37 lines
702 B
C
37 lines
702 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <boardid.h>
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#include <ec/acpi/ec.h>
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#include <ec/google/chromeec/ec.h>
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#include <stdint.h>
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#include <types.h>
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#include "board_id.h"
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static uint32_t get_board_id_via_ext_ec(void)
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{
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uint32_t id = BOARD_ID_INIT;
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if (google_chromeec_get_board_version(&id))
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id = BOARD_ID_UNKNOWN;
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return id;
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}
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/* Get Board ID via EC I/O port write/read */
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int get_board_id(void)
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{
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MAYBE_STATIC_NONZERO int id = -1;
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if (id < 0) {
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if (CONFIG(EC_GOOGLE_CHROMEEC)) {
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id = get_board_id_via_ext_ec();
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} else {
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if (send_ec_command(EC_FAB_ID_CMD) == 0) {
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id = recv_ec_data() << 8;
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id |= recv_ec_data();
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}
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}
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}
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return (id & BOARD_ID_MASK);
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}
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