X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib%2Ftime.c;h=65db0f6cda29367c6f4b2eee1666a18a3d578100;hb=31f39b2f46a4ab49a38179e59dd7c468065e43e3;hp=9c55da6f1b3914adde3bf67107896a962bc29d44;hpb=c3aef9339ce0592b06c8d44cf2eaf9e6f3713e4f;p=oweals%2Fu-boot.git diff --git a/lib/time.c b/lib/time.c index 9c55da6f1b..65db0f6cda 100644 --- a/lib/time.c +++ b/lib/time.c @@ -5,12 +5,16 @@ */ #include +#include #include #include +#include +#include #include #include #include #include +#include #ifndef CONFIG_WD_PERIOD # define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default */ @@ -134,12 +138,26 @@ ulong __weak get_timer(ulong base) return tick_to_time(get_ticks()) - base; } +static uint64_t notrace tick_to_time_us(uint64_t tick) +{ + ulong div = get_tbclk() / 1000; + + tick *= CONFIG_SYS_HZ; + do_div(tick, div); + return tick; +} + +uint64_t __weak get_timer_us(uint64_t base) +{ + return tick_to_time_us(get_ticks()) - base; +} + unsigned long __weak notrace timer_get_us(void) { return tick_to_time(get_ticks() * 1000); } -static uint64_t usec_to_tick(unsigned long usec) +uint64_t usec_to_tick(unsigned long usec) { uint64_t tick = usec; tick *= get_tbclk(); @@ -166,7 +184,7 @@ void udelay(unsigned long usec) do { WATCHDOG_RESET(); kv = usec > CONFIG_WD_PERIOD ? CONFIG_WD_PERIOD : usec; - __udelay (kv); + __udelay(kv); usec -= kv; } while(usec); }