| /* |
| * 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 <cpu/samsung/exynos5250/cpu.h> |
| #include <cpu/samsung/exynos5250/gpio.h> |
| #include <cpu/samsung/exynos5-common/gpio.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 |
| #define LID_OPEN 3 |
| #define POWER_BUTTON 3 |
| |
| #include <boot/coreboot_tables.h> |
| #include <arch/coreboot_tables.h> |
| |
| #define GPIO_COUNT 6 |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct exynos5_gpio_part1 *gpio_pt1; |
| struct exynos5_gpio_part2 *gpio_pt2; |
| |
| gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); |
| gpios->count = GPIO_COUNT; |
| |
| gpio_pt1 = (struct exynos5_gpio_part1 *)EXYNOS5_GPIO_PART1_BASE; |
| gpio_pt2 = (struct exynos5_gpio_part2 *)EXYNOS5_GPIO_PART2_BASE; |
| |
| /* Write Protect: active Low */ |
| gpios->gpios[0].port = EXYNOS5_GPD1; |
| gpios->gpios[0].polarity = ACTIVE_LOW; |
| gpios->gpios[0].value = s5p_gpio_get_value(&gpio_pt1->d1, WP_GPIO); |
| strncpy((char *)gpios->gpios[0].name,"write protect", |
| GPIO_MAX_NAME_LENGTH); |
| |
| /* Recovery: active high */ |
| gpios->gpios[1].port = EXYNOS5_GPY1; |
| gpios->gpios[1].polarity = ACTIVE_HIGH; |
| gpios->gpios[1].value = s5p_gpio_get_value(&gpio_pt1->y1, FORCE_RECOVERY_MODE); |
| strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH); |
| |
| /* Lid: the "switch" comes from the EC */ |
| gpios->gpios[2].port = EXYNOS5_GPX3; |
| gpios->gpios[2].polarity = ACTIVE_LOW; |
| gpios->gpios[2].value = s5p_gpio_get_value(&gpio_pt2->x3, LID_OPEN); |
| strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH); |
| |
| /* Power: virtual GPIO active low */ |
| gpios->gpios[3].port = -1; |
| gpios->gpios[3].polarity = ACTIVE_LOW; |
| gpios->gpios[3].value = 1; |
| strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH); |
| |
| /* Developer: virtual GPIO active high */ |
| gpios->gpios[4].port = -1; |
| gpios->gpios[4].polarity = ACTIVE_HIGH; |
| gpios->gpios[4].value = 0; |
| strncpy((char *)gpios->gpios[4].name,"developer", |
| GPIO_MAX_NAME_LENGTH); |
| |
| /* Was VGA Option ROM loaded? */ |
| gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */ |
| gpios->gpios[5].polarity = ACTIVE_HIGH; |
| gpios->gpios[5].value = 0; |
| strncpy((char *)gpios->gpios[5].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; |
| } |