diff options
| author | Benny Loenstrup Ammitzboell <benny@ammitzboell-consult.dk> | 2010-11-11 16:08:41 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2011-01-12 10:23:25 +0000 |
| commit | 9c67bea419c384561eeb84bdf251d521a3234e45 (patch) | |
| tree | 4ed8883d2836f1baf73c16758b7aa551ba134cbe /drivers/watchdog | |
| parent | df278dac2070e677cf22c30e1c78c5a753191375 (diff) | |
watchdog: Add watchdog support for W83627DHG chip
The following adds watchdog support for the Winbond W83627DHG chip.
I have tested it on a PQ7-M102XL (Intel Atom) board.
Signed-off-by: Benny Lønstrup Ammitzbøll <benny@ammitzboell-consult.dk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/watchdog/w83627hf_wdt.c | 6 |
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index a5ad77ef4266..8a3aa2f050c8 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -722,14 +722,15 @@ config SMSC37B787_WDT Most people will say N. config W83627HF_WDT - tristate "W83627HF Watchdog Timer" + tristate "W83627HF/W83627DHG Watchdog Timer" depends on X86 ---help--- This is the driver for the hardware watchdog on the W83627HF chipset as used in Advantech PC-9578 and Tyan S2721-533 motherboards - (and likely others). This watchdog simply watches your kernel to - make sure it doesn't freeze, and if it does, it reboots your computer - after a certain amount of time. + (and likely others). The driver also supports the W83627DHG chip. + This watchdog simply watches your kernel to make sure it doesn't + freeze, and if it does, it reboots your computer after a certain + amount of time. To compile this driver as a module, choose M here: the module will be called w83627hf_wdt. diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c index 0f5288df0091..48f2e0148bb4 100644 --- a/drivers/watchdog/w83627hf_wdt.c +++ b/drivers/watchdog/w83627hf_wdt.c @@ -42,7 +42,7 @@ #include <asm/system.h> -#define WATCHDOG_NAME "w83627hf/thf/hg WDT" +#define WATCHDOG_NAME "w83627hf/thf/hg/dhg WDT" #define PFX WATCHDOG_NAME ": " #define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */ @@ -89,7 +89,7 @@ static void w83627hf_select_wd_register(void) c = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */ outb_p(0x2b, WDT_EFER); outb_p(c, WDT_EFDR); /* set GPIO3 to WDT0 */ - } else if (c == 0x88) { /* W83627EHF */ + } else if (c == 0x88 || c == 0xa0) { /* W83627EHF / W83627DHG */ outb_p(0x2d, WDT_EFER); /* select GPIO5 */ c = inb_p(WDT_EFDR) & ~0x01; /* PIN77 -> WDT0# */ outb_p(0x2d, WDT_EFER); @@ -321,7 +321,7 @@ static int __init wdt_init(void) { int ret; - printk(KERN_INFO "WDT driver for the Winbond(TM) W83627HF/THF/HG Super I/O chip initialising.\n"); + printk(KERN_INFO "WDT driver for the Winbond(TM) W83627HF/THF/HG/DHG Super I/O chip initialising.\n"); if (wdt_set_heartbeat(timeout)) { wdt_set_heartbeat(WATCHDOG_TIMEOUT); |