static int rt288x_wdt_start(struct watchdog_device *w) { u32 t; t = rt_wdt_r32(TIMER_REG_TMR1CTL); t &= ~(TMR1CTL_MODE_MASK << TMR1CTL_MODE_SHIFT | TMR1CTL_PRESCALE_MASK); t |= (TMR1CTL_MODE_WDT << TMR1CTL_MODE_SHIFT | TMR1CTL_PRESCALE_65536); rt_wdt_w32(TIMER_REG_TMR1CTL, t); rt288x_wdt_ping(w); t = rt_wdt_r32(TIMER_REG_TMR1CTL); t |= TMR1CTL_ENABLE; rt_wdt_w32(TIMER_REG_TMR1CTL, t); return 0; }
static int mt7621_wdt_stop(struct watchdog_device *w) { u32 t; mt7621_wdt_ping(w); t = rt_wdt_r32(TIMER_REG_TMR1CTL); t &= ~TMR1CTL_ENABLE; rt_wdt_w32(TIMER_REG_TMR1CTL, t); return 0; }
static int mt7621_wdt_start(struct watchdog_device *w) { u32 t; /* set the prescaler to 1ms == 1000us */ rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT); mt7621_wdt_set_timeout(w, w->timeout); t = rt_wdt_r32(TIMER_REG_TMR1CTL); t |= TMR1CTL_ENABLE; rt_wdt_w32(TIMER_REG_TMR1CTL, t); return 0; }