Merge git://www.denx.de/git/u-boot-marvell

[people/ms/u-boot.git] / include / timer.h

diff --git a/include/timer.h b/include/timer.h
index 7fee17e3d24193c105f44f61ff2f099dc56811eb..dcc803c392a014ae589d6e7768fcf3b39e5d42fc 100644 (file)
--- a/include/timer.h
+++ b/include/timer.h
@@ -7,6 +7,15 @@
 #ifndef _TIMER_H_
 #define _TIMER_H_
 
+/*
+ * dm_timer_init - initialize a timer for time keeping. On success
+ * initializes gd->timer so that lib/timer can use it for future
+ * referrence.
+ *
+ * @return - 0 on success or error number
+ */
+int dm_timer_init(void);
+
 /*
  * timer_conv_64 - convert 32-bit counter value to 64-bit
  *
@@ -58,4 +67,25 @@ struct timer_dev_priv {
        unsigned long clock_rate;
 };
 
+/**
+ * timer_early_get_count() - Implement timer_get_count() before driver model
+ *
+ * If CONFIG_TIMER_EARLY is enabled, this function wil be called to return
+ * the current timer value before the proper driver model timer is ready.
+ * It should be implemented by one of the timer values. This is mostly useful
+ * for tracing.
+ */
+u64 timer_early_get_count(void);
+
+/**
+ * timer_early_get_rate() - Get the timer rate before driver model
+ *
+ * If CONFIG_TIMER_EARLY is enabled, this function wil be called to return
+ * the current timer rate in Hz before the proper driver model timer is ready.
+ * It should be implemented by one of the timer values. This is mostly useful
+ * for tracing. This corresponds to the clock_rate value in struct
+ * timer_dev_priv.
+ */
+unsigned long timer_early_get_rate(void);
+
 #endif /* _TIMER_H_ */