xref: /rk3399_ARM-atf/bl1/aarch64/bl1_entrypoint.S (revision 52010cc779a59f2bc8a23fa5754630a6e63119a4)
1/*
2 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <arch.h>
32#include <el3_common_macros.S>
33
34	.globl	bl1_entrypoint
35
36
37	/* -----------------------------------------------------
38	 * bl1_entrypoint() is the entry point into the trusted
39	 * firmware code when a cpu is released from warm or
40	 * cold reset.
41	 * -----------------------------------------------------
42	 */
43
44func bl1_entrypoint
45	el3_entrypoint_common					\
46		_set_endian=1					\
47		_warm_boot_mailbox=1				\
48		_secondary_cold_boot=1				\
49		_init_memory=1					\
50		_init_c_runtime=1				\
51		_exception_vectors=bl1_exceptions
52
53	/* ---------------------------------------------
54	 * Architectural init. can be generic e.g.
55	 * enabling stack alignment and platform spec-
56	 * ific e.g. MMU & page table setup as per the
57	 * platform memory map. Perform the latter here
58	 * and the former in bl1_main.
59	 * ---------------------------------------------
60	 */
61	bl	bl1_early_platform_setup
62	bl	bl1_plat_arch_setup
63
64	/* --------------------------------------------------
65	 * Initialize platform and jump to our c-entry point
66	 * for this type of reset. Panic if it returns
67	 * --------------------------------------------------
68	 */
69	bl	bl1_main
70panic:
71	b	panic
72endfunc bl1_entrypoint
73