aef27e1f0c
Adds read-only SD driver, largely copied from ata-sd-pp.c Only tested on the embedded SD, on the Clip First steps to build a Normal firmware git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19045 a1c6a512-1295-4272-9138-f99709370657
102 lines
2.7 KiB
C
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 "as3525-codec.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();
|
|
|
|
as3525_codec_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) ;
|
|
}
|