1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <platform_def.h>
#include <psci.h>
unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr)
{
/* Report 1 (absent) instance at levels higher that the cluster level */
if (aff_lvl > MPIDR_AFFLVL1)
return 1;
if (aff_lvl == MPIDR_AFFLVL1)
return PLATFORM_CLUSTER_COUNT;
return PLATFORM_MAX_CPUS_PER_CLUSTER;
}
unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr)
{
#if (PLATFORM_CLUSTER_COUNT == 1)
return aff_lvl <= MPIDR_AFFLVL0 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
#else
return aff_lvl <= MPIDR_AFFLVL1 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
#endif
}
int plat_get_max_afflvl(void)
{
#if (PLATFORM_CLUSTER_COUNT == 1)
return MPIDR_AFFLVL0;
#else
return MPIDR_AFFLVL1;
#endif
}
int plat_setup_topology()
{
/*
* Once we see multiple cluster SoCs appearing, we can read some
* ID register here and set the number of clusters at runtime.
* For now there is nothing to do.
*/
return 0;
}
|
