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ebus sio(4) attachment.

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Submitted by:	tmm
This commit is contained in:
David E. O'Brien 2002-06-18 01:19:31 +00:00
parent 97f9c29ef3
commit b22bb3c911
1 changed files with 113 additions and 0 deletions
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sys/dev/sio/sio_ebus.c Normal file
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/*-
* Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
* 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 CONTRIBUTORS 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 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 <sys/cdefs.h>
__FBSDID($FreeBSD$);
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/timepps.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <dev/sio/siovar.h>
#include <ofw/openfirm.h>
#include <sparc64/ebus/ebusvar.h>
int sio_ofw_inlist __P((char *name, char *list[]));
static int sio_ebus_attach __P((device_t dev));
static int sio_ebus_probe __P((device_t dev));
static device_method_t sio_ebus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sio_ebus_probe),
DEVMETHOD(device_attach, sio_ebus_attach),
{ 0, 0 }
};
static driver_t sio_ebus_driver = {
sio_driver_name,
sio_ebus_methods,
0,
};
DRIVER_MODULE(sio, ebus, sio_ebus_driver, sio_devclass, 0, 0);
/* Needed for EBus attach and sparc64 console support */
char *sio_ofw_names[] = {
"serial",
"su",
"su_pnp",
NULL
};
char *sio_ofw_compat[] = {
"su",
"su16550",
NULL
};
int
sio_ofw_inlist(name, list)
char *name;
char *list[];
{
int i;
if (name == NULL)
return (0);
for (i = 0; list[i] != NULL; i++) {
if (strcmp(name, list[i]) == 0)
return (1);
}
return (0);
}
static int
sio_ebus_probe(dev)
device_t dev;
{
char *n;
n = ebus_get_name(dev);
if (!sio_ofw_inlist(n, sio_ofw_names) && (strcmp(n, "serial") != 0 ||
!sio_ofw_inlist(ebus_get_compat(dev), sio_ofw_compat)))
return (ENXIO);
/* Do not probe IRQ - isa_irq_pending() does not work for ebus. */
return (sioprobe(dev, 0, 0UL, 1));
}
static int
sio_ebus_attach(dev)
device_t dev;
{
return (sioattach(dev, 0, 0UL));
}