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dts/Makefile: Build the user specified dts

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This patch provides a support to build the user specified dts.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jagannadha Sutradharudu Teki 2013-02-28 10:20:18 +00:00 committed by Tom Rini
parent 472d546054
commit 74de8c9a16
2 changed files with 10 additions and 0 deletions
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8
doc/README.fdt-control
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@ -156,6 +156,14 @@ To use this, put something like this in your board header file:
#define CONFIG_EXTRA_ENV_SETTINGS "fdtcontroladdr=10000\0"
Build:
After board configuration is done, fdt supported u-boot can be build in two ways:
1) build the default dts which is defined from CONFIG_DEFAULT_DEVICE_TREE
$ make
2) build the user specified dts file
$ make DEVICE_TREE=<dts-file-name>
Limitations
-----------

2
dts/Makefile
View File

@ -27,9 +27,11 @@ include $(TOPDIR)/config.mk
LIB = $(obj)libdts.o
ifeq ($(DEVICE_TREE),)
$(if $(CONFIG_DEFAULT_DEVICE_TREE),,\
$(error Please define CONFIG_DEFAULT_DEVICE_TREE in your board header file))
DEVICE_TREE = $(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE))
endif
$(if $(CONFIG_ARCH_DEVICE_TREE),,\
$(error Your architecture does not have device tree support enabled. \