diff options
Diffstat (limited to 'sys/arch/aviion/dev/if_le_syscon.c')
| -rw-r--r-- | sys/arch/aviion/dev/if_le_syscon.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sys/arch/aviion/dev/if_le_syscon.c b/sys/arch/aviion/dev/if_le_syscon.c new file mode 100644 index 00000000000..7142c7af5ea --- /dev/null +++ b/sys/arch/aviion/dev/if_le_syscon.c @@ -0,0 +1,172 @@ +/* $OpenBSD: if_le_syscon.c,v 1.1 2006/05/09 18:13:40 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 <machine/av400.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); +} |