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/*
* Boot header to work around broken Allwinner A1x boot loaders
*
* Copyright (C) 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* This file is a workaround to broken bootloaders on Allwinner A1x
* platform who do not provide correct machid or atags address
*
* Usage:
* load the header at 0x40007000 and change the entry point of your
* boot process to 0x40007000
*
* Detailed memory map:
* 0x40000100 atags
* 0x40007000 boot_head (entry point)
* 0x40008000 kernel
* 0x43000000 script.bin
* If you have a ramdisk then load it at some higher address
*/
_start:
ldr r0, =0
ldr r1, =MACHID
ldr r2, =0x40000100
ldr lr, =0x40008000
bx lr
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