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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: RAMDISKU1,v 1.19 2007/05/01 15:22:23 deraadt Exp $

# Machine architecture; required by config(8)
machine		sparc64

# maxusers means mostly "let's get small" in terms of kernel malloc's
maxusers	2

option		RAMDISK_HOOKS
option		MINIROOTSIZE=6144

#option		DDB		# need this to see what's happening

option		TIMEZONE=0	# time zone to adjust RTC time by
option		DST=0		# daylight saving time used by RTC

option		SMALL_KERNEL
option		NO_PROPOLICE
option		FFS		# UFS
#option		NFSCLIENT	# Network File System client
#option		CD9660		# ISO 9660 + Rock Ridge file system
option		INET		# IP + ICMP + TCP + UDP
option		BOOT_CONFIG	# add support for boot -c

option		WSEMUL_SUN	# provide sun terminal emulation; required
option		WSEMUL_NO_VT100	# do not provide vt100 terminal emulation

# Generic swap; second partition of root disk or network.
config		bsd	root on rd0a

# Main bus and CPU .. all systems.
mainbus0 at root
cpu0	at mainbus0

# Bus types found on SPARC systems.
sbus*	at mainbus0				# Ultra 1

clock*	at sbus?				# Mostek clock
timer*	at mainbus0				# Timer chip

le*		at sbus?			# Lance Ethernet - AMD7990
ledma*		at sbus?
le*		at ledma?
lebuffer*	at sbus?
le*		at lebuffer?

#qec*	at sbus?				# Quad-ethernet
#qe*	at qec?
#be*	at qec?

hme*		at sbus?

#
# Note the flags on the esp entries below, that work around
# deficiencies in the current driver:
#	bits 0-7:  disable disconnect/reselect for the corresponding target
#	bits 8-15: disable synch negotiation for target [bit-8]
#	Note: targets 4-7 have disconnect/reselect enabled on the premise
#	      that tape devices normally have one of these targets. Tape
#	      devices should be allowed to disconnect for the SCSI bus
#	      to operate acceptably.
#
dma*	at sbus?		# SBus
esp*	at dma?			# SBus
esp*	at sbus?
scsibus*	at esp?

# These entries find devices on all SCSI busses and assign
# unit numers dynamically.
sd*	at scsibus?		# SCSI disks
#cd*	at scsibus?		# SCSI CD-ROMs

# Media Independent Interface (mii) drivers)
nsphy*	at mii?			# NS and compatible PHYs
qsphy*	at mii?			# Quality Semi QS6612 PHYs
ukphy*	at mii?			# Unknown PHYs

# Z8530 based serial ports
zs*	at sbus?
zstty*	at zs?
zskbd*	at zs?
wskbd*	at zskbd?

# Framebuffers
agten*		at sbus?		# Fujitsu AG-10e framebuffer
wsdisplay*	at agten?
bwtwo*		at sbus?		# bwtwo monochrome framebuffer
wsdisplay*	at bwtwo?
cgsix*		at sbus?		# cgsix 8-bit accelerated framebuffer
wsdisplay*	at cgsix?
cgthree*	at sbus?		# cgthree 8-bit framebuffer
wsdisplay*	at cgthree?
cgtwelve*	at sbus?		# cgtwelve 24-bit color framebuffer
wsdisplay*	at cgtwelve?
creator*	at mainbus0		# Creator3D/Elite3D framebuffers
wsdisplay*	at creator?
mgx*		at sbus?		# SMS MGX/MGXPlus framebuffer
wsdisplay*	at mgx?
rfx*		at sbus?		# RasterFlex framebuffer series
wsdisplay*	at rfx?
tvtwo*		at sbus?		# Parallax XVideo/PowerVideo framebuffer
wsdisplay*	at tvtwo?
vigra*		at sbus?		# Viagra framebuffer series
wsdisplay*	at vigra?
zx*		at sbus?		# Sun Leo (ZX) framebuffer
wsdisplay*	at zx?

# ``XBox'' SBus Expansion
xbox*		at sbus?
sbus*		at xbox?

## PROM console driver -- if all else fails
pcons0	at mainbus0			# PROM console

pseudo-device	rd	2	# ramdisk
pseudo-device	loop	1	# network loopback