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  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/SLOF/slof/fs/devices/pci-class_0c.fs
 
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\ *****************************************************************************
 
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\ * Copyright (c) 2004, 2011 IBM Corporation
 
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\ * All rights reserved.
 
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\ * This program and the accompanying materials
 
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\ * are made available under the terms of the BSD License
 
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\ * which accompanies this distribution, and is available at
 
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\ * http://www.opensource.org/licenses/bsd-license.php
 
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\ *
 
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\ * Contributors:
 
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\ *     IBM Corporation - initial implementation
 
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\ ****************************************************************************/
 
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s" serial bus [ " type my-space pci-class-name type s"  ]" type cr
 
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my-space pci-device-generic-setup
 
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STRUCT
 
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    /n FIELD hcd>base
 
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    /n FIELD hcd>type
 
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    /n FIELD hcd>num
 
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    /n FIELD hcd>ops
 
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    /n FIELD hcd>priv
 
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    /n FIELD hcd>nextaddr
 
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CONSTANT /hci-dev
 
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: usb-setup-hcidev ( num hci-dev -- )
 
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    >r
 
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    10 config-l@ F AND case
 
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        0 OF 10 config-l@ translate-my-address ENDOF       \ 32-bit memory space
 
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        4 OF                                               \ 64-bit memory space
 
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            14 config-l@ 20 lshift                         \ Read two bars
 
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            10 config-l@ OR translate-my-address
 
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        ENDOF
 
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    ENDCASE
 
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    F not AND
 
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    ( io-base ) r@ hcd>base !
 
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    08 config-l@ 8 rshift  0000000F0 AND 4 rshift
 
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    ( usb-type ) r@ hcd>type !
 
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    ( usb-num )  r@ hcd>num !
 
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    r> drop
 
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;
 
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\ Handle USB OHCI controllers:
 
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: handle-usb-class  ( -- )
 
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   \ set Memory Write and Invalidate Enable, SERR# Enable
 
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   \ (see PCI 3.0 Spec Chapter 6.2.2 device control):
 
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   4 config-w@ 110 or 4 config-w!
 
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   pci-master-enable               \ set PCI Bus master bit and
 
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   pci-mem-enable                  \ memory space enable for USB scan
 
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;
 
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\ Check PCI sub-class and interface type of Serial Bus Controller
 
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\ to include the appropriate driver:
 
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: handle-sbc-subclass  ( -- )
 
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    my-space pci-class@ ffff and CASE         \ get PCI sub-class and interface
 
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        0310 OF                      \ OHCI controller
 
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            handle-usb-class
 
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            set-ohci-alias
 
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        ENDOF
 
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        0320 OF                      \ EHCI controller
 
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            handle-usb-class
 
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            set-ehci-alias
 
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        ENDOF
 
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        0330 OF                      \ XHCI controller
 
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            handle-usb-class
 
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            set-xhci-alias
 
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        ENDOF
 
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   ENDCASE
 
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;
 
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handle-sbc-subclass