diff options
Diffstat (limited to 'sys/arch/vax/if/if_ze.c')
| -rw-r--r-- | sys/arch/vax/if/if_ze.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sys/arch/vax/if/if_ze.c b/sys/arch/vax/if/if_ze.c new file mode 100644 index 00000000000..66dbe4134a5 --- /dev/null +++ b/sys/arch/vax/if/if_ze.c @@ -0,0 +1,128 @@ +/* $OpenBSD: if_ze.c,v 1.1 2000/04/27 03:14:43 bjc Exp $ */ +/* $NetBSD: if_ze.c,v 1.3 2000/01/24 02:54:03 matt Exp $ */ +/* + * Copyright (c) 1999 Ludd, University of Lule}, Sweden. 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 at Ludd, University of + * Lule}, Sweden and its contributors. + * 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 <sys/param.h> +#include <sys/socket.h> +#include <sys/device.h> +#include <sys/systm.h> +#include <sys/sockio.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <netinet/in.h> +#include <netinet/if_ether.h> + +#if NBPFILTER > 0 +#include <net/bpf.h> +#include <net/bpfdesc.h> +#endif + +#include <machine/bus.h> +#include <machine/nexus.h> +#include <machine/cpu.h> +#include <machine/scb.h> + +#include <arch/vax/if/sgecreg.h> +#include <arch/vax/if/sgecvar.h> + +/* + * Adresses. + */ +#define SGECADDR 0x20008000 +#define NISA_ROM 0x20084000 +#define SGECVEC 0x108 + +static int zematch __P((struct device *, struct cfdata *, void *)); +static void zeattach __P((struct device *, struct device *, void *)); + +struct cfattach ze_ibus_ca = { + sizeof(struct ze_softc), (cfmatch_t)zematch, zeattach +}; + +struct cfdriver ze_cd = { + NULL, "ze", DV_IFNET +}; + +/* + * Check for present SGEC. + */ +int +zematch(parent, cf, aux) + struct device *parent; + struct cfdata *cf; + void *aux; +{ + struct bp_conf *bp = aux; + + /* + * Should some more intelligent checking be done??? + */ + if (strcmp(bp->type, "sgec") == 0) + return 1; + return 0; +} + +/* + * Interface exists: make available by filling in network interface + * record. System will initialize the interface when it is ready + * to accept packets. + */ +void +zeattach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + extern struct vax_bus_dma_tag vax_bus_dma_tag; + struct ze_softc *sc = (struct ze_softc *)self; + int *ea, i; + + /* + * Map in SGEC registers. + */ + sc->sc_ioh = vax_map_physmem(SGECADDR, 1); + sc->sc_iot = 0; /* :-) */ + sc->sc_dmat = &vax_bus_dma_tag; + + sc->sc_intvec = SGECVEC; + + /* + * Map in, read and release ethernet rom address. + */ + ea = (int *)vax_map_physmem(NISA_ROM, 1); + for (i = 0; i < ETHER_ADDR_LEN; i++) + sc->sc_ac.ac_enaddr[i] = (ea[i] >> 8) & 0377; + vax_unmap_physmem((vaddr_t)ea, 1); + + scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc, SCB_ISTACK); + + sgec_attach(sc); +} |