| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2006 by Linus Nielsen Feltzing |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #include "config.h" |
| #include <stdbool.h> |
| #include "cpu.h" |
| #include "system.h" |
| #include "usb.h" |
| |
| void usb_init_device(void) |
| { |
| or_l(0x00800010, &GPIO_OUT); /* RESET deasserted, VBUS powered */ |
| or_l(0x00800010, &GPIO_ENABLE); |
| or_l(0x00800010, &GPIO_FUNCTION); |
| |
| or_l(0x00800000, &GPIO1_FUNCTION); /* USB detect */ |
| } |
| |
| int usb_detect(void) |
| { |
| return (GPIO1_READ & 0x00800000) ? USB_INSERTED : USB_EXTRACTED; |
| } |
| |
| void usb_enable(bool on) |
| { |
| if(on) { |
| or_l(0x00000008, &GPIO1_OUT); |
| } else { |
| and_l(~0x00000008, &GPIO1_OUT); |
| } |
| } |