| 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
|
//
|
//
|
| Line 82... |
Line 86... |
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"),
|
