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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: pcic_pci_machdep.c,v 1.4 2006/09/19 11:06:34 jsg Exp $ */
/*	$NetBSD: pcic_pci_machdep.c,v 1.1 1998/12/20 17:53:29 nathanw Exp $	*/

/*
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * 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 by the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>

#include <dev/pcmcia/pcmciachip.h>
#include <dev/ic/i82365reg.h>
#include <dev/ic/i82365var.h>

#include <dev/isa/isavar.h>
#include <dev/isa/i82365_isavar.h>

#include <dev/pci/pcivar.h>
#include <dev/pci/i82365_pcivar.h>

void *
pcic_pci_machdep_intr_est(pci_chipset_tag_t pc)
{
	return NULL;
}

void *
pcic_pci_machdep_pcic_intr_establish(struct pcic_softc *sc, int (*fct)(void *))
{
	if (isa_intr_alloc(NULL, PCIC_CSC_INTR_IRQ_VALIDMASK & 0xffff,
			   IST_EDGE, &(sc->irq)))
		return (NULL);
	printf("%s: interrupting at irq %d\n", sc->dev.dv_xname, sc->irq);
	return (isa_intr_establish(NULL, sc->irq, IST_EDGE, IPL_TTY,
				   fct, sc, sc->dev.dv_xname));
}

void *
pcic_pci_machdep_chip_intr_establish(pcmcia_chipset_handle_t pch,
    struct pcmcia_function *pf, int ipl, int (*fct)(void *), void *arg,
    char *xname)
{
	return (pcic_isa_chip_intr_establish(pch, pf, ipl, fct, arg, xname));
}

void
pcic_pci_machdep_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
{
	pcic_isa_chip_intr_disestablish(pch, ih);
}