X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib%2Ftime.c;h=f37a6628d6e80d56e36d4cbaab4f0481a3a3048f;hb=3e5ce7ceeb940926518378ff31913b263d41c354;hp=c7b026498be67e28f02cf070acf73a43e3c18ad4;hpb=fccacd3b4cffb5b3d50fe5e68ceb3604138041df;p=u-boot diff --git a/lib/time.c b/lib/time.c index c7b026498b..f37a6628d6 100644 --- a/lib/time.c +++ b/lib/time.c @@ -6,14 +6,13 @@ */ #include +#include +#include +#include #include #include #include -#if CONFIG_SYS_HZ != 1000 -#warning "CONFIG_SYS_HZ must be 1000 and should not be defined by platforms" -#endif - #ifndef CONFIG_WD_PERIOD # define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default */ #endif @@ -41,7 +40,54 @@ unsigned long notrace timer_read_counter(void) extern unsigned long __weak timer_read_counter(void); #endif -unsigned long long __weak notrace get_ticks(void) +#ifdef CONFIG_TIMER +static int notrace dm_timer_init(void) +{ + struct udevice *dev; + int ret; + + if (!gd->timer) { + ret = uclass_first_device(UCLASS_TIMER, &dev); + if (ret) + return ret; + if (!dev) + return -ENODEV; + gd->timer = dev; + } + + return 0; +} + +ulong notrace get_tbclk(void) +{ + int ret; + + ret = dm_timer_init(); + if (ret) + return ret; + + return timer_get_rate(gd->timer); +} + +uint64_t notrace get_ticks(void) +{ + u64 count; + int ret; + + ret = dm_timer_init(); + if (ret) + return ret; + + ret = timer_get_count(gd->timer, &count); + if (ret) + return ret; + + return count; +} + +#else /* !CONFIG_TIMER */ + +uint64_t __weak notrace get_ticks(void) { unsigned long now = timer_read_counter(); @@ -49,11 +95,13 @@ unsigned long long __weak notrace get_ticks(void) if (now < gd->timebase_l) gd->timebase_h++; gd->timebase_l = now; - return ((unsigned long long)gd->timebase_h << 32) | gd->timebase_l; + return ((uint64_t)gd->timebase_h << 32) | gd->timebase_l; } +#endif /* CONFIG_TIMER */ + /* Returns time in milliseconds */ -static unsigned long long notrace tick_to_time(unsigned long long tick) +static uint64_t notrace tick_to_time(uint64_t tick) { ulong div = get_tbclk(); @@ -78,9 +126,9 @@ unsigned long __weak notrace timer_get_us(void) return tick_to_time(get_ticks() * 1000); } -static unsigned long long usec_to_tick(unsigned long usec) +static uint64_t usec_to_tick(unsigned long usec) { - unsigned long long tick = usec; + uint64_t tick = usec; tick *= get_tbclk(); do_div(tick, 1000000); return tick; @@ -88,7 +136,7 @@ static unsigned long long usec_to_tick(unsigned long usec) void __weak __udelay(unsigned long usec) { - unsigned long long tmp; + uint64_t tmp; tmp = get_ticks() + usec_to_tick(usec); /* get current timestamp */