xref: /rk3399_ARM-atf/plat/common/aarch32/platform_helpers.S (revision 0b32628eddfef95b51909816f625e6f37cd21cb8)
1/*
2 * Copyright (c) 2016-2017, 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 <asm_macros.S>
33
34	.weak	plat_crash_console_init
35	.weak	plat_crash_console_putc
36	.weak	plat_crash_console_flush
37	.weak	plat_reset_handler
38	.weak	plat_disable_acp
39	.weak	platform_mem_init
40	.weak	plat_panic_handler
41
42	/* -----------------------------------------------------
43	 * Placeholder function which should be redefined by
44	 * each platform.
45	 * -----------------------------------------------------
46	 */
47func plat_crash_console_init
48	mov	r0, #0
49	bx	lr
50endfunc plat_crash_console_init
51
52	/* -----------------------------------------------------
53	 * Placeholder function which should be redefined by
54	 * each platform.
55	 * -----------------------------------------------------
56	 */
57func plat_crash_console_putc
58	bx	lr
59endfunc plat_crash_console_putc
60
61	/* -----------------------------------------------------
62	 * Placeholder function which should be redefined by
63	 * each platform.
64	 * -----------------------------------------------------
65	 */
66func plat_crash_console_flush
67	mov	r0, #0
68	bx	lr
69endfunc plat_crash_console_flush
70
71	/* -----------------------------------------------------
72	 * Placeholder function which should be redefined by
73	 * each platform.
74	 * -----------------------------------------------------
75	 */
76func plat_reset_handler
77	bx	lr
78endfunc plat_reset_handler
79
80	/* -----------------------------------------------------
81	 * Placeholder function which should be redefined by
82	 * each platform.
83	 * -----------------------------------------------------
84	 */
85func plat_disable_acp
86	bx	lr
87endfunc plat_disable_acp
88
89	/* ---------------------------------------------------------------------
90	 * Placeholder function which should be redefined by
91	 * each platform.
92	 * ---------------------------------------------------------------------
93	 */
94func platform_mem_init
95	bx	lr
96endfunc platform_mem_init
97
98	/* -----------------------------------------------------
99	 * void plat_panic_handler(void) __dead2;
100	 * Endless loop by default.
101	 * -----------------------------------------------------
102	 */
103func plat_panic_handler
104	b	plat_panic_handler
105endfunc plat_panic_handler
106