summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c/pm-s3c2416.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-s3c/pm-s3c2416.c')
-rw-r--r--arch/arm/mach-s3c/pm-s3c2416.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/arm/mach-s3c/pm-s3c2416.c b/arch/arm/mach-s3c/pm-s3c2416.c
deleted file mode 100644
index f69ad84cf4ff..000000000000
--- a/arch/arm/mach-s3c/pm-s3c2416.c
+++ /dev/null
@@ -1,81 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (c) 2010 Samsung Electronics Co., Ltd.
-// http://www.samsung.com
-//
-// S3C2416 - PM support (Based on Ben Dooks' S3C2412 PM support)
-
-#include <linux/device.h>
-#include <linux/syscore_ops.h>
-#include <linux/io.h>
-
-#include <asm/cacheflush.h>
-
-#include "regs-s3c2443-clock.h"
-
-#include "cpu.h"
-#include "pm.h"
-
-#include "s3c2412-power.h"
-
-#ifdef CONFIG_PM_SLEEP
-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();
-
- pr_info("Failed to suspend the system\n");
- return 1; /* Aborting suspend */
-}
-
-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(__pa_symbol(s3c_cpu_resume), S3C2412_INFORM1);
-}
-
-static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif)
-{
- 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);
-#endif
-
-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,
-};