Reserve 4 kiB of space in R-Car Gen3 DTs when those DTs are compiled
to permit patching in OpTee-OS /firmware node, /reserved-memory node
and possibly also additional /memory@ nodes.

Signed-off-by: Marek Vasut <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Tom Rini <[email protected]>
---
 arch/arm/dts/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 1ce44204ec..b9aa44b5d8 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -749,6 +749,10 @@ dtb-$(CONFIG_RCAR_GEN3) += \
        r8a77990-ebisu-u-boot.dtb \
        r8a77995-draak-u-boot.dtb
 
+ifdef CONFIG_RCAR_GEN3
+DTC_FLAGS += -R 4 -p 0x1000
+endif
+
 dtb-$(CONFIG_RZA1) += \
        r7s72100-gr-peach-u-boot.dtb
 
-- 
2.25.1

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