MN10300: AM34: Add cacheflushing by using the AM34 purge registers

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

diff --git a/arch/mn10300/mm/Kconfig.cache b/arch/mn10300/mm/Kconfig.cache
index aa6ff0791138d9e941cbe698019b45396f137dd3..97adc06e7128c6fda0db5345a50f699e237db973 100644 (file)
--- a/arch/mn10300/mm/Kconfig.cache
+++ b/arch/mn10300/mm/Kconfig.cache
@@ -37,7 +37,8 @@ config MN10300_CACHE_ENABLED
 
 choice
        prompt "CPU cache flush/invalidate method"
-       default MN10300_CACHE_MANAGE_BY_TAG
+       default MN10300_CACHE_MANAGE_BY_TAG if !AM34_2
+       default MN10300_CACHE_MANAGE_BY_REG if AM34_2
        depends on MN10300_CACHE_ENABLED
        help
          This determines the method by which CPU cache flushing and
@@ -46,10 +47,20 @@ choice
 config MN10300_CACHE_MANAGE_BY_TAG
        bool "Use the cache tag registers directly"
 
+config MN10300_CACHE_MANAGE_BY_REG
+       bool "Flush areas by way of automatic purge registers (AM34 only)"
+       depends on AM34_2
+
 endchoice
 
 config MN10300_CACHE_INV_BY_TAG
        def_bool y if MN10300_CACHE_MANAGE_BY_TAG && MN10300_CACHE_ENABLED
 
+config MN10300_CACHE_INV_BY_REG
+       def_bool y if MN10300_CACHE_MANAGE_BY_REG && MN10300_CACHE_ENABLED
+
 config MN10300_CACHE_FLUSH_BY_TAG
        def_bool y if MN10300_CACHE_MANAGE_BY_TAG && MN10300_CACHE_WBACK
+
+config MN10300_CACHE_FLUSH_BY_REG
+       def_bool y if MN10300_CACHE_MANAGE_BY_REG && MN10300_CACHE_WBACK