497 lines
12 KiB
C
497 lines
12 KiB
C
/* $NetBSD: if_le.c,v 1.26 1997/03/27 21:15:13 veego Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 Jason R. Thorpe and Bernd Ernesti. All rights reserved.
|
|
* 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 for the NetBSD Project
|
|
* by Bernd Ernesti and Jason R. Thorpe.
|
|
* 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 "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 <machine/cpu.h>
|
|
#include <machine/mtpr.h>
|
|
|
|
#include <amiga/amiga/device.h>
|
|
#include <amiga/amiga/isr.h>
|
|
|
|
#include <dev/ic/am7990reg.h>
|
|
#include <dev/ic/am7990var.h>
|
|
|
|
#include <amiga/dev/zbusvar.h>
|
|
#include <amiga/dev/if_levar.h>
|
|
|
|
int le_zbus_match __P((struct device *, struct cfdata *, void *));
|
|
void le_zbus_attach __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach le_zbus_ca = {
|
|
sizeof(struct le_softc), le_zbus_match, le_zbus_attach
|
|
};
|
|
|
|
hide void lepcnet_reset __P((struct am7990_softc *));
|
|
hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
|
|
hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t));
|
|
|
|
hide u_int16_t ariadne_swapreg __P((u_int16_t));
|
|
hide void ariadne_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
|
|
hide u_int16_t ariadne_rdcsr __P((struct am7990_softc *, u_int16_t));
|
|
hide void ariadne_wribcr __P((struct am7990_softc *, u_int16_t, u_int16_t));
|
|
integrate void ariadne_copytodesc_word __P((struct am7990_softc *, void *, int, int));
|
|
integrate void ariadne_copyfromdesc_word __P((struct am7990_softc *, void *, int, int));
|
|
integrate void ariadne_copytobuf_word __P((struct am7990_softc *, void *, int, int));
|
|
integrate void ariadne_copyfrombuf_word __P((struct am7990_softc *, void *, int, int));
|
|
integrate void ariadne_zerobuf_word __P((struct am7990_softc *, int, int));
|
|
void ariadne_autoselect __P((struct am7990_softc *, int));
|
|
int ariadne_mediachange __P((struct am7990_softc *));
|
|
void ariadne_hwinit __P((struct am7990_softc *));
|
|
|
|
/*
|
|
* Media types supported by the Ariadne.
|
|
*/
|
|
int lemedia_ariadne[] = {
|
|
IFM_ETHER | IFM_10_T,
|
|
IFM_ETHER | IFM_10_2,
|
|
IFM_ETHER | IFM_AUTO,
|
|
};
|
|
#define NLEMEDIA_ARIADNE (sizeof(lemedia_ariadne) / sizeof(lemedia_ariadne[0]))
|
|
|
|
|
|
hide u_int16_t
|
|
ariadne_swapreg(val)
|
|
u_int16_t val;
|
|
{
|
|
|
|
return (((val & 0xff) << 8 ) | (( val >> 8) & 0xff));
|
|
}
|
|
|
|
hide void
|
|
ariadne_wrcsr(sc, port, val)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
|
|
ler1->ler1_rap = ariadne_swapreg(port);
|
|
ler1->ler1_rdp = ariadne_swapreg(val);
|
|
}
|
|
|
|
hide u_int16_t
|
|
ariadne_rdcsr(sc, port)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
u_int16_t val;
|
|
|
|
ler1->ler1_rap = ariadne_swapreg(port);
|
|
val = ariadne_swapreg(ler1->ler1_rdp);
|
|
return (val);
|
|
}
|
|
|
|
hide void
|
|
ariadne_wribcr(sc, port, val)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
|
|
