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[POWERPC] Check cache coherency of kernel vs firmware

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check_cache_coherency() verifies that the cache coherency setting of
the kernel (CONFIG_NOT_COHERENT_CACHE) matches that left by the firmware,
as indicated by coherency-off device tree property.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Dale Farnsworth
2007-05-12 10:57:35 +10:00
committed by Paul Mackerras
parent e1a3107b06
commit 06cce43cf0
3 changed files with 45 additions and 0 deletions
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arch/powerpc/Kconfig
+3
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@@ -389,6 +389,9 @@ config NOT_COHERENT_CACHE
bool
depends on 4xx || 8xx || E200
default y
config CONFIG_CHECK_CACHE_COHERENCY
bool
endmenu
source "init/Kconfig"