intel/common: use acpi_is_wakeup_s3() in fsp_ramstage.c

acpi_is_wakeup_s3() was introduced in upstream coreboot
while the FSP support code was written. Move to using
that instead of using the romstage_handoff structure
directly.

BUG=chrome-os-partner:43636
BRANCH=None
TEST=Built, booted, suspended, and resumed on glados.

Original-Change-Id: I71601a4be3c981672e25e189c98abb6a676462bf
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/290720
Original-Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

Change-Id: I2ae4d9906e0891080481fb58b941921922a989d3
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11190
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/soc/intel/common/fsp_ramstage.c b/src/soc/intel/common/fsp_ramstage.c
index b85591d..5ccc4ee 100644
--- a/src/soc/intel/common/fsp_ramstage.c
+++ b/src/soc/intel/common/fsp_ramstage.c
@@ -18,15 +18,16 @@
  * Foundation, Inc.
  */
 
+#include <arch/acpi.h>
 #include <cbmem.h>
 #include <cbfs.h>
 #include <console/console.h>
 #include <fsp_util.h>
 #include <lib.h>
-#include <romstage_handoff.h>
 #include <soc/intel/common/memmap.h>
 #include <soc/intel/common/ramstage.h>
 #include <stage_cache.h>
+#include <string.h>
 #include <timestamp.h>
 
 /* SOC initialization after FSP silicon init */
@@ -176,7 +177,7 @@
 	return header->fih;
 }
 
-static void fsp_run_silicon_init(struct romstage_handoff *handoff)
+static void fsp_run_silicon_init(int is_s3_wakeup)
 {
 	FSP_INFO_HEADER *fsp_info_header;
 	FSP_SILICON_INIT fsp_silicon_init;
@@ -209,7 +210,7 @@
 
 	/* Locate VBT and pass to FSP GOP */
 	if (IS_ENABLED(CONFIG_GOP_SUPPORT))
-		load_vbt(handoff->s3_resume, &silicon_init_params);
+		load_vbt(is_s3_wakeup, &silicon_init_params);
 	mainboard_silicon_init_params(&silicon_init_params);
 
 	/* Display the UPD data */
@@ -305,11 +306,9 @@
 
 void intel_silicon_init(void)
 {
-	struct romstage_handoff *handoff;
+	int is_s3_wakeup = acpi_is_wakeup_s3();
 
-	handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO);
-
-	if (handoff != NULL && handoff->s3_resume) {
+	if (is_s3_wakeup) {
 		printk(BIOS_DEBUG, "FSP: Loading binary from cache\n");
 		fsp_update_fih(soc_restore_support_code());
 	} else {
@@ -318,7 +317,7 @@
 		fsp_cache_save();
 	}
 
-	fsp_run_silicon_init(handoff);
+	fsp_run_silicon_init(is_s3_wakeup);
 }
 
 /* Initialize the UPD parameters for SiliconInit */