diff options
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 986a71b88ca..a5dedf590a7 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -189,19 +189,37 @@ config ARCH_MEMORY_PROBE depends on MEMORY_HOTPLUG choice + prompt "Page table layout" + default PGTABLE_LEVELS_3 if X2TLB + default PGTABLE_LEVELS_2 + +config PGTABLE_LEVELS_2 + bool "2 Levels" + help + This is the default page table layout for all SuperH CPUs. + +config PGTABLE_LEVELS_3 + bool "3 Levels" + depends on X2TLB + help + This enables a 3 level page table structure. + +endchoice + +choice prompt "Kernel page size" default PAGE_SIZE_8KB if X2TLB default PAGE_SIZE_4KB config PAGE_SIZE_4KB bool "4kB" - depends on !MMU || !X2TLB + depends on !MMU || !X2TLB || PGTABLE_LEVELS_3 help This is the default page size used by all SuperH CPUs. config PAGE_SIZE_8KB bool "8kB" - depends on !MMU || X2TLB + depends on !MMU || X2TLB && !PGTABLE_LEVELS_3 help This enables 8kB pages as supported by SH-X2 and later MMUs. @@ -213,7 +231,7 @@ config PAGE_SIZE_16KB config PAGE_SIZE_64KB bool "64kB" - depends on !MMU || CPU_SH4 || CPU_SH5 + depends on !MMU || CPU_SH4 && !PGTABLE_LEVELS_3 || CPU_SH5 help This enables support for 64kB pages, possible on all SH-4 CPUs and later. |