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>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 998e5db..023aa2d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1411,13 +1411,12 @@
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 @@
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