60 	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);  in bcm2835_wdt_start()  local
64 	spin_lock_irqsave(&wdt->lock, flags);  in bcm2835_wdt_start()
67 				PM_WDOG_TIME_SET), wdt->base + PM_WDOG);  in bcm2835_wdt_start()
68 	cur = readl_relaxed(wdt->base + PM_RSTC);  in bcm2835_wdt_start()
70 		  PM_RSTC_WRCFG_FULL_RESET, wdt->base + PM_RSTC);  in bcm2835_wdt_start()
72 	spin_unlock_irqrestore(&wdt->lock, flags);  in bcm2835_wdt_start()
79 	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);  in bcm2835_wdt_stop()  local
81 	writel_relaxed(PM_PASSWORD | PM_RSTC_RESET, wdt->base + PM_RSTC);  in bcm2835_wdt_stop()
94 	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);  in bcm2835_wdt_get_timeleft()  local
96 	uint32_t ret = readl_relaxed(wdt->base + PM_WDOG);  in bcm2835_wdt_get_timeleft()
125 	struct bcm2835_wdt *wdt = container_of(this, struct bcm2835_wdt,  in bcm2835_restart()  local
130 	writel_relaxed(10 | PM_PASSWORD, wdt->base + PM_WDOG);  in bcm2835_restart()
131 	val = readl_relaxed(wdt->base + PM_RSTC);  in bcm2835_restart()
134 	writel_relaxed(val, wdt->base + PM_RSTC);  in bcm2835_restart()
152 	struct bcm2835_wdt *wdt = platform_get_drvdata(pdev);  in bcm2835_power_off()  local
160 	val = readl_relaxed(wdt->base + PM_RSTS);  in bcm2835_power_off()
162 	writel_relaxed(val, wdt->base + PM_RSTS);  in bcm2835_power_off()
165 	bcm2835_restart(&wdt->restart_handler, REBOOT_HARD, NULL);  in bcm2835_power_off()
172 	struct bcm2835_wdt *wdt;  in bcm2835_wdt_probe()  local
175 	wdt = devm_kzalloc(dev, sizeof(struct bcm2835_wdt), GFP_KERNEL);  in bcm2835_wdt_probe()
176 	if (!wdt)  in bcm2835_wdt_probe()
178 	platform_set_drvdata(pdev, wdt);  in bcm2835_wdt_probe()
180 	spin_lock_init(&wdt->lock);  in bcm2835_wdt_probe()
182 	wdt->base = of_iomap(np, 0);  in bcm2835_wdt_probe()
183 	if (!wdt->base) {  in bcm2835_wdt_probe()
188 	watchdog_set_drvdata(&bcm2835_wdt_wdd, wdt);  in bcm2835_wdt_probe()
195 		iounmap(wdt->base);  in bcm2835_wdt_probe()
199 	wdt->restart_handler.notifier_call = bcm2835_restart;  in bcm2835_wdt_probe()
200 	wdt->restart_handler.priority = 128;  in bcm2835_wdt_probe()
201 	register_restart_handler(&wdt->restart_handler);  in bcm2835_wdt_probe()
211 	struct bcm2835_wdt *wdt = platform_get_drvdata(pdev);  in bcm2835_wdt_remove()  local
213 	unregister_restart_handler(&wdt->restart_handler);  in bcm2835_wdt_remove()
217 	iounmap(wdt->base);  in bcm2835_wdt_remove()