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-rw-r--r--arch/powerpc/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 964da1891ea9..f7c8f9972f61 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -380,6 +380,22 @@ source "arch/powerpc/platforms/Kconfig"
menu "Kernel options"
+config PPC_DT_CPU_FTRS
+ bool "Device-tree based CPU feature discovery & setup"
+ depends on PPC_BOOK3S_64
+ default n
+ help
+ This enables code to use a new device tree binding for describing CPU
+ compatibility and features. Saying Y here will attempt to use the new
+ binding if the firmware provides it. Currently only the skiboot
+ firmware provides this binding.
+ If you're not sure say Y.
+
+config PPC_CPUFEATURES_ENABLE_UNKNOWN
+ bool "cpufeatures pass through unknown features to guest/userspace"
+ depends on PPC_DT_CPU_FTRS
+ default y
+
config HIGHMEM
bool "High memory support"
depends on PPC32