477 lines
13 KiB
C
477 lines
13 KiB
C
/* $NetBSD: if_depca_isa.c,v 1.3 1998/07/21 17:36:06 drochner Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
|
* NASA Ames Research Center.
|
|
*
|
|
* 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 the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION OR CONTRIBUTORS
|
|
* 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell and Rick Macklem.
|
|
*
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
|
|
*/
|
|
|
|
#include "opt_inet.h"
|
|
#include "bpfilter.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_ether.h>
|
|
#include <net/if_media.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_inarp.h>
|
|
#endif
|
|
|
|
#include <vm/vm.h>
|
|
|
|
#include <machine/cpu.h>
|
|
#include <machine/intr.h>
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/isa/isareg.h>
|
|
#include <dev/isa/isavar.h>
|
|
|
|
#include <dev/ic/lancereg.h>
|
|
#include <dev/ic/lancevar.h>
|
|
#include <dev/ic/am7990reg.h>
|
|
#include <dev/ic/am7990var.h>
|
|
|
|
#define DEPCA_CSR 0x0
|
|
#define DEPCA_CSR_SHE 0x80 /* Shared memory enabled */
|
|
#define DEPCA_CSR_LOW32K 0x40 /* Map lower 32K chunk */
|
|
#define DEPCA_CSR_DUM 0x08 /* rev E compatibility */
|
|
#define DEPCA_CSR_IM 0x04 /* Interrupt masked */
|
|
#define DEPCA_CSR_IEN 0x02 /* Interrupt enabled */
|
|
#define DEPCA_RDP 0x4
|
|
#define DEPCA_RAP 0x6
|
|
#define DEPCA_ADP 0xc
|
|
|
|
struct depca_softc {
|
|
struct am7990_softc sc_am7990; /* glue to MI code */
|
|
|
|
void *sc_ih;
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_tag_t sc_memt;
|
|
bus_space_handle_t sc_ioh;
|
|
bus_space_handle_t sc_memh;
|
|
};
|
|
|
|
int depca_isa_probe __P((struct device *, struct cfdata *, void *));
|
|
void depca_isa_attach __P((struct device *, struct device *, void *));
|
|
int le_depca_probe __P((struct device *, struct cfdata *, void *));
|
|
void le_depca_attach __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach depca_isa_ca = {
|
|
sizeof(struct device), depca_isa_probe, depca_isa_attach
|
|
}, le_depca_ca = {
|
|
sizeof(struct depca_softc), le_depca_probe, le_depca_attach
|
|
};
|
|
|
|
int depca_readprom __P((bus_space_tag_t, bus_space_handle_t, u_int8_t *));
|
|
int depca_intredge __P((void *));
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_ddb.h"
|
|
#endif
|
|
|
|
#ifdef DDB
|
|
#define integrate
|
|
#define hide
|
|
#else
|
|
#define integrate static __inline
|
|
#define hide static
|
|
#endif
|
|
|
|
hide void depca_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
|
|
hide u_int16_t depca_rdcsr __P((struct lance_softc *, u_int16_t));
|
|
|
|
void depca_copytobuf __P((struct lance_softc *, void *, int, int));
|
|
void depca_copyfrombuf __P((struct lance_softc *, void *, int, int));
|
|
void depca_zerobuf __P((struct lance_softc *, int, int));
|
|
|
|
hide void
|
|
depca_wrcsr(sc, port, val)
|
|
struct lance_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct depca_softc *lesc = (struct depca_softc *)sc;
|
|
bus_space_tag_t iot = lesc->sc_iot;
|
|
bus_space_handle_t ioh = lesc->sc_ioh;
|
|
|
|
bus_space_write_2(iot, ioh, DEPCA_RAP, port);
|
|
bus_space_write_2(iot, ioh, DEPCA_RDP, val);
|
|
}
|
|
|
|
hide u_int16_t
|
|
depca_rdcsr(sc, port)
|
|
struct lance_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
struct depca_softc *lesc = (struct depca_softc *)sc;
|
|
bus_space_tag_t iot = lesc->sc_iot;
|
|
bus_space_handle_t ioh = lesc->sc_ioh;
|
|
u_int16_t val;
|
|
|
|
bus_space_write_2(iot, ioh, DEPCA_RAP, port);
|
|
val = bus_space_read_2(iot, ioh, DEPCA_RDP);
|
|
return (val);
|
|
}
|
|
|
|
int
|
|
depca_readprom(iot, ioh, laddr)
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
u_int8_t *laddr;
|
|
{
|
|
int port, i;
|
|
|
|
/*
|
|
* Extract the physical MAC address from the ROM.
