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MTRR: Mark all prefetchable resources as WRCOMB.

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Change-Id: I2ecfd9733b65b6160bc2232d22db7b16692a847f
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5149
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Vladimir Serbinenko 2014-02-05 23:25:28 +01:00
commit 30fe6120ca
13 changed files with 4 additions and 58 deletions
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8
src/arch/x86/Kconfig
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@ -7,14 +7,6 @@ config X86_ARCH_OPTIONS
select HAVE_ARCH_MEMCPY
select HAVE_ARCH_MEMMOVE
config MARK_GRAPHICS_MEM_WRCOMB
bool "Mark graphics memory as write-combining."
default n
help
The graphics performance may increase if the graphics
memory is set as write-combining cache type. This option
enables marking the graphics memory as write-combining.
# This is an SMP option. It relates to starting up APs.
# It is usually set in mainboard/*/Kconfig.
# TODO: Improve description.