diff options
Diffstat (limited to 'qemu/roms/SLOF/slof/fs/devices/pci-class_0c.fs')
| -rw-r--r-- | qemu/roms/SLOF/slof/fs/devices/pci-class_0c.fs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/slof/fs/devices/pci-class_0c.fs b/qemu/roms/SLOF/slof/fs/devices/pci-class_0c.fs new file mode 100644 index 000000000..39453fbc0 --- /dev/null +++ b/qemu/roms/SLOF/slof/fs/devices/pci-class_0c.fs @@ -0,0 +1,71 @@ +\ ***************************************************************************** +\ * 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 |