[ARM] Kirkwood: add support for L2 cache WB/WT selection
Feroceon L2 cache can work in eighther write through or write back mode
on Kirkwood. Add the option to configure this mode according to Kconfig.
Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index ed15f87..330814d 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -735,6 +735,14 @@
help
This option enables the Feroceon L2 cache controller.
+config CACHE_FEROCEON_L2_WRITETHROUGH
+ bool "Force Feroceon L2 cache write through"
+ depends on CACHE_FEROCEON_L2
+ default n
+ help
+ Say Y here to use the Feroceon L2 cache in writethrough mode.
+ Unless you specifically require this, say N for writeback mode.
+
config CACHE_L2X0
bool "Enable the L2x0 outer cache controller"
depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176