summaryrefslogtreecommitdiff
path: root/firmware/target/hosted/ypr0/system-ypr0.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/hosted/ypr0/system-ypr0.c')
-rw-r--r--firmware/target/hosted/ypr0/system-ypr0.c106
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
35void sim_do_exit(void)
36{
37 exit(EXIT_SUCCESS);
38}
39
40void 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
47uintptr_t *stackbegin;
48uintptr_t *stackend;
49void 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
63void system_reboot(void)
64{
65 sim_do_exit();
66}
67
68void 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... */
77static 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
88void 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