| /* |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/io.h> |
| #include <baytrail/pmc.h> |
| #include <baytrail/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(); |
| } |