1 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/google/kahlee/boardid.c b/src/mainboard/google/kahlee/boardid.c
new file mode 100644
index 0000000000..f19b032526
--- /dev/null
+++ b/src/mainboard/google/kahlee/boardid.c
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Advanced Micro Devices, 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 <boardid.h>
+#include <console/console.h>
+#include <gpio.h>
+
+uint8_t board_id(void)
+{
+	MAYBE_STATIC int id = -1;
+
+	gpio_t gpios[] = {
+		GPIO_135,
+		GPIO_140,
+		GPIO_144,
+	};
+
+	if (id < 0) {
+		id = gpio_base2_value(gpios, ARRAY_SIZE(gpios));
+		printk(BIOS_SPEW, "Board ID: %#x.\n", id);
+	}
+
+	return id;
+}