Subversion Repositories ao486

 
`timescale 1 ps / 1 ps
 
module tb_rtc();
 
reg clk;
reg rst_n;
 
wire interrupt;
 
reg         io_address      = 1'b0;
reg         io_read         = 1'b0;
wire [7:0]  io_readdata;
reg         io_write        = 1'b0;
reg  [7:0]  io_writedata    = 8'd0;
 
reg  [7:0]  mgmt_address    = 8'd0;
reg         mgmt_write      = 1'b0;
reg  [31:0] mgmt_writedata  = 32'd0;
 
rtc rtc_inst(
    .clk                (clk),
    .rst_n              (rst_n),
 
    .interrupt          (interrupt),      //output
 
    //io slave
    .io_address         (io_address),     //input
    .io_read            (io_read),        //input
    .io_readdata        (io_readdata),    //output [7:0]
    .io_write           (io_write),       //input
    .io_writedata       (io_writedata),   //input [7:0]
 
    //mgmt slave
    /*
    128.[26:0]: cycles in second
    129.[12:0]: cycles in 122.07031 us
    */
    .mgmt_address       (mgmt_address),       //input [7:0]
    .mgmt_write         (mgmt_write),         //input
    .mgmt_writedata     (mgmt_writedata)      //input [31:0]
);
 
//------------------------------------------------------------------------------
 
initial begin
    clk = 1'b0;
    forever #5 clk = ~clk;
end
 
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
 
integer finished = 0;
 
reg [255:0] dumpfile_name;
initial begin
    if( $value$plusargs("dumpfile=%s", dumpfile_name) == 0 ) begin
        dumpfile_name = "default.vcd";
    end
 
    $dumpfile(dumpfile_name);
    $dumpvars(0);
    $dumpon();
 
    $display("START");
 
    rst_n = 1'b0;
    #10 rst_n = 1'b1;
 
    while(finished == 0) begin
        if($time > 200000) $finish_and_return(-1);
        #10;
 
        //$dumpflush();
    end
 
    #60;
 
    $dumpoff();
    $finish_and_return(0);
end
 
//------------------------------------------------------------------------------
 
endmodule