/*
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/*
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* reg.v
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* reg.v
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*
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*
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* Copyright (c) 2012, BABY&HW. All rights reserved.
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* Copyright (c) 2012, BABY&HW. All rights reserved.
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*
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*
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* This library is free software; you can redistribute it and/or
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* version 2.1 of the License, or (at your option) any later version.
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*
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*
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* This library is distributed in the hope that it will be useful,
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* Lesser General Public License for more details.
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*
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*
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* You should have received a copy of the GNU Lesser General Public
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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* MA 02110-1301 USA
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*/
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*/
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`timescale 1ns/1ns
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`timescale 1ns/1ns
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module rgs (
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module rgs (
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// generic bus interface
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// generic bus interface
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input rst,clk,
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input rst,clk,
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input wr_in,rd_in,
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input wr_in,rd_in,
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input [ 7:0] addr_in,
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input [ 7:0] addr_in,
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input [31:0] data_in,
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input [31:0] data_in,
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output [31:0] data_out,
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output [31:0] data_out,
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// rtc interface
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// rtc interface
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input rtc_clk_in,
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input rtc_clk_in,
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output rtc_rst_out,
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output rtc_rst_out,
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output time_ld_out,
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output time_ld_out,
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output [37:0] time_reg_ns_out,
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output [37:0] time_reg_ns_out,
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output [47:0] time_reg_sec_out,
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output [47:0] time_reg_sec_out,
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output period_ld_out,
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output period_ld_out,
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output [39:0] period_out,
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output [39:0] period_out,
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output adj_ld_out,
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output adj_ld_out,
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output [31:0] adj_ld_data_out,
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output [31:0] adj_ld_data_out,
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output [39:0] period_adj_out,
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output [39:0] period_adj_out,
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input adj_ld_done_in,
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input adj_ld_done_in,
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input [37:0] time_reg_ns_in,
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input [37:0] time_reg_ns_in,
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input [47:0] time_reg_sec_in,
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input [47:0] time_reg_sec_in,
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// rx tsu interface
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// rx tsu interface
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output rx_q_rst_out,
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output rx_q_rst_out,
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output rx_q_rd_clk_out,
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output rx_q_rd_clk_out,
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output rx_q_rd_en_out,
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output rx_q_rd_en_out,
