blob: bca38f81d332a2c6e1f5bf8f8fb7744f5d427413 [file] [log] [blame]
wdenk074cff02004-02-24 00:16:43 +00001/*
2 * (C) Copyright 2004
3 * DAVE Srl
4 * http://www.dave-tech.it
5 * http://www.wawnet.biz
6 * mailto:info@wawnet.biz
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27/*
28 * S3C44B0 CPU specific code
29 */
30
31#include <common.h>
32#include <command.h>
33#include <asm/hardware.h>
34
Jean-Christophe PLAGNIOL-VILLARDad7e8aac2009-05-09 13:21:19 +020035int arch_cpu_init (void)
wdenk074cff02004-02-24 00:16:43 +000036{
37 icache_enable();
38
39 return 0;
40}
41
42int cleanup_before_linux (void)
43{
44 /*
45 cache memory should be enabled before calling
46 Linux to make the kernel uncompression faster
47 */
48 icache_enable();
49
50 disable_interrupts ();
51
52 return 0;
53}
54
55void reset_cpu (ulong addr)
56{
57 /*
58 reset the cpu using watchdog
59 */
60
61 /* Disable the watchdog.*/
62 WTCON&=~(1<<5);
63
64 /* set the timeout value to a short time... */
65 WTCNT = 0x1;
66
67 /* Enable the watchdog. */
68 WTCON|=1;
69 WTCON|=(1<<5);
70
71 while(1) {
72 /*NOP*/
73 }
74}