/*
 * Early initialization code for ARM architecture.
 *
 * This file is based off of the OMAP3530/ARM Cortex start.S file from Das
 * U-Boot, which itself got the file from armboot.
 *
 * Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
 * Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
 * Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
 * Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
 * Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
 * Copyright (c) 2003	Kshitij <kshitij@ti.com>
 * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
 * Copyright (c) 2013   The Chromium OS Authors
 *
 * 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; version 2 of
 * the License.
 *
 * 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
 */

#include <arch/asm.h>

#include "stack.S"

ENTRY(_start)
	/*
	 * Set the cpu to System mode with IRQ and FIQ disabled. Prefetch/Data
	 * aborts may happen early and crash before the abort handlers are
	 * installed, but at least the problem will show up near the code that
	 * causes it.
	 */
	msr	cpsr_cxf, #0xdf

	stack_init stack=.Stack size=.Stack_size seed=1 func=main
ENDPROC(_start)

/* we do it this way because it's a 32-bit constant and
 * in some cases too far away to be loaded as just an offset
 * from IP
 */
.align 2
.Stack:
	.word CONFIG_BOOTBLOCK_STACK_TOP
.align 2
/* create this size the same way we do in ramstage.ld: top-bottom */
.Stack_size:
	.word CONFIG_BOOTBLOCK_STACK_TOP - CONFIG_BOOTBLOCK_STACK_BOTTOM
