| /* |
| * 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 */ |