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Diffstat (limited to 'arch/arm/plat-s5p/sleep.S')
-rw-r--r-- | arch/arm/plat-s5p/sleep.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/sleep.S b/arch/arm/plat-s5p/sleep.S new file mode 100644 index 000000000000..0fd591bfc9fd --- /dev/null +++ b/arch/arm/plat-s5p/sleep.S | |||
@@ -0,0 +1,49 @@ | |||
1 | /* linux/arch/arm/plat-s5p/sleep.S | ||
2 | * | ||
3 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | ||
4 | * http://www.samsung.com | ||
5 | * | ||
6 | * Common S5P Sleep Code | ||
7 | * Based on S3C64XX sleep code by: | ||
8 | * Ben Dooks, (c) 2008 Simtec Electronics | ||
9 | * | ||
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> | ||
27 | |||
28 | .text | ||
29 | |||
30 | /* | ||
31 | * 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 | |||
48 | ENTRY(s3c_cpu_resume) | ||
49 | b cpu_resume | ||