rockbox/firmware/target/arm/usb-fw-pp502x.c
Björn Stenberg 482e839ea9 Enable usbstack on ipods.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15772 a1c6a512-1295-4272-9138-f99709370657
2007-11-23 09:58:47 +00:00

89 lines
2.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* iPod driver based on code from the ipodlinux project - http://ipodlinux.org
* Adapted for Rockbox in January 2006
* Original file: podzilla/usb.c
* Copyright (C) 2005 Adam Johnston
*
* 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 "system.h"
#include "usb.h"
#include "button.h"
#include "ata.h"
#include "string.h"
#include "usb_core.h"
#include "usb_drv.h"
void usb_init_device(void)
{
/* enable usb module */
GPO32_ENABLE |= 0x200;
outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
DEV_EN |= DEV_USB;
DEV_RS |= DEV_USB; /* reset usb start */
DEV_RS &=~DEV_USB;/* reset usb end */
DEV_INIT2 |= INIT_USB;
while ((inl(0x70000028) & 0x80) == 0);
outl(inl(0x70000028) | 0x2, 0x70000028);
udelay(0x186A0);
#if defined(IPOD_COLOR) || defined(IPOD_4G) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
/* GPIO C bit 1 is firewire detect */
GPIOC_ENABLE |= 0x02;
GPIOC_OUTPUT_EN &= ~0x02;
#endif
}
void usb_enable(bool on)
{
if (on)
usb_core_init();
else
usb_core_exit();
}
int usb_detect(void)
{
#if defined(IPOD_COLOR) || defined(IPOD_4G) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
/* GPIO C bit 1 is firewire detect */
if (!(GPIOC_INPUT_VAL & 0x02))
return USB_INSERTED;
#elif defined(SANSA_C200)
/* GPIO H bit 1 is usb detect */
if (GPIOH_INPUT_VAL & 0x02)
return USB_INSERTED;
#elif defined(SANSA_E200)
/* GPIO B bit 4 is usb detect */
if (GPIOB_INPUT_VAL & 0x10)
return USB_INSERTED;
#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
/* GPIO L bit 2 is usb detect */
if (GPIOL_INPUT_VAL & 0x4)
return USB_INSERTED;
#endif
if (usb_drv_powered())
return USB_INSERTED;
return USB_EXTRACTED;
}