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 "ata-target.h"
  26 #include "disk.h"
  27 #include "font.h"
  28 #include "backlight.h"
  29 #include "button.h"
  30 #include "common.h"
  31 #include "version.h"
  32 #include "uart-target.h"
  33 #include "power.h"
  34
  35 extern void show_logo(void);
  36
  37 void main(void)
  38 {
  39     unsigned char* loadbuffer;
  40     int buffer_size;
  41     int(*kernel_entry)(void);
  42     int ret;
  43     int btn;
  44
  45     /* Make sure interrupts are disabled */
  46     set_irq_level(IRQ_DISABLED);
  47     set_fiq_status(FIQ_DISABLED);
  48     system_init();
  49     kernel_init();
  50
  51     /* Now enable interrupts */
  52     set_irq_level(IRQ_ENABLED);
  53     set_fiq_status(FIQ_ENABLED);
  54     backlight_init();
  55     lcd_init();
  56     font_init();
  57     button_init();
  58
  59 #ifdef HAVE_LCD_ENABLE
  60     lcd_enable(true);
  61 #endif
  62     lcd_setfont(FONT_SYSFIXED);
  63     reset_screen();
  64     show_logo();
  65
  66     btn = button_read_device();
  67
  68     printf("Rockbox boot loader");
  69     printf("Version " RBVERSION);
  70
  71     ret = storage_init();
  72     if(ret)
  73         printf("SD error: %d", ret);
  74
  75     disk_init(IF_MD(0));
  76
  77     ret = disk_mount_all();
  78     if (ret <= 0)
  79         error(EDISK, ret, true);
  80
  81     if (btn & BUTTON_PREV)
  82     {
  83         printf("Loading OF firmware...");
  84         printf("Loading vmlinux.bin...");
  85         loadbuffer = (unsigned char*)0x01008000;
  86         buffer_size = 0x200000;
  87
  88         ret = load_raw_firmware(loadbuffer, "/vmlinux.bin", buffer_size);
  89
  90         if (ret < 0)
  91         {
  92             printf("Unable to load vmlinux.bin");
  93         }
  94         else
  95         {
  96             printf("Loading initrd.bin...");
  97             loadbuffer = (unsigned char*)0x04400020;
  98             buffer_size = 0x200000;
  99             ret = load_raw_firmware(loadbuffer, "/initrd.bin", buffer_size);
 100         }
 101
 102         if (ret > 0)
 103         {
 104             system_prepare_fw_start();
 105
 106             kernel_entry = (void*)0x01008000;
 107             ret = kernel_entry();
 108             printf("FAILED to boot OF");
 109         }
 110     }
 111
 112     printf("Loading Rockbox firmware...");
 113
 114     loadbuffer = (unsigned char*)CONFIG_SDRAM_START;
 115     buffer_size = 0x1000000;
 116
 117     ret = load_firmware(loadbuffer, BOOTFILE, buffer_size);
 118
 119     if(ret < 0)
 120     {
 121         error(EBOOTFILE, ret, true);
 122     }
 123     else if(ret == EOK)
 124     {
 125         system_prepare_fw_start();
 126
 127         kernel_entry = (void*) loadbuffer;
 128         ret = kernel_entry();
 129         printf("FAILED!");
 130     }
 131
 132     storage_sleepnow();
 133
 134     while(1);
 135 }