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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: TODO,v 1.2 1997/02/24 14:30:49 niklas Exp $
#	$NetBSD: TODO,v 1.4 1994/07/19 11:34:48 mycroft Exp $

 1) should understand "older", original High Sierra ("CDROM001") type

   Not yet. ( I don't have this technical information, yet. )

 2) should understand Rock Ridge

   Yes, we have follows function.

       o Symbolic Link
       o Real Name(long name)
       o File Attribute 
       o Time stamp
       o uid, gid
       o Devices
       o Relocated directories

   Except follows:

       o POSIX device number mapping

         There is some preliminary stuff in there that (ab-)uses the mknod
         system call, but this needs a writable filesystem
         
 5) should have name translation enabled by mount flag

   Yes. we can disable the Rock Ridge Extension by follows option;

      "mount -t isofs -o -norrip /dev/cd0d /cdrom"

 6) should run as a user process, and not take up kernel space (cdroms
    are slow)

   Not yet.

 7) ECMA support.

   Not yet. we need not only a technical spec but also ECMA format
   cd-rom itself!

 8) Character set change by SVD ( multi SVD support )

   Not yet. We should also hack the other part of system as 8 bit
   clean. As far as I know, if you export the cdrom by NFS, the client
   can access the 8 bit clean (ie. Solaris Japanese with EUC code )