3 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/Kconfig.name b/src/mainboard/google/volteer/Kconfig.name
index f445b46f65..c483cc9d12 100644
--- a/src/mainboard/google/volteer/Kconfig.name
+++ b/src/mainboard/google/volteer/Kconfig.name
@@ -65,6 +65,7 @@ config BOARD_GOOGLE_VOLTEER2_TI50
 config BOARD_GOOGLE_VOXEL
 	bool "-> Voxel"
 	select BOARD_GOOGLE_BASEBOARD_VOLTEER
+	select GEO_SAR_ENABLE if CHROMEOS_WIFI_SAR
 
 config BOARD_GOOGLE_ELEMI
 	bool "-> Elemi"
diff --git a/src/mainboard/google/volteer/variants/voxel/Makefile.inc b/src/mainboard/google/volteer/variants/voxel/Makefile.inc
index 3488dc6cc2..310a99c0ed 100644
--- a/src/mainboard/google/volteer/variants/voxel/Makefile.inc
+++ b/src/mainboard/google/volteer/variants/voxel/Makefile.inc
@@ -6,3 +6,4 @@ romstage-y += memory.c
 
 ramstage-y += gpio.c
 ramstage-y += ramstage.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/volteer/variants/voxel/variant.c b/src/mainboard/google/volteer/variants/voxel/variant.c
new file mode 100644
index 0000000000..70fa3a061a
--- /dev/null
+++ b/src/mainboard/google/volteer/variants/voxel/variant.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	const char *filename = NULL;
+
+	if (fw_config_probe(FW_CONFIG(TABLETMODE, TABLETMODE_DISABLED)))
+		filename = "wifi_sar-volta.hex";
+
+	return filename;
+}