pnx4008_wdt.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/of.h>
#include <mach/hardware.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	DEFAULT_HEARTBEAT   19
#define	MAX_HEARTBEAT   60
#define	WDTIM_INT(p)   ((p) + 0x0)
#define	WDTIM_CTRL(p)   ((p) + 0x4)
#define	WDTIM_COUNTER(p)   ((p) + 0x8)
#define	WDTIM_MCTRL(p)   ((p) + 0xC)
#define	WDTIM_MATCH0(p)   ((p) + 0x10)
#define	WDTIM_EMR(p)   ((p) + 0x14)
#define	WDTIM_PULSE(p)   ((p) + 0x18)
#define	WDTIM_RES(p)   ((p) + 0x1C)
#define	MATCH_INT   1
#define	COUNT_ENAB   1
#define	RESET_COUNT   (1 << 1)
#define	DEBUG_EN   (1 << 2)
#define	MR0_INT   1
#define	RESET_COUNT0   (1 << 2)
#define	STOP_COUNT0   (1 << 2)
#define	M_RES1   (1 << 3)
#define	M_RES2   (1 << 4)
#define	RESFRC1   (1 << 5)
#define	RESFRC2   (1 << 6)
#define	EXT_MATCH0   1
#define	MATCH_OUTPUT_HIGH   (2 << 4) /*a MATCH_CTRL setting */
#define	WDOG_RESET   1 /* read only */
#define	WDOG_COUNTER_RATE   13000000 /*the counter clock is 13 MHz fixed */

Functions
	module_platform_driver (platform_wdt_driver)
	MODULE_AUTHOR ("MontaVista Software, Inc. <source@mvista.com>")
	MODULE_AUTHOR ("Wolfram Sang <[email protected]>")
	MODULE_DESCRIPTION ("PNX4008 Watchdog Driver")
	module_param (heartbeat, uint, 0)
	MODULE_PARM_DESC (heartbeat,"Watchdog heartbeat period in seconds from 1 to "__MODULE_STRING(MAX_HEARTBEAT)", default "__MODULE_STRING(DEFAULT_HEARTBEAT))
	module_param (nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Set to 1 to keep watchdog running after device release")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)
	MODULE_ALIAS ("platform:pnx4008-watchdog")

Variables
struct clk *	wdt_clk

Macro Definition Documentation

#define COUNT_ENAB   1

Definition at line 57 of file pnx4008_wdt.c.

#define DEBUG_EN   (1 << 2)

Definition at line 59 of file pnx4008_wdt.c.

#define DEFAULT_HEARTBEAT   19

Definition at line 40 of file pnx4008_wdt.c.

#define EXT_MATCH0   1

Definition at line 72 of file pnx4008_wdt.c.

#define M_RES1   (1 << 3)

Definition at line 66 of file pnx4008_wdt.c.

#define M_RES2   (1 << 4)

Definition at line 67 of file pnx4008_wdt.c.

#define MATCH_INT   1

Definition at line 54 of file pnx4008_wdt.c.

#define MATCH_OUTPUT_HIGH   (2 << 4) /*a MATCH_CTRL setting */

Definition at line 73 of file pnx4008_wdt.c.

#define MAX_HEARTBEAT   60

Definition at line 41 of file pnx4008_wdt.c.

#define MR0_INT   1

Definition at line 62 of file pnx4008_wdt.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 20 of file pnx4008_wdt.c.

#define RESET_COUNT   (1 << 1)

Definition at line 58 of file pnx4008_wdt.c.

#define RESET_COUNT0   (1 << 2)

Definition at line 64 of file pnx4008_wdt.c.

#define RESFRC1   (1 << 5)

Definition at line 68 of file pnx4008_wdt.c.

#define RESFRC2   (1 << 6)

Definition at line 69 of file pnx4008_wdt.c.

#define STOP_COUNT0   (1 << 2)

Definition at line 65 of file pnx4008_wdt.c.

#define WDOG_COUNTER_RATE   13000000 /*the counter clock is 13 MHz fixed */

Definition at line 78 of file pnx4008_wdt.c.

#define WDOG_RESET   1 /* read only */

Definition at line 76 of file pnx4008_wdt.c.

#define WDTIM_COUNTER

(

p

)

((p) + 0x8)

Definition at line 46 of file pnx4008_wdt.c.

#define WDTIM_CTRL

(

p

)

((p) + 0x4)

Definition at line 45 of file pnx4008_wdt.c.

#define WDTIM_EMR

(

p

)

((p) + 0x14)

Definition at line 49 of file pnx4008_wdt.c.

#define WDTIM_INT

(

p

)

((p) + 0x0)

Definition at line 44 of file pnx4008_wdt.c.

#define WDTIM_MATCH0

(

p

)

((p) + 0x10)

Definition at line 48 of file pnx4008_wdt.c.

#define WDTIM_MCTRL

(

p

)

((p) + 0xC)

Definition at line 47 of file pnx4008_wdt.c.

#define WDTIM_PULSE

(

p

)

((p) + 0x18)

Definition at line 50 of file pnx4008_wdt.c.

#define WDTIM_RES

(

p

)

((p) + 0x1C)

Definition at line 51 of file pnx4008_wdt.c.

Function Documentation

MODULE_ALIAS

(

"platform:pnx4008-watchdog"

)

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_AUTHOR	(	"MontaVista	Software,
		Inc.< source @mvista.com >"
	)

MODULE_AUTHOR

(

"Wolfram Sang <[email protected]>"

)

MODULE_DESCRIPTION

(

"PNX4008 Watchdog Driver"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	heartbeat	,
		uint	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	heartbeat	,
		"Watchdog heartbeat period in seconds from 1 to "__MODULE_STRING(MAX_HEARTBEAT)"	,
		default"	__MODULE_STRINGDEFAULT_HEARTBEAT
	)

MODULE_PARM_DESC	(	nowayout	,
		"Set to 1 to keep watchdog running after device release"
	)

module_platform_driver

(

platform_wdt_driver

)

Variable Documentation

struct clk* wdt_clk

Definition at line 85 of file pnx4008_wdt.c.