imx6ul fuse read

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

imx6ul fuse read

1,443 Views
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?

Labels (2)
Tags (1)
0 Kudos
2 Replies

964 Views
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).

0 Kudos

964 Views
joanxie
NXP TechSupport
NXP TechSupport

read fuse you can use tools in uboot named imxotp,

imxotp read <index>

- read fuse at 'index'

0 Kudos