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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#include <arch/io.h>
#include <soc/pmc.h>
#include <soc/reset.h>
void cold_reset(void)
{
/* S0->S5->S0 trip. */
outb(RST_CPU | SYS_RST | FULL_RST, RST_CNT);
}
void warm_reset(void)
{
/* PMC_PLTRST# asserted. */
outb(RST_CPU | SYS_RST, RST_CNT);
}
void soft_reset(void)
{
/* Sends INIT# to CPU */
outb(RST_CPU, RST_CNT);
}
void hard_reset(void)
{
/* Don't power cycle on hard_reset(). It's not really clear what the
* semantics should be for the meaning of hard_reset(). */
warm_reset();
}
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