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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 obio_attach __P((struct device *, struct device *, void *));
static int obio_match __P((struct device *, void *, void *));
static int obio_print __P((void *, const char *));
struct obio_softc {
struct device sc_dev;
int sc_node;
struct ppc_bus_space sc_membus_space;
};
struct cfdriver obio_cd = {
NULL, "macobio", DV_DULL,
};
struct cfattach obio_ca = {
sizeof(struct obio_softc), obio_match, obio_attach
};
int
obio_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" */
return 1;
}
return 0;
}
#define HEATHROW_FCR_OFFSET 0x38
u_int32_t *heathrow_FCR = NULL;
void prog_switch (void *arg)
{
Debugger();
}
/*
* Attach all the sub-devices we can find
*/
void
obio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct obio_softc *sc = (struct obio_softc *)self;
struct pci_attach_args *pa = aux;
struct confargs ca;
int node, child, namelen;
u_int32_t reg[20];
int32_t intr[5];
char name[32];
printf("obio ver %x\n", (PCI_PRODUCT(pa->pa_id)));
switch (PCI_PRODUCT(pa->pa_id)) {
/* XXX should not use name */
case 0x02:
node = OF_finddevice("/bandit/gc");
break;
case 0x07:
node = OF_finddevice("/bandit/ohare");
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);
printf("heathrow fcr, %x\n", heathrow_FCR);
}
break;
default:
printf("obio_attach: unknown obio 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;
{
extern u_int32_t *interrupt_reg;
/* OK THIS IS AN UGLY HACK */
void mac_do_pending_int();
void mac_ext_intr();
typedef void (void_f) (void);
extern void_f *pending_int_f;
interrupt_reg = (void*)ca.ca_baseaddr;
install_extint(mac_ext_intr);
pending_int_f = mac_do_pending_int;
mac_intr_establish(0x14, IST_LEVEL, IPL_HIGH,
prog_switch, 0x14);
}
sc->sc_membus_space.bus_reverse = 1;
ca.ca_iot = &sc->sc_membus_space;
printf(": addr 0x%x\n", ca.ca_baseaddr);
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, obio_print);
}
}
int
obio_print(aux, obio)
void *aux;
const char *obio;
{
struct confargs *ca = aux;
if (obio)
printf("%s at %s", ca->ca_name, obio);
if (ca->ca_nreg > 0)
printf(" offset 0x%x", ca->ca_reg[0]);
return UNCONF;
}
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