Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / obp / obp / dev / usb2 / hcd / ehci / probe.fth

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\ Hypervisor Software File: probe.fth
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\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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\ ========== Copyright Header End ============================================
id: @(#)probe.fth 1.1 07/01/04
purpose: EHCI USB Controller probe
copyright: Copyright 2007 Sun Microsystems, Inc. All Rights Reserved
\ See license at end of file

hex
headers

: make-root-hub-node  ( port -- )
   ok-to-add-device? 0=  if  drop exit  then		\ Can't add another device

   new-address				( port dev )
   speed-high over di-speed!		( port dev )

   0 set-target				( port dev )	\ Address it as device 0
   dup set-address  if  2drop exit  then ( port dev )	\ Assign it usb addr dev
   dup set-target			( port dev )	\ Address it as device dev
   swap 1+ swap				( port dev )	\ hub ports start at 1
   make-device-node			( )
;

external
: power-usb-ports  ( -- )  ;

: probe-usb  ( -- )
   alloc-pkt-buf
   hcsparams@ h# f and 0  ?do				\ For each port
      i portsc@ 1 and  if				\ A device is connected
         i portsc@ h# c00 and h# 400 =  if		\ A low speed device detected
	    i disown-port				\ Disown the port
         else						\ Don't know what it is
            i reset-port				\ Reset to find out
            i portsc@ 4 and  0=  if			\ A full speed device detected
	       i disown-port				\ Disown the port
            else					\ A high speed device detected
               i ['] make-root-hub-node catch  if	\ Process high speed device
                  ." Failed to probe root port " i .d cr
               then
            then
         then
      then
   loop
   free-pkt-buf
;

headers

\ LICENSE_BEGIN
\ Copyright (c) 2006 FirmWorks
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\ Permission is hereby granted, free of charge, to any person obtaining
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\ The above copyright notice and this permission notice shall be
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