blob: c89a219dd26d00daf014aa4d9a55359ee0583aab [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Andreas BieƟmann <andreas@biessmann.org>
*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2002-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*/
#include <common.h>
DECLARE_GLOBAL_DATA_PTR;
int arch_reserve_stacks(void)
{
#ifdef CONFIG_SPL_BUILD
gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */
gd->irq_sp = gd->start_addr_sp;
#else
/* setup stack pointer for exceptions */
gd->irq_sp = gd->start_addr_sp;
# if !defined(CONFIG_ARM64)
/* leave 3 words for abort-stack, plus 1 for alignment */
gd->start_addr_sp -= 16;
# endif
#endif
return 0;
}