1 files changed, 63 insertions, 0 deletions

diff --git a/firmware/target/arm/tms320dm320/kernel-mr500.c b/firmware/target/arm/tms320dm320/kernel-mr500.c
new file mode 100644
index 0000000000..be2b14b3cb
--- /dev/null
+++ b/firmware/target/arm/tms320dm320/kernel-mr500.c
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Karl Kurbjun
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "system.h"
+#include "kernel.h"
+#include "timer.h"
+#include "thread.h"
+
+extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
+
+void tick_start(unsigned int interval_in_ms)
+{
+    IO_TIMER1_TMMD = CONFIG_TIMER1_TMMD_STOP;
+    
+    /*  Setup the Prescalar (Divide by 10)
+     *  Based on linux/include/asm-arm/arch-integrator/timex.h 
+     */
+    IO_TIMER1_TMPRSCL = 0x000A;
+
+    /* Setup the Divisor */
+    IO_TIMER1_TMDIV = (TIMER_FREQ / (10*1000))*interval_in_ms;
+
+    /* Turn Timer1 to Free Run mode */
+    IO_TIMER1_TMMD = CONFIG_TIMER1_TMMD_FREE_RUN;
+
+    /* Enable the interrupt */
+    IO_INTC_EINT0 |= 1<<IRQ_TIMER1;
+}
+
+void TIMER1(void)
+{
+    int i;
+
+    /* Run through the list of tick tasks */
+    for(i = 0; i < MAX_NUM_TICK_TASKS; i++)
+    {
+        if(tick_funcs[i])
+        {
+            tick_funcs[i]();
+        }
+    }
+
+    current_tick++;
+
+    IO_INTC_IRQ0 = 1<<IRQ_TIMER1;
+}