diff options
Diffstat (limited to 'lib/time.c')
-rw-r--r-- | lib/time.c | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -47,12 +47,15 @@ ulong timer_get_boot_us(void) { ulong count = timer_read_counter(); -#if CONFIG_SYS_TIMER_RATE == 1000000 - return count; -#elif CONFIG_SYS_TIMER_RATE > 1000000 - return lldiv(count, CONFIG_SYS_TIMER_RATE / 1000000); -#elif defined(CONFIG_SYS_TIMER_RATE) - return (unsigned long long)count * 1000000 / CONFIG_SYS_TIMER_RATE; +#ifdef CONFIG_SYS_TIMER_RATE + const ulong timer_rate = CONFIG_SYS_TIMER_RATE; + + if (timer_rate == 1000000) + return count; + else if (timer_rate > 1000000) + return lldiv(count, timer_rate / 1000000); + else + return (unsigned long long)count * 1000000 / timer_rate; #else /* Assume the counter is in microseconds */ return count; |