diff options
Diffstat (limited to 'sys/arch/luna88k/dev/if_le.c')
| -rw-r--r-- | sys/arch/luna88k/dev/if_le.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/sys/arch/luna88k/dev/if_le.c b/sys/arch/luna88k/dev/if_le.c new file mode 100644 index 00000000000..4192bbd21d8 --- /dev/null +++ b/sys/arch/luna88k/dev/if_le.c @@ -0,0 +1,204 @@ +/* $OpenBSD: if_le.c,v 1.1 2004/04/21 15:23:52 aoyama Exp $ */ +/* $NetBSD: if_le.c,v 1.33 1996/11/20 18:56:52 gwr 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. + */ + +/* based on OpenBSD: sys/arch/sun3/dev/if_le.c */ + +#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 <net/if_media.h> + +#include <machine/autoconf.h> +#include <machine/cpu.h> + +#include <dev/ic/am7990reg.h> +#include <dev/ic/am7990var.h> + +#include <luna88k/luna88k/isr.h> + +/* + * LANCE registers. + * The real stuff is in dev/ic/am7990reg.h + */ +struct lereg1 { + volatile u_int16_t ler1_rdp; /* data port */ + volatile unsigned : 16 ; /* LUNA-88K2 has a 16 bit gap */ + volatile u_int16_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 lereg1 *sc_r1; /* LANCE registers */ +}; + +static int le_match(struct device *, void *, void *); +static void le_attach(struct device *, struct device *, void *); + +struct cfattach le_ca = { + sizeof(struct le_softc), le_match, le_attach +}; + +hide void lewrcsr(struct am7990_softc *, u_int16_t, u_int16_t); +hide u_int16_t lerdcsr(struct am7990_softc *, u_int16_t); +hide void myetheraddr(u_int8_t *); + +hide void +lewrcsr(sc, port, val) + struct am7990_softc *sc; + u_int16_t port, val; +{ + register 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; +{ + register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; + u_int16_t val; + + ler1->ler1_rap = port; + val = ler1->ler1_rdp; + return (val); +} + +static int +le_match(parent, cf, aux) + struct device *parent; + void *cf, *aux; +{ + struct mainbus_attach_args *ma = aux; + + if (strcmp(ma->ma_name, le_cd.cd_name)) + return (0); + + return (1); +} + +void +le_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 mainbus_attach_args *ma = aux; + + lesc->sc_r1 = (struct lereg1 *)ma->ma_addr; /* LANCE */ + + sc->sc_mem = (void *)0x71000000; /* SRAM */ + sc->sc_conf3 = LE_C3_BSWP; + sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; + sc->sc_memsize = 64 * 1024; /* 64KB */ + + 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 = lerdcsr; + sc->sc_wrcsr = lewrcsr; + sc->sc_hwreset = NULL; + sc->sc_hwinit = NULL; + + am7990_config(sc); + + isrlink_autovec(am7990_intr, (void *)sc, ma->ma_ilvl, ISRPRI_NET); +} + +/* + * Taken from NetBSD/luna68k + * + * LUNA-88K2 (and LUNA-88K?) has 16Kbit NVSRAM on its ethercard, whose + * contents are accessible 4bit-wise by ctl register operation. The + * register is mapped at 0xF1000008. + */ + +hide void +myetheraddr(ether) + u_int8_t *ether; +{ + unsigned i, loc; + volatile struct { u_int32_t ctl; } *ds1220; + + ds1220 = (void *)0xF1000008; + loc = 12; + for (i = 0; i < 6; i++) { + unsigned u, l, hex; + + ds1220->ctl = (loc) << 16; + u = 0xf0 & (ds1220->ctl >> 12); + ds1220->ctl = (loc + 1) << 16; + l = 0x0f & (ds1220->ctl >> 16); + hex = (u < '9') ? l : l + 9; + + ds1220->ctl = (loc + 2) << 16; + u = 0xf0 & (ds1220->ctl >> 12); + ds1220->ctl = (loc + 3) << 16; + l = 0x0f & (ds1220->ctl >> 16); + + ether[i] = ((u < '9') ? l : l + 9) | (hex << 4); + loc += 4; + } +} |