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author | Amaury Pouly <pamaury@rockbox.org> | 2011-09-06 00:27:38 +0000 |
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committer | Amaury Pouly <pamaury@rockbox.org> | 2011-09-06 00:27:38 +0000 |
commit | 2ac668e44cec12616a4d675f8eade8049ed10af9 (patch) | |
tree | 946451d3ef42a2e1f7c3259b81344ffb82ce041b /firmware/target/arm/imx233/timer-imx233.c | |
parent | 333b9ed2c330bb005456444de0eb16ad422496fa (diff) | |
download | rockbox-2ac668e44cec12616a4d675f8eade8049ed10af9.tar.gz rockbox-2ac668e44cec12616a4d675f8eade8049ed10af9.zip |
imx233/fuze+: implement user time api, implement a stub function, protect timrot against irq
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30437 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx233/timer-imx233.c')
-rw-r--r-- | firmware/target/arm/imx233/timer-imx233.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/timer-imx233.c b/firmware/target/arm/imx233/timer-imx233.c new file mode 100644 index 0000000000..9721de5cd3 --- /dev/null +++ b/firmware/target/arm/imx233/timer-imx233.c | |||
@@ -0,0 +1,60 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2011 by Amaury Pouly | ||
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 | #include "kernel.h" | ||
22 | #include "timrot-imx233.h" | ||
23 | #include "timer.h" | ||
24 | |||
25 | static long timer_cycles = 0; | ||
26 | |||
27 | static void timer_fn() | ||
28 | { | ||
29 | if(pfn_timer) | ||
30 | pfn_timer(); | ||
31 | } | ||
32 | |||
33 | bool timer_set(long cycles, bool start) | ||
34 | { | ||
35 | timer_stop(); | ||
36 | |||
37 | if(start && pfn_unregister) | ||
38 | { | ||
39 | pfn_unregister(); | ||
40 | pfn_unregister = NULL; | ||
41 | } | ||
42 | |||
43 | timer_cycles = cycles; | ||
44 | |||
45 | return true; | ||
46 | } | ||
47 | |||
48 | bool timer_start(IF_COP_VOID(int core)) | ||
49 | { | ||
50 | imx233_setup_timer(USER_TIMER_NR, true, timer_cycles, | ||
51 | HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS, HW_TIMROT_TIMCTRL__PRESCALE_1, | ||
52 | false, &timer_fn); | ||
53 | return true; | ||
54 | } | ||
55 | |||
56 | void timer_stop(void) | ||
57 | { | ||
58 | imx233_setup_timer(USER_TIMER_NR, false, 0, HW_TIMROT_TIMCTRL__SELECT_NEVER_TICK, | ||
59 | HW_TIMROT_TIMCTRL__PRESCALE_1, false, NULL); | ||
60 | } | ||