bootloader/sansaconnect.c

   1 /***************************************************************************
   2 *             __________               __   ___.
   3 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7 *                     \/            \/     \/    \/            \/
   8 * $Id: $
   9 *
  10 * Copyright (C) 2011 by Tomasz Moń
  11 *
  12 * All files in this archive are subject to the GNU General Public License.
  13 * See the file COPYING in the source tree root for full license agreement.
  14 *
  15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16 * KIND, either express or implied.
  17 *
  18 ****************************************************************************/
  19
  20 #include "system.h"
  21 #include "lcd.h"
  22 #include "kernel.h"
  23 #include "thread.h"
  24 #include "storage.h"
  25 #include "disk.h"
  26 #include "font.h"
  27 #include "backlight.h"
  28 #include "button.h"
  29 #include "common.h"
  30 #include "version.h"
  31 #include "uart-target.h"
  32 #include "power.h"
  33
  34 extern void show_logo(void);
  35
  36 void main(void)
  37 {
  38     unsigned char* loadbuffer;
  39     int buffer_size;
  40     int(*kernel_entry)(void);
  41     int ret;
  42     int btn;
  43
  44     /* Make sure interrupts are disabled */
  45     set_irq_level(IRQ_DISABLED);
  46     set_fiq_status(FIQ_DISABLED);
  47     system_init();
  48     kernel_init();
  49
  50     /* Now enable interrupts */
  51     set_irq_level(IRQ_ENABLED);
  52     set_fiq_status(FIQ_ENABLED);
  53     backlight_init();
  54     lcd_init();
  55     font_init();
  56     button_init();
  57
  58 #ifdef HAVE_LCD_ENABLE
  59     lcd_enable(true);
  60 #endif
  61     lcd_setfont(FONT_SYSFIXED);
  62     reset_screen();
  63     show_logo();
  64
  65     btn = button_read_device();
  66
  67     printf("Rockbox boot loader");
  68     printf("Version " RBVERSION);
  69
  70     ret = storage_init();
  71     if(ret)
  72         printf("SD error: %d", ret);
  73
  74     disk_init(IF_MD(0));
  75
  76     ret = disk_mount_all();
  77     if (ret <= 0)
  78         error(EDISK, ret, true);
  79
  80     if (btn & BUTTON_PREV)
  81     {
  82         printf("Loading OF firmware...");
  83         printf("Loading vmlinux.bin...");
  84         loadbuffer = (unsigned char*)0x01008000;
  85         buffer_size = 0x200000;
  86
  87         ret = load_raw_firmware(loadbuffer, "/vmlinux.bin", buffer_size);
  88
  89         if (ret < 0)
  90         {
  91             printf("Unable to load vmlinux.bin");
  92         }
  93         else
  94         {
  95             printf("Loading initrd.bin...");
  96             loadbuffer = (unsigned char*)0x04400020;
  97             buffer_size = 0x200000;
  98             ret = load_raw_firmware(loadbuffer, "/initrd.bin", buffer_size);
  99         }
 100
 101         if (ret > 0)
 102         {
 103             system_prepare_fw_start();
 104
 105             kernel_entry = (void*)0x01008000;
 106             ret = kernel_entry();
 107             printf("FAILED to boot OF");
 108         }
 109     }
 110
 111     printf("Loading Rockbox firmware...");
 112
 113     loadbuffer = (unsigned char*)CONFIG_SDRAM_START;
 114     buffer_size = 0x1000000;
 115
 116     ret = load_firmware(loadbuffer, BOOTFILE, buffer_size);
 117
 118     if(ret < 0)
 119     {
 120         error(EBOOTFILE, ret, true);
 121     }
 122     else if(ret == EOK)
 123     {
 124         system_prepare_fw_start();
 125
 126         kernel_entry = (void*) loadbuffer;
 127         ret = kernel_entry();
 128         printf("FAILED!");
 129     }
 130
 131     storage_sleepnow();
 132
 133     while(1);
 134 }