[PATCH 4/9] ARM: add CONFIG_PHYS_OFFSET default values
Arnd Bergmann
arnd at arndb.de
Fri Feb 19 08:23:44 PST 2016
On Friday 19 February 2016 11:10:22 Nicolas Pitre wrote:
> On Fri, 19 Feb 2016, Arnd Bergmann wrote:
>
> > On Thursday 18 February 2016 11:02:33 Nicolas Pitre wrote:
> > >
> > > Acked-by: Nicolas Pitre <nico at linaro.org>
> > >
> > > Is there a way to provide a default for defaults?
...
> > and then select one of the bool symbols from each platform.
> > Would that address your question?
>
> Yes, but the ugliness factor isn't worth it IMHO.
>
> I was wondering if something like this was possible:
>
> config PHYS_OFFSET
> hex "Physical address of main memory" if MMU
> default DRAM_BASE if !MMU
> default 0x10000000 if FOO
> default 0x20000000 if BAR
> default 0x30000000 if BAZ
> default 0x00000000
>
Ah, that was my previous approach, but Russell didn't like
how it makes it easier to fall back to an incorrect address
instead of forcing a build error when the address is not
configured.
Arnd
More information about the linux-arm-kernel
mailing list