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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

#	$OpenBSD: files.acpi,v 1.15 2007/05/31 17:49:16 gwk Exp $
#
# Config file and device description for machine-independent ACPI code.
# Included by ports that need it.

define	acpi {}
device	acpi
attach	acpi at mainbus
file	dev/acpi/acpi.c			acpi needs-flag
file	dev/acpi/acpiutil.c		acpi
file	dev/acpi/dsdt.c			acpi
file	dev/acpi/acpidebug.c		acpi & ddb

# ACPI timer
device	acpitimer
attach	acpitimer at acpi
file	dev/acpi/acpitimer.c		acpitimer

# AC device
device	acpiac
attach	acpiac at acpi
file	dev/acpi/acpiac.c		acpiac

# battery device
device	acpibat
attach	acpibat at acpi
file	dev/acpi/acpibat.c		acpibat

# button device
device	acpibtn
attach	acpibtn at acpi
file	dev/acpi/acpibtn.c		acpibtn

# cpu device
device	acpicpu
attach	acpicpu at acpi
file	dev/acpi/acpicpu.c		acpicpu needs-flag

# High Precision Event Timer
device	acpihpet
attach	acpihpet at acpi
file	dev/acpi/acpihpet.c		acpihpet

# Embedded Controller
device	acpiec
attach	acpiec at acpi
file	dev/acpi/acpiec.c		acpiec

# Thermal Zone
device	acpitz
attach	acpitz at acpi
file	dev/acpi/acpitz.c		acpitz

# Multiple APIC Description Table
device	acpimadt
attach	acpimadt at acpi
file	dev/acpi/acpimadt.c		acpimadt

# PCI Routing Table
device	acpiprt
attach	acpiprt at acpi
file	dev/acpi/acpiprt.c		acpiprt needs-flag

# Docking station
device	acpidock
attach	acpidock at acpi
file	dev/acpi/acpidock.c		acpidock