/* $OpenBSD: if_le.c,v 1.4 2004/08/30 13:10:32 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 #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include /* * 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, self->dv_xname); } /* * Partially taken from NetBSD/luna68k * * LUNA-88K has FUSE ROM, which contains MAC address. The FUSE ROM * contents are stored in fuse_rom_data[] during cpu_startup(). * * LUNA-88K2 has 16Kbit NVSRAM on its ethercard, whose contents are * accessible 4bit-wise by ctl register operation. The register is * mapped at 0xF1000008. */ extern int machtype; extern char fuse_rom_data[]; hide void myetheraddr(ether) u_int8_t *ether; { unsigned i, loc; volatile struct { u_int32_t ctl; } *ds1220; switch (machtype) { case LUNA_88K: /* * fuse_rom_data[] begins with "ENADDR=00000Axxxxxx" */ loc = 7; for (i = 0; i < 6; i++) { int u, l; u = fuse_rom_data[loc]; u = (u < 'A') ? u & 0xf : u - 'A' + 10; l = fuse_rom_data[loc + 1]; l = (l < 'A') ? l & 0xf : l - 'A' + 10; ether[i] = l | (u << 4); loc += 2; } break; case LUNA_88K2: 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; } break; default: ether[0] = 0x00; ether[1] = 0x00; ether[2] = 0x0a; ether[3] = 0xDE; ether[4] = 0xAD; ether[5] = 0x00; break; } }