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/* $NetBSD: obio.c,v 1.6 1999/05/01 10:36:08 tsubai Exp $ */
/*-
* Copyright (C) 1998 Internet Research Institute, Inc.
* 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
* Internet Research Institute, Inc.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
static void macobio_attach __P((struct device *, struct device *, void *));
static int macobio_match __P((struct device *, void *, void *));
static int macobio_print __P((void *, const char *));
struct macobio_softc {
struct device sc_dev;
int sc_node;
struct ppc_bus_space sc_membus_space;
};
struct cfdriver macobio_cd = {
NULL, "macobio", DV_DULL,
};
struct cfattach macobio_ca = {
sizeof(struct macobio_softc), macobio_match, macobio_attach
};
int
macobio_match(parent, cf, aux)
struct device *parent;
void *cf;
void *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE)
switch (PCI_PRODUCT(pa->pa_id)) {
case 0x02: /* gc */
case 0x07: /* ohare */
case 0x10: /* mac-io "Heathrow" */
case 0x17: /* mac-io "Paddington" */
case 0x22: /* mac-io "Keylargo" */
return 1;
}
return 0;
}
#define HEATHROW_FCR_OFFSET 0x38
u_int32_t *heathrow_FCR = NULL;
/*
* Attach all the sub-devices we can find
*/
void
macobio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct macobio_softc *sc = (struct macobio_softc *)self;
struct pci_attach_args *pa = aux;
struct confargs ca;
int node, child, namelen;
u_int32_t reg[20];
int32_t intr[8];
char name[32];
int need_interrupt_controller = 0;
switch (PCI_PRODUCT(pa->pa_id)) {
/* XXX should not use name */
case 0x02:
node = OF_finddevice("/bandit/gc");
need_interrupt_controller = 1;
break;
case 0x07:
node = OF_finddevice("/bandit/ohare");
need_interrupt_controller = 1;
break;
case 0x10: /* heathrow */
case 0x17: /* paddington */
node = OF_finddevice("mac-io");
if (node == -1)
node = OF_finddevice("/pci/mac-io");
if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg))
== (sizeof (reg[0]) * 5))
{
/* always ??? */
heathrow_FCR = mapiodev(reg[2] + HEATHROW_FCR_OFFSET,
4);
}
break;
case 0x22: /* keylargo */
node = OF_finddevice("mac-io");
if (node == -1)
node = OF_finddevice("/pci/mac-io");
break;
default:
printf(": unknown macobio controller\n");
return;
}
sc->sc_node = node;
if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
return;
ca.ca_baseaddr = reg[2];
sc->sc_membus_space.bus_base = ca.ca_baseaddr;
sc->sc_membus_space.bus_reverse = 1;
ca.ca_iot = &sc->sc_membus_space;
printf("\n");
/*
* This might be a hack, but it makes the interrupt controller
* attach as expected if a device node existed in the OF tree.
*/
if (need_interrupt_controller) {
/* force attachment of legacy interrupt controllers */
ca.ca_name = "legacy-interrupt-controller";
ca.ca_node = 0;
ca.ca_nreg = 0;
ca.ca_nintr = 0;
ca.ca_reg = 0;
ca.ca_intr = 0;
config_found(self, &ca, macobio_print);
}
for (child = OF_child(node); child; child = OF_peer(child)) {
namelen = OF_getprop(child, "name", name, sizeof(name));
if (namelen < 0)
continue;
if (namelen >= sizeof(name))
continue;
name[namelen] = 0;
ca.ca_name = name;
ca.ca_node = child;
ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
sizeof(intr));
if (ca.ca_nintr == -1)
ca.ca_nintr = OF_getprop(child, "interrupts", intr,
sizeof(intr));
ca.ca_reg = reg;
ca.ca_intr = intr;
config_found(self, &ca, macobio_print);
}
}
int
macobio_print(aux, macobio)
void *aux;
const char *macobio;
{
#ifdef MACOBIOVERBOSE
struct confargs *ca = aux;
if (macobio)
printf("%s at %s", ca->ca_name, macobio);
if (ca->ca_nreg > 0)
printf(" offset 0x%x", ca->ca_reg[0]);
return UNCONF;
#else
return QUIET;
#endif
}
void *
undef_mac_establish(lcv, irq, type, level, ih_fun, ih_arg, name)
void * lcv;
int irq;
int type;
int level;
int (*ih_fun) __P((void *));
void *ih_arg;
char *name;
{
printf("mac_intr_establish called, not yet inited\n");
return 0;
}
void
mac_intr_disestab(lcp, arg)
void *lcp;
void *arg;
{
printf("mac_intr_disestablish called, not yet inited\n");
}
intr_establish_t *mac_intr_establish_func = undef_mac_establish;
intr_disestablish_t *mac_intr_disestablish_func = mac_intr_disestab;
void *
mac_intr_establish(lcv, irq, type, level, ih_fun, ih_arg, name)
void * lcv;
int irq;
int type;
int level;
int (*ih_fun) __P((void *));
void *ih_arg;
char *name;
{
return (*mac_intr_establish_func)(lcv, irq, type, level, ih_fun,
ih_arg, name);
}
void
mac_intr_disestablish(lcp, arg)
void *lcp;
void *arg;
{
(*mac_intr_disestablish_func)(lcp, arg);
}
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