blob: 0cf27caffbd54bd67ac08c801c1da9fb8c0f5f95 [file] [log] [blame]
Dan Handleyb226a4d2014-05-16 14:08:45 +01001/*
Antonio Nino Diaz4ef91f12017-02-20 14:22:22 +00002 * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
Dan Handleyb226a4d2014-05-16 14:08:45 +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 */
Soby Mathew70716d62015-07-13 16:26:11 +010030#include <assert.h>
Soby Mathew1ff495b2015-12-09 11:28:43 +000031#include <console.h>
Soby Mathew70716d62015-07-13 16:26:11 +010032#include <platform.h>
Antonio Nino Diaz4ef91f12017-02-20 14:22:22 +000033#include <xlat_mmu_helpers.h>
Dan Handleyb226a4d2014-05-16 14:08:45 +010034
35/*
Soby Mathew1ff495b2015-12-09 11:28:43 +000036 * The following platform setup functions are weakly defined. They
Dan Handleyb226a4d2014-05-16 14:08:45 +010037 * provide typical implementations that may be re-used by multiple
38 * platforms but may also be overridden by a platform if required.
39 */
40#pragma weak bl31_plat_enable_mmu
41#pragma weak bl32_plat_enable_mmu
Soby Mathew1ff495b2015-12-09 11:28:43 +000042#pragma weak bl31_plat_runtime_setup
Antonio Nino Diaz391a76e2016-05-18 16:53:31 +010043#if !ERROR_DEPRECATED
44#pragma weak plat_get_syscnt_freq2
45#endif /* ERROR_DEPRECATED */
Dan Handleyb226a4d2014-05-16 14:08:45 +010046
Achin Guptae9982542014-06-26 08:59:07 +010047void bl31_plat_enable_mmu(uint32_t flags)
Dan Handleyb226a4d2014-05-16 14:08:45 +010048{
Achin Guptae9982542014-06-26 08:59:07 +010049 enable_mmu_el3(flags);
Dan Handleyb226a4d2014-05-16 14:08:45 +010050}
51
Achin Guptae9982542014-06-26 08:59:07 +010052void bl32_plat_enable_mmu(uint32_t flags)
Dan Handleyb226a4d2014-05-16 14:08:45 +010053{
Achin Guptae9982542014-06-26 08:59:07 +010054 enable_mmu_el1(flags);
Dan Handleyb226a4d2014-05-16 14:08:45 +010055}
Soby Mathew70716d62015-07-13 16:26:11 +010056
Soby Mathew1ff495b2015-12-09 11:28:43 +000057void bl31_plat_runtime_setup(void)
58{
59 /*
60 * Finish the use of console driver in BL31 so that any runtime logs
61 * from BL31 will be suppressed.
62 */
63 console_uninit();
64}
65
Soby Mathew70716d62015-07-13 16:26:11 +010066#if !ENABLE_PLAT_COMPAT
67/*
68 * Helper function for platform_get_pos() when platform compatibility is
69 * disabled. This is to enable SPDs using the older platform API to continue
70 * to work.
71 */
72unsigned int platform_core_pos_helper(unsigned long mpidr)
73{
74 int idx = plat_core_pos_by_mpidr(mpidr);
75 assert(idx >= 0);
76 return idx;
77}
78#endif
79
Antonio Nino Diaz391a76e2016-05-18 16:53:31 +010080
81#if !ERROR_DEPRECATED
82unsigned int plat_get_syscnt_freq2(void)
83{
84 unsigned long long freq = plat_get_syscnt_freq();
85
86 assert(freq >> 32 == 0);
87
88 return (unsigned int)freq;
89}
90#endif /* ERROR_DEPRECATED */