Add preliminary support for the Onda VX747 (MIPS target)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18032 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 125 insertions, 0 deletions

diff --git a/bootloader/ondavx747.c b/bootloader/ondavx747.c
new file mode 100755
index 0000000000..46e81cacad
--- /dev/null
+++ b/bootloader/ondavx747.c
@@ -0,0 +1,125 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Maurus Cuelenaere
+ *
+ * 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 <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "config.h"
+#include "jz4740.h"
+#include "backlight.h"
+#include "font.h"
+#include "lcd.h"
+#include "system.h"
+#include "mips.h"
+#include "button.h"
+
+int _line = 1;
+char _printfbuf[256];
+
+/* This is all rather hacky, but it works... */
+void _printf(const char *format, ...)
+{
+    int len;
+    unsigned char *ptr;
+    va_list ap;
+    va_start(ap, format);
+
+    ptr = _printfbuf;
+    len = vsnprintf(ptr, sizeof(_printfbuf), format, ap);
+    va_end(ap);
+
+    int i;
+    for(i=0; i<1; i++)
+    {
+        lcd_puts(0, _line++, ptr);
+        lcd_update();
+    }
+    if(_line >= LCD_HEIGHT/SYSFONT_HEIGHT)
+        _line = 1;
+}
+
+void audiotest(void)
+{
+    __i2s_internal_codec();
+    __aic_enable();
+    __aic_reset();
+    __aic_select_i2s();
+    __aic_enable_loopback();
+}
+
+static void jz_store_icache(void)
+{
+    unsigned long start;
+    unsigned long end;
+
+    start = KSEG0BASE;
+    end = start + CFG_ICACHE_SIZE;
+    while(start < end)
+    {
+        cache_unroll(start, 8);
+        start += CFG_CACHELINE_SIZE;
+    }
+}
+
+int main(void)
+{
+    cli();
+    
+    write_c0_status(0x10000400);
+    
+    memcpy((void *)A_K0BASE, (void *)0x80E00080, 0x20);
+    memcpy((void *)(A_K0BASE + 0x180), (void *)0x80E00080, 0x20);
+    memcpy((void *)(A_K0BASE + 0x200), (void *)0x80E00080, 0x20);
+    
+    jz_flush_dcache();
+    jz_store_icache();
+    
+    sti();
+    
+    kernel_init();
+    lcd_init();
+    font_init();
+    lcd_setfont(FONT_SYSFIXED);
+    button_init();
+    
+    backlight_init();
+    
+    /* To make the Windows say "ding-dong".. */
+    REG8(USB_REG_POWER) &= ~USB_POWER_SOFTCONN;
+
+    int touch;
+    lcd_clear_display();
+    _printf("Rockbox bootloader v0.000001");
+    while(1)
+    {
+        if(button_read_device(&touch) & BUTTON_VOL_DOWN)
+            _printf("BUTTON_VOL_DOWN");
+        if(button_read_device(&touch) & BUTTON_MENU)
+            _printf("BUTTON_MENU");
+        if(button_read_device(&touch) & BUTTON_VOL_UP)
+            _printf("BUTTON_VOL_UP");
+        if(button_read_device(&touch) & BUTTON_POWER)
+            _printf("BUTTON_POWER");
+        _printf("X: %d Y: %d", touch>>16, touch&0xFFFF);
+    }
+    
+    return 0;
+}