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authorNicolas Pitre <nicolas.pitre@linaro.org>2011-07-21 22:47:44 -0400
committerNicolas Pitre <nicolas.pitre@linaro.org>2011-07-21 22:47:44 -0400
commit1fc74af81b556d0582fd8aed1cef4a039b7b5051 (patch)
tree2bc9183a1f49bc7e7102723664a195ed60efe8ea /arch/arm/Kconfig
parent22648cbcf5efd94c2632b3fe8c5c90ae54df928d (diff)
parentfd454c1ab28387cc03618ef84cb172fa9f8fdeb4 (diff)
Merge branch 'zImage_DTB_append' of git://git.linaro.org/people/nico/linux into linaro-3.0linux-linaro-3.0-2011.07-0
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a1c3ea972d5..f38e275bea3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1752,6 +1752,25 @@ config ZBOOT_ROM_MMCIF
which in turn loads the rest the kernel image to RAM using the
MMCIF hardware block.
+config ARM_APPENDED_DTB
+ bool "Use appended device tree blob to zImage"
+ depends on OF && !ZBOOT_ROM
+ help
+ With this option, the boot code will look for a device tree binary
+ (dtb) appended to zImage
+ (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
+
+config ARM_ATAG_DTB_COMPAT
+ bool "Supplement the appended DTB with traditional ATAG information"
+ depends on ARM_APPENDED_DTB
+ help
+ Some old bootloaders can't be updated to a DTB capable one, yet
+ they provide ATAGs with memory configuration, the ramdisk address,
+ the kernel cmdline string, etc. To allow a device tree enabled
+ kernel to be used with such bootloaders, this option allows
+ zImage to extract the information from the ATAG list and store it
+ at run time into the appended DTB.
+
config CMDLINE
string "Default kernel command string"
default ""