1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2011 The Chromium OS Authors.
6 * (C) Copyright 2002-2006
10 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
14 #include <asm/global_data.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 int arch_reserve_stacks(void)
23 /* setup stack pointer for exceptions */
24 gd->irq_sp = gd->start_addr_sp;
26 /* Clear initial stack frame */
27 s = (ulong *)gd->start_addr_sp;
28 *s = 0; /* Terminate back chain */
29 *++s = 0; /* NULL return address */
34 int arch_setup_dest_addr(void)
36 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
38 * We need to make sure the location we intend to put secondary core
39 * boot code is reserved and not used by any part of u-boot
41 if (gd->relocaddr > determine_mp_bootpg(NULL)) {
42 gd->relocaddr = determine_mp_bootpg(NULL);
43 debug("Reserving MP boot page to %08lx\n", gd->relocaddr);