rockbox/firmware/target/arm/usb-fw-pp5002.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

72 lines
2.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Jens Arnold
*
* 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 "ata.h"
#include "cpu.h"
#include "string.h"
#include "system.h"
#include "usb.h"
#include "usb-target.h"
void usb_init_device(void)
{
/* TODO: add USB init for iPod 3rd gen */
#if defined(IPOD_1G2G) || defined(IPOD_3G)
/* GPIO C bit 7 is firewire detect */
GPIOC_ENABLE |= 0x80;
GPIOC_OUTPUT_EN &= ~0x80;
#endif
}
void usb_enable(bool on)
{
/* This device specific code will eventually give way to proper USB
handling, which should be the same for all PP5002 targets. */
if (on)
{
#ifdef IPOD_ARCH
/* For iPod, we can only do one thing with USB mode atm - reboot
into the flash-based disk-mode. This does not return. */
ata_sleepnow(); /* Immediately spindown the disk. */
sleep(HZ*2);
memcpy((void *)0x40017f00, "diskmodehotstuff\1", 17);
system_reboot(); /* Reboot */
#endif
}
}
int usb_detect(void)
{
#if defined(IPOD_1G2G) || defined(IPOD_3G)
/* GPIO C bit 7 is firewire detect */
if (!(GPIOC_INPUT_VAL & 0x80))
return USB_INSERTED;
#endif
/* TODO: add USB detection for iPod 3rd gen */
return USB_EXTRACTED;
}