Sansa Fuze+: initial commit (bootloader only, LCD basically working)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29808 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 91 insertions, 0 deletions

diff --git a/bootloader/imx233.c b/bootloader/imx233.c
new file mode 100644
index 0000000000..cded5a119a
--- /dev/null
+++ b/bootloader/imx233.c
@@ -0,0 +1,91 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by amaury Pouly
+ *
+ * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
+ * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
+ * 
+ * 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 <system.h>
+#include <inttypes.h>
+#include "config.h"
+#include "gcc_extensions.h"
+#include "lcd.h"
+#include "backlight.h"
+#include "button-target.h"
+#include "common.h"
+#include "storage.h"
+#include "disk.h"
+#include "panic.h"
+#include "power.h"
+
+int show_logo(void);
+
+void main(void) NORETURN_ATTR;
+void main(void)
+{
+    unsigned char* loadbuffer;
+    int buffer_size;
+    void(*kernel_entry)(void);
+    int ret;
+
+    system_init();
+    kernel_init();
+
+    enable_irq();
+
+    lcd_init();
+    show_logo();
+
+    backlight_init();
+
+    button_init_device();
+
+    ret = storage_init();
+    if(ret < 0)
+        error(EATA, ret, true);
+
+    while(!disk_init(IF_MV(0)))
+        panicf("disk_init failed!");
+
+    while((ret = disk_mount_all()) <= 0)
+    {
+        error(EDISK, ret, true);
+    }
+
+    printf("Loading firmware");
+
+    loadbuffer = (unsigned char*)DRAM_ORIG; /* DRAM */
+    buffer_size = (int)(loadbuffer + DRAM_SIZE - TTB_SIZE);
+
+    while((ret = load_firmware(loadbuffer, BOOTFILE, buffer_size)) < 0)
+    {
+        error(EBOOTFILE, ret, true);
+    }
+
+    kernel_entry = (void*) loadbuffer;
+    //cpucache_invalidate();
+    printf("Executing");
+    kernel_entry();
+    printf("ERR: Failed to boot");
+
+    /* never returns */
+    while(1) ;
+}