diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2013-10-04 16:00:07 -0500 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-02-05 05:24:26 +0100 |
| commit | c625d0983c6427277c3f6ebd9911def76d6351c9 (patch) | |
| tree | 25057244d5a367bb84f2f7320267be4bb2ea9474 /src/mainboard/google/rambi/chromeos.c | |
| parent | 189aa3e2aec9ca6446d8425a3ec3a11cb4b5c696 (diff) | |
| download | coreboot-c625d0983c6427277c3f6ebd9911def76d6351c9.tar.xz | |
mainboard/google: add initial rambi mainboard support
BUG=chrome-os-partner:23121
BRANCH=None
TEST=None
Change-Id: I283415be326e2d92e1e1bf7866954f17a7266edb
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171940
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-on: http://review.coreboot.org/4865
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/google/rambi/chromeos.c')
| -rw-r--r-- | src/mainboard/google/rambi/chromeos.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/mainboard/google/rambi/chromeos.c b/src/mainboard/google/rambi/chromeos.c new file mode 100644 index 0000000000..2681b3a495 --- /dev/null +++ b/src/mainboard/google/rambi/chromeos.c @@ -0,0 +1,79 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 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 <string.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <arch/io.h> +#include <device/device.h> +#include <device/pci.h> + +/* Compile-time settings for developer and recovery mode. */ +#define DEV_MODE_SETTING 1 +#define REC_MODE_SETTING 0 + +#ifndef __PRE_RAM__ +#include <boot/coreboot_tables.h> + +#define GPIO_COUNT 6 +#define ACTIVE_LOW 0 +#define ACTIVE_HIGH 1 + +static void fill_lb_gpio(struct lb_gpio *gpio, int polarity, + const char *name, int force) +{ + memset(gpio, 0, sizeof(*gpio)); + gpio->port = -1; + gpio->polarity = polarity; + if (force >= 0) + gpio->value = force; + strncpy((char *)gpio->name, name, GPIO_MAX_NAME_LENGTH); +} + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio *gpio; + + gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); + gpios->count = GPIO_COUNT; + + gpio = gpios->gpios; + fill_lb_gpio(gpio++, ACTIVE_HIGH, "write protect", 0); + fill_lb_gpio(gpio++, ACTIVE_HIGH, "recovery", REC_MODE_SETTING); + fill_lb_gpio(gpio++, ACTIVE_HIGH, "developer", DEV_MODE_SETTING); + fill_lb_gpio(gpio++, ACTIVE_HIGH, "lid", 1); // force open + fill_lb_gpio(gpio++, ACTIVE_HIGH, "power", 0); + fill_lb_gpio(gpio++, ACTIVE_HIGH, "oprom", oprom_is_loaded); +} +#endif + +int get_developer_mode_switch(void) +{ + return DEV_MODE_SETTING; +} + +int get_recovery_mode_switch(void) +{ + return REC_MODE_SETTING; +} + +int get_write_protect_state(void) +{ + return 0; +} + |