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input [ 7:0] rx_q_stat_in,
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input [ 7:0] rx_q_stat_in,
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input [127:0] rx_q_data_in,
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input [127:0] rx_q_data_in,
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// tx tsu interface
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// tx tsu interface
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output tx_q_rst_out,
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output tx_q_rst_out,
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output tx_q_rd_clk_out,
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output tx_q_rd_clk_out,
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output tx_q_rd_en_out,
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output tx_q_rd_en_out,
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input [ 7:0] tx_q_stat_in,
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input [ 7:0] tx_q_stat_in,
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input [127:0] tx_q_data_in
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input [127:0] tx_q_data_in
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);
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);
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parameter const_00 = 8'h00;
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parameter const_00 = 8'h00;
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parameter const_04 = 8'h04;
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parameter const_04 = 8'h04;
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parameter const_08 = 8'h08;
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parameter const_08 = 8'h08;
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parameter const_0c = 8'h0C;
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parameter const_0c = 8'h0C;
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parameter const_10 = 8'h10;
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parameter const_10 = 8'h10;
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parameter const_14 = 8'h14;
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parameter const_14 = 8'h14;
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parameter const_18 = 8'h18;
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parameter const_18 = 8'h18;
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parameter const_1c = 8'h1C;
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parameter const_1c = 8'h1C;
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parameter const_20 = 8'h20;
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parameter const_20 = 8'h20;
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parameter const_24 = 8'h24;
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parameter const_24 = 8'h24;
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parameter const_28 = 8'h28;
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parameter const_28 = 8'h28;
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parameter const_2c = 8'h2C;
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parameter const_2c = 8'h2C;
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parameter const_30 = 8'h30;
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parameter const_30 = 8'h30;
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parameter const_34 = 8'h34;
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parameter const_34 = 8'h34;
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parameter const_38 = 8'h38;
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parameter const_38 = 8'h38;
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parameter const_3c = 8'h3C;
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parameter const_3c = 8'h3C;
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parameter const_40 = 8'h40;
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parameter const_40 = 8'h40;
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parameter const_44 = 8'h44;
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parameter const_44 = 8'h44;
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parameter const_48 = 8'h48;
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parameter const_48 = 8'h48;
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parameter const_4c = 8'h4C;
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parameter const_4c = 8'h4C;
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parameter const_50 = 8'h50;
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parameter const_50 = 8'h50;
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parameter const_54 = 8'h54;
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parameter const_54 = 8'h54;
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parameter const_58 = 8'h58;
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parameter const_58 = 8'h58;
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parameter const_5c = 8'h5C;
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parameter const_5c = 8'h5C;
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parameter const_60 = 8'h60;
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parameter const_60 = 8'h60;
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parameter const_64 = 8'h64;
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parameter const_64 = 8'h64;
