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Diffstat (limited to 'firmware/target/coldfire/iaudio/usb-iaudio.c')
-rw-r--r--firmware/target/coldfire/iaudio/usb-iaudio.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/usb-iaudio.c b/firmware/target/coldfire/iaudio/usb-iaudio.c
new file mode 100644
index 0000000000..3bd1a7a458
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/usb-iaudio.c
@@ -0,0 +1,45 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2006 by Linus Nielsen Feltzing
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20#include <stdbool.h>
21#include "cpu.h"
22#include "system.h"
23
24void usb_init_device(void)
25{
26 or_l(0x00800010, &GPIO_OUT); /* RESET deasserted, VBUS powered */
27 or_l(0x00800010, &GPIO_ENABLE);
28 or_l(0x00800010, &GPIO_FUNCTION);
29
30 or_l(0x00800000, &GPIO1_FUNCTION); /* USB detect */
31}
32
33bool usb_detect(void)
34{
35 return (GPIO1_READ & 0x00800000)?true:false;
36}
37
38void usb_enable(bool on)
39{
40 if(on) {
41 or_l(0x00000008, &GPIO1_OUT);
42 } else {
43 and_l(~0x00000008, &GPIO1_OUT);
44 }
45}