diff options
author | Tom Warren <twarren@nvidia.com> | 2014-03-19 14:19:09 -0700 |
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committer | Marc Jones <marc.jones@se-eng.com> | 2014-11-14 07:27:06 +0100 |
commit | 4e16a2ea17a1b104507aeed8fca9c35750728248 (patch) | |
tree | 9c5d36460eddd73a282b0ff98e4a8f0824a09150 /src/mainboard/google/nyan_blaze/boardid.c | |
parent | 764cd1bb3aa7733dbaaabc5b42ec096960975d5b (diff) | |
download | coreboot-4e16a2ea17a1b104507aeed8fca9c35750728248.tar.xz |
blaze: Create a nyan_blaze mainboard, copied from nyan_big
The nyan_blaze board will have different BCT .inc files, to be
added/updated later. GPIOs and some devicetree stuff may also differ.
BUG=None
TEST=Built nyan, nyan_big and nyan_blaze.
BRANCH=None
Original-Change-Id: I8b16fc71346cf973983aa046096b79cb83ad4bb6
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/190721
Original-Reviewed-by: Gabe Black <gabeblack@chromium.org>
Original-Tested-by: Julius Werner <jwerner@chromium.org>
(cherry picked from commit bea753131e2247a90cc5359fa5f603026d66c7ce)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I435ae78da2f6c4f1a78fea8300b6285e52272535
Reviewed-on: http://review.coreboot.org/7453
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/mainboard/google/nyan_blaze/boardid.c')
-rw-r--r-- | src/mainboard/google/nyan_blaze/boardid.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/google/nyan_blaze/boardid.c b/src/mainboard/google/nyan_blaze/boardid.c new file mode 100644 index 0000000000..23b1c6adff --- /dev/null +++ b/src/mainboard/google/nyan_blaze/boardid.c @@ -0,0 +1,45 @@ +/* + * 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 <console/console.h> +#include <soc/nvidia/tegra124/gpio.h> +#include <stdlib.h> + +#include "boardid.h" + +uint8_t board_id(void) +{ + static int id = -1; + + if (id < 0) { + gpio_t gpio[] = {GPIO(Q3), GPIO(T1), GPIO(X1), GPIO(X4)}; + int value[ARRAY_SIZE(gpio)]; + + gpio_get_in_tristate_values(gpio, ARRAY_SIZE(gpio), value); + + /* A gpio state is encoded in every two-bit */ + id = value[0] << 0 | + value[1] << 2 | + value[2] << 4 | + value[3] << 6; + printk(BIOS_SPEW, "Board TRISTATE ID: %#x.\n", id); + } + + return id; +} |