diff options
Diffstat (limited to 'firmware/target/arm/pp/kernel-pp.c')
-rw-r--r-- | firmware/target/arm/pp/kernel-pp.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/target/arm/pp/kernel-pp.c b/firmware/target/arm/pp/kernel-pp.c new file mode 100644 index 0000000000..2a00254173 --- /dev/null +++ b/firmware/target/arm/pp/kernel-pp.c | |||
@@ -0,0 +1,64 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Björn Stenberg | ||
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 "config.h" | ||
22 | #include "system.h" | ||
23 | #include "kernel.h" | ||
24 | |||
25 | #if !defined(BOOTLOADER) || defined(HAVE_BOOTLOADER_USB_MODE) | ||
26 | void TIMER1(void) | ||
27 | { | ||
28 | /* Run through the list of tick tasks (using main core) */ | ||
29 | TIMER1_VAL; /* Read value to ack IRQ */ | ||
30 | |||
31 | /* Run through the list of tick tasks using main CPU core - | ||
32 | wake up the COP through its control interface to provide pulse */ | ||
33 | call_tick_tasks(); | ||
34 | |||
35 | #if NUM_CORES > 1 | ||
36 | /* Pulse the COP */ | ||
37 | core_wake(COP); | ||
38 | #endif /* NUM_CORES */ | ||
39 | } | ||
40 | #endif | ||
41 | |||
42 | /* Must be last function called init kernel/thread initialization */ | ||
43 | void tick_start(unsigned int interval_in_ms) | ||
44 | { | ||
45 | #if !defined(BOOTLOADER) || defined(HAVE_BOOTLOADER_USB_MODE) | ||
46 | TIMER1_CFG = 0x0; | ||
47 | TIMER1_VAL; | ||
48 | /* enable timer */ | ||
49 | TIMER1_CFG = 0xc0000000 | (interval_in_ms*1000 - 1); | ||
50 | /* unmask interrupt source */ | ||
51 | CPU_INT_EN = TIMER1_MASK; | ||
52 | #else | ||
53 | /* We don't enable interrupts in the bootloader */ | ||
54 | (void)interval_in_ms; | ||
55 | #endif | ||
56 | } | ||
57 | |||
58 | #ifdef HAVE_BOOTLOADER_USB_MODE | ||
59 | void tick_stop(void) | ||
60 | { | ||
61 | CPU_INT_DIS = TIMER1_MASK; | ||
62 | TIMER1_CFG = 0; | ||
63 | } | ||
64 | #endif | ||