nios2: enable device tree control of U-Boot
This patch adds device tree control of U-Boot to nios2 boards.
The example dts is taken from Linux kernel.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/arch/nios2/dts/Makefile b/arch/nios2/dts/Makefile
new file mode 100644
index 0000000..b40eca9
--- /dev/null
+++ b/arch/nios2/dts/Makefile
@@ -0,0 +1,11 @@
+dtb-y += $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%).dtb
+
+targets += $(dtb-y)
+
+DTC_FLAGS += -R 4 -p 0x1000
+
+PHONY += dtbs
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+ @:
+
+clean-files := *.dtb