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author | Katie Roberts-Hoffman <katierh@chromium.org> | 2014-11-19 18:17:52 -0800 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-10 20:51:11 +0200 |
commit | f757bf8e769333f850e03f150d1973862a978644 (patch) | |
tree | 62906a69481febb5027630f9494435b1503f72d6 /src/mainboard/google/veyron_mighty/chromeos.c | |
parent | 40f558e8f4f77ab70a8a2eb9bdfa850e362cb553 (diff) | |
download | coreboot-f757bf8e769333f850e03f150d1973862a978644.tar.xz |
Add google/veyron_mighty board
Essentially a copy of veyron_jerry for now.
BUG=chrome-os-partner:33269
TEST=build
Change-Id: Ie2d115d57fe4b6359fa6bb16a2e85e88ec99e991
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9ec25b9cf2985786e55f0b85c3849ccbd42bddd4
Original-Change-Id: Icc45c8f8bf9f6916ba7187dde277d15cc60df8a2
Original-Signed-off-by: Katie Roberts-Hoffman <katierh@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/230961
Original-Commit-Id: 407b8b74a068220d8051dd0d85d9c4ec3ea14d51
Original-Change-Id: I546dbc41ccd191159e96b851424fcb37902a57ec
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/231691
Reviewed-on: http://review.coreboot.org/9554
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/google/veyron_mighty/chromeos.c')
-rw-r--r-- | src/mainboard/google/veyron_mighty/chromeos.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_mighty/chromeos.c b/src/mainboard/google/veyron_mighty/chromeos.c new file mode 100644 index 0000000000..6e6a855edf --- /dev/null +++ b/src/mainboard/google/veyron_mighty/chromeos.c @@ -0,0 +1,112 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Rockchip 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 <boot/coreboot_tables.h> +#include <console/console.h> +#include <ec/google/chromeec/ec.h> +#include <ec/google/chromeec/ec_commands.h> +#include <gpio.h> +#include <string.h> +#include <vendorcode/google/chromeos/chromeos.h> + +#define GPIO_WP GPIO(7, A, 6) +#define GPIO_LID GPIO(0, A, 6) +#define GPIO_POWER GPIO(0, A, 5) +#define GPIO_RECOVERY GPIO(0, B, 1) + +void setup_chromeos_gpios(void) +{ + gpio_input(GPIO_WP); + gpio_input_pullup(GPIO_LID); + gpio_input(GPIO_POWER); + gpio_input_pullup(GPIO_RECOVERY); +} + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + int count = 0; + + /* Write Protect: active low */ + gpios->gpios[count].port = GPIO_WP.raw; + gpios->gpios[count].polarity = ACTIVE_LOW; + gpios->gpios[count].value = gpio_get(GPIO_WP); + strncpy((char *)gpios->gpios[count].name, "write protect", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Recovery: active low */ + gpios->gpios[count].port = GPIO_RECOVERY.raw; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = get_recovery_mode_switch(); + strncpy((char *)gpios->gpios[count].name, "recovery", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Lid: active high */ + gpios->gpios[count].port = GPIO_LID.raw; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = gpio_get(GPIO_LID); + strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); + count++; + + /* Power:GPIO active high */ + gpios->gpios[count].port = GPIO_POWER.raw; + gpios->gpios[count].polarity = ACTIVE_LOW; + gpios->gpios[count].value = gpio_get(GPIO_POWER); + strncpy((char *)gpios->gpios[count].name, "power", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Developer: GPIO active high */ + gpios->gpios[count].port = -1; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = get_developer_mode_switch(); + strncpy((char *)gpios->gpios[count].name, "developer", + GPIO_MAX_NAME_LENGTH); + count++; + + gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio)); + gpios->count = count; + + printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size); +} + +int get_developer_mode_switch(void) +{ + return 0; +} + +int get_recovery_mode_switch(void) +{ + uint32_t ec_events; + + /* The GPIO is active low. */ + if (!gpio_get(GPIO_RECOVERY)) + return 1; + + ec_events = google_chromeec_get_events_b(); + return !!(ec_events & + EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); +} + +int get_write_protect_state(void) +{ + return !gpio_get(GPIO_WP); +} + |