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 --- Cc: Sumit Garg sumit.garg@linaro.org Cc: Tom Rini trini@konsulko.com --- dts/upstream/src/arm64/Makefile | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/dts/upstream/src/arm64/Makefile b/dts/upstream/src/arm64/Makefile index 9a8f6aa3584..26a83d3d29d 100644 --- a/dts/upstream/src/arm64/Makefile +++ b/dts/upstream/src/arm64/Makefile @@ -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)) @: