[U-Boot] [PATCH 1/4] tegra2: Avoid warnings if CONFIG_SYS_TEXT_BASE is redefined.

[Thierry Reding <thierry.reding@avionic-design.de>]

* Simon Glass wrote:
> Hi Stephen,
> 
> On Mon, Nov 14, 2011 at 9:09 AM, Stephen Warren <swarren@nvidia.com> wrote:
> > Thierry Reding wrote at Monday, November 14, 2011 6:22 AM:
> >> If a board configuration file redefines CONFIG_SYS_TEXT_BASE, the U-Boot
> >> build system will usually define it explicitly on the compiler command-
> >> line, which will cause the define in tegra2-common.h to emit a
> >> redefinition warning.
> >>
> >> To allow boards to redefine CONFIG_SYS_TEXT_BASE, tegra2-common.h now
> >> only defines CONFIG_SYS_TEXT_BASE when it isn't already defined by the
> >> board configuration or the command-line respectively.
> >
> > Instead of doing this, wouldn't it make sense to just switch all Tegra
> > boards to TEXT_BASE=00108000 to match NVIDIA's flashing tool's assumptions?
> > That way, no board would need to override TEXT_BASE at all.
> >
> > These assumptions are true for all boards in the standard flashing tool
> > builds; it's just that non-standard builds exist for some boards (those
> > that happened to be upstreamed to U-Boot first) that allow use of 00e08000
> > instead.
> >
> > Tom, Simon, what are your thoughts here?
> 
> I was going to say the same thing.

Okay, I can integrate that into the second version. Or would you prefer a
separate patch?

Thierry
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