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-rw-r--r--arch/powerpc/platforms/Kconfig.cputype18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 7c1e1c64437..a1e623822a3 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -230,6 +230,24 @@ config VSX
If in doubt, say Y here.
+config PPC_ICSWX
+ bool "Support for PowerPC icswx coprocessor instruction"
+ depends on POWER4
+ default n
+ ---help---
+
+ This option enables kernel support for the PowerPC Initiate
+ Coprocessor Store Word (icswx) coprocessor instruction on POWER7
+ or newer processors.
+
+ This option is only useful if you have a processor that supports
+ the icswx coprocessor instruction. It does not have any effect
+ on processors without the icswx coprocessor instruction.
+
+ This option slightly increases kernel memory usage.
+
+ If in doubt, say N here.
+
config SPE
bool "SPE Support"
depends on E200 || (E500 && !PPC_E500MC)