/* $OpenBSD: if_le.c,v 1.3 1997/09/10 08:28:40 maja Exp $ */ /* $NetBSD: if_le.c,v 1.8 1997/04/21 22:04:23 ragge Exp $ */ /* #define LE_CHIP_IS_POKEY /* does VS2000 need this ??? */ /*- * 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 #include #include #include #include #include #if INET #include #include #endif /* * This would be nice, but it's not yet there... * * #include */ #include #include #include #include #include #include #include #include #define LE_NEED_BUF_CONTIG #include #include #define xdebug(x) #ifdef LE_CHIP_IS_POKEY /* * access LANCE registers and double-check their contents */ #define wbflush() /* do nothing */ void lewritereg(); #define LERDWR(cntl, src, dst) { (dst) = (src); wbflush(); } #define LEWREG(src, dst) lewritereg(&(dst), (src)) #endif #define LE_IOSIZE 64*1024 /* 64K of real-mem are reserved and already */ extern void *le_iomem; /* mapped into virt-mem by cpu_steal_pages */ extern u_long le_ioaddr; /* le_iomem is virt, le_ioaddr is phys */ #define LE_SOFTC(unit) le_cd.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 *sc)); struct cfattach le_ca = { sizeof(struct le_softc), lematch, leattach }; 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 void lewrcsr(sc, port, val) struct am7990_softc *sc; u_int16_t port, val; { struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; #ifdef LE_CHIP_IS_POKEY LEWREG(port, ler1->ler1_rap); LERDWR(port, val, ler1->ler1_rdp); #else ler1->ler1_rap = port; ler1->ler1_rdp = val; #endif } 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; #ifdef LE_CHIP_IS_POKEY LEWREG(port, ler1->ler1_rap); LERDWR(0, ler1->ler1_rdp, val); #else ler1->ler1_rap = port; val = ler1->ler1_rdp; #endif return (val); } integrate void lehwinit(sc) struct am7990_softc *sc; { } int lematch(parent, match, aux) struct device *parent; void *match, *aux; { struct cfdata *cf = match; struct confargs *ca = aux; /* * There could/should be more checks, but for now... */ if (strcmp(ca->ca_name, "le") && strcmp(ca->ca_name, "am7990") && strcmp(ca->ca_name, "AM7990")) return (0); 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; /* pointer to MAC address */ int i; sc->sc_r1 = (void*)uvax_phys2virt(ca->ca_ioaddr); sc->sc_am7990.sc_conf3 = 0; sc->sc_am7990.sc_mem = le_iomem; sc->sc_am7990.sc_addr = le_ioaddr; sc->sc_am7990.sc_memsize = LE_IOSIZE; sc->sc_am7990.sc_wrcsr = lewrcsr; sc->sc_am7990.sc_rdcsr = lerdcsr; sc->sc_am7990.sc_hwinit = lehwinit; sc->sc_am7990.sc_nocarrier = NULL; xdebug(("leattach: mem=%x, addr=%x, size=%x (%d)\n", sc->sc_am7990.sc_mem, sc->sc_am7990.sc_addr, sc->sc_am7990.sc_memsize, sc->sc_am7990.sc_memsize)); sc->sc_am7990.sc_copytodesc = am7990_copytobuf_contig; sc->sc_am7990.sc_copyfromdesc = am7990_copyfrombuf_contig; sc->sc_am7990.sc_copytobuf = am7990_copytobuf_contig; sc->sc_am7990.sc_copyfrombuf = am7990_copyfrombuf_contig; sc->sc_am7990.sc_zerobuf = am7990_zerobuf_contig; /* * Get the ethernet address out of rom */ for (i = 0; i < sizeof(sc->sc_am7990.sc_arpcom.ac_enaddr); i++) { int *eaddr = (void*)uvax_phys2virt(ca->ca_enaddr); sc->sc_am7990.sc_arpcom.ac_enaddr[i] = (u_char)eaddr[i]; } bcopy(self->dv_xname, sc->sc_am7990.sc_arpcom.ac_if.if_xname, IFNAMSIZ); am7990_config(&sc->sc_am7990); #ifdef LEDEBUG sc->sc_am7990.sc_debug = LEDEBUG; #endif vsbus_intr_register(ca, am7990_intr, &sc->sc_am7990); vsbus_intr_enable(ca); /* * Register this device as boot device if we booted from it. * This will fail if there are more than one le in a machine, * fortunately there may be only one. */ if (B_TYPE(bootdev) == BDEV_LE) booted_from = self; } #ifdef LE_CHIP_IS_POKEY /* * 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); } } #endif