| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <boardid.h> |
| #include <ec/acpi/ec.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <types.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) |
| { |
| static int id = -1; |
| |
| if (id < 0) { |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) { |
| id = get_board_id_via_ext_ec(); |
| } else { |
| if (send_ec_command(EC_FAB_ID_CMD) == 0) { |
| id = recv_ec_data() << 8; |
| id |= recv_ec_data(); |
| } |
| } |
| } |
| return (id & BOARD_ID_MASK); |
| } |