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parameter const_68 = 8'h68;
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parameter const_68 = 8'h68;
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parameter const_6c = 8'h6C;
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parameter const_6c = 8'h6C;
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parameter const_70 = 8'h70;
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parameter const_70 = 8'h70;
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parameter const_74 = 8'h74;
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parameter const_74 = 8'h74;
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parameter const_78 = 8'h78;
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parameter const_78 = 8'h78;
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parameter const_7c = 8'h7C;
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parameter const_7c = 8'h7C;
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wire cs_00 = (addr_in[7:2]==const_00[7:2])? 1'b1: 1'b0;
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wire cs_00 = (addr_in[7:2]==const_00[7:2])? 1'b1: 1'b0;
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wire cs_04 = (addr_in[7:2]==const_04[7:2])? 1'b1: 1'b0;
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wire cs_04 = (addr_in[7:2]==const_04[7:2])? 1'b1: 1'b0;
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wire cs_08 = (addr_in[7:2]==const_08[7:2])? 1'b1: 1'b0;
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wire cs_08 = (addr_in[7:2]==const_08[7:2])? 1'b1: 1'b0;
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wire cs_0c = (addr_in[7:2]==const_0c[7:2])? 1'b1: 1'b0;
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wire cs_0c = (addr_in[7:2]==const_0c[7:2])? 1'b1: 1'b0;
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wire cs_10 = (addr_in[7:2]==const_10[7:2])? 1'b1: 1'b0;
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wire cs_10 = (addr_in[7:2]==const_10[7:2])? 1'b1: 1'b0;
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wire cs_14 = (addr_in[7:2]==const_14[7:2])? 1'b1: 1'b0;
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wire cs_14 = (addr_in[7:2]==const_14[7:2])? 1'b1: 1'b0;
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wire cs_18 = (addr_in[7:2]==const_18[7:2])? 1'b1: 1'b0;
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wire cs_18 = (addr_in[7:2]==const_18[7:2])? 1'b1: 1'b0;
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wire cs_1c = (addr_in[7:2]==const_1c[7:2])? 1'b1: 1'b0;
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wire cs_1c = (addr_in[7:2]==const_1c[7:2])? 1'b1: 1'b0;
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wire cs_20 = (addr_in[7:2]==const_20[7:2])? 1'b1: 1'b0;
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wire cs_20 = (addr_in[7:2]==const_20[7:2])? 1'b1: 1'b0;
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wire cs_24 = (addr_in[7:2]==const_24[7:2])? 1'b1: 1'b0;
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wire cs_24 = (addr_in[7:2]==const_24[7:2])? 1'b1: 1'b0;
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wire cs_28 = (addr_in[7:2]==const_28[7:2])? 1'b1: 1'b0;
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wire cs_28 = (addr_in[7:2]==const_28[7:2])? 1'b1: 1'b0;
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wire cs_2c = (addr_in[7:2]==const_2c[7:2])? 1'b1: 1'b0;
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wire cs_2c = (addr_in[7:2]==const_2c[7:2])? 1'b1: 1'b0;
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wire cs_30 = (addr_in[7:2]==const_30[7:2])? 1'b1: 1'b0;
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wire cs_30 = (addr_in[7:2]==const_30[7:2])? 1'b1: 1'b0;
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wire cs_34 = (addr_in[7:2]==const_34[7:2])? 1'b1: 1'b0;
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wire cs_34 = (addr_in[7:2]==const_34[7:2])? 1'b1: 1'b0;
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wire cs_38 = (addr_in[7:2]==const_38[7:2])? 1'b1: 1'b0;
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wire cs_38 = (addr_in[7:2]==const_38[7:2])? 1'b1: 1'b0;
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wire cs_3c = (addr_in[7:2]==const_3c[7:2])? 1'b1: 1'b0;
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wire cs_3c = (addr_in[7:2]==const_3c[7:2])? 1'b1: 1'b0;
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wire cs_40 = (addr_in[7:2]==const_40[7:2])? 1'b1: 1'b0;
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wire cs_40 = (addr_in[7:2]==const_40[7:2])? 1'b1: 1'b0;
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wire cs_44 = (addr_in[7:2]==const_44[7:2])? 1'b1: 1'b0;
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wire cs_44 = (addr_in[7:2]==const_44[7:2])? 1'b1: 1'b0;
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wire cs_48 = (addr_in[7:2]==const_48[7:2])? 1'b1: 1'b0;
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wire cs_48 = (addr_in[7:2]==const_48[7:2])? 1'b1: 1'b0;
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wire cs_4c = (addr_in[7:2]==const_4c[7:2])? 1'b1: 1'b0;
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wire cs_4c = (addr_in[7:2]==const_4c[7:2])? 1'b1: 1'b0;
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wire cs_50 = (addr_in[7:2]==const_50[7:2])? 1'b1: 1'b0;
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wire cs_50 = (addr_in[7:2]==const_50[7:2])? 1'b1: 1'b0;
