arc: add empty asm/processor.h to satisfy compilation of USB code

[people/ms/u-boot.git] / lib / time.c

diff --git a/lib/time.c b/lib/time.c
index 477440de16faa3319852a6119935628f63aa8531..b001745203e85c2c6f944e5d470291660eae0af6 100644 (file)
--- a/lib/time.c
+++ b/lib/time.c
@@ -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>
@@ -37,6 +40,52 @@ unsigned long notrace timer_read_counter(void)
 extern unsigned long __weak timer_read_counter(void);
 #endif
 
+#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);
+}
+
+unsigned long notrace timer_read_counter(void)
+{
+       unsigned long count;
+       int ret;
+
+       ret = dm_timer_init();
+       if (ret)
+               return ret;
+
+       ret = timer_get_count(gd->timer, &count);
+       if (ret)
+               return ret;
+
+       return count;
+}
+#endif /* CONFIG_TIMER */
+
 uint64_t __weak notrace get_ticks(void)
 {
        unsigned long now = timer_read_counter();