/* $OpenBSD: if_hme_sbus.c,v 1.3 2002/03/14 01:27:02 millert Exp $ */ /* $NetBSD: if_hme_sbus.c,v 1.6 2001/02/28 14:52:48 mrg Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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. */ /* * SBus front-end device driver for the HME ethernet device. */ #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #include #include #include #endif #include #include #include #include #include #include #include #include struct hmesbus_softc { struct hme_softc hsc_hme; /* HME device */ struct sbusdev hsc_sbus; /* SBus device */ }; int hmematch_sbus(struct device *, void *, void *); void hmeattach_sbus(struct device *, struct device *, void *); struct cfattach hme_sbus_ca = { sizeof(struct hmesbus_softc), hmematch_sbus, hmeattach_sbus }; int hmematch_sbus(parent, vcf, aux) struct device *parent; void *vcf; void *aux; { struct cfdata *cf = vcf; struct sbus_attach_args *sa = aux; return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0 || strcmp("SUNW,qfe", sa->sa_name) == 0 || strcmp("SUNW,hme", sa->sa_name) == 0); } void hmeattach_sbus(parent, self, aux) struct device *parent, *self; void *aux; { struct sbus_attach_args *sa = aux; struct hmesbus_softc *hsc = (void *)self; struct hme_softc *sc = &hsc->hsc_hme; struct sbusdev *sd = &hsc->hsc_sbus; u_int32_t burst, sbusburst; int node; /* XXX the following declarations should be elsewhere */ extern void myetheraddr(u_char *); node = sa->sa_node; /* Pass on the bus tags */ sc->sc_bustag = sa->sa_bustag; sc->sc_dmatag = sa->sa_dmatag; if (sa->sa_nreg < 5) { printf("%s: only %d register sets\n", self->dv_xname, sa->sa_nreg); return; } /* * Map five register banks: * * bank 0: HME SEB registers * bank 1: HME ETX registers * bank 2: HME ERX registers * bank 3: HME MAC registers * bank 4: HME MIF registers * */ if (sbus_bus_map(sa->sa_bustag, (bus_type_t)sa->sa_reg[0].sbr_slot, (bus_addr_t)sa->sa_reg[0].sbr_offset, (bus_size_t)sa->sa_reg[0].sbr_size, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_seb) != 0) { printf("%s @ sbus: cannot map registers\n", self->dv_xname); return; } if (sbus_bus_map(sa->sa_bustag, (bus_type_t)sa->sa_reg[1].sbr_slot, (bus_addr_t)sa->sa_reg[1].sbr_offset, (bus_size_t)sa->sa_reg[1].sbr_size, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_etx) != 0) { printf("%s @ sbus: cannot map registers\n", self->dv_xname); return; } if (sbus_bus_map(sa->sa_bustag, (bus_type_t)sa->sa_reg[2].sbr_slot, (bus_addr_t)sa->sa_reg[2].sbr_offset, (bus_size_t)sa->sa_reg[2].sbr_size, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_erx) != 0) { printf("%s @ sbus: cannot map registers\n", self->dv_xname); return; } if (sbus_bus_map(sa->sa_bustag, (bus_type_t)sa->sa_reg[3].sbr_slot, (bus_addr_t)sa->sa_reg[3].sbr_offset, (bus_size_t)sa->sa_reg[3].sbr_size, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_mac) != 0) { printf("%s @ sbus: cannot map registers\n", self->dv_xname); return; } if (sbus_bus_map(sa->sa_bustag, (bus_type_t)sa->sa_reg[4].sbr_slot, (bus_addr_t)sa->sa_reg[4].sbr_offset, (bus_size_t)sa->sa_reg[4].sbr_size, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_mif) != 0) { printf("%s @ sbus: cannot map registers\n", self->dv_xname); return; } sd->sd_reset = (void *)hme_reset; sbus_establish(sd, self); if (OF_getprop(sa->sa_node, "local-mac-address", sc->sc_enaddr, ETHER_ADDR_LEN) <= 0) myetheraddr(sc->sc_enaddr); /* * Get transfer burst size from PROM and pass it on * to the back-end driver. */ sbusburst = ((struct sbus_softc *)parent)->sc_burst; if (sbusburst == 0) sbusburst = SBUS_BURST_32 - 1; /* 1->16 */ burst = getpropint(node, "burst-sizes", -1); if (burst == -1) /* take SBus burst sizes */ burst = sbusburst; /* Clamp at parent's burst sizes */ burst &= sbusburst; /* Translate into plain numerical format */ sc->sc_burst = (burst & SBUS_BURST_32) ? 32 : (burst & SBUS_BURST_16) ? 16 : 0; sc->sc_pci = 0; /* XXXXX should all be done in bus_dma. */ hme_config(sc); /* Establish interrupt handler */ if (sa->sa_nintr != 0) (void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0, hme_intr, sc); }