4  * SPDX-License-Identifier: Apache-2.0
65 	 ((const struct wdt_sifive_device_config *const)(dev)->config)->regs)
77 	t = wdt->wdogcfg;  in wdt_sifive_set_max_timeout()
80 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_set_max_timeout()
81 	wdt->wdogcfg = t;  in wdt_sifive_set_max_timeout()
82 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_set_max_timeout()
83 	wdt->wdogcmp0 = WDOGCMP_MAX;  in wdt_sifive_set_max_timeout()
89 	struct wdt_sifive_dev_data *data = dev->data;  in wdt_sifive_isr()
94 	t = wdt->wdogcfg;  in wdt_sifive_isr()
97 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_isr()
98 	wdt->wdogcfg = t;  in wdt_sifive_isr()
100 	if (data->enable_cb && data->cb) {  in wdt_sifive_isr()
101 		data->enable_cb = false;  in wdt_sifive_isr()
102 		data->cb(dev, 0);  in wdt_sifive_isr()
108 	struct wdt_sifive_dev_data *data = dev->data;  in wdt_sifive_disable()
112 	data->enable_cb = false;  in wdt_sifive_disable()
120 	struct wdt_sifive_dev_data *data = dev->data;  in wdt_sifive_setup()
121 	uint32_t t, mode;  in wdt_sifive_setup()  local
123 	if (!data->timeout_valid) {  in wdt_sifive_setup()
125 		return -EINVAL;  in wdt_sifive_setup()
128 	mode = WDOGCFG_ENALWAYS;  in wdt_sifive_setup()
131 		mode = WDOGCFG_COREAWAKE;  in wdt_sifive_setup()
135 		mode = WDOGCFG_COREAWAKE;  in wdt_sifive_setup()
138 	t = wdt->wdogcfg;  in wdt_sifive_setup()
140 	t |= mode;  in wdt_sifive_setup()
142 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_setup()
143 	wdt->wdogcfg = t;  in wdt_sifive_setup()
189 	struct wdt_sifive_dev_data *data = dev->data;  in wdt_sifive_install_timeout()
190 	uint32_t mode = 0, t;  in wdt_sifive_install_timeout()  local
193 	if (data->timeout_valid) {  in wdt_sifive_install_timeout()
195 		return -ENOMEM;  in wdt_sifive_install_timeout()
197 	if (cfg->window.min != 0U || cfg->window.max == 0U) {  in wdt_sifive_install_timeout()
198 		return -EINVAL;  in wdt_sifive_install_timeout()
202 	 * Freedom watchdog does not support window timeout config.  in wdt_sifive_install_timeout()
203 	 * So use max field of window.  in wdt_sifive_install_timeout()
205 	cmp = wdt_sifive_convtime(cfg->window.max, WDOG_CLK, &scaler);  in wdt_sifive_install_timeout()
208 		return -EINVAL;  in wdt_sifive_install_timeout()
211 	switch (cfg->flags) {  in wdt_sifive_install_timeout()
214 		mode = WDOGCFG_RSTEN | WDOGCFG_ZEROCMP;  in wdt_sifive_install_timeout()
218 		mode = WDOGCFG_ZEROCMP;  in wdt_sifive_install_timeout()
225 		return -ENOTSUP;  in wdt_sifive_install_timeout()
228 	t = wdt->wdogcfg;  in wdt_sifive_install_timeout()
230 	t |= mode | scaler;  in wdt_sifive_install_timeout()
232 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_install_timeout()
233 	wdt->wdogcfg = t;  in wdt_sifive_install_timeout()
234 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_install_timeout()
235 	wdt->wdogcmp0 = cmp;  in wdt_sifive_install_timeout()
237 	data->cb = cfg->callback;  in wdt_sifive_install_timeout()
238 	data->enable_cb = true;  in wdt_sifive_install_timeout()
239 	data->timeout_valid = true;  in wdt_sifive_install_timeout()
248 	wdt->wdogkey = WDOG_KEY;  in wdt_sifive_feed()
249 	wdt->wdogfeed = WDOG_FEED;  in wdt_sifive_feed()