3 files changed, 17 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp1_1/Kconfig b/src/drivers/intel/fsp1_1/Kconfig
index 306e09be74..cc3c0a7104 100644
--- a/src/drivers/intel/fsp1_1/Kconfig
+++ b/src/drivers/intel/fsp1_1/Kconfig
@@ -111,4 +111,8 @@ config CHECKLIST_DATA_FILE_LOCATION
 	string
 	default "src/vendorcode/intel/fsp/fsp1_1/checklist"
 
+config RESET_ON_INVALID_RAMSTAGE_CACHE
+	bool "Reset the system on S3 wake when ramstage cache invalid."
+	default n
+
 endif #PLATFORM_USES_FSP1_1
diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig
index 3ffb402965..c653148696 100644
--- a/src/drivers/intel/fsp2_0/Kconfig
+++ b/src/drivers/intel/fsp2_0/Kconfig
@@ -90,4 +90,8 @@ config CHECKLIST_DATA_FILE_LOCATION
 	string
 	default "src/vendorcode/intel/fsp/fsp2_0/checklist"
 
+config RESET_ON_INVALID_RAMSTAGE_CACHE
+	bool "Reset the system on S3 wake when ramstage cache invalid."
+	default n
+
 endif
diff --git a/src/drivers/intel/fsp2_0/stage_cache.c b/src/drivers/intel/fsp2_0/stage_cache.c
index 2d594e6048..4469a7f3b5 100644
--- a/src/drivers/intel/fsp2_0/stage_cache.c
+++ b/src/drivers/intel/fsp2_0/stage_cache.c
@@ -17,6 +17,8 @@
 #include <console/console.h>
 #include <fsp/memmap.h>
 #include <stage_cache.h>
+#include <reset.h>
+#include <program_loading.h>
 
 void stage_cache_external_region(void **base, size_t *size)
 {
@@ -26,3 +28,10 @@ void stage_cache_external_region(void **base, size_t *size)
 		*size = 0;
 	}
 }
+
+void ramstage_cache_invalid(void)
+{
+	if (IS_ENABLED(CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE))
+		/* Perform cold reset on invalid ramstage cache. */
+		hard_reset();
+}