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/*
* start-arm.c
*
* Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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.
*
*/
#include <common.h>
#include <init.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <asm-generic/memory_layout.h>
#include <asm/sections.h>
#include <asm/cache.h>
#include <memory.h>
/*
* First function in the uncompressed image. We get here from
* the pbl.
*/
void __naked __section(.text_entry) start(void)
{
#ifdef CONFIG_PBL_IMAGE
board_init_lowlevel_return();
#else
barebox_arm_head();
#endif
}
/*
* The actual reset vector. This code is position independent and usually
* does not run at the address it's linked at.
*/
#ifndef CONFIG_MACH_DO_LOWLEVEL_INIT
void __naked __bare_init reset(void)
{
common_reset();
board_init_lowlevel_return();
}
#endif
/*
* Board code can jump here by either returning from board_init_lowlevel
* or by calling this function directly.
*/
void __naked board_init_lowlevel_return(void)
{
arm_setup_stack(STACK_BASE + STACK_SIZE - 16);
setup_c();
start_barebox();
}
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