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-rw-r--r--arch/x86/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2ba36b790c..65cbb9cc66 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -274,6 +274,13 @@ config ENABLE_MRC_CACHE
to be used for speeding up boot time on future reboots and/or
power cycles.
+ For platforms that use Intel FSP for the memory initialization,
+ please check FSP output HOB via U-Boot command 'fsp hob' to see
+ if there is FSP_NON_VOLATILE_STORAGE_HOB_GUID (asm/fsp/fsp_hob.h).
+ If such GUID does not exist, MRC cache is not avaiable on such
+ platform (eg: Intel Queensbay), which means selecting this option
+ here does not make any difference.
+
config HAVE_MRC
bool "Add a System Agent binary"
depends on !HAVE_FSP
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