1 /*
2  * Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <arch.h>
8 #include <plat/common/platform.h>
9 
10 #include <platform_def.h>
11 
12 static const unsigned char plat_power_domain_tree_desc[PLAT_MAX_PWR_LVL + 1] = {
13 	PLATFORM_SYSTEM_COUNT,
14 	PLATFORM_CLUSTER_COUNT,
15 	PLATFORM_MAX_CPUS_PER_CLUSTER,
16 };
17 
plat_core_pos_by_mpidr(u_register_t mpidr)18 int plat_core_pos_by_mpidr(u_register_t mpidr)
19 {
20 	unsigned int core = MPIDR_AFFLVL0_VAL(mpidr);
21 
22 	if (MPIDR_AFFLVL3_VAL(mpidr) > 0 ||
23 	    MPIDR_AFFLVL2_VAL(mpidr) > 0 ||
24 	    MPIDR_AFFLVL1_VAL(mpidr) > 0 ||
25 	    core >= PLATFORM_MAX_CPUS_PER_CLUSTER) {
26 		return -1;
27 	}
28 
29 	return core;
30 }
31 
plat_get_power_domain_tree_desc(void)32 const unsigned char *plat_get_power_domain_tree_desc(void)
33 {
34 	return plat_power_domain_tree_desc;
35 }
36