MN10300: Add CPU register bits for AM34

[mv-sheeva.git] / arch / mn10300 / Kconfig

diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 275963eeae137d8bdd73727dc97cca5bffc8e40d..eab0c2aa95cdb3cd5f8f9b2bbd37835589d3c6f7 100644 (file)
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -17,6 +17,7 @@ config AM33_3
 
 config AM34_2
        def_bool n
+       select MN10300_HAS_ATOMIC_OPS_UNIT
 
 config MMU
        def_bool y
@@ -124,6 +125,12 @@ config MN10300_CPU_AM33V2
 
 endchoice
 
+config MN10300_HAS_ATOMIC_OPS_UNIT
+       def_bool n
+       help
+         This should be enabled if the processor has an atomic ops unit
+         capable of doing LL/SC equivalent operations.
+
 config FPU
        bool "FPU present"
        default y