/* $OpenBSD: if_le_syscon.c,v 1.2 2006/05/21 12:22:02 miod Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Adam Glass and Gordon W. Ross.
*
* 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 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.
*/
#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 <net/if_media.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <aviion/dev/sysconreg.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
/*
* LANCE registers. Although these are 16 bit registers, on the AV400
* design, they need to be accessed as 32 bit registers. Bus magic...
* The real stuff is in dev/ic/am7990reg.h
*/
struct av_lereg {
volatile u_int32_t ler1_rdp; /* data port */
volatile u_int32_t ler1_rap; /* register select port */
};
/*
* Ethernet software status per interface.
* The real stuff is in dev/ic/am7990var.h
*/
struct le_softc {
struct am7990_softc sc_am7990; /* glue to MI code */
struct av_lereg *sc_r1; /* LANCE registers */
struct intrhand sc_ih;
};
int le_syscon_match(struct device *, void *, void *);
void le_syscon_attach(struct device *, struct device *, void *);
struct cfattach le_syscon_ca = {
sizeof(struct le_softc), le_syscon_match, le_syscon_attach
};
void le_syscon_wrcsr(struct am7990_softc *, u_int16_t, u_int16_t);
u_int16_t le_syscon_rdcsr(struct am7990_softc *, u_int16_t);
void
le_syscon_wrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
struct av_lereg *ler1 = ((struct le_softc *)sc)->sc_r1;
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
}
u_int16_t
le_syscon_rdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
struct av_lereg *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
return (val);
}
int
le_syscon_match(parent, cf, aux)
struct device *parent;
void *cf, *aux;
{
return (1);
}
void
le_syscon_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 confargs *ca = aux;
extern void *etherbuf;
extern size_t etherlen;
if (etherbuf == NULL) {
printf(": no available memory, kernel is too large\n");
return;
}
lesc->sc_r1 = (struct av_lereg *)ca->ca_paddr;
sc->sc_mem = (void *)etherbuf;
etherbuf = NULL;
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = (u_long)sc->sc_mem & 0x00ffffff;
sc->sc_memsize = etherlen;
myetheraddr(sc->sc_arpcom.ac_enaddr);
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 = le_syscon_rdcsr;
sc->sc_wrcsr = le_syscon_wrcsr;
sc->sc_hwreset = NULL;
sc->sc_hwinit = NULL;
am7990_config(sc);
lesc->sc_ih.ih_fn = am7990_intr;
lesc->sc_ih.ih_arg = sc;
lesc->sc_ih.ih_wantframe = 0;
lesc->sc_ih.ih_ipl = ca->ca_ipl;
sysconintr_establish(SYSCV_LE, &lesc->sc_ih, self->dv_xname);
}