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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: GENERIC,v 1.16 2007/05/31 23:18:25 uwe Exp $ 
#
# For further information on compiling OpenBSD kernels, see the config(8)
# man page.
#
# For further information on hardware support for this architecture, see
# the intro(4) man page.  For further information about kernel options
# for this architecture, see the options(4) man page.  For an explanation
# of each device driver in this file see the section 4 man page for the
# device.

machine		jornada arm
include		"../../../conf/GENERIC"
maxusers	32			# estimated number of users

options		ARM32

makeoptions	KERNEL_BASE_PHYS="0xc0200000"
makeoptions	KERNEL_BASE_VIRT="0xc0200000"
makeoptions	BOARDTYPE="jornada720"	# XXX Jornada 728 differs only by doubling RAM
makeoptions DEBUG="-g"

#rmoption	DDB
#rmoption	USER_CONF

options		CPU_SA1110		# Support the StrongARM 1110 core
options		VERBOSE_PMAP_DEVMAP
options		DO_NOT_RESET_SA1

#options	BOOTCONSOLE_COM	# use UART3 as boot console (instead of framebuffer)

#config	bsd	swap generic
config bsd root on nfs swap on nfs

# The main bus device
mainbus0	at root
cpu0		at mainbus?

# SA-1110 space and integrated peripherals
saip0		at mainbus?

# Chip companion (SA1111)
# sacc's INT line is connected to GPIO 0 on sa11x0
sacc0		at saip? addr 0x40000000 intr 0

# Jornada framebuffer
jfb0		at saip? addr 0x48200000
wsdisplay*	at jfb?

# Interrupt Controller
saic0		at saip? addr 0x90050000 size 0x24

# OST (Operating System Timer)
saost0		at saip? addr 0x90000000 size 0x20

# Serial Port 3 (UART)
sacom0		at saip? addr 0x80050000 size 0x24 intr 17

# MCP/SSP (Serial Port 4)
sassp0		at saip? addr 0x80070000
spibus*		at sassp?

# Onboard MCU (keyboard, touchscreen)
#jmcu0		at spibus?
#wskbd*		at jmcu?

# GPIO controller
sagpio0		at saip? addr 0x90040000 

# Jornada ts
#jts0		at jmcu?
#wsmouse*	at jts?

#pseudo-device	crypto		1