MIPS: Cavium: Add support for 8k and 32k page sizes.

Beyond the requirements of the architecture standard Cavium also supports
8k and 32k pages.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: David Daney <ddaney@caviumnetworks.com>

1 files changed, 12 insertions, 4 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 998e5db8cc0f..023aa2d46503 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1411,13 +1411,12 @@ config PAGE_SIZE_4KB
 
 config PAGE_SIZE_8KB
         bool "8kB"
-        depends on EXPERIMENTAL && CPU_R8000
+        depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
         help
           Using 8kB page size will result in higher performance kernel at
           the price of higher memory consumption.  This option is available
-          only on the R8000 processor.  Not that at the time of this writing
-          this option is still high experimental; there are also issues with
-          compatibility of user applications.
+          only on R8000 and cnMIPS processors.  Note that you will need a
+          suitable Linux distribution to support this.
 
 config PAGE_SIZE_16KB
         bool "16kB"
@@ -1428,6 +1427,15 @@ config PAGE_SIZE_16KB
           all non-R3000 family processors.  Note that you will need a suitable
           Linux distribution to support this.
 
+config PAGE_SIZE_32KB
+        bool "32kB"
+        depends on CPU_CAVIUM_OCTEON
+        help
+          Using 32kB page size will result in higher performance kernel at
+          the price of higher memory consumption.  This option is available
+          only on cnMIPS cores.  Note that you will need a suitable Linux
+          distribution to support this.
+
 config PAGE_SIZE_64KB
         bool "64kB"
         depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX