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[ARM] 2954/1: Allow D and I cache and branch prediction disabling for ARMv6

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Patch from Catalin Marinas

There is no reason to not allow these config options. They are useful when
the hardware has problems.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas 2005-10-05 23:06:36 +01:00 committed by Russell King
parent bb77c03cf4
commit e03eb5272b
1 changed files with 4 additions and 4 deletions
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8
arch/arm/mm/Kconfig
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@ -370,21 +370,21 @@ config CPU_BIG_ENDIAN
config CPU_ICACHE_DISABLE config CPU_ICACHE_DISABLE
bool "Disable I-Cache" bool "Disable I-Cache"
depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6
help help
Say Y here to disable the processor instruction cache. Unless Say Y here to disable the processor instruction cache. Unless
you have a reason not to or are unsure, say N. you have a reason not to or are unsure, say N.
config CPU_DCACHE_DISABLE config CPU_DCACHE_DISABLE
bool "Disable D-Cache" bool "Disable D-Cache"
depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6
help help
Say Y here to disable the processor data cache. Unless Say Y here to disable the processor data cache. Unless
you have a reason not to or are unsure, say N. you have a reason not to or are unsure, say N.
config CPU_DCACHE_WRITETHROUGH config CPU_DCACHE_WRITETHROUGH
bool "Force write through D-cache" bool "Force write through D-cache"
depends on (CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020) && !CPU_DCACHE_DISABLE depends on (CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6) && !CPU_DCACHE_DISABLE
default y if CPU_ARM925T default y if CPU_ARM925T
help help
Say Y here to use the data cache in writethrough mode. Unless you Say Y here to use the data cache in writethrough mode. Unless you
@ -399,7 +399,7 @@ config CPU_CACHE_ROUND_ROBIN
config CPU_BPREDICT_DISABLE config CPU_BPREDICT_DISABLE
bool "Disable branch prediction" bool "Disable branch prediction"
depends on CPU_ARM1020 depends on CPU_ARM1020 || CPU_V6
help help
Say Y here to disable branch prediction. If unsure, say N. Say Y here to disable branch prediction. If unsure, say N.