diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio')
-rw-r--r-- | firmware/target/coldfire/iaudio/m3/usb-m3.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/m3/usb-m3.c b/firmware/target/coldfire/iaudio/m3/usb-m3.c new file mode 100644 index 0000000000..f37c69574c --- /dev/null +++ b/firmware/target/coldfire/iaudio/m3/usb-m3.c | |||
@@ -0,0 +1,47 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2008 by Jens Arnold | ||
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 | |||
20 | #include "config.h" | ||
21 | #include <stdbool.h> | ||
22 | #include "cpu.h" | ||
23 | #include "system.h" | ||
24 | #include "usb.h" | ||
25 | |||
26 | void usb_init_device(void) | ||
27 | { | ||
28 | and_l(~0x10000000, &GPIO_OUT); /* USB enable bit */ | ||
29 | or_l(0x10000000, &GPIO_ENABLE); | ||
30 | or_l(0x10000000, &GPIO_FUNCTION); | ||
31 | |||
32 | or_l(0x00000400, &GPIO1_FUNCTION); /* USB detect */ | ||
33 | } | ||
34 | |||
35 | int usb_detect(void) | ||
36 | { | ||
37 | return (GPIO1_READ & 0x00000400) ? USB_INSERTED : USB_EXTRACTED; | ||
38 | } | ||
39 | |||
40 | void usb_enable(bool on) | ||
41 | { | ||
42 | if(on) { | ||
43 | or_l(0x10000000, &GPIO_OUT); | ||
44 | } else { | ||
45 | and_l(~0x10000000, &GPIO_OUT); | ||
46 | } | ||
47 | } | ||