|
|
*
|
|
* The address PROM is 32 bytes wide, and we access it through
|
|
* a single I/O port. On each read, it rotates to the next
|
|
* position. We find the ethernet address by looking for a
|
|
* particular sequence of bytes (0xff, 0x00, 0x55, 0xaa, 0xff,
|
|
* 0x00, 0x55, 0xaa), and then reading the next 8 bytes (the
|
|
* ethernet address and a checksum).
|
|
*
|
|
* It appears that the PROM can be at one of two locations, so
|
|
* we just try both.
|
|
*/
|
|
port = DEPCA_ADP;
|
|
for (i = 0; i < 32; i++)
|
|
if (bus_space_read_1(iot, ioh, port) == 0xff &&
|
|
bus_space_read_1(iot, ioh, port) == 0x00 &&
|
|
bus_space_read_1(iot, ioh, port) == 0x55 &&
|
|
bus_space_read_1(iot, ioh, port) == 0xaa &&
|
|
bus_space_read_1(iot, ioh, port) == 0xff &&
|
|
bus_space_read_1(iot, ioh, port) == 0x00 &&
|
|
bus_space_read_1(iot, ioh, port) == 0x55 &&
|
|
bus_space_read_1(iot, ioh, port) == 0xaa)
|
|
goto found;
|
|
port = DEPCA_ADP + 1;
|
|
for (i = 0; i < 32; i++)
|
|
if (bus_space_read_1(iot, ioh, port) == 0xff &&
|
|
bus_space_read_1(iot, ioh, port) == 0x00 &&
|
|
bus_space_read_1(iot, ioh, port) == 0x55 &&
|
|
bus_space_read_1(iot, ioh, port) == 0xaa &&
|
|
bus_space_read_1(iot, ioh, port) == 0xff &&
|
|
bus_space_read_1(iot, ioh, port) == 0x00 &&
|
|
bus_space_read_1(iot, ioh, port) == 0x55 &&
|
|
bus_space_read_1(iot, ioh, port) == 0xaa)
|
|
goto found;
|
|
printf("depca: address not found\n");
|
|
return (-1);
|
|
|
|
found:
|
|
|
|
if (laddr) {
|
|
for (i = 0; i < 6; i++)
|
|
laddr[i] = bus_space_read_1(iot, ioh, port);
|
|
}
|
|
|
|
#if 0
|
|
sum =
|
|
(laddr[0] << 2) +
|
|
(laddr[1] << 10) +
|
|
(laddr[2] << 1) +
|
|
(laddr[3] << 9) +
|
|
(laddr[4] << 0) +
|
|
(laddr[5] << 8);
|
|
sum = (sum & 0xffff) + (sum >> 16);
|
|
sum = (sum & 0xffff) + (sum >> 16);
|
|
|
|
rom_sum = bus_space_read_1(iot, ioh, port);
|
|
rom_sum |= bus_space_read_1(iot, ioh, port) << 8;
|
|
|
|
if (sum != rom_sum) {
|
|
printf("depca: checksum mismatch; calculated %04x != read %04x",
|
|
sum, rom_sum);
|
|
return (-1);
|
|
}
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
depca_isa_probe(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct isa_attach_args *ia = aux;
|
|
bus_space_tag_t iot = ia->ia_iot;
|
|
bus_space_handle_t ioh;
|
|
bus_space_handle_t memh;
|
|
int rv = 0;
|
|
|
|
/* Disallow impossible i/o address. */
|
|
if (ia->ia_iobase != 0x200 && ia->ia_iobase != 0x300)
|
|
return (0);
|
|
|
|
/* Map i/o space. */
|
|
if (bus_space_map(iot, ia->ia_iobase, 16, 0, &ioh))
|
|
return 0;
|
|
|
|
if (ia->ia_maddr == MADDRUNK ||
|
|
(ia->ia_msize != 32*1024 && ia->ia_msize != 64*1024))
|
|
goto bad;
|
|
|
|
/* Map card RAM. */
|
|
if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh))
|
|
goto bad;
|
|
|
|
/* Just needed to check mapability; don't need it anymore. */
|
|
bus_space_unmap(ia->ia_memt, memh, ia->ia_msize);
|
|
|
|
/* Stop the LANCE chip and put it in a known state. */
|
|
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
|
|
bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP);
|
|
delay(100);
|
|
|
|
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
|
|
if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP)
|
|
goto bad;
|
|
|
|
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3);
|
|
bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON);
|
|
|
|
bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM);
|
|
|
|
if (depca_readprom(iot, ioh, 0))
|
|
goto bad;
|
|
|
|
ia->ia_iosize = 16;
