1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/oak/tpm_tis.c b/src/mainboard/google/oak/tpm_tis.c
new file mode 100644
index 0000000000..018f02db10
--- /dev/null
+++ b/src/mainboard/google/oak/tpm_tis.c
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <gpio.h>
+#include <tpm.h>
+
+#include "gpio.h"
+
+int tis_plat_irq_status(void)
+{
+	return gpio_eint_poll(CR50_IRQ);
+}