Merge branch 'master' of git://git.denx.de/u-boot
[oweals/u-boot.git] / lib / time.c
index 5ebd1be48f324f8e9f21157ddd1b38f2dc85570a..3c49243e6a1ee0f3c7f95d73e9b081581e44be36 100644 (file)
@@ -6,6 +6,9 @@
  */
 
 #include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <timer.h>
 #include <watchdog.h>
 #include <div64.h>
 #include <asm/io.h>
@@ -37,7 +40,51 @@ 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
+ulong notrace get_tbclk(void)
+{
+       if (!gd->timer) {
+#ifdef CONFIG_TIMER_EARLY
+               return timer_early_get_rate();
+#else
+               int ret;
+
+               ret = dm_timer_init();
+               if (ret)
+                       return ret;
+#endif
+       }
+
+       return timer_get_rate(gd->timer);
+}
+
+uint64_t notrace get_ticks(void)
+{
+       u64 count;
+       int ret;
+
+       if (!gd->timer) {
+#ifdef CONFIG_TIMER_EARLY
+               return timer_early_get_count();
+#else
+               int ret;
+
+               ret = dm_timer_init();
+               if (ret)
+                       return ret;
+#endif
+       }
+
+       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();
 
@@ -45,11 +92,13 @@ 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();
 
@@ -74,9 +123,9 @@ 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;
@@ -84,7 +133,7 @@ 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 */
 
@@ -105,9 +154,3 @@ void udelay(unsigned long usec)
                usec -= kv;
        } while(usec);
 }
-
-void mdelay(unsigned long msec)
-{
-       while (msec--)
-               udelay(1000);
-}