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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Michael Sparmann
*
* 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 "usb.h"
#include "usb-s3c6400x.h"
#include "cpu.h"
#ifdef HAVE_USBSTACK
#include "usb_core.h"
#include "usb_drv.h"
#include "power.h"
void usb_enable(bool on)
{
if (on) usb_core_init();
else usb_core_exit();
}
int usb_detect(void)
{
if (power_input_status() & POWER_INPUT_USB)
return USB_INSERTED;
return USB_EXTRACTED;
}
void usb_init_device(void)
{
/* Power up the core clocks to allow writing
to some registers needed to power it down */
PCGCCTL = 0;
#if CONFIG_CPU==S5L8701
PWRCON &= ~0x4000;
PWRCONEXT &= ~0x800;
INTMSK |= INTMSK_USB_OTG;
#elif CONFIG_CPU==S5L8702
PWRCON(0) &= ~0x4;
PWRCON(1) &= ~0x8;
VIC0INTENABLE |= 1 << 19;
#endif
usb_drv_exit();
}
#else
void usb_enable(bool on)
{
(void)on;
}
int usb_detect(void)
{
return USB_EXTRACTED;
}
void usb_init_device(void)
{
DCTL = DCTL_pwronprgdone | DCTL_sftdiscon;
ORSTCON = 1; /* Put the PHY into reset (needed to get current down) */
PCGCCTL = 1; /* Shut down PHY clock */
OPHYPWR = 0xF; /* PHY: Power down */
#if CONFIG_CPU==S5L8701
PWRCON |= 0x4000;
PWRCONEXT |= 0x800;
#elif CONFIG_CPU==S5L8702
PWRCON(0) |= 0x4;
PWRCON(1) |= 0x8;
#endif
}
#endif
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