xref: /src/sys/arch/shark/ofw/cpu_ofbus.c

/*	$NetBSD: cpu_ofbus.c,v 1.8 2011/06/05 17:03:18 matt Exp $	*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cpu_ofbus.c,v 1.8 2011/06/05 17:03:18 matt Exp $");

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

#include <machine/cpu.h>

#include <dev/ofw/openfirm.h>

/*
 * int cpu_ofbus_match(device_t parent, cfdata_t cf, void *aux)
 *
 * Probe for the main cpu. Currently all this does is return 1 to
 * indicate that the cpu was found.
 */

static int
cpu_ofbus_match(device_t parent, cfdata_t cf, void *aux)
{
	struct ofbus_attach_args *aa = aux;
	char buf[32];

	if (OF_getprop(aa->oba_phandle, "device_type", buf, sizeof(buf)) < 0)
		return (0);
	if (strcmp("cpu", buf))
		return (0);
	return(1);
}

/*
 * void cpu_ofbus_attach(device_t parent, device_t dev, void *aux)
 *
 * Attach the main cpu
 */

static void
cpu_ofbus_attach(device_t parent, device_t self, void *aux)
{
	cpu_attach(self);
}

CFATTACH_DECL_NEW(cpu_ofbus, 0,
    cpu_ofbus_match, cpu_ofbus_attach, NULL, NULL);