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-rw-r--r--arch/arm/Kconfig15
-rw-r--r--arch/arm/Makefile2
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f94729785d9..8468902333a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1940,6 +1940,21 @@ config DEPRECATED_PARAM_STRUCT
This was deprecated in 2001 and announced to live on for 5 years.
Some old boot loaders still use this way.
+config BUILD_ARM_APPENDED_DTB_IMAGE
+ bool "Build a concatenated zImage/dtb by default"
+ depends on OF
+ help
+ Enabling this option will cause a concatenated zImage and DTB to
+ be built by default (instead of a standalone zImage.) The image
+ will built in arch/arm/boot/zImage-dtb.<dtb name>
+
+config BUILD_ARM_APPENDED_DTB_IMAGE_NAME
+ string "Default dtb name"
+ depends on BUILD_ARM_APPENDED_DTB_IMAGE
+ help
+ name of the dtb to append when building a concatenated
+ zImage/dtb.
+
# Compressed boot loader in ROM. Yes, we really want to ask about
# TEXT and BSS so we preserve their values in the config files.
config ZBOOT_ROM_TEXT
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index ee4605f400b..671f2211a6e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -268,6 +268,8 @@ libs-y := arch/arm/lib/ $(libs-y)
# Default target when executing plain make
ifeq ($(CONFIG_XIP_KERNEL),y)
KBUILD_IMAGE := xipImage
+else ifeq ($(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE),y)
+KBUILD_IMAGE := zImage-dtb.$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAME)
else
KBUILD_IMAGE := zImage
endif