1 files changed, 48 insertions, 0 deletions
diff --git a/plat/gxb/include/timer.h b/plat/gxb/include/timer.h
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+++ b/plat/gxb/include/timer.h
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+
+/*
+ *
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#ifndef __TIMER_H
+#define __TIMER_H
+
+#include <stdint.h>
+
+/**
+ * Get the current timestamp from the system timer.
+ */
+uint32_t get_time(void);
+
+/**
+ * Busy-wait.
+ *
+ * @param us            Number of microseconds to delay.
+ */
+void _udelay(unsigned int us);
+
+/**
+ * time counter
+ * usage:
+ *     timer_start();
+ *     func(); //func that you want measure time consumption
+ *     timer_end("func"); //will print "func Time: xxxx us"
+ */
+void timer_start(void);
+void timer_end(const char * name);
+
+#endif /* __TIMER_H */