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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: scsi_debug.h,v 1.8 2004/01/25 00:09:20 krw Exp $	*/
/*	$NetBSD: scsi_debug.h,v 1.7 1996/10/12 23:23:16 christos Exp $	*/

/*
 * Written by Julian Elischer (julian@tfs.com)
 */
#ifndef	_SCSI_SCSI_DEBUG_H
#define _SCSI_SCSI_DEBUG_H 1

/*
 * These are the new debug bits.  (Sat Oct  2 12:46:46 WST 1993)
 * the following DEBUG bits are defined to exist in the flags word of
 * the scsi_link structure.
 */
#define	SDEV_DB1		0x0010	/* scsi commands, errors, data	*/ 
#define	SDEV_DB2		0x0020	/* routine flow tracking */
#define	SDEV_DB3		0x0040	/* internal to routine flows	*/
#define	SDEV_DB4		0x0080	/* level 4 debugging for this dev */

/* targets and LUNs we want to debug */
#ifndef SCSIDEBUG_BUSES
#define SCSIDEBUG_BUSES		0
#endif
#ifndef SCSIDEBUG_TARGETS
#define	SCSIDEBUG_TARGETS	0
#endif
#ifndef SCSIDEBUG_LUNS
#define	SCSIDEBUG_LUNS		0
#endif
#ifndef SCSIDEBUG_LEVEL
#define	SCSIDEBUG_LEVEL		(SDEV_DB1|SDEV_DB2)
#endif


extern int scsidebug_buses, scsidebug_targets, scsidebug_luns, scsidebug_level;

/*
 * This is the usual debug macro for use with the above bits
 */
#ifdef	SCSIDEBUG
#define	SC_DEBUG(sc_link,Level,Printstuff) \
	if ((sc_link)->flags & (Level)) {	\
		sc_print_addr(sc_link);		\
 		printf Printstuff;		\
	}
#define	SC_DEBUGN(sc_link,Level,Printstuff) \
	if ((sc_link)->flags & (Level)) {	\
 		printf Printstuff;		\
	}
#else
#define SC_DEBUG(A,B,C)
#define SC_DEBUGN(A,B,C)
#endif

#endif /* _SCSI_SCSI_DEBUG_H */