| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2017 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. |
| */ |
| |
| #include <arch/cache.h> |
| #include <compiler.h> |
| #include <console/console.h> |
| #include <halt.h> |
| #include <reset.h> |
| |
| __attribute__((noreturn)) static void __hard_reset(void) { |
| if (IS_ENABLED(CONFIG_HAVE_HARD_RESET)) |
| do_hard_reset(); |
| else |
| printk(BIOS_CRIT, "No hard_reset implementation, hanging...\n"); |
| halt(); |
| } |
| |
| /* Not all platforms implement all reset types. Fall back to hard_reset. */ |
| __weak void do_global_reset(void) { __hard_reset(); } |
| __weak void do_soft_reset(void) { __hard_reset(); } |
| |
| __weak void soc_reset_prepare(enum reset_type rt) { /* no-op */ } |
| |
| void global_reset(void) |
| { |
| printk(BIOS_INFO, "%s() called!\n", __func__); |
| soc_reset_prepare(GLOBAL_RESET); |
| dcache_clean_all(); |
| do_global_reset(); |
| halt(); |
| } |
| |
| void hard_reset(void) |
| { |
| printk(BIOS_INFO, "%s() called!\n", __func__); |
| soc_reset_prepare(HARD_RESET); |
| dcache_clean_all(); |
| __hard_reset(); |
| } |
| |
| void soft_reset(void) |
| { |
| printk(BIOS_INFO, "%s() called!\n", __func__); |
| soc_reset_prepare(SOFT_RESET); |
| dcache_clean_all(); |
| do_soft_reset(); |
| halt(); |
| } |