diff options
| -rw-r--r-- | src/mainboard/google/storm/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/storm/chromeos.c | 71 | ||||
| -rw-r--r-- | src/mainboard/google/storm/mainboard.c | 26 |
3 files changed, 72 insertions, 26 deletions
diff --git a/src/mainboard/google/storm/Makefile.inc b/src/mainboard/google/storm/Makefile.inc index 5add3b3e56..aace929f5f 100644 --- a/src/mainboard/google/storm/Makefile.inc +++ b/src/mainboard/google/storm/Makefile.inc @@ -28,6 +28,7 @@ romstage-y += reset.c ramstage-y += boardid.c ramstage-y += cdp.c +ramstage-y += chromeos.c ramstage-y += mainboard.c ramstage-y += reset.c diff --git a/src/mainboard/google/storm/chromeos.c b/src/mainboard/google/storm/chromeos.c new file mode 100644 index 0000000000..5913c3fe13 --- /dev/null +++ b/src/mainboard/google/storm/chromeos.c @@ -0,0 +1,71 @@ +/* + * 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 <boot/coreboot_tables.h> +#include <console/console.h> +#include <delay.h> +#include <gpio.h> +#include <string.h> +#include <vendorcode/google/chromeos/chromeos.h> + +#define DEV_SW 15 +#define DEV_POL ACTIVE_LOW +#define REC_SW 16 +#define REC_POL ACTIVE_LOW +#define WP_SW 17 +#define WP_POL ACTIVE_LOW + +static int read_gpio(gpio_t gpio_num) +{ + gpio_tlmm_config_set(gpio_num, GPIO_FUNC_DISABLE, + GPIO_NO_PULL, GPIO_2MA, GPIO_DISABLE); + udelay(10); /* Should be enough to settle. */ + return gpio_get(gpio_num); +} + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio *gpio; + const int GPIO_COUNT = 5; + + gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); + gpios->count = GPIO_COUNT; + + gpio = gpios->gpios; + fill_lb_gpio(gpio++, DEV_SW, ACTIVE_LOW, "developer", read_gpio(DEV_SW)); + fill_lb_gpio(gpio++, REC_SW, ACTIVE_LOW, "recovery", read_gpio(REC_SW)); + fill_lb_gpio(gpio++, WP_SW, ACTIVE_LOW, "write protect", read_gpio(WP_SW)); + fill_lb_gpio(gpio++, -1, ACTIVE_LOW, "power", 1); + fill_lb_gpio(gpio++, -1, ACTIVE_LOW, "lid", 0); +} + +int get_developer_mode_switch(void) +{ + return read_gpio(DEV_SW) ^ !DEV_POL; +} + +int get_recovery_mode_switch(void) +{ + return read_gpio(REC_SW) ^ !REC_POL; +} + +int get_write_protect_state(void) +{ + return read_gpio(WP_SW) ^ !WP_POL; +} diff --git a/src/mainboard/google/storm/mainboard.c b/src/mainboard/google/storm/mainboard.c index 69aecb148a..3ed2c7fcaf 100644 --- a/src/mainboard/google/storm/mainboard.c +++ b/src/mainboard/google/storm/mainboard.c @@ -20,13 +20,11 @@ #include <arch/cache.h> #include <boardid.h> #include <boot/coreboot_tables.h> -#include <console/console.h> #include <delay.h> #include <device/device.h> #include <gpio.h> #include <soc/clock.h> #include <soc/usb.h> -#include <string.h> #include <symbols.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -149,27 +147,3 @@ void lb_board(struct lb_header *header) lb_table_add_macs_from_vpd(header); #endif } - -static int read_gpio(gpio_t gpio_num) -{ - gpio_tlmm_config_set(gpio_num, GPIO_FUNC_DISABLE, - GPIO_NO_PULL, GPIO_2MA, GPIO_DISABLE); - udelay(10); /* Should be enough to settle. */ - return gpio_get(gpio_num); -} - -void fill_lb_gpios(struct lb_gpios *gpios) -{ - struct lb_gpio *gpio; - const int GPIO_COUNT = 5; - - gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); - gpios->count = GPIO_COUNT; - - gpio = gpios->gpios; - fill_lb_gpio(gpio++, 15, ACTIVE_LOW, "developer", read_gpio(15)); - fill_lb_gpio(gpio++, 16, ACTIVE_LOW, "recovery", read_gpio(16)); - fill_lb_gpio(gpio++, 17, ACTIVE_LOW, "write protect", read_gpio(17)); - fill_lb_gpio(gpio++, -1, ACTIVE_LOW, "power", 1); - fill_lb_gpio(gpio++, -1, ACTIVE_LOW, "lid", 0); -} |