diff --git a/sys/arm/ti/am335x/am335x_dmtimer.c b/sys/arm/ti/am335x/am335x_dmtimer.c index dd286cfb68c3..9d28565fa1f3 100644 --- a/sys/arm/ti/am335x/am335x_dmtimer.c +++ b/sys/arm/ti/am335x/am335x_dmtimer.c @@ -38,6 +38,10 @@ __FBSDID("$FreeBSD$"); #include #include +#ifdef MULTIDELAY +#include /* For arm_set_delay */ +#endif + #include #include #include @@ -67,6 +71,8 @@ struct am335x_dmtimer_softc { static struct am335x_dmtimer_softc *am335x_dmtimer_et_sc = NULL; static struct am335x_dmtimer_softc *am335x_dmtimer_tc_sc = NULL; +static void am335x_dmtimer_delay(int, void *); + /* * We use dmtimer2 for eventtimer and dmtimer3 for timecounter. */ @@ -235,6 +241,10 @@ am335x_dmtimer_tc_init(struct am335x_dmtimer_softc *sc) am335x_dmtimer_tc_sc = sc; tc_init(&sc->func.tc); +#ifdef MULTIDELAY + arm_set_delay(am335x_dmtimer_delay, sc); +#endif + return (0); } @@ -328,23 +338,13 @@ static devclass_t am335x_dmtimer_devclass; DRIVER_MODULE(am335x_dmtimer, simplebus, am335x_dmtimer_driver, am335x_dmtimer_devclass, 0, 0); MODULE_DEPEND(am335x_dmtimer, am335x_prcm, 1, 1, 1); -void -DELAY(int usec) +static void +am335x_dmtimer_delay(int usec, void *arg) { - struct am335x_dmtimer_softc *sc; + struct am335x_dmtimer_softc *sc = arg; int32_t counts; uint32_t first, last; - sc = am335x_dmtimer_tc_sc; - - if (sc == NULL) { - for (; usec > 0; usec--) - for (counts = 200; counts > 0; counts--) - /* Prevent gcc from optimizing out the loop */ - cpufunc_nullop(); - return; - } - /* Get the number of times to count */ counts = (usec + 1) * (sc->sysclk_freq / 1000000); @@ -361,3 +361,19 @@ DELAY(int usec) } } +#ifndef MULTIDELAY +void +DELAY(int usec) +{ + int32_t counts; + + if (am335x_dmtimer_tc_sc == NULL) { + for (; usec > 0; usec--) + for (counts = 200; counts > 0; counts--) + /* Prevent gcc from optimizing out the loop */ + cpufunc_nullop(); + return; + } else + am335x_dmtimer_delay(usec, am335x_dmtimer_tc_sc); +} +#endif diff --git a/sys/arm/ti/ti_machdep.c b/sys/arm/ti/ti_machdep.c index 0e10f765ff15..f9d83890ba86 100644 --- a/sys/arm/ti/ti_machdep.c +++ b/sys/arm/ti/ti_machdep.c @@ -124,5 +124,5 @@ static platform_method_t am335x_methods[] = { PLATFORMMETHOD_END, }; -FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am335x", 0); +FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am335x", 200); #endif