9ced006c06
The icoll code now has an IRQ storm detection mechanism which will prevent the device from hard freezing in case it happen. Change-Id: I9861238dce61d29af1e48f9c534ec63a7f23465c
84 lines
2 KiB
C
84 lines
2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "string.h"
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#include "usb.h"
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#include "usb_drv.h"
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#include "usb_core.h"
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#include "system.h"
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#include "system-target.h"
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#include "clkctrl-imx233.h"
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#include "power-imx233.h"
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void usb_insert_int(void)
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{
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usb_status_event(USB_INSERTED);
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}
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void usb_remove_int(void)
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{
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usb_status_event(USB_EXTRACTED);
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}
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void usb_attach(void)
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{
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usb_drv_attach();
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}
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void usb_drv_int_enable(bool enable)
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{
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imx233_icoll_enable_interrupt(INT_SRC_USB_CTRL, enable);
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}
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void INT_USB_CTRL(void)
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{
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usb_drv_int();
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}
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void usb_init_device(void)
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{
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usb_drv_startup();
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}
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int usb_detect(void)
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{
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return (HW_POWER_STS & HW_POWER_STS__VBUSVALID) ? USB_INSERTED : USB_EXTRACTED;
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}
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void usb_enable(bool on)
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{
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if(on)
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{
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imx233_clkctrl_enable_usb_pll(true);
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imx233_enable_usb_phy(true);
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imx233_enable_usb_controller(true);
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usb_core_init();
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}
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else
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{
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usb_core_exit();
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imx233_enable_usb_controller(false);
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imx233_enable_usb_phy(false);
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imx233_clkctrl_enable_usb_pll(false);
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}
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}
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