NetBSD/sys/arch/acorn32/eb7500atx/rsbus.c

107 lines
3.1 KiB
C

/* $NetBSD: rsbus.c,v 1.9 2011/07/19 15:59:52 dyoung Exp $ */
/*
* Copyright (c) 2002
* Ichiro FUKUHARA <ichiro@ichiro.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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD 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>
__KERNEL_RCSID(0, "$NetBSD: rsbus.c,v 1.9 2011/07/19 15:59:52 dyoung Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <acorn32/eb7500atx/rsbus.h>
#include "locators.h"
extern struct bus_space rsbus_bs_tag;
/* Declare prototypes */
static int rsbus_match(device_t, cfdata_t, void *);
static void rsbus_attach(device_t, device_t, void *);
static int rsbus_print(void *, const char *);
static int rsbus_search(device_t, cfdata_t,
const int *, void *);
CFATTACH_DECL(rsbus, sizeof(struct rsbus_softc),
rsbus_match, rsbus_attach, NULL, NULL);
static int
rsbus_match(device_t parent, cfdata_t cf, void *aux)
{
return(1);
}
static void
rsbus_attach(device_t parent, device_t self, void *aux)
{
struct rsbus_softc *sc = device_private(self);
sc->sc_iot = &rsbus_bs_tag;
printf("\n");
/*
* Attach each devices
*/
config_search_ia(rsbus_search, self, "rsbus", NULL);
}
static int
rsbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
struct rsbus_softc *sc = device_private(parent);
struct rsbus_attach_args sa;
sa.sa_iot = sc->sc_iot;
sa.sa_addr = cf->cf_loc[RSBUSCF_ADDR];
sa.sa_size = cf->cf_loc[RSBUSCF_SIZE];
sa.sa_intr = cf->cf_loc[RSBUSCF_IRQ];
if (config_match(parent, cf, &sa) > 0)
config_attach(parent, cf, &sa, rsbus_print);
return (0);
}
static int
rsbus_print(void *aux, const char *name)
{
struct rsbus_attach_args *sa = aux;
if (sa->sa_size)
aprint_normal(" addr 0x%lx", sa->sa_addr);
if (sa->sa_size > 1)
aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1);
if (sa->sa_intr > 1)
aprint_normal(" irq %d", sa->sa_intr);
return (UNCONF);
}