initial commit for open source NoC IP

2023-11-26 14:59:34 +01:00
commit 6ba3d27334
122 changed files with 14907 additions and 0 deletions
--- a/rtl/util/commoncell/src/Basic/dv/StreamFIFO_tb.v
+++ b/rtl/util/commoncell/src/Basic/dv/StreamFIFO_tb.v
@@ -0,0 +1,83 @@
+module StreamFIFO_tb;
+
+  // Parameters
+  localparam int unsigned Depth = 8;
+  localparam int unsigned WordWidth = 64;
+
+  // Ports
+  reg enq_vld_i = 0;
+  reg [WordWidth-1:0] enq_payload_i;
+  wire enq_rdy_o;
+  wire deq_vld_o;
+  wire [WordWidth-1:0] deq_payload_o;
+  reg deq_rdy_i = 0;
+  reg flush_i = 0;
+  reg clk = 0;
+  reg rstn = 0;
+
+  bit [WordWidth-1:0] golden_fifo[$];
+  bit [WordWidth-1:0] random_payload;
+  bit [WordWidth-1:0] golden_fifo_front;
+
+  int iter = 1000000;
+
+
+  initial begin
+    begin
+      #10 rstn = 1'b1;
+      repeat (iter) begin : random_test
+        @(negedge clk);
+        enq_vld_i = 1'b0;
+        deq_rdy_i = 1'b0;
+        if ($urandom_range(0, 1) && deq_vld_o) begin : test_deq
+          deq_rdy_i = 1'b1;
+          golden_fifo_front = golden_fifo.pop_front();
+          CHECK_EQUALATION :
+          assert (deq_payload_o == golden_fifo_front)
+          else begin
+            $fatal("\n Error: Fail when check equalation, ours[%x] -- gloden[%x]", deq_payload_o,
+                   golden_fifo_front);
+          end
+          ;
+        end
+        if ($urandom_range(0, 1) && enq_rdy_o) begin : test_push
+          random_payload = $urandom();
+          enq_vld_i = 1'b1;
+          enq_payload_i = random_payload;
+          golden_fifo.push_back(random_payload);
+        end
+      end
+      $info("\n PASS after %d iter \n", iter);
+      $finish;
+    end
+  end
+
+
+  StreamFIFO #(
+      .Depth(Depth),
+      .WordWidth(WordWidth)
+  ) StreamFIFO_dut (
+      .enq_vld_i(enq_vld_i),
+      .enq_payload_i(enq_payload_i),
+      .enq_rdy_o(enq_rdy_o),
+      .deq_vld_o(deq_vld_o),
+      .deq_payload_o(deq_payload_o),
+      .deq_rdy_i(deq_rdy_i),
+      .flush_i(flush_i),
+      .clk(clk),
+      .rstn(rstn)
+  );
+
+`ifdef DUMPON
+  initial begin : GEN_WAVEFORM
+    $fsdbDumpfile("StreamFIFO_tb.fsdb");
+    $fsdbDumpvars(0, StreamFIFO_tb);
+    $fsdbDumpvars("+mda");
+    $fsdbDumpvars("+all");
+    $fsdbDumpon();
+  end
+`endif
+
+  always #20 clk = !clk;
+
+endmodule