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// Simulate a 2x2 switch configuration
localparam NUM_INPUTS = 2;
localparam NUM_OUTPUTS = 2;
//initial $dumpfile("axi_crossbar_tb.vcd");
//initial $dumpvars(0,axi_crossbar_tb);
reg [15:0] x;
reg [31:0] seq_i0, seq_i1, seq_o0, seq_o1;
/////////////////////////////////////////////
//
// Control and input data thread.
//
/////////////////////////////////////////////
initial
begin
@(posedge clk);
reset <= 1;
repeat (5) @(posedge clk);
@(posedge clk);
reset <= 0;
@(posedge clk);
// 2x2 Switch so only mask one bit of SID for route dest.
// Each slave must have a unique address, logic doesn't check for this.
//
// Network Addr 0 & 1 go to Slave 0.
write_setting_bus(0,0); // 0.X goes to Port 0
write_setting_bus(1,0); // 1.X goes to Port 0
// Local Addr = 2
write_setting_bus(512,2);
// Host Addr 0 & 2 go to Slave 0...
write_setting_bus(256,0); // 2.0 goes to Port 0
write_setting_bus(258,0); // 2.2 goes to Port 0
// ...Host Addr 1 & 3 go to Slave 1...
write_setting_bus(257,1); // 2.1 goes to Port 1
write_setting_bus(259,1); // 2.3 goes to Port 1
//
/* -----\/----- EXCLUDED -----\/-----
@(posedge clk);
fork
begin
// input_port,size,tsf,sid
//
// Master0, addr 0.0 to Slave0
enqueue_vita_pkt(0,10,0,{16'h0,8'h0,8'h0});
// Master0, addr 2.0 to Slave0
enqueue_vita_pkt(0,11,'h12345678,{16'h0,8'h2,8'h0});
// Master0, addr 2.3 to Slave1
enqueue_vita_pkt(0,14,'h45678901,{16'h0,8'h2,8'h3});
// Master0, addr 2.2 to Slave0
enqueue_vita_pkt(0,11,'h67890123,{16'h0,8'h2,8'h2});
end
begin
// Master1, addr 1.0 to Slave0
enqueue_vita_pkt(1,12,'h23456789,{16'h0,8'h1,8'h0});
// Master1, addr 2.1 to Slave1
enqueue_vita_pkt(1,13,'h34567890,{16'h0,8'h2,8'h1});
// Master1, addr 2.3 to Slave1
enqueue_vita_pkt(1,14,'h56789012,{16'h0,8'h2,8'h3});
end
join
-----/\----- EXCLUDED -----/\----- */
//
@(posedge clk);
fork
begin
// Master0 Sender Thread.
//
// Master0, addr 0.0 to Slave0
for (seq_i0 = 0; seq_i0 < 10; seq_i0=seq_i0 + 1)
enqueue_chdr_pkt_count(0,seq_i0,32+seq_i0,0,0,0,0,`SID(0,0,0,0));
// Master1, addr 1.0 to Slave0
for (seq_i0 = 20; seq_i0 < 30; seq_i0=seq_i0 + 1)
enqueue_chdr_pkt_count(0,seq_i0,32+seq_i0,0,0,0,0,`SID(0,0,1,0));
end
begin
// Master1 Sender Thread.
//
// Master1, addr 2.1 to Slave1
for (seq_i1 = 10; seq_i1 < 20; seq_i1=seq_i1 + 1)
enqueue_chdr_pkt_count(1,seq_i1,32+seq_i1,1,'h12345678+seq_i1*100,0,0,`SID(0,0,2,1));
// Master0, addr 2.3 to Slave1
for (seq_i1 = 30; seq_i1 < 40; seq_i1=seq_i1 + 1)
enqueue_chdr_pkt_count(1,seq_i1,32+seq_i1,1,'h23456789+seq_i1*100,0,0,`SID(0,0,2,3));
end
join
repeat (1000) @(posedge clk);
end // initial begin
/////////////////////////////////////////////
//
// Control and input data thread.
//
/////////////////////////////////////////////
initial
begin
// Wait for reset to go high
while (reset!==1'b1)
@(posedge clk);
// Wait for reset to go low
while (reset!==1'b0)
@(posedge clk);
// Fork concurrent output checkers for each egress port.
fork
begin
// Slave0 Recevier thread.
//
// Master0, addr 0.0 to Slave0
for (seq_o0 = 0; seq_o0 < 10; seq_o0=seq_o0 + 1)
dequeue_chdr_pkt_count(0,seq_o0,32+seq_o0,0,0,0,0,`SID(0,0,0,0));
// Master1, addr 1.0 to Slave0
for (seq_o0 = 20; seq_o0 < 30; seq_o0=seq_o0 + 1)
dequeue_chdr_pkt_count(0,seq_o0,32+seq_o0,0,0,0,0,`SID(0,0,1,0));
end
begin
// Slave1 Receiver thread.
//
// Master1, addr 2.1 to Slave1
for (seq_o1 = 10; seq_o1 < 20; seq_o1=seq_o1 + 1)
dequeue_chdr_pkt_count(1,seq_o1,32+seq_o1,1,'h12345678+seq_o1*100,0,0,`SID(0,0,2,1));
// Master0, addr 2.3 to Slave1
for (seq_o1 = 30; seq_o1 < 40; seq_o1=seq_o1 + 1)
dequeue_chdr_pkt_count(1,seq_o1,32+seq_o1,1,'h23456789+seq_o1*100,0,0,`SID(0,0,2,3));
end
join
repeat (1000) @(posedge clk);
$finish;
end // initial begin
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