xref: /aosp_15_r20/external/arm-trusted-firmware/plat/hisilicon/poplar/plat_topology.c (revision 54fd6939e177f8ff529b10183254802c76df6d08) 
1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park  * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
3*54fd6939SJiyong Park  *
4*54fd6939SJiyong Park  * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park  */
6*54fd6939SJiyong Park 
7*54fd6939SJiyong Park #include <platform_def.h>
8*54fd6939SJiyong Park 
9*54fd6939SJiyong Park #include <arch.h>
10*54fd6939SJiyong Park #include <lib/psci/psci.h>
11*54fd6939SJiyong Park 
12*54fd6939SJiyong Park #include "plat_private.h"
13*54fd6939SJiyong Park 
14*54fd6939SJiyong Park const unsigned char hisi_power_domain_tree_desc[] = {
15*54fd6939SJiyong Park 	PLATFORM_CLUSTER_COUNT,
16*54fd6939SJiyong Park 	PLATFORM_CORE_COUNT,
17*54fd6939SJiyong Park };
18*54fd6939SJiyong Park 
plat_get_power_domain_tree_desc(void)19*54fd6939SJiyong Park const unsigned char *plat_get_power_domain_tree_desc(void)
20*54fd6939SJiyong Park {
21*54fd6939SJiyong Park 	return hisi_power_domain_tree_desc;
22*54fd6939SJiyong Park }
23*54fd6939SJiyong Park 
plat_core_pos_by_mpidr(u_register_t mpidr)24*54fd6939SJiyong Park int plat_core_pos_by_mpidr(u_register_t mpidr)
25*54fd6939SJiyong Park {
26*54fd6939SJiyong Park 	if (mpidr & MPIDR_CLUSTER_MASK)
27*54fd6939SJiyong Park 		return -1;
28*54fd6939SJiyong Park 
29*54fd6939SJiyong Park 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT)
30*54fd6939SJiyong Park 		return -1;
31*54fd6939SJiyong Park 
32*54fd6939SJiyong Park 	return poplar_calc_core_pos(mpidr);
33*54fd6939SJiyong Park }
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