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

371 lines
9.7 KiB
C

/* $NetBSD: if_ae_nubus.c,v 1.1 1997/02/24 06:03:58 scottr 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.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/netisr.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.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_card_vendor __P((struct nubus_attach_args *na));
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_card_vendor(na)) {
case AE_VENDOR_APPLE:
case AE_VENDOR_ASANTE:
case AE_VENDOR_FARALLON:
case AE_VENDOR_INTERLAN:
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;
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
bus_space_tag_t bst;
bus_space_handle_t bsh;
int i, success;
int flags = 0;
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->regs_rev = 0;
sc->vendor = ae_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_INTERLAN:
if (bus_space_subregion(bst, bsh,
GC_REG_OFFSET, AE_REG_SIZE, &sc->sc_reg_handle)) {
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_buf_handle)) {
printf(": failed to map register space\n");
break;
}
/* reset the NIC chip */
bus_space_write_1(bst, bsh, GC_RESET_OFFSET, 0);
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->sc_arpcom.ac_enaddr[i] =
bus_space_read_1(bst, bsh, (GC_ROM_OFFSET + i * 4));
success = 1;
break;
/* Apple-compatible cards */
case AE_VENDOR_ASANTE:
case AE_VENDOR_APPLE:
sc->regs_rev = 1;
if (bus_space_subregion(bst, bsh,
AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_reg_handle)) {
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_buf_handle)) {
printf(": failed to map register space\n");
break;
}
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->sc_arpcom.ac_enaddr[i] =
bus_space_read_1(bst, bsh, (AE_ROM_OFFSET + i * 2));
success = 1;
break;
case AE_VENDOR_DAYNA:
if (bus_space_subregion(bst, bsh,
DP_REG_OFFSET, AE_REG_SIZE, &sc->sc_reg_handle)) {
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_buf_handle)) {
printf(": failed to map register space\n");
break;
}
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->sc_arpcom.ac_enaddr[i] =
bus_space_read_1(bst, bsh, (DP_ROM_OFFSET + i * 2));
printf(": unsupported Dayna hardware\n");
break;
case AE_VENDOR_FARALLON:
sc->regs_rev = 1;
if (bus_space_subregion(bst, bsh,
AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_reg_handle)) {
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_buf_handle)) {
printf(": failed to map register space\n");
break;
}
/* Get station address from on-board ROM */
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->sc_arpcom.ac_enaddr[i] =
bus_space_read_1(bst, bsh, (FE_ROM_OFFSET + i));
success = 1;
break;
case AE_VENDOR_FOCUS:
printf(": unsupported Focus hardware\n");
break;
default:
break;
}
if (!success) {
bus_space_unmap(bst, bsh, NBMEMSIZE);
return;
}
sc->sc_reg_tag = sc->sc_buf_tag = bst;
sc->cr_proto = ED_CR_RD2;
/* Allocate one xmit buffer if < 16k, two buffers otherwise. */
if ((sc->mem_size < 16384) || (flags & AE_FLAGS_NO_DOUBLE_BUFFERING))
sc->txb_cnt = 1;
else
sc->txb_cnt = 2;
sc->tx_page_start = 0;
sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE;
sc->rec_page_stop = sc->tx_page_start + (sc->mem_size >> ED_PAGE_SHIFT);
sc->mem_ring = sc->rec_page_start << ED_PAGE_SHIFT;
/* Now zero memory and verify that it is clear. */
bus_space_set_region_2(sc->sc_buf_tag, sc->sc_buf_handle, 0,
0, sc->mem_size / 2);
for (i = 0; i < sc->mem_size; ++i)
if (bus_space_read_1(sc->sc_buf_tag, sc->sc_buf_handle, i))
printf("%s: failed to clear shared memory - check configuration\n",
sc->sc_dev.dv_xname);
/* Set interface to stopped condition (reset). */
aestop(sc);
/* Initialize ifnet structure. */
bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
ifp->if_softc = sc;
ifp->if_start = aestart;
ifp->if_ioctl = aeioctl;
ifp->if_watchdog = aewatchdog;
ifp->if_flags =
IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST;
/* Attach the interface. */
if_attach(ifp);
ether_ifattach(ifp);
/* Print additional info when attached. */
printf(": address %s, ", ether_sprintf(sc->sc_arpcom.ac_enaddr));
printf("type %s, %dKB memory\n", sc->type_str, sc->mem_size / 1024);
#if NBPFILTER > 0
bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
/* make sure interrupts are vectored to us */
add_nubus_intr(na->slot, aeintr, sc);
/*
* XXX -- enable nubus interrupts here. Should be done elsewhere,
* but that currently breaks with some nubus video cards'
* interrupts. So we only enable nubus interrupts if we
* have an ethernet card... i.e., we do it here.
*/
enable_nubus_intr();
}
static int
ae_card_vendor(na)
struct nubus_attach_args *na;
{
int vendor;
switch (na->drsw) {
case NUBUS_DRSW_3COM:
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:
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;
}