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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 Intel Corp.
*
* 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.
*/
#ifndef X86_CF9_RESET_H
#define X86_CF9_RESET_H
/* Reset control port */
#define RST_CNT 0xcf9
#define FULL_RST (1 << 3)
#define RST_CPU (1 << 2)
#define SYS_RST (1 << 1)
/* Implement the bare reset, i.e. write to cf9. */
void do_system_reset(void);
void do_full_reset(void);
/* Called by functions below before reset. */
#if IS_ENABLED(CONFIG_HAVE_CF9_RESET_PREPARE)
void cf9_reset_prepare(void);
#else
static inline void cf9_reset_prepare(void) {}
#endif
/* Prepare for reset, run do_*_reset(), halt. */
__noreturn void system_reset(void);
__noreturn void full_reset(void);
#endif /* X86_CF9_RESET_H */
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