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authorJulius Werner <jwerner@chromium.org>2019-11-18 13:01:06 -0800
committerPatrick Georgi <pgeorgi@google.com>2019-11-19 11:26:21 +0000
commit7fc928656e791064c46a4748f86466930bdf2de6 (patch)
treea201d9efaf2a33e9a71709698ac7db0d47b92fc5 /src/drivers
parentceb7e68c48eafbfa9b735842159e01e8d2123a93 (diff)
downloadcoreboot-7fc928656e791064c46a4748f86466930bdf2de6.tar.xz
lib/fmap: Disable pre-RAM cache for FSP 1.0
Due to the way CAR teardown is handled in FSP 1.0, the results of car_get_var_ptr() aren't always reliable, which can break things when running with FMAP cache. It might be possible to fix this but would make the code rather complicated, so let's just disable the feature on these platforms and hope they die out soon. Also allow this option to be used by platforms that don't have space for the cache and want to save a little more code. Change-Id: I7ffb1b8b08a7ca3fe8d53dc827e2c8521da064c7 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36937 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/drivers')
-rw-r--r--src/drivers/intel/fsp1_0/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp1_0/Kconfig b/src/drivers/intel/fsp1_0/Kconfig
index 32a07771ee..1a1d4f7072 100644
--- a/src/drivers/intel/fsp1_0/Kconfig
+++ b/src/drivers/intel/fsp1_0/Kconfig
@@ -15,6 +15,7 @@ config PLATFORM_USES_FSP1_0
bool
default n
select CAR_GLOBAL_MIGRATION
+ select NO_FMAP_CACHE # doesn't work with CAR_GLOBAL restrictions
help
Selected for Intel processors/platform combinations that use the
Intel Firmware Support Package (FSP) 1.0 for initialization.