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55 lines
2.1 KiB
VHDL
55 lines
2.1 KiB
VHDL
-- $Id: sys_conf_sim.vhd 984 2018-01-02 20:56:27Z mueller $
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--
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-- Copyright 2016- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- Software Foundation, either version 3, or (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful, but
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-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for complete details.
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--
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------------------------------------------------------------------------------
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-- Package Name: sys_conf
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-- Description: Definitions for tb_basys3_dummy (for simulation)
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--
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-- Dependencies: -
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-- Tool versions: viv 2016.2; ghdl 0.33
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-- Revision History:
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-- Date Rev Version Comment
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-- 2016-10-01 810 1.0 Initial version (cloned from nexys4)
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------------------------------------------------------------------------------
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library ieee;
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use ieee.std_logic_1164.all;
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use work.slvtypes.all;
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package sys_conf is
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constant sys_conf_clksys_vcodivide : positive := 1;
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constant sys_conf_clksys_vcomultiply : positive := 8; -- vco 800 MHz
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constant sys_conf_clksys_outdivide : positive := 10; -- sys 80 MHz
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constant sys_conf_clksys_gentype : string := "MMCM";
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constant sys_conf_clkser_vcodivide : positive := 1;
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constant sys_conf_clkser_vcomultiply : positive := 12; -- vco 1200 MHz
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constant sys_conf_clkser_outdivide : positive := 10; -- sys 120 MHz
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constant sys_conf_clkser_gentype : string := "MMCM";
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-- derived constants
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constant sys_conf_clksys : integer :=
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((100000000/sys_conf_clksys_vcodivide)*sys_conf_clksys_vcomultiply) /
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sys_conf_clksys_outdivide;
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constant sys_conf_clksys_mhz : integer := sys_conf_clksys/1000000;
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constant sys_conf_clkser : integer :=
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((100000000/sys_conf_clkser_vcodivide)*sys_conf_clkser_vcomultiply) /
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sys_conf_clkser_outdivide;
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constant sys_conf_clkser_mhz : integer := sys_conf_clkser/1000000;
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end package sys_conf;
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