99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2013 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <string.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include <arch/io.h>
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#include <device/device.h>
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#define ACTIVE_LOW 0
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#define ACTIVE_HIGH 1
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#define WP_GPIO 6
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#define DEVMODE_GPIO 54
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#define FORCE_RECOVERY_MODE 0
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#define FORCE_DEVELOPER_MODE 0
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#include <boot/coreboot_tables.h>
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#include <arch/coreboot_tables.h>
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#define GPIO_COUNT 4
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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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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/* Write Protect: virtual GPIO active Low */
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gpios->gpios[0].port = -1;
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gpios->gpios[0].polarity = ACTIVE_LOW;
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gpios->gpios[0].value = 1;
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strncpy((char *)gpios->gpios[0].name,"write protect",
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GPIO_MAX_NAME_LENGTH);
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/* Recovery: virtual GPIO active high */
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gpios->gpios[1].port = -1;
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gpios->gpios[1].polarity = ACTIVE_HIGH;
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gpios->gpios[1].value = 0;
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strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
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/* Developer: virtual GPIO active high */
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gpios->gpios[2].port = -1;
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gpios->gpios[2].polarity = ACTIVE_HIGH;
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gpios->gpios[2].value = 1;
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strncpy((char *)gpios->gpios[2].name,"developer",
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GPIO_MAX_NAME_LENGTH);
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/* Was VGA Option ROM loaded? */
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gpios->gpios[3].port = -1; /* Indicate that this is a pseudo GPIO */
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gpios->gpios[3].polarity = ACTIVE_HIGH;
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gpios->gpios[3].value = 0;
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strncpy((char *)gpios->gpios[3].name,"oprom", GPIO_MAX_NAME_LENGTH);
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printk(BIOS_ERR, "Added %d GPIOS size %d\n", GPIO_COUNT, gpios->size);
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}
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int get_developer_mode_switch(void)
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{
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int dev_mode = 0;
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printk(BIOS_DEBUG,"FORCING DEVELOPER MODE.\n");
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dev_mode = 1;
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printk(BIOS_DEBUG,"DEVELOPER MODE FROM GPIO %d: %x\n",DEVMODE_GPIO,
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dev_mode);
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return dev_mode;
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}
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int get_recovery_mode_switch(void)
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{
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int ec_rec_mode = 0;
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return ec_rec_mode;
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}
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int get_recovery_mode_from_vbnv(void)
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{
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return 1;
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}
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