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Diffstat (limited to 'src/mainboard/intel/jasperlake_rvp/board_id.c')
-rw-r--r--src/mainboard/intel/jasperlake_rvp/board_id.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/intel/jasperlake_rvp/board_id.c b/src/mainboard/intel/jasperlake_rvp/board_id.c
new file mode 100644
index 0000000000..23312565b1
--- /dev/null
+++ b/src/mainboard/intel/jasperlake_rvp/board_id.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * 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 <ec/acpi/ec.h>
+#include <ec/google/chromeec/ec.h>
+#include <stdint.h>
+
+#include "board_id.h"
+
+static uint32_t get_board_id_via_ext_ec(void)
+{
+ uint32_t id = BOARD_ID_INIT;
+
+ if (google_chromeec_get_board_version(&id))
+ id = BOARD_ID_UNKNOWN;
+
+ return id;
+}
+
+/* Get Board ID via EC I/O port write/read */
+int get_board_id(void)
+{
+ MAYBE_STATIC_NONZERO int id = -1;
+
+ if (id < 0) {
+ if (CONFIG(EC_GOOGLE_CHROMEEC)) {
+ id = get_board_id_via_ext_ec();
+ } else {
+ uint8_t buffer[2];
+ uint8_t index;
+ if (send_ec_command(EC_FAB_ID_CMD) == 0) {
+ for (index = 0; index < sizeof(buffer); index++)
+ buffer[index] = recv_ec_data();
+ id = (buffer[0] << 8) | buffer[1];
+ }
+ }
+ }
+ return id;
+}