diff options
Diffstat (limited to 'firmware/target/arm/pp/usb-fw-pp5002.c')
-rw-r--r-- | firmware/target/arm/pp/usb-fw-pp5002.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/firmware/target/arm/pp/usb-fw-pp5002.c b/firmware/target/arm/pp/usb-fw-pp5002.c new file mode 100644 index 0000000000..d296b05b2f --- /dev/null +++ b/firmware/target/arm/pp/usb-fw-pp5002.c | |||
@@ -0,0 +1,75 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2007 by Jens Arnold | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "config.h" | ||
23 | #include "ata.h" | ||
24 | #include "cpu.h" | ||
25 | #include "string.h" | ||
26 | #include "system.h" | ||
27 | #include "usb.h" | ||
28 | |||
29 | void usb_pin_init(void) | ||
30 | { | ||
31 | /* TODO: add USB init for iPod 3rd gen */ | ||
32 | |||
33 | #if defined(IPOD_1G2G) || defined(IPOD_3G) | ||
34 | /* GPIO C bit 7 is firewire detect */ | ||
35 | GPIOC_ENABLE |= 0x80; | ||
36 | GPIOC_OUTPUT_EN &= ~0x80; | ||
37 | #endif | ||
38 | } | ||
39 | |||
40 | /* No different for now */ | ||
41 | void usb_init_device(void) __attribute__((alias("usb_pin_init"))); | ||
42 | |||
43 | void usb_enable(bool on) | ||
44 | { | ||
45 | /* This device specific code will eventually give way to proper USB | ||
46 | handling, which should be the same for all PP5002 targets. */ | ||
47 | if (on) | ||
48 | { | ||
49 | #ifdef IPOD_ARCH | ||
50 | /* For iPod, we can only do one thing with USB mode atm - reboot | ||
51 | into the flash-based disk-mode. This does not return. */ | ||
52 | |||
53 | ata_sleepnow(); /* Immediately spindown the disk. */ | ||
54 | sleep(HZ*2); | ||
55 | |||
56 | memcpy((void *)0x40017f00, "diskmodehotstuff\1", 17); | ||
57 | |||
58 | system_reboot(); /* Reboot */ | ||
59 | #endif | ||
60 | } | ||
61 | } | ||
62 | |||
63 | int usb_detect(void) | ||
64 | { | ||
65 | #if defined(IPOD_1G2G) || defined(IPOD_3G) | ||
66 | /* GPIO C bit 7 is firewire detect */ | ||
67 | if (!(GPIOC_INPUT_VAL & 0x80)) | ||
68 | return USB_INSERTED; | ||
69 | #endif | ||
70 | |||
71 | /* TODO: add USB detection for iPod 3rd gen */ | ||
72 | |||
73 | return USB_EXTRACTED; | ||
74 | } | ||
75 | bool usb_plugged(void) __attribute__((alias("usb_detect"))); | ||