| Line 1... |
Line 1... |
-- $Id: rbd_rbmon.vhd 374 2011-03-27 17:02:47Z mueller $
|
-- $Id: rbd_rbmon.vhd 387 2011-07-03 17:24:52Z mueller $
|
--
|
--
|
-- Copyright 2010-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
|
-- Copyright 2010-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
|
--
|
--
|
-- This program is free software; you may redistribute and/or modify it under
|
-- 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
|
-- the terms of the GNU General Public License as published by the Free
|
| Line 31... |
Line 31... |
-- 2011-03-27 374 1.0.2 rename ncyc -> nbusy because it counts busy cycles
|
-- 2011-03-27 374 1.0.2 rename ncyc -> nbusy because it counts busy cycles
|
-- 2010-12-31 352 1.0.1 simplify irb_ack logic
|
-- 2010-12-31 352 1.0.1 simplify irb_ack logic
|
-- 2010-12-27 349 1.0 Initial version
|
-- 2010-12-27 349 1.0 Initial version
|
------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
--
|
--
|
-- address layout:
|
-- Address Bits Name r/w/f Function
|
-- bbbbbb00 : cntl
|
-- bbbbbb00 cntl r/w/f Control register
|
-- 00 : go/halt (writing 1 clears addr)
|
-- 00 go r/w/f writing 1 clears add
|
-- bbbbbb01 : alim: read-write register
|
-- bbbbbb01 alim r/w/- Address limit register
|
-- 15:08 : hilim: upper address limit (def: ff)
|
-- 15:08 hilim r/w/- upper address limit (def: ff)
|
-- 7:00 : lolim: lower address limit (def: 00)
|
-- 07:00 lolim r/w/- lower address limit (def: 00)
|
-- bbbbbb10 : addr: read-write register
|
-- bbbbbb10 addr r/w/- Address register
|
-- 15 : wrap: line address wrapped (read-only, cleared on write)
|
-- 15 wrap r/0/- line address wrapped (cleared on write)
|
-- xx:02 : laddr: line address
|
-- *:02 laddr r/w/- line address
|
-- 01:00 : waddr: word address
|
-- 01:00 waddr r/w/- word address
|
-- bbbbbb11 : data: read-write register
|
-- bbbbbb11 data r/w/- Data register
|
--
|
--
|
-- data format:
|
-- data format:
|
-- word 3 15 : ack
|
-- word 3 15 : ack
|
-- 14 : busy
|
-- 14 : busy
|
-- 13 : err
|
-- 13 : err
|
