[PATCH 1/7] arm: juno: Fix Juno address variables

Linus Walleij linus.walleij at linaro.org
Thu Mar 26 23:29:12 CET 2020

On Wed, Mar 25, 2020 at 3:47 PM Andre Przywara <andre.przywara at arm.com> wrote:

> The U-Boot documentation explains that variables ending with "_r" hold
> addresses in DRAM, while those without that ending point to flash/ROM.
> The default variables for the Juno board pointing to the kernel and DTB
> load addresses were not complying with this scheme: they lack the
> extension, but point to DRAM. This is particularly confusing since the
> Juno board features parallel NOR flash, so there *is* a memory mapped
> NOR address holding a DTB, for instance.
> Fix the variables to use the proper names. On the way adjust the FDT
> load address to be situated *before* the kernel, since users happened
> to overwrite the DTB by the kernel clearing its .BSS section during
> initialisation.
> That fixes loading debug kernels, which happened to overwrite the DTB on
> certain setups.
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> Reviewed-by: Liviu Dudau <liviu.dudau at arm.com>

Makes perfect sense.
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Linus Walleij

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