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-rw-r--r--baseboard/brya/cbi.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/baseboard/brya/cbi.c b/baseboard/brya/cbi.c
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+++ b/baseboard/brya/cbi.c
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+/* 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_ec_fw_config.h"
+#include "common.h"
+#include "cros_board_info.h"
+#include "hooks.h"
+#include "system.h"
+
+#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
+#define CPRINTF(format, args...) cprintf(CC_CHIPSET, format, ## args)
+
+static uint8_t board_id;
+
+uint8_t get_board_id(void)
+{
+ return board_id;
+}
+
+__overridable void board_cbi_init(void)
+{
+}
+
+/*
+ * Read CBI from I2C EEPROM and initialize variables for board variants.
+ */
+static void cbi_init(void)
+{
+ uint32_t cbi_val;
+
+ /* Board ID */
+ if (cbi_get_board_version(&cbi_val) != EC_SUCCESS ||
+ cbi_val > UINT8_MAX)
+ CPRINTS("CBI: Read Board ID failed");
+ else
+ board_id = cbi_val;
+
+ CPRINTS("Board ID: %d", board_id);
+
+ init_fw_config();
+
+ /* Allow the board project to make runtime changes based on CBI data */
+ board_cbi_init();
+}
+DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_FIRST);