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authorPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
commitf43dc23d5ea91fca257be02138a255f02d98e806 (patch)
treeb29722f6e965316e90ac97abf79923ced250dc21 /arch/sh/mm/Kconfig
parentf8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff)
parent4162cf64973df51fc885825bc9ca4d055891c49f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts: arch/sh/kernel/cpu/sh2/setup-sh7619.c arch/sh/kernel/cpu/sh2a/setup-mxg.c arch/sh/kernel/cpu/sh2a/setup-sh7201.c arch/sh/kernel/cpu/sh2a/setup-sh7203.c arch/sh/kernel/cpu/sh2a/setup-sh7206.c arch/sh/kernel/cpu/sh3/setup-sh7705.c arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh4-202.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4/setup-sh7760.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7780.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c arch/sh/kernel/cpu/sh4a/setup-shx3.c arch/sh/kernel/cpu/sh5/setup-sh5.c drivers/serial/sh-sci.c drivers/serial/sh-sci.h include/linux/serial_sci.h
Diffstat (limited to 'arch/sh/mm/Kconfig')
-rw-r--r--arch/sh/mm/Kconfig69
1 files changed, 28 insertions, 41 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 2795618e4f0..c3e61b36649 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -75,56 +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_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
- select 32BIT
- default y
- 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_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
+ 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
29-bit physical addressing will be used.
-config PMB_FIXED
- bool "fixed PMB"
- depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || \
- CPU_SUBTYPE_SH7785)
- 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"
@@ -192,14 +161,23 @@ 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.
@@ -226,7 +204,7 @@ endchoice
choice
prompt "HugeTLB page size"
- depends on HUGETLB_PAGE && (CPU_SH4 || CPU_SH5) && MMU
+ depends on HUGETLB_PAGE
default HUGETLB_PAGE_SIZE_1MB if PAGE_SIZE_64KB
default HUGETLB_PAGE_SIZE_64K
@@ -257,6 +235,15 @@ endchoice
source "mm/Kconfig"
+config SCHED_MC
+ bool "Multi-core scheduler support"
+ depends on SMP
+ default y
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places. If unsure say N here.
+
endmenu
menu "Cache configuration"