diff options
| -rw-r--r-- | firmware/target/arm/imx233/timrot-imx233.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/firmware/target/arm/imx233/timrot-imx233.c b/firmware/target/arm/imx233/timrot-imx233.c index 0ba86c755d..22f9853051 100644 --- a/firmware/target/arm/imx233/timrot-imx233.c +++ b/firmware/target/arm/imx233/timrot-imx233.c @@ -45,12 +45,17 @@ void imx233_timrot_setup(unsigned timer_nr, bool reload, unsigned count, bool irq = fn != NULL; timer_fns[timer_nr] = fn; - /* manual says count - 1 for reload timers */ - HW_TIMROT_TIMCTRLn(timer_nr) = BF_OR7(TIMROT_TIMCTRLn, SELECT(src), + /* make sure we start from stop state */ + HW_TIMROT_TIMCTRLn(timer_nr) = BF_OR2(TIMROT_TIMCTRLn, + SELECT(BV_TIMROT_TIMCTRLn_SELECT__NEVER_TICK), UPDATE(1)); + /* write count and take effect immediately with UPDATE + * manual says count-1 for reload timers */ + HW_TIMROT_TIMCOUNTn(timer_nr) = reload ? count - 1 : count; + /* start timer */ + HW_TIMROT_TIMCTRLn(timer_nr) = BF_OR6(TIMROT_TIMCTRLn, SELECT(src), PRESCALE(prescale), POLARITY(polarity), RELOAD(reload), IRQ(irq), - IRQ_EN(irq), UPDATE(1)); + IRQ_EN(irq)); imx233_icoll_enable_interrupt(INT_SRC_TIMER(timer_nr), irq); - HW_TIMROT_TIMCOUNTn(timer_nr) = reload ? count - 1 : count; restore_interrupt(oldstatus); } |