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i.MX6 Fuse writing from Kernel

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i.MX6 Fuse writing from Kernel

‎05-13-2016 12:36 AM
2,237 Views
colinwernham
Contributor II

I want to read and blow fuses from the Linux 4.1+ kernel, but there is no driver for this. These was one for the 3.14.14 kernel called fsl_otp, but a simple transfer of this driver does not work.

Has anyone got a driver for 4.1+? It must be able to blow fuses.

Note that I want to do this from the kernel, not the u-boot.

Thanks.

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‎05-13-2016 01:26 AM
1,780 Views
Yuri
NXP Employee
NXP Employee

Hello,

  Have You tried the recent NXP Linux BSP   (4.1.15_1.1.0 [Current Release])?

i.MX 6 Series Software and Development Tool|NXP

Have a great day,
Yuri

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‎06-28-2016 03:41 AM
1,780 Views
lmhdoms
Contributor III

Yuri, thanks for the hint, I had the same need and I was able to pick the fsl_otp driver for use in linux-fslc 4.1.7.

Here are the relevant patches:

http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/log/?h=imx_4.1.15_1.0.0_ga&qt=grep&q=MLK...

Regards,

Lars

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