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wire cs_54 = (addr_in[7:2]==const_54[7:2])? 1'b1: 1'b0;
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wire cs_54 = (addr_in[7:2]==const_54[7:2])? 1'b1: 1'b0;
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wire cs_58 = (addr_in[7:2]==const_58[7:2])? 1'b1: 1'b0;
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wire cs_58 = (addr_in[7:2]==const_58[7:2])? 1'b1: 1'b0;
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wire cs_5c = (addr_in[7:2]==const_5c[7:2])? 1'b1: 1'b0;
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wire cs_5c = (addr_in[7:2]==const_5c[7:2])? 1'b1: 1'b0;
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wire cs_60 = (addr_in[7:2]==const_60[7:2])? 1'b1: 1'b0;
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wire cs_60 = (addr_in[7:2]==const_60[7:2])? 1'b1: 1'b0;
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wire cs_64 = (addr_in[7:2]==const_64[7:2])? 1'b1: 1'b0;
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wire cs_64 = (addr_in[7:2]==const_64[7:2])? 1'b1: 1'b0;
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wire cs_68 = (addr_in[7:2]==const_68[7:2])? 1'b1: 1'b0;
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wire cs_68 = (addr_in[7:2]==const_68[7:2])? 1'b1: 1'b0;
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wire cs_6c = (addr_in[7:2]==const_6c[7:2])? 1'b1: 1'b0;
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wire cs_6c = (addr_in[7:2]==const_6c[7:2])? 1'b1: 1'b0;
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wire cs_70 = (addr_in[7:2]==const_70[7:2])? 1'b1: 1'b0;
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wire cs_70 = (addr_in[7:2]==const_70[7:2])? 1'b1: 1'b0;
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wire cs_74 = (addr_in[7:2]==const_74[7:2])? 1'b1: 1'b0;
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wire cs_74 = (addr_in[7:2]==const_74[7:2])? 1'b1: 1'b0;
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wire cs_78 = (addr_in[7:2]==const_78[7:2])? 1'b1: 1'b0;
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wire cs_78 = (addr_in[7:2]==const_78[7:2])? 1'b1: 1'b0;
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wire cs_7c = (addr_in[7:2]==const_7c[7:2])? 1'b1: 1'b0;
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wire cs_7c = (addr_in[7:2]==const_7c[7:2])? 1'b1: 1'b0;
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reg [31:0] reg_00; // ctrl 5 bit
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reg [31:0] reg_00; // ctrl 5 bit
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reg [31:0] reg_04; // null
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reg [31:0] reg_04; // null
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reg [31:0] reg_08; // null
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reg [31:0] reg_08; // null
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reg [31:0] reg_0c; // null
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reg [31:0] reg_0c; // null
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reg [31:0] reg_10; // time 16 s
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reg [31:0] reg_10; // time 16 bit s
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reg [31:0] reg_14; // time 32 s
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reg [31:0] reg_14; // time 32 bit s
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reg [31:0] reg_18; // time 30 ns
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reg [31:0] reg_18; // time 30 bit ns
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reg [31:0] reg_1c; // time 8 nsf
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reg [31:0] reg_1c; // time 8 bit nsf
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reg [31:0] reg_20; // peri 8 ns
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reg [31:0] reg_20; // peri 8 bit ns
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reg [31:0] reg_24; // peri 32 nsf
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reg [31:0] reg_24; // peri 32 bit nsf
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reg [31:0] reg_28; // ajpr 8 ns
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reg [31:0] reg_28; // ajpr 8 bit ns
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reg [31:0] reg_2c; // ajpr 32 nsf
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reg [31:0] reg_2c; // ajpr 32 bit nsf
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reg [31:0] reg_30; // ajld 32 bit
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reg [31:0] reg_30; // ajld 32 bit
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reg [31:0] reg_34; // null
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reg [31:0] reg_34; // null
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reg [31:0] reg_38; // null
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reg [31:0] reg_38; // null
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reg [31:0] reg_3c; // null
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reg [31:0] reg_3c; // null
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reg [31:0] reg_40; // ctrl 4 bit
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reg [31:0] reg_40; // ctrl 2 bit
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reg [31:0] reg_44; // qsta 8 bit
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reg [31:0] reg_44; // qsta 8 bit
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reg [31:0] reg_48; // qsta 8 bit
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reg [31:0] reg_48; // null
