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/*

 *  This file contains the RTC driver table for the DY-4 DMV177.

 *

 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997.

 *  On-Line Applications Research Corporation (OAR).

 *  All rights assigned to U.S. Government, 1994.

 *

 *  $Id: todcfg.c,v 1.2 2001-09-27 12:00:35 chris Exp $

 */

#include <bsp.h>

#include <libchip/rtc.h>

#include <libchip/icm7170.h>

/*

 * Configuration specific probe routines

 *

 * NOTE:  There are no DMV177 specific configuration routines.  These

 *        routines could be written to dynamically determine what type

 *        of real-time clock is on this board.  This would be useful for

 *        a BSP supporting multiple board models.

 */

/* NONE CURRENTLY PROVIDED */

/*

 * The following table configures the RTC drivers used in this BSP.

 *

 * The first entry which, when probed, is available, will be named /dev/rtc,

 * all others being given the name indicated.

 */

boolean dmv177_icm7170_probe(int minor);

rtc_tbl RTC_Table[] = {

        {

                "/dev/rtc0",                    /* sDeviceName */

                RTC_ICM7170,                    /* deviceType */

                &icm7170_fns,                   /* pDeviceFns */

                dmv177_icm7170_probe,           /* deviceProbe */

                (void *) ICM7170_AT_1_MHZ,      /* pDeviceParams */

                DMV170_RTC_ADDRESS,             /* ulCtrlPort1 */

                NULL,                           /* ulDataPort */

                icm7170_get_register_8,         /* getRegister */

                icm7170_set_register_8,         /* setRegister */

        }

};

/*

 *  Declare some information used by the RTC driver

 */

#define NUM_RTCS (sizeof(RTC_Table)/sizeof(rtc_tbl))

unsigned long  RTC_Count = NUM_RTCS;

rtems_device_minor_number  RTC_Minor;

/*

 *  Hopefully, by checking the card resource register, this BSP

 *  will be able to operate on the DMV171, DMV176, or DMV177.

 */

boolean dmv177_icm7170_probe(int minor)

{

  volatile unsigned16 *card_resource_reg;

  unsigned16 v;

  card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG;

  v = *card_resource_reg & DMV170_RTC_INST_MASK;

  if ( v == DMV170_RTC_INSTALLED )

    return TRUE;

  return FALSE;

}