diff options
Diffstat (limited to 'src/mainboard/google/snow/chromeos.c')
-rw-r--r-- | src/mainboard/google/snow/chromeos.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mainboard/google/snow/chromeos.c b/src/mainboard/google/snow/chromeos.c new file mode 100644 index 0000000000..5f8e6312d5 --- /dev/null +++ b/src/mainboard/google/snow/chromeos.c @@ -0,0 +1,98 @@ +/* + * 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 <console/console.h> +#include <string.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <arch/io.h> + +#include <device/device.h> + +#define ACTIVE_LOW 0 +#define ACTIVE_HIGH 1 +#define WP_GPIO 6 +#define DEVMODE_GPIO 54 +#define FORCE_RECOVERY_MODE 0 +#define FORCE_DEVELOPER_MODE 0 + +#include <boot/coreboot_tables.h> +#include <arch/coreboot_tables.h> + +#define GPIO_COUNT 4 + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + + gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); + gpios->count = GPIO_COUNT; + + /* Write Protect: virtual GPIO active Low */ + gpios->gpios[0].port = -1; + gpios->gpios[0].polarity = ACTIVE_LOW; + gpios->gpios[0].value = 1; + strncpy((char *)gpios->gpios[0].name,"write protect", + GPIO_MAX_NAME_LENGTH); + + /* Recovery: virtual GPIO active high */ + gpios->gpios[1].port = -1; + gpios->gpios[1].polarity = ACTIVE_HIGH; + gpios->gpios[1].value = 0; + strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH); + + /* Developer: virtual GPIO active high */ + gpios->gpios[2].port = -1; + gpios->gpios[2].polarity = ACTIVE_HIGH; + gpios->gpios[2].value = 1; + strncpy((char *)gpios->gpios[2].name,"developer", + GPIO_MAX_NAME_LENGTH); + + /* Was VGA Option ROM loaded? */ + gpios->gpios[3].port = -1; /* Indicate that this is a pseudo GPIO */ + gpios->gpios[3].polarity = ACTIVE_HIGH; + gpios->gpios[3].value = 0; + strncpy((char *)gpios->gpios[3].name,"oprom", GPIO_MAX_NAME_LENGTH); + + printk(BIOS_ERR, "Added %d GPIOS size %d\n", GPIO_COUNT, gpios->size); + +} + +int get_developer_mode_switch(void) +{ + int dev_mode = 0; + + printk(BIOS_DEBUG,"FORCING DEVELOPER MODE.\n"); + + dev_mode = 1; + printk(BIOS_DEBUG,"DEVELOPER MODE FROM GPIO %d: %x\n",DEVMODE_GPIO, + dev_mode); + + return dev_mode; +} + +int get_recovery_mode_switch(void) +{ + int ec_rec_mode = 0; + + return ec_rec_mode; +} + +int get_recovery_mode_from_vbnv(void) +{ + return 1; +} |