beagleboard:/# dmesg | grep twl_rtc
[1.778320] twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0
[1.785919] twl_rtc twl_rtc: Enabling TWL-RTC.
[2.147827] twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
beagleboard:/# hwclock --rtc=/dev/rtc0
select() to /dev/rtc0 to wait for clock tick timed out
beagleboard:/#