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Always boot from SD

Question asked by Jose Luis Zabalza on Sep 27, 2018
Latest reply on Oct 3, 2018 by Jose Luis Zabalza

Hello

 I have a custom board with iMX6ULL with switches for boot configuration.

The problem is that the board always boot from SD and never from NAND no matter the switch positions.

The NAND-Flash can be written from u-boot and Linux.

I checked the tracks configuring the pad as GPIO, so the routing is correct.

 

The fuses are not burning

 

root@imx6ull:~# cat /sys/fsl_otp/HW_OCOTP_CFG4
0x0
root@imx6ull:~# cat /sys/fsl_otp/HW_OCOTP_CFG5
0x0

 

Is there any explanation for this behavior?

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