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[/] [xulalx25soc/] [trunk/] [rtl/] [toplevel.v] - Diff between revs 48 and 71

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Rev 48 Rev 71
Line 1... Line 1...
`timescale 10ns / 100ps
`timescale 10ns / 100ps
///////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Filename:    toplevel.v
// Filename:    toplevel.v
//
//
// Project:     XuLA2 board
// Project:     XuLA2-LX25 SoC based upon the ZipCPU
//
//
// Purpose:     This is the _top_level_ verilog file for the XuLA2-LX25
// Purpose:     This is the _top_level_ verilog file for the XuLA2-LX25
//              SoC project.  Everything else fits underneath here (logically).
//              SoC project.  Everything else fits underneath here (logically).
//      This is also the only file that will not go through Verilator.  Specific
//      This is also the only file that will not go through Verilator.  Specific
//      to this file are the Xilinx primitives necessary to build for the
//      to this file are the Xilinx primitives necessary to build for the
//      XuLA2 board--with the only exception being the ICAPE_SPARTAN6 interface.
//      XuLA2 board--with the only exception being the ICAPE_SPARTAN6 interface.
//
//
//
 
// Creator:     Dan Gisselquist, Ph.D.
// Creator:     Dan Gisselquist, Ph.D.
//              Gisselquist Technology, LLC
//              Gisselquist Technology, LLC
//
//
///////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Copyright (C) 2015, Gisselquist Technology, LLC
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
//
//
// This program is free software (firmware): you can redistribute it and/or
// This program is free software (firmware): you can redistribute it and/or
// modify it under the terms of  the GNU General Public License as published
// modify it under the terms of  the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or (at
// by the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
// your option) any later version.
Line 27... Line 26...
// This program is distributed in the hope that it will be useful, but WITHOUT
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
// for more details.
//
//
 
// You should have received a copy of the GNU General Public License along
 
// with this program.  (It's in the $(ROOT)/doc directory, run make with no
 
// target there if the PDF file isn't present.)  If not, see
 
// <http://www.gnu.org/licenses/> for a copy.
 
//
// License:     GPL, v3, as defined and found on www.gnu.org,
// License:     GPL, v3, as defined and found on www.gnu.org,
//              http://www.gnu.org/licenses/gpl.html
//              http://www.gnu.org/licenses/gpl.html
//
//
//
//
///////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
//
//
// `define      HELLO_WORLD
// `define      HELLO_WORLD
// `define      ECHO_TEST
// `define      ECHO_TEST
//
//
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        DCM_SP #(
        DCM_SP #(
                .CLKDV_DIVIDE(2.0),
                .CLKDV_DIVIDE(2.0),
                .CLKFX_DIVIDE(3),
                .CLKFX_DIVIDE(3),
                .CLKFX_MULTIPLY(20),
                .CLKFX_MULTIPLY(20),
                .CLKIN_DIVIDE_BY_2("FALSE"),
                .CLKIN_DIVIDE_BY_2("FALSE"),
                .CLKIN_PERIOD(83.333333),
                .CLKIN_PERIOD(82),
                .CLKOUT_PHASE_SHIFT("NONE"),
                .CLKOUT_PHASE_SHIFT("NONE"),
                .CLK_FEEDBACK("1X"),
                .CLK_FEEDBACK("1X"),
                .DESKEW_ADJUST("SYSTEM_SYNCHRONOUS"),
                .DESKEW_ADJUST("SYSTEM_SYNCHRONOUS"),
                .DLL_FREQUENCY_MODE("LOW"),
                .DLL_FREQUENCY_MODE("LOW"),
                .DUTY_CYCLE_CORRECTION("TRUE"),
                .DUTY_CYCLE_CORRECTION("TRUE"),

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