[PATCH v3 1/3] arm: mvebu: mvebu_armada-37xx: Implement the mac command (Marvell hw_info)

Marek Behún marek.behun at nic.cz
Fri Aug 13 03:43:38 CEST 2021


On Fri, 13 Aug 2021 01:39:36 +0200
Luka Kovacic <luka.kovacic at sartura.hr> wrote:

> The mac command is implemented to enable parsing Marvell hw_info formatted
> environments. This format is often used on Marvell Armada A37XX based
> devices to store parameters like the board serial number, factory
> MAC addresses and some other information.
> These parameters are usually written to the flash in the factory.
> 
> Currently the mac command supports reading/writing parameters and dumping
> the current hw_info parameters.
> EEPROM config pattern and checksum aren't supported.
> 
> This functionality has been tested on the GST ESPRESSOBin-Ultra board
> successfully, both reading the stock U-Boot parameters in mainline U-Boot
> and reading the parameters written by this command in the stock U-Boot.
> 
> Usage example:
>  => mac read
>  => saveenv  

I think the mac/fuse commands should be killed and nvmem API should be
implemented as is in Linux, with a corresponding nvmem command.

Marek


More information about the U-Boot mailing list