97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/* $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 <sys/bus.h>
|
|
#include <machine/cpu.h>
|
|
#include <machine/iomod.h>
|
|
#include <machine/pdc.h>
|
|
|
|
#include <hppa/dev/cpudevs.h>
|
|
|
|
struct gecko_softc {
|
|
device_t sc_dv;
|
|
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
};
|
|
|
|
int gecko_match(device_t, cfdata_t, void *);
|
|
void gecko_attach(device_t, device_t, void *);
|
|
static device_t gecko_callback(device_t, struct confargs *);
|
|
|
|
CFATTACH_DECL_NEW(gecko, sizeof(struct gecko_softc), gecko_match,
|
|
gecko_attach, NULL, NULL);
|
|
|
|
int
|
|
gecko_match(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct gecko_softc *sc = device_private(self);
|
|
struct confargs *ca = aux, nca;
|
|
volatile struct iomod *regs;
|
|
|
|
sc->sc_dv = self;
|
|
sc->sc_iot = ca->ca_iot;
|
|
if (bus_space_map(sc->sc_iot, ca->ca_hpa, IOMOD_HPASIZE, 0,
|
|
&sc->sc_ioh)) {
|
|
aprint_error(": can't map IO space\n");
|
|
return;
|
|
}
|
|
regs = bus_space_vaddr(ca->ca_iot, sc->sc_ioh);
|
|
|
|
aprint_verbose(": %x-%x", regs->io_io_low, regs->io_io_high);
|
|
|
|
aprint_normal("\n");
|
|
|
|
nca = *ca;
|
|
nca.ca_hpabase = regs->io_io_low;
|
|
nca.ca_nmodules = MAXMODBUS;
|
|
|
|
pdc_scanbus(self, &nca, gecko_callback);
|
|
}
|
|
|
|
static device_t
|
|
gecko_callback(device_t self, struct confargs *ca)
|
|
{
|
|
|
|
return config_found_sm_loc(self, "gedoens", NULL, ca, mbprint,
|
|
mbsubmatch);
|
|
}
|
|
|