imx6ul fuse read

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imx6ul fuse read

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玉栋郭
Contributor III

hi~ 

I'm using imx6ul。I want to read fuse value using uboot.

fuse read <bank> <word>

what is bank?  what is word?

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turmary
Contributor I

The Reference Manual could tell us what bank, what word map to fuse address.

Chatper On-Chip OTP Controller (OCOTP_CTRL) :

efuse-bank-word.png

bank0,word1 map to Address 0x21B_C410 (0x410).

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joanxie
NXP TechSupport
NXP TechSupport

read fuse you can use tools in uboot named imxotp,

imxotp read <index>

- read fuse at 'index'

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