/* * (C) Copyright 2002 * Daniel Engstr�m, Omicron Ceti AB, daniel@omicron.se. * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Alex Zuepke <azu@sysgo.de> * * 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 */ /* * CPU specific code */ #include <common.h> #include <command.h> int cpu_init(void) { /* initialize FPU, reset EM, set MP and NE */ asm ("fninit\n" \ "movl %cr0, %eax\n" \ "andl $~0x4, %eax\n" \ "orl $0x22, %eax\n" \ "movl %eax, %cr0\n" ); return 0; } int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { printf ("resetting ...\n"); udelay(50000); /* wait 50 ms */ disable_interrupts(); reset_cpu(0); /*NOTREACHED*/ return 0; } void flush_cache (unsigned long dummy1, unsigned long dummy2) { asm("wbinvd\n"); return; }