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Subversion Repositories wb_size_bridge

[/] [wb_size_bridge/] [trunk/] [tb/] [test/] [debug/] [tb_top.v] - Blame information for rev 5

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1 5 qaztronic 
// --------------------------------------------------------------------
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//
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// --------------------------------------------------------------------
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`timescale 1ns/10ps
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module tb_top();
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  parameter CLK_PERIOD = 10;
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  reg tb_clk, tb_rst;
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  initial
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    begin
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      tb_clk <= 1'b1;
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      tb_rst <= 1'b1;
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      #(CLK_PERIOD); #(CLK_PERIOD/3);
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      tb_rst = 1'b0;
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    end
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  always
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    #(CLK_PERIOD/2) tb_clk = ~tb_clk;
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// --------------------------------------------------------------------
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// tb_dut
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  tb_dut dut( tb_clk, tb_rst );
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// --------------------------------------------------------------------
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// insert test below
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  initial
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    begin
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      wait( ~tb_rst );
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      repeat(2) @(posedge tb_clk);
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      // 8 bit if
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      $display("\n^^^- testing 8 bit interface\n");
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0000, 32'h3322_1100);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0004, 32'h7766_5544);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0008, 32'hbbaa_9988);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_000c, 32'hffee_ddcc);
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      dut.wbm.wb_write(0, 0, 32'h6000_0010, 32'habba_beef);
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      dut.wbm.wb_write(0, 0, 32'h6000_0014, 32'h1a2b_3c4d);
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      dut.wbm.wb_write(0, 0, 32'h6000_0018, 32'hcafe_1a7e);
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      dut.wbm.wb_write(0, 0, 32'h6000_001c, 32'h5a5a_0f0f);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0010, 32'habba_beef);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0014, 32'h1a2b_3c4d);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_0018, 32'hcafe_1a7e);
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      dut.wbm.wb_cmp(0, 0, 32'h6000_001c, 32'h5a5a_0f0f);
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      dut.wbm.wb_write_sel(0, 0, 4'b0001, 32'h6000_0010, 32'hxxxx_xx00);
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      dut.wbm.wb_write_sel(0, 0, 4'b0010, 32'h6000_0014, 32'hxxxx_11xx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0100, 32'h6000_0018, 32'hxx22_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b1000, 32'h6000_001c, 32'h33xx_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0001, 32'h6000_0010, 32'hxxxx_xx00);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0010, 32'h6000_0014, 32'hxxxx_11xx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0100, 32'h6000_0018, 32'hxx22_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1000, 32'h6000_001c, 32'h33xx_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0011, 32'h6000_0000, 32'hxxxx_0ab1);
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      dut.wbm.wb_write_sel(0, 0, 4'b1100, 32'h6000_0004, 32'h2cd3_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0011, 32'h6000_0008, 32'hxxxx_4ef5);
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      dut.wbm.wb_write_sel(0, 0, 4'b1100, 32'h6000_000c, 32'h0f0f_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0011, 32'h6000_0000, 32'hxxxx_0ab1);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1100, 32'h6000_0004, 32'h2cd3_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0011, 32'h6000_0008, 32'hxxxx_4ef5);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1100, 32'h6000_000c, 32'h0f0f_xxxx);
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      // 16 bit if
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      $display("\n^^^- testing 16 bit interface\n");
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0000, 32'h3322_1100);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0004, 32'h7766_5544);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0008, 32'hbbaa_9988);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_000c, 32'hffee_ddcc);
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      dut.wbm.wb_write(0, 0, 32'ha000_0010, 32'habba_beef);
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      dut.wbm.wb_write(0, 0, 32'ha000_0014, 32'h1a2b_3c4d);
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      dut.wbm.wb_write(0, 0, 32'ha000_0018, 32'hcafe_1a7e);
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      dut.wbm.wb_write(0, 0, 32'ha000_001c, 32'h5a5a_0f0f);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0010, 32'habba_beef);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0014, 32'h1a2b_3c4d);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_0018, 32'hcafe_1a7e);
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      dut.wbm.wb_cmp(0, 0, 32'ha000_001c, 32'h5a5a_0f0f);
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      dut.wbm.wb_write_sel(0, 0, 4'b0011, 32'ha000_0000, 32'hxxxx_0ab1);
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      dut.wbm.wb_write_sel(0, 0, 4'b1100, 32'ha000_0004, 32'h2cd3_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0011, 32'ha000_0008, 32'hxxxx_4ef5);
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      dut.wbm.wb_write_sel(0, 0, 4'b1100, 32'ha000_000c, 32'h0f0f_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0011, 32'ha000_0000, 32'hxxxx_0ab1);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1100, 32'ha000_0004, 32'h2cd3_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0011, 32'ha000_0008, 32'hxxxx_4ef5);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1100, 32'ha000_000c, 32'h0f0f_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0001, 32'h0000_0010, 32'hxxxx_xx00);
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      dut.wbm.wb_write_sel(0, 0, 4'b0010, 32'h0000_0014, 32'hxxxx_11xx);
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      dut.wbm.wb_write_sel(0, 0, 4'b0100, 32'h0000_0018, 32'hxx22_xxxx);
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      dut.wbm.wb_write_sel(0, 0, 4'b1000, 32'h0000_001c, 32'h33xx_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0001, 32'h0000_0010, 32'hxxxx_xx00);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0010, 32'h0000_0014, 32'hxxxx_11xx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b0100, 32'h0000_0018, 32'hxx22_xxxx);
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      dut.wbm.wb_cmp_sel(0, 0, 4'b1000, 32'h0000_001c, 32'h33xx_xxxx);
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      // do illegal byte boundary access
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      $display("\n^^^- testing illegal byte boundary access\n");
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      dut.wbm.wb_write_sel(0, 0, 4'b0110, 32'ha000_0020, 32'hxxba_adxx);
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      repeat(2) @(posedge tb_clk);
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      $display("\n^^^---------------------------------\n");
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      $display("^^^- Testbench done. %t.\n", $time);
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      $stop();
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    end
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endmodule
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