/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH * Marius Groeger * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH * Alex Zuepke * * (C) Copyright 2002 * Gary Jennejohn, DENX Software Engineering, * * (C) Copyright 2009 * Ilya Yanok, Emcraft Systems Ltd, * * See file CREDITS for list of people who contributed to this * project. * * 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; either version 2 of * the License, or (at your option) any later version. * * 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include /* * Reset the cpu by setting up the watchdog timer and let it time out */ void reset_cpu(ulong ignored) { struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE; /* Disable watchdog and set Time-Out field to 0 */ writel(0x00000000, ®s->wcr); /* Write Service Sequence */ writel(0x00005555, ®s->wsr); writel(0x0000AAAA, ®s->wsr); /* Enable watchdog */ writel(WCR_WDE, ®s->wcr); while (1); /*NOTREACHED*/ }