ler1->ler1_rap = ariadne_swapreg(port);
|
|
ler1->ler1_idp = ariadne_swapreg(val);
|
|
}
|
|
|
|
hide void
|
|
lewrcsr(sc, port, val)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
|
|
ler1->ler1_rap = port;
|
|
ler1->ler1_rdp = val;
|
|
}
|
|
|
|
hide u_int16_t
|
|
lerdcsr(sc, port)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
u_int16_t val;
|
|
|
|
ler1->ler1_rap = port;
|
|
val = ler1->ler1_rdp;
|
|
return (val);
|
|
}
|
|
|
|
hide void
|
|
lepcnet_reset(sc)
|
|
struct am7990_softc *sc;
|
|
{
|
|
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
|
|
volatile int dummy;
|
|
|
|
dummy = ler1->ler1_reset; /* Reset PCNet-ISA */
|
|
}
|
|
|
|
void
|
|
ariadne_autoselect(sc, on)
|
|
struct am7990_softc *sc;
|
|
int on;
|
|
{
|
|
|
|
/*
|
|
* on = 0: autoselect disabled
|
|
* on = 1: autoselect enabled
|
|
*/
|
|
if (on == 0)
|
|
ariadne_wribcr(sc, LE_BCR_MC, 0x0000);
|
|
else
|
|
ariadne_wribcr(sc, LE_BCR_MC, LE_MC_ASEL);
|
|
}
|
|
|
|
int
|
|
ariadne_mediachange(sc)
|
|
struct am7990_softc *sc;
|
|
{
|
|
struct ifmedia *ifm = &sc->sc_media;
|
|
|
|
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Switch to the selected media. If autoselect is
|
|
* set, switch it on otherwise disable it. We'll
|
|
* switch to the other media when we detect loss of
|
|
* carrier.
|
|
*/
|
|
switch (IFM_SUBTYPE(ifm->ifm_media)) {
|
|
case IFM_10_T:
|
|
sc->sc_initmodemedia = 1;
|
|
am7990_init(sc);
|
|
break;
|
|
|
|
case IFM_10_2:
|
|
sc->sc_initmodemedia = 0;
|
|
am7990_init(sc);
|
|
break;
|
|
|
|
case IFM_AUTO:
|
|
sc->sc_initmodemedia = 2;
|
|
ariadne_hwinit(sc);
|
|
break;
|
|
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
ariadne_hwinit(sc)
|
|
struct am7990_softc *sc;
|
|
{
|
|
|
|
/*
|
|
* Re-program LEDs to match meaning used on the Ariadne board.
|
|
*/
|
|
ariadne_wribcr(sc, LE_BCR_LED1, 0x0090);
|
|
ariadne_wribcr(sc, LE_BCR_LED2, 0x0081);
|
|
ariadne_wribcr(sc, LE_BCR_LED3, 0x0084);
|
|
|
|
/*
|
|
* Enabel/Disable auto selection
|
|
*/
|
|
if (sc->sc_initmodemedia == 2)
|
|
ariadne_autoselect(sc, 1);
|
|
else
|
|
ariadne_autoselect(sc, 0);
|
|
}
|
|
|
|
int
|
|
le_zbus_match(parent, cfp, aux)
|
|
struct device *parent;
|
|
struct cfdata *cfp;
|
|
void *aux;
|
|
{
|
|
struct zbus_args *zap = aux;
|
|
|
|
/* Commodore ethernet card */
|
|
if (zap->manid == 514 && zap->prodid == 112)
|
|
return (1);
|
|
|
|
/* Ameristar ethernet card */
|
|
if (zap->manid == 1053 && zap->prodid == 1)
|
|
return (1);
|
|
|
|
/* Ariadne ethernet card */
|
|
if (zap->manid == 2167 && zap->prodid == 201)
|
|
return (1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
le_zbus_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct le_softc *lesc = (struct le_softc *)self;
|
|
struct am7990_softc *sc = &lesc->sc_am7990;
|
|
struct zbus_args *zap = aux;
|
|
u_long ser;
|
|
|
|
/* This has no effect on PCnet-ISA LANCE chips */
|
|
sc->sc_conf3 = LE_C3_BSWP;
|
|
|
|
/*
|
|
* Manufacturer decides the 3 first bytes, i.e. ethernet vendor ID.
