txx9wdt.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <asm/txx9tmr.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	WD_TIMER_CCD   7 /* 1/256 */
#define	WD_TIMER_CLK   (clk_get_rate(txx9_imclk) / (2 << WD_TIMER_CCD))
#define	WD_MAX_TIMEOUT   ((0xffffffff >> (32 - TXX9_TIMER_BITS)) / WD_TIMER_CLK)
#define	TIMER_MARGIN   60 /* Default is 60 seconds */

Functions
	module_param (timeout, uint, 0)
	MODULE_PARM_DESC (timeout,"Watchdog timeout in seconds. ""(0<timeout<((2^"__MODULE_STRING(TXX9_TIMER_BITS)")/(IMCLK/256)), ""default="__MODULE_STRING(TIMER_MARGIN)")")
	module_param (nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started ""(default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")")
	module_init (watchdog_init)
	module_exit (watchdog_exit)
	MODULE_DESCRIPTION ("TXx9 Watchdog Driver")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)
	MODULE_ALIAS ("platform:txx9wdt")

Macro Definition Documentation

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 11 of file txx9wdt.c.

#define TIMER_MARGIN   60 /* Default is 60 seconds */

Definition at line 28 of file txx9wdt.c.

#define WD_MAX_TIMEOUT   ((0xffffffff >> (32 - TXX9_TIMER_BITS)) / WD_TIMER_CLK)

Definition at line 27 of file txx9wdt.c.

#define WD_TIMER_CCD   7 /* 1/256 */

Definition at line 25 of file txx9wdt.c.

#define WD_TIMER_CLK   (clk_get_rate(txx9_imclk) / (2 << WD_TIMER_CCD))

Definition at line 26 of file txx9wdt.c.

Function Documentation

MODULE_ALIAS

(

"platform:txx9wdt"

)

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_DESCRIPTION

(

"TXx9 Watchdog Driver"

)

module_exit

(

watchdog_exit

)

module_init

(

watchdog_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	timeout	,
		uint	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	timeout	,
		"Watchdog timeout in seconds. ""(0<timeout<((2^"__MODULE_STRING(TXX9_TIMER_BITS)")/(IMCLK/256)), ""default="__MODULE_STRING(TIMER_MARGIN)")"
	)

MODULE_PARM_DESC	(	nowayout	,
		"Watchdog cannot be stopped once started ""(default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")"
	)