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authorStephen Warren <swarren@wwwdotorg.org>2016-02-05 22:45:47 -0700
committerTom Rini <trini@konsulko.com>2016-02-08 10:22:42 -0500
commit89ca1000caefcfaeb06fdb9fcc8fdc09c318d26a (patch)
tree5b04ecaf5551c41e13c192c778ff2695f830f663 /arch/powerpc
parent685dc83af4c8d007c63e0a4a1a3cb9549ce7039a (diff)
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ARM: rpi: set fdt_high in the default environment
The ARM Linux kernel requires the DT to be in memory accessible early during the boot process. This always happens naturally on the RPi 1, since the maximum memory size of 512MiB, and additionally some of that is reserved for use by the GPU. The RPi 2 has 1GiB of RAM (minus some GPU usage), and so if the DT is relocated to the top of RAM, Linux cannot access it. Prevent this from happening by setting fdt_high. Cc: Daniel Stone <daniels@collabora.com> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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