a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 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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#include <string.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 <console/console.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include <ec/google/chromeec/ec.h>
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#include <soc/gpio.h>
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#include "ec.h"
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/* SPI Write protect is GPIO 16 */
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#define CROS_WP_GPIO 58
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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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/*static void fill_lb_gpio(struct lb_gpio *gpio, int num,
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int polarity, const char *name, int force)
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{
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memset(gpio, 0, sizeof(*gpio));
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gpio->port = num;
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gpio->polarity = polarity;
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if (force >= 0)
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gpio->value = force;
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else if (num >= 0)
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gpio->value = get_gpio(num);
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strncpy((char *)gpio->name, name, GPIO_MAX_NAME_LENGTH);
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}
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*/
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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++, CROS_WP_GPIO, 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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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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}
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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(CROS_WP_GPIO);
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}
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