250 lines
6.7 KiB
C
250 lines
6.7 KiB
C
/* $NetBSD: if_le.c,v 1.9 1995/11/25 01:31:09 cgd Exp $ */
|
|
|
|
/*-
|
|
* 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 "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>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#endif
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/rpb.h>
|
|
|
|
#include <alpha/tc/tc.h>
|
|
#include <alpha/tc/asic.h>
|
|
#include <alpha/tc/if_levar.h>
|
|
#include <dev/ic/am7990reg.h>
|
|
#define LE_NEED_BUF_CONTIG
|
|
#define LE_NEED_BUF_GAP2
|
|
#define LE_NEED_BUF_GAP16
|
|
#include <dev/ic/am7990var.h>
|
|
|
|
/* access LANCE registers */
|
|
void lewritereg();
|
|
#define LERDWR(cntl, src, dst) { (dst) = (src); wbflush(); }
|
|
#define LEWREG(src, dst) lewritereg(&(dst), (src))
|
|
|
|
#define LE_OFFSET_RAM 0x0
|
|
#define LE_OFFSET_LANCE 0x100000
|
|
#define LE_OFFSET_ROM 0x1c0000
|
|
|
|
extern caddr_t le_iomem;
|
|
|
|
#define LE_SOFTC(unit) lecd.cd_devs[unit]
|
|
#define LE_DELAY(x) DELAY(x)
|
|
|
|
int lematch __P((struct device *, void *, void *));
|
|
void leattach __P((struct device *, struct device *, void *));
|
|
int leintr __P((void *));
|
|
|
|
struct cfdriver lecd = {
|
|
NULL, "le", lematch, leattach, DV_IFNET, sizeof (struct le_softc)
|
|
};
|
|
|
|
integrate void
|
|
lewrcsr(sc, port, val)
|
|
struct le_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct lereg1 *ler1 = sc->sc_r1;
|
|
|
|
LEWREG(port, ler1->ler1_rap);
|
|
LERDWR(port, val, ler1->ler1_rdp);
|
|
}
|
|
|
|
integrate u_int16_t
|
|
lerdcsr(sc, port)
|
|
struct le_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
struct lereg1 *ler1 = sc->sc_r1;
|
|
u_int16_t val;
|
|
|
|
LEWREG(port, ler1->ler1_rap);
|
|
LERDWR(0, ler1->ler1_rdp, val);
|
|
return (val);
|
|
}
|
|
|
|
int
|
|
lematch(parent, match, aux)
|
|
struct device *parent;
|
|
void *match, *aux;
|
|
{
|
|
struct cfdata *cf = match;
|
|
struct confargs *ca = aux;
|
|
#ifdef notdef /* XXX */
|
|
struct tc_cfloc *tc_locp;
|
|
struct asic_cfloc *asic_locp;
|
|
#endif
|
|
|
|
#ifdef notdef /* XXX */
|
|
tclocp = (struct tc_cfloc *)cf->cf_loc;
|
|
#endif
|
|
|
|
/* XXX CHECK BUS */
|
|
/* make sure that we're looking for this type of device. */
|
|
#ifdef notdef
|
|
if (!BUS_MATCHNAME(ca, "PMAD-BA "))
|
|
#endif
|
|
if (!BUS_MATCHNAME(ca, "lance"))
|
|
return (0);
|
|
|
|
#ifdef notdef /* XXX */
|
|
/* make sure the unit matches the cfdata */
|
|
if ((cf->cf_unit != tap->ta_unit &&
|
|
tap->ta_unit != TA_ANYUNIT) ||
|
|
(tclocp->cf_slot != tap->ta_slot &&
|
|
tclocp->cf_slot != TC_SLOT_WILD) ||
|
|
(tclocp->cf_offset != tap->ta_offset &&
|
|
tclocp->cf_offset != TC_OFFSET_WILD))
|
|
return (0);
|
|
#endif
|
|
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
leattach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
register struct le_softc *sc = (void *)self;
|
|
struct confargs *ca = aux;
|
|
u_char *cp;
|
|
int i;
|
|
|
|
if (sc->sc_dev.dv_unit == 0 && (hwrpb->rpb_type == ST_DEC_3000_300 ||
|
|
hwrpb->rpb_type == ST_DEC_3000_500)) {
|
|
/* It's on the system ASIC */
|
|
volatile u_int *ldp;
|
|
|
|
sc->sc_r1 = (struct lereg1 *)BUS_CVTADDR(ca);
|
|
sc->sc_r1 = TC_DENSE_TO_SPARSE(sc->sc_r1);
|
|
sc->sc_mem = (void *)le_iomem;
|
|
/* XXX */ cp = (u_char *)ASIC_SYS_ETHER_ADDRESS(asic_base);
|
|
|
|
sc->sc_copytodesc = copytobuf_gap2;
|
|
sc->sc_copyfromdesc = copyfrombuf_gap2;
|
|
sc->sc_copytobuf = copytobuf_gap16;
|
|
sc->sc_copyfrombuf = copyfrombuf_gap16;
|
|
sc->sc_zerobuf = zerobuf_gap16;
|
|
|
|
/*
|
|
* And enable Lance dma through the asic.
