Subversion Repositories ha1588

/*

 * tsu_queue_tb.v

 *

 * Copyright (c) 2012, BABY&HW. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA 02110-1301  USA

 */

`timescale 1ns/1ns

module tsu_queue_tb;

reg         rst;

wire        gmii_rxclk;

wire        gmii_rxctrl;

wire [ 7:0] gmii_rxdata;

wire        gmii_txclk;

wire        gmii_txctrl;

wire [ 7:0] gmii_txdata;

reg         rtc_timer_clk;

reg  [79:0] rtc_timer_in;

reg          q_rd_clk;

reg          q_rd_en;

wire [  7:0] q_rd_stat;

wire [127:0] q_rd_data;

initial begin

  // emulate the hardware behavior when power-up

  DUT_RX.ts_ack = 1'b0;

  DUT_TX.ts_ack = 1'b0;

      rst = 1'b0;

  #10 rst = 1'b1;

  #20 rst = 1'b0;

end

initial begin

             q_rd_clk = 1'b0;

  forever #5 q_rd_clk = !q_rd_clk;

end

initial begin

             rtc_timer_clk = 1'b0;

  forever #4 rtc_timer_clk = !rtc_timer_clk;

end

initial begin

                                   rtc_timer_in = 80'd0;

  forever @(posedge rtc_timer_clk) rtc_timer_in = rtc_timer_in +1;

end

tsu DUT_RX

  (

    .rst(rst),

    .gmii_clk(gmii_rxclk),

    .gmii_ctrl(gmii_rxctrl),

    .gmii_data(gmii_rxdata),

    .ptp_msgid_mask(8'b11111111),

    .rtc_timer_clk(rtc_timer_clk),

    .rtc_timer_in(rtc_timer_in),

    .q_rst(rst),

    .q_rd_clk(q_rd_clk),

    .q_rd_en(q_rd_en),

    .q_rd_stat(q_rd_stat),

    .q_rd_data(q_rd_data)

  );

gmii_rx_bfm BFM_RX

  (

    .gmii_rxclk(gmii_rxclk),

    .gmii_rxctrl(gmii_rxctrl),

    .gmii_rxdata(gmii_rxdata)

  );

tsu DUT_TX

  (

    .rst(rst),

    .gmii_clk(gmii_txclk),

    .gmii_ctrl(gmii_txctrl),

    .gmii_data(gmii_txdata),

    .ptp_msgid_mask(8'b11111111),

    .rtc_timer_clk(rtc_timer_clk),

    .rtc_timer_in(rtc_timer_in),

    .q_rst(rst),

    .q_rd_clk(q_rd_clk),

    .q_rd_en(),

    .q_rd_stat(),

    .q_rd_data()

  );

gmii_tx_bfm BFM_TX

  (

    .gmii_txclk(gmii_txclk),

    .gmii_txctrl(gmii_txctrl),

    .gmii_txdata(gmii_txdata)

  );

integer rx_ptp_event_cnt, rx_ptp_mismatch_cnt;

integer ref_file_handle_rx, return_fscanf_rx, ref_num_rx;

initial begin

  rx_ptp_event_cnt = 0;

  rx_ptp_mismatch_cnt = 0;

  ref_file_handle_rx = $fopen("ptpdv2_rx.txt","r");

  forever @(posedge DUT_RX.q_wr_en) begin

    rx_ptp_event_cnt = rx_ptp_event_cnt + 1;

    return_fscanf_rx = $fscanf(ref_file_handle_rx, "%d", ref_num_rx);

    if (BFM_RX.num_rx != ref_num_rx) begin

      $warning("%d %d", BFM_RX.num_rx, ref_num_rx);

      rx_ptp_mismatch_cnt = rx_ptp_mismatch_cnt + 1;

    end

  end

  $fclose(ref_file_handle_rx);

end

integer tx_ptp_event_cnt, tx_ptp_mismatch_cnt;

integer ref_file_handle_tx, return_fscanf_tx, ref_num_tx;

initial begin

  tx_ptp_event_cnt = 0;

  tx_ptp_mismatch_cnt = 0;

  ref_file_handle_tx = $fopen("ptpdv2_tx.txt","r");

  forever @(posedge DUT_TX.q_wr_en) begin

    tx_ptp_event_cnt = tx_ptp_event_cnt + 1;

    return_fscanf_tx = $fscanf(ref_file_handle_tx, "%d", ref_num_tx);

    if (BFM_TX.num_tx != ref_num_tx) begin

      $warning("%d %d", BFM_TX.num_tx, ref_num_tx);

      tx_ptp_mismatch_cnt = tx_ptp_mismatch_cnt + 1;

    end

  end

  $fclose(ref_file_handle_tx);

end

initial begin

  fork

    @(posedge BFM_RX.eof_rx);

    @(posedge BFM_TX.eof_tx);

  join

  if      (rx_ptp_event_cnt == 0 || tx_ptp_event_cnt == 0) begin

    if (rx_ptp_event_cnt == 0)

    $display("RX Parser Test Fail: found 0 PTP-EVENT!");

    if (tx_ptp_event_cnt == 0)

    $display("TX Parser Test Fail: found 0 PTP-EVENT!");

  end

  else if (rx_ptp_mismatch_cnt > 0 || tx_ptp_mismatch_cnt > 0) begin

    if (rx_ptp_mismatch_cnt > 0)

    $display("Rx Parser Mismatch Found: RX-PTP-EVENT-MISMATCH = %d", rx_ptp_mismatch_cnt);

    if (tx_ptp_mismatch_cnt > 0)

    $display("Tx Parser Mismatch Found: TX-PTP-EVENT-MISMATCH = %d", tx_ptp_mismatch_cnt);

  end

  else begin

    $display("RX and TX Parser Test Pass:\n RX-PTP-EVENT = %d\n TX-PTP-EVENT = %d", rx_ptp_event_cnt, tx_ptp_event_cnt);

  end

  #100 $stop;

end

endmodule