blob: f24e4ba525faef54db0be44af5e212e6c5c8e497 [file] [log] [blame]
wdenk2262cfe2002-11-18 00:14:45 +00001/*
2 * (C) Copyright 2002
3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
wdenk8bde7f72003-06-27 21:31:46 +00004 *
wdenk2262cfe2002-11-18 00:14:45 +00005 * (C) Copyright 2002
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
8 *
9 * (C) Copyright 2002
10 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
11 * Alex Zuepke <azu@sysgo.de>
12 *
13 * See file CREDITS for list of people who contributed to this
14 * project.
15 *
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License as
18 * published by the Free Software Foundation; either version 2 of
19 * the License, or (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 * MA 02111-1307 USA
30 */
31
32/*
33 * CPU specific code
34 */
35
36#include <common.h>
37#include <command.h>
38
39int cpu_init(void)
40{
wdenk7a8e9bed2003-05-31 18:35:21 +000041 /* initialize FPU, reset EM, set MP and NE */
42 asm ("fninit\n" \
wdenk8bde7f72003-06-27 21:31:46 +000043 "movl %cr0, %eax\n" \
44 "andl $~0x4, %eax\n" \
45 "orl $0x22, %eax\n" \
46 "movl %eax, %cr0\n" );
47
wdenk2262cfe2002-11-18 00:14:45 +000048 return 0;
49}
50
51int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
52{
53 extern void reset_cpu(ulong addr);
54
55 printf ("resetting ...\n");
56 udelay(50000); /* wait 50 ms */
57 disable_interrupts();
58 reset_cpu(0);
59
60 /*NOTREACHED*/
61 return 0;
62}
63
64void flush_cache (unsigned long dummy1, unsigned long dummy2)
65{
66 asm("wbinvd\n");
67 return;
68}