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\ *****************************************************************************
\ * Copyright (c) 2004, 2011 IBM Corporation
\ * All rights reserved.
\ * This program and the accompanying materials
\ * are made available under the terms of the BSD License
\ * which accompanies this distribution, and is available at
\ * http://www.opensource.org/licenses/bsd-license.php
\ *
\ * Contributors:
\ * IBM Corporation - initial implementation
\ ****************************************************************************/
s" serial bus [ " type my-space pci-class-name type s" ]" type cr
my-space pci-device-generic-setup
STRUCT
/n FIELD hcd>base
/n FIELD hcd>type
/n FIELD hcd>num
/n FIELD hcd>ops
/n FIELD hcd>priv
/n FIELD hcd>nextaddr
CONSTANT /hci-dev
: usb-setup-hcidev ( num hci-dev -- )
>r
10 config-l@ F AND case
0 OF 10 config-l@ translate-my-address ENDOF \ 32-bit memory space
4 OF \ 64-bit memory space
14 config-l@ 20 lshift \ Read two bars
10 config-l@ OR translate-my-address
ENDOF
ENDCASE
F not AND
( io-base ) r@ hcd>base !
08 config-l@ 8 rshift 0000000F0 AND 4 rshift
( usb-type ) r@ hcd>type !
( usb-num ) r@ hcd>num !
r> drop
;
\ Handle USB OHCI controllers:
: handle-usb-class ( -- )
\ set Memory Write and Invalidate Enable, SERR# Enable
\ (see PCI 3.0 Spec Chapter 6.2.2 device control):
4 config-w@ 110 or 4 config-w!
pci-master-enable \ set PCI Bus master bit and
pci-mem-enable \ memory space enable for USB scan
;
\ Check PCI sub-class and interface type of Serial Bus Controller
\ to include the appropriate driver:
: handle-sbc-subclass ( -- )
my-space pci-class@ ffff and CASE \ get PCI sub-class and interface
0310 OF \ OHCI controller
handle-usb-class
set-ohci-alias
ENDOF
0320 OF \ EHCI controller
handle-usb-class
set-ehci-alias
ENDOF
0330 OF \ XHCI controller
handle-usb-class
set-xhci-alias
ENDOF
ENDCASE
;
handle-sbc-subclass
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