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cb7b906089
- sys_tst_sram_arty: add system and tb - sramif_mig_arty: add SRAM to DDR via MIG adapter for arty - cdc_pulse: add clock domain crossing for a slowly changing value - cdc_vector_s0: add ENA port (now used in cdc_pulse) - tst_mig/util.tcl: test_rwait: add optional lena argument - viv_tools_build.tcl: downgrade SSN critical warnings to warnings
61 lines
2.4 KiB
VHDL
61 lines
2.4 KiB
VHDL
-- $Id: sys_conf.vhd 1074 2018-11-25 21:38:59Z mueller $
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--
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-- Copyright 2018- 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 sys_tst_sram_arty (for synthesis)
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--
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-- Dependencies: -
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-- Tool versions: viv 2017.2; ghdl 0.34
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-- Revision History:
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-- Date Rev Version Comment
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-- 2018-11-17 1071 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 := 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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-- dual clock design, clkser = 120 MHz
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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 := "PLL";
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-- configure rlink and hio interfaces --------------------------------------
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constant sys_conf_ser2rri_defbaud : integer := 115200; -- default 115k baud
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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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constant sys_conf_ser2rri_cdinit : integer :=
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(sys_conf_clkser/sys_conf_ser2rri_defbaud)-1;
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end package sys_conf;
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