\ ========== Copyright Header Begin ==========================================
\ Hypervisor Software File: ohci.fth
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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\ or without modification, are permitted provided that the following
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\ without specific prior written permission.
\ This software is provided "AS IS," without a warranty of any kind.
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\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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\ ========== Copyright Header End ============================================
id: @(#)ohci.fth 1.1 07/01/22
purpose: Driver for OHCI USB Controller
copyright: Copyright 2007 Sun Microsystems, Inc. All Rights Reserved
\ See license at end of file
defer end-extra ' noop to end-extra
\ Configuration space registers
my-address my-space encode-phys
0 encode-int encode+ 0 encode-int encode+
\ OHCI operational registers
0 0 my-space 0200.0010 + encode-phys encode+
0 encode-int encode+ 1000 encode-int encode+
1 constant potpgt \ PowerONToPowerGoodTime
0 0 my-space h# 0200.0010 + 1000 map-in to ohci-reg
ohci-reg 1000 map-out 0 to ohci-reg
: ohci-reg@ ( idx -- data ) ohci-reg + rl@ ;
: ohci-reg! ( data idx -- ) ohci-reg + rl! ;
: hc-cntl@ ( -- data ) 4 ohci-reg@ ;
: hc-cntl! ( data -- ) 4 ohci-reg! ;
: hc-stat@ ( -- data ) 8 ohci-reg@ ;
: hc-cmd! ( data -- ) 8 ohci-reg! ;
: hc-intr@ ( -- data ) c ohci-reg@ ;
: hc-intr! ( data -- ) c ohci-reg! ;
: hc-hcca@ ( -- data ) 18 ohci-reg@ ;
: hc-hcca! ( data -- ) 18 ohci-reg! ;
: hc-rh-desA@ ( -- data ) 48 ohci-reg@ ;
: hc-rh-desA! ( data -- ) 48 ohci-reg! ;
: hc-rh-desB@ ( -- data ) 4c ohci-reg@ ;
: hc-rh-desB! ( data -- ) 4c ohci-reg! ;
: hc-rh-stat@ ( -- data ) 50 ohci-reg@ ;
: hc-rh-stat! ( data -- ) 50 ohci-reg! ;
: hc-rh-psta@ ( port -- data ) 4 * 54 + ohci-reg@ ;
: hc-rh-psta! ( data port -- ) 4 * 54 + ohci-reg! ;
: hc-cntl-clr ( bit-mask -- ) hc-cntl@ swap invert and hc-cntl! ;
: hc-cntl-set ( bit-mask -- ) hc-cntl@ swap or hc-cntl! ;
1 hc-rh-stat! \ power-off root hub
1 hc-cmd! \ reset usb host controller
hcca-phys hc-hcca! \ physical address of hcca
81 hc-cntl! \ USB operational, 2:1 ControlBulkServiceRatio
a668.2edf 34 \ HcFmInterval
\ Sometimes the HcFmInterval register will not hold it's value
\ after the first write. This was seen primarily on the ULI 1575
\ controller, but also reported on the 1535+.
\ Loop on the write to ensure it has completed.
cmn-error[ " Unable to write to HcFmInterval Register" ]cmn-end
2580 40 ohci-reg! \ HcPeriodicStart
: (process-hc-status) ( -- )
h# 10 and if " Unrecoverable error" USB_ERR_HCHALTED set-usb-error then
' (process-hc-status) to process-hc-status
: wait-for-frame ( -- ) begin hc-intr@ 4 and until ;
: next-frame ( -- ) 4 hc-intr! wait-for-frame ;
\ Kick the USB controller into operation mode.
: start-usb ( -- ) c0 hc-cntl-clr 80 hc-cntl-set ;
: suspend-usb ( -- ) c0 hc-cntl-set ;
open-count 1+ to open-count
open-count 1- to open-count
open-count 0= if free-dma-buf unmap-regs then
\ Copyright (c) 2006 FirmWorks
\ Permission is hereby granted, free of charge, to any person obtaining
\ a copy of this software and associated documentation files (the
\ "Software"), to deal in the Software without restriction, including
\ without limitation the rights to use, copy, modify, merge, publish,
\ distribute, sublicense, and/or sell copies of the Software, and to
\ permit persons to whom the Software is furnished to do so, subject to
\ the following conditions:
\ The above copyright notice and this permission notice shall be
\ included in all copies or substantial portions of the Software.
\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
projects / OpenSPARC-T2-SAM / blob