143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Karl Kurbjun
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "inttypes.h"
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#include "string.h"
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#include "cpu.h"
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#include "system.h"
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#include "lcd.h"
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#include "../kernel-internal.h"
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#include "storage.h"
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#include "file_internal.h"
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#include "disk.h"
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#include "font.h"
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#include "adc.h"
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#include "backlight.h"
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#include "button.h"
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#include "power.h"
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#include "file.h"
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#include "common.h"
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#include "rb-loader.h"
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#include "loader_strerror.h"
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#include "usb.h"
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#include "version.h"
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void main(void)
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{
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unsigned char* loadbuffer;
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int buffer_size;
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int rc;
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int(*kernel_entry)(void);
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/* Make sure interrupts are disabled */
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set_irq_level(IRQ_DISABLED);
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set_fiq_status(FIQ_DISABLED);
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system_init();
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kernel_init();
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/* Now enable interrupts */
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set_irq_level(IRQ_ENABLED);
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set_fiq_status(FIQ_ENABLED);
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lcd_init();
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backlight_init();
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font_init();
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button_init();
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usb_init();
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power_init();
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// enable_irq();
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// enable_fiq();
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adc_init();
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lcd_setfont(FONT_SYSFIXED);
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/* Show debug messages if button is pressed */
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// if(button_read_device())
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verbose = true;
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printf("Rockbox boot loader");
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printf("Version %s", rbversion);
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/* Enter USB mode without USB thread */
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if(usb_detect() == USB_INSERTED)
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{
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const char msg[] = "Bootloader USB mode";
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reset_screen();
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lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
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(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
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lcd_update();
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ide_power_enable(true);
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storage_enable(false);
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sleep(HZ/20);
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usb_enable(true);
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while (usb_detect() == USB_INSERTED)
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{
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storage_spin(); /* Prevent the drive from spinning down */
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sleep(HZ);
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}
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usb_enable(false);
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reset_screen();
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lcd_update();
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}
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sleep(50);
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printf("ATA");
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rc = storage_init();
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if(rc)
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{
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reset_screen();
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error(EATA, rc, true);
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}
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printf("filesystem");
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filesystem_init();
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printf("mount");
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rc = disk_mount_all();
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if (rc<=0)
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{
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error(EDISK,rc, true);
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}
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printf("Loading firmware");
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loadbuffer = (unsigned char*) 0x00900000;
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buffer_size = (unsigned char*)0x01900000 - loadbuffer;
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rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
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if(rc <= EFILE_EMPTY)
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error(EBOOTFILE, rc, true);
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kernel_entry = (void*) loadbuffer;
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rc = kernel_entry();
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/* Should not get here! */
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while(1);
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}
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