| /* |
| * 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(); |
| } |