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reg [31:0] reg_4c; // null
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reg [31:0] reg_4c; // null
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reg [31:0] reg_50; // null
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reg [31:0] reg_50; // rxqu 32 bit
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reg [31:0] reg_54; // null
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reg [31:0] reg_54; // rxqu 32 bit
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reg [31:0] reg_58; // null
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reg [31:0] reg_58; // rxqu 32 bit
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reg [31:0] reg_5c; // null
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reg [31:0] reg_5c; // rxqu 32 bit
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reg [31:0] reg_60; // rxqu 32 bit
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reg [31:0] reg_60; // ctrl 2 bit
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reg [31:0] reg_64; // rxqu 32 bit
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reg [31:0] reg_64; // qsta 8 bit
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reg [31:0] reg_68; // rxqu 32 bit
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reg [31:0] reg_68; // null
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reg [31:0] reg_6c; // rxqu 32 bit
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reg [31:0] reg_6c; // null
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reg [31:0] reg_70; // txqu 32 bit
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reg [31:0] reg_70; // txqu 32 bit
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reg [31:0] reg_74; // txqu 32 bit
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reg [31:0] reg_74; // txqu 32 bit
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reg [31:0] reg_78; // txqu 32 bit
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reg [31:0] reg_78; // txqu 32 bit
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reg [31:0] reg_7c; // txqu 32 bit
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reg [31:0] reg_7c; // txqu 32 bit
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// write registers
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// write registers
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always @(posedge clk) begin
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always @(posedge clk) begin
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if (wr_in && cs_00) reg_00 <= data_in;
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if (wr_in && cs_00) reg_00 <= data_in;
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if (wr_in && cs_04) reg_04 <= data_in;
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if (wr_in && cs_04) reg_04 <= data_in;
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if (wr_in && cs_08) reg_08 <= data_in;
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if (wr_in && cs_08) reg_08 <= data_in;
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if (wr_in && cs_0c) reg_0c <= data_in;
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if (wr_in && cs_0c) reg_0c <= data_in;
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if (wr_in && cs_10) reg_10 <= data_in;
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if (wr_in && cs_10) reg_10 <= data_in;
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if (wr_in && cs_14) reg_14 <= data_in;
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if (wr_in && cs_14) reg_14 <= data_in;
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if (wr_in && cs_18) reg_18 <= data_in;
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if (wr_in && cs_18) reg_18 <= data_in;
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if (wr_in && cs_1c) reg_1c <= data_in;
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if (wr_in && cs_1c) reg_1c <= data_in;
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if (wr_in && cs_20) reg_20 <= data_in;
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if (wr_in && cs_20) reg_20 <= data_in;
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if (wr_in && cs_24) reg_24 <= data_in;
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if (wr_in && cs_24) reg_24 <= data_in;
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if (wr_in && cs_28) reg_28 <= data_in;
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if (wr_in && cs_28) reg_28 <= data_in;
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if (wr_in && cs_2c) reg_2c <= data_in;
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if (wr_in && cs_2c) reg_2c <= data_in;
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if (wr_in && cs_30) reg_30 <= data_in;
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if (wr_in && cs_30) reg_30 <= data_in;
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if (wr_in && cs_34) reg_34 <= data_in;
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if (wr_in && cs_34) reg_34 <= data_in;
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if (wr_in && cs_38) reg_38 <= data_in;
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if (wr_in && cs_38) reg_38 <= data_in;
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if (wr_in && cs_3c) reg_3c <= data_in;
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if (wr_in && cs_3c) reg_3c <= data_in;
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if (wr_in && cs_40) reg_40 <= data_in;
