projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 68145d4c | 2 | /* |
| 09c2b8f3 | 3 | * Copyright (c) 2015 Andreas Bießmann <andreas@biessmann.org> |
| 68145d4c AB |
4 | * |
| 5 | * Copyright (c) 2011 The Chromium OS Authors. | |
| 6 | * (C) Copyright 2002-2006 | |
| 7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 8 | * | |
| 9 | * (C) Copyright 2002 | |
| 10 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
| 11 | * Marius Groeger <mgroeger@sysgo.de> | |
| 68145d4c | 12 | */ |
| d678a59d | 13 | #include <common.h> |
| 691d719d | 14 | #include <init.h> |
| 401d1c4f | 15 | #include <asm/global_data.h> |
| d63fc994 | 16 | #include <asm/mp.h> |
| 68145d4c AB |
17 | |
| 18 | DECLARE_GLOBAL_DATA_PTR; | |
| 19 | ||
| 20 | int arch_reserve_stacks(void) | |
| 21 | { | |
| 22 | ulong *s; | |
| 23 | ||
| 24 | /* setup stack pointer for exceptions */ | |
| 25 | gd->irq_sp = gd->start_addr_sp; | |
| 26 | ||
| 27 | /* Clear initial stack frame */ | |
| 28 | s = (ulong *)gd->start_addr_sp; | |
| 29 | *s = 0; /* Terminate back chain */ | |
| 30 | *++s = 0; /* NULL return address */ | |
| 31 | ||
| 32 | return 0; | |
| 33 | } | |
| d63fc994 OP |
34 | |
| 35 | int arch_setup_dest_addr(void) | |
| 36 | { | |
| 37 | #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) | |
| 38 | /* | |
| 39 | * We need to make sure the location we intend to put secondary core | |
| 40 | * boot code is reserved and not used by any part of u-boot | |
| 41 | */ | |
| 42 | if (gd->relocaddr > determine_mp_bootpg(NULL)) { | |
| 43 | gd->relocaddr = determine_mp_bootpg(NULL); | |
| 44 | debug("Reserving MP boot page to %08lx\n", gd->relocaddr); | |
| 45 | } | |
| 46 | #endif | |
| 47 | ||
| 48 | return 0; | |
| 49 | } |