1 files changed, 36 insertions, 0 deletions
diff --git a/board/rammus/cbi_ssfc.c b/board/rammus/cbi_ssfc.c
new file mode 100644
index 0000000000..e1f6fa4bd2
--- /dev/null
+++ b/board/rammus/cbi_ssfc.c
@@ -0,0 +1,36 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "cbi_ssfc.h"
+#include "common.h"
+#include "console.h"
+#include "cros_board_info.h"
+#include "hooks.h"
+
+#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args)
+
+/* Cache SSFC on init since we don't expect it to change in runtime */
+static union rammus_cbi_ssfc cached_ssfc;
+BUILD_ASSERT(sizeof(cached_ssfc) == sizeof(uint32_t));
+
+static void cbi_ssfc_init(void)
+{
+	if (cbi_get_ssfc(&cached_ssfc.raw_value) != EC_SUCCESS)
+		/* Default to 0 when CBI isn't populated */
+		cached_ssfc.raw_value = 0;
+
+	CPRINTS("Read CBI SSFC : 0x%04X", cached_ssfc.raw_value);
+}
+DECLARE_HOOK(HOOK_INIT, cbi_ssfc_init, HOOK_PRIO_INIT_I2C+1);
+
+enum ec_ssfc_lid_sensor get_cbi_ssfc_lid_sensor(void)
+{
+	return cached_ssfc.lid_sensor;
+}
+
+enum ec_ssfc_base_sensor get_cbi_ssfc_base_sensor(void)
+{
+	return cached_ssfc.base_sensor;
+}