/*
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/*
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Asynchronous SDM NoC
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Asynchronous SDM NoC
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(C)2011 Wei Song
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(C)2011 Wei Song
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Advanced Processor Technologies Group
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Advanced Processor Technologies Group
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Computer Science, the Univ. of Manchester, UK
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Computer Science, the Univ. of Manchester, UK
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Authors:
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Authors:
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Wei Song wsong83@gmail.com
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Wei Song wsong83@gmail.com
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License: LGPL 3.0 or later
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License: LGPL 3.0 or later
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A network node including a router, a NI and a processing element.
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A network node including a router, a NI and a processing element.
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History:
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History:
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03/03/2011 Initial version. <wsong83@gmail.com>
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03/03/2011 Initial version. <wsong83@gmail.com>
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04/03/2011 Support VC. <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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05/06/2011 Clean up for opensource. <wsong83@gmail.com>
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*/
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*/
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// the router structure definitions
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// the router structure definitions
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`include "define.v"
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`include "define.v"
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module node_top(/*AUTOARG*/
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module node_top(/*AUTOARG*/
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// Outputs
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// Outputs
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sia, wia, nia, eia, sic, wic, nic, eic, so0, so1, so2, so3, wo0,
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sia, wia, nia, eia, sic, wic, nic, eic, so0, so1, so2, so3, wo0,
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wo1, wo2, wo3, no0, no1, no2, no3, eo0, eo1, eo2, eo3, soft, woft,
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wo1, wo2, wo3, no0, no1, no2, no3, eo0, eo1, eo2, eo3, soft, woft,
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noft, eoft, sovc, wovc, novc, eovc, soca, woca, noca, eoca,
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noft, eoft, sovc, wovc, novc, eovc, soca, woca, noca, eoca,
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// Inputs
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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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si0, si1, si2, si3, wi0, wi1, wi2, wi3, ni0, ni1, ni2, ni3, ei0,
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ei1, ei2, ei3, sift, wift, nift, eift, sivc, wivc, nivc, eivc,
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ei1, ei2, ei3, sift, wift, nift, eift, sivc, wivc, nivc, eivc,
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sica, wica, nica, eica, soa, woa, noa, eoa, soc, woc, noc, eoc,
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sica, wica, nica, eica, soa, woa, noa, eoa, soc, woc, noc, eoc,
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rst_n
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rst_n
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);
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);
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parameter DW = 32;
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parameter DW = 32;
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parameter VCN = 1;
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parameter VCN = 1;
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parameter FT = 3;
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parameter FT = 3;
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parameter x = 0;
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parameter x = 0;
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parameter y = 0;
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parameter y = 0;
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parameter SCN = DW/2;
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parameter SCN = DW/2;
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input [SCN-1:0] si0, si1, si2, si3;
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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] wi0, wi1, wi2, wi3;
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input [SCN-1:0] ni0, ni1, ni2, ni3;
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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] ei0, ei1, ei2, ei3;
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input [FT-1:0] sift, wift, nift, eift;
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input [FT-1:0] sift, wift, nift, eift;
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input [VCN-1:0] sivc, wivc, nivc, eivc;
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input [VCN-1:0] sivc, wivc, nivc, eivc;
