Abhilash Kesavan | e2e1362 | 2011-10-04 20:25:51 +0900 | [diff] [blame] | 1 | /* linux/arch/arm/plat-s5p/sleep.S |
Jaecheol Lee | 1663895 | 2011-03-10 13:33:59 +0900 | [diff] [blame] | 2 | * |
| 3 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. |
| 4 | * http://www.samsung.com |
| 5 | * |
Abhilash Kesavan | e2e1362 | 2011-10-04 20:25:51 +0900 | [diff] [blame] | 6 | * Common S5P Sleep Code |
| 7 | * Based on S3C64XX sleep code by: |
| 8 | * Ben Dooks, (c) 2008 Simtec Electronics |
Jaecheol Lee | 1663895 | 2011-03-10 13:33:59 +0900 | [diff] [blame] | 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> |
Jaecheol Lee | 1663895 | 2011-03-10 13:33:59 +0900 | [diff] [blame] | 27 | |
| 28 | .text |
| 29 | |
| 30 | /* |
Jaecheol Lee | 1663895 | 2011-03-10 13:33:59 +0900 | [diff] [blame] | 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 |