| /freebsd/sys/dev/ichwd/ |
| H A D | ichwd.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
32 * Intel ICH Watchdog Timer (WDT) driver
40 * presence of the watchdog timer from the fact that the machine has an
45 * There is one slight problem on non-ACPI or ACPI 1.x systems: we have no
52 * For details about the ICH WDT, see Intel Application Note AP-725
53 * (document no. 292273-001). The WDT is also described in the individual
55 * (document no. 252516-001) sections 9.10 and 9.11.
58 * SoC PMC support by Denir Li <denir.li@cas-well.com>
70 #include <sys/watchdog.h>
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| /freebsd/sys/contrib/device-tree/Bindings/timer/ |
| H A D | arm,twd.txt | 1 * ARM Timer Watchdog
3 ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core
4 Timer-Watchdog (aka TWD), which provides both a per-cpu local timer
5 and watchdog.
7 The TWD is usually attached to a GIC to deliver its two per-processor
10 ** Timer node required properties:
12 - compatible : Should be one of:
13 "arm,cortex-a9-twd-timer"
14 "arm,cortex-a5-twd-timer"
15 "arm,arm11mp-twd-timer"
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| H A D | ingenic,tcu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timer/ingeni
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| H A D | nvidia,tegra-timer.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/timer/nvidia,tegra-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra timer
10 - Stephen Warren <swarren@nvidia.com>
13 - if:
17 const: nvidia,tegra210-timer
25 A list of 14 interrupts; one per each timer channels 0 through 13
27 - if:
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| H A D | arm,twd-timer.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timer/arm,twd-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM Timer-Watchdog Timer
10 - Rob Herring <robh@kernel.org>
13 ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core
14 Timer-Watchdog (aka TWD), which provides both a per-cpu local timer
15 and watchdog.
17 The TWD is usually attached to a GIC to deliver its two per-processor
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| /freebsd/sys/contrib/device-tree/Bindings/watchdog/ |
| H A D | qcom-wdt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/qco
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| H A D | snps,dw-wdt.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/watchdog/snps,dw-wdt.yaml#
5 $schema: http://devicetree.org/meta-schema
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| H A D | digicolor-wdt.txt | 1 Conexant Digicolor SoCs Watchdog timer
3 The watchdog functionality in Conexant Digicolor SoCs relies on the so called
5 timer counters. The first timer (called "Timer A") is the only one that can be
6 used as watchdog.
10 - compatible : Should be "cnxt,cx92755-wdt"
11 - reg : Specifies base physical address and size of the registers
12 - clocks : phandle; specifies the clock that drives the timer
16 - timeout-sec : Contains the watchdog timeout in seconds
20 watchdog@f0000fc0 {
21 compatible = "cnxt,cx92755-wdt";
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| H A D | nuvoton,npcm-wdt.txt | 1 Nuvoton NPCM Watchdog
3 Nuvoton NPCM timer module provides five 24-bit timer counters, and a watchdog.
4 The watchdog supports a pre-timeout interrupt that fires 10ms before the
8 - compatible : "nuvoton,npcm750-wdt" for NPCM750 (Poleg), or
9 "nuvoton,wpcm450-wdt" for WPCM450 (Hermon), or
10 "nuvoton,npcm845-wdt" for NPCM845 (Arbel).
11 - reg : Offset and length of the register set for the device.
12 - interrupts : Contain the timer interrupt with flags for
16 - clocks : phandle of timer reference clock.
17 - clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx
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| H A D | xlnx,versal-wwdt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx Versal window watchdog timer controller
10 - Neeli Srinivas <srinivas.neeli@amd.com>
13 Versal watchdog intellectual property uses window watchdog mode.
14 Window watchdog timer(WWDT) contains closed(first) and open(second)
15 window with 32 bit width. Write to the watchdog timer within
22 - $ref: watchdog.yaml#
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| H A D | ti,rti-wdt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/t
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| H A D | dw_wdt.txt | 1 Synopsys Designware Watchdog Timer
5 - compatible : Should contain "snps,dw-wdt"
6 - reg : Base address and size of the watchdog timer registers.
7 - clocks : phandle + clock-specifier for the clock that drives the
8 watchdog timer.
12 - interrupts : The interrupt used for the watchdog timeout warning.
13 - resets : phandle pointing to the system reset controller with
14 line index for the watchdog.
19 compatible = "snps,dw-wdt";
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| H A D | arm,twd-wdt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/arm,twd-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM Timer-Watchdog Watchdog
10 - Rob Herring <robh@kernel.org>
13 ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core
14 Timer-Watchdog (aka TWD), which provides both a per-cpu local timer
15 and watchdog.
17 The TWD is usually attached to a GIC to deliver its two per-processor
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| H A D | sbsa-gwdt.txt | 1 * SBSA (Server Base System Architecture) Generic Watchdog
3 The SBSA Generic Watchdog Timer is used to force a reset of the system
5 watchdog timer can be found in the ARM document: ARM-DEN-0029 - Server
9 - compatible: Should at least contain "arm,sbsa-gwdt".
11 - reg: Each entry specifies the base physical address of a register frame
14 1: Watchdog control frame;
17 - interrupts: Should contain the Watchdog Signal 0 (WS0) SPI (Shared
18 Peripheral Interrupt) number of SBSA Generic Watchdog.
21 - timeout-sec: Watchdog timeout values (in seconds).