|
|
*/
|
|
switch (zap->manid) {
|
|
case 514:
|
|
/* Commodore */
|
|
sc->sc_memsize = 32768;
|
|
sc->sc_enaddr[0] = 0x00;
|
|
sc->sc_enaddr[1] = 0x80;
|
|
sc->sc_enaddr[2] = 0x10;
|
|
lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va);
|
|
sc->sc_mem = (void *)(0x8000 + (int)zap->va);
|
|
sc->sc_addr = 0x8000;
|
|
sc->sc_copytodesc = am7990_copytobuf_contig;
|
|
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
|
|
sc->sc_copytobuf = am7990_copytobuf_contig;
|
|
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
|
|
sc->sc_zerobuf = am7990_zerobuf_contig;
|
|
sc->sc_rdcsr = lerdcsr;
|
|
sc->sc_wrcsr = lewrcsr;
|
|
sc->sc_hwreset = NULL;
|
|
sc->sc_hwinit = NULL;
|
|
break;
|
|
|
|
case 1053:
|
|
/* Ameristar */
|
|
sc->sc_memsize = 32768;
|
|
sc->sc_enaddr[0] = 0x00;
|
|
sc->sc_enaddr[1] = 0x00;
|
|
sc->sc_enaddr[2] = 0x9f;
|
|
lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va);
|
|
sc->sc_mem = (void *)(0x8000 + (int)zap->va);
|
|
sc->sc_addr = 0x8000;
|
|
sc->sc_copytodesc = am7990_copytobuf_contig;
|
|
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
|
|
sc->sc_copytobuf = am7990_copytobuf_contig;
|
|
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
|
|
sc->sc_zerobuf = am7990_zerobuf_contig;
|
|
sc->sc_rdcsr = lerdcsr;
|
|
sc->sc_wrcsr = lewrcsr;
|
|
sc->sc_hwreset = NULL;
|
|
sc->sc_hwinit = NULL;
|
|
break;
|
|
|
|
case 2167:
|
|
/* Village Tronic */
|
|
sc->sc_memsize = 32768;
|
|
sc->sc_enaddr[0] = 0x00;
|
|
sc->sc_enaddr[1] = 0x60;
|
|
sc->sc_enaddr[2] = 0x30;
|
|
lesc->sc_r1 = (struct lereg1 *)(0x0370 + (int)zap->va);
|
|
sc->sc_mem = (void *)(0x8000 + (int)zap->va);
|
|
sc->sc_addr = 0x8000;
|
|
sc->sc_copytodesc = ariadne_copytodesc_word;
|
|
sc->sc_copyfromdesc = ariadne_copyfromdesc_word;
|
|
sc->sc_copytobuf = ariadne_copytobuf_word;
|
|
sc->sc_copyfrombuf = ariadne_copyfrombuf_word;
|
|
sc->sc_zerobuf = ariadne_zerobuf_word;
|
|
sc->sc_rdcsr = ariadne_rdcsr;
|
|
sc->sc_wrcsr = ariadne_wrcsr;
|
|
sc->sc_hwreset = lepcnet_reset;
|
|
sc->sc_hwinit = ariadne_hwinit;
|
|
sc->sc_mediachange = ariadne_mediachange;
|
|
sc->sc_supmedia = lemedia_ariadne;
|
|
sc->sc_nsupmedia = NLEMEDIA_ARIADNE;
|
|
sc->sc_defaultmedia = IFM_ETHER | IFM_AUTO;
|
|
sc->sc_initmodemedia = 2;
|
|
break;
|
|
|
|
default:
|
|
panic("le_zbus_attach: bad manid");
|
|
}
|
|
|
|
/*
|
|
* Serial number for board is used as host ID.
