Re: [PATCH v3 08/10] MIPS: port all mach* to multiimage

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On Wed, Dec 05, 2018 at 02:58:12PM +0100, Oleksij Rempel wrote:
> Am 05.12.18 um 09:50 schrieb Antony Pavlov:
> > I suppose there is a problem with simultaneous debug_ll support for AR9344 and AR9331 in one binary.
> > the Kconfig DEBUG_AR9331_UART and DEBUG_AR9344_UART options are mutually exclusive.
> > 
> > Your approach makes it possible to build barebox binary image for AR9331 board with debug_ll code for AR9344
> > and vice versa.
> 
> yes, same issues as with most of DEBUG_LL related configurations in
> common/Kconfig. It is possible to misconfigure the DEBUG_LL for board or
> SoC. Currently I don't have a solution except of remove DEBUG_LL support
> completely from Kconfig for MIPS, or introduce some dynamic
> configuration, which is not related to this patch set.

At least on ARM with multi image support you have to make sure to chose
the correct DEBUG_LL UART that fits the board. Or to put the other way
round: Enabling DEBUG_LL limits the build to a single board only, thus it
should only be enabled during debugging.

Sascha

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