Return to mainbus.c CVS log

Up to [local] / sys / arch / mvmeppc / dev

Annotation of sys/arch/mvmeppc/dev/mainbus.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: mainbus.c,v 1.10 2004/11/18 16:10:43 miod Exp $       */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Author: Chris G. Demetriou
        !             8:  *
        !             9:  * Permission to use, copy, modify and distribute this software and
        !            10:  * its documentation is hereby granted, provided that both the copyright
        !            11:  * notice and this permission notice appear in all copies of the
        !            12:  * software, derivative works or modified versions, and any portions
        !            13:  * thereof, and that both notices appear in supporting documentation.
        !            14:  *
        !            15:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            16:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            17:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            18:  *
        !            19:  * Carnegie Mellon requests users of this software to return to
        !            20:  *
        !            21:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            22:  *  School of Computer Science
        !            23:  *  Carnegie Mellon University
        !            24:  *  Pittsburgh PA 15213-3890
        !            25:  *
        !            26:  * any improvements or extensions that they make and grant Carnegie the
        !            27:  * rights to redistribute these changes.
        !            28:  */
        !            29:
        !            30: #include <sys/param.h>
        !            31: #include <sys/systm.h>
        !            32: #include <sys/device.h>
        !            33: #include <sys/reboot.h>
        !            34:
        !            35: #include <machine/autoconf.h>
        !            36:
        !            37: struct mainbus_softc {
        !            38:        struct  device sc_dv;
        !            39:        struct  bushook sc_bus;
        !            40: };
        !            41:
        !            42: void   mbattach(struct device *, struct device *, void *);
        !            43: int    mbmatch(struct device *, void *, void *);
        !            44: int    mbprint(void *, const char *);
        !            45:
        !            46: struct cfattach mainbus_ca = {
        !            47:        sizeof(struct mainbus_softc), mbmatch, mbattach
        !            48: };
        !            49: struct cfdriver mainbus_cd = {
        !            50:        NULL, "mainbus", DV_DULL
        !            51: };
        !            52:
        !            53: int
        !            54: mbmatch(struct device *parent, void *cfdata, void *aux)
        !            55: {
        !            56:        return (1);
        !            57: }
        !            58:
        !            59: void
        !            60: mbattach(struct device *parent, struct device *self, void *aux)
        !            61: {
        !            62:        struct mainbus_softc *sc = (struct mainbus_softc *)self;
        !            63:        struct confargs nca;
        !            64:        u_int8_t systype;
        !            65:        int cpu;
        !            66:        extern vaddr_t isaspace_va;
        !            67:
        !            68:        /* Pretty print the system type */
        !            69:        printf(": ");
        !            70:        switch ((systype = *(u_int8_t *)(isaspace_va + MVME_STATUS_REG))) {
        !            71:        default:
        !            72:                printf("unknown system type %x", systype);
        !            73:                break;
        !            74:        case MVMETYPE_RESERVED:
        !            75:                /* if you ever have this one, please contact me -- miod */
        !            76:                printf("Dahu MVME");
        !            77:                break;
        !            78:        case MVMETYPE_2600_712:
        !            79:                cpu = ppc_mfpvr() >> 16;
        !            80:                if (cpu == PPC_CPU_MPC750)
        !            81:                        printf("MVME2700 (712-compatible)");
        !            82:                else
        !            83:                        printf("MVME2600 (712-compatible)");
        !            84:                break;
        !            85:        case MVMETYPE_2600_761:
        !            86:                cpu = ppc_mfpvr() >> 16;
        !            87:                if (cpu == PPC_CPU_MPC750)
        !            88:                        printf("MVME2700 (761-compatible)");
        !            89:                else
        !            90:                        printf("MVME2600 (761-compatible)");
        !            91:                break;
        !            92:        case MVMETYPE_3600_712:
        !            93:                printf("MVME3600 or MVME4600 (712-compatible)");
        !            94:                break;
        !            95:        case MVMETYPE_3600_761:
        !            96:                printf("MVME3600 or MVME4600 (761-compatible)");
        !            97:                break;
        !            98:        case MVMETYPE_1600:
        !            99:                printf("MVME1600");
        !           100:                break;
        !           101:        }
        !           102:        printf("\n");
        !           103:
        !           104:        sc->sc_bus.bh_dv = (struct device *)sc;
        !           105:        sc->sc_bus.bh_type = BUS_MAIN;
        !           106:        sc->sc_bus.bh_intr_establish = NULL;
        !           107:        sc->sc_bus.bh_intr_disestablish = NULL;
        !           108:        sc->sc_bus.bh_matchname = NULL;
        !           109:
        !           110:        /*
        !           111:         * Try to find and attach all of the CPUs in the machine.
        !           112:         * Right now only one CPU is supported, so this is simple.
        !           113:         * Need to change for real MVME4600 support.
        !           114:         */
        !           115:
        !           116:        nca.ca_name = "cpu";
        !           117:        nca.ca_bus = &sc->sc_bus;
        !           118:        config_found(self, &nca, mbprint);
        !           119:
        !           120:        /*
        !           121:         * Attach the BUG terminal services if necessary.
        !           122:         */
        !           123:        nca.ca_name = "bugtty";
        !           124:        nca.ca_bus = &sc->sc_bus;
        !           125:        config_found(self, &nca, mbprint);
        !           126:
        !           127:        /*
        !           128:         * Find and attach the PCI Northbridge. It will find and attach
        !           129:         * everything.
        !           130:         */
        !           131:        nca.ca_name = "raven";
        !           132:        nca.ca_bus = &sc->sc_bus;
        !           133:        config_found(self, &nca, mbprint);
        !           134: }
        !           135:
        !           136: int
        !           137: mbprint(void *aux, const char *pnp)
        !           138: {
        !           139:        if (pnp)
        !           140:                return (QUIET);
        !           141:        return (UNCONF);
        !           142: }