`include "pronoc_def.v"
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`include "pronoc_def.v"
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/**************************************
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/**************************************
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* Module: tree
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* Module: tree
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* Date:2019-01-01
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* Date:2019-01-01
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* Author: alireza
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* Author: alireza
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*
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*
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*
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*
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Description:
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Description:
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Star
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Star
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***************************************/
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***************************************/
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module star_noc_top
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module star_noc_top #(
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import pronoc_pkg::*;
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parameter NOC_ID=0
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(
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) (
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reset,
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reset,
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clk,
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clk,
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chan_in_all,
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chan_in_all,
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chan_out_all,
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chan_out_all,
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router_event
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router_event
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);
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);
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`NOC_CONF
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input clk,reset;
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input clk,reset;
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//Endpoints ports
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//Endpoints ports
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input smartflit_chanel_t chan_in_all [NE-1 : 0];
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input smartflit_chanel_t chan_in_all [NE-1 : 0];
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output smartflit_chanel_t chan_out_all [NE-1 : 0];
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output smartflit_chanel_t chan_out_all [NE-1 : 0];
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//Events
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//Events
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output router_event_t router_event [NR-1 : 0][MAX_P-1 : 0];
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output router_event_t router_event [NR-1 : 0][MAX_P-1 : 0];
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router_top # (
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router_top # (
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.NOC_ID(NOC_ID),
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.P(NE)
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.P(NE)
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)
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)
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the_router
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the_router
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(
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(
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.current_r_id (0),
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.current_r_id (0),
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.current_r_addr (1'b0),
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.current_r_addr (1'b0),
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.chan_in (chan_in_all),
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.chan_in (chan_in_all),
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.chan_out (chan_out_all),
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.chan_out (chan_out_all),
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.router_event (router_event[0]),
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.router_event (router_event[0]),
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.clk (clk ),
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.clk (clk ),
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.reset (reset )
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.reset (reset )
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);
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);
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endmodule
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endmodule
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module star_conventional_routing #(
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module star_conventional_routing #(
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parameter NE = 8
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parameter NE = 8
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)
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)
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(
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(
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dest_e_addr,
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dest_e_addr,
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destport
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destport
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);
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);
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function integer log2;
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function integer log2;
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input integer number; begin
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input integer number; begin
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log2=(number <=1) ? 1: 0;
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log2=(number <=1) ? 1: 0;
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while(2**log2
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while(2**log2
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log2=log2+1;
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log2=log2+1;
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end
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end
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end
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end
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endfunction // log2
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endfunction // log2
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localparam EAw = log2(NE);
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localparam EAw = log2(NE);
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input [EAw-1 :0] dest_e_addr;
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input [EAw-1 :0] dest_e_addr;
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output [EAw-1 :0] destport;
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output [EAw-1 :0] destport;
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// the destination endpoint address & connection port number are the same in star topology
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// the destination endpoint address & connection port number are the same in star topology
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assign destport = dest_e_addr;
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assign destport = dest_e_addr;
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endmodule
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endmodule
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