Move kernel tick initialization and handling to the target tree for ones remaining in kernel.c

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18919 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 56 insertions, 0 deletions

diff --git a/firmware/target/arm/kernel-pp.c b/firmware/target/arm/kernel-pp.c
new file mode 100644
index 0000000000..b9195844ba
--- /dev/null
+++ b/firmware/target/arm/kernel-pp.c
@@ -0,0 +1,56 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Björn Stenberg
+ *
+ * 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 "config.h"
+#include "system.h"
+#include "kernel.h"
+
+#ifndef BOOTLOADER
+void TIMER1(void)
+{
+    /* Run through the list of tick tasks (using main core) */
+    TIMER1_VAL; /* Read value to ack IRQ */
+
+    /* Run through the list of tick tasks using main CPU core - 
+       wake up the COP through its control interface to provide pulse */
+    call_tick_tasks();
+
+#if NUM_CORES > 1
+    /* Pulse the COP */
+    core_wake(COP);
+#endif /* NUM_CORES */
+}
+#endif
+
+/* Must be last function called init kernel/thread initialization */
+void tick_start(unsigned int interval_in_ms)
+{
+#ifndef BOOTLOADER
+    TIMER1_CFG = 0x0;
+    TIMER1_VAL;
+    /* enable timer */
+    TIMER1_CFG = 0xc0000000 | (interval_in_ms*1000 - 1);
+    /* unmask interrupt source */
+    CPU_INT_EN = TIMER1_MASK;
+#else
+    /* We don't enable interrupts in the bootloader */
+    (void)interval_in_ms;
+#endif
+}