/*
|
/*
|
Asynchronous SDM NoC
|
Asynchronous SDM NoC
|
(C)2011 Wei Song
|
(C)2011 Wei Song
|
Advanced Processor Technologies Group
|
Advanced Processor Technologies Group
|
Computer Science, the Univ. of Manchester, UK
|
Computer Science, the Univ. of Manchester, UK
|
|
|
Authors:
|
Authors:
|
Wei Song wsong83@gmail.com
|
Wei Song wsong83@gmail.com
|
|
|
License: LGPL 3.0 or later
|
License: LGPL 3.0 or later
|
|
|
The mesh network for simulation.
|
The mesh network for simulation.
|
|
|
History:
|
History:
|
03/03/2011 Initial version. <wsong83@gmail.com>
|
03/03/2011 Initial version. <wsong83@gmail.com>
|
04/03/2011 Support VC. <wsong83@gmail.com>
|
04/03/2011 Support VC. <wsong83@gmail.com>
|
05/06/2011 Clean up for opensource. <wsong83@gmail.com>
|
05/06/2011 Clean up for opensource. <wsong83@gmail.com>
|
|
|
*/
|
*/
|
|
|
// the router structure definitions
|
// the router structure definitions
|
`include "define.v"
|
`include "define.v"
|
|
|
module noc_top(/*AUTOARG*/
|
module noc_top(/*AUTOARG*/
|
// Inputs
|
// Inputs
|
rst_n
|
rst_n
|
);
|
);
|
input rst_n;
|
input rst_n;
|
|
|
|
|
parameter DW = 32;
|
parameter DW = 32;
|
parameter VCN = 1;
|
parameter VCN = 1;
|
parameter FT = 3;
|
parameter FT = 3;
|
parameter DIMX = 8;
|
parameter DIMX = 8;
|
parameter DIMY = 8;
|
parameter DIMY = 8;
|
parameter SCN = DW/2;
|
parameter SCN = DW/2;
|
|
|
wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0] di0, di1, di2, di3;
|
wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0] di0, di1, di2, di3;
|
wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0] do0, do1, do2, do3;
|
wire [DIMX-1:0][DIMY-1:0][3:0][SCN-1:0] do0, do1, do2, do3;
|
wire [DIMX-1:0][DIMY-1:0][3:0] dia, doa;
|
wire [DIMX-1:0][DIMY-1:0][3:0] dia, doa;
|
wire [DIMX-1:0][DIMY-1:0][3:0][FT-1:0] dift, doft;
|
wire [DIMX-1:0][DIMY-1:0][3:0][FT-1:0] dift, doft;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] divc, dovc;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] divc, dovc;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] dic, doc;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] dic, doc;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] dica, doca;
|
wire [DIMX-1:0][DIMY-1:0][3:0][VCN-1:0] dica, doca;
|
|
|
genvar x, y;
|
genvar x, y;
|
|
|
generate for(x=0; x<DIMX; x++) begin: DX
|
generate for(x=0; x<DIMX; x++) begin: DX
|
for(y=0; y<DIMY; y++) begin: DY
|
for(y=0; y<DIMY; y++) begin: DY
|
|
|
node_top #(.DW(DW), .VCN(VCN), .FT(FT), .x(x), .y(y))
|
node_top #(.DW(DW), .VCN(VCN), .FT(FT), .x(x), .y(y))
|
NN (
|
NN (
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.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]),
|
.rst_n(rst_n)
|
.rst_n(rst_n)
|
);
|
);
|
|
|
// north link
|
// north link
|
if(x==0) begin
|
if(x==0) begin
|
assign di0[x][y][2] = do0[x][y][2];
|
assign di0[x][y][2] = do0[x][y][2];
|
assign di1[x][y][2] = do1[x][y][2];
|
assign di1[x][y][2] = do1[x][y][2];
|
assign di2[x][y][2] = do2[x][y][2];
|
assign di2[x][y][2] = do2[x][y][2];
|
assign di3[x][y][2] = do3[x][y][2];
