diff options
author | David Hendricks <dhendrix@chromium.org> | 2014-12-19 15:34:08 -0800 |
---|---|---|
committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-04-15 16:42:18 +0200 |
commit | 16e32ed2f317c410382ed3c4a37380d4e82cf9bb (patch) | |
tree | a7f9f78db47d180457f520f91f831f179b4341a8 /src/mainboard/google/veyron_brain/boardid.c | |
parent | 7f00962e70c57b0fc6faf50b8fbf26f95b96e6d2 (diff) |
Brain: Initial mainboard import
This adds a directory with files copied over from Jerry, in addition to
build system related changes (configs/* and Kconfig stuff) necessary
to emerge-veyron_brain coreboot.
The next patch will account for differences between Jerry and Brain.
BUG=none
BRANCH=none
TEST=emerge-veyron_brain coreboot works
Change-Id: Ib0da9caf80f46991b96bcb5756f807237f0902e1
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 9509d6277dae25a78062c1301054a39f704b33fe
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: I972f2623d9b0a43e3ea5312b3c4cd34ab44edc36
Original-Reviewed-on: https://chromium-review.googlesource.com/236989
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9637
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Diffstat (limited to 'src/mainboard/google/veyron_brain/boardid.c')
-rw-r--r-- | src/mainboard/google/veyron_brain/boardid.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_brain/boardid.c b/src/mainboard/google/veyron_brain/boardid.c new file mode 100644 index 0000000000..513754f048 --- /dev/null +++ b/src/mainboard/google/veyron_brain/boardid.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <boardid.h> +#include <console/console.h> +#include <gpio.h> +#include <stdlib.h> + +uint8_t board_id(void) +{ + static int id = -1; + static gpio_t pins[] = {[3] = GPIO(2, A, 7), [2] = GPIO(2, A, 2), + [1] = GPIO(2, A, 1), [0] = GPIO(2, A, 0)}; /* GPIO2_A0 is LSB */ + + if (id < 0) { + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + printk(BIOS_SPEW, "Board ID: %d.\n", id); + } + + return id; +} + +uint32_t ram_code(void) +{ + uint32_t code; + static gpio_t pins[] = {[3] = GPIO(8, A, 3), [2] = GPIO(8, A, 2), + [1] = GPIO(8, A, 1), [0] = GPIO(8, A, 0)}; /* GPIO8_A0 is LSB */ + + code = gpio_base2_value(pins, ARRAY_SIZE(pins)); + printk(BIOS_SPEW, "RAM Config: %u.\n", code); + + return code; +} |