Pushing the bulk of UHD-3.7.0 code.
Original-commit: ff1546f8137f7f92bb250f685561b0c34cc0e053
This commit is contained in:
@@ -0,0 +1,188 @@
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// Simulate a 4x4 switch configuration
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localparam NUM_INPUTS = 4;
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localparam NUM_OUTPUTS = 4;
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//initial $dumpfile("axi_crossbar_tb.vcd");
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//initial $dumpvars(0,axi_crossbar_tb);
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reg [15:0] x;
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reg [31:0] seq_i0, seq_i1, seq_i2, seq_i3, seq_o0, seq_o1, seq_o2, seq_o3;
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reg sync_flag0, sync_flag1;
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/////////////////////////////////////////////
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//
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// Control and input data thread.
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//
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/////////////////////////////////////////////
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initial
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begin
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// Flags to synchronise test bench threads
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sync_flag0 <= 0;
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sync_flag1 <= 0;
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@(posedge clk);
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reset <= 1;
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repeat (5) @(posedge clk);
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@(posedge clk);
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reset <= 0;
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@(posedge clk);
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// 2x2 Switch so only mask one bit of SID for route dest.
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// Each slave must have a unique address, logic doesn't check for this.
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//
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// Local Addr = 2
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write_setting_bus(512,2);
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// Network Addr 0 & 1 go to Slave 0.
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write_setting_bus(0,0); // 0.X goes to Port 0
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write_setting_bus(1,0); // 1.X goes to Port 0
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// Host Addr 0 goes to Slave 0...
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write_setting_bus(256,0); // 2.0 goes to Port 0
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// ...Host Addr 1 goes to Slave 1...
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write_setting_bus(257,1); // 2.1 goes to Port 1
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// ...Host Addr 2 goes to Slave 2...
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write_setting_bus(258,2); // 2.2 goes to Port 2
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// ...Host Addr 3 goes to Slave 3...
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write_setting_bus(259,3); // 2.3 goes to Port 3
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//
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@(posedge clk);
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fork
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begin
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// Master0 Sender Thread.
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//
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// addr 2.3 to Slave3
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for (seq_i0 = 0; seq_i0 < 10; seq_i0=seq_i0 + 1)
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enqueue_chdr_pkt_count(0,seq_i0,32+seq_i0,1,'h12345678+seq_i0*100,0,0,`SID(0,0,2,3));
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while (sync_flag0 !== 1'b1)
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@(posedge clk);
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//
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// addr 2.0 to Slave0
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for (seq_i0 = 30; seq_i0 < 40; seq_i0=seq_i0 + 1)
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enqueue_chdr_pkt_count(0,seq_i0,32+seq_i0,1,'h45678901+seq_i0*100,0,0,`SID(0,0,2,0));
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end
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begin
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// Master1 Sender Thread.
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//
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// addr 2.2 to Slave2
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for (seq_i1 = 10; seq_i1 < 20; seq_i1=seq_i1 + 1)
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enqueue_chdr_pkt_count(1,seq_i1,32+seq_i1,1,'h23456789+seq_i1*100,0,0,`SID(0,0,2,2));
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while (sync_flag1 !== 1'b1)
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@(posedge clk);
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//
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// addr 2.1 to Slave1
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for (seq_i1 = 20; seq_i1 < 30; seq_i1=seq_i1 + 1)
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enqueue_chdr_pkt_count(1,seq_i1,32+seq_i1,1,'h34567890+seq_i1*100,0,0,`SID(0,0,2,1));
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end
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begin
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// Master2 Sender Thread.
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//
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// addr 2.1 to Slave1
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for (seq_i2 = 20; seq_i2 < 30; seq_i2=seq_i2 + 1)
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enqueue_chdr_pkt_count(2,seq_i2,32+seq_i2,1,'h34567890+seq_i2*100,0,0,`SID(0,0,2,1));
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//
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// addr 2.2 to Slave2
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for (seq_i2 = 10; seq_i2 < 20; seq_i2=seq_i2 + 1)
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enqueue_chdr_pkt_count(2,seq_i2,32+seq_i2,1,'h23456789+seq_i2*100,0,0,`SID(0,0,2,2));
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end
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begin
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// Master3 Sender Thread.
