/* * BRIEF MODULE DESCRIPTION * Galileo EV96100 reset routines. * * Copyright 2000 MontaVista Software Inc. * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * * This file was derived from Carsten Langgaard's * arch/mips/mips-boards/generic/reset.c * * Carsten Langgaard, carstenl@mips.com * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. * * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * 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., * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include #include #include static void mips_machine_restart(char *command); static void mips_machine_halt(void); static void mips_machine_restart(char *command) { set_c0_status(ST0_BEV | ST0_ERL); change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); flush_cache_all(); write_c0_wired(0); __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); while (1); } static void mips_machine_halt(void) { printk(KERN_NOTICE "You can safely turn off the power\n"); while (1) __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); } void mips_reboot_setup(void) { _machine_restart = mips_machine_restart; _machine_halt = mips_machine_halt; }