Aard

Cold boot:

[   19.247375] rtc-ds1307: probe of 3-0068 failed with error -5
[   19.248077] twl4030_rtc: dev (254:0)
[   19.248107] twl4030_rtc twl4030_rtc: rtc core: registered twl4030_rtc as rtc0
[   19.248260] twl4030_rtc twl4030_rtc: Power up reset detected.
[   19.248626] twl4030_rtc twl4030_rtc: Enabling TWL4030-RTC.
[   19.514801] twl4030_rtc twl4030_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)

Warm:
[  361.343475] rtc-ds1307 3-0068: rtc core: registered ds1307 as rtc0
[  361.343475] rtc-ds1307 3-0068: 56 bytes nvram
[  361.343780] twl4030_rtc: dev (254:1)
[  361.343811] twl4030_rtc twl4030_rtc: rtc core: registered twl4030_rtc as rtc1
[  361.608917] rtc-ds1307 3-0068: read error -121
[  361.609069] rtc-ds1307 3-0068: hctosys: unable to read the hardware clock
[  390.244750] rtc-ds1307 3-0068: read: 20 18 03 07 20 02 10
[  390.244781] rtc-ds1307 3-0068: read secs=20, mins=18, hours=3, mday=20, mon=1, year=110, wday=6