08b8785aeb
The function was used locally and in ramstage to set some coreboot tables. It's also needed in romstage to deal with "lid closed" behaviour. BRANCH=none BUG=chromium:446945 TEST=none Change-Id: I8ad7061328c45803699321aa9f5edb0ed2288a8d Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 78281a104fb9d79696a6ceb2a9a89a391146a424 Original-Change-Id: I56314b9dc9062dd61671982e7ec0ff15d7eb1bae Original-Signed-off-by: Patrick Georgi <pgeorgi@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/273609 Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> Original-Tested-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Queue: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10691 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2012 Google Inc.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.
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*/
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#include <string.h>
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#include <bootmode.h>
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#include <arch/io.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <southbridge/intel/lynxpoint/pch.h>
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#if CONFIG_EC_GOOGLE_CHROMEEC
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#include "ec.h"
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#include <ec/google/chromeec/ec.h>
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#endif
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#ifndef __PRE_RAM__
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#include <boot/coreboot_tables.h>
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#define GPIO_COUNT 6
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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struct lb_gpio *gpio;
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gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
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gpios->count = GPIO_COUNT;
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gpio = gpios->gpios;
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fill_lb_gpio(gpio++, 58, ACTIVE_HIGH, "write protect", 0);
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fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery",
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get_recovery_mode_switch());
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fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
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get_developer_mode_switch());
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fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid",
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get_lid_switch());
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fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
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fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
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}
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#endif
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int get_lid_switch(void)
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{
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#if CONFIG_EC_GOOGLE_CHROMEEC
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u8 ec_switches = inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SWITCHES);
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return !!(ec_switches & EC_SWITCH_LID_OPEN);
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#else
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return 0;
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#endif
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}
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/* The dev-switch is virtual */
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int get_developer_mode_switch(void)
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{
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return 0;
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}
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/* There are actually two recovery switches. One is the magic keyboard chord,
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* the other is driven by Servo. */
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int get_recovery_mode_switch(void)
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{
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#if CONFIG_EC_GOOGLE_CHROMEEC
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u8 ec_switches = inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SWITCHES);
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u32 ec_events;
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/* If a switch is set, we don't need to look at events. */
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if (ec_switches & (EC_SWITCH_DEDICATED_RECOVERY))
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return 1;
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/* Else check if the EC has posted the keyboard recovery event. */
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ec_events = google_chromeec_get_events_b();
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return !!(ec_events &
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EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
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#else
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return 0;
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#endif
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}
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int get_write_protect_state(void)
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{
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return get_gpio(58);
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}
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