From 6fed46805e42bb8c1952cb398d72657d0e776f4a Mon Sep 17 00:00:00 2001 From: Aamir Bohra Date: Tue, 8 Nov 2016 14:06:17 +0530 Subject: mainboard/intel/kblrvp: Add support to read board ID from EC Add a function to identify an Intel RVP board by querying EC Change-Id: I21337000827639fb8f22c5ee9bc5d86f1ebe1e74 Signed-off-by: Aamir Bohra Reviewed-on: https://review.coreboot.org/17283 Reviewed-by: Subrata Banik Tested-by: build bot (Jenkins) Reviewed-by: Naresh Solanki Reviewed-by: Aaron Durbin --- src/mainboard/intel/kblrvp/board_id.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/mainboard/intel/kblrvp/board_id.c (limited to 'src/mainboard/intel/kblrvp/board_id.c') diff --git a/src/mainboard/intel/kblrvp/board_id.c b/src/mainboard/intel/kblrvp/board_id.c new file mode 100644 index 0000000000..a362b08df8 --- /dev/null +++ b/src/mainboard/intel/kblrvp/board_id.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 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 "board_id.h" +#include +#include + +/* + * Get Board ID via EC I/O port write/read + */ +int get_board_id(void) +{ + 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(); + return (buffer[1] << 8) | buffer[0]; + } + return -1; +} -- cgit v1.2.3