xref: /freebsd-11-stable/sys/dev/bhnd/cores/chipc/chipc_cfi.c

/*-
 * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com>
 * 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,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/conf.h>

#include <machine/bus.h>

#include <dev/cfi/cfi_var.h>

#include "bhnd_chipc_if.h"

#include "chipcreg.h"
#include "chipcvar.h"
#include "chipc_slicer.h"

static int
chipc_cfi_probe(device_t dev)
{
	struct cfi_softc	*sc;
	int			error;

	sc = device_get_softc(dev);

	sc->sc_width = 0;
	if ((error = cfi_probe(dev)) > 0)
		return (error);

	device_set_desc(dev, "Broadcom ChipCommon CFI");
	return (error);
}

static int
chipc_cfi_attach(device_t dev)
{
	chipc_register_slicer(CHIPC_PFLASH_CFI);
	return (cfi_attach(dev));
}

static device_method_t chipc_cfi_methods[] = {
	/* device interface */
	DEVMETHOD(device_probe,		chipc_cfi_probe),
	DEVMETHOD(device_attach,	chipc_cfi_attach),
	DEVMETHOD(device_detach,	cfi_detach),

	{0, 0}
};

static driver_t chipc_cfi_driver = {
	cfi_driver_name,
	chipc_cfi_methods,
	sizeof(struct cfi_softc),
};

DRIVER_MODULE(cfi, bhnd_chipc, chipc_cfi_driver, cfi_devclass, 0, 0);