[U-Boot] Board specific hook for performing pre-os tweaks

[Chris Packham]

Hi,

Is there any hook for performing board specific actions prior to
booting the OS. A quick google search turned up this thread from
2014[1]. But the eventual outcome seemed to be that the device model
will take care of restoring devices to their unused state, for
anything else there is arch_preboot_os() which may get renamed to drop
the arch_ part at some point.

Is using arch_preboot_os() still the best place to perform board
specific tweaks for the OS?

Thanks,
Chris
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http://article.gmane.org/gmane.comp.boot-loaders.u-boot/200283