1 files changed, 60 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/timer-imx233.c b/firmware/target/arm/imx233/timer-imx233.c
new file mode 100644
index 0000000000..9721de5cd3
--- /dev/null
+++ b/firmware/target/arm/imx233/timer-imx233.c
@@ -0,0 +1,60 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by Amaury Pouly
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "kernel.h"
+#include "timrot-imx233.h"
+#include "timer.h"
+
+static long timer_cycles = 0;
+
+static void timer_fn()
+{
+    if(pfn_timer)
+        pfn_timer();
+}
+
+bool timer_set(long cycles, bool start)
+{
+    timer_stop();
+    
+    if(start && pfn_unregister)
+    {
+        pfn_unregister();
+        pfn_unregister = NULL;
+    }
+
+    timer_cycles = cycles;
+
+    return true;
+}
+
+bool timer_start(IF_COP_VOID(int core))
+{
+    imx233_setup_timer(USER_TIMER_NR, true, timer_cycles,
+        HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS, HW_TIMROT_TIMCTRL__PRESCALE_1,
+            false, &timer_fn);
+    return true;
+}
+
+void timer_stop(void)
+{
+    imx233_setup_timer(USER_TIMER_NR, false, 0, HW_TIMROT_TIMCTRL__SELECT_NEVER_TICK,
+        HW_TIMROT_TIMCTRL__PRESCALE_1, false, NULL);
+}