URL
https://opencores.org/ocsvn/w11/w11/trunk
Subversion Repositories w11
[/] [w11/] [tags/] [w11a_V0.7/] [rtl/] [sys_gen/] [w11a/] [nexys2/] [sys_conf.vhd] - Rev 36
Go to most recent revision | Compare with Previous | Blame | View Log
-- $Id: sys_conf.vhd 692 2015-06-21 11:53:24Z mueller $ -- -- Copyright 2010-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de> -- -- This program is free software; you may redistribute and/or modify it under -- the terms of the GNU General Public License as published by the Free -- Software Foundation, either version 2, or at your option any later version. -- -- This program is distributed in the hope that it will be useful, but -- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- for complete details. -- ------------------------------------------------------------------------------ -- Package Name: sys_conf -- Description: Definitions for sys_w11a_n2 (for synthesis) -- -- Dependencies: - -- Tool versions: xst 11.4-14.7; ghdl 0.26-0.31 -- Revision History: -- Date Rev Version Comment -- 2015-06-21 692 1.4.1 use clksys=52 (no closure after rhrp fixes) -- 2015-03-14 658 1.4 add sys_conf_ibd_* definitions -- 2015-02-15 647 1.3 drop bram and minisys options -- 2015-01-04 630 1.2.2 use clksys=54 (no closure after rlink r4 + RL11) -- 2014-12-22 619 1.2.1 add _rbmon_awidth -- 2013-04-21 509 1.2 add fx2 settings -- 2011-11-19 428 1.1.1 use clksys=56 (58 no closure after numeric_std...) -- 2010-11-27 341 1.1 add dcm and memctl related constants (clksys=58) -- 2010-05-05 295 1.0 Initial version (derived from _s3 version) ------------------------------------------------------------------------------ library ieee; use ieee.std_logic_1164.all; use work.slvtypes.all; -- valid system clock / delay combinations: -- div mul clksys read0 read1 write -- 1 1 50.0 2 2 3 -- 25 27 54.0 3 3 3 -- 25 29 58.0 3 3 4 package sys_conf is -- configure clocks -------------------------------------------------------- constant sys_conf_clkfx_divide : positive := 25; constant sys_conf_clkfx_multiply : positive := 26; -- ==> 52 MHz -- configure rlink and hio interfaces -------------------------------------- constant sys_conf_ser2rri_defbaud : integer := 115200; -- default 115k baud constant sys_conf_hio_debounce : boolean := true; -- instantiate debouncers -- fx2 settings: petowidth=10 -> 2^10 30 MHz clocks -> ~33 usec constant sys_conf_fx2_petowidth : positive := 10; constant sys_conf_fx2_ccwidth : positive := 5; -- configure debug and monitoring units ------------------------------------ constant sys_conf_rbmon_awidth : integer := 9; -- use 0 to disable rbmon constant sys_conf_ibmon_awidth : integer := 9; -- use 0 to disable ibmon -- configure memory controller --------------------------------------------- constant sys_conf_memctl_read0delay : positive := 3; constant sys_conf_memctl_read1delay : positive := sys_conf_memctl_read0delay; constant sys_conf_memctl_writedelay : positive := 4; -- configure w11 cpu core -------------------------------------------------- constant sys_conf_mem_losize : integer := 8#167777#; -- 4 MByte constant sys_conf_cache_fmiss : slbit := '0'; -- cache enabled -- configure w11 system devices -------------------------------------------- -- configure character and communication devices constant sys_conf_ibd_dl11_1 : boolean := true; -- 2nd DL11 constant sys_conf_ibd_pc11 : boolean := true; -- PC11 constant sys_conf_ibd_lp11 : boolean := true; -- LP11 -- configure mass storage devices constant sys_conf_ibd_rk11 : boolean := true; -- RK11 constant sys_conf_ibd_rl11 : boolean := true; -- RL11 constant sys_conf_ibd_rhrp : boolean := true; -- RHRP constant sys_conf_ibd_tm11 : boolean := true; -- TM11 -- configure other devices constant sys_conf_ibd_iist : boolean := true; -- IIST -- derived constants ======================================================= constant sys_conf_clksys : integer := (50000000/sys_conf_clkfx_divide)*sys_conf_clkfx_multiply; constant sys_conf_clksys_mhz : integer := sys_conf_clksys/1000000; constant sys_conf_ser2rri_cdinit : integer := (sys_conf_clksys/sys_conf_ser2rri_defbaud)-1; end package sys_conf;
Go to most recent revision | Compare with Previous | Blame | View Log