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Diffstat (limited to 'baseboard/brya/cbi.c')
-rw-r--r-- | baseboard/brya/cbi.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/baseboard/brya/cbi.c b/baseboard/brya/cbi.c new file mode 100644 index 0000000000..295dea26a3 --- /dev/null +++ b/baseboard/brya/cbi.c @@ -0,0 +1,47 @@ +/* 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); |