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[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [rtl/] [src_noc/] [multicast.sv] - Diff between revs 54 and 56

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Rev 54 Rev 56
Line 18... Line 18... 
 
 
 
 
     look_ahead_routing
 
     look_ahead_routing
 
 
 
 
 
 *************************************/
 
 *************************************/
 
 
 
 
 
module multicast_routing
 
module multicast_routing # (
 
                import pronoc_pkg::*;
 
        parameter NOC_ID=0,
 
        #(
 
        parameter SW_LOC=0,
 
                parameter P = 5,
 
        parameter P=5
 
                parameter SW_LOC = 0
 
)(
 
                )
 
 
 
                (
 
 
 
                        current_r_addr,  //current router  address
 
                        current_r_addr,  //current router  address
 
                        dest_e_addr,  // destination endpoint address
 
                        dest_e_addr,  // destination endpoint address
 
                        destport
 
                        destport
 
                );
 
                );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        output  [DSTPw-1  :   0] destport;
 
        output  [DSTPw-1  :   0] destport;
 
 
 
 
 
        generate
 
        generate
 
        /* verilator lint_off WIDTH */
 
        /* verilator lint_off WIDTH */
 
        if(TOPOLOGY=="MESH") begin: mesh
 
        if(TOPOLOGY=="MESH") begin: mesh
 
        /* verilator lint_on WIDTH */
 
        /* verilator lint_on WIDTH */
 
                multicast_routing_mesh
 
                multicast_routing_mesh #(
 
                #(
 
                        .NOC_ID(NOC_ID),
 
                        .P(P) ,
 
                        .P(P) ,
 
                        .SW_LOC(SW_LOC)
 
                        .SW_LOC(SW_LOC)
 
                )
 
                ) routing (
 
                routing
 
 
 
                (
 
 
 
                        .current_r_addr(current_r_addr),  //current router  address
 
                        .current_r_addr(current_r_addr),  //current router  address
 
                        .dest_e_addr(dest_e_addr),  // destination endpoint address
 
                        .dest_e_addr(dest_e_addr),  // destination endpoint address
 
                        .destport(destport)
 
                        .destport(destport)
 
                );
 
                );
 
        /* verilator lint_off WIDTH */
 
        /* verilator lint_off WIDTH */
 
        end else if (TOPOLOGY == "FMESH") begin : fmesh
 
        end else if (TOPOLOGY == "FMESH") begin : fmesh
 
        /* verilator lint_on WIDTH */
 
        /* verilator lint_on WIDTH */
 
                multicast_routing_fmesh
 
                multicast_routing_fmesh #(
 
                #(
 
                        .NOC_ID(NOC_ID),
 
                        .P(P) ,
 
                        .P(P) ,
 
                        .SW_LOC(SW_LOC)
 
                        .SW_LOC(SW_LOC)
 
                )
 
                ) routing (
 
                routing
 
 
 
                (
 
 
 
                        .current_r_addr(current_r_addr),  //current router  address
 
                        .current_r_addr(current_r_addr),  //current router  address
 
                        .dest_e_addr(dest_e_addr),  // destination endpoint address
 
                        .dest_e_addr(dest_e_addr),  // destination endpoint address
 
                        .destport(destport)
 
                        .destport(destport)
 
                );
 
                );
 
 
 
 
Line 76... Line 72... 
 
 
 
 
 
 
 
 
 
 
 
 
endmodule
 
endmodule
 
 
 
 
 
module multicast_routing_mesh
 
module multicast_routing_mesh   #(
 
        import pronoc_pkg::*;
 
        parameter NOC_ID=0,
 
        #(
 
        parameter SW_LOC=0,
 
                parameter P = 5,
 
        parameter P=5
 
                parameter SW_LOC = 0
 
) (
 
        )
 
 
 
        (
 
 
 
                current_r_addr,  //current router  address
 
                current_r_addr,  //current router  address
 
                dest_e_addr,  // destination endpoint address
 
                dest_e_addr,  // destination endpoint address
 
                destport
 
                destport
 
        );
 
        );
 
 
 
 
 
 
 
   `NOC_CONF
 
 
 
 
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        output  [DSTPw-1  :   0] destport;
 
        output  [DSTPw-1  :   0] destport;
 
 
 
 
 
 
 
 
 
        localparam
 
        localparam
 
                NX = T1,
 
 
 
                NY = T2,
 
 
 
                RXw = log2(NX),
 
                RXw = log2(NX),
 
                RYw = log2(NY),
 
                RYw = log2(NY),
 
                EXw = RXw,
 
                EXw = RXw,
 
                EYw = RYw;
 
                EYw = RYw;
 
 
 
 
Line 134... Line 126... 
 