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if (wr_in && cs_40) reg_40 <= data_in;
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if (wr_in && cs_44) reg_44 <= data_in;
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if (wr_in && cs_44) reg_44 <= data_in;
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if (wr_in && cs_48) reg_48 <= data_in;
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if (wr_in && cs_48) reg_48 <= data_in;
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if (wr_in && cs_4c) reg_4c <= data_in;
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if (wr_in && cs_4c) reg_4c <= data_in;
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if (wr_in && cs_50) reg_50 <= data_in;
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if (wr_in && cs_50) reg_50 <= data_in;
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if (wr_in && cs_54) reg_54 <= data_in;
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if (wr_in && cs_54) reg_54 <= data_in;
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if (wr_in && cs_58) reg_58 <= data_in;
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if (wr_in && cs_58) reg_58 <= data_in;
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if (wr_in && cs_5c) reg_5c <= data_in;
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if (wr_in && cs_5c) reg_5c <= data_in;
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if (wr_in && cs_60) reg_60 <= data_in;
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if (wr_in && cs_60) reg_60 <= data_in;
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if (wr_in && cs_64) reg_64 <= data_in;
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if (wr_in && cs_64) reg_64 <= data_in;
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if (wr_in && cs_68) reg_68 <= data_in;
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if (wr_in && cs_68) reg_68 <= data_in;
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if (wr_in && cs_6c) reg_6c <= data_in;
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if (wr_in && cs_6c) reg_6c <= data_in;
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if (wr_in && cs_70) reg_70 <= data_in;
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if (wr_in && cs_70) reg_70 <= data_in;
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if (wr_in && cs_74) reg_74 <= data_in;
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if (wr_in && cs_74) reg_74 <= data_in;
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if (wr_in && cs_78) reg_78 <= data_in;
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if (wr_in && cs_78) reg_78 <= data_in;
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if (wr_in && cs_7c) reg_7c <= data_in;
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if (wr_in && cs_7c) reg_7c <= data_in;
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end
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end
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// read registers
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// read registers
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reg [37:0] time_reg_ns_int;
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reg [37:0] time_reg_ns_int;
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reg [47:0] time_reg_sec_int;
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reg [47:0] time_reg_sec_int;
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reg [127:0] rx_q_data_int;
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reg [127:0] rx_q_data_int;
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reg [ 7:0] rx_q_stat_int;
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reg [ 7:0] rx_q_stat_int;
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reg [127:0] tx_q_data_int;
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reg [127:0] tx_q_data_int;
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reg [ 7:0] tx_q_stat_int;
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reg [ 7:0] tx_q_stat_int;
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reg time_ok;
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reg time_ok;
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reg rxqu_ok;
|
reg rxqu_ok;
|
reg txqu_ok;
|
reg txqu_ok;
|
|
|
reg [31:0] data_out_reg;
|
reg [31:0] data_out_reg;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
// register mapping: RTC
|
// register mapping: RTC
|
if (rd_in && cs_00) data_out_reg <= {reg_00[31: 2], adj_ld_done_in, time_ok};
|
if (rd_in && cs_00) data_out_reg <= {reg_00[31: 2], adj_ld_done_in, time_ok};
|
if (rd_in && cs_04) data_out_reg <= reg_04;
|
if (rd_in && cs_04) data_out_reg <= reg_04;
|
if (rd_in && cs_08) data_out_reg <= reg_08;
|
if (rd_in && cs_08) data_out_reg <= reg_08;
|
if (rd_in && cs_0c) data_out_reg <= reg_0c;
|
if (rd_in && cs_0c) data_out_reg <= reg_0c;
|
if (rd_in && cs_10) data_out_reg <= {16'd0, time_reg_sec_int[47:32]};
|
if (rd_in && cs_10) data_out_reg <= {16'd0, time_reg_sec_int[47:32]};
|
if (rd_in && cs_14) data_out_reg <= time_reg_sec_int[31: 0] ;
|
if (rd_in && cs_14) data_out_reg <= time_reg_sec_int[31: 0] ;
|
if (rd_in && cs_18) data_out_reg <= { 2'd0, time_reg_ns_int [37: 8]};
|
if (rd_in && cs_18) data_out_reg <= { 2'd0, time_reg_ns_int [37: 8]};
|
if (rd_in && cs_1c) data_out_reg <= {24'd0, time_reg_ns_int [ 7: 0]};
|
if (rd_in && cs_1c) data_out_reg <= {24'd0, time_reg_ns_int [ 7: 0]};
|
if (rd_in && cs_20) data_out_reg <= reg_20;
|
if (rd_in && cs_20) data_out_reg <= reg_20;
|
if (rd_in && cs_24) data_out_reg <= reg_24;
|
