/* * 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 */ #ifndef _BAYTRAIL_RESET_H_ #define _BAYTRAIL_RESET_H_ #include /* Bay Trail has the following types of resets: * - Soft reset (INIT# to cpu) - write 0x1 to I/O 0x92 * - Soft reset (INIT# to cpu)- write 0x4 to I/0 0xcf9 * - Cold reset (S0->S5->S0) - write 0xe to I/0 0xcf9 * - Warm reset (PMC_PLTRST# assertion) - write 0x6 to I/O 0xcf9 * - Global reset (S0->S5->S0 with TXE reset) - write 0x6 or 0xe to 0xcf9 but * with ETR[20] set. */ void cold_reset(void); void warm_reset(void); #endif /* _BAYTRAIL_RESET_H_ */