|
assign di3[x][y][2] = do3[x][y][2];
|
assign doa[x][y][2] = dia[x][y][2];
|
assign doa[x][y][2] = dia[x][y][2];
|
assign dift[x][y][2] = doft[x][y][2];
|
assign dift[x][y][2] = doft[x][y][2];
|
assign divc[x][y][2] = dovc[x][y][2];
|
assign divc[x][y][2] = dovc[x][y][2];
|
assign doc[x][y][2] = dic[x][y][2];
|
assign doc[x][y][2] = dic[x][y][2];
|
assign dica[x][y][2] = doca[x][y][2];
|
assign dica[x][y][2] = doca[x][y][2];
|
end else begin
|
end else begin
|
assign di0[x][y][2] = do0[x-1][y][0];
|
assign di0[x][y][2] = do0[x-1][y][0];
|
assign di1[x][y][2] = do1[x-1][y][0];
|
assign di1[x][y][2] = do1[x-1][y][0];
|
assign di2[x][y][2] = do2[x-1][y][0];
|
assign di2[x][y][2] = do2[x-1][y][0];
|
assign di3[x][y][2] = do3[x-1][y][0];
|
assign di3[x][y][2] = do3[x-1][y][0];
|
assign doa[x-1][y][0] = dia[x][y][2];
|
assign doa[x-1][y][0] = dia[x][y][2];
|
assign dift[x][y][2] = doft[x-1][y][0];
|
assign dift[x][y][2] = doft[x-1][y][0];
|
assign divc[x][y][2] = dovc[x-1][y][0];
|
assign divc[x][y][2] = dovc[x-1][y][0];
|
assign doc[x-1][y][0] = dic[x][y][2];
|
assign doc[x-1][y][0] = dic[x][y][2];
|
assign dica[x][y][2] = doca[x-1][y][0];
|
assign dica[x][y][2] = doca[x-1][y][0];
|
end
|
end
|
|
|
// south link
|
// south link
|
if(x==DIMX-1) begin
|
if(x==DIMX-1) begin
|
assign di0[x][y][0] = do0[x][y][0];
|
assign di0[x][y][0] = do0[x][y][0];
|
assign di1[x][y][0] = do1[x][y][0];
|
assign di1[x][y][0] = do1[x][y][0];
|
assign di2[x][y][0] = do2[x][y][0];
|
assign di2[x][y][0] = do2[x][y][0];
|
assign di3[x][y][0] = do3[x][y][0];
|
assign di3[x][y][0] = do3[x][y][0];
|
assign doa[x][y][0] = dia[x][y][0];
|
assign doa[x][y][0] = dia[x][y][0];
|
assign dift[x][y][0] = doft[x][y][0];
|
assign dift[x][y][0] = doft[x][y][0];
|
assign divc[x][y][0] = dovc[x][y][0];
|
assign divc[x][y][0] = dovc[x][y][0];
|
assign doc[x][y][0] = dic[x][y][0];
|
assign doc[x][y][0] = dic[x][y][0];
|
assign dica[x][y][0] = doca[x][y][0];
|
assign dica[x][y][0] = doca[x][y][0];
|
end else begin
|
end else begin
|
assign di0[x][y][0] = do0[x+1][y][2];
|
assign di0[x][y][0] = do0[x+1][y][2];
|
assign di1[x][y][0] = do1[x+1][y][2];
|
assign di1[x][y][0] = do1[x+1][y][2];
|
assign di2[x][y][0] = do2[x+1][y][2];
|
assign di2[x][y][0] = do2[x+1][y][2];
|
assign di3[x][y][0] = do3[x+1][y][2];
|
assign di3[x][y][0] = do3[x+1][y][2];
|
assign doa[x+1][y][2] = dia[x][y][0];
|
assign doa[x+1][y][2] = dia[x][y][0];
|
assign dift[x][y][0] = doft[x+1][y][2];
|
assign dift[x][y][0] = doft[x+1][y][2];
|
assign divc[x][y][0] = dovc[x+1][y][2];
|
assign divc[x][y][0] = dovc[x+1][y][2];
|
assign doc[x+1][y][2] = dic[x][y][0];
|
assign doc[x+1][y][2] = dic[x][y][0];
|
assign dica[x][y][0] = doca[x+1][y][2];
|
assign dica[x][y][0] = doca[x+1][y][2];
|
end
|
end
|
|
|
// west link
|
// west link
|
if(y==0) begin
|
if(y==0) begin
|
assign di0[x][y][1] = do0[x][y][1];
|
assign di0[x][y][1] = do0[x][y][1];
|
assign di1[x][y][1] = do1[x][y][1];
|
assign di1[x][y][1] = do1[x][y][1];
|
assign di2[x][y][1] = do2[x][y][1];
|
assign di2[x][y][1] = do2[x][y][1];
