xref: /aosp_15_r20/external/arm-trusted-firmware/plat/rockchip/common/plat_topology.c (revision 54fd6939e177f8ff529b10183254802c76df6d08)
1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park  * Copyright (c) 2013-2016, 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 /*******************************************************************************
15*54fd6939SJiyong Park  * This function returns the RockChip default topology tree information.
16*54fd6939SJiyong Park  ******************************************************************************/
plat_get_power_domain_tree_desc(void)17*54fd6939SJiyong Park const unsigned char *plat_get_power_domain_tree_desc(void)
18*54fd6939SJiyong Park {
19*54fd6939SJiyong Park 	return rockchip_power_domain_tree_desc;
20*54fd6939SJiyong Park }
21*54fd6939SJiyong Park 
plat_core_pos_by_mpidr(u_register_t mpidr)22*54fd6939SJiyong Park int plat_core_pos_by_mpidr(u_register_t mpidr)
23*54fd6939SJiyong Park {
24*54fd6939SJiyong Park 	unsigned int cluster_id, cpu_id;
25*54fd6939SJiyong Park 
26*54fd6939SJiyong Park 	cpu_id = mpidr & MPIDR_AFFLVL_MASK;
27*54fd6939SJiyong Park #ifdef PLAT_RK_MPIDR_CLUSTER_MASK
28*54fd6939SJiyong Park 	cluster_id = mpidr & PLAT_RK_MPIDR_CLUSTER_MASK;
29*54fd6939SJiyong Park #else
30*54fd6939SJiyong Park 	cluster_id = mpidr & MPIDR_CLUSTER_MASK;
31*54fd6939SJiyong Park #endif
32*54fd6939SJiyong Park 
33*54fd6939SJiyong Park 	cpu_id += (cluster_id >> PLAT_RK_CLST_TO_CPUID_SHIFT);
34*54fd6939SJiyong Park 
35*54fd6939SJiyong Park 	if (cpu_id >= PLATFORM_CORE_COUNT)
36*54fd6939SJiyong Park 		return -1;
37*54fd6939SJiyong Park 
38*54fd6939SJiyong Park 	return cpu_id;
39*54fd6939SJiyong Park }
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