From b262c726252dc870b373c1e2736699ce172788b1 Mon Sep 17 00:00:00 2001 From: Katie Roberts-Hoffman Date: Thu, 23 Oct 2014 19:14:30 -0700 Subject: Add google/veyron_jerry board This is essentially a copy of veyron_pinky for now. BUG=chrome-os-partner:33269 TEST=build and boot Change-Id: I151c82f54ece4620953d0db5aedf027a3293926f Signed-off-by: Patrick Georgi Original-Commit-Id: 267611f2354be4384de3f05d2459a4e421ee6b4f Original-Change-Id: I0d473361e0850ee3b11da5a809f8396826ccdad6 Original-Signed-off-by: Katie Roberts-Hoffman Original-Reviewed-on: https://chromium-review.googlesource.com/225301 Reviewed-on: http://review.coreboot.org/9544 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/mainboard/google/veyron_jerry/boardid.c | 43 +++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/mainboard/google/veyron_jerry/boardid.c (limited to 'src/mainboard/google/veyron_jerry/boardid.c') diff --git a/src/mainboard/google/veyron_jerry/boardid.c b/src/mainboard/google/veyron_jerry/boardid.c new file mode 100644 index 0000000000..8d3e183ed1 --- /dev/null +++ b/src/mainboard/google/veyron_jerry/boardid.c @@ -0,0 +1,43 @@ +/* + * 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 +#include +#include +#include + +uint8_t board_id(void) +{ + static int id = -1; + static const 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) { + int i; + + id = 0; + for (i = 0; i < ARRAY_SIZE(pins); i++) { + gpio_input(pins[i]); + id |= gpio_get(pins[i]) << i; + } + printk(BIOS_SPEW, "Board ID: %d.\n", id); + } + + return id; +} -- cgit v1.2.3