X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=dts%2FKconfig;h=fb2d79edbc3ba375944a997bc191cad4585a2a5a;hb=4ca0c3c993436cca743ed521e7f3d784d7fe31c8;hp=957f5c7ffad2a2ab6637024169f84bfdc6489f75;hpb=3f6dcdb9cd4dbda226a1474f1e9398413e906b41;p=u-boot diff --git a/dts/Kconfig b/dts/Kconfig index 957f5c7ffa..fb2d79edbc 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -14,9 +14,9 @@ config OF_CONTROL This feature provides for run-time configuration of U-Boot via a flattened device tree. -config SPL_DISABLE_OF_CONTROL - bool "Disable run-time configuration via Device Tree in SPL" - depends on OF_CONTROL +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 @@ -37,7 +37,9 @@ config OF_EMBED bool "Embedded DTB for DT control" help If this option is enabled, the device tree will be picked up and - built into the U-Boot image. + built into the U-Boot image. This is suitable for local debugging + and development only and is not recommended for production devices. + Boards in the mainline U-Boot tree should not use it. config OF_HOSTFILE bool "Host filed DTB for DT control" @@ -56,4 +58,17 @@ config DEFAULT_DEVICE_TREE It can be overridden from the command line: $ make DEVICE_TREE= +config OF_SPL_REMOVE_PROPS + string "List of device tree properties to drop for SPL" + depends on SPL_OF_CONTROL + default "clocks clock-names interrupt-parent" if SPL_PINCTRL_FULL + 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