 
 
 
 
 
 
 
                wire [NX-1 : 0] row_has_any_dest;
 
                wire [NX-1 : 0] row_has_any_dest;
 
                wire [NE-1 : 0] dest_mcast_all_endp;
 
                wire [NE-1 : 0] dest_mcast_all_endp;
 
 
 
 
 
                mcast_dest_list_decode decode (
 
                mcast_dest_list_decode #(
 
 
 
                        .NOC_ID(NOC_ID)
 
 
 
                ) decode (
 
                        .dest_e_addr(dest_e_addr),
 
                        .dest_e_addr(dest_e_addr),
 
                        .dest_o(dest_mcast_all_endp),
 
                        .dest_o(dest_mcast_all_endp),
 
                        .row_has_any_dest(row_has_any_dest),
 
                        .row_has_any_dest(row_has_any_dest),
 
                        .is_unicast()
 
                        .is_unicast()
 
                );
 
                );
Line 226... Line 220... 
 
 
 
 
endmodule
 
endmodule
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module multicast_routing_fmesh #(
 
 
 
        parameter NOC_ID=0,
 
 
 
        parameter SW_LOC=0,
 
module multicast_routing_fmesh
 
        parameter P=5
 
        import pronoc_pkg::*;
 
) (
 
        #(
 
 
 
        parameter P = 5,
 
 
 
        parameter SW_LOC = 0
 
 
 
        )
 
 
 
        (
 
 
 
        current_r_addr,  //current router  address
 
        current_r_addr,  //current router  address
 
        dest_e_addr,  // destination endpoint address
 
        dest_e_addr,  // destination endpoint address
 
        destport
 
        destport
 
        );
 
        );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        input   [DAw-1   :   0]  dest_e_addr;
 
        output  [DSTPw-1 :   0]  destport;
 
        output  [DSTPw-1 :   0]  destport;
 
 
 
 
 
        localparam Pw = log2(MAX_P_FMESH);
 
        localparam Pw = log2(MAX_P_FMESH);
 
 
 
 
 
        localparam
 
        localparam
 
                NX = T1,
 
 
 
                NY = T2,
 
 
 
                RXw = log2(NX),
 
                RXw = log2(NX),
 
                RYw = log2(NY),
 
                RYw = log2(NY),
 
                EXw = RXw,
 
                EXw = RXw,
 
                EYw = RYw;
 
                EYw = RYw;
 
 
 
 
Line 285... Line 274... 
 
 
 
 
 
 
 
 
        wire [NX-1 : 0] row_has_any_dest;
 
        wire [NX-1 : 0] row_has_any_dest;
 
        wire [NE-1 : 0] dest_mcast_all_endp;
 
        wire [NE-1 : 0] dest_mcast_all_endp;
 
 
 
 
 
        mcast_dest_list_decode decode (
 
        mcast_dest_list_decode # (
 
 
 
                .NOC_ID(NOC_ID)
 
 
 
        ) decode (
 
                        .dest_e_addr(dest_e_addr),
 
                        .dest_e_addr(dest_e_addr),
 
                        .dest_o(dest_mcast_all_endp),
 
                        .dest_o(dest_mcast_all_endp),
 
                        .row_has_any_dest(row_has_any_dest),
 
                        .row_has_any_dest(row_has_any_dest),
 
                        .is_unicast()
 
                        .is_unicast()
 
                );
 
                );
Line 312... Line 303... 
                        ADR = fmesh_addrencode(i),
 
                        ADR = fmesh_addrencode(i),
 
                        XX = ADR [NXw -1 : 0],
 
                        XX = ADR [NXw -1 : 0],
 
                        YY = ADR [NXw+NYw-1 : NXw],
 
                        YY = ADR [NXw+NYw-1 : NXw],
 
                        PP = ADR [NXw+NYw+Pw-1 : NXw+NYw];
 
                        PP = ADR [NXw+NYw+Pw-1 : NXw+NYw];
 
 
 
 
 
 
 
 
 
                /* verilator lint_off CMPCONST */
 
                /* verilator lint_off CMPCONST */
 
                assign y_plus[i]  = (current_rx ==      XX) && (current_ry >  YY);
 
                assign y_plus[i]  = (current_rx ==      XX) && (current_ry >  YY);
 
                /* verilator lint_on CMPCONST */
 
                /* verilator lint_on CMPCONST */
 
 
 
 
 
                /* verilator lint_off UNSIGNED */
 
                /* verilator lint_off UNSIGNED */
Line 324... Line 314... 
                /* verilator lint_on UNSIGNED */
 
                /* verilator lint_on UNSIGNED */
 
 
 
