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

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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>
This commit is contained in:
Ralf Baechle
2009-04-02 14:07:10 +02:00
parent 740ebe4a54
commit c52399bece
6 changed files with 44 additions and 4 deletions
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16
arch/mips/Kconfig
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@@ -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