1 files changed, 104 insertions, 0 deletions

diff --git a/firmware/target/hosted/samsungypr/ypr0/system-ypr0.c b/firmware/target/hosted/samsungypr/ypr0/system-ypr0.c
new file mode 100644
index 0000000000..7ee2697a24
--- /dev/null
+++ b/firmware/target/hosted/samsungypr/ypr0/system-ypr0.c
@@ -0,0 +1,104 @@
+/***************************************************************************
+ *             __________               __   ___.                  
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
+ *                     \/            \/     \/    \/            \/ 
+ *
+ * Copyright (C) 2011-2013 by Lorenzo Miori
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include "system.h"
+#include "panic.h"
+#include "debug.h"
+
+#if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL)
+#include <SDL.h>
+#endif
+
+#include "ascodec.h"
+#include "gpio-target.h"
+
+void power_off(void)
+{
+    /* Something that we need to do before exit on our platform YPR0 */
+    ascodec_close();
+    gpio_close();
+    exit(EXIT_SUCCESS);
+}
+
+uintptr_t *stackbegin;
+uintptr_t *stackend;
+void system_init(void)
+{
+    int *s;
+    /* fake stack, OS manages size (and growth) */
+    stackbegin = stackend = (uintptr_t*)&s;
+
+#if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL)
+    SDL_Init(0); /* need this if using any SDL subsystem */
+#endif
+
+    /* Here begins our platform specific initilization for various things */
+    ascodec_init();
+    gpio_init();
+}
+
+
+void system_reboot(void)
+{
+    power_off();
+}
+
+void system_exception_wait(void)
+{
+    system_reboot();
+}
+
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+#include <stdio.h>
+#include "file.h"
+/* This is the Linux Kernel CPU governor... */
+static void set_cpu_freq(int speed)
+{
+    char temp[10];
+    int cpu_dev;
+    cpu_dev = open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed", O_WRONLY);
+    if (cpu_dev < 0)
+        return;
+    write(cpu_dev, temp, sprintf(temp, "%d", speed) + 1);
+    close(cpu_dev);
+}
+
+void set_cpu_frequency(long frequency)
+{
+    switch (frequency)
+    {
+        case CPUFREQ_MAX:
+            set_cpu_freq(532000);
+            cpu_frequency = CPUFREQ_MAX;
+            break;
+        case CPUFREQ_NORMAL:
+            set_cpu_freq(400000);
+            cpu_frequency = CPUFREQ_NORMAL;
+            break;
+        default:
+            set_cpu_freq(200000);
+            cpu_frequency = CPUFREQ_DEFAULT;
+            break;
+    }
+}
+#endif