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Abhilash Kesavane2e13622011-10-04 20:25:51 +09001/* linux/arch/arm/plat-s5p/sleep.S
Jaecheol Lee16638952011-03-10 13:33:59 +09002 *
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
Abhilash Kesavane2e13622011-10-04 20:25:51 +09006 * Common S5P Sleep Code
7 * Based on S3C64XX sleep code by:
8 * Ben Dooks, (c) 2008 Simtec Electronics
Jaecheol Lee16638952011-03-10 13:33:59 +09009 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23*/
24
25#include <linux/linkage.h>
26#include <asm/assembler.h>
Jaecheol Lee16638952011-03-10 13:33:59 +090027
28 .text
29
30 /*
Jaecheol Lee16638952011-03-10 13:33:59 +090031 * sleep magic, to allow the bootloader to check for an valid
32 * image to resume to. Must be the first word before the
33 * s3c_cpu_resume entry.
34 */
35
36 .word 0x2bedf00d
37
38 /*
39 * s3c_cpu_resume
40 *
41 * resume code entry for bootloader to call
42 *
43 * we must put this code here in the data segment as we have no
44 * other way of restoring the stack pointer after sleep, and we
45 * must not write to the code segment (code is read-only)
46 */
47
48ENTRY(s3c_cpu_resume)
49 b cpu_resume