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-- $Id: sys_conf.vhd 649 2015-02-21 21:10:16Z mueller $
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--
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-- Copyright 2012-2013 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 2, 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 sys_tst_fx2loop_ic3_n3 (for synthesis)
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--
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-- Dependencies: -
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-- Tool versions: xst 13.3-14.7; ghdl 0.29-0.31
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-- Revision History:
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-- Date Rev Version Comment
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-- 2013-10-06 538 1.2 pll support, use clksys_vcodivide ect
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-- 2012-04-25 510 1.1 use 3/2 clock-> 150 MHz sysclk
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-- 2012-04-09 461 1.0 Initial version
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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 := 2;
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constant sys_conf_clksys_vcomultiply : positive := 3; -- dcm 150 MHz
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constant sys_conf_clksys_outdivide : positive := 1; -- sys 150 MHz
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constant sys_conf_clksys_gentype : string := "DCM";
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constant sys_conf_fx2_type : string := "ic3";
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-- dummy values defs for generic parameters of as controller
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constant sys_conf_fx2_rdpwldelay : positive := 1;
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constant sys_conf_fx2_rdpwhdelay : positive := 1;
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constant sys_conf_fx2_wrpwldelay : positive := 1;
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constant sys_conf_fx2_wrpwhdelay : positive := 1;
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constant sys_conf_fx2_flagdelay : positive := 1;
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-- pktend timer setting
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-- petowidth=10 -> 2^10 30 MHz clocks -> ~33 usec (normal operation)
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constant sys_conf_fx2_petowidth : positive := 10;
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constant sys_conf_fx2_ccwidth : positive := 5;
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constant sys_conf_hio_debounce : boolean := true; -- instantiate debouncers
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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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end package sys_conf;
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