Hi Wolfram, On 14 April 2019 12:10, Wolfram Sang wrote: > Tested with a Renesas Lager board (R-Car H2, DA9063AD), checking the initial > timeout value via sysfs. I didn't test handover from bootloader because my > bootloader neither supports WDT or I2C out of the box. Can I please check there is no mistake in your description. I have been repeatedly told by the hardware engineers here, (for the past 6 years) it is not possible. But, you seem to have an R-Car H2 with the AD silicon version of DA9063? Regards, Steve