/* $OpenBSD: if_sn_obio.c,v 1.23 2006/03/23 04:17:23 brad Exp $ */ /* $NetBSD: if_sn_obio.c,v 1.9 1997/04/22 20:56:15 scottr Exp $ */ /* * Copyright (C) 1997 Allen Briggs * All rights reserved. * * 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 Allen Briggs * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SONIC_REG_BASE 0x50F0A000 #define SONIC_PROM_BASE 0x50F08000 static int sn_obio_match(struct device *, void *, void *); static void sn_obio_attach(struct device *, struct device *, void *); static int sn_obio_getaddr(struct sn_softc *, u_int8_t *); static int sn_obio_getaddr_kludge(struct sn_softc *, u_int8_t *); struct cfattach sn_obio_ca = { sizeof(struct sn_softc), sn_obio_match, sn_obio_attach }; static int sn_obio_match(struct device *parent, void *cf, void *aux) { struct obio_attach_args *oa = (struct obio_attach_args *)aux; bus_space_handle_t bsh; int found = 0; if (!mac68k_machine.sonic) return 0; if (bus_space_map(oa->oa_tag, SONIC_REG_BASE, SN_REGSIZE, 0, &bsh)) return 0; if (mac68k_bus_space_probe(oa->oa_tag, bsh, 0, 4)) found = 1; bus_space_unmap(oa->oa_tag, bsh, SN_REGSIZE); return found; } /* * Install interface into kernel networking data structures */ static void sn_obio_attach(struct device *parent, struct device *self, void *aux) { struct obio_attach_args *oa = (struct obio_attach_args *)aux; struct sn_softc *sc = (void *)self; u_int8_t myaddr[ETHER_ADDR_LEN]; int i; sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; sc->snr_dcr2 = 0; sc->slotno = 9; switch (current_mac_model->machineid) { case MACH_MACC610: case MACH_MACC650: case MACH_MACQ610: case MACH_MACQ650: case MACH_MACQ700: case MACH_MACQ800: case MACH_MACQ900: case MACH_MACQ950: sc->snr_dcr |= DCR_EXBUS; sc->bitmode = 1; break; case MACH_MACLC575: case MACH_MACP580: case MACH_MACQ630: break; case MACH_MACPB500: sc->snr_dcr |= DCR_SYNC | DCR_LBR; sc->bitmode = 0; /* 16 bit interface */ break; default: printf(": unsupported machine type\n"); return; } sc->sc_regt = oa->oa_tag; if (bus_space_map(sc->sc_regt, SONIC_REG_BASE, SN_REGSIZE, 0, &sc->sc_regh)) { printf(": failed to map space for SONIC regs.\n"); return; } /* regs are addressed as words, big-endian. */ for (i = 0; i < SN_NREGS; i++) { sc->sc_reg_map[i] = (bus_size_t)((i * 4) + 2); } /* * Kind of kludge this. Comm-slot cards do not really * have a visible type, as far as I can tell at this time, * so assume that MacOS had it properly configured and use * that configuration. */ switch (current_mac_model->machineid) { case MACH_MACLC575: case MACH_MACP580: case MACH_MACQ630: NIC_PUT(sc, SNR_CR, CR_RST); wbflush(); i = NIC_GET(sc, SNR_DCR); sc->snr_dcr |= (i & 0xfff0); sc->bitmode = (i & DCR_DW) ? 1 : 0; break; default: break; } if (sn_obio_getaddr(sc, myaddr) && sn_obio_getaddr_kludge(sc, myaddr)) { /* XXX kludge for PB */ printf(": failed to get MAC address.\n"); bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); return; } printf(": integrated ethernet adapter, "); /* snsetup returns 1 if something fails */ if (snsetup(sc, myaddr)) { bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); return; } if (mac68k_machine.aux_interrupts) intr_establish(snintr, sc, 3, sc->sc_dev.dv_xname); else add_nubus_intr(sc->slotno, snintr, sc, sc->sc_dev.dv_xname); } static int sn_obio_getaddr(struct sn_softc *sc, u_int8_t *lladdr) { bus_space_handle_t bsh; if (bus_space_map(sc->sc_regt, SONIC_PROM_BASE, PAGE_SIZE, 0, &bsh)) { printf(": failed to map space to read SONIC address.\n%s", sc->sc_dev.dv_xname); return (-1); } if (!mac68k_bus_space_probe(sc->sc_regt, bsh, 0, 1)) { bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); return (-1); } sn_get_enaddr(sc->sc_regt, bsh, 0, lladdr); bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); return (0); } /* * Assume that the SONIC was initialized in MacOS. This should go away * when we can properly get the MAC address on the PBs. */ static int sn_obio_getaddr_kludge(struct sn_softc *sc, u_int8_t *lladdr) { int i, ors = 0; /* Shut down NIC */ NIC_PUT(sc, SNR_CR, CR_RST); wbflush(); NIC_PUT(sc, SNR_CEP, 15); /* For some reason, Apple fills top first. */ wbflush(); i = NIC_GET(sc, SNR_CAP2); wbflush(); ors |= i; lladdr[5] = i >> 8; lladdr[4] = i; i = NIC_GET(sc, SNR_CAP1); wbflush(); ors |= i; lladdr[3] = i >> 8; lladdr[2] = i; i = NIC_GET(sc, SNR_CAP0); wbflush(); ors |= i; lladdr[1] = i >> 8; lladdr[0] = i; NIC_PUT(sc, SNR_CR, 0); wbflush(); if (ors == 0) return (-1); return (0); }