29 static void gxp_wdt_enable_reload(struct gxp_wdt *drvdata)  in gxp_wdt_enable_reload()  argument
33 	val = readb(drvdata->base + GXP_WDT_CTRL_OFS);  in gxp_wdt_enable_reload()
35 	writeb(val, drvdata->base + GXP_WDT_CTRL_OFS);  in gxp_wdt_enable_reload()
40 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_wdt_start()  local
42 	writew(SECS_TO_WDOG_TICKS(wdd->timeout), drvdata->base + GXP_WDT_CNT_OFS);  in gxp_wdt_start()
43 	gxp_wdt_enable_reload(drvdata);  in gxp_wdt_start()
49 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_wdt_stop()  local
52 	val = readb_relaxed(drvdata->base + GXP_WDT_CTRL_OFS);  in gxp_wdt_stop()
54 	writeb(val, drvdata->base + GXP_WDT_CTRL_OFS);  in gxp_wdt_stop()
61 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_wdt_set_timeout()  local
66 	writew(actual, drvdata->base + GXP_WDT_CNT_OFS);  in gxp_wdt_set_timeout()
73 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_wdt_get_timeleft()  local
74 	u32 val = readw(drvdata->base + GXP_WDT_CNT_OFS);  in gxp_wdt_get_timeleft()
81 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_wdt_ping()  local
83 	gxp_wdt_enable_reload(drvdata);  in gxp_wdt_ping()
90 	struct gxp_wdt *drvdata = watchdog_get_drvdata(wdd);  in gxp_restart()  local
92 	writew(1, drvdata->base + GXP_WDT_CNT_OFS);  in gxp_restart()
93 	gxp_wdt_enable_reload(drvdata);  in gxp_restart()
116 	struct gxp_wdt *drvdata;  in gxp_wdt_probe()  local
120 	drvdata = devm_kzalloc(dev, sizeof(struct gxp_wdt), GFP_KERNEL);  in gxp_wdt_probe()
121 	if (!drvdata)  in gxp_wdt_probe()
134 	drvdata->base = (void __iomem *)dev->platform_data;  in gxp_wdt_probe()
136 	drvdata->wdd.info = &gxp_wdt_info;  in gxp_wdt_probe()
137 	drvdata->wdd.ops = &gxp_wdt_ops;  in gxp_wdt_probe()
138 	drvdata->wdd.max_hw_heartbeat_ms = WDT_MAX_TIMEOUT_MS;  in gxp_wdt_probe()
139 	drvdata->wdd.parent = dev;  in gxp_wdt_probe()
140 	drvdata->wdd.timeout = WDT_DEFAULT_TIMEOUT;  in gxp_wdt_probe()
142 	watchdog_set_drvdata(&drvdata->wdd, drvdata);  in gxp_wdt_probe()
143 	watchdog_set_nowayout(&drvdata->wdd, WATCHDOG_NOWAYOUT);  in gxp_wdt_probe()
145 	val = readb(drvdata->base + GXP_WDT_CTRL_OFS);  in gxp_wdt_probe()
148 		set_bit(WDOG_HW_RUNNING, &drvdata->wdd.status);  in gxp_wdt_probe()
150 	watchdog_set_restart_priority(&drvdata->wdd, 128);  in gxp_wdt_probe()
152 	watchdog_stop_on_reboot(&drvdata->wdd);  in gxp_wdt_probe()
153 	err = devm_watchdog_register_device(dev, &drvdata->wdd);  in gxp_wdt_probe()