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output sia, wia, nia, eia;
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output sia, wia, nia, eia;
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output [VCN-1:0] sic, wic, nic, eic;
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output [VCN-1:0] sic, wic, nic, eic;
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input [VCN-1:0] sica, wica, nica, eica;
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input [VCN-1:0] sica, wica, nica, eica;
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output [SCN-1:0] so0, so1, so2, so3;
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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] wo0, wo1, wo2, wo3;
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output [SCN-1:0] no0, no1, no2, no3;
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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] eo0, eo1, eo2, eo3;
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output [FT-1:0] soft, woft, noft, eoft;
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output [FT-1:0] soft, woft, noft, eoft;
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output [VCN-1:0] sovc, wovc, novc, eovc;
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output [VCN-1:0] sovc, wovc, novc, eovc;
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input soa, woa, noa, eoa;
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input soa, woa, noa, eoa;
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input [VCN-1:0] soc, woc, noc, eoc;
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input [VCN-1:0] soc, woc, noc, eoc;
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output [VCN-1:0] soca, woca, noca, eoca;
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output [VCN-1:0] soca, woca, noca, eoca;
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wire [SCN-1:0] li0, li1, li2, li3;
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wire [SCN-1:0] li0, li1, li2, li3;
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wire [SCN-1:0] lo0, lo1, lo2, lo3;
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wire [SCN-1:0] lo0, lo1, lo2, lo3;
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wire [FT-1:0] lift;
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wire [FT-1:0] lift;
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wire [VCN-1:0] livc;
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wire [VCN-1:0] livc;
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wire lia;
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wire lia;
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wire [VCN-1:0] lic;
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wire [VCN-1:0] lic;
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wire [VCN-1:0] lica;
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wire [VCN-1:0] lica;
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wire [FT-1:0] loft;
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wire [FT-1:0] loft;
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wire [VCN-1:0] lovc;
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wire [VCN-1:0] lovc;
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wire loa;
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wire loa;
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wire [VCN-1:0] loc;
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wire [VCN-1:0] loc;
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wire [VCN-1:0] loca;
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wire [VCN-1:0] loca;
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input rst_n;
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input rst_n;
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// the network node
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// the network node
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NetNode #(.DW(DW), .VCN(VCN), .FT(FT), .x(x), .y(y))
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NetNode #(.DW(DW), .VCN(VCN), .FT(FT), .x(x), .y(y))
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Node (
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Node (
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.doa(loa), .doc(loc),
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.doa(loa), .doc(loc),
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.do0(lo0), .do1(lo1), .do2(lo2), .do3(lo3),
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.do0(lo0), .do1(lo1), .do2(lo2), .do3(lo3),
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.doft(loft), .dovc(lovc), .doca(loca),
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.doft(loft), .dovc(lovc), .doca(loca),
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.dia(lia), .dic(lic),
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.dia(lia), .dic(lic),
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.di0(li0), .di1(li1), .di2(li2), .di3(li3),
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.di0(li0), .di1(li1), .di2(li2), .di3(li3),
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.dift(lift), .divc(livc), .dica(lica),
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.dift(lift), .divc(livc), .dica(lica),
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.rst_n(rst_n)
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.rst_n(rst_n)
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);
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);
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// router wrapper
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// router wrapper
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router_hdl #(.DW(DW), .VCN(VCN))
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router_hdl #(.DW(DW), .VCN(VCN))
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RTN (
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RTN (
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.so0(so0), .so1(so1), .so2(so2), .so3(so3), .soa(soa), .soft(soft), .sovc(sovc), .soc(soc), .soca(soca),
