Subversion Repositories ha1588

/*

 * ha1588.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

// TODO: add define to generate rtc only or tsu only.

module ha1588 (

  input         rst,clk,

  input         wr_in,rd_in,

  input  [ 7:0] addr_in,

  input  [31:0] data_in,

  output [31:0] data_out,

  input         rtc_clk,

  output [31:0] rtc_time_ptp_ns,

  output [47:0] rtc_time_ptp_sec,

  input       rx_gmii_clk,

  input       rx_gmii_ctrl,

  input [7:0] rx_gmii_data,

  input       tx_gmii_clk,

  input       tx_gmii_ctrl,

  input [7:0] tx_gmii_data

);

parameter addr_is_in_word = 0;

wire [ 5: 0] word_addr_in;

wire [ 7: 0] byte_addr_in;

generate

  if (addr_is_in_word)

    assign word_addr_in = addr_in[ 5: 0];

  else

    assign word_addr_in = addr_in[ 7: 2];

endgenerate

assign byte_addr_in = {word_addr_in, 2'b00};

wire rtc_rst;

wire rtc_time_ld, rtc_period_ld, rtc_adj_ld, adj_ld_done;

wire [37:0] rtc_time_reg_ns;

wire [47:0] rtc_time_reg_sec;

wire [39:0] rtc_period;

wire [31:0] rtc_adj_ld_data;

wire [39:0] rtc_period_adj;

wire [37:0] rtc_time_reg_ns_val;

wire [47:0] rtc_time_reg_sec_val;

wire [79:0] rtc_time_ptp_val = {rtc_time_ptp_sec[47:0], rtc_time_ptp_ns[31:0]};

wire rx_q_rst, rx_q_clk;

wire rx_q_rd_en;

wire [  7:0] rx_q_ptp_msgid_mask;

wire [  7:0] rx_q_stat;

wire [127:0] rx_q_data;

wire tx_q_rst, tx_q_clk;

wire tx_q_rd_en;

wire [  7:0] tx_q_ptp_msgid_mask;

wire [  7:0] tx_q_stat;

wire [127:0] tx_q_data;

rgs u_rgs

(

  .rst(rst),

  .clk(clk),

  .wr_in(wr_in),

  .rd_in(rd_in),

  .addr_in(byte_addr_in),

  .data_in(data_in),

  .data_out(data_out),

  .rtc_clk_in(rtc_clk),

  .rtc_rst_out(rtc_rst),

  .time_ld_out(rtc_time_ld),

  .time_reg_ns_out(rtc_time_reg_ns),

  .time_reg_sec_out(rtc_time_reg_sec),

  .period_ld_out(rtc_period_ld),

  .period_out(rtc_period),

  .adj_ld_out(rtc_adj_ld),

  .adj_ld_data_out(rtc_adj_ld_data),

  .period_adj_out(rtc_period_adj),

  .adj_ld_done_in(adj_ld_done),

  .time_reg_ns_in(rtc_time_reg_ns_val),

  .time_reg_sec_in(rtc_time_reg_sec_val),

  .rx_q_rst_out(rx_q_rst),

  .rx_q_rd_clk_out(rx_q_clk),

  .rx_q_rd_en_out(rx_q_rd_en),

  .rx_q_ptp_msgid_mask_out(rx_q_ptp_msgid_mask),

  .rx_q_stat_in(rx_q_stat),

  .rx_q_data_in(rx_q_data),

  .tx_q_rst_out(tx_q_rst),

  .tx_q_rd_clk_out(tx_q_clk),

  .tx_q_rd_en_out(tx_q_rd_en),

  .tx_q_ptp_msgid_mask_out(tx_q_ptp_msgid_mask),

  .tx_q_stat_in(tx_q_stat),

  .tx_q_data_in(tx_q_data)

);

rtc u_rtc

(

  .rst(rtc_rst),

  .clk(rtc_clk),

  .time_ld(rtc_time_ld),

  .time_reg_ns_in(rtc_time_reg_ns),

  .time_reg_sec_in(rtc_time_reg_sec),

  .period_ld(rtc_period_ld),

  .period_in(rtc_period),

  .adj_ld(rtc_adj_ld),

  .adj_ld_data(rtc_adj_ld_data),

  .adj_ld_done(adj_ld_done),

  .period_adj(rtc_period_adj),

  .time_reg_ns(rtc_time_reg_ns_val),

  .time_reg_sec(rtc_time_reg_sec_val),

  .time_ptp_ns(rtc_time_ptp_ns),

  .time_ptp_sec(rtc_time_ptp_sec)

);

tsu u_rx_tsu

(

  .rst(rst),

  .gmii_clk(rx_gmii_clk),

  .gmii_ctrl(rx_gmii_ctrl),

  .gmii_data(rx_gmii_data),

  .ptp_msgid_mask(rx_q_ptp_msgid_mask),

  .rtc_timer_clk(rtc_clk),

  .rtc_timer_in(rtc_time_ptp_val),

  .q_rst(rx_q_rst),

  .q_rd_clk(rx_q_clk),

  .q_rd_en(rx_q_rd_en),

  .q_rd_stat(rx_q_stat),

  .q_rd_data(rx_q_data)

);

tsu u_tx_tsu

(

  .rst(rst),

  .gmii_clk(tx_gmii_clk),

  .gmii_ctrl(tx_gmii_ctrl),

  .gmii_data(tx_gmii_data),

  .ptp_msgid_mask(tx_q_ptp_msgid_mask),

  .rtc_timer_clk(rtc_clk),

  .rtc_timer_in(rtc_time_ptp_val),

  .q_rst(tx_q_rst),

  .q_rd_clk(tx_q_clk),

  .q_rd_en(tx_q_rd_en),

  .q_rd_stat(tx_q_stat),

  .q_rd_data(tx_q_data)

);

endmodule