if (rd_in && cs_24) data_out_reg <= reg_24;
|
if (rd_in && cs_28) data_out_reg <= reg_28;
|
if (rd_in && cs_28) data_out_reg <= reg_28;
|
if (rd_in && cs_2c) data_out_reg <= reg_2c;
|
if (rd_in && cs_2c) data_out_reg <= reg_2c;
|
if (rd_in && cs_30) data_out_reg <= reg_30;
|
if (rd_in && cs_30) data_out_reg <= reg_30;
|
if (rd_in && cs_34) data_out_reg <= reg_34;
|
if (rd_in && cs_34) data_out_reg <= reg_34;
|
if (rd_in && cs_38) data_out_reg <= reg_38;
|
if (rd_in && cs_38) data_out_reg <= reg_38;
|
if (rd_in && cs_3c) data_out_reg <= reg_3c;
|
if (rd_in && cs_3c) data_out_reg <= reg_3c;
|
// register mapping: TSU
|
// register mapping: TSU RX
|
if (rd_in && cs_40) data_out_reg <= {reg_40[31: 4], reg_40[ 3], rxqu_ok, reg_40[ 1], txqu_ok};
|
if (rd_in && cs_40) data_out_reg <= {reg_40[31: 2], reg_40[ 1], rxqu_ok};
|
if (rd_in && cs_44) data_out_reg <= {24'd0, rx_q_stat_int[ 7: 0]};
|
if (rd_in && cs_44) data_out_reg <= {24'd0, rx_q_stat_int[ 7: 0]};
|
if (rd_in && cs_48) data_out_reg <= {24'd0, tx_q_stat_int[ 7: 0]};
|
if (rd_in && cs_48) data_out_reg <= reg_48;
|
if (rd_in && cs_4c) data_out_reg <= reg_4c;
|
if (rd_in && cs_4c) data_out_reg <= reg_4c;
|
if (rd_in && cs_50) data_out_reg <= reg_50;
|
if (rd_in && cs_50) data_out_reg <= rx_q_data_int[127: 96];
|
if (rd_in && cs_54) data_out_reg <= reg_54;
|
if (rd_in && cs_54) data_out_reg <= rx_q_data_int[ 95: 64];
|
if (rd_in && cs_58) data_out_reg <= reg_58;
|
if (rd_in && cs_58) data_out_reg <= rx_q_data_int[ 63: 32];
|
if (rd_in && cs_5c) data_out_reg <= reg_5c;
|
if (rd_in && cs_5c) data_out_reg <= rx_q_data_int[ 31: 0];
|
if (rd_in && cs_60) data_out_reg <= rx_q_data_int[127: 96];
|
// register mapping: TSU TX
|
if (rd_in && cs_64) data_out_reg <= rx_q_data_int[ 95: 64];
|
if (rd_in && cs_60) data_out_reg <= {reg_60[31: 2], reg_60[ 1], txqu_ok};
|
if (rd_in && cs_68) data_out_reg <= rx_q_data_int[ 63: 32];
|
if (rd_in && cs_64) data_out_reg <= {24'd0, tx_q_stat_int[ 7: 0]};
|
if (rd_in && cs_6c) data_out_reg <= rx_q_data_int[ 31: 0];
|
if (rd_in && cs_68) data_out_reg <= reg_68;
|
|
if (rd_in && cs_6c) data_out_reg <= reg_6c;
|
if (rd_in && cs_70) data_out_reg <= tx_q_data_int[127: 96];
|
if (rd_in && cs_70) data_out_reg <= tx_q_data_int[127: 96];
|
if (rd_in && cs_74) data_out_reg <= tx_q_data_int[ 95: 64];
|
if (rd_in && cs_74) data_out_reg <= tx_q_data_int[ 95: 64];
|
if (rd_in && cs_78) data_out_reg <= tx_q_data_int[ 63: 32];
|
if (rd_in && cs_78) data_out_reg <= tx_q_data_int[ 63: 32];
|
if (rd_in && cs_7c) data_out_reg <= tx_q_data_int[ 31: 0];
|
if (rd_in && cs_7c) data_out_reg <= tx_q_data_int[ 31: 0];
|
end
|
end
|
assign data_out = data_out_reg;
|
assign data_out = data_out_reg;
|
|
|
// register mapping: RTC
|
// register mapping: RTC
|
//wire = reg_00[ 7];
|
//wire = reg_00[ 7];
|
//wire = reg_00[ 6];
|
//wire = reg_00[ 6];
|
//wire = reg_00[ 5];
|
//wire = reg_00[ 5];
|
wire rtc_rst = reg_00[ 4];
|
wire rtc_rst = reg_00[ 4];
|
wire time_ld = reg_00[ 3];
|
wire time_ld = reg_00[ 3];
|
wire perd_ld = reg_00[ 2];
|
wire perd_ld = reg_00[ 2];
|
wire adjt_ld = reg_00[ 1];
|
wire adjt_ld = reg_00[ 1];
|
wire time_rd = reg_00[ 0];
|
wire time_rd = reg_00[ 0];
|
assign time_reg_sec_out [47:0] = {reg_10[15: 0], reg_14[31: 0]};
|
assign time_reg_sec_out [47:0] = {reg_10[15: 0], reg_14[31: 0]};
|
assign time_reg_ns_out [37:0] = {reg_18[29: 0], reg_1c[ 7: 0]};
|
assign time_reg_ns_out [37:0] = {reg_18[29: 0], reg_1c[ 7: 0]};
|
assign period_out [39:0] = {reg_20[ 7: 0], reg_24[31: 0]};
|
assign period_out [39:0] = {reg_20[ 7: 0], reg_24[31: 0]};
|
assign period_adj_out [39:0] = {reg_28[ 7: 0], reg_2c[31: 0]};
|
assign period_adj_out [39:0] = {reg_28[ 7: 0], reg_2c[31: 0]};
|
assign adj_ld_data_out [31:0] = reg_30[31: 0];
|
assign adj_ld_data_out [31:0] = reg_30[31: 0];
|
|
|
// register mapping: TSU
|
// register mapping: TSU RX
|
//wire = reg_40[ 7];
|
//wire = reg_40[ 7];
|
//wire = reg_40[ 6];
|
//wire = reg_40[ 6];
|
//wire = reg_40[ 5];
|
//wire = reg_40[ 5];
|
//wire = reg_40[ 4];
|
//wire = reg_40[ 4];
|
wire rxq_rst = reg_40[ 3];
|
//wire = reg_40[ 3];
|
wire rxqu_rd = reg_40[ 2];
|
//wire = reg_40[ 2];
|
wire txq_rst = reg_40[ 1];
|
wire rxq_rst = reg_40[ 1];
|
wire txqu_rd = reg_40[ 0];
|
wire rxqu_rd = reg_40[ 0];
|
|
|
|
// register mapping: TSU TX
|
|
//wire = reg_60[ 7];
|
|
//wire = reg_60[ 6];
|
|
//wire = reg_60[ 5];
|
|
//wire = reg_60[ 4];
|
|
//wire = reg_60[ 3];
|
|
//wire = reg_60[ 2];
|
|
wire txq_rst = reg_60[ 1];
|
|
wire txqu_rd = reg_60[ 0];
|
|
// TODO: add configurable PTP Event msgID value mask
|
// TODO: add configurable VLANTPID values
|
// TODO: add configurable VLANTPID values
|
|
|
// real time clock
|
// real time clock
|
reg rtc_rst_s1, rtc_rst_s2, rtc_rst_s3;
|
reg rtc_rst_s1, rtc_rst_s2, rtc_rst_s3;
|
assign rtc_rst_out = rtc_rst_s2 && !rtc_rst_s3;
|
assign rtc_rst_out = rtc_rst_s2 && !rtc_rst_s3;
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
rtc_rst_s1 <= rtc_rst;
|
rtc_rst_s1 <= rtc_rst;
|
rtc_rst_s2 <= rtc_rst_s1;
|
rtc_rst_s2 <= rtc_rst_s1;
|
rtc_rst_s3 <= rtc_rst_s2;
|
rtc_rst_s3 <= rtc_rst_s2;
|
end
|
end
|
|
|
reg time_ld_s1, time_ld_s2, time_ld_s3;
|
reg time_ld_s1, time_ld_s2, time_ld_s3;
|
assign time_ld_out = time_ld_s2 && !time_ld_s3;
|
assign time_ld_out = time_ld_s2 && !time_ld_s3;
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
time_ld_s1 <= time_ld;
|
time_ld_s1 <= time_ld;
|
time_ld_s2 <= time_ld_s1;
|
time_ld_s2 <= time_ld_s1;
|
time_ld_s3 <= time_ld_s2;
|
time_ld_s3 <= time_ld_s2;
|
end
|
end
|
|
|
reg perd_ld_s1, perd_ld_s2, perd_ld_s3;
|
reg perd_ld_s1, perd_ld_s2, perd_ld_s3;
