time: move timer APIs to include/time.h

The include/common.h is a collection of unrelated declarations,
macros, etc.

It is horrible to include such a cluttered header just for some
timer functions.  Split out timer functions into include/time.h.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/time.h b/include/time.h
new file mode 100644
index 0000000..5ed021f
--- /dev/null
+++ b/include/time.h
@@ -0,0 +1,16 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _TIME_H
+#define _TIME_H
+
+unsigned long get_timer(unsigned long base);
+
+/*
+ * Return the current value of a monotonically increasing microsecond timer.
+ * Granularity may be larger than 1us if hardware does not support this.
+ */
+unsigned long timer_get_us(void);
+
+#endif /* _TIME_H */