devices.c

ARM的bootloader代码.rar

/*
 * (C) Copyright 2000
 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), [e-mail]
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <armboot.h>
#include <stdarg.h>
#include <malloc.h>
#include <devices.h>

list_t		devlist = 0 ;

static int drv_system_init (void)
{
    return 0;
}

/*
 * *************************************************************************
 * DEVICES
 **************************************************************************
 */
int device_register (device_t *dev)
{
    ListInsertItem (devlist, dev, LIST_END);
    return 0 ;
}


int devices_init (ulong relocation_offset)
{
    /* Initialize the list */
    devlist = ListCreate(sizeof(device_t)) ;

    if (devlist == NULL) {
	eputs("Cannot initialize the list of devices!\n");
	return -1 ;
    }
   
    drv_system_init();

    return ListNumItems(devlist) ;
}

int devices_done (void)
{
    ListDispose(devlist);

    return 0 ;
}