To check the fuse value, the following uboot command can be used. If bit1 of fuse value is zero, the security config is not initialized. Just in case. TBS-MatrixTV-V1.0.1.1/Profiles/MX6Q\ Linux\ Update/OS\ Firmware/files/u-boot-matrix.imx U-Boot 2013.04 (Oct 28 2014 - 18:06:53): U-boot> imxotp read ...
If an infinite loop occurs when the hwclock commnad will be executed, the reason is as follows. The board version 1.3 that I have, the fuse has not been initialized. Security configuration in addition to the MAC address was also uninitialized state. To use internal RTC(snvs_rtc), SEC_CONFIG[0] bit m...