|
assign period_ld_out = perd_ld_s2 && !perd_ld_s3;
|
assign period_ld_out = perd_ld_s2 && !perd_ld_s3;
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
perd_ld_s1 <= perd_ld;
|
perd_ld_s1 <= perd_ld;
|
perd_ld_s2 <= perd_ld_s1;
|
perd_ld_s2 <= perd_ld_s1;
|
perd_ld_s3 <= perd_ld_s2;
|
perd_ld_s3 <= perd_ld_s2;
|
end
|
end
|
|
|
reg adjt_ld_s1, adjt_ld_s2, adjt_ld_s3;
|
reg adjt_ld_s1, adjt_ld_s2, adjt_ld_s3;
|
assign adj_ld_out = adjt_ld_s2 && !adjt_ld_s3;
|
assign adj_ld_out = adjt_ld_s2 && !adjt_ld_s3;
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
adjt_ld_s1 <= adjt_ld;
|
adjt_ld_s1 <= adjt_ld;
|
adjt_ld_s2 <= adjt_ld_s1;
|
adjt_ld_s2 <= adjt_ld_s1;
|
adjt_ld_s3 <= adjt_ld_s2;
|
adjt_ld_s3 <= adjt_ld_s2;
|
end
|
end
|
|
|
// RTC time read CDC hand-shaking
|
// RTC time read CDC hand-shaking
|
reg time_rd_s1, time_rd_s2, time_rd_s3;
|
reg time_rd_s1, time_rd_s2, time_rd_s3;
|
wire time_rd_ack = time_rd_s2 && !time_rd_s3;
|
wire time_rd_ack = time_rd_s2 && !time_rd_s3;
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
time_rd_s1 <= time_rd;
|
time_rd_s1 <= time_rd;
|
time_rd_s2 <= time_rd_s1;
|
time_rd_s2 <= time_rd_s1;
|
time_rd_s3 <= time_rd_s2;
|
time_rd_s3 <= time_rd_s2;
|
end
|
end
|
|
|
always @(posedge rtc_clk_in) begin
|
always @(posedge rtc_clk_in) begin
|
if (time_rd_ack) begin
|
if (time_rd_ack) begin
|
time_reg_ns_int <= time_reg_ns_in;
|
time_reg_ns_int <= time_reg_ns_in;
|
time_reg_sec_int <= time_reg_sec_in;
|
time_reg_sec_int <= time_reg_sec_in;
|
end
|
end
|
end
|
end
|
|
|
reg time_rd_d1;
|
reg time_rd_d1;
|
wire time_rd_req = time_rd && !time_rd_d1;
|
wire time_rd_req = time_rd && !time_rd_d1;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
time_rd_d1 <= time_rd;
|
time_rd_d1 <= time_rd;
|
end
|
end
|
|
|
always @(posedge clk or posedge time_rd_ack) begin
|
always @(posedge clk or posedge time_rd_ack) begin
|
if (time_rd_ack)
|
if (time_rd_ack)
|
time_ok <= 1'b1;
|
time_ok <= 1'b1;
|
else if (time_rd_req)
|
else if (time_rd_req)
|
time_ok <= 1'b0;
|
time_ok <= 1'b0;
|
end
|
end
|
|
|
// rx time stamp queue
|
// rx time stamp queue
|
assign rx_q_rd_clk_out = clk;
|
assign rx_q_rd_clk_out = clk;
|
|
|
reg rxq_rst_d1, rxq_rst_d2, rxq_rst_d3;
|
reg rxq_rst_d1, rxq_rst_d2, rxq_rst_d3;
|
assign rx_q_rst_out = rxq_rst_d2 && !rxq_rst_d3;
|
assign rx_q_rst_out = rxq_rst_d2 && !rxq_rst_d3;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
rxq_rst_d1 <= rxq_rst;
|
rxq_rst_d1 <= rxq_rst;
|
rxq_rst_d2 <= rxq_rst_d1;
|
rxq_rst_d2 <= rxq_rst_d1;
|
rxq_rst_d3 <= rxq_rst_d2;
|
rxq_rst_d3 <= rxq_rst_d2;
|
end
|
end
|
|
|
reg rxqu_rd_d1, rxqu_rd_d2, rxqu_rd_d3, rxqu_rd_d4, rxqu_rd_d5;
|
reg rxqu_rd_d1, rxqu_rd_d2, rxqu_rd_d3, rxqu_rd_d4, rxqu_rd_d5;
|
assign rx_q_rd_en_out = rxqu_rd_d2 && !rxqu_rd_d3;
|
assign rx_q_rd_en_out = rxqu_rd_d2 && !rxqu_rd_d3;
|
wire rx_q_rd_req = rxqu_rd_d2 && !rxqu_rd_d3;
|
wire rx_q_rd_req = rxqu_rd_d2 && !rxqu_rd_d3;
|
wire rx_q_rd_ack = rxqu_rd_d4 && !rxqu_rd_d5;
|
wire rx_q_rd_ack = rxqu_rd_d4 && !rxqu_rd_d5;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
rxqu_rd_d1 <= rxqu_rd;
|
rxqu_rd_d1 <= rxqu_rd;
|
rxqu_rd_d2 <= rxqu_rd_d1;
|
rxqu_rd_d2 <= rxqu_rd_d1;
|
rxqu_rd_d3 <= rxqu_rd_d2;
|
rxqu_rd_d3 <= rxqu_rd_d2;
|
rxqu_rd_d4 <= rxqu_rd_d3;
|
rxqu_rd_d4 <= rxqu_rd_d3;
|
rxqu_rd_d5 <= rxqu_rd_d4;
|
rxqu_rd_d5 <= rxqu_rd_d4;
|
end
|
end
|
|
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
if (rx_q_rd_ack)
|
if (rx_q_rd_ack)
|
rxqu_ok <= 1'b1;
|
rxqu_ok <= 1'b1;
|
else if (rx_q_rd_req)
|
else if (rx_q_rd_req)
|
rxqu_ok <= 1'b0;
|
rxqu_ok <= 1'b0;
|
end
|
end
|
|
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
rx_q_data_int <= rx_q_data_in;
|
rx_q_data_int <= rx_q_data_in;
|
rx_q_stat_int <= rx_q_stat_in;
|
rx_q_stat_int <= rx_q_stat_in;
|
end
|
end
|
|
|
// tx time stamp queue
|
// tx time stamp queue
|
assign tx_q_rd_clk_out = clk;
|
assign tx_q_rd_clk_out = clk;
|
|
|
reg txq_rst_d1, txq_rst_d2, txq_rst_d3;
|
reg txq_rst_d1, txq_rst_d2, txq_rst_d3;
|
assign tx_q_rst_out = txq_rst_d2 && !txq_rst_d3;
|
assign tx_q_rst_out = txq_rst_d2 && !txq_rst_d3;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
txq_rst_d1 <= txq_rst;
|
txq_rst_d1 <= txq_rst;
|
txq_rst_d2 <= txq_rst_d1;
|
txq_rst_d2 <= txq_rst_d1;
|
txq_rst_d3 <= txq_rst_d2;
|
txq_rst_d3 <= txq_rst_d2;
|
end
|
end
|
|
|
reg txqu_rd_d1, txqu_rd_d2, txqu_rd_d3, txqu_rd_d4, txqu_rd_d5;
|
reg txqu_rd_d1, txqu_rd_d2, txqu_rd_d3, txqu_rd_d4, txqu_rd_d5;
|
assign tx_q_rd_en_out = txqu_rd_d2 && !txqu_rd_d3;
|
assign tx_q_rd_en_out = txqu_rd_d2 && !txqu_rd_d3;
|
wire tx_q_rd_req = txqu_rd_d2 && !txqu_rd_d3;
|
wire tx_q_rd_req = txqu_rd_d2 && !txqu_rd_d3;
|
wire tx_q_rd_ack = txqu_rd_d4 && !txqu_rd_d5;
|
wire tx_q_rd_ack = txqu_rd_d4 && !txqu_rd_d5;
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
txqu_rd_d1 <= txqu_rd;
|
txqu_rd_d1 <= txqu_rd;
|
txqu_rd_d2 <= txqu_rd_d1;
|
txqu_rd_d2 <= txqu_rd_d1;
|
txqu_rd_d3 <= txqu_rd_d2;
|
txqu_rd_d3 <= txqu_rd_d2;
|
txqu_rd_d4 <= txqu_rd_d3;
|
txqu_rd_d4 <= txqu_rd_d3;
|
txqu_rd_d5 <= txqu_rd_d4;
|
txqu_rd_d5 <= txqu_rd_d4;
|
end
|
end
|
|
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
if (tx_q_rd_ack)
|
if (tx_q_rd_ack)
|
txqu_ok <= 1'b1;
|
txqu_ok <= 1'b1;
|
else if (tx_q_rd_req)
|
else if (tx_q_rd_req)
|
txqu_ok <= 1'b0;
|
txqu_ok <= 1'b0;
|
end
|
end
|
|
|
always @(posedge clk) begin
|
always @(posedge clk) begin
|
tx_q_data_int <= tx_q_data_in;
|
tx_q_data_int <= tx_q_data_in;
|
tx_q_stat_int <= tx_q_stat_in;
|
tx_q_stat_int <= tx_q_stat_in;
|
end
|
end
|
|
|
endmodule
|
endmodule
|
|
|