 
 
                for(j=0;j
 
                for(j=0;j
 
                        assign local_p[j][i] = (current_rx      ==      XX) && (current_ry == YY) && (PP == j);
 
                        assign local_p[j][i] = (current_rx      ==      XX) && (current_ry == YY) && (PP == j);
 
                end
 
                end
 
 
 
 
 
 
 
 
 
 
 
 
 
        end//for ne
 
        end//for ne
 
 
 
 
 
        wire [MAX_P_FMESH-1 : 0] goto_local;
 
        wire [MAX_P_FMESH-1 : 0] goto_local;
 
        for(i=0; i
 
        for(i=0; i
 
                assign goto_local[i] = |(local_p[i] & dest_mcast_all_endp);// will be synthesized as single bit assign
 
                assign goto_local[i] = |(local_p[i] & dest_mcast_all_endp);// will be synthesized as single bit assign
Line 341... Line 328... 
        wire goto_south = (|(y_min   & dest_mcast_all_endp)) | goto_local[SOUTH];
 
        wire goto_south = (|(y_min   & dest_mcast_all_endp)) | goto_local[SOUTH];
 
        wire goto_east  = (|(x_minus & row_has_any_dest))    | goto_local[EAST];
 
        wire goto_east  = (|(x_minus & row_has_any_dest))    | goto_local[EAST];
 
        wire goto_west  = (|(x_plus  & row_has_any_dest))    | goto_local[WEST];
 
        wire goto_west  = (|(x_plus  & row_has_any_dest))    | goto_local[WEST];
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                reg [4  :   0] destport_tmp;
 
                reg [4  :   0] destport_tmp;
 
 
 
 
 
                always @(*) begin
 
                always @(*) begin
 
                        destport_tmp = {DSTPw{1'b0}};
 
                        destport_tmp = {DSTPw{1'b0}};
 
                        destport_tmp[LOCAL]=goto_local[LOCAL];
 
                        destport_tmp[LOCAL]=goto_local[LOCAL];
Line 385... Line 369... 
                for(i=1;i
 
                for(i=1;i
 
                        assign destport[MSB_DSTP+i]=goto_local[i];
 
                        assign destport[MSB_DSTP+i]=goto_local[i];
 
                end
 
                end
 
 
 
 
 
 
 
 
 
 
 
 
 
        endgenerate
 
        endgenerate
 
 
 
 
 
endmodule
 
endmodule
 
 
 
 
 
 
 
 
 
module mcast_dest_list_decode
 
module mcast_dest_list_decode #(
 
                import pronoc_pkg::*;
 
        parameter NOC_ID=0
 
                (
 
) (
 
                dest_e_addr,
 
                dest_e_addr,
 
                dest_o,
 
                dest_o,
 
                row_has_any_dest,
 
                row_has_any_dest,
 
                is_unicast
 
                is_unicast
 
                );
 
                );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input  [DAw-1 :0]  dest_e_addr;
 
        input  [DAw-1 :0]  dest_e_addr;
 
        output [NE-1 : 0]  dest_o;
 
        output [NE-1 : 0]  dest_o;
 
        output [NX-1 : 0] row_has_any_dest;
 
        output [NX-1 : 0] row_has_any_dest;
 
        output is_unicast;
 
        output is_unicast;
Line 525... Line 509... 
 
 
 
 
        end
 
        end
 
 
 
 
 
        endgenerate
 
        endgenerate
 
 
 
 
 
 
 
 
 
endmodule
 
endmodule
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module multicast_chan_in_process
 
module multicast_chan_in_process #(
 
                import pronoc_pkg::*;
 
        parameter NOC_ID=0,
 
        #(
 
        parameter SW_LOC=0,
 
                parameter P = 5,
 
        parameter P=5
 
                parameter SW_LOC = 0
 
) (
 
 
 
 
 
        )
 
 
 
        (
 
 
 
                endp_port,
 
                endp_port,
 
                current_r_addr,
 
                current_r_addr,
 
                chan_in,
 
                chan_in,
 
                chan_out,
 
                chan_out,
 
                clk
 
                clk
 
        );
 
        );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input endp_port;
 
        input endp_port;
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   [RAw-1   :   0]  current_r_addr;
 
        input   flit_chanel_t chan_in;
 
        input   flit_chanel_t chan_in;
 
        input   clk;
 
        input   clk;
 
        output  flit_chanel_t chan_out;
 
        output  flit_chanel_t chan_out;
Line 558... Line 540... 
        wire  [MCASTw-1   :   0]  mcast_dst_coded;
 
        wire  [MCASTw-1   :   0]  mcast_dst_coded;
 
        wire  [NE-1 : 0] dest_mcast_all_endp;
 
        wire  [NE-1 : 0] dest_mcast_all_endp;
 
        wire [NX-1 : 0] row_has_any_dest,row_has_any_dest_in;
 
        wire [NX-1 : 0] row_has_any_dest,row_has_any_dest_in;
 
        wire  [DSTPw-1  :   0] destport,destport_o;
 
        wire  [DSTPw-1  :   0] destport,destport_o;
 
