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| author | Paul Mundt <lethal@linux-sh.org> | 2010-02-12 07:40:00 +0100 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-12 07:40:00 +0100 |
| commit | b0f3ae03aca0f331b851ae94bc066124e7f104df (patch) | |
| tree | 510b641df1414800abcbe022986d5c9075017759 /arch/sh/mm/Kconfig | |
| parent | sh: update sdk7786 defconfig. (diff) | |
| download | linux-b0f3ae03aca0f331b851ae94bc066124e7f104df.tar.xz linux-b0f3ae03aca0f331b851ae94bc066124e7f104df.zip | |
sh: Isolate uncached mapping support.
This splits out the uncached mapping support under its own config option,
presently only used by 29-bit mode and 32-bit + PMB. This will make it
possible to optionally add an uncached mapping on sh64 as well as booting
without an uncached mapping for 32-bit.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index b89075256b70..65cb5b83e072 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -75,6 +75,7 @@ config MEMORY_SIZE config 29BIT def_bool !32BIT depends on SUPERH32 + select UNCACHED_MAPPING config 32BIT bool @@ -84,6 +85,7 @@ config PMB bool "Support 32-bit physical addressing through PMB" depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP select 32BIT + select UNCACHED_MAPPING help If you say Y here, physical addressing will be extended to 32-bits through the SH-4A PMB. If this is not set, legacy @@ -173,6 +175,9 @@ config IOREMAP_FIXED def_bool y depends on X2TLB || SUPERH64 +config UNCACHED_MAPPING + bool + choice prompt "Kernel page size" default PAGE_SIZE_4KB |