From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- .../arm/plat-samsung/include/plat/watchdog-reset.h | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/arm/plat-samsung/include/plat/watchdog-reset.h (limited to 'arch/arm/plat-samsung/include/plat/watchdog-reset.h') diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h new file mode 100644 index 00000000..bc4db9b0 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h @@ -0,0 +1,46 @@ +/* arch/arm/plat-s3c/include/plat/watchdog-reset.h + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks + * + * S3C2410 - System define for arch_reset() function + * + * 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 +#include +#include + +#include +#include +#include +#include + +static inline void arch_wdt_reset(void) +{ + printk("arch_reset: attempting watchdog reset\n"); + + __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ + + if (!IS_ERR(s3c2410_wdtclk)) + clk_enable(s3c2410_wdtclk); + + /* put initial values into count and data */ + __raw_writel(0x80, S3C2410_WTCNT); + __raw_writel(0x80, S3C2410_WTDAT); + + /* set the watchdog to go and reset... */ + __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN | + S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON); + + /* wait for reset to assert... */ + mdelay(500); + + printk(KERN_ERR "Watchdog reset failed to assert reset\n"); + + /* delay to allow the serial port to show the message */ + mdelay(50); +} -- cgit