Broadwell: Set boot_mode of pei_data before running reference code

Some actions are needed and some are not on the way resume from S3.

BRANCH=master
BUG=chrome-os-partner:33025,chrome-os-partner:33796
TEST=Built the image and confimed the boot_mode is correctly
configured.
Signed-off-by: Kenji Chen <kenji.chen@intel.com>

Change-Id: If400df94f970a55f3921a5a2df24038d28beb489
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 40e719618ec101235cdb1755933e719abd873239
Original-Change-Id: Ia042ea8c63c2306e9d6a80d8efa66c4fc0722d85
Original-Reviewed-on: https://chromium-review.googlesource.com/229615
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-Commit-Queue: Kenji Chen <kenji.chen@intel.com>
Original-Tested-by: Kenji Chen <kenji.chen@intel.com>
Reviewed-on: http://review.coreboot.org/9475
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/soc/intel/broadwell/refcode.c b/src/soc/intel/broadwell/refcode.c
index b7962f1..6dec3b9 100644
--- a/src/soc/intel/broadwell/refcode.c
+++ b/src/soc/intel/broadwell/refcode.c
@@ -167,7 +167,7 @@
 
 void broadwell_run_reference_code(void)
 {
-	int ret;
+	int ret, dummy;
 	struct pei_data pei_data;
 	pei_wrapper_entry_t entry;
 
@@ -175,6 +175,9 @@
 	mainboard_fill_pei_data(&pei_data);
 	broadwell_fill_pei_data(&pei_data);
 
+	pei_data.boot_mode = acpi_slp_type;
+	pei_data.saved_data = (void *) &dummy;
+
 	entry = load_reference_code();
 	if (entry == NULL) {
 		printk(BIOS_ERR, "Reference code not found\n");