1 files changed, 58 insertions, 0 deletions
diff --git a/fpga/usrp3/lib/sim/axi_crossbar/simulation_script.v b/fpga/usrp3/lib/sim/axi_crossbar/simulation_script.v
new file mode 100644
index 000000000..6a89680a5
--- /dev/null
+++ b/fpga/usrp3/lib/sim/axi_crossbar/simulation_script.v
@@ -0,0 +1,58 @@
+
+
+initial $dumpfile("axi_crossbar_tb.vcd");
+initial $dumpvars(0,axi_crossbar_tb);
+
+   reg [15:0] x;
+   
+   
+   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
+	//
+	@(posedge clk);
+	fork
+	   begin
+	      // 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
+	
+	repeat (1000) @(posedge clk);
+	$finish;
+	
+     end // initial begin
+