[PATCH u-boot-mvebu 1/5] arm: mvebu: a37xx: Add support for reading NB and SB fuse OTP value

Marek Behún marek.behun at nic.cz
Thu Feb 17 15:10:32 CET 2022

On Thu, 17 Feb 2022 10:26:15 +0100
Pali Rohár <pali at kernel.org> wrote:

> Implement it via U-Boot fuse API.

nitpick: In commit messages I prefer not to refer to commit title, i.e.
instead of
  Implement it via U-Boot fuse API.
I would write
  Implement reading NB and SB fuses of Armada 37xx SOC via U-Boot fuse
as the first sentence.

> Banks 0-43 are reserved for accessing Security OTP (not implemented yet).
> Bank 44 is used for accessing North Bridge OTP (69 bits via words 0-2).
> Bank 45 is used for accessing South Bridge OTP (97 bits via words 0-3).
> Write support is not implemented yet as it looks like that both North
> and South Bridge OTPs are already burned in factory with some data. Meaning
> of some bits of North Bridge are documented in WTMI source code. Meaning of
                               ^is (or meaningS are)               ^The
> bits in South Bridge is unknown.


Reviewed-by: Marek Behún <marek.behun at nic.cz>

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