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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: autoconf.h,v 1.22 2007/05/27 16:36:07 kettenis Exp $	*/

/*
 * Copyright (c) 1998-2004 Michael Shalayeff
 * 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.
 *
 * 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 OR HIS RELATIVES 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 MIND, 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 <machine/bus.h>
#include <machine/pdc.h>

struct confargs {
	const char	*ca_name;	/* device name/description */
	bus_space_tag_t	ca_iot;		/* io tag */
	bus_dma_tag_t	ca_dmatag;	/* DMA tag */
	struct device_path ca_dp;	/* device_path as found by pdc_scan */
	hppa_hpa_t	ca_hpa;		/* module HPA */
	u_int		ca_hpasz;	/* module HPA size (if avail) */
	hppa_hpa_t	ca_hpamask;	/* mask for modules on the bus */
	int		ca_irq;		/* module IRQ */
	struct iodc_data ca_type;	/* iodc-specific type descrition */
	struct pdc_iodc_read *ca_pdc_iodc_read;
	int		ca_naddrs;	/* number of valid addr ents */
	struct {
		hppa_hpa_t addr;
		u_int	size;
	}		ca_addrs[16];	/* 16 is ought to be enough */

}; 

#define	hppacf_off	cf_loc[0]
#define	hppacf_irq	cf_loc[1]

/* this is used for hppa_knownmodules table
 * describing known to this port modules,
 * system boards, cpus, fpus and busses
 */
struct hppa_mod_info {
	int	mi_type;
	int	mi_sv;
	const char *mi_name;
};

extern void (*cold_hook)(int);
#define	HPPA_COLD_COLD	0
#define	HPPA_COLD_HOT	1   
#define	HPPA_COLD_OFF	2

struct device;

const char *hppa_mod_info(int, int);
void	pdc_scanbus(struct device *, struct confargs *, int, hppa_hpa_t hpa);
int	mbprint(void *, const char *);
int	mbsubmatch(struct device *, void *, void *);
int	cpu_intr_findirq(void);
void	*cpu_intr_map(void *v, int pri, int irq, int (*handler)(void *),
	    void *arg, const char *name);
void	*cpu_intr_establish(int pri, int irq, int (*handler)(void *),
	    void *arg, const char *name);
int	clock_intr(void *);

void	dumpconf(void);