[U-Boot] [PATCH] arm64: Juno/FVP: adjust kernel load address

Linus Walleij linus.walleij at linaro.org
Tue Jan 5 10:48:21 CET 2016


On Mon, Jan 4, 2016 at 4:43 PM, Andre Przywara <andre.przywara at arm.com> wrote:

> The default kernel load offset for an arm64 kernel is 0x80000, so
> U-Boot takes cares of moving the loaded kernel to a matching memory
> location just before booting it.
> Since we run with caches off, this takes a while for any decently
> sized kernel - with no output explaining the reason for the delay
> (unless one uses a DEBUG build).
> By adjusting the default load offset for Juno and VFP to be 512K
> aligned in the first place we can skip this copying and boot much
> faster.
> Tested on Juno.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Pretty cool. Almost deserves a comment directly in the config
file so people don't screw up the geniusness :)

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

Yours,
Linus Walleij


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