x86: Add ENABLE_MRC_CACHE Kconfig option

Create a Kconfig option for enabling MRC cache.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bf09b210675816eda3e0704a02932ddb3acacaa1..f92082d4766c8f11d558b3983a4cc5986c7c3730 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -239,6 +239,14 @@ config FSP_SYS_MALLOC_F_LEN
        help
          Additional size of malloc() pool before relocation.
 
+config ENABLE_MRC_CACHE
+       bool "Enable MRC cache"
+       depends on !EFI && !SYS_COREBOOT
+       help
+         Enable this feature to cause MRC data to be cached in NV storage
+         to be used for speeding up boot time on future reboots and/or
+         power cycles.
+
 config SMP
        bool "Enable Symmetric Multiprocessing"
        default n