imx8mm GP5 fuse

[marcomigliore]

Hi,

I am trying to figure out how to read and write the General purpose fuse register #5 on imx8mm.

The reference manual states that it exist and can hold 384 bits.

But I cannot find it in the OCOTP registers (there are only GP1 and GP2).

Can someone help on how to read/write this fuse in uboot?

Thanks,

Marco

[hberntsen]

@b36401, that one only seems to list the fuse shadow memory which does not contain the GP5 registers.

@marcomigliorehave you already found a solution?

[b36401]

In Linux the fuses are accessible for reading with the sysfs under /sys/bus/nvmem/devices/imx-ocotp0/nvmem point.