freebsd-skq/sys/dev/puc/puc_sbus.c
Marcel Moolenaar 2554d6b9b4 Revert rev. 1.5.
It should be safe to attach to all Z8530 controllers again. In fact,
the keyboard works on Ultra 2 machines.

MFC after: 5 days
2005-01-31 04:25:48 +00:00

103 lines
3.1 KiB
C

/*-
* Copyright (c) 2003 Marcel Moolenaar
* 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 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 "opt_puc.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <dev/ofw/ofw_bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#define PUC_ENTRAILS 1
#include <dev/puc/pucvar.h>
static int
puc_sbus_probe(device_t dev)
{
const char *nm;
nm = ofw_bus_get_name(dev);
if (!strcmp(nm, "zs")) {
device_set_desc(dev, "Zilog Z8530 dual channel SCC");
return (0);
}
return (ENXIO);
}
static int
puc_sbus_attach(device_t dev)
{
struct puc_device_description dd;
int i;
bzero(&dd, sizeof(dd));
dd.name = device_get_desc(dev);
for (i = 0; i < 2; i++) {
dd.ports[i].type = PUC_PORT_TYPE_UART | PUC_PORT_UART_Z8530;
dd.ports[i].bar = 0;
dd.ports[i].offset = 4 - 4 * i;
dd.ports[i].serialfreq = 0;
dd.ports[i].flags = PUC_FLAGS_MEMORY;
dd.ports[i].regshft = 1;
}
return (puc_attach(dev, &dd));
}
static device_method_t puc_sbus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, puc_sbus_probe),
DEVMETHOD(device_attach, puc_sbus_attach),
DEVMETHOD(bus_alloc_resource, puc_alloc_resource),
DEVMETHOD(bus_release_resource, puc_release_resource),
DEVMETHOD(bus_get_resource, puc_get_resource),
DEVMETHOD(bus_read_ivar, puc_read_ivar),
DEVMETHOD(bus_setup_intr, puc_setup_intr),
DEVMETHOD(bus_teardown_intr, puc_teardown_intr),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t puc_sbus_driver = {
"puc",
puc_sbus_methods,
sizeof(struct puc_softc),
};
DRIVER_MODULE(puc, sbus, puc_sbus_driver, puc_devclass, 0, 0);