|
assign di3[x][y][1] = do3[x][y][1];
|
assign di3[x][y][1] = do3[x][y][1];
|
assign doa[x][y][1] = dia[x][y][1];
|
assign doa[x][y][1] = dia[x][y][1];
|
assign dift[x][y][1] = doft[x][y][1];
|
assign dift[x][y][1] = doft[x][y][1];
|
assign divc[x][y][1] = dovc[x][y][1];
|
assign divc[x][y][1] = dovc[x][y][1];
|
assign doc[x][y][1] = dic[x][y][1];
|
assign doc[x][y][1] = dic[x][y][1];
|
assign dica[x][y][1] = doca[x][y][1];
|
assign dica[x][y][1] = doca[x][y][1];
|
end else begin
|
end else begin
|
assign di0[x][y][1] = do0[x][y-1][3];
|
assign di0[x][y][1] = do0[x][y-1][3];
|
assign di1[x][y][1] = do1[x][y-1][3];
|
assign di1[x][y][1] = do1[x][y-1][3];
|
assign di2[x][y][1] = do2[x][y-1][3];
|
assign di2[x][y][1] = do2[x][y-1][3];
|
assign di3[x][y][1] = do3[x][y-1][3];
|
assign di3[x][y][1] = do3[x][y-1][3];
|
assign doa[x][y-1][3] = dia[x][y][1];
|
assign doa[x][y-1][3] = dia[x][y][1];
|
assign dift[x][y][1] = doft[x][y-1][3];
|
assign dift[x][y][1] = doft[x][y-1][3];
|
assign divc[x][y][1] = dovc[x][y-1][3];
|
assign divc[x][y][1] = dovc[x][y-1][3];
|
assign doc[x][y-1][3] = dic[x][y][1];
|
assign doc[x][y-1][3] = dic[x][y][1];
|
assign dica[x][y][1] = doca[x][y-1][3];
|
assign dica[x][y][1] = doca[x][y-1][3];
|
end // else: !if(y==0)
|
end // else: !if(y==0)
|
|
|
// east link
|
// east link
|
if(y==DIMY-1) begin
|
if(y==DIMY-1) begin
|
assign di0[x][y][3] = do0[x][y][3];
|
assign di0[x][y][3] = do0[x][y][3];
|
assign di1[x][y][3] = do1[x][y][3];
|
assign di1[x][y][3] = do1[x][y][3];
|
assign di2[x][y][3] = do2[x][y][3];
|
assign di2[x][y][3] = do2[x][y][3];
|
assign di3[x][y][3] = do3[x][y][3];
|
assign di3[x][y][3] = do3[x][y][3];
|
assign doa[x][y][3] = dia[x][y][3];
|
assign doa[x][y][3] = dia[x][y][3];
|
assign dift[x][y][3] = doft[x][y][3];
|
assign dift[x][y][3] = doft[x][y][3];
|
assign divc[x][y][3] = dovc[x][y][3];
|
assign divc[x][y][3] = dovc[x][y][3];
|
assign doc[x][y][3] = dic[x][y][3];
|
assign doc[x][y][3] = dic[x][y][3];
|
assign dica[x][y][3] = doca[x][y][3];
|
assign dica[x][y][3] = doca[x][y][3];
|
end else begin
|
end else begin
|
assign di0[x][y][3] = do0[x][y+1][1];
|
assign di0[x][y][3] = do0[x][y+1][1];
|
assign di1[x][y][3] = do1[x][y+1][1];
|
assign di1[x][y][3] = do1[x][y+1][1];
|
assign di2[x][y][3] = do2[x][y+1][1];
|
assign di2[x][y][3] = do2[x][y+1][1];
|
assign di3[x][y][3] = do3[x][y+1][1];
|
assign di3[x][y][3] = do3[x][y+1][1];
|
assign doa[x][y+1][1] = dia[x][y][3];
|
assign doa[x][y+1][1] = dia[x][y][3];
|
assign dift[x][y][3] = doft[x][y+1][1];
|
assign dift[x][y][3] = doft[x][y+1][1];
|
assign divc[x][y][3] = dovc[x][y+1][1];
|
assign divc[x][y][3] = dovc[x][y+1][1];
|
assign doc[x][y+1][1] = dic[x][y][3];
|
assign doc[x][y+1][1] = dic[x][y][3];
|
assign dica[x][y][3] = doca[x][y+1][1];
|
assign dica[x][y][3] = doca[x][y+1][1];
|
end // else: !if(y==DIMY-1)
|
end // else: !if(y==DIMY-1)
|
|
|
end // block: DY
|
end // block: DY
|
end // block: DX
|
end // block: DX
|
endgenerate
|
endgenerate
|
|
|
endmodule // noc_top
|
endmodule // noc_top
|
|
|