X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib%2Ftime.c;h=65db0f6cda29367c6f4b2eee1666a18a3d578100;hb=31f39b2f46a4ab49a38179e59dd7c468065e43e3;hp=aed1a091f27971a6aa0004b4c671f4c5c2069294;hpb=821560fd8e43eecc208c1c52ad24faadb6b52703;p=oweals%2Fu-boot.git diff --git a/lib/time.c b/lib/time.c index aed1a091f2..65db0f6cda 100644 --- a/lib/time.c +++ b/lib/time.c @@ -1,17 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2000-2009 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ */ #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 */ @@ -57,7 +60,7 @@ ulong timer_get_boot_us(void) extern unsigned long __weak timer_read_counter(void); #endif -#ifdef CONFIG_TIMER +#if CONFIG_IS_ENABLED(TIMER) ulong notrace get_tbclk(void) { if (!gd->timer) { @@ -135,12 +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(); @@ -167,7 +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); }