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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Nicola Corna <nicola@corna.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <ec/acpi/ec.h>
#include <pc80/mc146818rtc.h>
#include "h8.h"
enum usb_always_on {
UAO_OFF = 0,
UAO_AC_AND_BATTERY,
UAO_AC_ONLY
};
void h8_usb_always_on(void)
{
enum usb_always_on val;
u8 reg;
if (get_option(&val, "usb_always_on") != CB_SUCCESS)
val = UAO_OFF;
if (val == UAO_AC_AND_BATTERY) {
reg = ec_read(H8_USB_ALWAYS_ON);
reg &= ~H8_USB_ALWAYS_ON_AC_ONLY;
reg |= H8_USB_ALWAYS_ON_ENABLE;
ec_write(H8_USB_ALWAYS_ON, reg);
} else if (val == UAO_AC_ONLY) {
reg = ec_read(H8_USB_ALWAYS_ON);
reg |= H8_USB_ALWAYS_ON_AC_ONLY;
reg |= H8_USB_ALWAYS_ON_ENABLE;
ec_write(H8_USB_ALWAYS_ON, reg);
ec_set_bit(0x2, 3);
}
}
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