From e3110b862071ae0797afb0688495315a7dd47739 Mon Sep 17 00:00:00 2001 From: Shelley Chen Date: Mon, 10 Dec 2018 12:59:01 -0800 Subject: mb/google/hatch: Creating skeleton directories and files Creating skeleton files and directories in mainboard for the new Hatch board. This is to facilitate development for different parties involved. BUG=None BRANCH=None TEST=./util/abuild/abuild -p none -t google/hatch -x -a Change-Id: I5fc60c178f83034abe5d846d0f4169072b66f448 Signed-off-by: Shelley Chen Reviewed-on: https://review.coreboot.org/c/30169 Tested-by: build bot (Jenkins) Reviewed-by: Aamir Bohra --- src/mainboard/google/hatch/chromeos.c | 80 +++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 src/mainboard/google/hatch/chromeos.c (limited to 'src/mainboard/google/hatch/chromeos.c') diff --git a/src/mainboard/google/hatch/chromeos.c b/src/mainboard/google/hatch/chromeos.c new file mode 100644 index 0000000000..36fba45ac7 --- /dev/null +++ b/src/mainboard/google/hatch/chromeos.c @@ -0,0 +1,80 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio chromeos_gpios[] = { + {-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"}, + {-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"}, + {-1, ACTIVE_HIGH, get_lid_switch(), "lid"}, + {-1, ACTIVE_HIGH, 0, "power"}, + {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, + {-1, ACTIVE_HIGH, 0, "EC in RW"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); +} + +static int cros_get_gpio_value(int type) +{ + const struct cros_gpio *cros_gpios; + size_t i, num_gpios = 0; + + cros_gpios = variant_cros_gpios(&num_gpios); + + for (i = 0; i < num_gpios; i++) { + const struct cros_gpio *gpio = &cros_gpios[i]; + if (gpio->type == type) { + int state = gpio_get(gpio->gpio_num); + if (gpio->polarity == CROS_GPIO_ACTIVE_LOW) + return !state; + else + return state; + } + } + return 0; +} + +void mainboard_chromeos_acpi_generate(void) +{ + const struct cros_gpio *cros_gpios; + size_t num_gpios = 0; + + cros_gpios = variant_cros_gpios(&num_gpios); + + chromeos_acpi_gpio_generate(cros_gpios, num_gpios); +} + +int get_write_protect_state(void) +{ + return cros_get_gpio_value(CROS_GPIO_WP); +} + +int get_recovery_mode_switch(void) +{ + return cros_get_gpio_value(CROS_GPIO_REC); +} + +int get_lid_switch(void) +{ + return 1; +} -- cgit v1.2.3