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axipg/tb/tb_intf.sv

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Systemverilog

// Testbench interface for UVM-based verification environment
interface testbench_if (
output clk,
output rst_n
);
logic clk_w;
logic rst_n_w;
assign clk = clk_w;
assign rst_n = rst_n_w;
// --------------------------------------------------
// Clock generation
initial begin
clk_w = 0; // Initialize clock to 0 at time 0
forever begin
#5ns clk_w = ~clk_w; // Toggle clock every 5 ns
end
end
// --------------------------------------------------
// Initial reset
initial begin
rst_n_w = 0;
repeat(20) @(posedge clk_w);
rst_n_w = 1; // Release reset after 20 clocks
end
endinterface