pnx833x_wdt.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
#include <asm/mach-pnx833x/pnx833x.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	WATCHDOG_TIMEOUT   30 /* 30 sec Maximum timeout */
#define	WATCHDOG_COUNT_FREQUENCY   68000000U /* Watchdog counts at 68MHZ. */
#define	PNX_WATCHDOG_TIMEOUT   (WATCHDOG_TIMEOUT * WATCHDOG_COUNT_FREQUENCY)
#define	PNX_TIMEOUT_VALUE   2040000000U
#define	PNX833X_CONFIG   (0x07000U)
#define	PNX833X_CONFIG_CPU_WATCHDOG   (0x54)
#define	PNX833X_CONFIG_CPU_WATCHDOG_COMPARE   (0x58)
#define	PNX833X_CONFIG_CPU_COUNTERS_CONTROL   (0x1c)
#define	PNX833X_RESET   (0x08000U)
#define	PNX833X_RESET_CONFIG   (0x08)
#define	START_DEFAULT   1

Functions
	module_param (pnx833x_wdt_timeout, int, 0)
	MODULE_PARM_DESC (timeout,"Watchdog timeout in Mhz. (68Mhz clock), default="__MODULE_STRING(PNX_TIMEOUT_VALUE)"(30 seconds).")
	module_param (nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")")
	module_param (start_enabled, int, 0)
	MODULE_PARM_DESC (start_enabled,"Watchdog is started on module insertion ""(default="__MODULE_STRING(START_DEFAULT)")")
	module_init (watchdog_init)
	module_exit (watchdog_exit)
	MODULE_AUTHOR ("Daniel Laird/Andre McCurdy")
	MODULE_DESCRIPTION ("Hardware Watchdog Device for PNX833x")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)

Macro Definition Documentation

#define PNX833X_CONFIG   (0x07000U)

CONFIG block

Definition at line 41 of file pnx833x_wdt.c.

#define PNX833X_CONFIG_CPU_COUNTERS_CONTROL   (0x1c)

Definition at line 44 of file pnx833x_wdt.c.

#define PNX833X_CONFIG_CPU_WATCHDOG   (0x54)

Definition at line 42 of file pnx833x_wdt.c.

#define PNX833X_CONFIG_CPU_WATCHDOG_COMPARE   (0x58)

Definition at line 43 of file pnx833x_wdt.c.

#define PNX833X_RESET   (0x08000U)

RESET block

Definition at line 47 of file pnx833x_wdt.c.

#define PNX833X_RESET_CONFIG   (0x08)

Definition at line 48 of file pnx833x_wdt.c.

#define PNX_TIMEOUT_VALUE   2040000000U

Definition at line 38 of file pnx833x_wdt.c.

#define PNX_WATCHDOG_TIMEOUT   (WATCHDOG_TIMEOUT * WATCHDOG_COUNT_FREQUENCY)

Definition at line 37 of file pnx833x_wdt.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 20 of file pnx833x_wdt.c.

#define START_DEFAULT   1

Definition at line 63 of file pnx833x_wdt.c.

#define WATCHDOG_COUNT_FREQUENCY   68000000U /* Watchdog counts at 68MHZ. */

Definition at line 36 of file pnx833x_wdt.c.

#define WATCHDOG_TIMEOUT   30 /* 30 sec Maximum timeout */

Definition at line 35 of file pnx833x_wdt.c.

Function Documentation

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_AUTHOR

(

"Daniel Laird/Andre McCurdy"

)

MODULE_DESCRIPTION

(

"Hardware Watchdog Device for PNX833x"

)

module_exit

(

watchdog_exit

)

module_init

(

watchdog_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	pnx833x_wdt_timeout	,
		int	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

module_param	(	start_enabled	,
		int	,
		0
	)

MODULE_PARM_DESC	(	timeout	,
		"Watchdog timeout in Mhz.	68Mhz clock
	)

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

MODULE_PARM_DESC	(	start_enabled	,
		"Watchdog is started on module insertion ""(default="__MODULE_STRING(START_DEFAULT)")"
	)