rockbox/firmware/drivers/m5636.c
Linus Nielsen Feltzing 5f655c93f9 Patch #5639 by Ulrich Pegelow, inits the M5636 USBOTG chip on the X5 to reduce the battery consumption.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10208 a1c6a512-1295-4272-9138-f99709370657
2006-07-13 07:40:30 +00:00

45 lines
1.6 KiB
C
Executable file

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Ulrich Pegelow
*
* 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 "system.h"
#include "kernel.h"
#include "logf.h"
#include "m5636.h"
#include "m5636-target.h"
/* Disclaimer: This code had to be developed without any documentation for the
M5636 USBOTG chip, due to the restrictive information policy of
its manufacturer.
The development is solely based on reverse engineering.
Malfunctioning (with the risk of possible damage to the
hardware) can not be fully excluded.
USE THIS CODE AT YOUR OWN RISK!
*/
/* Init: This currently just puts the M5636 into sleep mode */
void m5636_init(void)
{
m5636_device_init();
M5636_4068 |= 0x0003; /* ???? */
M5636_4068 |= 0x0080; /* ???? */
M5636_4078 |= 0x0001; /* ???? */
}