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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 00000000000..0fd591bfc9f --- /dev/null +++ b/arch/arm/plat-s5p/sleep.S @@ -0,0 +1,49 @@ +/* linux/arch/arm/plat-s5p/sleep.S + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Common S5P Sleep Code + * Based on S3C64XX sleep code by: + * Ben Dooks, (c) 2008 Simtec Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/linkage.h> +#include <asm/assembler.h> + + .text + + /* + * sleep magic, to allow the bootloader to check for an valid + * image to resume to. Must be the first word before the + * s3c_cpu_resume entry. + */ + + .word 0x2bedf00d + + /* + * s3c_cpu_resume + * + * resume code entry for bootloader to call + * + * we must put this code here in the data segment as we have no + * other way of restoring the stack pointer after sleep, and we + * must not write to the code segment (code is read-only) + */ + +ENTRY(s3c_cpu_resume) + b cpu_resume |