diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c b/c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c index 50f8d34fdb..1a94bc3da5 100644 --- a/c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c +++ b/c/src/lib/libbsp/powerpc/dmv177/tod/todcfg.c @@ -31,12 +31,14 @@ * 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 */ - rtc_probe, /* deviceProbe */ + dmv177_icm7170_probe, /* deviceProbe */ (void *) ICM7170_AT_1_MHZ, /* pDeviceParams */ DMV170_RTC_ADDRESS, /* ulCtrlPort1 */ NULL, /* ulDataPort */ @@ -54,3 +56,21 @@ rtc_tbl RTC_Table[] = { 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 unsigned32 *card_resource_reg; + + card_resource_reg = (volatile unsigned32 *) DMV170_CARD_RESORCE_REG; + + if ( *card_resource_reg & DMV170_RTC_PRESENT_BIT ) + return TRUE; + + return FALSE; +} + |