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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-26 16:54:27 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-26 16:54:27 -0800
commit64d497f55379b1e320a08ec2426468d96f5642ec (patch)
tree22b9ab3c5e69c5cc2728cbc2ca7fc7623beef8f1 /arch/sh/mm/Kconfig
parent37d4008484977f60d5d37499a2670c79b214dd46 (diff)
parentb5f5fe80fa98a60daa0fa94512d1599b1e26674c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (187 commits) sh: remove dead LED code for migo-r and ms7724se sh: ecovec build fix for CONFIG_I2C=n sh: ecovec r-standby support sh: ms7724se r-standby support sh: SH-Mobile R-standby register save/restore clocksource: Fix up a registration/IRQ race in the sh drivers. sh: ms7724: modify scan_timing for KEYSC sh: ms7724: Add sh_sir support sh: mach-ecovec24: Add sh_sir support sh: wire up SET/GET_UNALIGN_CTL. sh: allow alignment fault mode to be configured at kernel boot. sh: sh7724: Update FSI/SPU2 clock sh: always enable sh7724 vpu_clk and set to 166MHz on Ecovec sh: add sh7724 kick callback to clk_div4_table sh: introduce struct clk_div4_table sh: clock-cpg div4 set_rate() shift fix sh: Turn on speculative return for SH7785 and SH7786 sh: Merge legacy and dynamic PMB modes. sh: Use uncached I/O helpers in PMB setup. sh: Provide uncached I/O helpers. ...
Diffstat (limited to 'arch/sh/mm/Kconfig')
-rw-r--r--arch/sh/mm/Kconfig48
1 files changed, 13 insertions, 35 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 986a71b88ca..1445ca6257d 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
-
config PMB
- bool "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
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"
@@ -188,14 +161,19 @@ 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
+
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.