|
|
*/
|
|
ldp = (volatile u_int *)ASIC_REG_LANCE_DMAPTR(asic_base);
|
|
*ldp = (((u_int64_t)le_iomem << 3) & ~(u_int64_t)0x1f) |
|
|
(((u_int64_t)le_iomem >> 29) & 0x1f);
|
|
*(volatile u_int *)ASIC_REG_CSR(asic_base) |=
|
|
ASIC_CSR_DMAEN_LANCE;
|
|
wbflush();
|
|
} else {
|
|
/* It's on the turbochannel proper */
|
|
sc->sc_r1 = (struct lereg1 *)
|
|
(BUS_CVTADDR(ca) + LE_OFFSET_LANCE);
|
|
sc->sc_mem = (void *)
|
|
(BUS_CVTADDR(ca) + LE_OFFSET_RAM);
|
|
cp = (u_char *)(BUS_CVTADDR(ca) + LE_OFFSET_ROM + 2);
|
|
|
|
sc->sc_copytodesc = copytobuf_contig;
|
|
sc->sc_copyfromdesc = copyfrombuf_contig;
|
|
sc->sc_copytobuf = copytobuf_contig;
|
|
sc->sc_copyfrombuf = copyfrombuf_contig;
|
|
sc->sc_zerobuf = zerobuf_contig;
|
|
}
|
|
|
|
sc->sc_conf3 = 0;
|
|
sc->sc_addr = 0;
|
|
sc->sc_memsize = 65536;
|
|
|
|
/*
|
|
* Get the ethernet address out of rom
|
|
*/
|
|
for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) {
|
|
sc->sc_arpcom.ac_enaddr[i] = *cp;
|
|
cp += 4;
|
|
}
|
|
|
|
sc->sc_arpcom.ac_if.if_name = lecd.cd_name;
|
|
leconfig(sc);
|
|
|
|
BUS_INTR_ESTABLISH(ca, leintr, sc);
|
|
/* XXX YEECH!!! */
|
|
*(volatile u_int *)ASIC_REG_IMSK(asic_base) |= ASIC_INTR_LANCE;
|
|
wbflush();
|
|
}
|
|
|
|
/*
|
|
* Write a lance register port, reading it back to ensure success. This seems
|
|
* to be necessary during initialization, since the chip appears to be a bit
|
|
* pokey sometimes.
|
|
*/
|
|
void
|
|
lewritereg(regptr, val)
|
|
register volatile u_short *regptr;
|
|
register u_short val;
|
|
{
|
|
register int i = 0;
|
|
|
|
while (*regptr != val) {
|
|
*regptr = val;
|
|
wbflush();
|
|
if (++i > 10000) {
|
|
printf("le: Reg did not settle (to x%x): x%x\n", val,
|
|
*regptr);
|
|
return;
|
|
}
|
|
DELAY(100);
|
|
}
|
|
}
|
|
|
|
#include <dev/ic/am7990.c>
|