/* $OpenBSD: if_gem_pci.c,v 1.7 2002/02/22 20:15:28 jason Exp $ */ /* $NetBSD: if_gem_pci.c,v 1.1 2001/09/16 00:11:42 eeh Exp $ */ /* * * Copyright (C) 2001 Eduardo Horvath. * 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. * * 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. * */ /* * PCI bindings for Sun GEM ethernet controllers. */ #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #if NBPFILTER > 0 #include #endif #include #include #include #include #include #include #include #include #include #include struct gem_pci_softc { struct gem_softc gsc_gem; /* GEM device */ bus_space_tag_t gsc_memt; bus_space_handle_t gsc_memh; void *gsc_ih; }; int gem_match_pci __P((struct device *, void *, void *)); void gem_attach_pci __P((struct device *, struct device *, void *)); struct cfattach gem_pci_ca = { sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci }; /* * Attach routines need to be split out to different bus-specific files. */ int gem_match_pci(parent, cf, aux) struct device *parent; void *cf; void *aux; { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) return (1); if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2)) return (1); return (0); } void gem_attach_pci(parent, self, aux) struct device *parent, *self; void *aux; { struct pci_attach_args *pa = aux; struct gem_pci_softc *gsc = (void *)self; struct gem_softc *sc = &gsc->gsc_gem; pci_intr_handle_t intrhandle; #ifdef __sparc__ /* XXX the following declarations should be elsewhere */ extern void myetheraddr __P((u_char *)); #endif const char *intrstr; int type; if (pa->pa_memt) { type = PCI_MAPREG_TYPE_MEM; sc->sc_bustag = pa->pa_memt; } else { type = PCI_MAPREG_TYPE_IO; sc->sc_bustag = pa->pa_iot; } sc->sc_dmatag = pa->pa_dmat; sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */ #define PCI_GEM_BASEADDR 0x10 if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, type, 0, &gsc->gsc_memt, &gsc->gsc_memh, NULL, NULL, 0) != 0) { printf(": could not map gem registers\n"); return; } sc->sc_bustag = gsc->gsc_memt; sc->sc_h = gsc->gsc_memh; #if 0 /* SBUS compatible stuff? */ sc->sc_seb = gsc->gsc_memh; sc->sc_etx = gsc->gsc_memh + 0x2000; sc->sc_erx = gsc->gsc_memh + 0x4000; sc->sc_mac = gsc->gsc_memh + 0x6000; sc->sc_mif = gsc->gsc_memh + 0x7000; #endif #ifdef __sparc__ myetheraddr(sc->sc_enaddr); #endif #ifdef __powerpc__ pci_ether_hw_addr(pa->pa_pc, sc->sc_enaddr); #endif sc->sc_burst = 16; /* XXX */ printf("\n"); /* * call the main configure */ gem_config(sc); if (pci_intr_map(pa, &intrhandle) != 0) { printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); return; /* bus_unmap ? */ } intrstr = pci_intr_string(pa->pa_pc, intrhandle); gsc->gsc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, gem_intr, sc, self->dv_xname); if (gsc->gsc_ih != NULL) { printf("%s: using %s for interrupt\n", sc->sc_dev.dv_xname, intrstr ? intrstr : "unknown interrupt"); } else { printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; /* bus_unmap ? */ } }