25 watchdog@2a440000 {
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| H A D | arm,sbsa-gwdt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SBSA (Server Base System Architecture) Generic Watchdog
10 - Fu Wei <fu.wei@linaro.org>
13 The SBSA Generic Watchdog Timer is used to force a reset of the system after
14 two stages of timeout have elapsed. A detailed definition of the watchdog
15 timer can be found in the ARM document: ARM-DEN-0029 - Server Base System
19 - $ref: watchdog.yaml#
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| H A D | cdns,wdt-r1p2.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/cdns,wdt-r1p2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Cadence watchdog timer controller
10 - Neeli Srinivas <srinivas.neeli@amd.com>
13 The cadence watchdog timer is used to detect and recover from
14 system malfunctions. This watchdog contains 24 bit counter and
19 - $ref: watchdog.yaml#
24 - cdns,wdt-r1p2
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| /freebsd/sys/contrib/device-tree/Bindings/mfd/ |
| H A D | brcm,twd.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom's Timer-Watchdog (aka TWD)
10 - Rafał Miłecki <rafal@milecki.pl>
13 Broadcom has a Timer-Watchdog block used in multiple SoCs (e.g., BCM4908,
15 registers layout). This block consists of: timers, watchdog and optionally a
21 - enum:
22 - brcm,bcm4908-twd
23 - brcm,bcm7038-twd
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| /freebsd/share/man/man4/man4.arm/ |
| H A D | imx_wdog.4 | 31 .Nd device driver for the NXP i.MX5 and i.MX6 watchdog timer
36 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
50 .Xr watchdog 4
51 support for the watchdog timer present on NXP i.MX5 and i.MX6 processors.
52 The i.MX watchdog hardware supports programmable timeouts ranging from
53 0.5 to 128 seconds, in half-second increments.
54 Once activated, the watchdog hardware cannot be deactivated, but the
55 timeout period can be changed to any valid non-zero value.
57 At power-on, a special 16-second
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| /freebsd/sys/dev/viawd/ |
| H A D | viawd.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
38 #include <sys/watchdog.h>
45 #define viawd_read_4(sc, off) bus_read_4((sc)->wd_res, (off))
47 bus_write_4((sc)->wd_res, (off), (val))
50 { DEVICEID_VT8251, "VIA VT8251 watchdog timer" },
51 { DEVICEID_CX700, "VIA CX700 watchdog timer" },
52 { DEVICEID_VX800, "VIA VX800 watchdog timer" },
53 { DEVICEID_VX855, "VIA VX855 watchdog timer" },
54 { DEVICEID_VX900, "VIA VX900 watchdog timer" },
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| /freebsd/share/man/man4/ |
| H A D | wbwd.4 | 1 .\"-
31 .Nd device driver for Winbond/Nuvoton Super I/O chips watchdog timer
35 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
50 .Xr watchdog 4
51 support for the watchdog interrupt timer present on at least the following
53 .Bl -bullet -compact
77 Winbond 83627DHG-P
79 Winbond 83667HG-B
99 .Bl -tag -width "xxxxxx"
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| H A D | viawd.4 | 1 .\"-
31 .Nd device driver for VIA south bridge watchdog timer
36 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
50 .Xr watchdog 4
51 support for the watchdog interrupt timer present on
54 The VIA south bridge have a built-in watchdog timer,
60 driver when unloaded with running watchdog will reschedule the watchdog
63 .Xr watchdog 4 ,
64 .Xr watchdog 8 ,
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| H A D | wdatwd.4 | 1 .\"-
30 .Nd device driver for the ACPI WDAT based watchdog interrupt timer
35 .Bd -ragged -offset indent
42 .Bd -literal -offset indent
49 .Xr watchdog 4
50 support for the watchdog interrupt timer in ACPI WDAT (Watchdog Action Table).
56 The following read-only
59 .Bl -tag -width indent
61 The status of the watchdog timer. 0 if not running, or 1 if running.
63 The current value of the watchdog timeout in millisecond.
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| H A D | ichwd.4 | 1 .\"-
2 .\" Copyright (c) 2007 Dag-Erling Smørgrav
31 .Nd device driver for the Intel ICH watchdog interrupt timer
36 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
50 .Xr watchdog 4
51 support for the watchdog interrupt timer present on
56 Supported watchdog intervals range from 2 to 63 ticks.
58 Note that on some ICH-based systems, the WDT may be present but
65 .Xr watchdog 4 ,
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| /freebsd/sys/dev/amdsbwd/ |
| H A D | amdsbwd.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
30 * This is a driver for watchdog timer present in AMD SB600/SB7xx/SB8xx
34 * - AMD SB600 Register Reference Guide, Public Version, Rev. 3.03 (SB600 RRG)
35 * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/46155_sb600_rrg_pub_3.03.pdf
36 * - AM
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| /freebsd/libexec/rc/rc.d/ |
| H A D | watchdogd | 36 desc="Watchdog daemon"
43 watchdog_command="/usr/sbin/watchdog"
47 if [ -n "${watchdogd_timeout}" ] ; then
48 rc_flags="${rc_flags} -t ${watchdogd_timeout}"
50 if [ -n "$watchdogd_shutdown_timeout" ] ; then
51 rc_flags="${rc_flags} -x ${watchdogd_shutdown_timeout}"
58 sig_stop="${watchdogd_sig_stop:-TERM}"
63 if [ ${watchdogd_shutdown_timeout:-0} -gt 0 ] ; then
66 info "watchdog timer is set to" \
71 info "watchdog timer is disabled before going to" \
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