1 /* linux/arch/arm/plat-s5p/sleep.S
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * S5PV210 power Manager (Suspend-To-RAM) support
7 * Based on S3C2410 sleep code by:
8 * Ben Dooks, (c) 2004 Simtec Electronics
10 * Based on PXA/SA1100 sleep code by:
11 * Nicolas Pitre, (c) 2002 Monta Vista Software Inc
12 * Cliff Brake, (c) 2001
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <linux/linkage.h>
30 #include <asm/assembler.h>
31 #include <asm/memory.h>
43 stmfd sp!, { r3 - r12, lr }
44 ldr r3, =resume_with_mmu
52 ldmfd sp!, { r3 - r12, pc }
56 /* sleep magic, to allow the bootloader to check for an valid
57 * image to resume to. Must be the first word before the
58 * s3c_cpu_resume entry.
65 * resume code entry for bootloader to call
67 * we must put this code here in the data segment as we have no
68 * other way of restoring the stack pointer after sleep, and we
69 * must not write to the code segment (code is read-only)