blob: 9f4b672ab8c7de4ec50466ec36d673108f6d1012 [file] [log] [blame]
Achin Gupta4f6ad662013-10-25 09:08:21 +01001/*
Dan Handleye83b0ca2014-01-14 18:17:09 +00002 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
Achin Gupta4f6ad662013-10-25 09:08:21 +01003 *
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>
Andrew Thoelke38bde412014-03-18 13:46:55 +000032#include <asm_macros.S>
Dan Handleyed6ff952014-05-14 17:44:19 +010033#include <platform_def.h>
Achin Gupta4f6ad662013-10-25 09:08:21 +010034
Achin Gupta4f6ad662013-10-25 09:08:21 +010035 .weak plat_report_exception
Soby Mathew066f7132014-07-14 16:57:23 +010036 .weak plat_crash_console_init
37 .weak plat_crash_console_putc
Soby Mathewf1785fd2014-08-14 12:22:32 +010038 .weak plat_reset_handler
Soby Mathew8e2f2872014-08-14 12:49:05 +010039 .weak plat_disable_acp
Achin Gupta4f6ad662013-10-25 09:08:21 +010040
Soby Mathew70716d62015-07-13 16:26:11 +010041#if !ENABLE_PLAT_COMPAT
42 .globl platform_get_core_pos
43
44#define MPIDR_RES_BIT_MASK 0xff000000
45
46 /* ------------------------------------------------------------------
47 * int platform_get_core_pos(int mpidr)
48 * Returns the CPU index of the CPU specified by mpidr. This is
49 * defined when platform compatibility is disabled to enable Trusted
50 * Firmware components like SPD using the old platform API to work.
51 * This API is deprecated and it assumes that the mpidr specified is
52 * that of a valid and present CPU. Instead, plat_my_core_pos()
53 * should be used for CPU index of the current CPU and
54 * plat_core_pos_by_mpidr() should be used for CPU index of a
55 * CPU specified by its mpidr.
56 * ------------------------------------------------------------------
57 */
58func_deprecated platform_get_core_pos
59 bic x0, x0, #MPIDR_RES_BIT_MASK
60 mrs x1, mpidr_el1
61 bic x1, x1, #MPIDR_RES_BIT_MASK
62 cmp x0, x1
63 beq plat_my_core_pos
64 b platform_core_pos_helper
65endfunc_deprecated platform_get_core_pos
66#endif
67
Achin Gupta4f6ad662013-10-25 09:08:21 +010068 /* -----------------------------------------------------
Achin Gupta4f6ad662013-10-25 09:08:21 +010069 * Placeholder function which should be redefined by
70 * each platform.
71 * -----------------------------------------------------
72 */
Andrew Thoelke38bde412014-03-18 13:46:55 +000073func plat_report_exception
Achin Gupta4f6ad662013-10-25 09:08:21 +010074 ret
Kévin Petita877c252015-03-24 14:03:57 +000075endfunc plat_report_exception
Soby Mathew066f7132014-07-14 16:57:23 +010076
77 /* -----------------------------------------------------
78 * Placeholder function which should be redefined by
79 * each platform.
80 * -----------------------------------------------------
81 */
82func plat_crash_console_init
83 mov x0, #0
84 ret
Kévin Petita877c252015-03-24 14:03:57 +000085endfunc plat_crash_console_init
Soby Mathew066f7132014-07-14 16:57:23 +010086
87 /* -----------------------------------------------------
88 * Placeholder function which should be redefined by
89 * each platform.
90 * -----------------------------------------------------
91 */
92func plat_crash_console_putc
93 ret
Kévin Petita877c252015-03-24 14:03:57 +000094endfunc plat_crash_console_putc
Soby Mathewf1785fd2014-08-14 12:22:32 +010095
96 /* -----------------------------------------------------
97 * Placeholder function which should be redefined by
98 * each platform. This function should preserve x10.
99 * -----------------------------------------------------
100 */
101func plat_reset_handler
102 ret
Kévin Petita877c252015-03-24 14:03:57 +0000103endfunc plat_reset_handler
Soby Mathew8e2f2872014-08-14 12:49:05 +0100104
105 /* -----------------------------------------------------
106 * Placeholder function which should be redefined by
107 * each platform. This function is allowed to use
108 * registers x0 - x17.
109 * -----------------------------------------------------
110 */
111func plat_disable_acp
112 ret
Kévin Petita877c252015-03-24 14:03:57 +0000113endfunc plat_disable_acp