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/* $OpenBSD: obio.c,v 1.5 2009/09/06 20:09:34 kettenis Exp $ */
/*
* Copyright (c) 2008 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <dev/ofw/openfirm.h>
int obio_match(struct device *, void *, void *);
void obio_attach(struct device *, struct device *, void *);
struct cfattach obio_ca = {
sizeof(struct device), obio_match, obio_attach
};
struct cfdriver obio_cd = {
NULL, "obio", DV_DULL
};
int obio_print(void *, const char *);
int
obio_match(struct device *parent, void *cfdata, void *aux)
{
struct mainbus_attach_args *ma = aux;
char buf[32];
if (OF_getprop(ma->ma_node, "device_type", buf, sizeof(buf)) <= 0)
return (0);
if (strcmp(buf, "soc") == 0)
return (1);
return (0);
}
void
obio_attach(struct device *parent, struct device *self, void *aux)
{
struct mainbus_attach_args *ma = aux;
struct obio_attach_args oa;
char name[32];
int node;
printf("\n");
for (node = OF_child(ma->ma_node); node != 0; node = OF_peer(node)) {
int reg, ivec;
if (OF_getprop(node, "name", name, sizeof(name)) <= 0)
continue;
if (OF_getprop(node, "reg", ®, sizeof(reg)) <= 0)
reg = 0;
if (OF_getprop(node, "interrupts", &ivec, sizeof(ivec)) <= 0)
ivec = -1;
bzero(&oa, sizeof oa);
oa.oa_iot = ma->ma_iot;
oa.oa_dmat = ma->ma_dmat;
oa.oa_name = name;
oa.oa_node = node;
oa.oa_offset = reg;
oa.oa_ivec = ivec;
config_found(self, &oa, obio_print);
}
}
int
obio_print(void *aux, const char *name)
{
struct obio_attach_args *oa = aux;
if (name)
printf("\"%s\" at %s", oa->oa_name, name);
if (oa->oa_offset)
printf(" offset 0x%05x", oa->oa_offset);
if (oa->oa_ivec != -1)
printf(" ivec %d", oa->oa_ivec);
return (UNCONF);
}
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