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-- $Id: sys_conf_sim.vhd 509 2013-04-21 20:46:20Z mueller $
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-- $Id: sys_conf_sim.vhd 538 2013-10-06 17:21:25Z mueller $
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--
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--
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-- Copyright 2011-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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-- Copyright 2011-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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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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-- 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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-- the terms of the GNU General Public License as published by the Free
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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-- Package Name: sys_conf
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-- Package Name: sys_conf
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-- Description: Definitions for sys_w11a_n3 (for simulation)
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-- Description: Definitions for sys_w11a_n3 (for simulation)
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--
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--
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-- Dependencies: -
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-- Dependencies: -
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-- Tool versions: xst 13.1; ghdl 0.29
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-- Tool versions: xst 13.1, 14.6; ghdl 0.29
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-- Revision History:
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-- Revision History:
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-- Date Rev Version Comment
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-- Date Rev Version Comment
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-- 2013-10-06 538 1.3 pll support, use clksys_vcodivide ect
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-- 2013-04-21 509 1.2 add fx2 settings
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-- 2013-04-21 509 1.2 add fx2 settings
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-- 2011-11-25 432 1.0 Initial version (cloned from _n3)
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-- 2011-11-25 432 1.0 Initial version (cloned from _n3)
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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library ieee;
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library ieee;
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use work.slvtypes.all;
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use work.slvtypes.all;
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package sys_conf is
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package sys_conf is
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constant sys_conf_clkfx_divide : positive := 1;
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constant sys_conf_clksys_vcodivide : positive := 25;
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constant sys_conf_clkfx_multiply : positive := 1; -- no dcm in sim...
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constant sys_conf_clksys_vcomultiply : positive := 18; -- dcm 72 MHz
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-- constant sys_conf_clkfx_divide : positive := 5;
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constant sys_conf_clksys_outdivide : positive := 1; -- sys 72 MHz
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-- constant sys_conf_clkfx_multiply : positive := 4; -- ==> 80 MHz
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constant sys_conf_clksys_gentype : string := "DCM";
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constant sys_conf_memctl_read0delay : positive := 6; -- for 100 MHz
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constant sys_conf_memctl_read0delay : positive := 4; -- for <75 MHz
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constant sys_conf_memctl_read1delay : positive := sys_conf_memctl_read0delay;
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constant sys_conf_memctl_read1delay : positive := sys_conf_memctl_read0delay;
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constant sys_conf_memctl_writedelay : positive := 7;
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constant sys_conf_memctl_writedelay : positive := 5;
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constant sys_conf_ser2rri_cdinit : integer := 1-1; -- 1 cycle/bit in sim
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constant sys_conf_ser2rri_cdinit : integer := 1-1; -- 1 cycle/bit in sim
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-- fx2 settings: petowidth=10 -> 2^10 30 MHz clocks -> ~33 usec
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-- fx2 settings: petowidth=10 -> 2^10 30 MHz clocks -> ~33 usec
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constant sys_conf_fx2_petowidth : positive := 10;
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constant sys_conf_fx2_petowidth : positive := 10;
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constant sys_conf_cache_fmiss : slbit := '0'; -- cache enabled
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constant sys_conf_cache_fmiss : slbit := '0'; -- cache enabled
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-- derived constants
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-- derived constants
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constant sys_conf_clksys : integer :=
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constant sys_conf_clksys : integer :=
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(100000000/sys_conf_clkfx_divide)*sys_conf_clkfx_multiply;
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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_clksys_mhz : integer := sys_conf_clksys/1000000;
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end package sys_conf;
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end package sys_conf;
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-- Note: mem_losize holds 16 MSB of the PA of the addressable memory
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-- Note: mem_losize holds 16 MSB of the PA of the addressable memory
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