/* $OpenBSD: if_tr_isa.c,v 1.1 1999/12/27 21:51:35 fgsch Exp $ */ /* $NetBSD: if_tr_isa.c,v 1.4 1999/04/30 15:29:24 bad Exp $ */ #undef TRISADEBUG /* * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Onno van der Linden. * * 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 FOUNDATION 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/socket.h> #include <sys/device.h> #include <net/if.h> #include <net/if_media.h> #include <netinet/in.h> #include <netinet/if_ether.h> #include <machine/cpu.h> #include <machine/bus.h> #include <machine/intr.h> #include <dev/isa/isavar.h> #include <dev/ic/tropicreg.h> #include <dev/ic/tropicvar.h> int tr_isa_probe __P((struct device *, void *, void *)); int trtcm_isa_probe __P((struct device *, void *, void *)); int tribm_isa_probe __P((struct device *, void *, void *)); void tr_isa_attach __P((struct device *, struct device *, void *)); int tr_isa_map_io __P((struct isa_attach_args *, bus_space_handle_t *, bus_space_handle_t *)); void tr_isa_unmap_io __P((struct isa_attach_args *, bus_space_handle_t, bus_space_handle_t)); int trtcm_isa_mediachange __P((struct tr_softc *)); void trtcm_isa_mediastatus __P((struct tr_softc *, struct ifmediareq *)); #ifdef TRISADEBUG void tr_isa_dumpaip __P((bus_space_tag_t, bus_space_handle_t)); #endif /* * List of manufacturer specific probe routines. Order is important. */ int (*tr_isa_probe_list[])(struct device *, void *, void *) = { trtcm_isa_probe, tribm_isa_probe, 0 }; struct cfattach tr_isa_ca = { sizeof(struct tr_softc), tr_isa_probe, tr_isa_attach }; int tr_isa_map_io(ia, pioh, mmioh) struct isa_attach_args *ia; bus_space_handle_t *pioh, *mmioh; { bus_size_t mmio; u_int8_t s; if (bus_space_map(ia->ia_iot, ia->ia_iobase, ia->ia_iosize, 0, pioh)) { printf("tr_isa_map_io: can't map PIO ports\n"); return 1; } /* Read adapter switches and calculate addresses of MMIO. */ s = bus_space_read_1(ia->ia_iot, *pioh, TR_SWITCH); if ((s & 0xfc) < ((TR_MMIO_MINADDR - TR_MMIO_OFFSET) >> 11) || (s & 0xfc) > ((TR_MMIO_MAXADDR - TR_MMIO_OFFSET) >> 11)) { bus_space_unmap(ia->ia_iot, *pioh, ia->ia_iosize); return 1; } mmio = ((s & 0xfc) << 11) + TR_MMIO_OFFSET; if (bus_space_map(ia->ia_memt, mmio, TR_MMIO_SIZE, 0, mmioh)) { printf("tr_isa_map_io: can't map MMIO region 0x%05lx/%d\n", mmio, TR_MMIO_SIZE); bus_space_unmap(ia->ia_iot, *pioh, ia->ia_iosize); return 1; } return 0; } void tr_isa_unmap_io(ia, pioh, mmioh) struct isa_attach_args *ia; bus_space_handle_t pioh, mmioh; { bus_space_unmap(ia->ia_memt, mmioh, TR_MMIO_SIZE); bus_space_unmap(ia->ia_iot, pioh, ia->ia_iosize); } static u_char tr_isa_id[] = { 5, 0, 4, 9, 4, 3, 4, 15, 3, 6, 3, 1, 3, 1, 3, 0, 3, 9, 3, 9, 3, 0, 2, 0 }; /* * XXX handle multiple IBM TR cards (sram mapping !!) */ int tr_isa_probe(parent, match, aux) struct device *parent; void *match, *aux; { struct isa_attach_args *ia = aux; int i; bus_size_t tr_id; bus_space_handle_t sramh, pioh, mmioh; int probecode; int matched = 0; for (i = 0; tr_isa_probe_list[i] != 0; i++) { probecode = tr_isa_probe_list[i](parent, match, aux); if (probecode < 0) return 0; /* Fail instantly. */ if (probecode > 0) break; /* We have a match. */ } if (tr_isa_probe_list[i] == 0) return 0; /* Nothing matched. */ if (tr_isa_map_io(ia, &pioh, &mmioh)) return 0; tr_id = TR_ID_OFFSET; matched = 1; for (i = 0; i < sizeof(tr_isa_id); i++) { if (bus_space_read_1(ia->ia_memt, mmioh, tr_id) != tr_isa_id[i]) matched = 0; tr_id += 2; } #ifdef TRISADEBUG tr_isa_dumpaip(ia->ia_memt, mmioh); #endif tr_isa_unmap_io(ia, pioh, mmioh); if (!matched) { return 0; } if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &sramh)) { printf("tr_isa_probe: can't map shared ram\n"); return 0; } bus_space_unmap(ia->ia_memt, sramh, ia->ia_msize); return 1; } int trtcm_setspeed(struct tr_softc *, int); void tr_isa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct tr_softc *sc = (void *) self; struct isa_attach_args *ia = aux; sc->sc_piot = ia->ia_iot; sc->sc_memt = ia->ia_memt; if (tr_isa_map_io(ia, &sc->sc_pioh, &sc->sc_mmioh)) { printf("tr_isa_attach: IO space vanished\n"); return; } if (bus_space_map(sc->sc_memt, ia->ia_maddr, ia->ia_msize, 0, &sc->sc_sramh)) { printf("tr_isa_attach: shared ram space vanished\n"); return; } /* set ACA offset */ sc->sc_aca = TR_ACA_OFFSET; sc->sc_memwinsz = ia->ia_msize; sc->sc_maddr = ia->ia_maddr; /* * Determine total RAM on adapter and decide how much to use. * XXX Since we don't use RAM paging, use sc_memwinsz for now. */ sc->sc_memsize = sc->sc_memwinsz; sc->sc_memreserved = 0; if (tr_reset(sc) != 0) return; if (ia->ia_aux != NULL) { sc->sc_mediastatus = trtcm_isa_mediastatus; sc->sc_mediachange = trtcm_isa_mediachange; } else { sc->sc_mediastatus = NULL; sc->sc_mediachange = NULL; } if (tr_attach(sc) != 0) return; /* * XXX 3Com 619 can use LEVEL intr */ sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_NET, tr_intr, sc, sc->sc_dev.dv_xname); } #ifdef TRISADEBUG /* * Dump the adapters AIP */ void tr_isa_dumpaip(memt, mmioh) bus_space_tag_t memt; bus_space_handle_t mmioh; { unsigned int off, val; printf("AIP contents:"); for (off=0; off < 256; off++) { val = bus_space_read_1(memt, mmioh, TR_MAC_OFFSET + off); if ((off % 16) == 0) printf("\n"); printf("%02x ", val); } printf("\n"); } #endif