diff options
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 69 |
1 files changed, 21 insertions, 48 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 986a71b88ca..dba285e8680 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -75,52 +75,25 @@ config MEMORY_SIZE config 29BIT def_bool !32BIT depends on SUPERH32 + select UNCACHED_MAPPING config 32BIT bool - default y if CPU_SH5 - -config PMB_ENABLE - bool "Support 32-bit physical addressing through PMB" - depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP - 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 - 29-bit physical addressing will be used. - -choice - prompt "PMB handling type" - depends on PMB_ENABLE - default PMB_FIXED + default y if CPU_SH5 || !MMU config PMB - bool "PMB" - depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP + bool "Support 32-bit physical addressing through PMB" + depends on MMU && 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 29-bit physical addressing will be used. -config PMB_FIXED - bool "fixed PMB" - depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP - select 32BIT - help - If this option is enabled, fixed PMB mappings are inherited - from the boot loader, and the kernel does not attempt dynamic - management. This is the closest to legacy 29-bit physical mode, - and allows systems to support up to 512MiB of system memory. - -endchoice - config X2TLB - bool "Enable extended TLB mode" - depends on (CPU_SHX2 || CPU_SHX3) && MMU && EXPERIMENTAL - help - Selecting this option will enable the extended mode of the SH-X2 - TLB. For legacy SH-X behaviour and interoperability, say N. For - all of the fun new features and a willingless to submit bug reports, - say Y. + def_bool y + depends on (CPU_SHX2 || CPU_SHX3) && MMU config VSYSCALL bool "Support vsyscall page" @@ -137,7 +110,8 @@ config VSYSCALL config NUMA bool "Non Uniform Memory Access (NUMA) Support" - depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL + depends on MMU && SYS_SUPPORTS_NUMA + select ARCH_WANT_NUMA_VARIABLE_LOCALITY default n help Some SH systems have many various memories scattered around @@ -163,16 +137,6 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y -config MAX_ACTIVE_REGIONS - int - default "6" if (CPU_SUBTYPE_SHX3 && SPARSEMEM) - default "2" if SPARSEMEM && (CPU_SUBTYPE_SH7722 || \ - CPU_SUBTYPE_SH7785) - default "1" - -config ARCH_POPULATES_NODE_MAP - def_bool y - config ARCH_SELECT_MEMORY_MODEL def_bool y @@ -188,14 +152,23 @@ config ARCH_MEMORY_PROBE def_bool y depends on MEMORY_HOTPLUG +config IOREMAP_FIXED + def_bool y + depends on X2TLB || SUPERH64 + +config UNCACHED_MAPPING + bool + +config HAVE_SRAM_POOL + bool + select GENERIC_ALLOCATOR + 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 help This is the default page size used by all SuperH CPUs. |