NetBSD/sys/arch/mac68k/dev/if_ae_nubus.c

449 lines
11 KiB
C

/* $NetBSD: if_ae_nubus.c,v 1.12 1997/04/10 03:19:46 briggs Exp $ */
/*
* Copyright (C) 1997 Scott Reynolds
* 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 Scott Reynolds for
* the NetBSD Project.
* 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.
*/
/*
* Some parts are derived from code adapted for MacBSD by Brad Parker
* <brad@fcr.com>.
*
* Currently supports:
* Apple NB Ethernet Card
* Apple NB Ethernet Card II
* Interlan A310 NuBus Ethernet card
* Cayman Systems GatorCard
* Asante MacCon II/E
* Kinetics EtherPort SE/30
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_ether.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <machine/bus.h>
#include <machine/viareg.h>
#include "nubus.h"
#include <dev/ic/dp8390reg.h>
#include "if_aereg.h"
#include "if_aevar.h"
static int ae_nubus_match __P((struct device *, struct cfdata *, void *));
static void ae_nubus_attach __P((struct device *, struct device *, void *));
static int ae_nb_card_vendor __P((struct nubus_attach_args *));
static int ae_nb_get_enaddr __P((struct nubus_attach_args *, u_int8_t *));
#ifdef DEBUG
static void ae_nb_watchdog __P((struct ifnet *));
#endif
struct cfattach ae_nubus_ca = {
sizeof(struct ae_softc), ae_nubus_match, ae_nubus_attach
};
static int
ae_nubus_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
bus_space_handle_t bsh;
int rv;
if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE,
0, &bsh))
return (0);
rv = 0;
if (na->category == NUBUS_CATEGORY_NETWORK &&
na->type == NUBUS_TYPE_ETHERNET) {
switch (ae_nb_card_vendor(na)) {
case AE_VENDOR_APPLE:
case AE_VENDOR_ASANTE:
case AE_VENDOR_FARALLON:
case AE_VENDOR_INTERLAN:
case AE_VENDOR_KINETICS:
rv = 1;
break;
case AE_VENDOR_DAYNA:
case AE_VENDOR_FOCUS:
rv = UNSUPP;
break;
default:
break;
}
}
bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
return rv;
}
/*
* Install interface into kernel networking data structures
*/
static void
ae_nubus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ae_softc *sc = (struct ae_softc *) self;
struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
#ifdef DEBUG
struct ifnet *ifp = &sc->sc_ec.ec_if;
#endif
bus_space_tag_t bst;
bus_space_handle_t bsh;
int i, success;
u_int8_t myaddr[ETHER_ADDR_LEN];
bst = na->na_tag;
if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE,
0, &bsh)) {
printf(": can't map memory space\n");
return;
}
sc->sc_regt = sc->sc_buft = bst;
sc->sc_flags = self->dv_cfdata->cf_flags;
sc->use16bit = 1;
sc->vendor = ae_nb_card_vendor(na);
strncpy(sc->type_str, nubus_get_card_name(na->fmt),
INTERFACE_NAME_LEN);
sc->type_str[INTERFACE_NAME_LEN-1] = '\0';
sc->mem_size = 0;
success = 0;
switch (sc->vendor) {
case AE_VENDOR_APPLE: /* Apple-compatible cards */
case AE_VENDOR_ASANTE:
/* Map register offsets */
for (i = 0; i < 16; i++) /* reverse order, longword aligned */
sc->sc_reg_map[i] = (15 - i) << 2;
if (bus_space_subregion(bst, bsh,
AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) {
printf(": failed to map register space\n");
break;
}
if ((sc->mem_size = ae_size_card_memory(bst, bsh,
AE_DATA_OFFSET)) == 0) {
printf(": failed to determine size of RAM.\n");
break;
}
if (bus_space_subregion(bst, bsh,
AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) {
printf(": failed to map register space\n");
break;
}
#ifdef AE_OLD_GET_ENADDR
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
myaddr[i] =
bus_space_read_1(bst, bsh, (AE_ROM_OFFSET + i * 2));
#else
if (ae_nb_get_enaddr(na, myaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
success = 1;
break;
case AE_VENDOR_DAYNA:
/* Map register offsets */
for (i = 0; i < 16; i++) /* normal order, longword aligned */
sc->sc_reg_map[i] = i << 2;
if (bus_space_subregion(bst, bsh,
DP_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) {
printf(": failed to map register space\n");
break;
}
sc->mem_size = 8192;
if (bus_space_subregion(bst, bsh,
DP_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) {
printf(": failed to map register space\n");
break;
}
#ifdef AE_OLD_GET_ENADDR
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
myaddr[i] =
bus_space_read_1(bst, bsh, (DP_ROM_OFFSET + i * 2));
#else
if (ae_nb_get_enaddr(na, myaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
printf(": unsupported Dayna hardware\n");
break;
case AE_VENDOR_FARALLON:
/* Map register offsets */
for (i = 0; i < 16; i++) /* reverse order, longword aligned */
sc->sc_reg_map[i] = (15 - i) << 2;
if (bus_space_subregion(bst, bsh,
AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) {
printf(": failed to map register space\n");
break;
}
if ((sc->mem_size = ae_size_card_memory(bst, bsh,
AE_DATA_OFFSET)) == 0) {
printf(": failed to determine size of RAM.\n");
break;
}
if (bus_space_subregion(bst, bsh,
AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) {
printf(": failed to map register space\n");
break;
}
#ifdef AE_OLD_GET_ENADDR
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
myaddr[i] =
bus_space_read_1(bst, bsh, (FE_ROM_OFFSET + i));
#else
if (ae_nb_get_enaddr(na, myaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
success = 1;
break;
case AE_VENDOR_FOCUS:
printf(": unsupported Focus hardware\n");
break;
case AE_VENDOR_INTERLAN:
/* Map register offsets */
for (i = 0; i < 16; i++) /* normal order, longword aligned */
sc->sc_reg_map[i] = i << 2;
if (bus_space_subregion(bst, bsh,
GC_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) {
printf(": failed to map register space\n");
break;
}
if ((sc->mem_size = ae_size_card_memory(bst, bsh,
GC_DATA_OFFSET)) == 0) {
printf(": failed to determine size of RAM.\n");
break;
}
if (bus_space_subregion(bst, bsh,
GC_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) {
printf(": failed to map register space\n");
break;
}
/* reset the NIC chip */
bus_space_write_1(bst, bsh, GC_RESET_OFFSET, 0);
if (ae_nb_get_enaddr(na, myaddr)) {
/* Fall back to snarf directly from ROM. Ick. */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
myaddr[i] =
bus_space_read_1(bst, bsh,
(GC_ROM_OFFSET + i * 4));
}
success = 1;
break;
case AE_VENDOR_KINETICS:
/* Map register offsets */
for (i = 0; i < 16; i++) /* normal order, longword aligned */
sc->sc_reg_map[i] = i << 2;
sc->use16bit = 0;
if (bus_space_subregion(bst, bsh,
KE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) {
printf(": failed to map register space\n");
break;
}
if ((sc->mem_size = ae_size_card_memory(bst, bsh,
KE_DATA_OFFSET)) == 0) {
printf(": failed to determine size of RAM.\n");
break;
}
if (bus_space_subregion(bst, bsh,
KE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) {
printf(": failed to map register space\n");
break;
}
if (ae_nb_get_enaddr(na, myaddr)) {
printf(": can't find MAC address\n");
break;
}
success = 1;
break;
default:
break;
}
if (!success) {
bus_space_unmap(bst, bsh, NBMEMSIZE);
return;
}
#ifdef DEBUG
ifp->if_watchdog = ae_nb_watchdog; /* Override watchdog */
#endif
if (aesetup(sc, myaddr)) {
bus_space_unmap(bst, bsh, NBMEMSIZE);
return;
}
/* make sure interrupts are vectored to us */
add_nubus_intr(na->slot, aeintr, sc);
}
static int
ae_nb_card_vendor(na)
struct nubus_attach_args *na;
{
int vendor;
switch (na->drsw) {
case NUBUS_DRSW_3COM:
switch (na->drhw) {
case NUBUS_DRHW_APPLE_SN:
vendor = AE_VENDOR_UNKNOWN;
break;
default:
vendor = AE_VENDOR_APPLE;
break;
}
break;
case NUBUS_DRSW_APPLE:
case NUBUS_DRSW_TECHWORKS:
vendor = AE_VENDOR_APPLE;
break;
case NUBUS_DRSW_ASANTE:
vendor = AE_VENDOR_ASANTE;
break;
case NUBUS_DRSW_FARALLON:
vendor = AE_VENDOR_FARALLON;
break;
case NUBUS_DRSW_FOCUS:
vendor = AE_VENDOR_FOCUS;
break;
case NUBUS_DRSW_GATOR:
switch (na->drhw) {
default:
case NUBUS_DRHW_INTERLAN:
vendor = AE_VENDOR_INTERLAN;
break;
case NUBUS_DRHW_KINETICS:
if (strncmp(
nubus_get_card_name(na->fmt), "EtherPort", 9) == 0)
vendor = AE_VENDOR_KINETICS;
else
vendor = AE_VENDOR_DAYNA;
break;
}
break;
default:
#ifdef AE_DEBUG
printf("Unknown ethernet drsw: %x\n", na->drsw);
#endif
vendor = AE_VENDOR_UNKNOWN;
}
return vendor;
}
static int
ae_nb_get_enaddr(na, ep)
struct nubus_attach_args *na;
u_int8_t *ep;
{
nubus_dir dir;
nubus_dirent dirent;
/*
* XXX - note hardwired resource IDs here (0x80); these are
* assumed to be used by all cards, but should be fixed when
* we find out more about Ethernet card resources.
*/
nubus_get_main_dir(na->fmt, &dir);
if (nubus_find_rsrc(na->fmt, &dir, 0x80, &dirent) <= 0)
return 1;
nubus_get_dir_from_rsrc(na->fmt, &dirent, &dir);
if (nubus_find_rsrc(na->fmt, &dir, 0x80, &dirent) <= 0)
return 1;
if (nubus_get_ind_data(na->fmt, &dirent, ep, ETHER_ADDR_LEN) <= 0)
return 1;
return 0;
}
#ifdef DEBUG
static void
ae_nb_watchdog(ifp)
struct ifnet *ifp;
{
struct ae_softc *sc = ifp->if_softc;
/*
* This is a kludge! The via code seems to miss slot interrupts
* sometimes. This kludges around that by calling the handler
* by hand if the watchdog is activated. -- XXX (akb)
*/
(*via2itab[1])((void *) 1);
log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname);
++ifp->if_oerrors;
aereset(sc);
}
#endif