115 static void atmel_wdt_write_sleep(struct atmel_wdt *wdt, uint32_t reg,  in atmel_wdt_write_sleep()  argument
120 	io_write32(wdt->base + reg, val);  in atmel_wdt_write_sleep()
126 	struct atmel_wdt *wdt = container_of(chip, struct atmel_wdt, chip);  in atmel_wdt_settimeout()  local
128 	if (wdt->type == WDT_TYPE_WDT) {  in atmel_wdt_settimeout()
129 		wdt->mr &= ~WDT_MR_WDV;  in atmel_wdt_settimeout()
130 		wdt->mr |= WDT_MR_WDV_SET(SEC_TO_WDT(timeout));  in atmel_wdt_settimeout()
133 		if (WDT_ENABLED(wdt->mr, wdt->dis_mask))  in atmel_wdt_settimeout()
134 			atmel_wdt_write_sleep(wdt, WDT_MR, wdt->mr);  in atmel_wdt_settimeout()
136 		io_write32(wdt->base + WDT_WL,  in atmel_wdt_settimeout()
145 	struct atmel_wdt *wdt = container_of(chip, struct atmel_wdt, chip);  in atmel_wdt_ping()  local
147 	atmel_wdt_write_sleep(wdt, WDT_CR, WDT_CR_KEY | WDT_CR_WDRSTT);  in atmel_wdt_ping()
150 static void atmel_wdt_start(struct atmel_wdt *wdt)  in atmel_wdt_start()  argument
152 	wdt->mr &= ~wdt->dis_mask;  in atmel_wdt_start()
153 	atmel_wdt_write_sleep(wdt, WDT_MR, wdt->mr);  in atmel_wdt_start()
158 	struct atmel_wdt *wdt = container_of(chip, struct atmel_wdt, chip);  in atmel_wdt_enable()  local
160 	wdt->enabled = true;  in atmel_wdt_enable()
161 	atmel_wdt_start(wdt);  in atmel_wdt_enable()
164 static void atmel_wdt_stop(struct atmel_wdt *wdt)  in atmel_wdt_stop()  argument
166 	wdt->mr |= wdt->dis_mask;  in atmel_wdt_stop()
167 	atmel_wdt_write_sleep(wdt, WDT_MR, wdt->mr);  in atmel_wdt_stop()
172 	struct atmel_wdt *wdt = container_of(chip, struct atmel_wdt, chip);  in atmel_wdt_disable()  local
174 	wdt->enabled = false;  in atmel_wdt_disable()
175 	atmel_wdt_stop(wdt);  in atmel_wdt_disable()
180 	struct atmel_wdt *wdt = h->data;  in atmel_wdt_itr_cb()  local
183 	if (wdt->type == WDT_TYPE_WDT) {  in atmel_wdt_itr_cb()
184 		sr = io_read32(wdt->base + WDT_SR);  in atmel_wdt_itr_cb()
190 	} else if (wdt->type == WDT_TYPE_DWDT) {  in atmel_wdt_itr_cb()
191 		sr = io_read32(wdt->base + WDT_ISR);  in atmel_wdt_itr_cb()
228 static void atmel_wdt_init_hw(struct atmel_wdt *wdt)  in atmel_wdt_init_hw()  argument
237 	if (!WDT_ENABLED(wdt->mr, wdt->dis_mask)) {  in atmel_wdt_init_hw()
238 		mr = io_read32(wdt->base + WDT_MR);  in atmel_wdt_init_hw()
239 		if (WDT_ENABLED(mr, wdt->dis_mask))  in atmel_wdt_init_hw()
240 			io_write32(wdt->base + WDT_MR, mr | wdt->dis_mask);  in atmel_wdt_init_hw()
243 	if (wdt->type == WDT_TYPE_WDT) {  in atmel_wdt_init_hw()
245 		wdt->mr |= WDT_MR_WDFIEN | WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT;  in atmel_wdt_init_hw()
247 		wdt->mr |= WDT_MR_WDRSTEN;  in atmel_wdt_init_hw()
248 		wdt->mr |= WDT_MR_WDD_SET(SEC_TO_WDT(WDT_MAX_TIMEOUT));  in atmel_wdt_init_hw()
249 		wdt->mr |= WDT_MR_WDV_SET(SEC_TO_WDT(WDT_DEFAULT_TIMEOUT));  in atmel_wdt_init_hw()
250 	} else if (wdt->type == WDT_TYPE_DWDT) {  in atmel_wdt_init_hw()
252 		io_write32(wdt->base + WDT_ISR, WDT_PERINT);  in atmel_wdt_init_hw()
254 		wdt->mr |= WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT;  in atmel_wdt_init_hw()
256 		wdt->mr |= WDT_MR_PERIODRST;  in atmel_wdt_init_hw()
257 		io_write32(wdt->base + WDT_WL,  in atmel_wdt_init_hw()
268 	if (WDT_ENABLED(wdt->mr, wdt->dis_mask))  in atmel_wdt_init_hw()
269 		io_write32(wdt->base + WDT_MR, wdt->mr);  in atmel_wdt_init_hw()
276 	struct atmel_wdt *wdt = hdl->handle;  in atmel_wdt_pm()  local
280 		atmel_wdt_init_hw(wdt);  in atmel_wdt_pm()
281 		if (wdt->enabled)  in atmel_wdt_pm()
282 			atmel_wdt_start(wdt);  in atmel_wdt_pm()
285 		if (wdt->enabled)  in atmel_wdt_pm()
286 			atmel_wdt_stop(wdt);  in atmel_wdt_pm()
295 static void atmel_wdt_register_pm(struct atmel_wdt *wdt)  in atmel_wdt_register_pm()  argument
297 	register_pm_driver_cb(atmel_wdt_pm, wdt, "atmel_wdt");  in atmel_wdt_register_pm()
300 static void atmel_wdt_register_pm(struct atmel_wdt *wdt __unused)  in atmel_wdt_register_pm()
310 	struct atmel_wdt *wdt;  in wdt_node_probe()  local
323 	wdt = calloc(1, sizeof(*wdt));  in wdt_node_probe()
324 	if (!wdt)  in wdt_node_probe()
327 	wdt->chip.ops = &atmel_wdt_ops;  in wdt_node_probe()
328 	wdt->type = compat->type;  in wdt_node_probe()
329 	wdt->dis_mask = compat->dis_mask;  in wdt_node_probe()
336 					       it, atmel_wdt_itr_cb, 0, wdt,  in wdt_node_probe()
341 	if (dt_map_dev(fdt, node, &wdt->base, &size, DT_MAP_AUTO) < 0)  in wdt_node_probe()
345 	wdt->mr = io_read32(wdt->base + WDT_MR) & wdt->dis_mask;  in wdt_node_probe()
347 	atmel_wdt_init_hw(wdt);  in wdt_node_probe()
350 	res = watchdog_register(&wdt->chip);  in wdt_node_probe()
354 	atmel_wdt_register_pm(wdt);  in wdt_node_probe()
360 	core_mmu_remove_mapping(MEM_AREA_IO_SEC, (void *)wdt->base, size);  in wdt_node_probe()
364 	free(wdt);  in wdt_node_probe()