X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=dts%2FKconfig;h=8aa0d9d7f7d2a6189739ec60157abf4322275cbc;hb=HEAD;hp=83ba7a6e9815a50990083565934442d81123a7e0;hpb=2c2277f15cbaa9533ef8aead7328c3f605251147;p=karo-tx-uboot.git diff --git a/dts/Kconfig b/dts/Kconfig index 83ba7a6e98..8aa0d9d7f7 100644 --- 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 @@ -49,7 +53,23 @@ 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 overrided from the command line: + It can be overridden from the command line: $ make DEVICE_TREE= +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