imx233/fuze+: huge rework

- enable MMU
-rework lcd frame buffer
- add rtc/adc/power stubs (or not)
- fix a few MMC related defines (hopefully)
- implement cache handling for DMA
- more SD work
- add keymap (based on clip)
- add virtual buttons
- update linker scripts
- big step toward apps actually compiling

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30200 a1c6a512-1295-4272-9138-f99709370657

firmware/drivers/rtc/rtc_imx233.c

@@ -0,0 +1,68 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 "system.h"
+#include "rtc.h"
+#include "timefuncs.h"
+
+void rtc_init(void)
+{
+}
+
+int rtc_read_datetime(struct tm *tm)
+{
+    (void) tm;
+    return -1;
+}
+
+int rtc_write_datetime(const struct tm *tm)
+{
+    (void) tm;
+    return -1;
+}
+
+void rtc_set_alarm(int h, int m)
+{
+    (void) h;
+    (void) m;
+}
+
+void rtc_get_alarm(int *h, int *m)
+{
+    (void) h;
+    (void) m;
+}
+
+void rtc_enable_alarm(bool enable)
+{
+    (void) enable;
+}
+
+bool rtc_check_alarm_started(bool release_alarm)
+{
+    (void) release_alarm;
+    return false;
+}
+
+bool rtc_check_alarm_flag(void)
+{
+    return false;
+}