Ubuntu 12.04 TWL6030 set RTC

Ubuntu 12.04 set TWL6030 RTC to Sysclock

dmesg | grep twl_rtc
                        
[    3.459381] twl_rtc twl_rtc: Power up reset detected.                      
[    3.465728] twl_rtc twl_rtc: Enabling TWL-RTC                              
[    3.473937] twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0          
[    4.502288] twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:01 UTC)

sudo hwclock --systohc                        
sudo hwclock -r                                
Thu 03 Jan 2013 05:34:34 PM IST  -0.896698 seconds    

NOTE: msecure pin must be high for write access!