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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: grfreg.h,v 1.2 2006/08/17 06:31:10 miod Exp $	*/
/*	$NetBSD: grfreg.h,v 1.2 1994/10/26 07:24:09 cgd Exp $	*/

/*
 * Copyright (c) 1991 University of Utah.
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * 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. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 * from: Utah $Hdr: grfreg.h 1.6 92/01/31$
 *
 *	@(#)grfreg.h	8.1 (Berkeley) 6/10/93
 */

/* 300 bitmapped display hardware primary id */
#define GRFHWID		0x39

/* 300 internal bitmapped display address */
#define GRFIADDR	0x560000

/* 300 hardware secondary ids */
#define GID_GATORBOX	1
#define	GID_TOPCAT	2
#define GID_RENAISSANCE	4
#define GID_LRCATSEYE	5
#define GID_HRCCATSEYE	6
#define GID_HRMCATSEYE	7
#define GID_DAVINCI	8
#define GID_XXXCATSEYE	9
#define GID_XGENESIS   11
#define GID_TIGER      12
#define GID_YGENESIS   13
#define GID_HYPERION   14
#define	GID_STI        42/* any value which is not a dio frame buffer, really */

typedef unsigned char	grftype;

struct	grfreg {
	grftype	gr_pad0,
		gr_id,		/* +0x01 */
		gr_pad1[0x3],
		gr_fbwidth_h,	/* +0x05 */
		gr_pad2,
		gr_fbwidth_l,	/* +0x07 */
		gr_pad3,
		gr_fbheight_h,	/* +0x09 */
		gr_pad4,
		gr_fbheight_l,	/* +0x0B */
		gr_pad5,
		gr_dwidth_h,	/* +0x0D */
		gr_pad6,
		gr_dwidth_l,	/* +0x0F */
		gr_pad7,
		gr_dheight_h,	/* +0x11 */
		gr_pad8,
		gr_dheight_l,	/* +0x13 */
		gr_pad9,
		gr_id2,		/* +0x15 */
		gr_pad10[0x47],
		gr_fbomsb,	/* +0x5d */
		gr_pad11,
		gr_fbolsb;	/* +0x5f */
};