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.so0(so0), .so1(so1), .so2(so2), .so3(so3), .soa(soa), .soft(soft), .sovc(sovc), .soc(soc), .soca(soca),
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.wo0(wo0), .wo1(wo1), .wo2(wo2), .wo3(wo3), .woa(woa), .woft(woft), .wovc(wovc), .woc(woc), .woca(woca),
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.wo0(wo0), .wo1(wo1), .wo2(wo2), .wo3(wo3), .woa(woa), .woft(woft), .wovc(wovc), .woc(woc), .woca(woca),
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.no0(no0), .no1(no1), .no2(no2), .no3(no3), .noa(noa), .noft(noft), .novc(novc), .noc(noc), .noca(noca),
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.no0(no0), .no1(no1), .no2(no2), .no3(no3), .noa(noa), .noft(noft), .novc(novc), .noc(noc), .noca(noca),
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.eo0(eo0), .eo1(eo1), .eo2(eo2), .eo3(eo3), .eoa(eoa), .eoft(eoft), .eovc(eovc), .eoc(eoc), .eoca(eoca),
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.eo0(eo0), .eo1(eo1), .eo2(eo2), .eo3(eo3), .eoa(eoa), .eoft(eoft), .eovc(eovc), .eoc(eoc), .eoca(eoca),
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.lo0(lo0), .lo1(lo1), .lo2(lo2), .lo3(lo3), .loa(loa), .loft(loft), .lovc(lovc), .loc(loc), .loca(loca),
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.lo0(lo0), .lo1(lo1), .lo2(lo2), .lo3(lo3), .loa(loa), .loft(loft), .lovc(lovc), .loc(loc), .loca(loca),
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.si0(si0), .si1(si1), .si2(si2), .si3(si3), .sia(sia), .sift(sift), .sivc(sivc), .sic(sic), .sica(sica),
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.si0(si0), .si1(si1), .si2(si2), .si3(si3), .sia(sia), .sift(sift), .sivc(sivc), .sic(sic), .sica(sica),
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.wi0(wi0), .wi1(wi1), .wi2(wi2), .wi3(wi3), .wia(wia), .wift(wift), .wivc(wivc), .wic(wic), .wica(wica),
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.wi0(wi0), .wi1(wi1), .wi2(wi2), .wi3(wi3), .wia(wia), .wift(wift), .wivc(wivc), .wic(wic), .wica(wica),
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.ni0(ni0), .ni1(ni1), .ni2(ni2), .ni3(ni3), .nia(nia), .nift(nift), .nivc(nivc), .nic(nic), .nica(nica),
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.ni0(ni0), .ni1(ni1), .ni2(ni2), .ni3(ni3), .nia(nia), .nift(nift), .nivc(nivc), .nic(nic), .nica(nica),
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.ei0(ei0), .ei1(ei1), .ei2(ei2), .ei3(ei3), .eia(eia), .eift(eift), .eivc(eivc), .eic(eic), .eica(eica),
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.ei0(ei0), .ei1(ei1), .ei2(ei2), .ei3(ei3), .eia(eia), .eift(eift), .eivc(eivc), .eic(eic), .eica(eica),
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.li0(li0), .li1(li1), .li2(li2), .li3(li3), .lia(lia), .lift(lift), .livc(livc), .lic(lic), .lica(lica),
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.li0(li0), .li1(li1), .li2(li2), .li3(li3), .lia(lia), .lift(lift), .livc(livc), .lic(lic), .lica(lica),
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.addrx (b2chain(x)),
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.addrx (b2chain(x)),
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.addry (b2chain(y)),
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.addry (b2chain(y)),
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.rst_n (rst_n)
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.rst_n (rst_n)
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);
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);
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// binary to 1-of-4 (Chain) converter
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// binary to 1-of-4 (Chain) converter
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function [7:0] b2chain;
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function [7:0] b2chain;
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input [3:0] data;
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input [3:0] data;
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begin
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begin
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b2chain[0] = (data[1:0] == 2'b00);
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b2chain[0] = (data[1:0] == 2'b00);
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b2chain[1] = (data[1:0] == 2'b01);
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b2chain[1] = (data[1:0] == 2'b01);
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b2chain[2] = (data[1:0] == 2'b10);
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b2chain[2] = (data[1:0] == 2'b10);
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b2chain[3] = (data[1:0] == 2'b11);
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b2chain[3] = (data[1:0] == 2'b11);
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b2chain[4] = (data[3:2] == 2'b00);
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b2chain[4] = (data[3:2] == 2'b00);
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b2chain[5] = (data[3:2] == 2'b01);
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b2chain[5] = (data[3:2] == 2'b01);
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b2chain[6] = (data[3:2] == 2'b10);
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b2chain[6] = (data[3:2] == 2'b10);
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b2chain[7] = (data[3:2] == 2'b11);
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b2chain[7] = (data[3:2] == 2'b11);
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end
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end
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endfunction
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endfunction
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endmodule // node_top
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endmodule // node_top
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