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i.MX6ULL read and write fusemap

Question asked by Mannsik Chung on Jul 25, 2017
Latest reply on Aug 2, 2017 by Mannsik Chung

Dear All.


The addresses of fusemap are 0x400, ...., 0x450, 0x460, 0x470, 0x6D0, etc.

And, only part of 0x450 is accessable by H/W BOOT_CFG pins.


How to access 0x430[21:20] from software or bootloader?

"md" command of u-boot is usable?


I want to read current setting of 0x430[21:20], TAMPER_PIN_DISABLE.

And, I want to change 0x430[21:20]. How can I change it?