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Annotation of sys/arch/sparc64/dev/fhc_central.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: fhc_central.c,v 1.5 2004/09/27 18:32:35 jason Exp $   */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            26:  * POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #include <sys/types.h>
        !            30: #include <sys/param.h>
        !            31: #include <sys/systm.h>
        !            32: #include <sys/kernel.h>
        !            33: #include <sys/device.h>
        !            34: #include <sys/conf.h>
        !            35: #include <sys/timeout.h>
        !            36:
        !            37: #include <machine/bus.h>
        !            38: #include <machine/autoconf.h>
        !            39: #include <machine/openfirm.h>
        !            40:
        !            41: #include <sparc64/dev/centralvar.h>
        !            42: #include <sparc64/dev/fhcreg.h>
        !            43: #include <sparc64/dev/fhcvar.h>
        !            44:
        !            45: int    fhc_central_match(struct device *, void *, void *);
        !            46: void   fhc_central_attach(struct device *, struct device *, void *);
        !            47:
        !            48: struct cfattach fhc_central_ca = {
        !            49:        sizeof(struct fhc_softc), fhc_central_match, fhc_central_attach
        !            50: };
        !            51:
        !            52: int
        !            53: fhc_central_match(parent, match, aux)
        !            54:        struct device *parent;
        !            55:        void *match, *aux;
        !            56: {
        !            57:        struct central_attach_args *ca = aux;
        !            58:
        !            59:        if (strcmp(ca->ca_name, "fhc") == 0)
        !            60:                return (1);
        !            61:        return (0);
        !            62: }
        !            63:
        !            64: void
        !            65: fhc_central_attach(parent, self, aux)
        !            66:        struct device *parent, *self;
        !            67:        void *aux;
        !            68: {
        !            69:        struct fhc_softc *sc = (struct fhc_softc *)self;
        !            70:        struct central_attach_args *ca = aux;
        !            71:        u_int32_t board;
        !            72:
        !            73:        sc->sc_node = ca->ca_node;
        !            74:        sc->sc_bt = ca->ca_bustag;
        !            75:        sc->sc_is_central = 1;
        !            76:
        !            77:        if (central_bus_map(sc->sc_bt, ca->ca_reg[0].cbr_slot,
        !            78:            ca->ca_reg[0].cbr_offset, ca->ca_reg[0].cbr_size, 0,
        !            79:            &sc->sc_preg)) {
        !            80:                printf(": failed to map preg\n");
        !            81:                return;
        !            82:        }
        !            83:
        !            84:        if (central_bus_map(sc->sc_bt, ca->ca_reg[1].cbr_slot,
        !            85:            ca->ca_reg[1].cbr_offset, ca->ca_reg[1].cbr_size, 0,
        !            86:            &sc->sc_ireg)) {
        !            87:                printf(": failed to map ireg\n");
        !            88:                return;
        !            89:        }
        !            90:
        !            91:        if (central_bus_map(sc->sc_bt, ca->ca_reg[2].cbr_slot,
        !            92:            ca->ca_reg[2].cbr_offset, ca->ca_reg[2].cbr_size,
        !            93:            BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
        !            94:                printf(": failed to map freg\n");
        !            95:                return;
        !            96:        }
        !            97:
        !            98:        if (central_bus_map(sc->sc_bt, ca->ca_reg[3].cbr_slot,
        !            99:            ca->ca_reg[3].cbr_offset, ca->ca_reg[3].cbr_size,
        !           100:            BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
        !           101:                printf(": failed to map sreg\n");
        !           102:                return;
        !           103:        }
        !           104:
        !           105:        if (central_bus_map(sc->sc_bt, ca->ca_reg[4].cbr_slot,
        !           106:            ca->ca_reg[4].cbr_offset, ca->ca_reg[4].cbr_size,
        !           107:            BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
        !           108:                printf(": failed to map ureg\n");
        !           109:                return;
        !           110:        }
        !           111:
        !           112:        if (central_bus_map(sc->sc_bt, ca->ca_reg[5].cbr_slot,
        !           113:            ca->ca_reg[5].cbr_offset, ca->ca_reg[5].cbr_size,
        !           114:            BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
        !           115:                printf(": failed to map treg\n");
        !           116:                return;
        !           117:        }
        !           118:
        !           119:        board = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_BSR);
        !           120:        sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
        !           121:
        !           122:        fhc_attach(sc);
        !           123:        return;
        !           124: }