1 |
2 |
wfjm |
-- $Id: sys_conf.vhd 314 2010-07-09 17:38:41Z mueller $
|
2 |
|
|
--
|
3 |
|
|
-- Copyright 2007-2008 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
|
4 |
|
|
--
|
5 |
|
|
-- This program is free software; you may redistribute and/or modify it under
|
6 |
|
|
-- the terms of the GNU General Public License as published by the Free
|
7 |
|
|
-- Software Foundation, either version 2, or at your option any later version.
|
8 |
|
|
--
|
9 |
|
|
-- This program is distributed in the hope that it will be useful, but
|
10 |
|
|
-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
|
11 |
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
12 |
|
|
-- for complete details.
|
13 |
|
|
--
|
14 |
|
|
------------------------------------------------------------------------------
|
15 |
|
|
-- Package Name: sys_conf
|
16 |
|
|
-- Description: Definitions for sys_w11a_s3 (for synthesis)
|
17 |
|
|
--
|
18 |
|
|
-- Dependencies: -
|
19 |
|
|
-- Tool versions: xst 8.1, 8.2, 9.1, 9.2; ghdl 0.18-0.25
|
20 |
|
|
-- Revision History:
|
21 |
|
|
-- Date Rev Version Comment
|
22 |
|
|
-- 2010-05-05 288 1.1.1 add sys_conf_hio_debounce
|
23 |
|
|
-- 2008-02-23 118 1.1 add memory config
|
24 |
|
|
-- 2007-09-23 84 1.0 Initial version
|
25 |
|
|
------------------------------------------------------------------------------
|
26 |
|
|
|
27 |
|
|
library ieee;
|
28 |
|
|
use ieee.std_logic_1164.all;
|
29 |
|
|
|
30 |
|
|
use work.slvtypes.all;
|
31 |
|
|
|
32 |
|
|
package sys_conf is
|
33 |
|
|
|
34 |
|
|
constant sys_conf_hio_debounce : boolean := true; -- instantiate debouncers
|
35 |
|
|
constant sys_conf_ser2rri_cdinit : integer := 434-1; -- 50000000/115200
|
36 |
|
|
|
37 |
|
|
constant sys_conf_bram : integer := 0; -- no bram, use cache
|
38 |
|
|
constant sys_conf_bram_awidth : integer := 14; -- bram size (16 kB)
|
39 |
|
|
constant sys_conf_mem_losize : integer := 8#037777#; -- 1 MByte
|
40 |
|
|
--constant sys_conf_mem_losize : integer := 8#003777#; -- 128 kByte (debug)
|
41 |
|
|
|
42 |
|
|
-- constant sys_conf_bram : integer := 1; -- bram only
|
43 |
|
|
-- constant sys_conf_bram_awidth : integer := 15; -- bram size (32 kB)
|
44 |
|
|
-- constant sys_conf_mem_losize : integer := 8#000777#; -- 32 kByte
|
45 |
|
|
|
46 |
|
|
constant sys_conf_cache_fmiss : slbit := '0'; -- cache enabled
|
47 |
|
|
|
48 |
|
|
end package sys_conf;
|
49 |
|
|
|
50 |
|
|
-- Note: mem_losize holds 16 MSB of the PA of the addressable memory
|
51 |
|
|
-- 2 211 111 111 110 000 000 000
|
52 |
|
|
-- 1 098 765 432 109 876 543 210
|
53 |
|
|
--
|
54 |
|
|
-- 0 000 000 011 111 111 000 000 -> 00037777 --> 14bit --> 16 kByte
|
55 |
|
|
-- 0 000 000 111 111 111 000 000 -> 00077777 --> 15bit --> 32 kByte
|
56 |
|
|
-- 0 000 001 111 111 111 000 000 -> 00177777 --> 16bit --> 64 kByte
|
57 |
|
|
-- 0 000 011 111 111 111 000 000 -> 00377777 --> 17bit --> 128 kByte
|
58 |
|
|
-- 0 011 111 111 111 111 000 000 -> 03777777 --> 20bit --> 1 MByte
|
59 |
|
|
-- 1 110 111 111 111 111 000 000 -> 16777777 --> 22bit --> 4 MByte
|
60 |
|
|
-- upper 256 kB excluded for 11/70 UB
|