source: rtems/c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c @ 3239698

4.104.114.84.95
Last change on this file since 3239698 was 3239698, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 15, 2004 at 1:26:21 PM

Remove stray white spaces.

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 *  This file contains the RTC driver table for the DY-4 DMV177.
3 *
4 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  $Id$
8 */
9
10#include <bsp.h>
11
12#include <libchip/rtc.h>
13#include <libchip/icm7170.h>
14
15/*
16 * Configuration specific probe routines
17 *
18 * NOTE:  There are no DMV177 specific configuration routines.  These
19 *        routines could be written to dynamically determine what type
20 *        of real-time clock is on this board.  This would be useful for
21 *        a BSP supporting multiple board models.
22 */
23
24/* NONE CURRENTLY PROVIDED */
25
26/*
27 * The following table configures the RTC drivers used in this BSP.
28 *
29 * The first entry which, when probed, is available, will be named /dev/rtc,
30 * all others being given the name indicated.
31 */
32
33boolean dmv177_icm7170_probe(int minor);
34
35rtc_tbl RTC_Table[] = {
36        {
37                "/dev/rtc0",                    /* sDeviceName */
38                RTC_ICM7170,                    /* deviceType */
39                &icm7170_fns,                   /* pDeviceFns */
40                dmv177_icm7170_probe,           /* deviceProbe */
41                (void *) ICM7170_AT_1_MHZ,      /* pDeviceParams */
42                DMV170_RTC_ADDRESS,             /* ulCtrlPort1 */
43                0,                              /* ulDataPort */
44                icm7170_get_register_8,         /* getRegister */
45                icm7170_set_register_8,         /* setRegister */
46        }
47};
48
49/*
50 *  Declare some information used by the RTC driver
51 */
52
53#define NUM_RTCS (sizeof(RTC_Table)/sizeof(rtc_tbl))
54
55unsigned long  RTC_Count = NUM_RTCS;
56
57rtems_device_minor_number  RTC_Minor;
58
59/*
60 *  Hopefully, by checking the card resource register, this BSP
61 *  will be able to operate on the DMV171, DMV176, or DMV177.
62 */
63
64boolean dmv177_icm7170_probe(int minor)
65{
66  volatile uint16_t   *card_resource_reg;
67  uint16_t   v;
68
69  card_resource_reg = (volatile uint16_t*) DMV170_CARD_RESORCE_REG;
70
71  v = *card_resource_reg & DMV170_RTC_INST_MASK;
72
73  if ( v == DMV170_RTC_INSTALLED )
74    return TRUE;
75
76  return FALSE;
77}
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