diff options
Diffstat (limited to 'firmware/target/hosted/ypr0/system-ypr0.c')
-rw-r--r-- | firmware/target/hosted/ypr0/system-ypr0.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/firmware/target/hosted/ypr0/system-ypr0.c b/firmware/target/hosted/ypr0/system-ypr0.c new file mode 100644 index 0000000000..3a2b30339f --- /dev/null +++ b/firmware/target/hosted/ypr0/system-ypr0.c | |||
@@ -0,0 +1,106 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: system-sdl.c 29925 2011-05-25 20:11:03Z thomasjfox $ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Daniel Everton <dan@iocaine.org> | ||
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 <stdlib.h> | ||
23 | #include <string.h> | ||
24 | #include <inttypes.h> | ||
25 | #include "system.h" | ||
26 | #include "panic.h" | ||
27 | #include "debug.h" | ||
28 | |||
29 | #if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL) | ||
30 | #include <SDL.h> | ||
31 | #endif | ||
32 | |||
33 | #include "ascodec-target.h" | ||
34 | |||
35 | void sim_do_exit(void) | ||
36 | { | ||
37 | exit(EXIT_SUCCESS); | ||
38 | } | ||
39 | |||
40 | void shutdown_hw(void) | ||
41 | { | ||
42 | /* Something that we need to do before exit on our platform YPR0 */ | ||
43 | ascodec_close(); | ||
44 | sim_do_exit(); | ||
45 | } | ||
46 | |||
47 | uintptr_t *stackbegin; | ||
48 | uintptr_t *stackend; | ||
49 | void system_init(void) | ||
50 | { | ||
51 | int *s; | ||
52 | /* fake stack, OS manages size (and growth) */ | ||
53 | stackbegin = stackend = (uintptr_t*)&s; | ||
54 | |||
55 | #if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL) | ||
56 | SDL_Init(0); /* need this if using any SDL subsystem */ | ||
57 | #endif | ||
58 | /* Here begins our platform specific initilization for various things */ | ||
59 | ascodec_init(); | ||
60 | } | ||
61 | |||
62 | |||
63 | void system_reboot(void) | ||
64 | { | ||
65 | sim_do_exit(); | ||
66 | } | ||
67 | |||
68 | void system_exception_wait(void) | ||
69 | { | ||
70 | system_reboot(); | ||
71 | } | ||
72 | |||
73 | #ifdef HAVE_ADJUSTABLE_CPU_FREQ | ||
74 | #include <stdio.h> | ||
75 | #include "file.h" | ||
76 | /* This is the Linux Kernel CPU governor... */ | ||
77 | static void set_cpu_freq(int speed) | ||
78 | { | ||
79 | char temp[10]; | ||
80 | int cpu_dev; | ||
81 | cpu_dev = open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed", O_WRONLY); | ||
82 | if (cpu_dev < 0) | ||
83 | return; | ||
84 | write(cpu_dev, temp, sprintf(temp, "%d", speed) + 1); | ||
85 | close(cpu_dev); | ||
86 | } | ||
87 | |||
88 | void set_cpu_frequency(long frequency) | ||
89 | { | ||
90 | switch (frequency) | ||
91 | { | ||
92 | case CPUFREQ_MAX: | ||
93 | set_cpu_freq(532000); | ||
94 | cpu_frequency = CPUFREQ_MAX; | ||
95 | break; | ||
96 | case CPUFREQ_NORMAL: | ||
97 | set_cpu_freq(400000); | ||
98 | cpu_frequency = CPUFREQ_NORMAL; | ||
99 | break; | ||
100 | default: | ||
101 | set_cpu_freq(200000); | ||
102 | cpu_frequency = CPUFREQ_DEFAULT; | ||
103 | break; | ||
104 | } | ||
105 | } | ||
106 | #endif | ||