URL
https://opencores.org/ocsvn/w11/w11/trunk
Subversion Repositories w11
[/] [w11/] [tags/] [w11a_V0.5/] [rtl/] [sys_gen/] [w11a/] [nexys2/] [sys_conf.vhd] - Rev 22
Go to most recent revision | Compare with Previous | Blame | View Log
-- $Id: sys_conf.vhd 314 2010-07-09 17:38:41Z mueller $ -- -- Copyright 2010- 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; ghdl 0.26 -- Revision History: -- Date Rev Version Comment -- 2010-05-05 295 1.0 Initial version (derived from _s3 version) ------------------------------------------------------------------------------ library ieee; use ieee.std_logic_1164.all; use work.slvtypes.all; package sys_conf is constant sys_conf_hio_debounce : boolean := true; -- instantiate debouncers constant sys_conf_ser2rri_cdinit : integer := 434-1; -- 50000000/115200 constant sys_conf_bram : integer := 0; -- no bram, use cache constant sys_conf_bram_awidth : integer := 14; -- bram size (16 kB) constant sys_conf_mem_losize : integer := 8#167777#; -- 4 MByte --constant sys_conf_mem_losize : integer := 8#003777#; -- 128 kByte (debug) -- constant sys_conf_bram : integer := 1; -- bram only -- constant sys_conf_bram_awidth : integer := 15; -- bram size (32 kB) -- constant sys_conf_mem_losize : integer := 8#000777#; -- 32 kByte constant sys_conf_cache_fmiss : slbit := '0'; -- cache enabled end package sys_conf; -- Note: mem_losize holds 16 MSB of the PA of the addressable memory -- 2 211 111 111 110 000 000 000 -- 1 098 765 432 109 876 543 210 -- -- 0 000 000 011 111 111 000 000 -> 00037777 --> 14bit --> 16 kByte -- 0 000 000 111 111 111 000 000 -> 00077777 --> 15bit --> 32 kByte -- 0 000 001 111 111 111 000 000 -> 00177777 --> 16bit --> 64 kByte -- 0 000 011 111 111 111 000 000 -> 00377777 --> 17bit --> 128 kByte -- 0 011 111 111 111 111 000 000 -> 03777777 --> 20bit --> 1 MByte -- 1 110 111 111 111 111 000 000 -> 16777777 --> 22bit --> 4 MByte -- upper 256 kB excluded for 11/70 UB
Go to most recent revision | Compare with Previous | Blame | View Log