/* $OpenBSD: if_fea.c,v 1.17 2004/05/12 06:35:10 tedu Exp $ */ /* $NetBSD: if_fea.c,v 1.9 1996/10/21 22:31:05 thorpej Exp $ */ /*- * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com> * 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. 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. * * Id: if_fea.c,v 1.6 1996/06/07 20:02:25 thomas Exp */ /* * DEC PDQ FDDI Controller * * This module support the DEFEA EISA FDDI Controller. */ #include <sys/param.h> #include <sys/kernel.h> #include <sys/mbuf.h> #include <sys/protosw.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/errno.h> #include <sys/malloc.h> #include <sys/device.h> #include <net/if.h> #include <net/if_types.h> #include <net/if_dl.h> #include <net/route.h> #include "bpfilter.h" #if NBPFILTER > 0 #include <net/bpf.h> #endif #ifdef INET #include <netinet/in.h> #include <netinet/in_systm.h> #include <netinet/in_var.h> #include <netinet/ip.h> #include <netinet/if_ether.h> #endif #include <net/if_fddi.h> #include <machine/cpu.h> #include <machine/bus.h> #include <dev/ic/pdqvar.h> #include <dev/ic/pdqreg.h> #include <dev/eisa/eisareg.h> #include <dev/eisa/eisavar.h> #include <dev/eisa/eisadevs.h> /* * */ void pdq_eisa_subprobe(bus_space_tag_t, bus_space_handle_t, u_int32_t *, u_int32_t *, u_int32_t *); void pdq_eisa_devinit(pdq_softc_t *); int pdq_eisa_match(struct device *, void *, void *); void pdq_eisa_attach(struct device *, struct device *, void *); #define DEFEA_INTRENABLE 0x8 /* level interrupt */ static int pdq_eisa_irqs[4] = { 9, 10, 11, 15 }; void pdq_eisa_subprobe(bc, iobase, maddr, msize, irq) bus_space_tag_t bc; bus_space_handle_t iobase; u_int32_t *maddr; u_int32_t *msize; u_int32_t *irq; { if (irq != NULL) *irq = pdq_eisa_irqs[PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_IO_CONFIG_STAT_0) & 3]; *maddr = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_0) << 8) | (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_1) << 16); *msize = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_MASK_0) + 4) << 8; } void pdq_eisa_devinit(sc) pdq_softc_t *sc; { u_int8_t data; bus_space_tag_t tag; tag = sc->sc_bc; /* * Do the standard initialization for the DEFEA registers. */ PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_FUNCTION_CTRL, 0x23); PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CMP_1_1, (sc->sc_iobase >> 8) & 0xF0); PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CMP_0_1, (sc->sc_iobase >> 8) & 0xF0); PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_SLOT_CTRL, 0x01); data = PDQ_OS_IORD_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF); #if defined(PDQ_IOMAPPED) PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF, data & ~1); #else PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF, data | 1); #endif data = PDQ_OS_IORD_8(tag, sc->sc_iobase, PDQ_EISA_IO_CONFIG_STAT_0); PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CONFIG_STAT_0, data | DEFEA_INTRENABLE); } int pdq_eisa_match(parent, match, aux) struct device *parent; void *match; void *aux; { struct eisa_attach_args *ea = (struct eisa_attach_args *) aux; if (strncmp(ea->ea_idstring, "DEC300", 6) == 0) return (1); return (0); } void pdq_eisa_attach(parent, self, aux) struct device *parent; struct device *self; void *aux; { pdq_softc_t *sc = (pdq_softc_t *) self; struct eisa_attach_args *ea = (struct eisa_attach_args *) aux; u_int32_t irq, maddr, msize; eisa_intr_handle_t ih; const char *intrstr; sc->sc_iotag = ea->ea_iot; bcopy(sc->sc_dev.dv_xname, sc->sc_if.if_xname, IFNAMSIZ); sc->sc_if.if_flags = 0; sc->sc_if.if_softc = sc; /* * NOTE: sc_bc is an alias for sc_csrtag and sc_membase is * an alias for sc_csrhandle. sc_iobase is used here to * check the card's configuration. */ if (bus_space_map(sc->sc_iotag, EISA_SLOT_ADDR(ea->ea_slot), EISA_SLOT_SIZE, 0, &sc->sc_iobase)) { printf("\n%s: failed to map I/O!\n", sc->sc_dev.dv_xname); return; } pdq_eisa_subprobe(sc->sc_iotag, sc->sc_iobase, &maddr, &msize, &irq); #if defined(PDQ_IOMAPPED) sc->sc_csrtag = sc->sc_iotag; sc->sc_csrhandle = sc->sc_iobase; #else if (maddr == 0 || msize == 0) { printf("\n%s: error: memory not enabled! ECU reconfiguration" " required\n", sc->sc_dev.dv_xname); return; } if (bus_space_map(sc->sc_csrtag, maddr, msize, 0, &sc->sc_csrhandle)) { bus_space_unmap(sc->sc_iotag, sc->sc_iobase, EISA_SLOT_SIZE); printf("\n%s: failed to map memory (0x%x-0x%x)!\n", sc->sc_dev.dv_xname, maddr, maddr + msize - 1); return; } #endif pdq_eisa_devinit(sc); sc->sc_pdq = pdq_initialize(sc->sc_bc, sc->sc_membase, sc->sc_if.if_xname, 0, (void *) sc, PDQ_DEFEA); if (sc->sc_pdq == NULL) { printf("%s: initialization failed\n", sc->sc_dev.dv_xname); return; } if (eisa_intr_map(ea->ea_ec, irq, &ih)) { printf("%s: couldn't map interrupt (%d)\n", sc->sc_dev.dv_xname, irq); return; } intrstr = eisa_intr_string(ea->ea_ec, ih); sc->sc_ih = eisa_intr_establish(ea->ea_ec, ih, IST_LEVEL, IPL_NET, (int (*)(void *)) pdq_interrupt, sc->sc_pdq, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } if (intrstr != NULL) printf(": interrupting at %s\n", intrstr); bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_arpcom.ac_enaddr, 6); pdq_ifattach(sc, NULL); sc->sc_ats = shutdownhook_establish((void (*)(void *)) pdq_hwreset, sc->sc_pdq); if (sc->sc_ats == NULL) printf("%s: warning: couldn't establish shutdown hook\n", self->dv_xname); #if !defined(PDQ_IOMAPPED) printf("%s: using iomem 0x%x-0x%x\n", sc->sc_dev.dv_xname, maddr, maddr + msize - 1); #endif } struct cfattach fea_ca = { sizeof(pdq_softc_t), pdq_eisa_match, pdq_eisa_attach }; struct cfdriver fea_cd = { 0, "fea", DV_IFNET };