More iAudio M3 work. Target build compiles, but same problem regarding plugins as the simulator. Boots to the menu, but it can't be used yet because only main & remote Play button work. USB works.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16661 a1c6a512-1295-4272-9138-f99709370657

firmware/target/coldfire/iaudio/m3/usb-m3.c

@@ -0,0 +1,47 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Jens Arnold
+ *
+ * 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 <stdbool.h>
+#include "cpu.h"
+#include "system.h"
+#include "usb.h"
+
+void usb_init_device(void)
+{
+    and_l(~0x10000000, &GPIO_OUT);   /* USB enable bit */
+    or_l(0x10000000, &GPIO_ENABLE);
+    or_l(0x10000000, &GPIO_FUNCTION);
+    
+    or_l(0x00000400, &GPIO1_FUNCTION);  /* USB detect */
+}
+
+int usb_detect(void)
+{
+    return (GPIO1_READ & 0x00000400) ? USB_INSERTED : USB_EXTRACTED;
+}
+
+void usb_enable(bool on)
+{
+    if(on) {
+        or_l(0x10000000, &GPIO_OUT);
+    } else {
+        and_l(~0x10000000, &GPIO_OUT);
+    }
+}