We are having custom board based on imx8qxp.
We have enabled following option in menu config.
ARM architecture -> Support i.MX 8 AHAB features
We are not able to write fuse in uboot. See below log.
=> fuse prog -y 0 730 0x1a2f7ab3
Programming bank 0 word 0x000002da to 0x1a2f7ab3...
Warning: Words in this index range have ECC protection
and can only be programmed once per word. Individual bit
operations will be rejected after the first one.
Really program this word? <y/N>
y
ERROR
Do we need to enable anything in u-boot ?
After first write only we get this error. it never worked for us.