FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sparc64/eeprom.c

     /*
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      * Copyright (c) 1994 Gordon W. Ross
      * Copyright (c) 1993 Adam Glass
      * Copyright (c) 1996 Paul Kranenburg
      * Copyright (c) 1996
      *      The President and Fellows of Harvard College. All rights reserved.
      *
     * This software was developed by the Computer Systems Engineering group
     * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     * contributed to Berkeley.
     *
     * All advertising materials mentioning features or use of this software
     * must display the following acknowledgement:
     *      This product includes software developed by Harvard University.
     *      This product includes software developed by the University of
     *      California, Lawrence Berkeley Laboratory.
     *
     * 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 by the University of
     *      California, Berkeley and its contributors.
     *      This product includes software developed by Paul Kranenburg.
     *      This product includes software developed by Harvard University.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
     *
     *      from: @(#)clock.c       8.1 (Berkeley) 6/11/93
     *      from: NetBSD: clock.c,v 1.41 2001/07/24 19:29:25 eeh Exp
     *
     * $FreeBSD: releng/5.2/sys/sparc64/sparc64/eeprom.c 119352 2003-08-23 05:56:58Z marcel $
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>
    #include <sys/resource.h>
    
    #include <machine/bus.h>
    #include <machine/idprom.h>
    #include <machine/resource.h>
    
    #include <sys/rman.h>
    
    #include <dev/ofw/openfirm.h>
    
    #include <machine/eeprom.h>
    
    #include <dev/mk48txx/mk48txxreg.h>
    
    #include "clock_if.h"
    
    devclass_t eeprom_devclass;
    
    
    #define IDPROM_OFFSET (8 * 1024 - 40)   /* XXX - get nvram size from driver */
    
    int
    eeprom_attach(device_t dev, phandle_t node, bus_space_tag_t bt,
        bus_space_handle_t bh)
    {
            struct timespec ts;
            struct idprom *idp;
            char *model;
            int error, i;
            u_int32_t h;
    
            if (OF_getprop_alloc(node, "model", 1, (void **)&model) == -1)
                    panic("eeprom_attach: no model property");
    
            /* Our TOD clock year 0 is 1968 */
            if ((error = mk48txx_attach(dev, bt, bh, model, 1968)) != 0) {
                    device_printf(dev, "Can't attach %s tod clock", model);
                    free(model, M_OFWPROP);
                   return (error);
           }
           /* XXX: register clock device */
   
           /* Get the host ID from the prom. */
           idp = (struct idprom *)((u_long)bh + IDPROM_OFFSET);
           h = bus_space_read_1(bt, bh, IDPROM_OFFSET +
               offsetof(struct idprom, id_machine)) << 24;
           for (i = 0; i < 3; i++) {
                   h |= bus_space_read_1(bt, bh, IDPROM_OFFSET +
                       offsetof(struct idprom, id_hostid[i])) << ((2 - i) * 8);
           }
           /* XXX: register host id */
           device_printf(dev, "hostid %x\n", (u_int)h);
           if (bootverbose) {
                   mk48txx_gettime(dev, &ts);
                   device_printf(dev, "current time: %ld.%09ld\n", (long)ts.tv_sec,
                       ts.tv_nsec);
           }
   
           return (0);
   }
   

Cache object: 7e6f9c1aced18941923d6a4f7300f423