u-boot/drivers/usb/host/ohci-da8xx.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

40 lines
640 B
C

/*
* Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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();
}