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ARM: dts: renesas: Reserve space in 64bit R-Car DTs

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Reserve 4 kiB of space in 64bit R-Car DTs when those DTs are compiled
to permit patching in OpTee-OS /firmware node, /reserved-memory node,
possibly also additional /memory@ nodes and RPC node by TFA.

This duplicates behavior in arch/arm/dts/Makefile with OF_UPSTREAM.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
This commit is contained in:
Marek Vasut 2024-05-19 22:40:07 +02:00
parent 7764f147f9
commit f34c5cd11b
1 changed files with 4 additions and 0 deletions
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4
dts/upstream/src/arm64/Makefile
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@ -7,6 +7,10 @@ targets += $(dtb-y)
# Add any required device tree compiler flags here
DTC_FLAGS += -a 0x8
ifdef CONFIG_RCAR_64
DTC_FLAGS += -R 4 -p 0x1000
endif
PHONY += dtbs
dtbs: $(addprefix $(obj)/, $(dtb-y))
@: