rockbox/bootloader/sansa_as3525.c
Rafaël Carré f7b1d806e6 Sansa AMS bootloader: use the correct (renamed) header file
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19075 a1c6a512-1295-4272-9138-f99709370657
2008-11-10 20:36:02 +00:00

102 lines
2.7 KiB
C

/***************************************************************************
* __________ __ ___.
* 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 "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;
int delay;
system_init();
kernel_init();
lcd_init();
show_logo();
ascodec_init(); /* Required for backlight on e200v2 */
_backlight_on();
delay = 0x3000000;
while(delay--); /* show splash screen */
reset_screen();
asm volatile(
"mrs r0, cpsr \n"
"bic r0, r0, #0x80 \n" /* enable interrupts */
"msr cpsr, r0 \n"
: : : "r0" );
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);
asm volatile(
"mrs r0, cpsr \n"
"orr r0, r0, #0x80 \n" /* disable interrupts */
"msr cpsr, r0 \n"
: : : "r0" );
if (ret == EOK)
{
kernel_entry = (void*) loadbuffer;
printf("Executing");
kernel_entry();
printf("ERR: Failed to boot");
}
/* never returns */
while(1) ;
}