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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: pxammcvar.h,v 1.1 2007/03/18 20:53:10 uwe Exp $	*/

/*
 * Copyright (c) 2007 Uwe Stuehler <uwe@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <machine/bus.h>

struct pxammc_tag {
	void *cookie;
	u_int32_t (*get_ocr)(void *);
	int (*set_power)(void *, u_int32_t);
};

struct pxammc_softc {
	struct device sc_dev;		/* base device */
	struct pxammc_tag tag;		/* attachment driver functions */
	bus_space_tag_t sc_iot;		/* register space tag */
	bus_space_handle_t sc_ioh;	/* register space handle */
	struct device *sc_sdmmc;	/* generic sdmmc bus device */
	void *sc_card_ih;		/* card interrupt handle */
	void *sc_ih;			/* MMC interrupt handle */
	int sc_flags;			/* driver state flags */
#define PMF_CARD_INITED	0x0001		/* card init sequence sent */
	int sc_clkdiv;			/* current clock divider */
	struct sdmmc_command * volatile sc_cmd;	/* command in progress */
};

int	pxammc_match(void);
void	pxammc_attach(struct pxammc_softc *, void *);