Aaron Durbin (adurbin@chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15561
-gerrit
commit 146dd7e9cfeda9530faebe266ffe264aa6905e07 Author: Aaron Durbin adurbin@chromium.org Date: Wed Jul 6 22:53:51 2016 -0500
mainboard/google/reef: add board_id() support
The board build version is provided by the EC on reef. Provide the necessary functional support for coreboot to differentiate the board versions.
BUG=chrome-os-partner:54959,chrome-os-partner:54960 BRANCH=None TEST=Built and tested on reef.
Change-Id: I1b7e8b2f4142753cde736148ca9495bcc625f318 Signed-off-by: Aaron Durbin adurbin@chromuim.org --- src/mainboard/google/reef/Makefile.inc | 2 ++ src/mainboard/google/reef/boardid.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+)
diff --git a/src/mainboard/google/reef/Makefile.inc b/src/mainboard/google/reef/Makefile.inc index f8fbbf3..6db0f2f 100644 --- a/src/mainboard/google/reef/Makefile.inc +++ b/src/mainboard/google/reef/Makefile.inc @@ -2,7 +2,9 @@ bootblock-y += bootblock.c bootblock-y += ec.c
romstage-$(CONFIG_CHROMEOS) += chromeos.c +romstage-y += boardid.c
+ramstage-y += boardid.c ramstage-$(CONFIG_CHROMEOS) += chromeos.c ramstage-y += ec.c ramstage-y += mainboard.c diff --git a/src/mainboard/google/reef/boardid.c b/src/mainboard/google/reef/boardid.c new file mode 100644 index 0000000..4eb9f48 --- /dev/null +++ b/src/mainboard/google/reef/boardid.c @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Google Inc. + * Copyright (C) 2015 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 <boardid.h> +#include <ec/google/chromeec/ec.h> + +uint8_t board_id(void) +{ + MAYBE_STATIC int id = -1; + + if (id < 0) + id = google_chromeec_get_board_version(); + + return id; +}