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[U-Boot,v3,04/16] sandbox: Build a device tree file for sandbox

Message ID 1371613960-28678-5-git-send-email-sjg@chromium.org
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Simon Glass June 19, 2013, 3:52 a.m. UTC 
Add support for building a device tree for sandbox's CONFIG_OF_HOSTFILE
option to make it easier to use device tree with sandbox.

This adjusts the Makefile to build a u-boot.dtb file which can be passed
to sandbox U-Boot with:

   ./u-boot -d u-boot.dtb

Signed-off-by: Simon Glass <sjg@chromium.org>
---
Changes in v3:
- Add new patch to build a device tree file for sandbox

Changes in v2: None

 Makefile                      |  1 +
 arch/sandbox/config.mk        |  2 ++
 board/sandbox/dts/sandbox.dts | 20 ++++++++++++++++++++
 include/configs/sandbox.h     |  1 +
 4 files changed, 24 insertions(+)
 create mode 100644 board/sandbox/dts/sandbox.dts
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Patch

diff --git a/Makefile b/Makefile
index 693b3f2..ed8068b 100644
--- a/Makefile
+++ b/Makefile
@@ -413,6 +413,7 @@  ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
+ALL-$(CONFIG_OF_HOSTFILE) += $(obj)u-boot.dtb
 ifneq ($(CONFIG_SPL_TARGET),)
 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
 endif
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk
index 988b52c..52d164f 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -23,3 +23,5 @@  PLATFORM_LIBS += -lrt
 
 # Support generic board on sandbox
 __HAVE_ARCH_GENERIC_BOARD := y
+
+CONFIG_ARCH_DEVICE_TREE := sandbox
diff --git a/board/sandbox/dts/sandbox.dts b/board/sandbox/dts/sandbox.dts
new file mode 100644
index 0000000..96a4438
--- /dev/null
+++ b/board/sandbox/dts/sandbox.dts
@@ -0,0 +1,20 @@ 
+/dts-v1/;
+
+/ {
+	triangle {
+		compatible = "demo-shape";
+		colour = "cyan";
+		sides = <3>;
+		character = <83>;
+	};
+	square {
+		compatible = "demo-shape";
+		colour = "blue";
+		sides = <4>;
+	};
+	hexagon {
+		compatible = "demo-simple";
+		colour = "white";
+		sides = <6>;
+	};
+};
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 78eda90..14f5f98 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -31,6 +31,7 @@ 
 #define CONFIG_LMB
 #define CONFIG_FIT
 #define CONFIG_CMD_FDT
+#define CONFIG_DEFAULT_DEVICE_TREE	sandbox
 
 #define CONFIG_FS_FAT
 #define CONFIG_FS_EXT4