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authorDavid Gibson <david@gibson.dropbear.id.au>2009-04-30 15:25:53 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-02 16:52:26 -0700
commit9fffb55f66127b52c937ede5196ebfa0c0d50bce (patch)
tree11664fb82734ba8dcde9556b8d47e780451a740a /scripts/Makefile
parentafc1e702e8e8355faa712d4e90d9afe26a4995a5 (diff)
downloadvexpress-lsk-9fffb55f66127b52c937ede5196ebfa0c0d50bce.tar.gz
Move dtc and libfdt sources from arch/powerpc/boot to scripts/dtc
The powerpc kernel always requires an Open Firmware like device tree to supply device information. On systems without OF, this comes from a flattened device tree blob. This blob is usually generated by dtc, a tool which compiles a text description of the device tree into the flattened format used by the kernel. Sometimes, the bootwrapper makes small changes to the pre-compiled device tree blob (e.g. filling in the size of RAM). To do this it uses the libfdt library. Because these are only used on powerpc, the code for both these tools is included under arch/powerpc/boot (these were imported and are periodically updated from the upstream dtc tree). However, the microblaze architecture, currently being prepared for merging to mainline also uses dtc to produce device tree blobs. A few other archs have also mentioned some interest in using dtc. Therefore, this patch moves dtc and libfdt from arch/powerpc into scripts, where it can be used by any architecture. The vast bulk of this patch is a literal move, the rest is adjusting the various Makefiles to use dtc and libfdt correctly from their new locations. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/Makefile')
-rw-r--r--scripts/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/Makefile b/scripts/Makefile
index aafdf064fee..9dd5b25a1d5 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -21,6 +21,7 @@ hostprogs-y += unifdef
subdir-$(CONFIG_MODVERSIONS) += genksyms
subdir-y += mod
subdir-$(CONFIG_SECURITY_SELINUX) += selinux
+subdir-$(CONFIG_DTC) += dtc
# Let clean descend into subdirs
subdir- += basic kconfig package selinux