diff options
| author | Tom Rini <trini@konsulko.com> | 2019-04-26 20:50:00 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-04-26 20:50:00 +0300 |
| commit | 07b68b7843ad1fa15d63dcd26b5ca5a053fcc27f (patch) | |
| tree | f9b57804a3f3c57efcb5a17c836396b3b04dbf5f /drivers/watchdog/wdt-uclass.c | |
| parent | 1c64692df20c1f491ea79de3a732428611bb0ba0 (diff) | |
| parent | b684d4031b38b6b6a9e22676c7c6e2770e767cc7 (diff) | |
| download | u-boot-07b68b7843ad1fa15d63dcd26b5ca5a053fcc27f.tar.xz | |
Merge git://git.denx.de/u-boot-marvell
- Add DM based generic watchdog start and reset implementation
and remove all ad-hoc implementations (Stefan)
- Move mv_sdhci to DM (Pierre)
- Misc turris_omnia updates (Pierre)
- Change openrd targets to correctly build again (size changes
and fixes to the dts targets) and bring it back into Travis
builds (Stefan)
- Add Kirkwood db-88f6281-bp board (Chris)
Diffstat (limited to 'drivers/watchdog/wdt-uclass.c')
| -rw-r--r-- | drivers/watchdog/wdt-uclass.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c index 23b7e3360d..bbfac4f0f9 100644 --- a/drivers/watchdog/wdt-uclass.c +++ b/drivers/watchdog/wdt-uclass.c @@ -10,6 +10,8 @@ #include <dm/device-internal.h> #include <dm/lists.h> +DECLARE_GLOBAL_DATA_PTR; + int wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) { const struct wdt_ops *ops = device_get_ops(dev); @@ -63,6 +65,30 @@ int wdt_expire_now(struct udevice *dev, ulong flags) return ret; } +#if defined(CONFIG_WATCHDOG) +/* + * Called by macro WATCHDOG_RESET. This function be called *very* early, + * so we need to make sure, that the watchdog driver is ready before using + * it in this function. + */ +void watchdog_reset(void) +{ + static ulong next_reset; + ulong now; + + /* Exit if GD is not ready or watchdog is not initialized yet */ + if (!gd || !(gd->flags & GD_FLG_WDT_READY)) + return; + + /* Do not reset the watchdog too often */ + now = get_timer(0); + if (now > next_reset) { + next_reset = now + 1000; /* reset every 1000ms */ + wdt_reset(gd->watchdog_dev); + } +} +#endif + static int wdt_post_bind(struct udevice *dev) { #if defined(CONFIG_NEEDS_MANUAL_RELOC) |