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Hash :
1a08f436
Author :
Date :
2010-08-25T09:23:17
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\ ========== Copyright Header Begin ==========================================
\
\ Hypervisor Software File: power-on.fth
\
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\
\ - Do no alter or remove copyright notices
\
\ - Redistribution and use of this software in source and binary forms, with
\ or without modification, are permitted provided that the following
\ conditions are met:
\
\ - Redistribution of source code must retain the above copyright notice,
\ this list of conditions and the following disclaimer.
\
\ - Redistribution in binary form must reproduce the above copyright notice,
\ this list of conditions and the following disclaimer in the
\ documentation and/or other materials provided with the distribution.
\
\ Neither the name of Sun Microsystems, Inc. or the names of contributors
\ may be used to endorse or promote products derived from this software
\ without specific prior written permission.
\
\ This software is provided "AS IS," without a warranty of any kind.
\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
\
\ You acknowledge that this software is not designed, licensed or
\ intended for use in the design, construction, operation or maintenance of
\ any nuclear facility.
\
\ ========== Copyright Header End ============================================
id: @(#)power-on.fth 1.27 03/03/13
purpose:
copyright: Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
: activate-chip ( -- ok? )
get-mem new-mem-table init-controller
;
\ the proper value here is dependent on the particular OBP implementation,
\ especially the depth of the return stack. this value is used to set an
\ internal value used by the two external words in ...builtin-drivers.
\ 6 constant max-depth \ full usb tree
3 constant max-depth
\ has dependency on main OBP. puts the recursion depth for hubs back to the
\ maximum allowed for this onboard usb host adapter. this word works with
\ go-deeper? in the hub fcode, and with onboard-usb-max-depth and onboard-usb-recurse?
\ in SUNW,builtin-drivers.
: max-recursion ( -- )
max-depth
" onboard-usb-max-depth"
" SUNW,builtin-drivers" find-package drop \ must be present
find-method if
execute
else drop
then
;
\ XXX some devices take a long time to turn on after reset. Do some
\ require two resets?
\ XXX the order of activation pieces may differ between regular speed and
\ low speed devices.
\ Hack -- up to 2 tries if error occurs on first try.
: probe-guts ( port speed -- port speed )
2 0 do
2dup
over clean-port
probe-once
if leave then
loop
;
\ give a device two chances. if not enumerated ok after two tries, make a
\ bad device node. Leave open the option for other actions, depending on the
\ precise failure.
\ Hack-- up to 5 tries, ignoring fatal errors. With probe-guts, up to 9
\ fatal errors will be ignored.
: probe-port ( port speed -- )
max-recursion
5 0 do \ Hack for taco bad usb mouse
probe-guts
['] 2drop ['] complete-probe behavior =
if leave then
loop
complete-probe
;
\ loop works because RIO powers all ports on at power-on time.
\ otherwise may need to power port, then look to see if connected.
: power-on ( -- )
my-self to saved-self
['] take-done-q to bless-done-q \ running polled during probe;
\ could use quit-take-done-q
publish-finder
activate-chip if
#root-ports 1+ 1 do \ usb ports start at 1
i port-connected? if
i power-port
i dup port-low-speed?
dup to child-speed
probe-port
then
loop
then
toss-controller give-mem
0 to open-count
0 to saved-self
['] quit-take-done-q to bless-done-q \ setup for 10 ms tick
;
power-on