[U-Boot] Detecting board revision that needs to be done after relocation

[Marek Vasut]

Dear Fabio Estevam,

> Hi,
> 
> I need to provide a get_board_rev() function that depends on I2C probe
> of a PMIC to decide between the board revision.
> 
> I2C is only available after relocation,

On arm? Not at all ;-) check arch/arm/lib/board.c

> so what is the correct way to
> "delay" get_board_rev, so that it gets called only at a time when I2C
> is ready?

Well ... implement board-specific hack in your boardfile that detects the PMIC 
early?

> Thanks,
> 
> Fabio Estevam
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Best regards,
Marek Vasut