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code/Vezba 13 - prateci materijal/apb_uvc/examples/apb_test_top.sv

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+/****************************************************************************
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+    |F|u|n|c|t|i|o|n|a|l| |V|e|r|i|f|i|c|a|t|i|o|n| |o|f| |H|a|r|d|w|a|r|e|
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+
+    FILE            apb_test_top.sv
+
+    DESCRIPTION     top module
+                    - connects DUT and interface
+                    - generates clk and reset
+                    - runs UVM test
+
+ ****************************************************************************/
+
+`ifndef APB_TEST_TOP_SV
+`define APB_TEST_TOP_SV
+
+/**
+ * Module: apb_test_top
+ */
+module apb_test_top;
+
+    import uvm_pkg::*;            // import the UVM library
+    `include "uvm_macros.svh"     // Include the UVM macros
+
+    import apb_pkg::*;            // import the APB pkg
+    
+    `include "apb_test_lib.sv"
+    
+    `include "dut.sv"
+
+    logic clock;
+    logic reset;
+
+    // interface
+    apb_if apb_vif(clock, reset);
+    
+    // DUT
+    dut #(  .ADDR_WIDTH(32),
+            .RDATA_WIDTH(32),
+            .WDATA_WIDTH(32),
+            .SLV_NUM(15)
+        ) dut_inst (
+            .paddr   (apb_vif.paddr  ),
+            .psel    (apb_vif.psel   ),
+            .penable (apb_vif.penable),
+            .pwrite  (apb_vif.pwrite ),
+            .pwdata  (apb_vif.pwdata ),
+            .pready  (apb_vif.pready ),
+            .prdata  (apb_vif.prdata ),
+            .pslverr (apb_vif.pslverr)            
+        );
+
+    // set interface in db; run UVM test
+    initial begin
+        uvm_config_db#(virtual apb_if)::set(null,"uvm_test_top.*","apb_if", apb_vif);
+        run_test();
+    end
+    
+    // initialize clock and reset
+    initial begin
+        clock <= 1'b0;
+        reset <= 1'b0;
+        #50 reset <= 1'b1;
+    end
+
+    // generate clock
+    always #5 clock = ~clock;    
+
+endmodule : apb_test_top
+
+`endif
+