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/* $OpenBSD: gecko.c,v 1.1 2008/04/27 14:39:51 kettenis Exp $ */
/*
* Copyright (c) 2007 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/device.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/iomod.h>
#include <machine/pdc.h>
#include <hppa/dev/cpudevs.h>
struct gecko_softc {
struct device sc_dv;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
};
int gecko_match(struct device *, void *, void *);
void gecko_attach(struct device *, struct device *, void *);
struct cfattach gecko_ca = {
sizeof(struct gecko_softc), gecko_match, gecko_attach
};
struct cfdriver gecko_cd = {
NULL, "gecko", DV_DULL
};
int
gecko_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
if (ca->ca_type.iodc_type != HPPA_TYPE_BCPORT ||
ca->ca_type.iodc_sv_model != HPPA_BCPORT_PORT)
return (0);
if (ca->ca_type.iodc_model == 0x50 &&
ca->ca_type.iodc_revision == 0x00)
return (1);
return (0);
}
void
gecko_attach(struct device *parent, struct device *self, void *aux)
{
struct gecko_softc *sc = (struct gecko_softc *)self;
struct confargs *ca = aux, nca;
bus_space_handle_t ioh;
volatile struct iomod *regs;
sc->sc_iot = ca->ca_iot;
if (bus_space_map(sc->sc_iot, ca->ca_hpa, IOMOD_HPASIZE, 0,
&sc->sc_ioh)) {
printf(": can't map IO space\n");
return;
}
regs = bus_space_vaddr(ca->ca_iot, ioh);
#if 1
printf(": %x-%x", regs->io_io_low, regs->io_io_high);
#endif
printf("\n");
nca = *ca;
nca.ca_hpamask = HPPA_IOBEGIN;
pdc_scanbus(self, &nca, MAXMODBUS, regs->io_io_low);
}
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