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

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/* $NetBSD: if_ae_nubus.c,v 1.24 1997/11/02 00:29:59 thorpej 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. 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/malloc.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <machine/bus.h>
#include <machine/viareg.h>
#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>
#include <mac68k/dev/nubus.h>
#include <mac68k/dev/if_aevar.h>
#include <mac68k/dev/if_aereg.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((bus_space_tag_t, bus_space_handle_t,
struct nubus_attach_args *));
static int ae_nb_get_enaddr __P((bus_space_tag_t, bus_space_handle_t,
struct nubus_attach_args *, u_int8_t *));
#ifdef DEBUG
static void ae_nb_watchdog __P((struct ifnet *));
#endif
void ae_nubus_intr __P((void *, int));
struct cfattach ae_nubus_ca = {
sizeof(struct dp8390_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->na_tag, bsh, na)) {
case DP8390_VENDOR_APPLE:
case DP8390_VENDOR_ASANTE:
case DP8390_VENDOR_FARALLON:
case DP8390_VENDOR_INTERLAN:
case DP8390_VENDOR_KINETICS:
rv = 1;
break;
case DP8390_VENDOR_DAYNA:
case DP8390_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 dp8390_softc *sc = (struct dp8390_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;
char *cardtype;
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;
cardtype = nubus_get_card_name(bst, bsh, na->fmt);
sc->is790 = 0;
sc->mem_start = 0;
sc->mem_size = 0;
success = 0;
switch (ae_nb_card_vendor(bst, bsh, na)) {
case DP8390_VENDOR_APPLE: /* Apple-compatible cards */
case DP8390_VENDOR_ASANTE:
/* Map register offsets */
for (i = 0; i < 16; i++) /* reverse order, longword aligned */
sc->sc_reg_map[i] = (15 - i) << 2;
sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS);
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)
sc->sc_enaddr[i] =
bus_space_read_1(bst, bsh, (AE_ROM_OFFSET + i * 2));
#else
if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
success = 1;
break;
case DP8390_VENDOR_DAYNA:
/* Map register offsets */
for (i = 0; i < 16; i++) /* normal order, longword aligned */
sc->sc_reg_map[i] = i << 2;
sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS);
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)
sc->sc_enaddr[i] =
bus_space_read_1(bst, bsh, (DP_ROM_OFFSET + i * 2));
#else
if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
printf(": unsupported Dayna hardware\n");
break;
case DP8390_VENDOR_FARALLON:
/* Map register offsets */
for (i = 0; i < 16; i++) /* reverse order, longword aligned */
sc->sc_reg_map[i] = (15 - i) << 2;
sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS);
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)
sc->sc_enaddr[i] =
bus_space_read_1(bst, bsh, (FE_ROM_OFFSET + i));
#else
if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) {
printf(": can't find MAC address\n");
break;
}
#endif
success = 1;
break;
case DP8390_VENDOR_FOCUS:
printf(": unsupported Focus hardware\n");
break;
case DP8390_VENDOR_INTERLAN:
/* Map register offsets */
for (i = 0; i < 16; i++) /* normal order, longword aligned */
sc->sc_reg_map[i] = i << 2;
sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS);
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(bst, bsh, na, sc->sc_enaddr)) {
/* Fall back to snarf directly from ROM. Ick. */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->sc_enaddr[i] =
bus_space_read_1(bst, bsh,
(GC_ROM_OFFSET + i * 4));
}
success = 1;
break;
case DP8390_VENDOR_KINETICS:
/* 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,
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(bst, bsh, na, sc->sc_enaddr)) {
printf(": can't find MAC address\n");
break;
}
success = 1;
break;
default:
break;
}
if (!success) {
bus_space_unmap(bst, bsh, NBMEMSIZE);
return;
}
/*
* Override test_mem and write_mbuf functions; other defaults
* already work properly.
*/
sc->test_mem = ae_test_mem;
sc->write_mbuf = ae_write_mbuf;
#ifdef DEBUG
ifp->if_watchdog = ae_nb_watchdog; /* Override watchdog */
#endif
/* Interface is always enabled. */
sc->sc_enabled = 1;
printf(": %s, %dKB memory\n", cardtype, sc->mem_size / 1024);
if (dp8390_config(sc, NULL, 0, 0)) {
bus_space_unmap(bst, bsh, NBMEMSIZE);
return;
}
/* make sure interrupts are vectored to us */
add_nubus_intr(na->slot, ae_nubus_intr, sc);
}
/* ARGSUSED */
void
ae_nubus_intr(arg, slot)
void *arg;
int slot;
{
struct dp8390_softc *sc = (struct dp8390_softc *)arg;
(void) dp8390_intr(sc);
}
static int
ae_nb_card_vendor(bst, bsh, na)
bus_space_tag_t bst;
bus_space_handle_t bsh;
struct nubus_attach_args *na;
{
int vendor;
switch (na->drsw) {
case NUBUS_DRSW_3COM:
switch (na->drhw) {
case NUBUS_DRHW_APPLE_SN:
case NUBUS_DRHW_APPLE_SNT:
vendor = DP8390_VENDOR_UNKNOWN;
break;
default:
vendor = DP8390_VENDOR_APPLE;
break;
}
break;
case NUBUS_DRSW_APPLE:
case NUBUS_DRSW_DAYNA2:
case NUBUS_DRSW_TECHWORKS:
vendor = DP8390_VENDOR_APPLE;
break;
case NUBUS_DRSW_ASANTE:
vendor = DP8390_VENDOR_ASANTE;
break;
case NUBUS_DRSW_FARALLON:
vendor = DP8390_VENDOR_FARALLON;
break;
case NUBUS_DRSW_FOCUS:
vendor = DP8390_VENDOR_FOCUS;
break;
case NUBUS_DRSW_GATOR:
switch (na->drhw) {
default:
case NUBUS_DRHW_INTERLAN:
vendor = DP8390_VENDOR_INTERLAN;
break;
case NUBUS_DRHW_KINETICS:
if (strncmp(nubus_get_card_name(bst, bsh, na->fmt),
"EtherPort", 9) == 0)
vendor = DP8390_VENDOR_KINETICS;
else
vendor = DP8390_VENDOR_DAYNA;
break;
}
break;
default:
vendor = DP8390_VENDOR_UNKNOWN;
}
return vendor;
}
static int
ae_nb_get_enaddr(bst, bsh, na, ep)
bus_space_tag_t bst;
bus_space_handle_t bsh;
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(bst, bsh, na->fmt, &dir, 0x80, &dirent) <= 0)
return 1;
nubus_get_dir_from_rsrc(na->fmt, &dirent, &dir);
if (nubus_find_rsrc(bst, bsh, na->fmt, &dir, 0x80, &dirent) <= 0)
return 1;
if (nubus_get_ind_data(bst, bsh,
na->fmt, &dirent, ep, ETHER_ADDR_LEN) <= 0)
return 1;
return 0;
}
#ifdef DEBUG
static void
ae_nb_watchdog(ifp)
struct ifnet *ifp;
{
struct dp8390_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;
dp8390_reset(sc);
}
#endif
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