f08ed7d790
Change-Id: I513b26d39973d9714b531d1ab0755c66d19eb332 Signed-off-by: Shaunak Saha <shaunak.saha@intel.com> Reviewed-on: https://review.coreboot.org/22195 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2017 Intel Corp.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <baseboard/variants.h>
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#include <boot/coreboot_tables.h>
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#include <ec/google/chromeec/ec.h>
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#include <gpio.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include <soc/gpio.h>
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#include <variant/gpio.h>
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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struct lb_gpio chromeos_gpios[] = {
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{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
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{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
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{-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
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{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
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{-1, ACTIVE_HIGH, 0, "power"},
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{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
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{-1, ACTIVE_HIGH, 0, "EC in RW"},
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};
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lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
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}
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int get_lid_switch(void)
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{
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if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
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/* Read lid switch state from the EC. */
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return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
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else
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return 1;
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}
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int get_developer_mode_switch(void)
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{
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/* No physical developer mode switch. It's virtual. */
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return 0;
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}
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int get_recovery_mode_switch(void)
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{
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if (!IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
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return 0;
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/* Check if the EC has posted the keyboard recovery event. */
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return !!(google_chromeec_get_events_b() &
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EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
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}
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int clear_recovery_mode_switch(void)
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{
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if (!IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
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return 0;
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/* Clear keyboard recovery event. */
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return google_chromeec_clear_events_b(
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EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
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}
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int get_write_protect_state(void)
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{
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return 0;
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}
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void mainboard_chromeos_acpi_generate(void)
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{
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const struct cros_gpio *gpios;
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size_t num;
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gpios = variant_cros_gpios(&num);
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chromeos_acpi_gpio_generate(gpios, num);
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}
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