 
 
 
 
 
 
 
 
 
 
 
 
        hdr_flit_t hdr_flit;
 
        hdr_flit_t hdr_flit;
 
        header_flit_info extract(
 
 
 
 
 
        header_flit_info #(
 
 
 
                .NOC_ID (NOC_ID)
 
 
 
        ) extract (
 
                        .flit(chan_in.flit),
 
                        .flit(chan_in.flit),
 
                        .hdr_flit(hdr_flit),
 
                        .hdr_flit(hdr_flit),
 
                        .data_o()
 
                        .data_o()
 
                );
 
                );
 
 
 
 
 
        mcast_dest_list_decode decoder
 
        mcast_dest_list_decode #(
 
        (
 
                .NOC_ID(NOC_ID)
 
 
 
        ) decoder (
 
                .dest_e_addr(hdr_flit.dest_e_addr),
 
                .dest_e_addr(hdr_flit.dest_e_addr),
 
                .dest_o(dest_mcast_all_endp),
 
                .dest_o(dest_mcast_all_endp),
 
                .row_has_any_dest(row_has_any_dest_in),
 
                .row_has_any_dest(row_has_any_dest_in),
 
                .is_unicast()
 
                .is_unicast()
 
        );
 
        );
 
 
 
 
 
        localparam MCASTw_= (MCASTw < DAw ) ? MCASTw : DAw;
 
        localparam MCASTw_= (MCASTw < DAw ) ? MCASTw : DAw;
 
 
 
 
 
        assign mcast_dst_coded = hdr_flit.dest_e_addr[MCASTw_-1:0];
 
        assign mcast_dst_coded = hdr_flit.dest_e_addr[MCASTw_-1:0];
 
 
 
 
 
 
 
 
 
        genvar i;
 
        genvar i;
 
        generate
 
        generate
 
        if(TOPOLOGY == "MESH") begin : mesh_
 
        if(TOPOLOGY == "MESH") begin : mesh_
 
                if(SW_LOC == LOCAL || SW_LOC > SOUTH) begin :endp
 
                if(SW_LOC == LOCAL || SW_LOC > SOUTH) begin :endp
 
 
 
 
Line 675... Line 658... 
                wire [DAw-1 : 0] dest_e_addr = {row_has_any_dest,mcast_dst_coded};
 
                wire [DAw-1 : 0] dest_e_addr = {row_has_any_dest,mcast_dst_coded};
 
 
 
 
 
 
 
 
 
                multicast_routing
 
                multicast_routing
 
                #(
 
                #(
 
 
 
                        .NOC_ID(NOC_ID),
 
                        .P(P) ,
 
                        .P(P) ,
 
                        .SW_LOC(SW_LOC)
 
                        .SW_LOC(SW_LOC)
 
                )
 
                )
 
                routing
 
                routing
 
                (
 
                (
Line 698... Line 682... 
                        end
 
                        end
 
                end
 
                end
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
        //synthesis translate_off
 
        //synthesis translate_off
 
        if(DEBUG_EN) begin :debg
 
        if(DEBUG_EN) begin :debg
 
                always @(posedge clk) begin
 
                always @(posedge clk) begin
 
                        /* verilator lint_off WIDTH */
 
                        /* verilator lint_off WIDTH */
 
                        if(CAST_TYPE == "MULTICAST_FULL" || CAST_TYPE == "MULTICAST_PARTIAL")
 
                        if(CAST_TYPE == "MULTICAST_FULL" || CAST_TYPE == "MULTICAST_PARTIAL")
Line 731... Line 712... 
        endgenerate
 
        endgenerate
 
endmodule
 
endmodule
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module multicast_dst_sel # (
 
 
 
        parameter NOC_ID=0
 
module multicast_dst_sel
 
)(
 
                import pronoc_pkg::*;
 
 
 
        (
 
 
 
 
 
 
 
                destport_in,
 
                destport_in,
 
                destport_out
 
                destport_out
 
        );
 
        );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input  [DSTPw-1 : 0] destport_in;
 
        input  [DSTPw-1 : 0] destport_in;
 
        output [DSTPw-1 : 0] destport_out;
 
        output [DSTPw-1 : 0] destport_out;
 
 
 
 
 
 
 
 
 
        wire  [DSTPw-1 : 0] arb_in, arb_out;
 
        wire  [DSTPw-1 : 0] arb_in, arb_out;

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