X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dts%2FKconfig;h=7a297b2f0e507a98ee6d76738279a908007a7afd;hb=2e8d2f88439d7437f04a6af1d206270f9a2240d3;hp=dabe0080c1eff6e473e554bdc5cb10aa50b20a97;hpb=eb53b943be2949ca111140a8e05532cd74cda058;p=platform%2Fkernel%2Fu-boot.git

diff --git a/dts/Kconfig b/dts/Kconfig
index dabe008..7a297b2 100644
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -44,10 +44,19 @@ config OF_CONTROL
 	bool "Run-time configuration via Device Tree"
 	select DTC
 	select OF_LIBFDT if !OF_PLATDATA
+	select OF_REAL if !OF_PLATDATA
 	help
 	  This feature provides for run-time configuration of U-Boot
 	  via a flattened device tree.
 
+config OF_REAL
+	bool
+	help
+	  Indicates that a real devicetree is available which can be accessed
+	  at runtime. This means that dev_read_...() functions can be used to
+	  read data from the devicetree for each device. This is true if
+	  OF_CONTROL is enabled in U-Boot proper.
+
 config OF_BOARD_FIXUP
 	bool "Board-specific manipulation of Device Tree"
 	help
@@ -62,6 +71,7 @@ config SPL_OF_CONTROL
 	bool "Enable run-time configuration via Device Tree in SPL"
 	depends on SPL && OF_CONTROL
 	select SPL_OF_LIBFDT if !SPL_OF_PLATDATA
+	select SPL_OF_REAL if !SPL_OF_PLATDATA
 	help
 	  Some boards use device tree in U-Boot but only have 4KB of SRAM
 	  which is not enough to support device tree. Disable this option to
@@ -71,6 +81,7 @@ config TPL_OF_CONTROL
 	bool "Enable run-time configuration via Device Tree in TPL"
 	depends on TPL && OF_CONTROL
 	select TPL_OF_LIBFDT if !TPL_OF_PLATDATA
+	select TPL_OF_REAL if !TPL_OF_PLATDATA
 	help
 	  Some boards use device tree in U-Boot but only have 4KB of SRAM
 	  which is not enough to support device tree. Enable this option to
@@ -107,7 +118,7 @@ config OF_EMBED
 	  Boards in the mainline U-Boot tree should not use it.
 
 config OF_BOARD
-	bool "Provided by the board at runtime"
+	bool "Provided by the board (e.g a previous loader) at runtime"
 	depends on !SANDBOX
 	help
 	  If this option is enabled, the device tree will be provided by
@@ -236,7 +247,7 @@ config MULTI_DTB_FIT
 
 
 config SPL_MULTI_DTB_FIT
-	depends on SPL_LOAD_FIT && SPL_OF_CONTROL && !SPL_OF_PLATDATA
+	depends on SPL_LOAD_FIT && SPL_OF_REAL
 	bool "Support embedding several DTBs in a FIT image for the SPL"
 	help
 	  This option provides the SPL with the ability to select its own
@@ -374,6 +385,14 @@ config SPL_OF_PLATDATA
 	  compatible string, then adding platform data and U_BOOT_DRVINFO
 	  declarations for each node. See of-plat.txt for more information.
 
+config SPL_OF_REAL
+	bool
+	help
+	  Indicates that a real devicetree is available which can be accessed
+	  at runtime. This means that dev_read_...() functions can be used to
+	  read data from the devicetree for each device. This is true if
+	  SPL_OF_CONTROL is enabled and not SPL_OF_PLATDATA
+
 if SPL_OF_PLATDATA
 
 config SPL_OF_PLATDATA_PARENT
@@ -421,6 +440,14 @@ config SPL_OF_PLATDATA_DRIVER_RT
 
 endif
 
+config TPL_OF_REAL
+	bool
+	help
+	  Indicates that a real devicetree is available which can be accessed
+	  at runtime. This means that dev_read_...() functions can be used to
+	  read data from the devicetree for each device. This is true if
+	  TPL_OF_CONTROL is enabled and not TPL_OF_PLATDATA
+
 config TPL_OF_PLATDATA
 	bool "Generate platform data for use in TPL"
 	depends on TPL_OF_CONTROL