|
|
rv = 1;
|
|
|
|
bad:
|
|
bus_space_unmap(iot, ioh, 16);
|
|
return (rv);
|
|
}
|
|
|
|
void
|
|
depca_isa_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
printf("\n");
|
|
|
|
config_found(self, aux, 0);
|
|
}
|
|
|
|
int
|
|
le_depca_probe(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
le_depca_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct depca_softc *lesc = (void *)self;
|
|
struct lance_softc *sc = &lesc->sc_am7990.lsc;
|
|
struct isa_attach_args *ia = aux;
|
|
bus_space_tag_t iot = ia->ia_iot;
|
|
bus_space_tag_t memt = ia->ia_memt;
|
|
bus_space_handle_t ioh, memh;
|
|
u_char val;
|
|
int i;
|
|
|
|
printf("\n");
|
|
|
|
if (bus_space_map(iot, ia->ia_iobase, 16, 0, &ioh))
|
|
panic("%s: can't map io", self->dv_xname);
|
|
|
|
/* Map shared memory. */
|
|
if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh))
|
|
panic("%s: can't map mem space", self->dv_xname);
|
|
|
|
lesc->sc_iot = iot;
|
|
lesc->sc_ioh = ioh;
|
|
lesc->sc_memt = memt;
|
|
lesc->sc_memh = memh;
|
|
|
|
if (depca_readprom(iot, ioh, sc->sc_enaddr)) {
|
|
printf("%s: can't read PROM\n", self->dv_xname);
|
|
return;
|
|
}
|
|
|
|
bus_space_write_1(iot, ioh, DEPCA_CSR,
|
|
DEPCA_CSR_DUM | DEPCA_CSR_IEN | DEPCA_CSR_SHE
|
|
| (ia->ia_msize == 32*1024 ? DEPCA_CSR_LOW32K : 0));
|
|
|
|
val = 0xff;
|
|
for (;;) {
|
|
bus_space_set_region_1(memt, memh, 0, val,
|
|
ia->ia_msize);
|
|
for (i = 0; i < ia->ia_msize; i++)
|
|
if (bus_space_read_1(memt, memh, 1) != val) {
|
|
printf("%s: failed to clear memory\n",
|
|
sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
if (val == 0x00)
|
|
break;
|
|
val -= 0x55;
|
|
}
|
|
|
|
sc->sc_conf3 = LE_C3_ACON;
|
|
sc->sc_mem = 0; /* Not used. */
|
|
sc->sc_addr = 0;
|
|
sc->sc_memsize = ia->ia_msize;
|
|
|
|
sc->sc_copytodesc = depca_copytobuf;
|
|
sc->sc_copyfromdesc = depca_copyfrombuf;
|
|
sc->sc_copytobuf = depca_copytobuf;
|
|
sc->sc_copyfrombuf = depca_copyfrombuf;
|
|
sc->sc_zerobuf = depca_zerobuf;
|
|
|
|
sc->sc_rdcsr = depca_rdcsr;
|
|
sc->sc_wrcsr = depca_wrcsr;
|
|
sc->sc_hwinit = NULL;
|
|
|
|
printf("%s", sc->sc_dev.dv_xname);
|
|
am7990_config(&lesc->sc_am7990);
|
|
|
|
lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
|
|
IPL_NET, depca_intredge, sc);
|
|
}
|
|
|
|
/*
|
|
* Controller interrupt.
|
|
*/
|
|
int
|
|
depca_intredge(arg)
|
|
void *arg;
|
|
{
|
|
|
|
if (am7990_intr(arg) == 0)
|
|
return (0);
|
|
for (;;)
|
|
if (am7990_intr(arg) == 0)
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* DEPCA shared memory access functions.
|
|
*/
|
|
|
|
void
|
|
depca_copytobuf(sc, from, boff, len)
|
|
struct lance_softc *sc;
|
|
void *from;
|
|
int boff, len;
|
|
{
|
|
struct depca_softc *lesc = (struct depca_softc *)sc;
|
|
|
|
bus_space_write_region_1(lesc->sc_memt, lesc->sc_memh, boff,
|
|
from, len);
|
|
}
|
|
|
|
void
|
|
depca_copyfrombuf(sc, to, boff, len)
|
|
struct lance_softc *sc;
|
|
void *to;
|
|
int boff, len;
|
|
{
|
|
struct depca_softc *lesc = (struct depca_softc *)sc;
|
|
|
|
bus_space_read_region_1(lesc->sc_memt, lesc->sc_memh, boff,
|
|
to, len);
|
|
}
|
|
|
|
void
|
|
depca_zerobuf(sc, boff, len)
|
|
struct lance_softc *sc;
|
|
int boff, len;
|
|
{
|
|
struct depca_softc *lesc = (struct depca_softc *)sc;
|
|
|
|
#if 0 /* XXX !! */
|
|
bus_space_set_region_1(lesc->sc_memt, lesc->sc_memh, boff,
|
|
0x00, len);
|
|
#else
|
|
for (; len != 0; boff++, len--)
|
|
bus_space_write_1(lesc->sc_memt, lesc->sc_memh, boff, 0x00);
|
|
#endif
|
|
}
|