diff options
Diffstat (limited to 'arch/arm/mach-s3c2416/pm.c')
-rw-r--r-- | arch/arm/mach-s3c2416/pm.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/arm/mach-s3c2416/pm.c b/arch/arm/mach-s3c2416/pm.c deleted file mode 100644 index 3bdb15a0d41..00000000000 --- a/arch/arm/mach-s3c2416/pm.c +++ /dev/null @@ -1,83 +0,0 @@ -/* linux/arch/arm/mach-s3c2416/pm.c - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * S3C2416 - PM support (Based on Ben Dooks' S3C2412 PM support) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/device.h> -#include <linux/syscore_ops.h> -#include <linux/io.h> - -#include <asm/cacheflush.h> - -#include <mach/regs-power.h> -#include <mach/regs-s3c2443-clock.h> - -#include <plat/cpu.h> -#include <plat/pm.h> - -extern void s3c2412_sleep_enter(void); - -static int s3c2416_cpu_suspend(unsigned long arg) -{ - /* enable wakeup sources regardless of battery state */ - __raw_writel(S3C2443_PWRCFG_SLEEP, S3C2443_PWRCFG); - - /* set the mode as sleep, 2BED represents "Go to BED" */ - __raw_writel(0x2BED, S3C2443_PWRMODE); - - s3c2412_sleep_enter(); - - panic("sleep resumed to originator?"); -} - -static void s3c2416_pm_prepare(void) -{ - /* - * write the magic value u-boot uses to check for resume into - * the INFORM0 register, and ensure INFORM1 is set to the - * correct address to resume from. - */ - __raw_writel(0x2BED, S3C2412_INFORM0); - __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); -} - -static int s3c2416_pm_add(struct device *dev) -{ - pm_cpu_prep = s3c2416_pm_prepare; - pm_cpu_sleep = s3c2416_cpu_suspend; - - return 0; -} - -static struct subsys_interface s3c2416_pm_interface = { - .name = "s3c2416_pm", - .subsys = &s3c2416_subsys, - .add_dev = s3c2416_pm_add, -}; - -static __init int s3c2416_pm_init(void) -{ - return subsys_interface_register(&s3c2416_pm_interface); -} - -arch_initcall(s3c2416_pm_init); - - -static void s3c2416_pm_resume(void) -{ - /* unset the return-from-sleep amd inform flags */ - __raw_writel(0x0, S3C2443_PWRMODE); - __raw_writel(0x0, S3C2412_INFORM0); - __raw_writel(0x0, S3C2412_INFORM1); -} - -struct syscore_ops s3c2416_pm_syscore_ops = { - .resume = s3c2416_pm_resume, -}; |