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;
}
static int mt7621_wdt_set_timeout(struct watchdog_device *w, unsigned int t)
{
w->timeout = t;
rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000);
mt7621_wdt_ping(w);
return 0;
}
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_ping(struct watchdog_device *w)
{
rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART);
return 0;
}
static int rt288x_wdt_ping(struct watchdog_device *w)
{
rt_wdt_w32(TIMER_REG_TMR1LOAD, w->timeout * rt288x_wdt_freq);
return 0;
}
