w11 - vhd 0.794
W11 CPU core and support modules
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sys_conf.vhd
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1-- $Id: sys_conf.vhd 1181 2019-07-08 17:00:50Z mueller $
2-- SPDX-License-Identifier: GPL-3.0-or-later
3-- Copyright 2011-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
4--
5------------------------------------------------------------------------------
6-- Package Name: sys_conf
7-- Description: Definitions for sys_tst_rlink_n3 (for synthesis)
8--
9-- Dependencies: -
10-- Tool versions: xst 13.1-14.7; ghdl 0.29-0.31
11-- Revision History:
12-- Date Rev Version Comment
13-- 2013-10-06 538 1.1 pll support, use clksys_vcodivide ect
14-- 2011-11-26 433 1.0 Initial version
15------------------------------------------------------------------------------
16
17library ieee;
18use ieee.std_logic_1164.all;
19
20use work.slvtypes.all;
21
22package sys_conf is
23
24 -- configure clocks --------------------------------------------------------
25 constant sys_conf_clksys_vcodivide : positive := 1;
26 constant sys_conf_clksys_vcomultiply : positive := 1; -- dcm 100 MHz
27 constant sys_conf_clksys_outdivide : positive := 1; -- sys 100 MHz
28 constant sys_conf_clksys_gentype : string := "DCM";
29
30 -- configure rlink and hio interfaces --------------------------------------
31 constant sys_conf_ser2rri_defbaud : integer := 115200; -- default 115k baud
32 constant sys_conf_hio_debounce : boolean := true; -- instantiate debouncers
33
34 -- derived constants =======================================================
35
36 constant sys_conf_clksys : integer :=
39 constant sys_conf_clksys_mhz : integer := sys_conf_clksys/1000000;
40
41 constant sys_conf_ser2rri_cdinit : integer :=
43
44end package sys_conf;
45
positive := 8 sys_conf_clksys_vcomultiply
integer :=(( 100000000/ sys_conf_clksys_vcodivide)* sys_conf_clksys_vcomultiply)/ sys_conf_clksys_outdivide sys_conf_clksys
integer :=( sys_conf_clkser/ sys_conf_ser2rri_defbaud)- 1 sys_conf_ser2rri_cdinit
Definition: sys_conf.vhd:48
integer := sys_conf_clksys/ 1000000 sys_conf_clksys_mhz
positive := 1 sys_conf_clksys_vcodivide
boolean := true sys_conf_hio_debounce
Definition: sys_conf.vhd:33
positive := 10 sys_conf_clksys_outdivide
string := "MMCM" sys_conf_clksys_gentype
integer := 115200 sys_conf_ser2rri_defbaud
Definition: sys_conf.vhd:34