|
|
*/
|
|
ser = (u_long)zap->serno;
|
|
sc->sc_enaddr[3] = (ser >> 16) & 0xff;
|
|
sc->sc_enaddr[4] = (ser >> 8) & 0xff;
|
|
sc->sc_enaddr[5] = (ser ) & 0xff;
|
|
|
|
am7990_config(sc);
|
|
|
|
lesc->sc_isr.isr_intr = am7990_intr;
|
|
lesc->sc_isr.isr_arg = sc;
|
|
lesc->sc_isr.isr_ipl = 2;
|
|
add_isr(&lesc->sc_isr);
|
|
}
|
|
|
|
|
|
integrate void
|
|
ariadne_copytodesc_word(sc, from, boff, len)
|
|
struct am7990_softc *sc;
|
|
void *from;
|
|
int boff, len;
|
|
{
|
|
u_short *b1 = from;
|
|
volatile u_short *b2 = sc->sc_mem + boff;
|
|
|
|
for (len >>= 1; len > 0; len--)
|
|
*b2++ = ariadne_swapreg(*b1++);
|
|
}
|
|
|
|
integrate void
|
|
ariadne_copyfromdesc_word(sc, to, boff, len)
|
|
struct am7990_softc *sc;
|
|
void *to;
|
|
int boff, len;
|
|
{
|
|
volatile u_short *b1 = sc->sc_mem + boff;
|
|
u_short *b2 = to;
|
|
|
|
for (len >>= 1; len > 0; len--)
|
|
*b2++ = ariadne_swapreg(*b1++);
|
|
}
|
|
|
|
#define isodd(n) ((n) & 1)
|
|
|
|
integrate void
|
|
ariadne_copytobuf_word(sc, from, boff, len)
|
|
struct am7990_softc *sc;
|
|
void *from;
|
|
int boff, len;
|
|
{
|
|
u_char *a1 = from;
|
|
volatile u_char *a2 = sc->sc_mem + boff;
|
|
u_short *b1;
|
|
volatile u_short *b2;
|
|
int i;
|
|
|
|
if (len > 0 && isodd(boff)) {
|
|
b1 = (u_short *)(a1 + 1);
|
|
b2 = (u_short *)(a2 + 1);
|
|
b2[-1] = (b2[-1] & 0xff00) | (b1[-1] & 0x00ff);
|
|
--len;
|
|
} else {
|
|
b1 = (u_short *)a1;
|
|
b2 = (u_short *)a2;
|
|
}
|
|
|
|
for (i = len >> 1; i > 0; i--)
|
|
*b2++ = *b1++;
|
|
|
|
if (isodd(len))
|
|
*b2 = (*b2 & 0x00ff) | (*b1 & 0xff00);
|
|
}
|
|
|
|
integrate void
|
|
ariadne_copyfrombuf_word(sc, to, boff, len)
|
|
struct am7990_softc *sc;
|
|
void *to;
|
|
int boff, len;
|
|
{
|
|
volatile u_char *a1 = sc->sc_mem + boff;
|
|
u_char *a2 = to;
|
|
volatile u_short *b1;
|
|
u_short *b2;
|
|
int i;
|
|
|
|
if (len > 0 && isodd(boff)) {
|
|
b1 = (u_short *)(a1 + 1);
|
|
b2 = (u_short *)(a2 + 1);
|
|
b2[-1] = (b2[-1] & 0xff00) | (b1[-1] & 0x00ff);
|
|
--len;
|
|
} else {
|
|
b1 = (u_short *)a1;
|
|
b2 = (u_short *)a2;
|
|
}
|
|
|
|
for (i = len >> 1; i > 0; i--)
|
|
*b2++ = *b1++;
|
|
|
|
if (isodd(len))
|
|
*b2 = (*b2 & 0x00ff) | (*b1 & 0xff00);
|
|
}
|
|
|
|
integrate void
|
|
ariadne_zerobuf_word(sc, boff, len)
|
|
struct am7990_softc *sc;
|
|
int boff, len;
|
|
{
|
|
volatile u_char *a1 = sc->sc_mem + boff;
|
|
volatile u_short *b1;
|
|
int i;
|
|
|
|
if (len > 0 && isodd(boff)) {
|
|
b1 = (u_short *)(a1 + 1);
|
|
b1[-1] &= 0xff00;
|
|
--len;
|
|
} else {
|
|
b1 = (u_short *)a1;
|
|
}
|
|
|
|
for (i = len >> 1; i > 0; i--)
|
|
*b1++ = 0;
|
|
|
|
if (isodd(len))
|
|
*b1 &= 0x00ff;
|
|
}
|