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-- $Id: sys_conf_sim.vhd 641 2015-02-01 22:12:15Z mueller $

--

-- Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

--

-- This program is free software; you may redistribute and/or modify it under

-- the terms of the GNU General Public License as published by the Free

-- Software Foundation, either version 2, or at your option any later version.

--

-- This program 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 General Public License

-- for complete details.

--

------------------------------------------------------------------------------

-- Package Name:   sys_conf

-- Description:    Definitions for tb_nexys4_dummy (for simulation)

--

-- Dependencies:   -

-- Tool versions:  ise 14.5-14.7; viv 2014.4; ghdl 0.29-0.31

-- Revision History: 

-- Date         Rev Version  Comment

-- 2012-09-21   534   1.0    Initial version

------------------------------------------------------------------------------

library ieee;

use ieee.std_logic_1164.all;

use work.slvtypes.all;

package sys_conf is

  constant sys_conf_clksys_vcodivide   : positive :=   1;

  constant sys_conf_clksys_vcomultiply : positive :=   8;   -- vco  800 MHz

  constant sys_conf_clksys_outdivide   : positive :=  10;   -- sys   80 MHz

  constant sys_conf_clksys_gentype     : string   := "MMCM";

  constant sys_conf_clkser_vcodivide   : positive :=   1;

  constant sys_conf_clkser_vcomultiply : positive :=  12;   -- vco 1200 MHz

  constant sys_conf_clkser_outdivide   : positive :=  10;   -- sys  120 MHz

  constant sys_conf_clkser_gentype     : string   := "MMCM";

  -- derived constants

  constant sys_conf_clksys : integer :=

    ((100000000/sys_conf_clksys_vcodivide)*sys_conf_clksys_vcomultiply) /

    sys_conf_clksys_outdivide;

  constant sys_conf_clksys_mhz : integer := sys_conf_clksys/1000000;

  constant sys_conf_clkser : integer :=

    ((100000000/sys_conf_clkser_vcodivide)*sys_conf_clkser_vcomultiply) /

    sys_conf_clkser_outdivide;

  constant sys_conf_clkser_mhz : integer := sys_conf_clkser/1000000;

end package sys_conf;