Merge branch 'tx53-bugfix'

[karo-tx-uboot.git] / dts / Kconfig

diff --git a/dts/Kconfig b/dts/Kconfig
index 20be5567774898bc652d427c698210f968fc0d92..8aa0d9d7f7d2a6189739ec60157abf4322275cbc 100644 (file)
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -1,15 +1,11 @@
 #
 # Device Tree Control
 #
-# TODO:
-#   This feature is not currently supported for SPL,
-#    but this restriction should be removed in the future.
 
 config SUPPORT_OF_CONTROL
        bool
 
 menu "Device Tree Control"
-       depends on !SPL_BUILD
        depends on SUPPORT_OF_CONTROL
 
 config OF_CONTROL
@@ -18,6 +14,14 @@ config OF_CONTROL
          This feature provides for run-time configuration of U-Boot
          via a flattened device tree.
 
+config SPL_OF_CONTROL
+       bool "Enable run-time configuration via Device Tree in SPL"
+       depends on SPL && OF_CONTROL
+       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
+         allow such boards to be supported by U-Boot SPL.
+
 choice
        prompt "Provider of DTB for DT control"
        depends on OF_CONTROL
@@ -45,4 +49,27 @@ config OF_HOSTFILE
 
 endchoice
 
+config DEFAULT_DEVICE_TREE
+       string "Default Device Tree for DT control"
+       help
+         This option specifies the default Device Tree used for DT control.
+         It can be overridden from the command line:
+         $ make DEVICE_TREE=<device-tree-name>
+
+config FDT_FIXUP_PARTITIONS
+       bool
+       depends on MTD_PARTITIONS && OF_LIBFDT
+
+config OF_SPL_REMOVE_PROPS
+       string "List of device tree properties to drop for SPL"
+       depends on SPL_OF_CONTROL
+       default "pinctrl-0 pinctrl-names clocks clock-names interrupt-parent"
+       help
+         Since SPL normally runs in a reduced memory space, the device tree
+         is cut down to only what is needed to load and start U-Boot. Only
+         nodes marked with the property "u-boot,dm-pre-reloc" will be
+         included. In addition, some properties are not used by U-Boot and
+         can be discarded. This option defines the list of properties to
+         discard.
+
 endmenu