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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: uvax.h,v 1.5 2002/09/21 13:42:43 hugh Exp $ */
/*	$NetBSD: uvax.h,v 1.5 1999/02/02 18:37:22 ragge Exp $ */
/*
 * Copyright (c) 2002 Hugh Graham.
 * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
 * All rights reserved.
 *
 * This code is derived from software contributed to Ludd by Bertram Barth.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed at Ludd, University of 
 *      Lule}, Sweden and its contributors.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _VAX_UVAX_H_
#define _VAX_UVAX_H_

/*
 * Generic definitions common on all MicroVAXen clock chip.
 */
#define	uVAX_CLKVRT	0200
#define	uVAX_CLKUIP	0200
#define	uVAX_CLKRATE	040
#define	uVAX_CLKENABLE	06
#define	uVAX_CLKSET	0206

/* cpmbx bits  */
#define	uVAX_CLKHLTACT	03

/* halt action values */
#define	uVAX_CLKRESTRT	01
#define	uVAX_CLKREBOOT	02
#define	uVAX_CLKHALT	03

/* in progress flags */
#define	uVAX_CLKBOOT	04
#define	uVAX_CLKRSTRT	010
#define	uVAX_CLKLANG	0360

/*
 * Miscellaneous registers common on most VAXststions.
 */
struct vs_cpu {
        u_long  vc_hltcod;      /* Halt Code Register */
        u_long  vc_410mser;	/* VS2K */
        u_long  vc_410cear;	/* VS2K */
	u_char	vc_intmsk;	/* Interrupt mask register */
	u_char	vc_vdcorg;	/* Mono display origin */
	u_char	vc_vdcsel;	/* Video interrupt select */
	u_char	vc_intreq;	/* Interrupt request register */
#define	vc_intclr vc_intreq
        u_short vc_diagdsp;     /* Diagnostic display register */
        u_short pad4;
        u_long  vc_parctl;      /* Parity Control Register */
#define	vc_bwf0	vc_parctl
        u_short pad5;
        u_short pad6;
        u_short vc_diagtimu;	/* usecond timer KA46 */
        u_short vc_diagtme;     /* Diagnostic time register */
#define	vc_diagtimm vc_diagtme	/* msecond time KA46 */
};
#define	PARCTL_DMA	0x1000000
#define	PARCTL_CPEN	2
#define	PARCTL_DPEN	1

/*
 * Console Mailbox layout common to several models.
 */

struct cpmbx {
	unsigned int mbox_halt:2;	/* mailbox halt action */
	unsigned int mbox_bip:1;	/* bootstrap in progress */
	unsigned int mbox_rip:1;	/* restart in progress */
	unsigned int mbox_lang:4;	/* language info */
	unsigned int terminal:8;	/* terminal info */
	unsigned int keyboard:8;	/* keyboard info */
	unsigned int user_four:4;	/* unknown */
	unsigned int user_halt:3;	/* user halt action */
	unsigned int user_one:1;	/* unknown */
};

extern struct cpmbx *cpmbx;

void	generic_halt(void);
void	generic_reboot(int);

#define	MHALT_RESTART_REBOOT	0
#define	MHALT_RESTART		1
#define	MHALT_REBOOT		2
#define	MHALT_HALT		3

#define	UHALT_DEFAULT		0
#define	UHALT_RESTART		1
#define	UHALT_REBOOT		2
#define	UHALT_HALT		3
#define	UHALT_RESTART_REBOOT	4

#endif