NetBSD/sys/arch/arm32/mainbus/mainbus.c

143 lines
3.8 KiB
C

/* $NetBSD: mainbus.c,v 1.8 1997/01/26 01:41:01 mark Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
*
* RiscBSD kernel project
*
* mainbus.c
*
* mainbus configuration
*
* Created : 15/12/94
* Last updated : 03/07/95
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/io.h>
#include <machine/bus.h>
#include <arm32/mainbus/mainbus.h>
extern struct bus_space mainbus_bs_tag;
int mainbusmatch __P((struct device *, void *, void *));
void mainbusattach __P((struct device *, struct device *, void *));
int mainbusprint __P((void *aux, const char *mainbus));
void mainbusscan __P((struct device *parent, void *match));
struct cfattach mainbus_ca = {
sizeof(struct device), mainbusmatch, mainbusattach
};
struct cfdriver mainbus_cd = {
NULL, "mainbus", DV_DULL, 1
};
int
mainbusmatch(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
return (1);
}
int
mainbusprint(aux, mainbus)
void *aux;
const char *mainbus;
{
struct mainbus_attach_args *mb = aux;
if (mb->mb_iobase)
printf(" base 0x%x", mb->mb_iobase);
if (mb->mb_iosize > 1)
printf("-0x%x", mb->mb_iobase + mb->mb_iosize - 1);
if (mb->mb_irq != -1)
printf(" irq %d", mb->mb_irq);
if (mb->mb_drq != -1)
printf(" drq 0x%08x", mb->mb_drq);
/* XXXX print flags */
return (QUIET);
}
void
mainbusscan(parent, match)
struct device *parent;
void *match;
{
struct device *dev = match;
struct cfdata *cf = dev->dv_cfdata;
struct mainbus_attach_args mb;
if (cf->cf_fstate == FSTATE_STAR)
panic("eekkk, I'm stuffed");
if (cf->cf_loc[0] == -1) {
mb.mb_iobase = 0;
mb.mb_iosize = 0;
mb.mb_drq = -1;
mb.mb_irq = -1;
} else {
mb.mb_iobase = cf->cf_loc[0] + IO_CONF_BASE;
mb.mb_iosize = 0;
mb.mb_drq = cf->cf_loc[1];
mb.mb_irq = cf->cf_loc[2];
}
mb.mb_iot = &mainbus_bs_tag;
if ((*cf->cf_attach->ca_match)(parent, dev, &mb) > 0)
config_attach(parent, dev, &mb, mainbusprint);
else
free(dev, M_DEVBUF);
}
void
mainbusattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
printf("\n");
config_scan(mainbusscan, self);
}
/* End of mainbus.c */