| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2008 by Rafaël Carré |
| * |
| * 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 "lcd.h" |
| #include "backlight-target.h" |
| #include "button-target.h" |
| #include "ascodec-target.h" |
| #include "common.h" |
| #include "storage.h" |
| #include "disk.h" |
| #include "panic.h" |
| |
| int show_logo(void); |
| void main(void) |
| { |
| unsigned char* loadbuffer; |
| int buffer_size; |
| void(*kernel_entry)(void); |
| int ret; |
| |
| system_init(); |
| kernel_init(); |
| |
| #ifdef SANSA_C200V2 |
| /* stop here */ |
| while(1); |
| #endif |
| lcd_init(); |
| show_logo(); |
| |
| ascodec_init(); /* Required for backlight on e200v2 */ |
| _backlight_on(); |
| |
| button_init_device(); |
| int btn = button_read_device(); |
| |
| /* Enable bootloader messages if any button is pressed */ |
| if (btn) |
| { |
| lcd_clear_display(); |
| verbose = true; |
| } |
| |
| enable_irq(); |
| |
| ret = storage_init(); |
| if(ret < 0) |
| error(EATA,ret); |
| |
| if(!disk_init(IF_MV(0))) |
| panicf("disk_init failed!"); |
| |
| ret = disk_mount_all(); |
| |
| if(ret <= 0) |
| error(EDISK, ret); |
| |
| printf("Loading firmware"); |
| |
| loadbuffer = (unsigned char*)0x30000000; /* DRAM */ |
| buffer_size = (int)(loadbuffer + (MEM * 0x100000)); |
| |
| ret = load_firmware(loadbuffer, BOOTFILE, buffer_size); |
| if(ret < 0) |
| error(EBOOTFILE, ret); |
| |
| disable_irq(); /* disable irq until we have copied the new vectors */ |
| |
| if (ret == EOK) |
| { |
| kernel_entry = (void*) loadbuffer; |
| printf("Executing"); |
| kernel_entry(); |
| printf("ERR: Failed to boot"); |
| } |
| |
| /* never returns */ |
| while(1) ; |
| } |