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/*
* Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <common.h>
#include <asm/arch/da8xx-usb.h>
int usb_cpu_init(void)
{
/* enable psc for usb2.0 */
lpsc_on(DAVINCI_LPSC_USB20);
/* enable psc for usb1.0 */
lpsc_on(DAVINCI_LPSC_USB11);
/* start the on-chip usb phy and its pll */
if (usb_phy_on())
return 0;
return 1;
}
int usb_cpu_stop(void)
{
usb_phy_off();
/* turn off the usb clock and assert the module reset */
lpsc_disable(DAVINCI_LPSC_USB11);
lpsc_disable(DAVINCI_LPSC_USB20);
return 0;
}
int usb_cpu_init_fail(void)
{
return usb_cpu_stop();
}
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