Linux Kernel
3.7.1
|
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/timer.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/fs.h>
#include <linux/ioport.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/io.h>
#include <linux/uaccess.h>
Go to the source code of this file.
Macros | |
#define | pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
#define | WDT_INTERVAL (HZ/4+1) |
#define | WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */ |
#define | MMCR_BASE 0xfffef000 /* The default base address */ |
#define | OFFS_WDTMRCTL 0xCB0 /* Watchdog Timer Control Register */ |
#define | WDT_EXP_SEL_01 0x0001 /* [01] Time-out = 496 us (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_02 0x0002 /* [02] Time-out = 508 ms (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_03 0x0004 /* [03] Time-out = 1.02 s (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_04 0x0008 /* [04] Time-out = 2.03 s (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_05 0x0010 /* [05] Time-out = 4.07 s (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_06 0x0020 /* [06] Time-out = 8.13 s (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_07 0x0040 /* [07] Time-out = 16.27s (with 33 Mhz clk). */ |
#define | WDT_EXP_SEL_08 0x0080 /* [08] Time-out = 32.54s (with 33 Mhz clk). */ |
#define | WDT_IRQ_FLG 0x1000 /* [12] Interrupt Request Flag */ |
#define | WDT_WRST_ENB 0x4000 /* [14] Watchdog Timer Reset Enable */ |
#define | WDT_ENB 0x8000 /* [15] Watchdog Timer Enable */ |
Functions | |
module_param (timeout, int, 0) | |
MODULE_PARM_DESC (timeout,"Watchdog timeout in seconds. (1 <= timeout <= 3600, default="__MODULE_STRING(WATCHDOG_TIMEOUT)")") | |
module_param (nowayout, bool, 0) | |
MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")") | |
module_init (sc520_wdt_init) | |
module_exit (sc520_wdt_unload) | |
MODULE_AUTHOR ("Scott and Bill Jennings") | |
MODULE_DESCRIPTION ("Driver for watchdog timer in AMD \"Elan\" SC520 uProcessor") | |
MODULE_LICENSE ("GPL") | |
MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR) | |
#define MMCR_BASE 0xfffef000 /* The default base address */ |
Definition at line 108 of file sc520_wdt.c.
#define OFFS_WDTMRCTL 0xCB0 /* Watchdog Timer Control Register */ |
Definition at line 109 of file sc520_wdt.c.
Definition at line 55 of file sc520_wdt.c.
Definition at line 91 of file sc520_wdt.c.
#define WDT_ENB 0x8000 /* [15] Watchdog Timer Enable */ |
Definition at line 122 of file sc520_wdt.c.
#define WDT_EXP_SEL_01 0x0001 /* [01] Time-out = 496 us (with 33 Mhz clk). */ |
Definition at line 112 of file sc520_wdt.c.
#define WDT_EXP_SEL_02 0x0002 /* [02] Time-out = 508 ms (with 33 Mhz clk). */ |
Definition at line 113 of file sc520_wdt.c.
#define WDT_EXP_SEL_03 0x0004 /* [03] Time-out = 1.02 s (with 33 Mhz clk). */ |
Definition at line 114 of file sc520_wdt.c.
#define WDT_EXP_SEL_04 0x0008 /* [04] Time-out = 2.03 s (with 33 Mhz clk). */ |
Definition at line 115 of file sc520_wdt.c.
#define WDT_EXP_SEL_05 0x0010 /* [05] Time-out = 4.07 s (with 33 Mhz clk). */ |
Definition at line 116 of file sc520_wdt.c.
#define WDT_EXP_SEL_06 0x0020 /* [06] Time-out = 8.13 s (with 33 Mhz clk). */ |
Definition at line 117 of file sc520_wdt.c.
#define WDT_EXP_SEL_07 0x0040 /* [07] Time-out = 16.27s (with 33 Mhz clk). */ |
Definition at line 118 of file sc520_wdt.c.
#define WDT_EXP_SEL_08 0x0080 /* [08] Time-out = 32.54s (with 33 Mhz clk). */ |
Definition at line 119 of file sc520_wdt.c.
#define WDT_INTERVAL (HZ/4+1) |
Definition at line 83 of file sc520_wdt.c.
#define WDT_IRQ_FLG 0x1000 /* [12] Interrupt Request Flag */ |
Definition at line 120 of file sc520_wdt.c.
#define WDT_WRST_ENB 0x4000 /* [14] Watchdog Timer Reset Enable */ |
Definition at line 121 of file sc520_wdt.c.
MODULE_ALIAS_MISCDEV | ( | WATCHDOG_MINOR | ) |
MODULE_AUTHOR | ( | "Scott and Bill Jennings" | ) |
module_exit | ( | sc520_wdt_unload | ) |
module_init | ( | sc520_wdt_init | ) |
MODULE_LICENSE | ( | "GPL" | ) |
module_param | ( | nowayout | , |
bool | , | ||
0 | |||
) |
MODULE_PARM_DESC | ( | timeout | , |
"Watchdog timeout in seconds. (1 <= timeout <= 3600, default="__MODULE_STRING(WATCHDOG_TIMEOUT)")" | |||
) |
MODULE_PARM_DESC | ( | nowayout | , |
"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")" | |||
) |