at32ap700x_wdt.c File Reference

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/slab.h>

Go to the source code of this file.

Data Structures
struct	wdt_at32ap700x

Macros
#define	TIMEOUT_MIN   1
#define	TIMEOUT_MAX   2
#define	TIMEOUT_DEFAULT   TIMEOUT_MAX
#define	WDT_CTRL   0x00
#define	WDT_CTRL_EN   0
#define	WDT_CTRL_PSEL   8
#define	WDT_CTRL_KEY   24
#define	WDT_CLR   0x04
#define	WDT_RCAUSE   0x10
#define	WDT_RCAUSE_POR   0
#define	WDT_RCAUSE_EXT   2
#define	WDT_RCAUSE_WDT   3
#define	WDT_RCAUSE_JTAG   4
#define	WDT_RCAUSE_SERP   5
#define	WDT_BIT(name)   (1 << WDT_##name)
#define	WDT_BF(name, value)   ((value) << WDT_##name)
#define	wdt_readl(dev, reg)   __raw_readl((dev)->regs + WDT_##reg)
#define	wdt_writel(dev, reg, value)   __raw_writel((value), (dev)->regs + WDT_##reg)
#define	at32_wdt_suspend   NULL
#define	at32_wdt_resume   NULL

Functions
	module_param (timeout, int, 0)
	MODULE_PARM_DESC (timeout,"Timeout value. Limited to be 1 or 2 seconds. (default="__MODULE_STRING(TIMEOUT_DEFAULT)")")
	module_param (nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")")
	MODULE_ALIAS ("platform:at32_wdt")
	module_init (at32_wdt_init)
	module_exit (at32_wdt_exit)
	MODULE_AUTHOR ("Hans-Christian Egtvedt <egtvedt@samfundet.no>")
	MODULE_DESCRIPTION ("Watchdog driver for Atmel AT32AP700X")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)

Macro Definition Documentation

#define at32_wdt_resume   NULL

Definition at line 422 of file at32ap700x_wdt.c.

#define at32_wdt_suspend   NULL

Definition at line 421 of file at32ap700x_wdt.c.

#define TIMEOUT_DEFAULT   TIMEOUT_MAX

Definition at line 39 of file at32ap700x_wdt.c.

#define TIMEOUT_MAX   2

Definition at line 38 of file at32ap700x_wdt.c.

#define TIMEOUT_MIN   1

Definition at line 37 of file at32ap700x_wdt.c.

#define WDT_BF	(		name,
			value
	)		((value) << WDT_##name)

Definition at line 69 of file at32ap700x_wdt.c.

#define WDT_BIT

(

name

)

(1 << WDT_##name)

Definition at line 68 of file at32ap700x_wdt.c.

#define WDT_CLR   0x04

Definition at line 59 of file at32ap700x_wdt.c.

#define WDT_CTRL   0x00

Definition at line 54 of file at32ap700x_wdt.c.

#define WDT_CTRL_EN   0

Definition at line 55 of file at32ap700x_wdt.c.

#define WDT_CTRL_KEY   24

Definition at line 57 of file at32ap700x_wdt.c.

#define WDT_CTRL_PSEL   8

Definition at line 56 of file at32ap700x_wdt.c.

#define WDT_RCAUSE   0x10

Definition at line 61 of file at32ap700x_wdt.c.

#define WDT_RCAUSE_EXT   2

Definition at line 63 of file at32ap700x_wdt.c.

#define WDT_RCAUSE_JTAG   4

Definition at line 65 of file at32ap700x_wdt.c.

#define WDT_RCAUSE_POR   0

Definition at line 62 of file at32ap700x_wdt.c.

#define WDT_RCAUSE_SERP   5

Definition at line 66 of file at32ap700x_wdt.c.

#define WDT_RCAUSE_WDT   3

Definition at line 64 of file at32ap700x_wdt.c.

#define wdt_readl	(		dev,
			reg
	)		__raw_readl((dev)->regs + WDT_##reg)

Definition at line 71 of file at32ap700x_wdt.c.

#define wdt_writel	(		dev,
			reg,
			value
	)		__raw_writel((value), (dev)->regs + WDT_##reg)

Definition at line 73 of file at32ap700x_wdt.c.

Function Documentation

MODULE_ALIAS

(

"platform:at32_wdt"

)

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_AUTHOR

(

"Hans-Christian Egtvedt <egtvedt@samfundet.no>"

)

MODULE_DESCRIPTION

(

"Watchdog driver for Atmel AT32AP700X"

)

module_exit

(

at32_wdt_exit

)

module_init

(

at32_wdt_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	timeout	,
		int	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	timeout	,
		"Timeout value. Limited to be 1 or 2 seconds. (default="__MODULE_STRING(TIMEOUT_DEFAULT)")"
	)

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