][y][2]), .no3 (do3[x][y][2]), .noa (doa[x][y][2]), .noft(doft[x][y][2]), .novc(dovc[x][y][2]), .noc(doc[x][y][2]), .noca(doca[x][y][2]),
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             .eo0 (do0[x][y][3]), .eo1 (do1[x][y][3]), .eo2 (do2[x][y][3]), .eo3 (do3[x][y][3]), .eoa (doa[x][y][3]), .eoft(doft[x][y][3]), .eovc(dovc[x][y][3]), .eoc(doc[x][y][3]), .eoca(doca[x][y][3]),
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             .rst_n(rst_n)
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             );
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         // north link
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         if(x==0) begin
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            assign di0[x][y][2] = do0[x][y][2];
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            assign di1[x][y][2] = do1[x][y][2];
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            assign di2[x][y][2] = do2[x][y][2];
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            assign di3[x][y][2] = do3[x][y][2];
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            assign doa[x][y][2] = dia[x][y][2];
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            assign dift[x][y][2] = doft[x][y][2];
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            assign divc[x][y][2] = dovc[x][y][2];
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            assign doc[x][y][2] = dic[x][y][2];
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            assign dica[x][y][2] = doca[x][y][2];
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         end else begin
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            assign di0[x][y][2] = do0[x-1][y][0];
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            assign di1[x][y][2] = do1[x-1][y][0];
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            assign di2[x][y][2] = do2[x-1][y][0];
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            assign di3[x][y][2] = do3[x-1][y][0];
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            assign doa[x-1][y][0] = dia[x][y][2];
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            assign dift[x][y][2] = doft[x-1][y][0];
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            assign divc[x][y][2] = dovc[x-1][y][0];
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            assign doc[x-1][y][0] = dic[x][y][2];
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            assign dica[x][y][2] = doca[x-1][y][0];
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         end
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87 
         // south link
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         if(x==DIMX-1) begin
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            assign di0[x][y][0] = do0[x][y][0];
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            assign di1[x][y][0] = do1[x][y][0];
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            assign di2[x][y][0] = do2[x][y][0];
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            assign di3[x][y][0] = do3[x][y][0];
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            assign doa[x][y][0] = dia[x][y][0];
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            assign dift[x][y][0] = doft[x][y][0];
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            assign divc[x][y][0] = dovc[x][y][0];
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            assign doc[x][y][0] = dic[x][y][0];
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            assign dica[x][y][0] = doca[x][y][0];
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         end else begin
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            assign di0[x][y][0] = do0[x+1][y][2];
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            assign di1[x][y][0] = do1[x+1][y][2];
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            assign di2[x][y][0] = do2[x+1][y][2];
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            assign di3[x][y][0] = do3[x+1][y][2];
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            assign doa[x+1][y][2] = dia[x][y][0];
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            assign dift[x][y][0] = doft[x+1][y][2];
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            assign divc[x][y][0] = dovc[x+1][y][2];
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            assign doc[x+1][y][2] = dic[x][y][0];
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            assign dica[x][y][0] = doca[x+1][y][2];
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         end
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         // west link
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         if(y==0) begin
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            assign di0[x][y][1] = do0[x][y][1];
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            assign di1[x][y][1] = do1[x][y][1];
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            assign di2[x][y][1] = do2[x][y][1];
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            assign di3[x][y][1] = do3[x][y][1];
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            assign doa[x][y][1] = dia[x][y][1];
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            assign dift[x][y][1] = doft[x][y][1];
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            assign divc[x][y][1] = dovc[x][y][1];
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            assign doc[x][y][1] = dic[x][y][1];
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            assign dica[x][y][1] = doca[x][y][1];
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         end else begin
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            assign di0[x][y][1] = do0[x][y-1][3];
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            assign di1[x][y][1] = do1[x][y-1][3];
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            assign di2[x][y][1] = do2[x][y-1][3];
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            assign di3[x][y][1] = do3[x][y-1][3];
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            assign doa[x][y-1][3] = dia[x][y][1];
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            assign dift[x][y][1] = doft[x][y-1][3];
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            assign divc[x][y][1] = dovc[x][y-1][3];
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            assign doc[x][y-1][3] = dic[x][y][1];
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            assign dica[x][y][1] = doca[x][y-1][3];
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         end // else: !if(y==0)
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         // east link
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         if(y==DIMY-1) begin
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            assign di0[x][y][3] = do0[x][y][3];
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            assign di1[x][y][3] = do1[x][y][3];
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            assign di2[x][y][3] = do2[x][y][3];
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            assign di3[x][y][3] = do3[x][y][3];
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            assign doa[x][y][3] = dia[x][y][3];
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            assign dift[x][y][3] = doft[x][y][3];
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            assign divc[x][y][3] = dovc[x][y][3];
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            assign doc[x][y][3] = dic[x][y][3];
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            assign dica[x][y][3] = doca[x][y][3];
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         end else begin
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            assign di0[x][y][3] = do0[x][y+1][1];
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            assign di1[x][y][3] = do1[x][y+1][1];
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            assign di2[x][y][3] = do2[x][y+1][1];
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            assign di3[x][y][3] = do3[x][y+1][1];
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            assign doa[x][y+1][1] = dia[x][y][3];
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            assign dift[x][y][3] = doft[x][y+1][1];
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            assign divc[x][y][3] = dovc[x][y+1][1];
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            assign doc[x][y+1][1] = dic[x][y][3];
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            assign dica[x][y][3] = doca[x][y+1][1];
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         end // else: !if(y==DIMY-1)
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      end // block: DY
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   end // block: DX
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   endgenerate
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endmodule // noc_top

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