/* $OpenBSD: if_mtd_pci.c,v 1.13 2022/08/29 06:08:04 jsg Exp $ */ /* * Copyright (c) 2003 Oleg Safiullin <form@pdp11.org.ru> * 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 unmodified, 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 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 AUTHOR 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/device.h> #include <sys/systm.h> #include <sys/socket.h> #include <net/if.h> #include <net/if_media.h> #include <netinet/in.h> #include <netinet/if_ether.h> #include <machine/bus.h> #include <dev/mii/miivar.h> #include <dev/pci/pcidevs.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/ic/mtd8xxreg.h> #include <dev/ic/mtd8xxvar.h> static int mtd_pci_match(struct device *, void *, void *); static void mtd_pci_attach(struct device *, struct device *, void *); const struct cfattach mtd_pci_ca = { sizeof(struct mtd_softc), mtd_pci_match, mtd_pci_attach }; static const struct pci_matchid mtd_pci_devices[] = { { PCI_VENDOR_MYSON, PCI_PRODUCT_MYSON_MTD800 }, { PCI_VENDOR_MYSON, PCI_PRODUCT_MYSON_MTD803 }, { PCI_VENDOR_MYSON, PCI_PRODUCT_MYSON_MTD891 }, }; static int mtd_pci_match(struct device *parent, void *match, void *aux) { return (pci_matchbyid((struct pci_attach_args *)aux, mtd_pci_devices, sizeof(mtd_pci_devices) / sizeof(mtd_pci_devices[0]))); } static void mtd_pci_attach(struct device *parent, struct device *self, void *aux) { struct mtd_softc *sc = (void *)self; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr = NULL; u_int32_t command; bus_size_t iosize; sc->sc_devid = PCI_PRODUCT(pa->pa_id); command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); if (sc->sc_devid == PCI_PRODUCT_MYSON_MTD800 && pci_conf_read(pa->pa_pc, pa->pa_tag, MTD_PCI_LOIO) & 0x300) { pa->pa_flags &= ~PCI_FLAGS_IO_ENABLED; command &= ~PCI_COMMAND_IO_ENABLE; } pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); if (command & PCI_COMMAND_MEM_ENABLE) { if (pci_mapreg_map(pa, MTD_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, &sc->sc_bust, &sc->sc_bush, NULL, &iosize, 0)) { printf(": can't map mem space\n"); return; } } else { if (pci_mapreg_map(pa, MTD_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_bust, &sc->sc_bush, NULL, &iosize, 0)) { printf(": can't map io space\n"); return; } } /* * Allocate our interrupt. */ if (pci_intr_map(pa, &ih)) { printf(": couldn't map interrupt\n"); bus_space_unmap(sc->sc_bust, sc->sc_bush, iosize); return; } intrstr = pci_intr_string(pa->pa_pc, ih); if (pci_intr_establish(pa->pa_pc, ih, IPL_NET, mtd_intr, sc, self->dv_xname) == NULL) { printf(": couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); bus_space_unmap(sc->sc_bust, sc->sc_bush, iosize); return; } printf(": %s", intrstr); sc->sc_dmat = pa->pa_dmat; mtd_attach(sc); }