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//
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// addr 2.0 to Slave0
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for (seq_i3 = 30; seq_i3 < 40; seq_i3=seq_i3 + 1)
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enqueue_chdr_pkt_count(3,seq_i3,32+seq_i3,1,'h45678901+seq_i3*100,0,0,`SID(0,0,2,0));
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//
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// addr 2.3 to Slave3
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for (seq_i3 = 0; seq_i3 < 10; seq_i3=seq_i3 + 1)
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enqueue_chdr_pkt_count(3,seq_i3,32+seq_i3,1,'h12345678+seq_i3*100,0,0,`SID(0,0,2,3));
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end
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join
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repeat (1000) @(posedge clk);
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end // initial begin
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/////////////////////////////////////////////
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//
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// Control and input data thread.
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//
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/////////////////////////////////////////////
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initial
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begin
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// Wait for reset to go high
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while (reset!==1'b1)
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@(posedge clk);
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// Wait for reset to go low
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while (reset!==1'b0)
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@(posedge clk);
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// Fork concurrent output checkers for each egress port.
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fork
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begin
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// Slave0 Recevier thread.
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//
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// addr 2.0 to Slave0
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for (seq_o0 = 30; seq_o0 < 40; seq_o0=seq_o0 + 1)
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dequeue_chdr_pkt_count(0,seq_o0,32+seq_o0,1,'h45678901+seq_o0*100,0,0,`SID(0,0,2,0));
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sync_flag0 <= 1'b1;
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//
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// addr 2.0 to Slave0
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for (seq_o0 = 30; seq_o0 < 40; seq_o0=seq_o0 + 1)
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enqueue_chdr_pkt_count(0,seq_o0,32+seq_o0,1,'h45678901+seq_o0*100,0,0,`SID(0,0,2,0));
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end
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begin
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// Slave1 Recevier thread.
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//
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// addr 2.1 to Slave1
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for (seq_o1 = 20; seq_o1 < 30; seq_o1=seq_o1 + 1)
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dequeue_chdr_pkt_count(1,seq_o1,32+seq_o1,1,'h34567890+seq_o1*100,0,0,`SID(0,0,2,1));
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sync_flag1 <= 1'b1;
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//
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// addr 2.1 to Slave1
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for (seq_o1 = 20; seq_o1 < 30; seq_o1=seq_o1 + 1)
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enqueue_chdr_pkt_count(1,seq_o1,32+seq_o1,1,'h34567890+seq_o1*100,0,0,`SID(0,0,2,1));
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end
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begin
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// Slave2 Recevier thread.
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//
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// addr 2.2 to Slave2
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for (seq_o2 = 10; seq_o2 < 20; seq_o2=seq_o2 + 1)
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dequeue_chdr_pkt_count(2,seq_o2,32+seq_o2,1,'h23456789+seq_o2*100,0,0,`SID(0,0,2,2));
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//
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// addr 2.2 to Slave2
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for (seq_o2 = 10; seq_o2 < 20; seq_o2=seq_o2 + 1)
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enqueue_chdr_pkt_count(2,seq_o2,32+seq_o2,1,'h23456789+seq_o2*100,0,0,`SID(0,0,2,2));
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end
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begin
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// Slave3 Recevier thread.
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//
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// addr 2.3 to Slave3
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for (seq_o3 = 0; seq_o3 < 10; seq_o3=seq_o3 + 1)
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dequeue_chdr_pkt_count(3,seq_o3,32+seq_o3,1,'h12345678+seq_o3*100,0,0,`SID(0,0,2,3));
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//
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// addr 2.3 to Slave3
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for (seq_o3 = 0; seq_o3 < 10; seq_o3=seq_o3 + 1)
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enqueue_chdr_pkt_count(3,seq_o3,32+seq_o3,1,'h12345678+seq_o3*100,0,0,`SID(0,0,2,3));
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end
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join
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repeat (1000) @(posedge clk);
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$finish;
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end // initial begin
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