diff options
Diffstat (limited to 'arch/arm/mach-s3c/pm-s3c2412.c')
-rw-r--r-- | arch/arm/mach-s3c/pm-s3c2412.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/arch/arm/mach-s3c/pm-s3c2412.c b/arch/arm/mach-s3c/pm-s3c2412.c deleted file mode 100644 index ed3b4cfc7c0f..000000000000 --- a/arch/arm/mach-s3c/pm-s3c2412.c +++ /dev/null @@ -1,126 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Copyright (c) 2006 Simtec Electronics -// Ben Dooks <ben@simtec.co.uk> -// -// http://armlinux.simtec.co.uk/. - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/timer.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/syscore_ops.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <asm/cacheflush.h> -#include <asm/irq.h> - -#include "irqs.h" -#include "regs-gpio.h" - -#include "cpu.h" -#include "pm.h" -#include "wakeup-mask.h" - -#include "regs-dsc-s3c24xx.h" -#include "s3c2412-power.h" - -extern void s3c2412_sleep_enter(void); - -static int s3c2412_cpu_suspend(unsigned long arg) -{ - unsigned long tmp; - - /* set our standby method to sleep */ - - tmp = __raw_readl(S3C2412_PWRCFG); - tmp |= S3C2412_PWRCFG_STANDBYWFI_SLEEP; - __raw_writel(tmp, S3C2412_PWRCFG); - - s3c2412_sleep_enter(); - - pr_info("Failed to suspend the system\n"); - return 1; /* Aborting suspend */ -} - -/* mapping of interrupts to parts of the wakeup mask */ -static const struct samsung_wakeup_mask wake_irqs[] = { - { .irq = IRQ_RTC, .bit = S3C2412_PWRCFG_RTC_MASKIRQ, }, -}; - -static void s3c2412_pm_prepare(void) -{ - samsung_sync_wakemask(S3C2412_PWRCFG, - wake_irqs, ARRAY_SIZE(wake_irqs)); -} - -static int s3c2412_pm_add(struct device *dev, struct subsys_interface *sif) -{ - pm_cpu_prep = s3c2412_pm_prepare; - pm_cpu_sleep = s3c2412_cpu_suspend; - - return 0; -} - -static struct sleep_save s3c2412_sleep[] = { - SAVE_ITEM(S3C2412_DSC0), - SAVE_ITEM(S3C2412_DSC1), - SAVE_ITEM(S3C2413_GPJDAT), - SAVE_ITEM(S3C2413_GPJCON), - SAVE_ITEM(S3C2413_GPJUP), - - /* save the PWRCFG to get back to original sleep method */ - - SAVE_ITEM(S3C2412_PWRCFG), - - /* save the sleep configuration anyway, just in case these - * get damaged during wakeup */ - - SAVE_ITEM(S3C2412_GPBSLPCON), - SAVE_ITEM(S3C2412_GPCSLPCON), - SAVE_ITEM(S3C2412_GPDSLPCON), - SAVE_ITEM(S3C2412_GPFSLPCON), - SAVE_ITEM(S3C2412_GPGSLPCON), - SAVE_ITEM(S3C2412_GPHSLPCON), - SAVE_ITEM(S3C2413_GPJSLPCON), -}; - -static struct subsys_interface s3c2412_pm_interface = { - .name = "s3c2412_pm", - .subsys = &s3c2412_subsys, - .add_dev = s3c2412_pm_add, -}; - -static __init int s3c2412_pm_init(void) -{ - return subsys_interface_register(&s3c2412_pm_interface); -} - -arch_initcall(s3c2412_pm_init); - -static int s3c2412_pm_suspend(void) -{ - s3c_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); - return 0; -} - -static void s3c2412_pm_resume(void) -{ - unsigned long tmp; - - tmp = __raw_readl(S3C2412_PWRCFG); - tmp &= ~S3C2412_PWRCFG_STANDBYWFI_MASK; - tmp |= S3C2412_PWRCFG_STANDBYWFI_IDLE; - __raw_writel(tmp, S3C2412_PWRCFG); - - s3c_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); -} - -struct syscore_ops s3c2412_pm_syscore_ops = { - .suspend = s3c2412_pm_suspend, - .resume = s3c2412_pm_resume, -}; |