56260850e8
Move all the various places that look at board specific GPIOs into the mainboard gpio.h so it can be easily ported to new boards. BUG=chrome-os-partner:40635 BRANCH=none TEST=build and boot on glados p2 Original-Change-Id: I3f1754012158dd5c7d5bbd6e07e40850f21af56d Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/293942 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Change-Id: I93c4dc1795c1107a3d96e686f03df3199f30de8a Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/11282 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2015 Google Inc.
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* Copyright (C) 2015 Intel Corporation
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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 <arch/io.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <rules.h>
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#include <gpio.h>
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#include <soc/gpio.h>
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#include <string.h>
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#include <ec/google/chromeec/ec.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include <mainboard/google/glados/gpio.h>
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#include "ec.h"
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#if ENV_RAMSTAGE
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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++, -1, ACTIVE_HIGH, "write protect",
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get_write_protect_state());
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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 /* ENV_RAMSTAGE */
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int get_lid_switch(void)
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{
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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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}
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int get_developer_mode_switch(void)
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{
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/* No physical developer mode switch. */
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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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/* Check for dedicated recovery switch first. */
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if (google_chromeec_get_switches() & EC_SWITCH_DEDICATED_RECOVERY)
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return 1;
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/* Otherwise 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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/* 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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/* Read PCH_WP GPIO. */
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return gpio_get(GPIO_PCH_WP);
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}
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