[Buildroot] [PATCH] dtb: provide option to install dtb to boot directory
Gary Coulbourne
bear at bears.org
Thu Dec 20 22:22:27 UTC 2012
Signed-off-by: Gary Coulbourne <bear at bears.org>
---
linux/Config.in | 6 ++++++
linux/linux.mk | 7 +++++++
2 files changed, 13 insertions(+)
diff --git a/linux/Config.in b/linux/Config.in
index 9ebe0c9..8918297 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -284,6 +284,12 @@ config BR2_LINUX_KERNEL_INSTALL_TARGET
/boot in the target root filesystem, as is typically done on
x86/x86_64 systems.
+config BR2_LINUX_DEVICE_TREE_INSTALL_TARGET
+ bool "Install Device Tree to /boot in target"
+ depends on BR2_LINUX_KERNEL_DTS_SUPPORT
+ help
+ Select this option to have the device tree installed to
+ /boot in the target root filesystem.
# Linux extensions
source "linux/Config.ext.in"
diff --git a/linux/linux.mk b/linux/linux.mk
index 3321d80..6d8c752 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -211,6 +211,12 @@ define LINUX_APPEND_DTB
endef
endif
+ifeq ($(BR2_LINUX_DEVICE_TREE_INSTALL_TARGET),y)
+define LINUX_INSTALL_DTB_TO_TARGET
+ install -m 0644 -D $(KERNEL_ARCH_PATH)/boot/$(KERNEL_DTS_NAME).dtb $(TARGET_DIR)/boot/$(KERNEL_DTS_NAME).dtb
+endef
+endif
+
# Compilation. We make sure the kernel gets rebuilt when the
# configuration has changed.
define LINUX_BUILD_CMDS
@@ -247,6 +253,7 @@ endef
define LINUX_INSTALL_TARGET_CMDS
$(LINUX_INSTALL_KERNEL_IMAGE_TO_TARGET)
$(LINUX_INSTALL_DTB)
+ $(LINUX_INSTALL_DTB_TO_TARGET)
# Install modules and remove symbolic links pointing to build
# directories, not relevant on the target
@if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \
--
1.7.10.4
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