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/*
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* $ptp_drv_bfm.v
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*
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* Copyright (c) 2012, BBY&HW. All rights reserved.
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*
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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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* 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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*
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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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* 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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*
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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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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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`timescale 1ns/1ns
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`timescale 1ns/1ns
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module ptp_drv_bfm_sv
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module ptp_drv_bfm_sv
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(
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(
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input up_clk,
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input up_clk,
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output up_wr,
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output up_wr,
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output up_rd,
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output up_rd,
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output [ 7:0] up_addr,
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output [ 7:0] up_addr,
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output [31:0] up_data_wr,
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output [31:0] up_data_wr,
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input [31:0] up_data_rd
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input [31:0] up_data_rd
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);
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);
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import "DPI-C" context task ptp_drv_bfm_c
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import "DPI-C" context task ptp_drv_bfm_c
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(
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(
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input real fw_delay
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input real fw_delay
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);
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);
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reg [ 7:0] up_addr_o;
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reg [ 7:0] up_addr_o;
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reg [31:0] up_data_o;
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reg [31:0] up_data_o;
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wire [31:0] up_data_i;
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wire [31:0] up_data_i;
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reg up_wr_o;
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reg up_wr_o;
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reg up_rd_o;
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reg up_rd_o;
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export "DPI-C" task cpu_wr;
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export "DPI-C" task cpu_wr;
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task cpu_wr(input int addr, input int data);
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task cpu_wr(input int addr, input int data);
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integer i;
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integer i;
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//$display("wr %08x %08x", addr, data);
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//$display("wr %08x %08x", addr, data);
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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up_addr_o = addr;
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up_addr_o = addr;
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up_data_o = data;
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up_data_o = data;
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up_wr_o = 1'b1;
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up_wr_o = 1'b1;
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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up_addr_o = addr;
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up_addr_o = addr;
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up_data_o = data;
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up_data_o = data;
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up_wr_o = 1'b0;
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up_wr_o = 1'b0;
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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endtask
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endtask
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export "DPI-C" task cpu_rd;
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export "DPI-C" task cpu_rd;
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task cpu_rd(input int addr, output int data);
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task cpu_rd(input int addr, output int data);
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integer i;
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integer i;
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for (i=0; i<2; i=i+1) @(posedge up_clk);
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for (i=0; i<2; i=i+1) @(posedge up_clk);
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up_addr_o = addr;
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up_addr_o = addr;
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up_rd_o = 1'b1;
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up_rd_o = 1'b1;
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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for (i=0; i<1; i=i+1) @(posedge up_clk);
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up_addr_o = addr;
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up_addr_o = addr;
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up_rd_o = 1'b0;
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up_rd_o = 1'b0;
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for (i=0; i<2; i=i+1) @(posedge up_clk);
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for (i=0; i<2; i=i+1) @(posedge up_clk);
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data = up_data_rd;
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data = up_data_rd;
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//$display("rd %08x %08x", addr, data);
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//$display("rd %08x %08x", addr, data);
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endtask
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endtask
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export "DPI-C" task cpu_hd;
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export "DPI-C" task cpu_hd;
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task cpu_hd(input int t);
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task cpu_hd(input int t);
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integer i;
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integer i;
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//$display("#%d",t);
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//$display("#%d",t);
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for (i=0; i<=t; i=i+1) @(posedge up_clk);
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for (i=0; i<=t; i=i+1) @(posedge up_clk);
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endtask
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endtask
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assign up_wr = up_wr_o;
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assign up_wr = up_wr_o;
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assign up_rd = up_rd_o;
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assign up_rd = up_rd_o;
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assign up_addr = up_addr_o;
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assign up_addr = up_addr_o;
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assign up_data_wr = up_data_o;
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assign up_data_wr = up_data_o;
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assign up_data_i = up_data_rd;
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assign up_data_i = up_data_rd;
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// start cpu bfm C model
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// start cpu bfm C model
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reg up_start;
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reg up_start;
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initial begin
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initial begin
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up_wr_o = 1'b0;
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up_wr_o = 1'b0;
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up_rd_o = 1'b0;
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up_rd_o = 1'b0;
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up_addr_o = 'd0;
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up_addr_o = 'd0;
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up_data_o = 'd0;
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up_data_o = 'd0;
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@(posedge up_start);
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@(posedge up_start);
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#100 ptp_drv_bfm_c(5);
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#100 ptp_drv_bfm_c(5);
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end
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end
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endmodule
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endmodule
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