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Annotation of sys/arch/vax/vxt/if_ze_vxtbus.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_ze_vxtbus.c,v 1.2 2006/08/30 19:28:13 miod Exp $   */
        !             2: /*
        !             3:  * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *      This product includes software developed at Ludd, University of
        !            16:  *      Lule}, Sweden and its contributors.
        !            17:  * 4. The name of the author may not be used to endorse or promote products
        !            18:  *    derived from this software without specific prior written permission
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            21:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            22:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            23:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            24:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            25:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            26:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            27:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            28:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            29:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            30:  */
        !            31:
        !            32: #include <sys/param.h>
        !            33: #include <sys/systm.h>
        !            34: #include <sys/device.h>
        !            35: #include <sys/socket.h>
        !            36:
        !            37: #include <net/if.h>
        !            38: #include <net/if_dl.h>
        !            39: #include <netinet/in.h>
        !            40: #include <netinet/if_ether.h>
        !            41:
        !            42: #include <machine/bus.h>
        !            43: #include <machine/cpu.h>
        !            44: #include <machine/nexus.h>
        !            45:
        !            46: #include <vax/if/sgecreg.h>
        !            47: #include <vax/if/sgecvar.h>
        !            48:
        !            49: #include <vax/vxt/vxtbusvar.h>
        !            50:
        !            51: int    ze_vxt_match(struct device *, void *, void *);
        !            52: void   ze_vxt_attach(struct device *, struct device *, void *);
        !            53:
        !            54: struct cfattach ze_vxtbus_ca = {
        !            55:        sizeof(struct ze_softc), ze_vxt_match, ze_vxt_attach
        !            56: };
        !            57:
        !            58: int
        !            59: ze_vxt_match(struct device *parent, void *vcf, void    *aux)
        !            60: {
        !            61:        struct bp_conf *bp = aux;
        !            62:
        !            63:        if (strcmp(bp->type, "sgec") == 0)
        !            64:                return (1);
        !            65:        return (0);
        !            66: }
        !            67:
        !            68: void
        !            69: ze_vxt_attach(struct device *parent, struct device *self, void *aux)
        !            70: {
        !            71:        extern struct vax_bus_dma_tag vax_bus_dma_tag;
        !            72:        struct ze_softc *sc = (void *)self;
        !            73:        int *ea, i;
        !            74:
        !            75:        /*
        !            76:         * Map in SGEC registers.
        !            77:         */
        !            78:        sc->sc_ioh = vax_map_physmem(SGECADDR_VXT, 1);
        !            79:        sc->sc_iot = 0; /* :-) */
        !            80:        sc->sc_dmat = &vax_bus_dma_tag;
        !            81:
        !            82:        sc->sc_intvec = VXT_INTRVEC;
        !            83:        vxtbus_intr_establish(self->dv_xname, IPL_NET,
        !            84:            (int (*)(void *))sgec_intr, sc);
        !            85:
        !            86:        /*
        !            87:         * Map in, read and release ethernet rom address.
        !            88:         */
        !            89:        ea = (int *)vax_map_physmem(NISA_ROM_VXT, 1);
        !            90:        for (i = 0; i < ETHER_ADDR_LEN; i++)
        !            91:                sc->sc_ac.ac_enaddr[i] = ea[i] & 0xff;
        !            92:        vax_unmap_physmem((vaddr_t)ea, 1);
        !            93:
        !            94:        SET(sc->sc_flags, SGECF_VXTQUIRKS);
        !            95:        sgec_attach(sc);
        !            96: }