blob: 0d5880d7a2a65a64f50924365d2eb35edb6d16b2 (
plain)
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
|
/*
* Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/debug.h>
#include <lib/psci/psci.h>
static const unsigned char rcar_power_domain_tree_desc[] = {
1,
PLATFORM_CLUSTER_COUNT,
PLATFORM_CLUSTER0_CORE_COUNT,
PLATFORM_CLUSTER1_CORE_COUNT
};
const unsigned char *plat_get_power_domain_tree_desc(void)
{
return rcar_power_domain_tree_desc;
}
int plat_core_pos_by_mpidr(u_register_t mpidr)
{
unsigned int cluster_id, cpu_id;
mpidr &= MPIDR_AFFINITY_MASK;
if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK))
return -1;
cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
if (cluster_id >= PLATFORM_CLUSTER_COUNT)
return -1;
if (cluster_id == 0 && cpu_id >= PLATFORM_CLUSTER0_CORE_COUNT)
return -1;
if (cluster_id == 1 && cpu_id >= PLATFORM_CLUSTER1_CORE_COUNT)
return -1;
return (cpu_id + cluster_id * PLATFORM_CLUSTER0_CORE_COUNT);
}
|
